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dc32-retro-tech-addon
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initial commit of "complete" codebase 

everything is completely untested. I'm sure most of this shit doesn't work and will be fixed when and if I get hardware.
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true 2024-07-28 15:28:03 -07:00
commit a675f6d19b
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/code/ch32v003_bootloader/obj
/code/firmware/obj
/code/ch32v003_bootloader/CH32V003_BL.launch

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37
code/ch32v003_bootloader/.project Normal file
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@ -0,0 +1,37 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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14
code/ch32v003_bootloader/.settings/language.settings.xml Normal file
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@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
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<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1665227271106920866" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
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73
code/ch32v003_bootloader/.settings/org.eclipse.cdt.codan.core.prefs Normal file
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@ -0,0 +1,73 @@
eclipse.preferences.version=1
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org.eclipse.cdt.codan.checkers.nolinecomment=-Error
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org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation=Error
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org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem=Error
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org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem=Error
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org.eclipse.cdt.codan.internal.checkers.InvalidArguments=Error
org.eclipse.cdt.codan.internal.checkers.InvalidArguments.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid arguments\\")"}
org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem=Error
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org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem=Error
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org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem=Error
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org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem=Error
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org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker=-Info
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org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.OverloadProblem=Error
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org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem=Error
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org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem=Error
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org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem=-Warning
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org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Format String Vulnerability\\")"}
org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem=Error
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org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem=Warning
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org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem=Warning
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11
code/ch32v003_bootloader/.settings/org.eclipse.cdt.managedbuilder.core.prefs Normal file
View File

@ -0,0 +1,11 @@
eclipse.preferences.version=1
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environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/C_INCLUDE_PATH/operation=remove
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environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/appendContributed=true
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environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/LIBRARY_PATH/operation=remove
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environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/appendContributed=true

17
code/ch32v003_bootloader/.settings/org.eclipse.core.resources.prefs Normal file
View File

@ -0,0 +1,17 @@
eclipse.preferences.version=1
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encoding//periph/inc/ch32v00x_usart.h=GBK
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encoding//periph/src/ch32v00x_gpio.c=GBK
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encoding//user/iap.c=GBK
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encoding//user/main.c=GBK
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17
code/ch32v003_bootloader/.template Normal file
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Mcu Type=CH32V00x
Address=0x08000000
Target Path=obj/CH32V003F4P6.hex
Erase All=true
Program=true
Verify=true
Reset=true
Vendor=WCH
Link=WCH-Link
Toolchain=RISC-V
Series=CH32V003
RTOS=NoneOS
Description=Website: https://www.wch.cn/products/CH32V003.html?\nThe CH32V003 series is an industral-grade general-purpose microcontroller designed based on the highland barley RISCV-V2A core, and supports 48MHz system frequency in terms of product functions. This series has the characteristics of wide voltage, single-wire debugging, low power consumption, ultra-small package and so on. Provide common peripheral functions, built-in 1 set of DMA controller, 1 set of 10-bit analog-to-digital conversion ADC, 1 set of op amp comparator, multiple sets of timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated working voltage of the product is 3.3V or 5V, and the working temperature range is -40'C~85'C industrial grade.
PeripheralVersion=1.6
MCU=CH32V003F4P6

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code/ch32v003_bootloader/CH32V003_BL.wvproj Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : RISC-V Core Peripheral Access Layer Source File
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <stdint.h>
/* define compiler specific symbols */
#if defined(__CC_ARM)
#define __ASM __asm /*!< asm keyword for ARM Compiler */
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
#elif defined(__ICCARM__)
#define __ASM __asm /*!< asm keyword for IAR Compiler */
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
#elif defined(__GNUC__)
#define __ASM __asm /*!< asm keyword for GNU Compiler */
#define __INLINE inline /*!< inline keyword for GNU Compiler */
#elif defined(__TASKING__)
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
/*********************************************************************
* @fn __get_MSTATUS
*
* @brief Return the Machine Status Register
*
* @return mstatus value
*/
uint32_t __get_MSTATUS(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mstatus": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MSTATUS
*
* @brief Set the Machine Status Register
*
* @param value - set mstatus value
*
* @return none
*/
void __set_MSTATUS(uint32_t value)
{
__ASM volatile("csrw mstatus, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MISA
*
* @brief Return the Machine ISA Register
*
* @return misa value
*/
uint32_t __get_MISA(void)
{
uint32_t result;
__ASM volatile("csrr %0,""misa" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MISA
*
* @brief Set the Machine ISA Register
*
* @param value - set misa value
*
* @return none
*/
void __set_MISA(uint32_t value)
{
__ASM volatile("csrw misa, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MTVEC
*
* @brief Return the Machine Trap-Vector Base-Address Register
*
* @return mtvec value
*/
uint32_t __get_MTVEC(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mtvec": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MTVEC
*
* @brief Set the Machine Trap-Vector Base-Address Register
*
* @param value - set mtvec value
*
* @return none
*/
void __set_MTVEC(uint32_t value)
{
__ASM volatile("csrw mtvec, %0":: "r"(value));
}
/*********************************************************************
* @fn __get_MSCRATCH
*
* @brief Return the Machine Seratch Register
*
* @return mscratch value
*/
uint32_t __get_MSCRATCH(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mscratch" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MSCRATCH
*
* @brief Set the Machine Seratch Register
*
* @param value - set mscratch value
*
* @return none
*/
void __set_MSCRATCH(uint32_t value)
{
__ASM volatile("csrw mscratch, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MEPC
*
* @brief Return the Machine Exception Program Register
*
* @return mepc value
*/
uint32_t __get_MEPC(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mepc" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Exception Program Register
*
* @return mepc value
*/
void __set_MEPC(uint32_t value)
{
__ASM volatile("csrw mepc, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MCAUSE
*
* @brief Return the Machine Cause Register
*
* @return mcause value
*/
uint32_t __get_MCAUSE(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mcause": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Cause Register
*
* @return mcause value
*/
void __set_MCAUSE(uint32_t value)
{
__ASM volatile("csrw mcause, %0":: "r"(value));
}
/*********************************************************************
* @fn __get_MVENDORID
*
* @brief Return Vendor ID Register
*
* @return mvendorid value
*/
uint32_t __get_MVENDORID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mvendorid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MARCHID
*
* @brief Return Machine Architecture ID Register
*
* @return marchid value
*/
uint32_t __get_MARCHID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""marchid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MIMPID
*
* @brief Return Machine Implementation ID Register
*
* @return mimpid value
*/
uint32_t __get_MIMPID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mimpid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MHARTID
*
* @brief Return Hart ID Register
*
* @return mhartid value
*/
uint32_t __get_MHARTID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mhartid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_SP
*
* @brief Return SP Register
*
* @return SP value
*/
uint32_t __get_SP(void)
{
uint32_t result;
__ASM volatile("mv %0,""sp": "=r"(result):);
return (result);
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : RISC-V Core Peripheral Access Layer Header File
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CORE_RISCV_H__
#define __CORE_RISCV_H__
#ifdef __cplusplus
extern "C" {
#endif
/* IO definitions */
#ifdef __cplusplus
#define __I volatile /* defines 'read only' permissions */
#else
#define __I volatile const /* defines 'read only' permissions */
#endif
#define __O volatile /* defines 'write only' permissions */
#define __IO volatile /* defines 'read / write' permissions */
/* Standard Peripheral Library old types (maintained for legacy purpose) */
typedef __I uint32_t vuc32; /* Read Only */
typedef __I uint16_t vuc16; /* Read Only */
typedef __I uint8_t vuc8; /* Read Only */
typedef const uint32_t uc32; /* Read Only */
typedef const uint16_t uc16; /* Read Only */
typedef const uint8_t uc8; /* Read Only */
typedef __I int32_t vsc32; /* Read Only */
typedef __I int16_t vsc16; /* Read Only */
typedef __I int8_t vsc8; /* Read Only */
typedef const int32_t sc32; /* Read Only */
typedef const int16_t sc16; /* Read Only */
typedef const int8_t sc8; /* Read Only */
typedef __IO uint32_t vu32;
typedef __IO uint16_t vu16;
typedef __IO uint8_t vu8;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef __IO int32_t vs32;
typedef __IO int16_t vs16;
typedef __IO int8_t vs8;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;
typedef enum {NoREADY = 0, READY = !NoREADY} ErrorStatus;
typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;
#define RV_STATIC_INLINE static inline
/* memory mapped structure for Program Fast Interrupt Controller (PFIC) */
typedef struct{
__I uint32_t ISR[8];
__I uint32_t IPR[8];
__IO uint32_t ITHRESDR;
__IO uint32_t RESERVED;
__IO uint32_t CFGR;
__I uint32_t GISR;
__IO uint8_t VTFIDR[4];
uint8_t RESERVED0[12];
__IO uint32_t VTFADDR[4];
uint8_t RESERVED1[0x90];
__O uint32_t IENR[8];
uint8_t RESERVED2[0x60];
__O uint32_t IRER[8];
uint8_t RESERVED3[0x60];
__O uint32_t IPSR[8];
uint8_t RESERVED4[0x60];
__O uint32_t IPRR[8];
uint8_t RESERVED5[0x60];
__IO uint32_t IACTR[8];
uint8_t RESERVED6[0xE0];
__IO uint8_t IPRIOR[256];
uint8_t RESERVED7[0x810];
__IO uint32_t SCTLR;
}PFIC_Type;
/* memory mapped structure for SysTick */
typedef struct
{
__IO uint32_t CTLR;
__IO uint32_t SR;
__IO uint32_t CNT;
uint32_t RESERVED0;
__IO uint32_t CMP;
uint32_t RESERVED1;
}SysTick_Type;
#define PFIC ((PFIC_Type *) 0xE000E000 )
#define NVIC PFIC
#define NVIC_KEY1 ((uint32_t)0xFA050000)
#define NVIC_KEY2 ((uint32_t)0xBCAF0000)
#define NVIC_KEY3 ((uint32_t)0xBEEF0000)
#define SysTick ((SysTick_Type *) 0xE000F000)
/*********************************************************************
* @fn __enable_irq
*
* @brief Enable Global Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __enable_irq()
{
uint32_t result;
__asm volatile("csrr %0," "mstatus": "=r"(result));
result |= 0x88;
__asm volatile ("csrw mstatus, %0" : : "r" (result) );
}
/*********************************************************************
* @fn __disable_irq
*
* @brief Disable Global Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __disable_irq()
{
uint32_t result;
__asm volatile("csrr %0," "mstatus": "=r"(result));
result &= ~0x88;
__asm volatile ("csrw mstatus, %0" : : "r" (result) );
}
/*********************************************************************
* @fn __NOP
*
* @brief nop
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __NOP()
{
__asm volatile ("nop");
}
/*********************************************************************
* @fn NVIC_EnableIRQ
*
* @brief Enable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
{
NVIC->IENR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_DisableIRQ
*
* @brief Disable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
{
NVIC->IRER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetStatusIRQ
*
* @brief Get Interrupt Enable State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetStatusIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->ISR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_GetPendingIRQ
*
* @brief Get Interrupt Pending State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->IPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPendingIRQ
*
* @brief Set Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPSR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_ClearPendingIRQ
*
* @brief Clear Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPRR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetActive
*
* @brief Get Interrupt Active State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Active
* 0 - Interrupt No Active
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
{
return((uint32_t)((NVIC->IACTR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPriority
*
* @brief Set Interrupt Priority
*
* @param IRQn - Interrupt Numbers
* priority: bit[7] - pre-emption priority
* bit[6] - subpriority
* bit[5:0] - reserved
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint8_t priority)
{
NVIC->IPRIOR[(uint32_t)(IRQn)] = priority;
}
/*********************************************************************
* @fn __WFI
*
* @brief Wait for Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFI(void)
{
NVIC->SCTLR &= ~(1<<3); // wfi
asm volatile ("wfi");
}
/*********************************************************************
* @fn _SEV
*
* @brief Set Event
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void _SEV(void)
{
uint32_t t;
t = NVIC->SCTLR;
NVIC->SCTLR |= (1<<3)|(1<<5);
NVIC->SCTLR = (NVIC->SCTLR & ~(1<<5)) | ( t & (1<<5));
}
/*********************************************************************
* @fn _WFE
*
* @brief Wait for Events
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void _WFE(void)
{
NVIC->SCTLR |= (1<<3);
asm volatile ("wfi");
}
/*********************************************************************
* @fn __WFE
*
* @brief Wait for Events
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFE(void)
{
_SEV();
_WFE();
_WFE();
}
/*********************************************************************
* @fn SetVTFIRQ
*
* @brief Set VTF Interrupt
*
* @param addr - VTF interrupt service function base address.
* IRQn - Interrupt Numbers
* num - VTF Interrupt Numbers
* NewState - DISABLE or ENABLE
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void SetVTFIRQ(uint32_t addr, IRQn_Type IRQn, uint8_t num, FunctionalState NewState){
if(num > 1) return ;
if (NewState != DISABLE)
{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)|0x1);
}
else{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)&(~0x1));
}
}
/*********************************************************************
* @fn NVIC_SystemReset
*
* @brief Initiate a system reset request
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SystemReset(void)
{
NVIC->CFGR = NVIC_KEY3|(1<<7);
}
/* Core_Exported_Functions */
extern uint32_t __get_MSTATUS(void);
extern void __set_MSTATUS(uint32_t value);
extern uint32_t __get_MISA(void);
extern void __set_MISA(uint32_t value);
extern uint32_t __get_MTVEC(void);
extern void __set_MTVEC(uint32_t value);
extern uint32_t __get_MSCRATCH(void);
extern void __set_MSCRATCH(uint32_t value);
extern uint32_t __get_MEPC(void);
extern void __set_MEPC(uint32_t value);
extern uint32_t __get_MCAUSE(void);
extern void __set_MCAUSE(uint32_t value);
extern uint32_t __get_MVENDORID(void);
extern uint32_t __get_MARCHID(void);
extern uint32_t __get_MIMPID(void);
extern uint32_t __get_MHARTID(void);
extern uint32_t __get_SP(void);
#ifdef __cplusplus
}
#endif
#endif/* __CORE_RISCV_H__ */

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/********************************** (C) COPYRIGHT *******************************
* File Name : debug.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for UART
* Printf , Delay functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <debug.h>
static uint8_t p_us = 0;
static uint16_t p_ms = 0;
#define DEBUG_DATA0_ADDRESS ((volatile uint32_t*)0xE00000F4)
#define DEBUG_DATA1_ADDRESS ((volatile uint32_t*)0xE00000F8)
/*********************************************************************
* @fn Delay_Init
*
* @brief Initializes Delay Funcation.
*
* @return none
*/
void Delay_Init(void)
{
p_us = SystemCoreClock / 8000000;
p_ms = (uint16_t)p_us * 1000;
}
/*********************************************************************
* @fn Delay_Us
*
* @brief Microsecond Delay Time.
*
* @param n - Microsecond number.
*
* @return None
*/
void Delay_Us(uint32_t n)
{
uint32_t i;
SysTick->SR &= ~(1 << 0);
i = (uint32_t)n * p_us;
SysTick->CMP = i;
SysTick->CNT = 0;
SysTick->CTLR |=(1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
/*********************************************************************
* @fn Delay_Ms
*
* @brief Millisecond Delay Time.
*
* @param n - Millisecond number.
*
* @return None
*/
void Delay_Ms(uint32_t n)
{
uint32_t i;
SysTick->SR &= ~(1 << 0);
i = (uint32_t)n * p_ms;
SysTick->CMP = i;
SysTick->CNT = 0;
SysTick->CTLR |=(1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
/*********************************************************************
* @fn USART_Printf_Init
*
* @brief Initializes the USARTx peripheral.
*
* @param baudrate - USART communication baud rate.
*
* @return None
*/
void USART_Printf_Init(uint32_t baudrate)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
#if (DEBUG == DEBUG_UART1_NoRemap)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap1)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_PartialRemap1_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap2)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_PartialRemap2_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap3)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_FullRemap_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
#endif
USART_InitStructure.USART_BaudRate = baudrate;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}
/*********************************************************************
* @fn SDI_Printf_Enable
*
* @brief Initializes the SDI printf Function.
*
* @param None
*
* @return None
*/
void SDI_Printf_Enable(void)
{
*(DEBUG_DATA0_ADDRESS) = 0;
Delay_Init();
Delay_Ms(1);
}
/*********************************************************************
* @fn _write
*
* @brief Support Printf Function
*
* @param *buf - UART send Data.
* size - Data length.
*
* @return size - Data length
*/
__attribute__((used))
int _write(int fd, char *buf, int size)
{
int i = 0;
int writeSize = size;
#if (SDI_PRINT == SDI_PR_OPEN)
do
{
/**
* data0 data1 8 bytes
* data0 The lowest byte storage length, the maximum is 7
*
*/
while( (*(DEBUG_DATA0_ADDRESS) != 0u))
{
}
if(writeSize>7)
{
*(DEBUG_DATA1_ADDRESS) = (*(buf+i+3)) | (*(buf+i+4)<<8) | (*(buf+i+5)<<16) | (*(buf+i+6)<<24);
*(DEBUG_DATA0_ADDRESS) = (7u) | (*(buf+i)<<8) | (*(buf+i+1)<<16) | (*(buf+i+2)<<24);
i += 7;
writeSize -= 7;
}
else
{
*(DEBUG_DATA1_ADDRESS) = (*(buf+i+3)) | (*(buf+i+4)<<8) | (*(buf+i+5)<<16) | (*(buf+i+6)<<24);
*(DEBUG_DATA0_ADDRESS) = (writeSize) | (*(buf+i)<<8) | (*(buf+i+1)<<16) | (*(buf+i+2)<<24);
writeSize = 0;
}
} while (writeSize);
#else
for(i = 0; i < size; i++){
while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
USART_SendData(USART1, *buf++);
}
#endif
return writeSize;
}
/*********************************************************************
* @fn _sbrk
*
* @brief Change the spatial position of data segment.
*
* @return size: Data length
*/
__attribute__((used))
void *_sbrk(ptrdiff_t incr)
{
extern char _end[];
extern char _heap_end[];
static char *curbrk = _end;
if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
return NULL - 1;
curbrk += incr;
return curbrk - incr;
}

52
code/ch32v003_bootloader/debug/debug.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : debug.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for UART
* Printf , Delay functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __DEBUG_H
#define __DEBUG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
#include <stdio.h>
/* UART Printf Definition */
#define DEBUG_UART1_NoRemap 1 //Tx-PD5
#define DEBUG_UART1_Remap1 2 //Tx-PD0
#define DEBUG_UART1_Remap2 3 //Tx-PD6
#define DEBUG_UART1_Remap3 4 //Tx-PC0
/* DEBUG UATR Definition */
#ifndef DEBUG
#define DEBUG DEBUG_UART1_NoRemap
#endif
/* SDI Printf Definition */
#define SDI_PR_CLOSE 0
#define SDI_PR_OPEN 1
#ifndef SDI_PRINT
#define SDI_PRINT SDI_PR_CLOSE
#endif
void Delay_Init(void);
void Delay_Us(uint32_t n);
void Delay_Ms(uint32_t n);
void USART_Printf_Init(uint32_t baudrate);
void SDI_Printf_Enable(void);
#ifdef __cplusplus
}
#endif
#endif /* __DEBUG_H */

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code/ch32v003_bootloader/ld/ch32v003.ld Normal file
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@ -0,0 +1,159 @@
ENTRY( _start )
__stack_size = 256;
PROVIDE( _stack_size = __stack_size );
MEMORY
{
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 2K
}
SECTIONS
{
.init :
{
_sinit = .;
. = ALIGN(4);
KEEP(*(SORT_NONE(.init)))
. = ALIGN(4);
_einit = .;
} >FLASH AT>FLASH
.text :
{
. = ALIGN(4);
*(.text)
*(.text.*)
*(.rodata)
*(.rodata*)
*(.gnu.linkonce.t.*)
. = ALIGN(4);
} >FLASH AT>FLASH
.fini :
{
KEEP(*(SORT_NONE(.fini)))
. = ALIGN(4);
} >FLASH AT>FLASH
PROVIDE( _etext = . );
PROVIDE( _eitcm = . );
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH AT>FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH AT>FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH AT>FLASH
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} >FLASH AT>FLASH
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} >FLASH AT>FLASH
.dalign :
{
. = ALIGN(4);
PROVIDE(_data_vma = .);
} >RAM AT>FLASH
.dlalign :
{
. = ALIGN(4);
PROVIDE(_data_lma = .);
} >FLASH AT>FLASH
.data :
{
. = ALIGN(4);
*(.gnu.linkonce.r.*)
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN(8);
PROVIDE( __global_pointer$ = . + 0x800 );
*(.sdata .sdata.*)
*(.sdata2*)
*(.gnu.linkonce.s.*)
. = ALIGN(8);
*(.srodata.cst16)
*(.srodata.cst8)
*(.srodata.cst4)
*(.srodata.cst2)
*(.srodata .srodata.*)
. = ALIGN(4);
PROVIDE( _edata = .);
} >RAM AT>FLASH
.bss :
{
. = ALIGN(4);
PROVIDE( _sbss = .);
*(.sbss*)
*(.gnu.linkonce.sb.*)
*(.bss*)
*(.gnu.linkonce.b.*)
*(COMMON*)
. = ALIGN(4);
PROVIDE( _ebss = .);
} >RAM AT>FLASH
PROVIDE( _end = _ebss);
PROVIDE( end = . );
.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
{
PROVIDE( _heap_end = . );
. = ALIGN(4);
PROVIDE(_susrstack = . );
. = . + __stack_size;
PROVIDE( _eusrstack = .);
} >RAM
}

159
code/ch32v003_bootloader/ld/ch32v003_bl.ld Normal file
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@ -0,0 +1,159 @@
ENTRY( _start )
__stack_size = 256;
PROVIDE( _stack_size = __stack_size );
MEMORY
{
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 1920
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 2K
}
SECTIONS
{
.init :
{
_sinit = .;
. = ALIGN(4);
KEEP(*(SORT_NONE(.init)))
. = ALIGN(4);
_einit = .;
} >FLASH AT>FLASH
.text :
{
. = ALIGN(4);
*(.text)
*(.text.*)
*(.rodata)
*(.rodata*)
*(.gnu.linkonce.t.*)
. = ALIGN(4);
} >FLASH AT>FLASH
.fini :
{
KEEP(*(SORT_NONE(.fini)))
. = ALIGN(4);
} >FLASH AT>FLASH
PROVIDE( _etext = . );
PROVIDE( _eitcm = . );
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH AT>FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH AT>FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH AT>FLASH
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} >FLASH AT>FLASH
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} >FLASH AT>FLASH
.dalign :
{
. = ALIGN(4);
PROVIDE(_data_vma = .);
} >RAM AT>FLASH
.dlalign :
{
. = ALIGN(4);
PROVIDE(_data_lma = .);
} >FLASH AT>FLASH
.data :
{
. = ALIGN(4);
*(.gnu.linkonce.r.*)
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN(8);
PROVIDE( __global_pointer$ = . + 0x800 );
*(.sdata .sdata.*)
*(.sdata2*)
*(.gnu.linkonce.s.*)
. = ALIGN(8);
*(.srodata.cst16)
*(.srodata.cst8)
*(.srodata.cst4)
*(.srodata.cst2)
*(.srodata .srodata.*)
. = ALIGN(4);
PROVIDE( _edata = .);
} >RAM AT>FLASH
.bss :
{
. = ALIGN(4);
PROVIDE( _sbss = .);
*(.sbss*)
*(.gnu.linkonce.sb.*)
*(.bss*)
*(.gnu.linkonce.b.*)
*(COMMON*)
. = ALIGN(4);
PROVIDE( _ebss = .);
} >RAM AT>FLASH
PROVIDE( _end = _ebss);
PROVIDE( end = . );
.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
{
PROVIDE( _heap_end = . );
. = ALIGN(4);
PROVIDE(_susrstack = . );
. = . + __stack_size;
PROVIDE( _eusrstack = .);
} >RAM
}

2407
code/ch32v003_bootloader/periph/inc/ch32v00x.h Normal file
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File diff suppressed because it is too large Load Diff

176
code/ch32v003_bootloader/periph/inc/ch32v00x_adc.h Normal file
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@ -0,0 +1,176 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_adc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* ADC firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_ADC_H
#define __CH32V00x_ADC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* ADC Init structure definition */
typedef struct
{
uint32_t ADC_Mode; /* Configures the ADC to operate in independent or
dual mode.
This parameter can be a value of @ref ADC_mode */
FunctionalState ADC_ScanConvMode; /* Specifies whether the conversion is performed in
Scan (multichannels) or Single (one channel) mode.
This parameter can be set to ENABLE or DISABLE */
FunctionalState ADC_ContinuousConvMode; /* Specifies whether the conversion is performed in
Continuous or Single mode.
This parameter can be set to ENABLE or DISABLE. */
uint32_t ADC_ExternalTrigConv; /* Defines the external trigger used to start the analog
to digital conversion of regular channels. This parameter
can be a value of @ref ADC_external_trigger_sources_for_regular_channels_conversion */
uint32_t ADC_DataAlign; /* Specifies whether the ADC data alignment is left or right.
This parameter can be a value of @ref ADC_data_align */
uint8_t ADC_NbrOfChannel; /* Specifies the number of ADC channels that will be converted
using the sequencer for regular channel group.
This parameter must range from 1 to 16. */
} ADC_InitTypeDef;
/* ADC_mode */
#define ADC_Mode_Independent ((uint32_t)0x00000000)
/* ADC_external_trigger_sources_for_regular_channels_conversion */
#define ADC_ExternalTrigConv_T1_TRGO ((uint32_t)0x00000000)
#define ADC_ExternalTrigConv_T1_CC1 ((uint32_t)0x00020000)
#define ADC_ExternalTrigConv_T1_CC2 ((uint32_t)0x00040000)
#define ADC_ExternalTrigConv_T2_TRGO ((uint32_t)0x00060000)
#define ADC_ExternalTrigConv_T2_CC1 ((uint32_t)0x00080000)
#define ADC_ExternalTrigConv_T2_CC2 ((uint32_t)0x000A0000)
#define ADC_ExternalTrigConv_Ext_PD3_PC2 ((uint32_t)0x000C0000)
#define ADC_ExternalTrigConv_None ((uint32_t)0x000E0000)
/* ADC_data_align */
#define ADC_DataAlign_Right ((uint32_t)0x00000000)
#define ADC_DataAlign_Left ((uint32_t)0x00000800)
/* ADC_channels */
#define ADC_Channel_0 ((uint8_t)0x00)
#define ADC_Channel_1 ((uint8_t)0x01)
#define ADC_Channel_2 ((uint8_t)0x02)
#define ADC_Channel_3 ((uint8_t)0x03)
#define ADC_Channel_4 ((uint8_t)0x04)
#define ADC_Channel_5 ((uint8_t)0x05)
#define ADC_Channel_6 ((uint8_t)0x06)
#define ADC_Channel_7 ((uint8_t)0x07)
#define ADC_Channel_8 ((uint8_t)0x08)
#define ADC_Channel_9 ((uint8_t)0x09)
#define ADC_Channel_Vrefint ((uint8_t)ADC_Channel_8)
#define ADC_Channel_Vcalint ((uint8_t)ADC_Channel_9)
/* ADC_sampling_time */
#define ADC_SampleTime_3Cycles ((uint8_t)0x00)
#define ADC_SampleTime_9Cycles ((uint8_t)0x01)
#define ADC_SampleTime_15Cycles ((uint8_t)0x02)
#define ADC_SampleTime_30Cycles ((uint8_t)0x03)
#define ADC_SampleTime_43Cycles ((uint8_t)0x04)
#define ADC_SampleTime_57Cycles ((uint8_t)0x05)
#define ADC_SampleTime_73Cycles ((uint8_t)0x06)
#define ADC_SampleTime_241Cycles ((uint8_t)0x07)
/* ADC_external_trigger_sources_for_injected_channels_conversion */
#define ADC_ExternalTrigInjecConv_T1_CC3 ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjecConv_T1_CC4 ((uint32_t)0x00001000)
#define ADC_ExternalTrigInjecConv_T2_CC3 ((uint32_t)0x00002000)
#define ADC_ExternalTrigInjecConv_T2_CC4 ((uint32_t)0x00003000)
#define ADC_ExternalTrigInjecConv_Ext_PD1_PA2 ((uint32_t)0x00006000)
#define ADC_ExternalTrigInjecConv_None ((uint32_t)0x00007000)
/* ADC_injected_channel_selection */
#define ADC_InjectedChannel_1 ((uint8_t)0x14)
#define ADC_InjectedChannel_2 ((uint8_t)0x18)
#define ADC_InjectedChannel_3 ((uint8_t)0x1C)
#define ADC_InjectedChannel_4 ((uint8_t)0x20)
/* ADC_analog_watchdog_selection */
#define ADC_AnalogWatchdog_SingleRegEnable ((uint32_t)0x00800200)
#define ADC_AnalogWatchdog_SingleInjecEnable ((uint32_t)0x00400200)
#define ADC_AnalogWatchdog_SingleRegOrInjecEnable ((uint32_t)0x00C00200)
#define ADC_AnalogWatchdog_AllRegEnable ((uint32_t)0x00800000)
#define ADC_AnalogWatchdog_AllInjecEnable ((uint32_t)0x00400000)
#define ADC_AnalogWatchdog_AllRegAllInjecEnable ((uint32_t)0x00C00000)
#define ADC_AnalogWatchdog_None ((uint32_t)0x00000000)
/* ADC_interrupts_definition */
#define ADC_IT_EOC ((uint16_t)0x0220)
#define ADC_IT_AWD ((uint16_t)0x0140)
#define ADC_IT_JEOC ((uint16_t)0x0480)
/* ADC_flags_definition */
#define ADC_FLAG_AWD ((uint8_t)0x01)
#define ADC_FLAG_EOC ((uint8_t)0x02)
#define ADC_FLAG_JEOC ((uint8_t)0x04)
#define ADC_FLAG_JSTRT ((uint8_t)0x08)
#define ADC_FLAG_STRT ((uint8_t)0x10)
/* ADC_calibration_voltage_definition */
#define ADC_CALVOL_50PERCENT ((uint32_t)0x02000000)
#define ADC_CALVOL_75PERCENT ((uint32_t)0x04000000)
/* ADC_external_trigger_sources_delay_channels_definition */
#define ADC_ExternalTrigRegul_DLY ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjec_DLY ((uint32_t)0x00020000)
void ADC_DeInit(ADC_TypeDef *ADCx);
void ADC_Init(ADC_TypeDef *ADCx, ADC_InitTypeDef *ADC_InitStruct);
void ADC_StructInit(ADC_InitTypeDef *ADC_InitStruct);
void ADC_Cmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_DMACmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_ITConfig(ADC_TypeDef *ADCx, uint16_t ADC_IT, FunctionalState NewState);
void ADC_ResetCalibration(ADC_TypeDef *ADCx);
FlagStatus ADC_GetResetCalibrationStatus(ADC_TypeDef *ADCx);
void ADC_StartCalibration(ADC_TypeDef *ADCx);
FlagStatus ADC_GetCalibrationStatus(ADC_TypeDef *ADCx);
void ADC_SoftwareStartConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef *ADCx);
void ADC_DiscModeChannelCountConfig(ADC_TypeDef *ADCx, uint8_t Number);
void ADC_DiscModeCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_RegularChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_ExternalTrigConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
uint16_t ADC_GetConversionValue(ADC_TypeDef *ADCx);
void ADC_AutoInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_InjectedDiscModeCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef *ADCx, uint32_t ADC_ExternalTrigInjecConv);
void ADC_ExternalTrigInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_SoftwareStartInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
FlagStatus ADC_GetSoftwareStartInjectedConvCmdStatus(ADC_TypeDef *ADCx);
void ADC_InjectedChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_InjectedSequencerLengthConfig(ADC_TypeDef *ADCx, uint8_t Length);
void ADC_SetInjectedOffset(ADC_TypeDef *ADCx, uint8_t ADC_InjectedChannel, uint16_t Offset);
uint16_t ADC_GetInjectedConversionValue(ADC_TypeDef *ADCx, uint8_t ADC_InjectedChannel);
void ADC_AnalogWatchdogCmd(ADC_TypeDef *ADCx, uint32_t ADC_AnalogWatchdog);
void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef *ADCx, uint16_t HighThreshold, uint16_t LowThreshold);
void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel);
FlagStatus ADC_GetFlagStatus(ADC_TypeDef *ADCx, uint8_t ADC_FLAG);
void ADC_ClearFlag(ADC_TypeDef *ADCx, uint8_t ADC_FLAG);
ITStatus ADC_GetITStatus(ADC_TypeDef *ADCx, uint16_t ADC_IT);
void ADC_ClearITPendingBit(ADC_TypeDef *ADCx, uint16_t ADC_IT);
void ADC_Calibration_Vol(ADC_TypeDef *ADCx, uint32_t ADC_CALVOL);
void ADC_ExternalTrig_DLY(ADC_TypeDef *ADCx, uint32_t channel, uint16_t DelayTim);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_ADC_H */

38
code/ch32v003_bootloader/periph/inc/ch32v00x_dbgmcu.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dbgmcu.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* DBGMCU firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_DBGMCU_H
#define __CH32V00x_DBGMCU_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* CFGR0 Register */
#define DBGMCU_IWDG_STOP ((uint32_t)0x00000001)
#define DBGMCU_WWDG_STOP ((uint32_t)0x00000002)
#define DBGMCU_TIM1_STOP ((uint32_t)0x00000010)
#define DBGMCU_TIM2_STOP ((uint32_t)0x00000020)
uint32_t DBGMCU_GetREVID(void);
uint32_t DBGMCU_GetDEVID(void);
uint32_t __get_DEBUG_CR(void);
void __set_DEBUG_CR(uint32_t value);
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState);
uint32_t DBGMCU_GetCHIPID( void );
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_DBGMCU_H */

177
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dma.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* DMA firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_DMA_H
#define __CH32V00x_DMA_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* DMA Init structure definition */
typedef struct
{
uint32_t DMA_PeripheralBaseAddr; /* Specifies the peripheral base address for DMAy Channelx. */
uint32_t DMA_MemoryBaseAddr; /* Specifies the memory base address for DMAy Channelx. */
uint32_t DMA_DIR; /* Specifies if the peripheral is the source or destination.
This parameter can be a value of @ref DMA_data_transfer_direction */
uint32_t DMA_BufferSize; /* Specifies the buffer size, in data unit, of the specified Channel.
The data unit is equal to the configuration set in DMA_PeripheralDataSize
or DMA_MemoryDataSize members depending in the transfer direction. */
uint32_t DMA_PeripheralInc; /* Specifies whether the Peripheral address register is incremented or not.
This parameter can be a value of @ref DMA_peripheral_incremented_mode */
uint32_t DMA_MemoryInc; /* Specifies whether the memory address register is incremented or not.
This parameter can be a value of @ref DMA_memory_incremented_mode */
uint32_t DMA_PeripheralDataSize; /* Specifies the Peripheral data width.
This parameter can be a value of @ref DMA_peripheral_data_size */
uint32_t DMA_MemoryDataSize; /* Specifies the Memory data width.
This parameter can be a value of @ref DMA_memory_data_size */
uint32_t DMA_Mode; /* Specifies the operation mode of the DMAy Channelx.
This parameter can be a value of @ref DMA_circular_normal_mode.
@note: The circular buffer mode cannot be used if the memory-to-memory
data transfer is configured on the selected Channel */
uint32_t DMA_Priority; /* Specifies the software priority for the DMAy Channelx.
This parameter can be a value of @ref DMA_priority_level */
uint32_t DMA_M2M; /* Specifies if the DMAy Channelx will be used in memory-to-memory transfer.
This parameter can be a value of @ref DMA_memory_to_memory */
} DMA_InitTypeDef;
/* DMA_data_transfer_direction */
#define DMA_DIR_PeripheralDST ((uint32_t)0x00000010)
#define DMA_DIR_PeripheralSRC ((uint32_t)0x00000000)
/* DMA_peripheral_incremented_mode */
#define DMA_PeripheralInc_Enable ((uint32_t)0x00000040)
#define DMA_PeripheralInc_Disable ((uint32_t)0x00000000)
/* DMA_memory_incremented_mode */
#define DMA_MemoryInc_Enable ((uint32_t)0x00000080)
#define DMA_MemoryInc_Disable ((uint32_t)0x00000000)
/* DMA_peripheral_data_size */
#define DMA_PeripheralDataSize_Byte ((uint32_t)0x00000000)
#define DMA_PeripheralDataSize_HalfWord ((uint32_t)0x00000100)
#define DMA_PeripheralDataSize_Word ((uint32_t)0x00000200)
/* DMA_memory_data_size */
#define DMA_MemoryDataSize_Byte ((uint32_t)0x00000000)
#define DMA_MemoryDataSize_HalfWord ((uint32_t)0x00000400)
#define DMA_MemoryDataSize_Word ((uint32_t)0x00000800)
/* DMA_circular_normal_mode */
#define DMA_Mode_Circular ((uint32_t)0x00000020)
#define DMA_Mode_Normal ((uint32_t)0x00000000)
/* DMA_priority_level */
#define DMA_Priority_VeryHigh ((uint32_t)0x00003000)
#define DMA_Priority_High ((uint32_t)0x00002000)
#define DMA_Priority_Medium ((uint32_t)0x00001000)
#define DMA_Priority_Low ((uint32_t)0x00000000)
/* DMA_memory_to_memory */
#define DMA_M2M_Enable ((uint32_t)0x00004000)
#define DMA_M2M_Disable ((uint32_t)0x00000000)
/* DMA_interrupts_definition */
#define DMA_IT_TC ((uint32_t)0x00000002)
#define DMA_IT_HT ((uint32_t)0x00000004)
#define DMA_IT_TE ((uint32_t)0x00000008)
#define DMA1_IT_GL1 ((uint32_t)0x00000001)
#define DMA1_IT_TC1 ((uint32_t)0x00000002)
#define DMA1_IT_HT1 ((uint32_t)0x00000004)
#define DMA1_IT_TE1 ((uint32_t)0x00000008)
#define DMA1_IT_GL2 ((uint32_t)0x00000010)
#define DMA1_IT_TC2 ((uint32_t)0x00000020)
#define DMA1_IT_HT2 ((uint32_t)0x00000040)
#define DMA1_IT_TE2 ((uint32_t)0x00000080)
#define DMA1_IT_GL3 ((uint32_t)0x00000100)
#define DMA1_IT_TC3 ((uint32_t)0x00000200)
#define DMA1_IT_HT3 ((uint32_t)0x00000400)
#define DMA1_IT_TE3 ((uint32_t)0x00000800)
#define DMA1_IT_GL4 ((uint32_t)0x00001000)
#define DMA1_IT_TC4 ((uint32_t)0x00002000)
#define DMA1_IT_HT4 ((uint32_t)0x00004000)
#define DMA1_IT_TE4 ((uint32_t)0x00008000)
#define DMA1_IT_GL5 ((uint32_t)0x00010000)
#define DMA1_IT_TC5 ((uint32_t)0x00020000)
#define DMA1_IT_HT5 ((uint32_t)0x00040000)
#define DMA1_IT_TE5 ((uint32_t)0x00080000)
#define DMA1_IT_GL6 ((uint32_t)0x00100000)
#define DMA1_IT_TC6 ((uint32_t)0x00200000)
#define DMA1_IT_HT6 ((uint32_t)0x00400000)
#define DMA1_IT_TE6 ((uint32_t)0x00800000)
#define DMA1_IT_GL7 ((uint32_t)0x01000000)
#define DMA1_IT_TC7 ((uint32_t)0x02000000)
#define DMA1_IT_HT7 ((uint32_t)0x04000000)
#define DMA1_IT_TE7 ((uint32_t)0x08000000)
/* DMA_flags_definition */
#define DMA1_FLAG_GL1 ((uint32_t)0x00000001)
#define DMA1_FLAG_TC1 ((uint32_t)0x00000002)
#define DMA1_FLAG_HT1 ((uint32_t)0x00000004)
#define DMA1_FLAG_TE1 ((uint32_t)0x00000008)
#define DMA1_FLAG_GL2 ((uint32_t)0x00000010)
#define DMA1_FLAG_TC2 ((uint32_t)0x00000020)
#define DMA1_FLAG_HT2 ((uint32_t)0x00000040)
#define DMA1_FLAG_TE2 ((uint32_t)0x00000080)
#define DMA1_FLAG_GL3 ((uint32_t)0x00000100)
#define DMA1_FLAG_TC3 ((uint32_t)0x00000200)
#define DMA1_FLAG_HT3 ((uint32_t)0x00000400)
#define DMA1_FLAG_TE3 ((uint32_t)0x00000800)
#define DMA1_FLAG_GL4 ((uint32_t)0x00001000)
#define DMA1_FLAG_TC4 ((uint32_t)0x00002000)
#define DMA1_FLAG_HT4 ((uint32_t)0x00004000)
#define DMA1_FLAG_TE4 ((uint32_t)0x00008000)
#define DMA1_FLAG_GL5 ((uint32_t)0x00010000)
#define DMA1_FLAG_TC5 ((uint32_t)0x00020000)
#define DMA1_FLAG_HT5 ((uint32_t)0x00040000)
#define DMA1_FLAG_TE5 ((uint32_t)0x00080000)
#define DMA1_FLAG_GL6 ((uint32_t)0x00100000)
#define DMA1_FLAG_TC6 ((uint32_t)0x00200000)
#define DMA1_FLAG_HT6 ((uint32_t)0x00400000)
#define DMA1_FLAG_TE6 ((uint32_t)0x00800000)
#define DMA1_FLAG_GL7 ((uint32_t)0x01000000)
#define DMA1_FLAG_TC7 ((uint32_t)0x02000000)
#define DMA1_FLAG_HT7 ((uint32_t)0x04000000)
#define DMA1_FLAG_TE7 ((uint32_t)0x08000000)
void DMA_DeInit(DMA_Channel_TypeDef *DMAy_Channelx);
void DMA_Init(DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct);
void DMA_StructInit(DMA_InitTypeDef *DMA_InitStruct);
void DMA_Cmd(DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState);
void DMA_ITConfig(DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState);
void DMA_SetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber);
uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx);
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG);
void DMA_ClearFlag(uint32_t DMAy_FLAG);
ITStatus DMA_GetITStatus(uint32_t DMAy_IT);
void DMA_ClearITPendingBit(uint32_t DMAy_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_DMA_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_exti.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* EXTI firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_EXTI_H
#define __CH32V00x_EXTI_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* EXTI mode enumeration */
typedef enum
{
EXTI_Mode_Interrupt = 0x00,
EXTI_Mode_Event = 0x04
} EXTIMode_TypeDef;
/* EXTI Trigger enumeration */
typedef enum
{
EXTI_Trigger_Rising = 0x08,
EXTI_Trigger_Falling = 0x0C,
EXTI_Trigger_Rising_Falling = 0x10
} EXTITrigger_TypeDef;
/* EXTI Init Structure definition */
typedef struct
{
uint32_t EXTI_Line; /* Specifies the EXTI lines to be enabled or disabled.
This parameter can be any combination of @ref EXTI_Lines */
EXTIMode_TypeDef EXTI_Mode; /* Specifies the mode for the EXTI lines.
This parameter can be a value of @ref EXTIMode_TypeDef */
EXTITrigger_TypeDef EXTI_Trigger; /* Specifies the trigger signal active edge for the EXTI lines.
This parameter can be a value of @ref EXTIMode_TypeDef */
FunctionalState EXTI_LineCmd; /* Specifies the new state of the selected EXTI lines.
This parameter can be set either to ENABLE or DISABLE */
} EXTI_InitTypeDef;
/* EXTI_Lines */
#define EXTI_Line0 ((uint32_t)0x00001) /* External interrupt line 0 */
#define EXTI_Line1 ((uint32_t)0x00002) /* External interrupt line 1 */
#define EXTI_Line2 ((uint32_t)0x00004) /* External interrupt line 2 */
#define EXTI_Line3 ((uint32_t)0x00008) /* External interrupt line 3 */
#define EXTI_Line4 ((uint32_t)0x00010) /* External interrupt line 4 */
#define EXTI_Line5 ((uint32_t)0x00020) /* External interrupt line 5 */
#define EXTI_Line6 ((uint32_t)0x00040) /* External interrupt line 6 */
#define EXTI_Line7 ((uint32_t)0x00080) /* External interrupt line 7 */
#define EXTI_Line8 ((uint32_t)0x00100) /* External interrupt line 8 Connected to the PVD Output */
#define EXTI_Line9 ((uint32_t)0x00200) /* External interrupt line 9 Connected to the PWR Auto Wake-up event*/
void EXTI_DeInit(void);
void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct);
void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct);
void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
void EXTI_ClearFlag(uint32_t EXTI_Line);
ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_EXTI_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_flash.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the FLASH
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_FLASH_H
#define __CH32V00x_FLASH_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* FLASH Status */
typedef enum
{
FLASH_BUSY = 1,
FLASH_ERROR_PG,
FLASH_ERROR_WRP,
FLASH_COMPLETE,
FLASH_TIMEOUT,
FLASH_OP_RANGE_ERROR = 0xFD,
FLASH_ALIGN_ERROR = 0xFE,
FLASH_ADR_RANGE_ERROR = 0xFF,
} FLASH_Status;
/* Flash_Latency */
#define FLASH_Latency_0 ((uint32_t)0x00000000) /* FLASH Zero Latency cycle */
#define FLASH_Latency_1 ((uint32_t)0x00000001) /* FLASH One Latency cycle */
#define FLASH_Latency_2 ((uint32_t)0x00000002) /* FLASH Two Latency cycles */
/* Values to be used with CH32V00x devices (1page = 64Byte) */
#define FLASH_WRProt_Pages0to15 ((uint32_t)0x00000001) /* CH32 Low and Medium density devices: Write protection of page 0 to 15 */
#define FLASH_WRProt_Pages16to31 ((uint32_t)0x00000002) /* CH32 Low and Medium density devices: Write protection of page 16 to 31 */
#define FLASH_WRProt_Pages32to47 ((uint32_t)0x00000004) /* CH32 Low and Medium density devices: Write protection of page 32 to 47 */
#define FLASH_WRProt_Pages48to63 ((uint32_t)0x00000008) /* CH32 Low and Medium density devices: Write protection of page 48 to 63 */
#define FLASH_WRProt_Pages64to79 ((uint32_t)0x00000010) /* CH32 Low and Medium density devices: Write protection of page 64 to 79 */
#define FLASH_WRProt_Pages80to95 ((uint32_t)0x00000020) /* CH32 Low and Medium density devices: Write protection of page 80 to 95 */
#define FLASH_WRProt_Pages96to111 ((uint32_t)0x00000040) /* CH32 Low and Medium density devices: Write protection of page 96 to 111 */
#define FLASH_WRProt_Pages112to127 ((uint32_t)0x00000080) /* CH32 Low and Medium density devices: Write protection of page 112 to 127 */
#define FLASH_WRProt_Pages128to143 ((uint32_t)0x00000100) /* CH32 Medium-density devices: Write protection of page 128 to 143 */
#define FLASH_WRProt_Pages144to159 ((uint32_t)0x00000200) /* CH32 Medium-density devices: Write protection of page 144 to 159 */
#define FLASH_WRProt_Pages160to175 ((uint32_t)0x00000400) /* CH32 Medium-density devices: Write protection of page 160 to 175 */
#define FLASH_WRProt_Pages176to191 ((uint32_t)0x00000800) /* CH32 Medium-density devices: Write protection of page 176 to 191 */
#define FLASH_WRProt_Pages192to207 ((uint32_t)0x00001000) /* CH32 Medium-density devices: Write protection of page 192 to 207 */
#define FLASH_WRProt_Pages208to223 ((uint32_t)0x00002000) /* CH32 Medium-density devices: Write protection of page 208 to 223 */
#define FLASH_WRProt_Pages224to239 ((uint32_t)0x00004000) /* CH32 Medium-density devices: Write protection of page 224 to 239 */
#define FLASH_WRProt_Pages240to255 ((uint32_t)0x00008000) /* CH32 Medium-density devices: Write protection of page 240 to 255 */
#define FLASH_WRProt_AllPages ((uint32_t)0x0000FFFF) /* Write protection of all Pages */
/* Option_Bytes_IWatchdog */
#define OB_IWDG_SW ((uint16_t)0x0001) /* Software IWDG selected */
#define OB_IWDG_HW ((uint16_t)0x0000) /* Hardware IWDG selected */
/* Option_Bytes_nRST_STOP */
#define OB_STOP_NoRST ((uint16_t)0x0002) /* No reset generated when entering in STOP */
#define OB_STOP_RST ((uint16_t)0x0000) /* Reset generated when entering in STOP */
/* Option_Bytes_nRST_STDBY */
#define OB_STDBY_NoRST ((uint16_t)0x0004) /* No reset generated when entering in STANDBY */
#define OB_STDBY_RST ((uint16_t)0x0000) /* Reset generated when entering in STANDBY */
/* Option_Bytes_RST_ENandDT */
#define OB_RST_NoEN ((uint16_t)0x0018) /* Reset IO disable (PD7)*/
#define OB_RST_EN_DT12ms ((uint16_t)0x0010) /* Reset IO enable (PD7) and Ignore delay time 12ms */
#define OB_RST_EN_DT1ms ((uint16_t)0x0008) /* Reset IO enable (PD7) and Ignore delay time 1ms */
#define OB_RST_EN_DT128us ((uint16_t)0x0000) /* Reset IO enable (PD7) and Ignore delay time 128us */
/* Option_Bytes_Power_ON_Start_Mode */
#define OB_PowerON_Start_Mode_BOOT ((uint16_t)0x0020) /* from Boot after power on */
#define OB_PowerON_Start_Mode_USER ((uint16_t)0x0000) /* from User after power on */
/* FLASH_Interrupts */
#define FLASH_IT_ERROR ((uint32_t)0x00000400) /* FPEC error interrupt source */
#define FLASH_IT_EOP ((uint32_t)0x00001000) /* End of FLASH Operation Interrupt source */
#define FLASH_IT_BANK1_ERROR FLASH_IT_ERROR /* FPEC BANK1 error interrupt source */
#define FLASH_IT_BANK1_EOP FLASH_IT_EOP /* End of FLASH BANK1 Operation Interrupt source */
/* FLASH_Flags */
#define FLASH_FLAG_BSY ((uint32_t)0x00000001) /* FLASH Busy flag */
#define FLASH_FLAG_EOP ((uint32_t)0x00000020) /* FLASH End of Operation flag */
#define FLASH_FLAG_WRPRTERR ((uint32_t)0x00000010) /* FLASH Write protected error flag */
#define FLASH_FLAG_OPTERR ((uint32_t)0x00000001) /* FLASH Option Byte error flag */
#define FLASH_FLAG_BANK1_BSY FLASH_FLAG_BSY /* FLASH BANK1 Busy flag*/
#define FLASH_FLAG_BANK1_EOP FLASH_FLAG_EOP /* FLASH BANK1 End of Operation flag */
#define FLASH_FLAG_BANK1_WRPRTERR FLASH_FLAG_WRPRTERR /* FLASH BANK1 Write protected error flag */
/* System_Reset_Start_Mode */
#define Start_Mode_USER ((uint32_t)0x00000000)
#define Start_Mode_BOOT ((uint32_t)0x00004000)
/*Functions used for all CH32V00x devices*/
void FLASH_SetLatency(uint32_t FLASH_Latency);
void FLASH_Unlock(void);
void FLASH_Lock(void);
FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
FLASH_Status FLASH_EraseAllPages(void);
FLASH_Status FLASH_EraseOptionBytes(void);
FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data);
FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages);
FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState);
FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY, uint16_t OB_RST, uint16_t OB_PowerON_Start_Mode);
uint32_t FLASH_GetUserOptionByte(void);
uint32_t FLASH_GetWriteProtectionOptionByte(void);
FlagStatus FLASH_GetReadOutProtectionStatus(void);
void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
void FLASH_ClearFlag(uint32_t FLASH_FLAG);
FLASH_Status FLASH_GetStatus(void);
FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
void FLASH_Unlock_Fast(void);
void FLASH_Lock_Fast(void);
void FLASH_BufReset(void);
void FLASH_BufLoad(uint32_t Address, uint32_t Data0);
void FLASH_ErasePage_Fast(uint32_t Page_Address);
void FLASH_ProgramPage_Fast(uint32_t Page_Address);
void SystemReset_StartMode(uint32_t Mode);
FLASH_Status FLASH_ROM_ERASE(uint32_t StartAddr, uint32_t Length);
FLASH_Status FLASH_ROM_WRITE(uint32_t StartAddr, uint32_t *pbuf, uint32_t Length);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_FLASH_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_gpio.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* GPIO firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_GPIO_H
#define __CH32V00x_GPIO_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* Output Maximum frequency selection */
typedef enum
{
GPIO_Speed_10MHz = 1,
GPIO_Speed_2MHz,
GPIO_Speed_50MHz
} GPIOSpeed_TypeDef;
/* Configuration Mode enumeration */
typedef enum
{
GPIO_Mode_AIN = 0x0,
GPIO_Mode_IN_FLOATING = 0x04,
GPIO_Mode_IPD = 0x28,
GPIO_Mode_IPU = 0x48,
GPIO_Mode_Out_OD = 0x14,
GPIO_Mode_Out_PP = 0x10,
GPIO_Mode_AF_OD = 0x1C,
GPIO_Mode_AF_PP = 0x18
} GPIOMode_TypeDef;
/* GPIO Init structure definition */
typedef struct
{
uint16_t GPIO_Pin; /* Specifies the GPIO pins to be configured.
This parameter can be any value of @ref GPIO_pins_define */
GPIOSpeed_TypeDef GPIO_Speed; /* Specifies the speed for the selected pins.
This parameter can be a value of @ref GPIOSpeed_TypeDef */
GPIOMode_TypeDef GPIO_Mode; /* Specifies the operating mode for the selected pins.
This parameter can be a value of @ref GPIOMode_TypeDef */
} GPIO_InitTypeDef;
/* Bit_SET and Bit_RESET enumeration */
typedef enum
{
Bit_RESET = 0,
Bit_SET
} BitAction;
/* GPIO_pins_define */
#define GPIO_Pin_0 ((uint16_t)0x0001) /* Pin 0 selected */
#define GPIO_Pin_1 ((uint16_t)0x0002) /* Pin 1 selected */
#define GPIO_Pin_2 ((uint16_t)0x0004) /* Pin 2 selected */
#define GPIO_Pin_3 ((uint16_t)0x0008) /* Pin 3 selected */
#define GPIO_Pin_4 ((uint16_t)0x0010) /* Pin 4 selected */
#define GPIO_Pin_5 ((uint16_t)0x0020) /* Pin 5 selected */
#define GPIO_Pin_6 ((uint16_t)0x0040) /* Pin 6 selected */
#define GPIO_Pin_7 ((uint16_t)0x0080) /* Pin 7 selected */
#define GPIO_Pin_All ((uint16_t)0xFFFF) /* All pins selected */
/* GPIO_Remap_define */
#define GPIO_Remap_SPI1 ((uint32_t)0x00000001) /* SPI1 Alternate Function mapping */
#define GPIO_PartialRemap_I2C1 ((uint32_t)0x10000002) /* I2C1 Partial Alternate Function mapping */
#define GPIO_FullRemap_I2C1 ((uint32_t)0x10400002) /* I2C1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_USART1 ((uint32_t)0x80000004) /* USART1 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_USART1 ((uint32_t)0x80200000) /* USART1 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_USART1 ((uint32_t)0x80200004) /* USART1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_TIM1 ((uint32_t)0x00160040) /* TIM1 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_TIM1 ((uint32_t)0x00160080) /* TIM1 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_TIM1 ((uint32_t)0x001600C0) /* TIM1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_TIM2 ((uint32_t)0x00180100) /* TIM2 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_TIM2 ((uint32_t)0x00180200) /* TIM2 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_TIM2 ((uint32_t)0x00180300) /* TIM2 Full Alternate Function mapping */
#define GPIO_Remap_PA1_2 ((uint32_t)0x00008000) /* PA1 and PA2 Alternate Function mapping */
#define GPIO_Remap_ADC1_ETRGINJ ((uint32_t)0x00200002) /* ADC1 External Trigger Injected Conversion remapping */
#define GPIO_Remap_ADC1_ETRGREG ((uint32_t)0x00200004) /* ADC1 External Trigger Regular Conversion remapping */
#define GPIO_Remap_LSI_CAL ((uint32_t)0x00200080) /* LSI calibration Alternate Function mapping */
#define GPIO_Remap_SDI_Disable ((uint32_t)0x00300400) /* SDI Disabled */
/* GPIO_Port_Sources */
#define GPIO_PortSourceGPIOA ((uint8_t)0x00)
#define GPIO_PortSourceGPIOC ((uint8_t)0x02)
#define GPIO_PortSourceGPIOD ((uint8_t)0x03)
/* GPIO_Pin_sources */
#define GPIO_PinSource0 ((uint8_t)0x00)
#define GPIO_PinSource1 ((uint8_t)0x01)
#define GPIO_PinSource2 ((uint8_t)0x02)
#define GPIO_PinSource3 ((uint8_t)0x03)
#define GPIO_PinSource4 ((uint8_t)0x04)
#define GPIO_PinSource5 ((uint8_t)0x05)
#define GPIO_PinSource6 ((uint8_t)0x06)
#define GPIO_PinSource7 ((uint8_t)0x07)
void GPIO_DeInit(GPIO_TypeDef *GPIOx);
void GPIO_AFIODeInit(void);
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct);
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct);
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx);
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx);
void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal);
void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource);
void GPIO_EventOutputCmd(FunctionalState NewState);
void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState);
void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_GPIO_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_i2c.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* I2C firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_I2C_H
#define __CH32V00x_I2C_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* I2C Init structure definition */
typedef struct
{
uint32_t I2C_ClockSpeed; /* Specifies the clock frequency.
This parameter must be set to a value lower than 400kHz */
uint16_t I2C_Mode; /* Specifies the I2C mode.
This parameter can be a value of @ref I2C_mode */
uint16_t I2C_DutyCycle; /* Specifies the I2C fast mode duty cycle.
This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */
uint16_t I2C_OwnAddress1; /* Specifies the first device own address.
This parameter can be a 7-bit or 10-bit address. */
uint16_t I2C_Ack; /* Enables or disables the acknowledgement.
This parameter can be a value of @ref I2C_acknowledgement */
uint16_t I2C_AcknowledgedAddress; /* Specifies if 7-bit or 10-bit address is acknowledged.
This parameter can be a value of @ref I2C_acknowledged_address */
} I2C_InitTypeDef;
/* I2C_mode */
#define I2C_Mode_I2C ((uint16_t)0x0000)
/* I2C_duty_cycle_in_fast_mode */
#define I2C_DutyCycle_16_9 ((uint16_t)0x4000) /* I2C fast mode Tlow/Thigh = 16/9 */
#define I2C_DutyCycle_2 ((uint16_t)0xBFFF) /* I2C fast mode Tlow/Thigh = 2 */
/* I2C_acknowledgement */
#define I2C_Ack_Enable ((uint16_t)0x0400)
#define I2C_Ack_Disable ((uint16_t)0x0000)
/* I2C_transfer_direction */
#define I2C_Direction_Transmitter ((uint8_t)0x00)
#define I2C_Direction_Receiver ((uint8_t)0x01)
/* I2C_acknowledged_address */
#define I2C_AcknowledgedAddress_7bit ((uint16_t)0x4000)
#define I2C_AcknowledgedAddress_10bit ((uint16_t)0xC000)
/* I2C_registers */
#define I2C_Register_CTLR1 ((uint8_t)0x00)
#define I2C_Register_CTLR2 ((uint8_t)0x04)
#define I2C_Register_OADDR1 ((uint8_t)0x08)
#define I2C_Register_OADDR2 ((uint8_t)0x0C)
#define I2C_Register_DATAR ((uint8_t)0x10)
#define I2C_Register_STAR1 ((uint8_t)0x14)
#define I2C_Register_STAR2 ((uint8_t)0x18)
#define I2C_Register_CKCFGR ((uint8_t)0x1C)
/* I2C_PEC_position */
#define I2C_PECPosition_Next ((uint16_t)0x0800)
#define I2C_PECPosition_Current ((uint16_t)0xF7FF)
/* I2C_NACK_position */
#define I2C_NACKPosition_Next ((uint16_t)0x0800)
#define I2C_NACKPosition_Current ((uint16_t)0xF7FF)
/* I2C_interrupts_definition */
#define I2C_IT_BUF ((uint16_t)0x0400)
#define I2C_IT_EVT ((uint16_t)0x0200)
#define I2C_IT_ERR ((uint16_t)0x0100)
/* I2C_interrupts_definition */
#define I2C_IT_PECERR ((uint32_t)0x01001000)
#define I2C_IT_OVR ((uint32_t)0x01000800)
#define I2C_IT_AF ((uint32_t)0x01000400)
#define I2C_IT_ARLO ((uint32_t)0x01000200)
#define I2C_IT_BERR ((uint32_t)0x01000100)
#define I2C_IT_TXE ((uint32_t)0x06000080)
#define I2C_IT_RXNE ((uint32_t)0x06000040)
#define I2C_IT_STOPF ((uint32_t)0x02000010)
#define I2C_IT_ADD10 ((uint32_t)0x02000008)
#define I2C_IT_BTF ((uint32_t)0x02000004)
#define I2C_IT_ADDR ((uint32_t)0x02000002)
#define I2C_IT_SB ((uint32_t)0x02000001)
/* SR2 register flags */
#define I2C_FLAG_DUALF ((uint32_t)0x00800000)
#define I2C_FLAG_GENCALL ((uint32_t)0x00100000)
#define I2C_FLAG_TRA ((uint32_t)0x00040000)
#define I2C_FLAG_BUSY ((uint32_t)0x00020000)
#define I2C_FLAG_MSL ((uint32_t)0x00010000)
/* SR1 register flags */
#define I2C_FLAG_PECERR ((uint32_t)0x10001000)
#define I2C_FLAG_OVR ((uint32_t)0x10000800)
#define I2C_FLAG_AF ((uint32_t)0x10000400)
#define I2C_FLAG_ARLO ((uint32_t)0x10000200)
#define I2C_FLAG_BERR ((uint32_t)0x10000100)
#define I2C_FLAG_TXE ((uint32_t)0x10000080)
#define I2C_FLAG_RXNE ((uint32_t)0x10000040)
#define I2C_FLAG_STOPF ((uint32_t)0x10000010)
#define I2C_FLAG_ADD10 ((uint32_t)0x10000008)
#define I2C_FLAG_BTF ((uint32_t)0x10000004)
#define I2C_FLAG_ADDR ((uint32_t)0x10000002)
#define I2C_FLAG_SB ((uint32_t)0x10000001)
/****************I2C Master Events (Events grouped in order of communication)********************/
/********************************************************************************************************************
* @brief Start communicate
*
* After master use I2C_GenerateSTART() function sending the START condition,the master
* has to wait for event 5(the Start condition has been correctly
* released on the I2C bus ).
*
*/
/* EVT5 */
#define I2C_EVENT_MASTER_MODE_SELECT ((uint32_t)0x00030001) /* BUSY, MSL and SB flag */
/********************************************************************************************************************
* @brief Address Acknowledge
*
* When start condition correctly released on the bus(check EVT5), the
* master use I2C_Send7bitAddress() function sends the address of the slave(s) with which it will communicate
* it also determines master as transmitter or Receiver. Then the master has to wait that a slave acknowledges
* his address. If an acknowledge is sent on the bus, one of the following events will be set:
*
*
*
* 1) In case of Master Receiver (7-bit addressing): the I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED
* event is set.
*
* 2) In case of Master Transmitter (7-bit addressing): the I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED
* is set
*
* 3) In case of 10-Bit addressing mode, the master (after generating the START
* and checking on EVT5) use I2C_SendData() function send the header of 10-bit addressing mode.
* Then master wait EVT9. EVT9 means that the 10-bit addressing header has been correctly sent
* on the bus. Then master should use the function I2C_Send7bitAddress() to send the second part
* of the 10-bit address (LSB) . Then master should wait for event 6.
*
*
*/
/* EVT6 */
#define I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ((uint32_t)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */
#define I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED ((uint32_t)0x00030002) /* BUSY, MSL and ADDR flags */
/*EVT9 */
#define I2C_EVENT_MASTER_MODE_ADDRESS10 ((uint32_t)0x00030008) /* BUSY, MSL and ADD10 flags */
/********************************************************************************************************************
* @brief Communication events
*
* If START condition has generated and slave address
* been acknowledged. then the master has to check one of the following events for
* communication procedures:
*
* 1) Master Receiver mode: The master has to wait on the event EVT7 then use
* I2C_ReceiveData() function to read the data received from the slave .
*
* 2) Master Transmitter mode: The master use I2C_SendData() function to send data
* then to wait on event EVT8 or EVT8_2.
* These two events are similar:
* - EVT8 means that the data has been written in the data register and is
* being shifted out.
* - EVT8_2 means that the data has been physically shifted out and output
* on the bus.
* In most cases, using EVT8 is sufficient for the application.
* Using EVT8_2 will leads to a slower communication speed but will more reliable .
* EVT8_2 is also more suitable than EVT8 for testing on the last data transmission
*
*
* Note:
* In case the user software does not guarantee that this event EVT7 is managed before
* the current byte end of transfer, then user may check on I2C_EVENT_MASTER_BYTE_RECEIVED
* and I2C_FLAG_BTF flag at the same time .But in this case the communication may be slower.
*
*
*/
/* Master Receive mode */
/* EVT7 */
#define I2C_EVENT_MASTER_BYTE_RECEIVED ((uint32_t)0x00030040) /* BUSY, MSL and RXNE flags */
/* Master Transmitter mode*/
/* EVT8 */
#define I2C_EVENT_MASTER_BYTE_TRANSMITTING ((uint32_t)0x00070080) /* TRA, BUSY, MSL, TXE flags */
/* EVT8_2 */
#define I2C_EVENT_MASTER_BYTE_TRANSMITTED ((uint32_t)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */
/******************I2C Slave Events (Events grouped in order of communication)******************/
/********************************************************************************************************************
* @brief Start Communicate events
*
* Wait on one of these events at the start of the communication. It means that
* the I2C peripheral detected a start condition of master device generate on the bus.
* If the acknowledge feature is enabled through function I2C_AcknowledgeConfig()),The peripheral generates an ACK condition on the bus.
*
*
*
* a) In normal case (only one address managed by the slave), when the address
* sent by the master matches the own address of the peripheral (configured by
* I2C_OwnAddress1 field) the I2C_EVENT_SLAVE_XXX_ADDRESS_MATCHED event is set
* (where XXX could be TRANSMITTER or RECEIVER).
*
* b) In case the address sent by the master matches the second address of the
* peripheral (configured by the function I2C_OwnAddress2Config() and enabled
* by the function I2C_DualAddressCmd()) the events I2C_EVENT_SLAVE_XXX_SECONDADDRESS_MATCHED
* (where XXX could be TRANSMITTER or RECEIVER) are set.
*
* c) In case the address sent by the master is General Call (address 0x00) and
* if the General Call is enabled for the peripheral (using function I2C_GeneralCallCmd())
* the following event is set I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED.
*
*/
/* EVT1 */
/* a) Case of One Single Address managed by the slave */
#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED ((uint32_t)0x00020002) /* BUSY and ADDR flags */
#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */
/* b) Case of Dual address managed by the slave */
#define I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED ((uint32_t)0x00820000) /* DUALF and BUSY flags */
#define I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED ((uint32_t)0x00860080) /* DUALF, TRA, BUSY and TXE flags */
/* c) Case of General Call enabled for the slave */
#define I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED ((uint32_t)0x00120000) /* GENCALL and BUSY flags */
/********************************************************************************************************************
* @brief Communication events
*
* Wait on one of these events when EVT1 has already been checked :
*
* - Slave Receiver mode:
* - EVT2--The device is expecting to receive a data byte .
* - EVT4--The device is expecting the end of the communication: master
* sends a stop condition and data transmission is stopped.
*
* - Slave Transmitter mode:
* - EVT3--When a byte has been transmitted by the slave and the Master is expecting
* the end of the byte transmission. The two events I2C_EVENT_SLAVE_BYTE_TRANSMITTED and
* I2C_EVENT_SLAVE_BYTE_TRANSMITTING are similar. If the user software doesn't guarantee
* the EVT3 is managed before the current byte end of transfer The second one can optionally
* be used.
* - EVT3_2--When the master sends a NACK to tell slave device that data transmission
* shall end . The slave device has to stop sending
* data bytes and wait a Stop condition from bus.
*
* Note:
* If the user software does not guarantee that the event 2 is
* managed before the current byte end of transfer, User may check on I2C_EVENT_SLAVE_BYTE_RECEIVED
* and I2C_FLAG_BTF flag at the same time .
* In this case the communication will be slower.
*
*/
/* Slave Receiver mode*/
/* EVT2 */
#define I2C_EVENT_SLAVE_BYTE_RECEIVED ((uint32_t)0x00020040) /* BUSY and RXNE flags */
/* EVT4 */
#define I2C_EVENT_SLAVE_STOP_DETECTED ((uint32_t)0x00000010) /* STOPF flag */
/* Slave Transmitter mode -----------------------*/
/* EVT3 */
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ((uint32_t)0x00060084) /* TRA, BUSY, TXE and BTF flags */
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTING ((uint32_t)0x00060080) /* TRA, BUSY and TXE flags */
/*EVT3_2 */
#define I2C_EVENT_SLAVE_ACK_FAILURE ((uint32_t)0x00000400) /* AF flag */
void I2C_DeInit(I2C_TypeDef *I2Cx);
void I2C_Init(I2C_TypeDef *I2Cx, I2C_InitTypeDef *I2C_InitStruct);
void I2C_StructInit(I2C_InitTypeDef *I2C_InitStruct);
void I2C_Cmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_DMACmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_DMALastTransferCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GenerateSTART(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GenerateSTOP(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_AcknowledgeConfig(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_OwnAddress2Config(I2C_TypeDef *I2Cx, uint8_t Address);
void I2C_DualAddressCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GeneralCallCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_ITConfig(I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState);
void I2C_SendData(I2C_TypeDef *I2Cx, uint8_t Data);
uint8_t I2C_ReceiveData(I2C_TypeDef *I2Cx);
void I2C_Send7bitAddress(I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction);
uint16_t I2C_ReadRegister(I2C_TypeDef *I2Cx, uint8_t I2C_Register);
void I2C_SoftwareResetCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_NACKPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition);
void I2C_TransmitPEC(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_PECPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition);
void I2C_CalculatePEC(I2C_TypeDef *I2Cx, FunctionalState NewState);
uint8_t I2C_GetPEC(I2C_TypeDef *I2Cx);
void I2C_ARPCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_StretchClockCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_FastModeDutyCycleConfig(I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle);
/*****************************************************************************************
*
* I2C State Monitoring Functions
*
****************************************************************************************
* This I2C driver provides three different ways for I2C state monitoring
* profit the application requirements and constraints:
*
*
* a) First way:
* Using I2C_CheckEvent() function:
* It compares the status registers (STARR1 and STAR2) content to a given event
* (can be the combination of more flags).
* If the current status registers includes the given flags will return SUCCESS.
* and if the current status registers miss flags will returns ERROR.
* - When to use:
* - This function is suitable for most applications as well as for startup
* activity since the events are fully described in the product reference manual
* (CH32V03RM).
* - It is also suitable for users who need to define their own events.
* - Limitations:
* - If an error occurs besides to the monitored error,
* the I2C_CheckEvent() function may return SUCCESS despite the communication
* in corrupted state. it is suggeted to use error interrupts to monitor the error
* events and handle them in IRQ handler.
*
*
* Note:
* The following functions are recommended for error management: :
* - I2C_ITConfig() main function of configure and enable the error interrupts.
* - I2Cx_ER_IRQHandler() will be called when the error interrupt happen.
* Where x is the peripheral instance (I2C1, I2C2 ...)
* - I2Cx_ER_IRQHandler() will call I2C_GetFlagStatus() or I2C_GetITStatus() functions
* to determine which error occurred.
* - I2C_ClearFlag() \ I2C_ClearITPendingBit() \ I2C_SoftwareResetCmd()
* \ I2C_GenerateStop() will be use to clear the error flag and source,
* and return to correct communication status.
*
*
* b) Second way:
* Using the function to get a single word(uint32_t) composed of status register 1 and register 2.
* (Status Register 2 value is shifted left by 16 bits and concatenated to Status Register 1).
* - When to use:
*
* - This function is suitable for the same applications above but it
* don't have the limitations of I2C_GetFlagStatus() function .
* The returned value could be compared to events already defined in the
* library (CH32V00x_i2c.h) or to custom values defined by user.
* - This function can be used to monitor the status of multiple flags simultaneously.
* - Contrary to the I2C_CheckEvent () function, this function can choose the time to
* accept the event according to the user's needs (when all event flags are set and
* no other flags are set, or only when the required flags are set)
*
* - Limitations:
* - User may need to define his own events.
* - Same remark concerning the error management is applicable for this
* function if user decides to check only regular communication flags (and
* ignores error flags).
*
*
* c) Third way:
* Using the function I2C_GetFlagStatus() get the status of
* one single flag .
* - When to use:
* - This function could be used for specific applications or in debug phase.
* - It is suitable when only one flag checking is needed .
*
* - Limitations:
* - Call this function to access the status register. Some flag bits may be cleared.
* - Function may need to be called twice or more in order to monitor one single event.
*/
/*********************************************************
*
* a) Basic state monitoring(First way)
********************************************************
*/
ErrorStatus I2C_CheckEvent(I2C_TypeDef* I2Cx, uint32_t I2C_EVENT);
/*********************************************************
*
* b) Advanced state monitoring(Second way:)
********************************************************
*/
uint32_t I2C_GetLastEvent(I2C_TypeDef* I2Cx);
/*********************************************************
*
* c) Flag-based state monitoring(Third way)
*********************************************************
*/
FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
void I2C_ClearFlag(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG);
ITStatus I2C_GetITStatus(I2C_TypeDef *I2Cx, uint32_t I2C_IT);
void I2C_ClearITPendingBit(I2C_TypeDef *I2Cx, uint32_t I2C_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_I2C_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_iwdg.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* IWDG firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_IWDG_H
#define __CH32V00x_IWDG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* IWDG_WriteAccess */
#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
/* IWDG_prescaler */
#define IWDG_Prescaler_4 ((uint8_t)0x00)
#define IWDG_Prescaler_8 ((uint8_t)0x01)
#define IWDG_Prescaler_16 ((uint8_t)0x02)
#define IWDG_Prescaler_32 ((uint8_t)0x03)
#define IWDG_Prescaler_64 ((uint8_t)0x04)
#define IWDG_Prescaler_128 ((uint8_t)0x05)
#define IWDG_Prescaler_256 ((uint8_t)0x06)
/* IWDG_Flag */
#define IWDG_FLAG_PVU ((uint16_t)0x0001)
#define IWDG_FLAG_RVU ((uint16_t)0x0002)
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
void IWDG_SetReload(uint16_t Reload);
void IWDG_ReloadCounter(void);
void IWDG_Enable(void);
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_IWDG_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_misc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* miscellaneous firmware library functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00X_MISC_H
#define __CH32V00X_MISC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* NVIC Init Structure definition */
typedef struct
{
uint8_t NVIC_IRQChannel;
uint8_t NVIC_IRQChannelPreemptionPriority;
uint8_t NVIC_IRQChannelSubPriority;
FunctionalState NVIC_IRQChannelCmd;
} NVIC_InitTypeDef;
/* Preemption_Priority_Group */
#define NVIC_PriorityGroup_0 ((uint32_t)0x00)
#define NVIC_PriorityGroup_1 ((uint32_t)0x01)
#define NVIC_PriorityGroup_2 ((uint32_t)0x02)
#define NVIC_PriorityGroup_3 ((uint32_t)0x03)
#define NVIC_PriorityGroup_4 ((uint32_t)0x04)
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_MISC_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_opa.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* OPA firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_OPA_H
#define __CH32V00x_OPA_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ch32v00x.h"
/* OPA PSEL enumeration */
typedef enum
{
CHP0 = 0,
CHP1
} OPA_PSEL_TypeDef;
/* OPA NSEL enumeration */
typedef enum
{
CHN0 = 0,
CHN1
} OPA_NSEL_TypeDef;
/* OPA Init Structure definition */
typedef struct
{
OPA_PSEL_TypeDef PSEL; /* Specifies the positive channel of OPA */
OPA_NSEL_TypeDef NSEL; /* Specifies the negative channel of OPA */
} OPA_InitTypeDef;
void OPA_DeInit(void);
void OPA_Init(OPA_InitTypeDef *OPA_InitStruct);
void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct);
void OPA_Cmd(FunctionalState NewState);
#ifdef __cplusplus
}
#endif
#endif

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_pwr.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the PWR
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_PWR_H
#define __CH32V00x_PWR_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* PVD_detection_level */
#define PWR_PVDLevel_2V9 ((uint32_t)0x00000000)
#define PWR_PVDLevel_3V1 ((uint32_t)0x00000020)
#define PWR_PVDLevel_3V3 ((uint32_t)0x00000040)
#define PWR_PVDLevel_3V5 ((uint32_t)0x00000060)
#define PWR_PVDLevel_3V7 ((uint32_t)0x00000080)
#define PWR_PVDLevel_3V9 ((uint32_t)0x000000A0)
#define PWR_PVDLevel_4V1 ((uint32_t)0x000000C0)
#define PWR_PVDLevel_4V4 ((uint32_t)0x000000E0)
/* PWR_AWU_Prescaler */
#define PWR_AWU_Prescaler_1 ((uint32_t)0x00000000)
#define PWR_AWU_Prescaler_2 ((uint32_t)0x00000002)
#define PWR_AWU_Prescaler_4 ((uint32_t)0x00000003)
#define PWR_AWU_Prescaler_8 ((uint32_t)0x00000004)
#define PWR_AWU_Prescaler_16 ((uint32_t)0x00000005)
#define PWR_AWU_Prescaler_32 ((uint32_t)0x00000006)
#define PWR_AWU_Prescaler_64 ((uint32_t)0x00000007)
#define PWR_AWU_Prescaler_128 ((uint32_t)0x00000008)
#define PWR_AWU_Prescaler_256 ((uint32_t)0x00000009)
#define PWR_AWU_Prescaler_512 ((uint32_t)0x0000000A)
#define PWR_AWU_Prescaler_1024 ((uint32_t)0x0000000B)
#define PWR_AWU_Prescaler_2048 ((uint32_t)0x0000000C)
#define PWR_AWU_Prescaler_4096 ((uint32_t)0x0000000D)
#define PWR_AWU_Prescaler_10240 ((uint32_t)0x0000000E)
#define PWR_AWU_Prescaler_61440 ((uint32_t)0x0000000F)
/* STOP_mode_entry */
#define PWR_STANDBYEntry_WFI ((uint8_t)0x01)
#define PWR_STANDBYEntry_WFE ((uint8_t)0x02)
/* PWR_Flag */
#define PWR_FLAG_PVDO ((uint32_t)0x00000004)
void PWR_DeInit(void);
void PWR_PVDCmd(FunctionalState NewState);
void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel);
void PWR_AutoWakeUpCmd(FunctionalState NewState);
void PWR_AWU_SetPrescaler(uint32_t AWU_Prescaler);
void PWR_AWU_SetWindowValue(uint8_t WindowValue);
void PWR_EnterSTANDBYMode(uint8_t PWR_STANDBYEntry);
FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_PWR_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_rcc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the RCC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_RCC_H
#define __CH32V00x_RCC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* RCC_Exported_Types */
typedef struct
{
uint32_t SYSCLK_Frequency; /* returns SYSCLK clock frequency expressed in Hz */
uint32_t HCLK_Frequency; /* returns HCLK clock frequency expressed in Hz */
uint32_t PCLK1_Frequency; /* returns PCLK1 clock frequency expressed in Hz */
uint32_t PCLK2_Frequency; /* returns PCLK2 clock frequency expressed in Hz */
uint32_t ADCCLK_Frequency; /* returns ADCCLK clock frequency expressed in Hz */
} RCC_ClocksTypeDef;
/* HSE_configuration */
#define RCC_HSE_OFF ((uint32_t)0x00000000)
#define RCC_HSE_ON ((uint32_t)0x00010000)
#define RCC_HSE_Bypass ((uint32_t)0x00040000)
/* PLL_entry_clock_source */
#define RCC_PLLSource_HSI_MUL2 ((uint32_t)0x00000000)
#define RCC_PLLSource_HSE_MUL2 ((uint32_t)0x00030000)
/* System_clock_source */
#define RCC_SYSCLKSource_HSI ((uint32_t)0x00000000)
#define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001)
#define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002)
/* AHB_clock_source */
#define RCC_SYSCLK_Div1 ((uint32_t)0x00000000)
#define RCC_SYSCLK_Div2 ((uint32_t)0x00000010)
#define RCC_SYSCLK_Div3 ((uint32_t)0x00000020)
#define RCC_SYSCLK_Div4 ((uint32_t)0x00000030)
#define RCC_SYSCLK_Div5 ((uint32_t)0x00000040)
#define RCC_SYSCLK_Div6 ((uint32_t)0x00000050)
#define RCC_SYSCLK_Div7 ((uint32_t)0x00000060)
#define RCC_SYSCLK_Div8 ((uint32_t)0x00000070)
#define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0)
#define RCC_SYSCLK_Div32 ((uint32_t)0x000000C0)
#define RCC_SYSCLK_Div64 ((uint32_t)0x000000D0)
#define RCC_SYSCLK_Div128 ((uint32_t)0x000000E0)
#define RCC_SYSCLK_Div256 ((uint32_t)0x000000F0)
/* RCC_Interrupt_source */
#define RCC_IT_LSIRDY ((uint8_t)0x01)
#define RCC_IT_HSIRDY ((uint8_t)0x04)
#define RCC_IT_HSERDY ((uint8_t)0x08)
#define RCC_IT_PLLRDY ((uint8_t)0x10)
#define RCC_IT_CSS ((uint8_t)0x80)
/* ADC_clock_source */
#define RCC_PCLK2_Div2 ((uint32_t)0x00000000)
#define RCC_PCLK2_Div4 ((uint32_t)0x00004000)
#define RCC_PCLK2_Div6 ((uint32_t)0x00008000)
#define RCC_PCLK2_Div8 ((uint32_t)0x0000C000)
#define RCC_PCLK2_Div12 ((uint32_t)0x0000A000)
#define RCC_PCLK2_Div16 ((uint32_t)0x0000E000)
#define RCC_PCLK2_Div24 ((uint32_t)0x0000A800)
#define RCC_PCLK2_Div32 ((uint32_t)0x0000E800)
#define RCC_PCLK2_Div48 ((uint32_t)0x0000B000)
#define RCC_PCLK2_Div64 ((uint32_t)0x0000F000)
#define RCC_PCLK2_Div96 ((uint32_t)0x0000B800)
#define RCC_PCLK2_Div128 ((uint32_t)0x0000F800)
/* AHB_peripheral */
#define RCC_AHBPeriph_DMA1 ((uint32_t)0x00000001)
#define RCC_AHBPeriph_SRAM ((uint32_t)0x00000004)
/* APB2_peripheral */
#define RCC_APB2Periph_AFIO ((uint32_t)0x00000001)
#define RCC_APB2Periph_GPIOA ((uint32_t)0x00000004)
#define RCC_APB2Periph_GPIOC ((uint32_t)0x00000010)
#define RCC_APB2Periph_GPIOD ((uint32_t)0x00000020)
#define RCC_APB2Periph_ADC1 ((uint32_t)0x00000200)
#define RCC_APB2Periph_TIM1 ((uint32_t)0x00000800)
#define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000)
#define RCC_APB2Periph_USART1 ((uint32_t)0x00004000)
/* APB1_peripheral */
#define RCC_APB1Periph_TIM2 ((uint32_t)0x00000001)
#define RCC_APB1Periph_WWDG ((uint32_t)0x00000800)
#define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000)
#define RCC_APB1Periph_PWR ((uint32_t)0x10000000)
/* Clock_source_to_output_on_MCO_pin */
#define RCC_MCO_NoClock ((uint8_t)0x00)
#define RCC_MCO_SYSCLK ((uint8_t)0x04)
#define RCC_MCO_HSI ((uint8_t)0x05)
#define RCC_MCO_HSE ((uint8_t)0x06)
#define RCC_MCO_PLLCLK ((uint8_t)0x07)
/* RCC_Flag */
#define RCC_FLAG_HSIRDY ((uint8_t)0x21)
#define RCC_FLAG_HSERDY ((uint8_t)0x31)
#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
#define RCC_FLAG_LSIRDY ((uint8_t)0x61)
#define RCC_FLAG_PINRST ((uint8_t)0x7A)
#define RCC_FLAG_PORRST ((uint8_t)0x7B)
#define RCC_FLAG_SFTRST ((uint8_t)0x7C)
#define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
#define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
#define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
/* SysTick_clock_source */
#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
void RCC_DeInit(void);
void RCC_HSEConfig(uint32_t RCC_HSE);
ErrorStatus RCC_WaitForHSEStartUp(void);
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue);
void RCC_HSICmd(FunctionalState NewState);
void RCC_PLLConfig(uint32_t RCC_PLLSource);
void RCC_PLLCmd(FunctionalState NewState);
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
uint8_t RCC_GetSYSCLKSource(void);
void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
void RCC_ADCCLKConfig(uint32_t RCC_PCLK2);
void RCC_LSICmd(FunctionalState NewState);
void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks);
void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
void RCC_MCOConfig(uint8_t RCC_MCO);
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);
void RCC_ClearFlag(void);
ITStatus RCC_GetITStatus(uint8_t RCC_IT);
void RCC_ClearITPendingBit(uint8_t RCC_IT);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_RCC_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_spi.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* SPI firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_SPI_H
#define __CH32V00x_SPI_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* SPI Init structure definition */
typedef struct
{
uint16_t SPI_Direction; /* Specifies the SPI unidirectional or bidirectional data mode.
This parameter can be a value of @ref SPI_data_direction */
uint16_t SPI_Mode; /* Specifies the SPI operating mode.
This parameter can be a value of @ref SPI_mode */
uint16_t SPI_DataSize; /* Specifies the SPI data size.
This parameter can be a value of @ref SPI_data_size */
uint16_t SPI_CPOL; /* Specifies the serial clock steady state.
This parameter can be a value of @ref SPI_Clock_Polarity */
uint16_t SPI_CPHA; /* Specifies the clock active edge for the bit capture.
This parameter can be a value of @ref SPI_Clock_Phase */
uint16_t SPI_NSS; /* Specifies whether the NSS signal is managed by
hardware (NSS pin) or by software using the SSI bit.
This parameter can be a value of @ref SPI_Slave_Select_management */
uint16_t SPI_BaudRatePrescaler; /* Specifies the Baud Rate prescaler value which will be
used to configure the transmit and receive SCK clock.
This parameter can be a value of @ref SPI_BaudRate_Prescaler.
@note The communication clock is derived from the master
clock. The slave clock does not need to be set. */
uint16_t SPI_FirstBit; /* Specifies whether data transfers start from MSB bit. */
uint16_t SPI_CRCPolynomial; /* Specifies the polynomial used for the CRC calculation. */
} SPI_InitTypeDef;
/* SPI_data_direction */
#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
/* SPI_mode */
#define SPI_Mode_Master ((uint16_t)0x0104)
#define SPI_Mode_Slave ((uint16_t)0x0000)
/* SPI_data_size */
#define SPI_DataSize_16b ((uint16_t)0x0800)
#define SPI_DataSize_8b ((uint16_t)0x0000)
/* SPI_Clock_Polarity */
#define SPI_CPOL_Low ((uint16_t)0x0000)
#define SPI_CPOL_High ((uint16_t)0x0002)
/* SPI_Clock_Phase */
#define SPI_CPHA_1Edge ((uint16_t)0x0000)
#define SPI_CPHA_2Edge ((uint16_t)0x0001)
/* SPI_Slave_Select_management */
#define SPI_NSS_Soft ((uint16_t)0x0200)
#define SPI_NSS_Hard ((uint16_t)0x0000)
/* SPI_BaudRate_Prescaler */
#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
/* SPI_MSB_LSB transmission */
#define SPI_FirstBit_MSB ((uint16_t)0x0000)
#define SPI_FirstBit_LSB ((uint16_t)0x0080)//not support SPI slave mode
/* SPI_I2S_DMA_transfer_requests */
#define SPI_I2S_DMAReq_Tx ((uint16_t)0x0002)
#define SPI_I2S_DMAReq_Rx ((uint16_t)0x0001)
/* SPI_NSS_internal_software_management */
#define SPI_NSSInternalSoft_Set ((uint16_t)0x0100)
#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
/* SPI_CRC_Transmit_Receive */
#define SPI_CRC_Tx ((uint8_t)0x00)
#define SPI_CRC_Rx ((uint8_t)0x01)
/* SPI_direction_transmit_receive */
#define SPI_Direction_Rx ((uint16_t)0xBFFF)
#define SPI_Direction_Tx ((uint16_t)0x4000)
/* SPI_I2S_interrupts_definition */
#define SPI_I2S_IT_TXE ((uint8_t)0x71)
#define SPI_I2S_IT_RXNE ((uint8_t)0x60)
#define SPI_I2S_IT_ERR ((uint8_t)0x50)
#define SPI_I2S_IT_OVR ((uint8_t)0x56)
#define SPI_IT_MODF ((uint8_t)0x55)
#define SPI_IT_CRCERR ((uint8_t)0x54)
#define I2S_IT_UDR ((uint8_t)0x53)
/* SPI_I2S_flags_definition */
#define SPI_I2S_FLAG_RXNE ((uint16_t)0x0001)
#define SPI_I2S_FLAG_TXE ((uint16_t)0x0002)
#define I2S_FLAG_CHSIDE ((uint16_t)0x0004)
#define I2S_FLAG_UDR ((uint16_t)0x0008)
#define SPI_FLAG_CRCERR ((uint16_t)0x0010)
#define SPI_FLAG_MODF ((uint16_t)0x0020)
#define SPI_I2S_FLAG_OVR ((uint16_t)0x0040)
#define SPI_I2S_FLAG_BSY ((uint16_t)0x0080)
void SPI_I2S_DeInit(SPI_TypeDef *SPIx);
void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct);
void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct);
void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState);
void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data);
uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx);
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft);
void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState);
void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize);
void SPI_TransmitCRC(SPI_TypeDef *SPIx);
void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState);
uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC);
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx);
void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction);
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG);
void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG);
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT);
void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_SPI_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_tim.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* TIM firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_TIM_H
#define __CH32V00x_TIM_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* TIM Time Base Init structure definition */
typedef struct
{
uint16_t TIM_Prescaler; /* Specifies the prescaler value used to divide the TIM clock.
This parameter can be a number between 0x0000 and 0xFFFF */
uint16_t TIM_CounterMode; /* Specifies the counter mode.
This parameter can be a value of @ref TIM_Counter_Mode */
uint16_t TIM_Period; /* Specifies the period value to be loaded into the active
Auto-Reload Register at the next update event.
This parameter must be a number between 0x0000 and 0xFFFF. */
uint16_t TIM_ClockDivision; /* Specifies the clock division.
This parameter can be a value of @ref TIM_Clock_Division_CKD */
uint8_t TIM_RepetitionCounter; /* Specifies the repetition counter value. Each time the RCR downcounter
reaches zero, an update event is generated and counting restarts
from the RCR value (N).
This means in PWM mode that (N+1) corresponds to:
- the number of PWM periods in edge-aligned mode
- the number of half PWM period in center-aligned mode
This parameter must be a number between 0x00 and 0xFF.
@note This parameter is valid only for TIM1. */
} TIM_TimeBaseInitTypeDef;
/* TIM Output Compare Init structure definition */
typedef struct
{
uint16_t TIM_OCMode; /* Specifies the TIM mode.
This parameter can be a value of @ref TIM_Output_Compare_and_PWM_modes */
uint16_t TIM_OutputState; /* Specifies the TIM Output Compare state.
This parameter can be a value of @ref TIM_Output_Compare_state */
uint16_t TIM_OutputNState; /* Specifies the TIM complementary Output Compare state.
This parameter can be a value of @ref TIM_Output_Compare_N_state
@note This parameter is valid only for TIM1. */
uint16_t TIM_Pulse; /* Specifies the pulse value to be loaded into the Capture Compare Register.
This parameter can be a number between 0x0000 and 0xFFFF */
uint16_t TIM_OCPolarity; /* Specifies the output polarity.
This parameter can be a value of @ref TIM_Output_Compare_Polarity */
uint16_t TIM_OCNPolarity; /* Specifies the complementary output polarity.
This parameter can be a value of @ref TIM_Output_Compare_N_Polarity
@note This parameter is valid only for TIM1. */
uint16_t TIM_OCIdleState; /* Specifies the TIM Output Compare pin state during Idle state.
This parameter can be a value of @ref TIM_Output_Compare_Idle_State
@note This parameter is valid only for TIM1. */
uint16_t TIM_OCNIdleState; /* Specifies the TIM Output Compare pin state during Idle state.
This parameter can be a value of @ref TIM_Output_Compare_N_Idle_State
@note This parameter is valid only for TIM1. */
} TIM_OCInitTypeDef;
/* TIM Input Capture Init structure definition */
typedef struct
{
uint16_t TIM_Channel; /* Specifies the TIM channel.
This parameter can be a value of @ref TIM_Channel */
uint16_t TIM_ICPolarity; /* Specifies the active edge of the input signal.
This parameter can be a value of @ref TIM_Input_Capture_Polarity */
uint16_t TIM_ICSelection; /* Specifies the input.
This parameter can be a value of @ref TIM_Input_Capture_Selection */
uint16_t TIM_ICPrescaler; /* Specifies the Input Capture Prescaler.
This parameter can be a value of @ref TIM_Input_Capture_Prescaler */
uint16_t TIM_ICFilter; /* Specifies the input capture filter.
This parameter can be a number between 0x0 and 0xF */
} TIM_ICInitTypeDef;
/* BDTR structure definition */
typedef struct
{
uint16_t TIM_OSSRState; /* Specifies the Off-State selection used in Run mode.
This parameter can be a value of @ref OSSR_Off_State_Selection_for_Run_mode_state */
uint16_t TIM_OSSIState; /* Specifies the Off-State used in Idle state.
This parameter can be a value of @ref OSSI_Off_State_Selection_for_Idle_mode_state */
uint16_t TIM_LOCKLevel; /* Specifies the LOCK level parameters.
This parameter can be a value of @ref Lock_level */
uint16_t TIM_DeadTime; /* Specifies the delay time between the switching-off and the
switching-on of the outputs.
This parameter can be a number between 0x00 and 0xFF */
uint16_t TIM_Break; /* Specifies whether the TIM Break input is enabled or not.
This parameter can be a value of @ref Break_Input_enable_disable */
uint16_t TIM_BreakPolarity; /* Specifies the TIM Break Input pin polarity.
This parameter can be a value of @ref Break_Polarity */
uint16_t TIM_AutomaticOutput; /* Specifies whether the TIM Automatic Output feature is enabled or not.
This parameter can be a value of @ref TIM_AOE_Bit_Set_Reset */
} TIM_BDTRInitTypeDef;
/* TIM_Output_Compare_and_PWM_modes */
#define TIM_OCMode_Timing ((uint16_t)0x0000)
#define TIM_OCMode_Active ((uint16_t)0x0010)
#define TIM_OCMode_Inactive ((uint16_t)0x0020)
#define TIM_OCMode_Toggle ((uint16_t)0x0030)
#define TIM_OCMode_PWM1 ((uint16_t)0x0060)
#define TIM_OCMode_PWM2 ((uint16_t)0x0070)
/* TIM_One_Pulse_Mode */
#define TIM_OPMode_Single ((uint16_t)0x0008)
#define TIM_OPMode_Repetitive ((uint16_t)0x0000)
/* TIM_Channel */
#define TIM_Channel_1 ((uint16_t)0x0000)
#define TIM_Channel_2 ((uint16_t)0x0004)
#define TIM_Channel_3 ((uint16_t)0x0008)
#define TIM_Channel_4 ((uint16_t)0x000C)
/* TIM_Clock_Division_CKD */
#define TIM_CKD_DIV1 ((uint16_t)0x0000)
#define TIM_CKD_DIV2 ((uint16_t)0x0100)
#define TIM_CKD_DIV4 ((uint16_t)0x0200)
/* TIM_Counter_Mode */
#define TIM_CounterMode_Up ((uint16_t)0x0000)
#define TIM_CounterMode_Down ((uint16_t)0x0010)
#define TIM_CounterMode_CenterAligned1 ((uint16_t)0x0020)
#define TIM_CounterMode_CenterAligned2 ((uint16_t)0x0040)
#define TIM_CounterMode_CenterAligned3 ((uint16_t)0x0060)
/* TIM_Output_Compare_Polarity */
#define TIM_OCPolarity_High ((uint16_t)0x0000)
#define TIM_OCPolarity_Low ((uint16_t)0x0002)
/* TIM_Output_Compare_N_Polarity */
#define TIM_OCNPolarity_High ((uint16_t)0x0000)
#define TIM_OCNPolarity_Low ((uint16_t)0x0008)
/* TIM_Output_Compare_state */
#define TIM_OutputState_Disable ((uint16_t)0x0000)
#define TIM_OutputState_Enable ((uint16_t)0x0001)
/* TIM_Output_Compare_N_state */
#define TIM_OutputNState_Disable ((uint16_t)0x0000)
#define TIM_OutputNState_Enable ((uint16_t)0x0004)
/* TIM_Capture_Compare_state */
#define TIM_CCx_Enable ((uint16_t)0x0001)
#define TIM_CCx_Disable ((uint16_t)0x0000)
/* TIM_Capture_Compare_N_state */
#define TIM_CCxN_Enable ((uint16_t)0x0004)
#define TIM_CCxN_Disable ((uint16_t)0x0000)
/* Break_Input_enable_disable */
#define TIM_Break_Enable ((uint16_t)0x1000)
#define TIM_Break_Disable ((uint16_t)0x0000)
/* Break_Polarity */
#define TIM_BreakPolarity_Low ((uint16_t)0x0000)
#define TIM_BreakPolarity_High ((uint16_t)0x2000)
/* TIM_AOE_Bit_Set_Reset */
#define TIM_AutomaticOutput_Enable ((uint16_t)0x4000)
#define TIM_AutomaticOutput_Disable ((uint16_t)0x0000)
/* Lock_level */
#define TIM_LOCKLevel_OFF ((uint16_t)0x0000)
#define TIM_LOCKLevel_1 ((uint16_t)0x0100)
#define TIM_LOCKLevel_2 ((uint16_t)0x0200)
#define TIM_LOCKLevel_3 ((uint16_t)0x0300)
/* OSSI_Off_State_Selection_for_Idle_mode_state */
#define TIM_OSSIState_Enable ((uint16_t)0x0400)
#define TIM_OSSIState_Disable ((uint16_t)0x0000)
/* OSSR_Off_State_Selection_for_Run_mode_state */
#define TIM_OSSRState_Enable ((uint16_t)0x0800)
#define TIM_OSSRState_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Idle_State */
#define TIM_OCIdleState_Set ((uint16_t)0x0100)
#define TIM_OCIdleState_Reset ((uint16_t)0x0000)
/* TIM_Output_Compare_N_Idle_State */
#define TIM_OCNIdleState_Set ((uint16_t)0x0200)
#define TIM_OCNIdleState_Reset ((uint16_t)0x0000)
/* TIM_Input_Capture_Polarity */
#define TIM_ICPolarity_Rising ((uint16_t)0x0000)
#define TIM_ICPolarity_Falling ((uint16_t)0x0002)
#define TIM_ICPolarity_BothEdge ((uint16_t)0x000A)
/* TIM_Input_Capture_Selection */
#define TIM_ICSelection_DirectTI ((uint16_t)0x0001) /* TIM Input 1, 2, 3 or 4 is selected to be \
connected to IC1, IC2, IC3 or IC4, respectively */
#define TIM_ICSelection_IndirectTI ((uint16_t)0x0002) /* TIM Input 1, 2, 3 or 4 is selected to be \
connected to IC2, IC1, IC4 or IC3, respectively. */
#define TIM_ICSelection_TRC ((uint16_t)0x0003) /* TIM Input 1, 2, 3 or 4 is selected to be connected to TRC. */
/* TIM_Input_Capture_Prescaler */
#define TIM_ICPSC_DIV1 ((uint16_t)0x0000) /* Capture performed each time an edge is detected on the capture input. */
#define TIM_ICPSC_DIV2 ((uint16_t)0x0004) /* Capture performed once every 2 events. */
#define TIM_ICPSC_DIV4 ((uint16_t)0x0008) /* Capture performed once every 4 events. */
#define TIM_ICPSC_DIV8 ((uint16_t)0x000C) /* Capture performed once every 8 events. */
/* TIM_interrupt_sources */
#define TIM_IT_Update ((uint16_t)0x0001)
#define TIM_IT_CC1 ((uint16_t)0x0002)
#define TIM_IT_CC2 ((uint16_t)0x0004)
#define TIM_IT_CC3 ((uint16_t)0x0008)
#define TIM_IT_CC4 ((uint16_t)0x0010)
#define TIM_IT_COM ((uint16_t)0x0020)
#define TIM_IT_Trigger ((uint16_t)0x0040)
#define TIM_IT_Break ((uint16_t)0x0080)
/* TIM_DMA_Base_address */
#define TIM_DMABase_CR1 ((uint16_t)0x0000)
#define TIM_DMABase_CR2 ((uint16_t)0x0001)
#define TIM_DMABase_SMCR ((uint16_t)0x0002)
#define TIM_DMABase_DIER ((uint16_t)0x0003)
#define TIM_DMABase_SR ((uint16_t)0x0004)
#define TIM_DMABase_EGR ((uint16_t)0x0005)
#define TIM_DMABase_CCMR1 ((uint16_t)0x0006)
#define TIM_DMABase_CCMR2 ((uint16_t)0x0007)
#define TIM_DMABase_CCER ((uint16_t)0x0008)
#define TIM_DMABase_CNT ((uint16_t)0x0009)
#define TIM_DMABase_PSC ((uint16_t)0x000A)
#define TIM_DMABase_ARR ((uint16_t)0x000B)
#define TIM_DMABase_RCR ((uint16_t)0x000C)
#define TIM_DMABase_CCR1 ((uint16_t)0x000D)
#define TIM_DMABase_CCR2 ((uint16_t)0x000E)
#define TIM_DMABase_CCR3 ((uint16_t)0x000F)
#define TIM_DMABase_CCR4 ((uint16_t)0x0010)
#define TIM_DMABase_BDTR ((uint16_t)0x0011)
#define TIM_DMABase_DCR ((uint16_t)0x0012)
/* TIM_DMA_Burst_Length */
#define TIM_DMABurstLength_1Transfer ((uint16_t)0x0000)
#define TIM_DMABurstLength_2Transfers ((uint16_t)0x0100)
#define TIM_DMABurstLength_3Transfers ((uint16_t)0x0200)
#define TIM_DMABurstLength_4Transfers ((uint16_t)0x0300)
#define TIM_DMABurstLength_5Transfers ((uint16_t)0x0400)
#define TIM_DMABurstLength_6Transfers ((uint16_t)0x0500)
#define TIM_DMABurstLength_7Transfers ((uint16_t)0x0600)
#define TIM_DMABurstLength_8Transfers ((uint16_t)0x0700)
#define TIM_DMABurstLength_9Transfers ((uint16_t)0x0800)
#define TIM_DMABurstLength_10Transfers ((uint16_t)0x0900)
#define TIM_DMABurstLength_11Transfers ((uint16_t)0x0A00)
#define TIM_DMABurstLength_12Transfers ((uint16_t)0x0B00)
#define TIM_DMABurstLength_13Transfers ((uint16_t)0x0C00)
#define TIM_DMABurstLength_14Transfers ((uint16_t)0x0D00)
#define TIM_DMABurstLength_15Transfers ((uint16_t)0x0E00)
#define TIM_DMABurstLength_16Transfers ((uint16_t)0x0F00)
#define TIM_DMABurstLength_17Transfers ((uint16_t)0x1000)
#define TIM_DMABurstLength_18Transfers ((uint16_t)0x1100)
/* TIM_DMA_sources */
#define TIM_DMA_Update ((uint16_t)0x0100)
#define TIM_DMA_CC1 ((uint16_t)0x0200)
#define TIM_DMA_CC2 ((uint16_t)0x0400)
#define TIM_DMA_CC3 ((uint16_t)0x0800)
#define TIM_DMA_CC4 ((uint16_t)0x1000)
#define TIM_DMA_COM ((uint16_t)0x2000)
#define TIM_DMA_Trigger ((uint16_t)0x4000)
/* TIM_External_Trigger_Prescaler */
#define TIM_ExtTRGPSC_OFF ((uint16_t)0x0000)
#define TIM_ExtTRGPSC_DIV2 ((uint16_t)0x1000)
#define TIM_ExtTRGPSC_DIV4 ((uint16_t)0x2000)
#define TIM_ExtTRGPSC_DIV8 ((uint16_t)0x3000)
/* TIM_Internal_Trigger_Selection */
#define TIM_TS_ITR0 ((uint16_t)0x0000)
#define TIM_TS_ITR1 ((uint16_t)0x0010)
#define TIM_TS_ITR2 ((uint16_t)0x0020)
#define TIM_TS_ITR3 ((uint16_t)0x0030)
#define TIM_TS_TI1F_ED ((uint16_t)0x0040)
#define TIM_TS_TI1FP1 ((uint16_t)0x0050)
#define TIM_TS_TI2FP2 ((uint16_t)0x0060)
#define TIM_TS_ETRF ((uint16_t)0x0070)
/* TIM_TIx_External_Clock_Source */
#define TIM_TIxExternalCLK1Source_TI1 ((uint16_t)0x0050)
#define TIM_TIxExternalCLK1Source_TI2 ((uint16_t)0x0060)
#define TIM_TIxExternalCLK1Source_TI1ED ((uint16_t)0x0040)
/* TIM_External_Trigger_Polarity */
#define TIM_ExtTRGPolarity_Inverted ((uint16_t)0x8000)
#define TIM_ExtTRGPolarity_NonInverted ((uint16_t)0x0000)
/* TIM_Prescaler_Reload_Mode */
#define TIM_PSCReloadMode_Update ((uint16_t)0x0000)
#define TIM_PSCReloadMode_Immediate ((uint16_t)0x0001)
/* TIM_Forced_Action */
#define TIM_ForcedAction_Active ((uint16_t)0x0050)
#define TIM_ForcedAction_InActive ((uint16_t)0x0040)
/* TIM_Encoder_Mode */
#define TIM_EncoderMode_TI1 ((uint16_t)0x0001)
#define TIM_EncoderMode_TI2 ((uint16_t)0x0002)
#define TIM_EncoderMode_TI12 ((uint16_t)0x0003)
/* TIM_Event_Source */
#define TIM_EventSource_Update ((uint16_t)0x0001)
#define TIM_EventSource_CC1 ((uint16_t)0x0002)
#define TIM_EventSource_CC2 ((uint16_t)0x0004)
#define TIM_EventSource_CC3 ((uint16_t)0x0008)
#define TIM_EventSource_CC4 ((uint16_t)0x0010)
#define TIM_EventSource_COM ((uint16_t)0x0020)
#define TIM_EventSource_Trigger ((uint16_t)0x0040)
#define TIM_EventSource_Break ((uint16_t)0x0080)
/* TIM_Update_Source */
#define TIM_UpdateSource_Global ((uint16_t)0x0000) /* Source of update is the counter overflow/underflow \
or the setting of UG bit, or an update generation \
through the slave mode controller. */
#define TIM_UpdateSource_Regular ((uint16_t)0x0001) /* Source of update is counter overflow/underflow. */
/* TIM_Output_Compare_Preload_State */
#define TIM_OCPreload_Enable ((uint16_t)0x0008)
#define TIM_OCPreload_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Fast_State */
#define TIM_OCFast_Enable ((uint16_t)0x0004)
#define TIM_OCFast_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Clear_State */
#define TIM_OCClear_Enable ((uint16_t)0x0080)
#define TIM_OCClear_Disable ((uint16_t)0x0000)
/* TIM_Trigger_Output_Source */
#define TIM_TRGOSource_Reset ((uint16_t)0x0000)
#define TIM_TRGOSource_Enable ((uint16_t)0x0010)
#define TIM_TRGOSource_Update ((uint16_t)0x0020)
#define TIM_TRGOSource_OC1 ((uint16_t)0x0030)
#define TIM_TRGOSource_OC1Ref ((uint16_t)0x0040)
#define TIM_TRGOSource_OC2Ref ((uint16_t)0x0050)
#define TIM_TRGOSource_OC3Ref ((uint16_t)0x0060)
#define TIM_TRGOSource_OC4Ref ((uint16_t)0x0070)
/* TIM_Slave_Mode */
#define TIM_SlaveMode_Reset ((uint16_t)0x0004)
#define TIM_SlaveMode_Gated ((uint16_t)0x0005)
#define TIM_SlaveMode_Trigger ((uint16_t)0x0006)
#define TIM_SlaveMode_External1 ((uint16_t)0x0007)
/* TIM_Master_Slave_Mode */
#define TIM_MasterSlaveMode_Enable ((uint16_t)0x0080)
#define TIM_MasterSlaveMode_Disable ((uint16_t)0x0000)
/* TIM_Flags */
#define TIM_FLAG_Update ((uint16_t)0x0001)
#define TIM_FLAG_CC1 ((uint16_t)0x0002)
#define TIM_FLAG_CC2 ((uint16_t)0x0004)
#define TIM_FLAG_CC3 ((uint16_t)0x0008)
#define TIM_FLAG_CC4 ((uint16_t)0x0010)
#define TIM_FLAG_COM ((uint16_t)0x0020)
#define TIM_FLAG_Trigger ((uint16_t)0x0040)
#define TIM_FLAG_Break ((uint16_t)0x0080)
#define TIM_FLAG_CC1OF ((uint16_t)0x0200)
#define TIM_FLAG_CC2OF ((uint16_t)0x0400)
#define TIM_FLAG_CC3OF ((uint16_t)0x0800)
#define TIM_FLAG_CC4OF ((uint16_t)0x1000)
/* TIM_Legacy */
#define TIM_DMABurstLength_1Byte TIM_DMABurstLength_1Transfer
#define TIM_DMABurstLength_2Bytes TIM_DMABurstLength_2Transfers
#define TIM_DMABurstLength_3Bytes TIM_DMABurstLength_3Transfers
#define TIM_DMABurstLength_4Bytes TIM_DMABurstLength_4Transfers
#define TIM_DMABurstLength_5Bytes TIM_DMABurstLength_5Transfers
#define TIM_DMABurstLength_6Bytes TIM_DMABurstLength_6Transfers
#define TIM_DMABurstLength_7Bytes TIM_DMABurstLength_7Transfers
#define TIM_DMABurstLength_8Bytes TIM_DMABurstLength_8Transfers
#define TIM_DMABurstLength_9Bytes TIM_DMABurstLength_9Transfers
#define TIM_DMABurstLength_10Bytes TIM_DMABurstLength_10Transfers
#define TIM_DMABurstLength_11Bytes TIM_DMABurstLength_11Transfers
#define TIM_DMABurstLength_12Bytes TIM_DMABurstLength_12Transfers
#define TIM_DMABurstLength_13Bytes TIM_DMABurstLength_13Transfers
#define TIM_DMABurstLength_14Bytes TIM_DMABurstLength_14Transfers
#define TIM_DMABurstLength_15Bytes TIM_DMABurstLength_15Transfers
#define TIM_DMABurstLength_16Bytes TIM_DMABurstLength_16Transfers
#define TIM_DMABurstLength_17Bytes TIM_DMABurstLength_17Transfers
#define TIM_DMABurstLength_18Bytes TIM_DMABurstLength_18Transfers
void TIM_DeInit(TIM_TypeDef *TIMx);
void TIM_TimeBaseInit(TIM_TypeDef *TIMx, TIM_TimeBaseInitTypeDef *TIM_TimeBaseInitStruct);
void TIM_OC1Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC2Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC3Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC4Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_ICInit(TIM_TypeDef *TIMx, TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_PWMIConfig(TIM_TypeDef *TIMx, TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_BDTRConfig(TIM_TypeDef *TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef *TIM_TimeBaseInitStruct);
void TIM_OCStructInit(TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_ICStructInit(TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_BDTRStructInit(TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
void TIM_Cmd(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_CtrlPWMOutputs(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_ITConfig(TIM_TypeDef *TIMx, uint16_t TIM_IT, FunctionalState NewState);
void TIM_GenerateEvent(TIM_TypeDef *TIMx, uint16_t TIM_EventSource);
void TIM_DMAConfig(TIM_TypeDef *TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength);
void TIM_DMACmd(TIM_TypeDef *TIMx, uint16_t TIM_DMASource, FunctionalState NewState);
void TIM_InternalClockConfig(TIM_TypeDef *TIMx);
void TIM_ITRxExternalClockConfig(TIM_TypeDef *TIMx, uint16_t TIM_InputTriggerSource);
void TIM_TIxExternalClockConfig(TIM_TypeDef *TIMx, uint16_t TIM_TIxExternalCLKSource,
uint16_t TIM_ICPolarity, uint16_t ICFilter);
void TIM_ETRClockMode1Config(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
uint16_t ExtTRGFilter);
void TIM_ETRClockMode2Config(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler,
uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
void TIM_ETRConfig(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
uint16_t ExtTRGFilter);
void TIM_PrescalerConfig(TIM_TypeDef *TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode);
void TIM_CounterModeConfig(TIM_TypeDef *TIMx, uint16_t TIM_CounterMode);
void TIM_SelectInputTrigger(TIM_TypeDef *TIMx, uint16_t TIM_InputTriggerSource);
void TIM_EncoderInterfaceConfig(TIM_TypeDef *TIMx, uint16_t TIM_EncoderMode,
uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity);
void TIM_ForcedOC1Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC2Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC3Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC4Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ARRPreloadConfig(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectCOM(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectCCDMA(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_CCPreloadControl(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_OC1PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC2PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC3PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC4PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC1FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC2FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC3FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC4FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_ClearOC1Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC2Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC3Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC4Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_OC1PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC1NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC2PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC2NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC3PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC3NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC4PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_CCxCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx);
void TIM_CCxNCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN);
void TIM_SelectOCxM(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode);
void TIM_UpdateDisableConfig(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_UpdateRequestConfig(TIM_TypeDef *TIMx, uint16_t TIM_UpdateSource);
void TIM_SelectHallSensor(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectOnePulseMode(TIM_TypeDef *TIMx, uint16_t TIM_OPMode);
void TIM_SelectOutputTrigger(TIM_TypeDef *TIMx, uint16_t TIM_TRGOSource);
void TIM_SelectSlaveMode(TIM_TypeDef *TIMx, uint16_t TIM_SlaveMode);
void TIM_SelectMasterSlaveMode(TIM_TypeDef *TIMx, uint16_t TIM_MasterSlaveMode);
void TIM_SetCounter(TIM_TypeDef *TIMx, uint16_t Counter);
void TIM_SetAutoreload(TIM_TypeDef *TIMx, uint16_t Autoreload);
void TIM_SetCompare1(TIM_TypeDef *TIMx, uint16_t Compare1);
void TIM_SetCompare2(TIM_TypeDef *TIMx, uint16_t Compare2);
void TIM_SetCompare3(TIM_TypeDef *TIMx, uint16_t Compare3);
void TIM_SetCompare4(TIM_TypeDef *TIMx, uint16_t Compare4);
void TIM_SetIC1Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC2Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC3Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC4Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetClockDivision(TIM_TypeDef *TIMx, uint16_t TIM_CKD);
uint16_t TIM_GetCapture1(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture2(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture3(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture4(TIM_TypeDef *TIMx);
uint16_t TIM_GetCounter(TIM_TypeDef *TIMx);
uint16_t TIM_GetPrescaler(TIM_TypeDef *TIMx);
FlagStatus TIM_GetFlagStatus(TIM_TypeDef *TIMx, uint16_t TIM_FLAG);
void TIM_ClearFlag(TIM_TypeDef *TIMx, uint16_t TIM_FLAG);
ITStatus TIM_GetITStatus(TIM_TypeDef *TIMx, uint16_t TIM_IT);
void TIM_ClearITPendingBit(TIM_TypeDef *TIMx, uint16_t TIM_IT);
void TIM_IndicateCaptureLevelCmd(TIM_TypeDef *TIMx, FunctionalState NewState);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_TIM_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_usart.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* USART firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_USART_H
#define __CH32V00x_USART_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* USART Init Structure definition */
typedef struct
{
uint32_t USART_BaudRate; /* This member configures the USART communication baud rate.
The baud rate is computed using the following formula:
- IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
- FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
uint16_t USART_WordLength; /* Specifies the number of data bits transmitted or received in a frame.
This parameter can be a value of @ref USART_Word_Length */
uint16_t USART_StopBits; /* Specifies the number of stop bits transmitted.
This parameter can be a value of @ref USART_Stop_Bits */
uint16_t USART_Parity; /* Specifies the parity mode.
This parameter can be a value of @ref USART_Parity
@note When parity is enabled, the computed parity is inserted
at the MSB position of the transmitted data (9th bit when
the word length is set to 9 data bits; 8th bit when the
word length is set to 8 data bits). */
uint16_t USART_Mode; /* Specifies wether the Receive or Transmit mode is enabled or disabled.
This parameter can be a value of @ref USART_Mode */
uint16_t USART_HardwareFlowControl; /* Specifies wether the hardware flow control mode is enabled
or disabled.
This parameter can be a value of @ref USART_Hardware_Flow_Control */
} USART_InitTypeDef;
/* USART Clock Init Structure definition */
typedef struct
{
uint16_t USART_Clock; /* Specifies whether the USART clock is enabled or disabled.
This parameter can be a value of @ref USART_Clock */
uint16_t USART_CPOL; /* Specifies the steady state value of the serial clock.
This parameter can be a value of @ref USART_Clock_Polarity */
uint16_t USART_CPHA; /* Specifies the clock transition on which the bit capture is made.
This parameter can be a value of @ref USART_Clock_Phase */
uint16_t USART_LastBit; /* Specifies whether the clock pulse corresponding to the last transmitted
data bit (MSB) has to be output on the SCLK pin in synchronous mode.
This parameter can be a value of @ref USART_Last_Bit */
} USART_ClockInitTypeDef;
/* USART_Word_Length */
#define USART_WordLength_8b ((uint16_t)0x0000)
#define USART_WordLength_9b ((uint16_t)0x1000)
/* USART_Stop_Bits */
#define USART_StopBits_1 ((uint16_t)0x0000)
#define USART_StopBits_0_5 ((uint16_t)0x1000)
#define USART_StopBits_2 ((uint16_t)0x2000)
#define USART_StopBits_1_5 ((uint16_t)0x3000)
/* USART_Parity */
#define USART_Parity_No ((uint16_t)0x0000)
#define USART_Parity_Even ((uint16_t)0x0400)
#define USART_Parity_Odd ((uint16_t)0x0600)
/* USART_Mode */
#define USART_Mode_Rx ((uint16_t)0x0004)
#define USART_Mode_Tx ((uint16_t)0x0008)
/* USART_Hardware_Flow_Control */
#define USART_HardwareFlowControl_None ((uint16_t)0x0000)
#define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
#define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
#define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
/* USART_Clock */
#define USART_Clock_Disable ((uint16_t)0x0000)
#define USART_Clock_Enable ((uint16_t)0x0800)
/* USART_Clock_Polarity */
#define USART_CPOL_Low ((uint16_t)0x0000)
#define USART_CPOL_High ((uint16_t)0x0400)
/* USART_Clock_Phase */
#define USART_CPHA_1Edge ((uint16_t)0x0000)
#define USART_CPHA_2Edge ((uint16_t)0x0200)
/* USART_Last_Bit */
#define USART_LastBit_Disable ((uint16_t)0x0000)
#define USART_LastBit_Enable ((uint16_t)0x0100)
/* USART_Interrupt_definition */
#define USART_IT_PE ((uint16_t)0x0028)
#define USART_IT_TXE ((uint16_t)0x0727)
#define USART_IT_TC ((uint16_t)0x0626)
#define USART_IT_RXNE ((uint16_t)0x0525)
#define USART_IT_ORE_RX ((uint16_t)0x0325)
#define USART_IT_IDLE ((uint16_t)0x0424)
#define USART_IT_LBD ((uint16_t)0x0846)
#define USART_IT_CTS ((uint16_t)0x096A)
#define USART_IT_ERR ((uint16_t)0x0060)
#define USART_IT_ORE_ER ((uint16_t)0x0360)
#define USART_IT_NE ((uint16_t)0x0260)
#define USART_IT_FE ((uint16_t)0x0160)
#define USART_IT_ORE USART_IT_ORE_ER
/* USART_DMA_Requests */
#define USART_DMAReq_Tx ((uint16_t)0x0080)
#define USART_DMAReq_Rx ((uint16_t)0x0040)
/* USART_WakeUp_methods */
#define USART_WakeUp_IdleLine ((uint16_t)0x0000)
#define USART_WakeUp_AddressMark ((uint16_t)0x0800)
/* USART_LIN_Break_Detection_Length */
#define USART_LINBreakDetectLength_10b ((uint16_t)0x0000)
#define USART_LINBreakDetectLength_11b ((uint16_t)0x0020)
/* USART_IrDA_Low_Power */
#define USART_IrDAMode_LowPower ((uint16_t)0x0004)
#define USART_IrDAMode_Normal ((uint16_t)0x0000)
/* USART_Flags */
#define USART_FLAG_CTS ((uint16_t)0x0200)
#define USART_FLAG_LBD ((uint16_t)0x0100)
#define USART_FLAG_TXE ((uint16_t)0x0080)
#define USART_FLAG_TC ((uint16_t)0x0040)
#define USART_FLAG_RXNE ((uint16_t)0x0020)
#define USART_FLAG_IDLE ((uint16_t)0x0010)
#define USART_FLAG_ORE ((uint16_t)0x0008)
#define USART_FLAG_NE ((uint16_t)0x0004)
#define USART_FLAG_FE ((uint16_t)0x0002)
#define USART_FLAG_PE ((uint16_t)0x0001)
void USART_DeInit(USART_TypeDef *USARTx);
void USART_Init(USART_TypeDef *USARTx, USART_InitTypeDef *USART_InitStruct);
void USART_StructInit(USART_InitTypeDef *USART_InitStruct);
void USART_ClockInit(USART_TypeDef *USARTx, USART_ClockInitTypeDef *USART_ClockInitStruct);
void USART_ClockStructInit(USART_ClockInitTypeDef *USART_ClockInitStruct);
void USART_Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_ITConfig(USART_TypeDef *USARTx, uint16_t USART_IT, FunctionalState NewState);
void USART_DMACmd(USART_TypeDef *USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
void USART_SetAddress(USART_TypeDef *USARTx, uint8_t USART_Address);
void USART_WakeUpConfig(USART_TypeDef *USARTx, uint16_t USART_WakeUp);
void USART_ReceiverWakeUpCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_LINBreakDetectLengthConfig(USART_TypeDef *USARTx, uint16_t USART_LINBreakDetectLength);
void USART_LINCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_SendData(USART_TypeDef *USARTx, uint16_t Data);
uint16_t USART_ReceiveData(USART_TypeDef *USARTx);
void USART_SendBreak(USART_TypeDef *USARTx);
void USART_SetGuardTime(USART_TypeDef *USARTx, uint8_t USART_GuardTime);
void USART_SetPrescaler(USART_TypeDef *USARTx, uint8_t USART_Prescaler);
void USART_SmartCardCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_SmartCardNACKCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_HalfDuplexCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_OverSampling8Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_OneBitMethodCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_IrDAConfig(USART_TypeDef *USARTx, uint16_t USART_IrDAMode);
void USART_IrDACmd(USART_TypeDef *USARTx, FunctionalState NewState);
FlagStatus USART_GetFlagStatus(USART_TypeDef *USARTx, uint16_t USART_FLAG);
void USART_ClearFlag(USART_TypeDef *USARTx, uint16_t USART_FLAG);
ITStatus USART_GetITStatus(USART_TypeDef *USARTx, uint16_t USART_IT);
void USART_ClearITPendingBit(USART_TypeDef *USARTx, uint16_t USART_IT);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_USART_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_wwdg.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the WWDG
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_WWDG_H
#define __CH32V00x_WWDG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* WWDG_Prescaler */
#define WWDG_Prescaler_1 ((uint32_t)0x00000000)
#define WWDG_Prescaler_2 ((uint32_t)0x00000080)
#define WWDG_Prescaler_4 ((uint32_t)0x00000100)
#define WWDG_Prescaler_8 ((uint32_t)0x00000180)
void WWDG_DeInit(void);
void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
void WWDG_SetWindowValue(uint8_t WindowValue);
void WWDG_EnableIT(void);
void WWDG_SetCounter(uint8_t Counter);
void WWDG_Enable(uint8_t Counter);
FlagStatus WWDG_GetFlagStatus(void);
void WWDG_ClearFlag(void);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_WWDG_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dbgmcu.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the DBGMCU firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_dbgmcu.h>
#define IDCODE_DEVID_MASK ((uint32_t)0x0000FFFF)
/*********************************************************************
* @fn DBGMCU_GetREVID
*
* @brief Returns the device revision identifier.
*
* @return Revision identifier.
*/
uint32_t DBGMCU_GetREVID(void)
{
return ((*(uint32_t *)0x1FFFF7C4) >> 16);
}
/*********************************************************************
* @fn DBGMCU_GetDEVID
*
* @brief Returns the device identifier.
*
* @return Device identifier.
*/
uint32_t DBGMCU_GetDEVID(void)
{
return ((*(uint32_t *)0x1FFFF7C4) & IDCODE_DEVID_MASK);
}
/*********************************************************************
* @fn __get_DEBUG_CR
*
* @brief Return the DEBUGE Control Register
*
* @return DEBUGE Control value
*/
uint32_t __get_DEBUG_CR(void)
{
uint32_t result;
__asm volatile("csrr %0,""0x7C0" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_DEBUG_CR
*
* @brief Set the DEBUGE Control Register
*
* @param value - set DEBUGE Control value
*
* @return none
*/
void __set_DEBUG_CR(uint32_t value)
{
__asm volatile("csrw 0x7C0, %0" : : "r"(value));
}
/*********************************************************************
* @fn DBGMCU_Config
*
* @brief Configures the specified peripheral and low power mode behavior
* when the MCU under Debug mode.
*
* @param DBGMCU_Periph - specifies the peripheral and low power mode.
* DBGMCU_IWDG_STOP - Debug IWDG stopped when Core is halted
* DBGMCU_WWDG_STOP - Debug WWDG stopped when Core is halted
* DBGMCU_TIM1_STOP - TIM1 counter stopped when Core is halted
* DBGMCU_TIM2_STOP - TIM2 counter stopped when Core is halted
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
uint32_t val;
if(NewState != DISABLE)
{
__set_DEBUG_CR(DBGMCU_Periph);
}
else
{
val = __get_DEBUG_CR();
val &= ~(uint32_t)DBGMCU_Periph;
__set_DEBUG_CR(val);
}
}
/*********************************************************************
* @fn DBGMCU_GetCHIPID
*
* @brief Returns the CHIP identifier.
*
* @return Device identifier.
* ChipID List-
* CH32V003F4P6-0x003005x0
* CH32V003F4U6-0x003105x0
* CH32V003A4M6-0x003205x0
* CH32V003J4M6-0x003305x0
*/
uint32_t DBGMCU_GetCHIPID( void )
{
return( *( uint32_t * )0x1FFFF7C4 );
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dma.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the DMA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_dma.h>
#include <ch32v00x_rcc.h>
/* DMA1 Channelx interrupt pending bit masks */
#define DMA1_Channel1_IT_Mask ((uint32_t)(DMA_GIF1 | DMA_TCIF1 | DMA_HTIF1 | DMA_TEIF1))
#define DMA1_Channel2_IT_Mask ((uint32_t)(DMA_GIF2 | DMA_TCIF2 | DMA_HTIF2 | DMA_TEIF2))
#define DMA1_Channel3_IT_Mask ((uint32_t)(DMA_GIF3 | DMA_TCIF3 | DMA_HTIF3 | DMA_TEIF3))
#define DMA1_Channel4_IT_Mask ((uint32_t)(DMA_GIF4 | DMA_TCIF4 | DMA_HTIF4 | DMA_TEIF4))
#define DMA1_Channel5_IT_Mask ((uint32_t)(DMA_GIF5 | DMA_TCIF5 | DMA_HTIF5 | DMA_TEIF5))
#define DMA1_Channel6_IT_Mask ((uint32_t)(DMA_GIF6 | DMA_TCIF6 | DMA_HTIF6 | DMA_TEIF6))
#define DMA1_Channel7_IT_Mask ((uint32_t)(DMA_GIF7 | DMA_TCIF7 | DMA_HTIF7 | DMA_TEIF7))
/* DMA2 FLAG mask */
#define FLAG_Mask ((uint32_t)0x10000000)
/* DMA registers Masks */
#define CFGR_CLEAR_Mask ((uint32_t)0xFFFF800F)
/*********************************************************************
* @fn DMA_DeInit
*
* @brief Deinitializes the DMAy Channelx registers to their default
* reset values.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
*
* @return none
*/
void DMA_DeInit(DMA_Channel_TypeDef *DMAy_Channelx)
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
DMAy_Channelx->CFGR = 0;
DMAy_Channelx->CNTR = 0;
DMAy_Channelx->PADDR = 0;
DMAy_Channelx->MADDR = 0;
if(DMAy_Channelx == DMA1_Channel1)
{
DMA1->INTFCR |= DMA1_Channel1_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel2)
{
DMA1->INTFCR |= DMA1_Channel2_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel3)
{
DMA1->INTFCR |= DMA1_Channel3_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel4)
{
DMA1->INTFCR |= DMA1_Channel4_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel5)
{
DMA1->INTFCR |= DMA1_Channel5_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel6)
{
DMA1->INTFCR |= DMA1_Channel6_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel7)
{
DMA1->INTFCR |= DMA1_Channel7_IT_Mask;
}
}
/*********************************************************************
* @fn DMA_Init
*
* @brief Initializes the DMAy Channelx according to the specified
* parameters in the DMA_InitStruct.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_Init(DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct)
{
uint32_t tmpreg = 0;
tmpreg = DMAy_Channelx->CFGR;
tmpreg &= CFGR_CLEAR_Mask;
tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
DMAy_Channelx->CFGR = tmpreg;
DMAy_Channelx->CNTR = DMA_InitStruct->DMA_BufferSize;
DMAy_Channelx->PADDR = DMA_InitStruct->DMA_PeripheralBaseAddr;
DMAy_Channelx->MADDR = DMA_InitStruct->DMA_MemoryBaseAddr;
}
/*********************************************************************
* @fn DMA_StructInit
*
* @brief Fills each DMA_InitStruct member with its default value.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_StructInit(DMA_InitTypeDef *DMA_InitStruct)
{
DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
DMA_InitStruct->DMA_MemoryBaseAddr = 0;
DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStruct->DMA_BufferSize = 0;
DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
}
/*********************************************************************
* @fn DMA_Cmd
*
* @brief Enables or disables the specified DMAy Channelx.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_Cmd(DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_CFGR1_EN;
}
else
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
}
}
/*********************************************************************
* @fn DMA_ITConfig
*
* @brief Enables or disables the specified DMAy Channelx interrupts.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_IT - specifies the DMA interrupts sources to be enabled
* or disabled.
* DMA_IT_TC - Transfer complete interrupt mask
* DMA_IT_HT - Half transfer interrupt mask
* DMA_IT_TE - Transfer error interrupt mask
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_ITConfig(DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_IT;
}
else
{
DMAy_Channelx->CFGR &= ~DMA_IT;
}
}
/*********************************************************************
* @fn DMA_SetCurrDataCounter
*
* @brief Sets the number of data units in the current DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DataNumber - The number of data units in the current DMAy Channelx
* transfer.
*
* @return none
*/
void DMA_SetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber)
{
DMAy_Channelx->CNTR = DataNumber;
}
/*********************************************************************
* @fn DMA_GetCurrDataCounter
*
* @brief Returns the number of remaining data units in the current
* DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
*
* @return DataNumber - The number of remaining data units in the current
* DMAy Channelx transfer.
*/
uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx)
{
return ((uint16_t)(DMAy_Channelx->CNTR));
}
/*********************************************************************
* @fn DMA_GetFlagStatus
*
* @brief Checks whether the specified DMAy Channelx flag is set or not.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
*
* @return The new state of DMAy_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpreg = 0;
tmpreg = DMA1->INTFR;
if((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearFlag
*
* @brief Clears the DMAy Channelx's pending flags.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
*
* @return none
*/
void DMA_ClearFlag(uint32_t DMAy_FLAG)
{
DMA1->INTFCR = DMAy_FLAG;
}
/*********************************************************************
* @fn DMA_GetITStatus
*
* @brief Checks whether the specified DMAy Channelx interrupt has
* occurred or not.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
*
* @return The new state of DMAy_IT (SET or RESET).
*/
ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
{
ITStatus bitstatus = RESET;
uint32_t tmpreg = 0;
tmpreg = DMA1->INTFR;
if((tmpreg & DMAy_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearITPendingBit
*
* @brief Clears the DMAy Channelx's interrupt pending bits.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
*
* @return none
*/
void DMA_ClearITPendingBit(uint32_t DMAy_IT)
{
DMA1->INTFCR = DMAy_IT;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_exti.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the EXTI firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_exti.h>
/* No interrupt selected */
#define EXTI_LINENONE ((uint32_t)0x00000)
/*********************************************************************
* @fn EXTI_DeInit
*
* @brief Deinitializes the EXTI peripheral registers to their default
* reset values.
*
* @return none.
*/
void EXTI_DeInit(void)
{
EXTI->INTENR = 0x00000000;
EXTI->EVENR = 0x00000000;
EXTI->RTENR = 0x00000000;
EXTI->FTENR = 0x00000000;
EXTI->INTFR = 0x000FFFFF;
}
/*********************************************************************
* @fn EXTI_Init
*
* @brief Initializes the EXTI peripheral according to the specified
* parameters in the EXTI_InitStruct.
*
* @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct)
{
uint32_t tmp = 0;
tmp = (uint32_t)EXTI_BASE;
if(EXTI_InitStruct->EXTI_LineCmd != DISABLE)
{
EXTI->INTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->EVENR &= ~EXTI_InitStruct->EXTI_Line;
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
EXTI->RTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->FTENR &= ~EXTI_InitStruct->EXTI_Line;
if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
{
EXTI->RTENR |= EXTI_InitStruct->EXTI_Line;
EXTI->FTENR |= EXTI_InitStruct->EXTI_Line;
}
else
{
tmp = (uint32_t)EXTI_BASE;
tmp += EXTI_InitStruct->EXTI_Trigger;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
}
}
else
{
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp &= ~EXTI_InitStruct->EXTI_Line;
}
}
/*********************************************************************
* @fn EXTI_StructInit
*
* @brief Fills each EXTI_InitStruct member with its reset value.
*
* @param EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct)
{
EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStruct->EXTI_LineCmd = DISABLE;
}
/*********************************************************************
* @fn EXTI_GenerateSWInterrupt
*
* @brief Generates a Software interrupt.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none.
*/
void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
{
EXTI->SWIEVR |= EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetFlagStatus
*
* @brief Checks whether the specified EXTI line flag is set or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
{
FlagStatus bitstatus = RESET;
if((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearFlag
*
* @brief Clears the EXTI's line pending flags.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return None
*/
void EXTI_ClearFlag(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetITStatus
*
* @brief Checks whether the specified EXTI line is asserted or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
enablestatus = EXTI->INTENR & EXTI_Line;
if(((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearITPendingBit
*
* @brief Clears the EXTI's line pending bits.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none
*/
void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_gpio.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the GPIO firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_gpio.h>
#include <ch32v00x_rcc.h>
/* MASK */
#define LSB_MASK ((uint16_t)0xFFFF)
#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
#define DBGAFR_SDI_MASK ((uint32_t)0xF8FFFFFF)
#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
/*********************************************************************
* @fn GPIO_DeInit
*
* @brief Deinitializes the GPIOx peripheral registers to their default
* reset values.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return none
*/
void GPIO_DeInit(GPIO_TypeDef *GPIOx)
{
if(GPIOx == GPIOA)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
}
else if(GPIOx == GPIOC)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
}
else if(GPIOx == GPIOD)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
}
}
/*********************************************************************
* @fn GPIO_AFIODeInit
*
* @brief Deinitializes the Alternate Functions (remap, event control
* and EXTI configuration) registers to their default reset values.
*
* @return none
*/
void GPIO_AFIODeInit(void)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
}
/*********************************************************************
* @fn GPIO_Init
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure that
* contains the configuration information for the specified GPIO peripheral.
*
* @return none
*/
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
uint32_t tmpreg = 0x00, pinmask = 0x00;
currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
if((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
{
currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
}
if(((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
{
tmpreg = GPIOx->CFGLR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = ((uint32_t)0x01) << pinpos;
currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << pinpos);
}
else
{
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << pinpos);
}
}
}
}
GPIOx->CFGLR = tmpreg;
}
if(GPIO_InitStruct->GPIO_Pin > 0x00FF)
{
tmpreg = GPIOx->CFGHR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = (((uint32_t)0x01) << (pinpos + 0x08));
currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << (pinpos + 0x08));
}
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << (pinpos + 0x08));
}
}
}
GPIOx->CFGHR = tmpreg;
}
}
/*********************************************************************
* @fn GPIO_StructInit
*
* @brief Fills each GPIO_InitStruct member with its default
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure
* which will be initialized.
*
* @return none
*/
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct)
{
GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
}
/*********************************************************************
* @fn GPIO_ReadInputDataBit
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return The input port pin value.
*/
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->INDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadInputData
*
* @brief Reads the specified GPIO input data port.
*
* @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
*
* @return The input port pin value.
*/
uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->INDR);
}
/*********************************************************************
* @fn GPIO_ReadOutputDataBit
*
* @brief Reads the specified output data port bit.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->OUTDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadOutputData
*
* @brief Reads the specified GPIO output data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return GPIO output port pin value.
*/
uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->OUTDR);
}
/*********************************************************************
* @fn GPIO_SetBits
*
* @brief Sets the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BSHR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_ResetBits
*
* @brief Clears the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BCR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_WriteBit
*
* @brief Sets or clears the selected data port bit.
*
* @param GPIO_Pin - specifies the port bit to be written.
* This parameter can be one of GPIO_Pin_x where x can be (0..15).
* BitVal - specifies the value to be written to the selected bit.
* Bit_RESET - to clear the port pin.
* Bit_SET - to set the port pin.
*
* @return none
*/
void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
{
if(BitVal != Bit_RESET)
{
GPIOx->BSHR = GPIO_Pin;
}
else
{
GPIOx->BCR = GPIO_Pin;
}
}
/*********************************************************************
* @fn GPIO_Write
*
* @brief Writes data to the specified GPIO data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* PortVal - specifies the value to be written to the port output data register.
*
* @return none
*/
void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal)
{
GPIOx->OUTDR = PortVal;
}
/*********************************************************************
* @fn GPIO_PinLockConfig
*
* @brief Locks GPIO Pins configuration registers.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint32_t tmp = 0x00010000;
tmp |= GPIO_Pin;
GPIOx->LCKR = tmp;
GPIOx->LCKR = GPIO_Pin;
GPIOx->LCKR = tmp;
tmp = GPIOx->LCKR;
tmp = GPIOx->LCKR;
}
/*********************************************************************
* @fn GPIO_PinRemapConfig
*
* @brief Changes the mapping of the specified pin.
*
* @param GPIO_Remap - selects the pin to remap.
* GPIO_Remap_SPI1 - SPI1 Alternate Function mapping
* GPIO_PartialRemap_I2C1 - I2C1 Partial Alternate Function mapping
* GPIO_FullRemap_I2C1 - I2C1 Full Alternate Function mapping
* GPIO_PartialRemap1_USART1 - USART1 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_USART1 - USART1 Partial2 Alternate Function mapping
* GPIO_FullRemap_USART1 - USART1 Full Alternate Function mapping
* GPIO_PartialRemap1_TIM1 - TIM1 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_TIM1 - TIM1 Partial2 Alternate Function mapping
* GPIO_FullRemap_TIM1 - TIM1 Full Alternate Function mapping
* GPIO_PartialRemap1_TIM2 - TIM2 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_TIM2 - TIM2 Partial2 Alternate Function mapping
* GPIO_FullRemap_TIM2 - TIM2 Full Alternate Function mapping
* GPIO_Remap_PA1_2 - PA1_2 Alternate Function mapping
* GPIO_Remap_ADC1_ETRGINJ - ADC1 External Trigger Injected Conversion remapping
* GPIO_Remap_ADC1_ETRGREG - ADC1 External Trigger Regular Conversion remapping
* GPIO_Remap_LSI_CAL - LSI calibration Alternate Function mapping
* GPIO_Remap_SDI_Disable - SDI Disabled
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
{
uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
tmpreg = AFIO->PCFR1;
tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
tmp = GPIO_Remap & LSB_MASK;
if((GPIO_Remap & 0x10000000) == 0x10000000)
{
tmpreg &= ~((1<<1) | (1<<22));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (GPIO_Remap & 0xEFFFFFFF);
}
}
else if((GPIO_Remap & 0x80000000) == 0x80000000)
{
tmpreg &= ~((1<<2) | (1<<21));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (GPIO_Remap & 0x7FFFFFFF);
}
}
else if((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))/* SDI */
{
tmpreg &= DBGAFR_SDI_MASK;
AFIO->PCFR1 &= DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
else if((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)/* [15:0] 2bit */
{
tmp1 = ((uint32_t)0x03) << tmpmask;
tmpreg &= ~tmp1;
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
else/* [31:0] 1bit */
{
tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15) * 0x10));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
AFIO->PCFR1 = tmpreg;
}
/*********************************************************************
* @fn GPIO_EXTILineConfig
*
* @brief Selects the GPIO pin used as EXTI Line.
*
* @param GPIO_PortSource - selects the GPIO port to be used as source for EXTI lines.
* This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
* GPIO_PinSource - specifies the EXTI line to be configured.
* This parameter can be GPIO_PinSourcex where x can be (0..7).
*
* @return none
*/
void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
{
uint32_t tmp = 0x00;
tmp = ((uint32_t)(3<<(GPIO_PinSource<<1)));
AFIO->EXTICR &= ~tmp;
AFIO->EXTICR |= ((uint32_t)(GPIO_PortSource<<(GPIO_PinSource<<1)));
}
/*********************************************************************
* @fn GPIO_IPD_Unused
*
* @brief Configure unused GPIO as input pull-up.
*
* @param none
*
* @return none
*/
void GPIO_IPD_Unused(void)
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
uint32_t chip = 0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOC, ENABLE);
chip = *( uint32_t * )0x1FFFF7C4 & (~0x000000F0);
switch(chip)
{
case 0x00320500: //CH32V003A4M6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_2\
|GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
break;
}
case 0x00330500: //CH32V003J4M6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_3\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
break;
}
default:
{
break;
}
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_i2c.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the I2C firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_i2c.h>
#include <ch32v00x_rcc.h>
/* I2C SPE mask */
#define CTLR1_PE_Set ((uint16_t)0x0001)
#define CTLR1_PE_Reset ((uint16_t)0xFFFE)
/* I2C START mask */
#define CTLR1_START_Set ((uint16_t)0x0100)
#define CTLR1_START_Reset ((uint16_t)0xFEFF)
/* I2C STOP mask */
#define CTLR1_STOP_Set ((uint16_t)0x0200)
#define CTLR1_STOP_Reset ((uint16_t)0xFDFF)
/* I2C ACK mask */
#define CTLR1_ACK_Set ((uint16_t)0x0400)
#define CTLR1_ACK_Reset ((uint16_t)0xFBFF)
/* I2C ENGC mask */
#define CTLR1_ENGC_Set ((uint16_t)0x0040)
#define CTLR1_ENGC_Reset ((uint16_t)0xFFBF)
/* I2C SWRST mask */
#define CTLR1_SWRST_Set ((uint16_t)0x8000)
#define CTLR1_SWRST_Reset ((uint16_t)0x7FFF)
/* I2C PEC mask */
#define CTLR1_PEC_Set ((uint16_t)0x1000)
#define CTLR1_PEC_Reset ((uint16_t)0xEFFF)
/* I2C ENPEC mask */
#define CTLR1_ENPEC_Set ((uint16_t)0x0020)
#define CTLR1_ENPEC_Reset ((uint16_t)0xFFDF)
/* I2C ENARP mask */
#define CTLR1_ENARP_Set ((uint16_t)0x0010)
#define CTLR1_ENARP_Reset ((uint16_t)0xFFEF)
/* I2C NOSTRETCH mask */
#define CTLR1_NOSTRETCH_Set ((uint16_t)0x0080)
#define CTLR1_NOSTRETCH_Reset ((uint16_t)0xFF7F)
/* I2C registers Masks */
#define CTLR1_CLEAR_Mask ((uint16_t)0xFBF5)
/* I2C DMAEN mask */
#define CTLR2_DMAEN_Set ((uint16_t)0x0800)
#define CTLR2_DMAEN_Reset ((uint16_t)0xF7FF)
/* I2C LAST mask */
#define CTLR2_LAST_Set ((uint16_t)0x1000)
#define CTLR2_LAST_Reset ((uint16_t)0xEFFF)
/* I2C FREQ mask */
#define CTLR2_FREQ_Reset ((uint16_t)0xFFC0)
/* I2C ADD0 mask */
#define OADDR1_ADD0_Set ((uint16_t)0x0001)
#define OADDR1_ADD0_Reset ((uint16_t)0xFFFE)
/* I2C ENDUAL mask */
#define OADDR2_ENDUAL_Set ((uint16_t)0x0001)
#define OADDR2_ENDUAL_Reset ((uint16_t)0xFFFE)
/* I2C ADD2 mask */
#define OADDR2_ADD2_Reset ((uint16_t)0xFF01)
/* I2C F/S mask */
#define CKCFGR_FS_Set ((uint16_t)0x8000)
/* I2C CCR mask */
#define CKCFGR_CCR_Set ((uint16_t)0x0FFF)
/* I2C FLAG mask */
#define FLAG_Mask ((uint32_t)0x00FFFFFF)
/* I2C Interrupt Enable mask */
#define ITEN_Mask ((uint32_t)0x07000000)
/*********************************************************************
* @fn I2C_DeInit
*
* @brief Deinitializes the I2Cx peripheral registers to their default
* reset values.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return none
*/
void I2C_DeInit(I2C_TypeDef *I2Cx)
{
if(I2Cx == I2C1)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
}
}
/*********************************************************************
* @fn I2C_Init
*
* @brief Initializes the I2Cx peripheral according to the specified
* parameters in the I2C_InitStruct.
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_InitStruct - pointer to a I2C_InitTypeDef structure that
* contains the configuration information for the specified I2C peripheral.
*
* @return none
*/
void I2C_Init(I2C_TypeDef *I2Cx, I2C_InitTypeDef *I2C_InitStruct)
{
uint16_t tmpreg = 0, freqrange = 0;
uint16_t result = 0x04;
uint32_t pclk1 = 8000000;
RCC_ClocksTypeDef rcc_clocks;
tmpreg = I2Cx->CTLR2;
tmpreg &= CTLR2_FREQ_Reset;
RCC_GetClocksFreq(&rcc_clocks);
pclk1 = rcc_clocks.PCLK1_Frequency;
freqrange = (uint16_t)(pclk1 / 1000000);
tmpreg |= freqrange;
I2Cx->CTLR2 = tmpreg;
I2Cx->CTLR1 &= CTLR1_PE_Reset;
tmpreg = 0;
if(I2C_InitStruct->I2C_ClockSpeed <= 100000)
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed << 1));
if(result < 0x04)
{
result = 0x04;
}
tmpreg |= result;
}
else
{
if(I2C_InitStruct->I2C_DutyCycle == I2C_DutyCycle_2)
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed * 3));
}
else
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed * 25));
result |= I2C_DutyCycle_16_9;
}
if((result & CKCFGR_CCR_Set) == 0)
{
result |= (uint16_t)0x0001;
}
tmpreg |= (uint16_t)(result | CKCFGR_FS_Set);
}
I2Cx->CKCFGR = tmpreg;
I2Cx->CTLR1 |= CTLR1_PE_Set;
tmpreg = I2Cx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint16_t)((uint32_t)I2C_InitStruct->I2C_Mode | I2C_InitStruct->I2C_Ack);
I2Cx->CTLR1 = tmpreg;
I2Cx->OADDR1 = (I2C_InitStruct->I2C_AcknowledgedAddress | I2C_InitStruct->I2C_OwnAddress1);
}
/*********************************************************************
* @fn I2C_StructInit
*
* @brief Fills each I2C_InitStruct member with its default value.
*
* @param I2C_InitStruct - pointer to an I2C_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void I2C_StructInit(I2C_InitTypeDef *I2C_InitStruct)
{
I2C_InitStruct->I2C_ClockSpeed = 5000;
I2C_InitStruct->I2C_Mode = I2C_Mode_I2C;
I2C_InitStruct->I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStruct->I2C_OwnAddress1 = 0;
I2C_InitStruct->I2C_Ack = I2C_Ack_Disable;
I2C_InitStruct->I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
}
/*********************************************************************
* @fn I2C_Cmd
*
* @brief Enables or disables the specified I2C peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_Cmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_PE_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_PE_Reset;
}
}
/*********************************************************************
* @fn I2C_DMACmd
*
* @brief Enables or disables the specified I2C DMA requests.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DMACmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= CTLR2_DMAEN_Set;
}
else
{
I2Cx->CTLR2 &= CTLR2_DMAEN_Reset;
}
}
/*********************************************************************
* @fn I2C_DMALastTransferCmd
*
* @brief Specifies if the next DMA transfer will be the last one.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DMALastTransferCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= CTLR2_LAST_Set;
}
else
{
I2Cx->CTLR2 &= CTLR2_LAST_Reset;
}
}
/*********************************************************************
* @fn I2C_GenerateSTART
*
* @brief Generates I2Cx communication START condition.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GenerateSTART(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_START_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_START_Reset;
}
}
/*********************************************************************
* @fn I2C_GenerateSTOP
*
* @brief Generates I2Cx communication STOP condition.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GenerateSTOP(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_STOP_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_STOP_Reset;
}
}
/*********************************************************************
* @fn I2C_AcknowledgeConfig
*
* @brief Enables or disables the specified I2C acknowledge feature.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_AcknowledgeConfig(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ACK_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ACK_Reset;
}
}
/*********************************************************************
* @fn I2C_OwnAddress2Config
*
* @brief Configures the specified I2C own address2.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Address - specifies the 7bit I2C own address2.
*
* @return none
*/
void I2C_OwnAddress2Config(I2C_TypeDef *I2Cx, uint8_t Address)
{
uint16_t tmpreg = 0;
tmpreg = I2Cx->OADDR2;
tmpreg &= OADDR2_ADD2_Reset;
tmpreg |= (uint16_t)((uint16_t)Address & (uint16_t)0x00FE);
I2Cx->OADDR2 = tmpreg;
}
/*********************************************************************
* @fn I2C_DualAddressCmd
*
* @brief Enables or disables the specified I2C dual addressing mode.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DualAddressCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->OADDR2 |= OADDR2_ENDUAL_Set;
}
else
{
I2Cx->OADDR2 &= OADDR2_ENDUAL_Reset;
}
}
/*********************************************************************
* @fn I2C_GeneralCallCmd
*
* @brief Enables or disables the specified I2C general call feature.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GeneralCallCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENGC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENGC_Reset;
}
}
/*********************************************************************
* @fn I2C_ITConfig
*
* @brief Enables or disables the specified I2C interrupts.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_IT - specifies the I2C interrupts sources to be enabled or disabled.
* I2C_IT_BUF - Buffer interrupt mask.
* I2C_IT_EVT - Event interrupt mask.
* I2C_IT_ERR - Error interrupt mask.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_ITConfig(I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= I2C_IT;
}
else
{
I2Cx->CTLR2 &= (uint16_t)~I2C_IT;
}
}
/*********************************************************************
* @fn I2C_SendData
*
* @brief Sends a data byte through the I2Cx peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Data - Byte to be transmitted.
*
* @return none
*/
void I2C_SendData(I2C_TypeDef *I2Cx, uint8_t Data)
{
I2Cx->DATAR = Data;
}
/*********************************************************************
* @fn I2C_ReceiveData
*
* @brief Returns the most recent received data by the I2Cx peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return The value of the received data.
*/
uint8_t I2C_ReceiveData(I2C_TypeDef *I2Cx)
{
return (uint8_t)I2Cx->DATAR;
}
/*********************************************************************
* @fn I2C_Send7bitAddress
*
* @brief Transmits the address byte to select the slave device.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Address - specifies the slave address which will be transmitted.
* I2C_Direction - specifies whether the I2C device will be a
* Transmitter or a Receiver.
* I2C_Direction_Transmitter - Transmitter mode.
* I2C_Direction_Receiver - Receiver mode.
*
* @return none
*/
void I2C_Send7bitAddress(I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction)
{
if(I2C_Direction != I2C_Direction_Transmitter)
{
Address |= OADDR1_ADD0_Set;
}
else
{
Address &= OADDR1_ADD0_Reset;
}
I2Cx->DATAR = Address;
}
/*********************************************************************
* @fn I2C_ReadRegister
*
* @brief Reads the specified I2C register and returns its value.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_Register - specifies the register to read.
* I2C_Register_CTLR1.
* I2C_Register_CTLR2.
* I2C_Register_OADDR1.
* I2C_Register_OADDR2.
* I2C_Register_DATAR.
* I2C_Register_STAR1.
* I2C_Register_STAR2.
* I2C_Register_CKCFGR.
*
* @return none
*/
uint16_t I2C_ReadRegister(I2C_TypeDef *I2Cx, uint8_t I2C_Register)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)I2Cx;
tmp += I2C_Register;
return (*(__IO uint16_t *)tmp);
}
/*********************************************************************
* @fn I2C_SoftwareResetCmd
*
* @brief Enables or disables the specified I2C software reset.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_SoftwareResetCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_SWRST_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_SWRST_Reset;
}
}
/*********************************************************************
* @fn I2C_NACKPositionConfig
*
* @brief Selects the specified I2C NACK position in master receiver mode.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_NACKPosition - specifies the NACK position.
* I2C_NACKPosition_Next - indicates that the next byte will be
* the last received byte.
* I2C_NACKPosition_Current - indicates that current byte is the
* last received byte.
* Note-
* This function configures the same bit (POS) as I2C_PECPositionConfig()
* but is intended to be used in I2C mode while I2C_PECPositionConfig()
* is intended to used in SMBUS mode.
* @return none
*/
void I2C_NACKPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition)
{
if(I2C_NACKPosition == I2C_NACKPosition_Next)
{
I2Cx->CTLR1 |= I2C_NACKPosition_Next;
}
else
{
I2Cx->CTLR1 &= I2C_NACKPosition_Current;
}
}
/*********************************************************************
* @fn I2C_TransmitPEC
*
* @brief Enables or disables the specified I2C PEC transfer.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_TransmitPEC(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_PEC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_PEC_Reset;
}
}
/*********************************************************************
* @fn I2C_PECPositionConfig
*
* @brief Selects the specified I2C PEC position.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_PECPosition - specifies the PEC position.
* I2C_PECPosition_Next - indicates that the next byte is PEC.
* I2C_PECPosition_Current - indicates that current byte is PEC.
*
* @return none
*/
void I2C_PECPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition)
{
if(I2C_PECPosition == I2C_PECPosition_Next)
{
I2Cx->CTLR1 |= I2C_PECPosition_Next;
}
else
{
I2Cx->CTLR1 &= I2C_PECPosition_Current;
}
}
/*********************************************************************
* @fn I2C_CalculatePEC
*
* @brief Enables or disables the PEC value calculation of the transferred bytes.
*
* @param I2Cx- where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_CalculatePEC(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENPEC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENPEC_Reset;
}
}
/*********************************************************************
* @fn I2C_GetPEC
*
* @brief Returns the PEC value for the specified I2C.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return The PEC value.
*/
uint8_t I2C_GetPEC(I2C_TypeDef *I2Cx)
{
return ((I2Cx->STAR2) >> 8);
}
/*********************************************************************
* @fn I2C_ARPCmd
*
* @brief Enables or disables the specified I2C ARP.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return The PEC value.
*/
void I2C_ARPCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENARP_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENARP_Reset;
}
}
/*********************************************************************
* @fn I2C_StretchClockCmd
*
* @brief Enables or disables the specified I2C Clock stretching.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_StretchClockCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState == DISABLE)
{
I2Cx->CTLR1 |= CTLR1_NOSTRETCH_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_NOSTRETCH_Reset;
}
}
/*********************************************************************
* @fn I2C_FastModeDutyCycleConfig
*
* @brief Selects the specified I2C fast mode duty cycle.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_DutyCycle - specifies the fast mode duty cycle.
* I2C_DutyCycle_2 - I2C fast mode Tlow/Thigh = 2.
* I2C_DutyCycle_16_9 - I2C fast mode Tlow/Thigh = 16/9.
*
* @return none
*/
void I2C_FastModeDutyCycleConfig(I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle)
{
if(I2C_DutyCycle != I2C_DutyCycle_16_9)
{
I2Cx->CKCFGR &= I2C_DutyCycle_2;
}
else
{
I2Cx->CKCFGR |= I2C_DutyCycle_16_9;
}
}
/*********************************************************************
* @fn I2C_CheckEvent
*
* @brief Checks whether the last I2Cx Event is equal to the one passed
* as parameter.
*
* @param I2Cx- where x can be 1 to select the I2C peripheral.
* I2C_EVENT: specifies the event to be checked.
* I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_BYTE_RECEIVED - EVT2.
* (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_DUALF) - EVT2.
* (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_GENCALL) - EVT2.
* I2C_EVENT_SLAVE_BYTE_TRANSMITTED - EVT3.
* (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_DUALF) - EVT3.
* (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_GENCALL) - EVT3.
* I2C_EVENT_SLAVE_ACK_FAILURE - EVT3_2.
* I2C_EVENT_SLAVE_STOP_DETECTED - EVT4.
* I2C_EVENT_MASTER_MODE_SELECT - EVT5.
* I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED - EVT6.
* I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED - EVT6.
* I2C_EVENT_MASTER_BYTE_RECEIVED - EVT7.
* I2C_EVENT_MASTER_BYTE_TRANSMITTING - EVT8.
* I2C_EVENT_MASTER_BYTE_TRANSMITTED - EVT8_2.
* I2C_EVENT_MASTER_MODE_ADDRESS10 - EVT9.
*
* @return ErrorStatus - READY or NoREADY.
*/
ErrorStatus I2C_CheckEvent(I2C_TypeDef *I2Cx, uint32_t I2C_EVENT)
{
uint32_t lastevent = 0;
uint32_t flag1 = 0, flag2 = 0;
ErrorStatus status = NoREADY;
flag1 = I2Cx->STAR1;
flag2 = I2Cx->STAR2;
flag2 = flag2 << 16;
lastevent = (flag1 | flag2) & FLAG_Mask;
if((lastevent & I2C_EVENT) == I2C_EVENT)
{
status = READY;
}
else
{
status = NoREADY;
}
return status;
}
/*********************************************************************
* @fn I2C_GetLastEvent
*
* @brief Returns the last I2Cx Event.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return none
*/
uint32_t I2C_GetLastEvent(I2C_TypeDef *I2Cx)
{
uint32_t lastevent = 0;
uint32_t flag1 = 0, flag2 = 0;
flag1 = I2Cx->STAR1;
flag2 = I2Cx->STAR2;
flag2 = flag2 << 16;
lastevent = (flag1 | flag2) & FLAG_Mask;
return lastevent;
}
/*********************************************************************
* @fn I2C_GetFlagStatus
*
* @brief Checks whether the last I2Cx Event is equal to the one passed
* as parameter.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_FLAG - specifies the flag to check.
* I2C_FLAG_DUALF - Dual flag (Slave mode).
* I2C_FLAG_GENCALL - General call header flag (Slave mode).
* I2C_FLAG_TRA - Transmitter/Receiver flag.
* I2C_FLAG_BUSY - Bus busy flag.
* I2C_FLAG_MSL - Master/Slave flag.
* I2C_FLAG_PECERR - PEC error in reception flag.
* I2C_FLAG_OVR - Overrun/Underrun flag (Slave mode).
* I2C_FLAG_AF - Acknowledge failure flag.
* I2C_FLAG_ARLO - Arbitration lost flag (Master mode).
* I2C_FLAG_BERR - Bus error flag.
* I2C_FLAG_TXE - Data register empty flag (Transmitter).
* I2C_FLAG_RXNE- Data register not empty (Receiver) flag.
* I2C_FLAG_STOPF - Stop detection flag (Slave mode).
* I2C_FLAG_ADD10 - 10-bit header sent flag (Master mode).
* I2C_FLAG_BTF - Byte transfer finished flag.
* I2C_FLAG_ADDR - Address sent flag (Master mode) "ADSL"
* Address matched flag (Slave mode)"ENDA".
* I2C_FLAG_SB - Start bit flag (Master mode).
*
* @return FlagStatus - SET or RESET.
*/
FlagStatus I2C_GetFlagStatus(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
{
FlagStatus bitstatus = RESET;
__IO uint32_t i2creg = 0, i2cxbase = 0;
i2cxbase = (uint32_t)I2Cx;
i2creg = I2C_FLAG >> 28;
I2C_FLAG &= FLAG_Mask;
if(i2creg != 0)
{
i2cxbase += 0x14;
}
else
{
I2C_FLAG = (uint32_t)(I2C_FLAG >> 16);
i2cxbase += 0x18;
}
if(((*(__IO uint32_t *)i2cxbase) & I2C_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn I2C_ClearFlag
*
* @brief Clears the I2Cx's pending flags.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_FLAG - specifies the flag to clear.
* I2C_FLAG_SMBALERT - SMBus Alert flag.
* I2C_FLAG_TIMEOUT - Timeout or Tlow error flag.
* I2C_FLAG_PECERR - PEC error in reception flag.
* I2C_FLAG_OVR - Overrun/Underrun flag (Slave mode).
* I2C_FLAG_AF - Acknowledge failure flag.
* I2C_FLAG_ARLO - Arbitration lost flag (Master mode).
* I2C_FLAG_BERR - Bus error flag.
* Note-
* - STOPF (STOP detection) is cleared by software sequence: a read operation
* to I2C_STAR1 register (I2C_GetFlagStatus()) followed by a write operation
* to I2C_CTLR1 register (I2C_Cmd() to re-enable the I2C peripheral).
* - ADD10 (10-bit header sent) is cleared by software sequence: a read
* operation to I2C_SATR1 (I2C_GetFlagStatus()) followed by writing the
* second byte of the address in DATAR register.
* - BTF (Byte Transfer Finished) is cleared by software sequence: a read
* operation to I2C_SATR1 register (I2C_GetFlagStatus()) followed by a
* read/write to I2C_DATAR register (I2C_SendData()).
* - ADDR (Address sent) is cleared by software sequence: a read operation to
* I2C_SATR1 register (I2C_GetFlagStatus()) followed by a read operation to
* I2C_SATR2 register ((void)(I2Cx->SR2)).
* - SB (Start Bit) is cleared software sequence: a read operation to I2C_STAR1
* register (I2C_GetFlagStatus()) followed by a write operation to I2C_DATAR
* register (I2C_SendData()).
* @return none
*/
void I2C_ClearFlag(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
{
uint32_t flagpos = 0;
flagpos = I2C_FLAG & FLAG_Mask;
I2Cx->STAR1 = (uint16_t)~flagpos;
}
/*********************************************************************
* @fn I2C_GetITStatus
*
* @brief Checks whether the specified I2C interrupt has occurred or not.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* II2C_IT - specifies the interrupt source to check.
* I2C_IT_PECERR - PEC error in reception flag.
* I2C_IT_OVR - Overrun/Underrun flag (Slave mode).
* I2C_IT_AF - Acknowledge failure flag.
* I2C_IT_ARLO - Arbitration lost flag (Master mode).
* I2C_IT_BERR - Bus error flag.
* I2C_IT_TXE - Data register empty flag (Transmitter).
* I2C_IT_RXNE - Data register not empty (Receiver) flag.
* I2C_IT_STOPF - Stop detection flag (Slave mode).
* I2C_IT_ADD10 - 10-bit header sent flag (Master mode).
* I2C_IT_BTF - Byte transfer finished flag.
* I2C_IT_ADDR - Address sent flag (Master mode) "ADSL" Address matched
* flag (Slave mode)"ENDAD".
* I2C_IT_SB - Start bit flag (Master mode).
*
* @return none
*/
ITStatus I2C_GetITStatus(I2C_TypeDef *I2Cx, uint32_t I2C_IT)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
enablestatus = (uint32_t)(((I2C_IT & ITEN_Mask) >> 16) & (I2Cx->CTLR2));
I2C_IT &= FLAG_Mask;
if(((I2Cx->STAR1 & I2C_IT) != (uint32_t)RESET) && enablestatus)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn I2C_ClearITPendingBit
*
* @brief Clears the I2Cx interrupt pending bits.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_IT - specifies the interrupt pending bit to clear.
* I2C_IT_PECERR - PEC error in reception interrupt.
* I2C_IT_OVR - Overrun/Underrun interrupt (Slave mode).
* I2C_IT_AF - Acknowledge failure interrupt.
* I2C_IT_ARLO - Arbitration lost interrupt (Master mode).
* I2C_IT_BERR - Bus error interrupt.
* Note-
* - STOPF (STOP detection) is cleared by software sequence: a read operation
* to I2C_STAR1 register (I2C_GetITStatus()) followed by a write operation to
* I2C_CTLR1 register (I2C_Cmd() to re-enable the I2C peripheral).
* - ADD10 (10-bit header sent) is cleared by software sequence: a read
* operation to I2C_STAR1 (I2C_GetITStatus()) followed by writing the second
* byte of the address in I2C_DATAR register.
* - BTF (Byte Transfer Finished) is cleared by software sequence: a read
* operation to I2C_STAR1 register (I2C_GetITStatus()) followed by a
* read/write to I2C_DATAR register (I2C_SendData()).
* - ADDR (Address sent) is cleared by software sequence: a read operation to
* I2C_STAR1 register (I2C_GetITStatus()) followed by a read operation to
* I2C_STAR2 register ((void)(I2Cx->SR2)).
* - SB (Start Bit) is cleared by software sequence: a read operation to
* I2C_STAR1 register (I2C_GetITStatus()) followed by a write operation to
* I2C_DATAR register (I2C_SendData()).
*
* @return none
*/
void I2C_ClearITPendingBit(I2C_TypeDef *I2Cx, uint32_t I2C_IT)
{
uint32_t flagpos = 0;
flagpos = I2C_IT & FLAG_Mask;
I2Cx->STAR1 = (uint16_t)~flagpos;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_iwdg.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the IWDG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_iwdg.h>
/* CTLR register bit mask */
#define CTLR_KEY_Reload ((uint16_t)0xAAAA)
#define CTLR_KEY_Enable ((uint16_t)0xCCCC)
/*********************************************************************
* @fn IWDG_WriteAccessCmd
*
* @brief Enables or disables write access to IWDG_PSCR and IWDG_RLDR registers.
*
* @param WDG_WriteAccess - new state of write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Enable - Enable write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Disable - Disable write access to IWDG_PSCR
* and IWDG_RLDR registers.
*
* @return none
*/
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
{
IWDG->CTLR = IWDG_WriteAccess;
}
/*********************************************************************
* @fn IWDG_SetPrescaler
*
* @brief Sets IWDG Prescaler value.
*
* @param IWDG_Prescaler - specifies the IWDG Prescaler value.
* IWDG_Prescaler_4 - IWDG prescaler set to 4.
* IWDG_Prescaler_8 - IWDG prescaler set to 8.
* IWDG_Prescaler_16 - IWDG prescaler set to 16.
* IWDG_Prescaler_32 - IWDG prescaler set to 32.
* IWDG_Prescaler_64 - IWDG prescaler set to 64.
* IWDG_Prescaler_128 - IWDG prescaler set to 128.
* IWDG_Prescaler_256 - IWDG prescaler set to 256.
*
* @return none
*/
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
{
IWDG->PSCR = IWDG_Prescaler;
}
/*********************************************************************
* @fn IWDG_SetReload
*
* @brief Sets IWDG Reload value.
*
* @param Reload - specifies the IWDG Reload value.
* This parameter must be a number between 0 and 0x0FFF.
*
* @return none
*/
void IWDG_SetReload(uint16_t Reload)
{
IWDG->RLDR = Reload;
}
/*********************************************************************
* @fn IWDG_ReloadCounter
*
* @brief Reloads IWDG counter with value defined in the reload register.
*
* @return none
*/
void IWDG_ReloadCounter(void)
{
IWDG->CTLR = CTLR_KEY_Reload;
}
/*********************************************************************
* @fn IWDG_Enable
*
* @brief Enables IWDG (write access to IWDG_PSCR and IWDG_RLDR registers disabled).
*
* @return none
*/
void IWDG_Enable(void)
{
IWDG->CTLR = CTLR_KEY_Enable;
}
/*********************************************************************
* @fn IWDG_GetFlagStatus
*
* @brief Checks whether the specified IWDG flag is set or not.
*
* @param IWDG_FLAG - specifies the flag to check.
* IWDG_FLAG_PVU - Prescaler Value Update on going.
* IWDG_FLAG_RVU - Reload Value Update on going.
*
* @return none
*/
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
{
FlagStatus bitstatus = RESET;
if((IWDG->STATR & IWDG_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_misc.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the miscellaneous firmware functions .
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_misc.h>
__IO uint32_t NVIC_Priority_Group = 0;
/*********************************************************************
* @fn NVIC_PriorityGroupConfig
*
* @brief Configures the priority grouping - pre-emption priority and subpriority.
*
* @param NVIC_PriorityGroup - specifies the priority grouping bits length.
* NVIC_PriorityGroup_0 - 0 bits for pre-emption priority
* 4 bits for subpriority
* NVIC_PriorityGroup_1 - 1 bits for pre-emption priority
* 3 bits for subpriority
* NVIC_PriorityGroup_2 - 2 bits for pre-emption priority
* 2 bits for subpriority
* NVIC_PriorityGroup_3 - 3 bits for pre-emption priority
* 1 bits for subpriority
* NVIC_PriorityGroup_4 - 4 bits for pre-emption priority
* 0 bits for subpriority
*
* @return none
*/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
{
NVIC_Priority_Group = NVIC_PriorityGroup;
}
/*********************************************************************
* @fn NVIC_Init
*
* @brief Initializes the NVIC peripheral according to the specified parameters in
* the NVIC_InitStruct.
*
* @param NVIC_InitStruct - pointer to a NVIC_InitTypeDef structure that contains the
* configuration information for the specified NVIC peripheral.
*
* @return none
*/
void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct)
{
uint8_t tmppre = 0;
if(NVIC_Priority_Group == NVIC_PriorityGroup_0)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4);
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_1)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority == 1)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
}
else
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_2)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 1)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 2));
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_3)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 3)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 4));
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_4)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 4);
}
if(NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
NVIC_EnableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
else
{
NVIC_DisableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_opa.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the OPA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_opa.h>
/*********************************************************************
* @fn OPA_DeInit
*
* @brief Deinitializes the OPA peripheral registers to their default
* reset values.
*
* @return none
*/
void OPA_DeInit(void)
{
EXTEN->EXTEN_CTR &= ~(uint32_t)(7 << 16);
}
/*********************************************************************
* @fn OPA_Init
*
* @brief Initializes the OPA peripheral according to the specified
* parameters in the OPA_InitStruct.
*
* @param OPA_InitStruct - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_Init(OPA_InitTypeDef *OPA_InitStruct)
{
uint32_t tmp = 0;
tmp = EXTEN->EXTEN_CTR;
tmp &= ~(uint32_t)(3<<17);
tmp |= (OPA_InitStruct->PSEL << 18) | (OPA_InitStruct->NSEL << 17);
EXTEN->EXTEN_CTR = tmp;
}
/*********************************************************************
* @fn OPA_StructInit
*
* @brief Fills each OPA_StructInit member with its reset value.
*
* @param OPA_StructInit - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct)
{
OPA_InitStruct->PSEL = CHP0;
OPA_InitStruct->NSEL = CHN0;
}
/*********************************************************************
* @fn OPA_Cmd
*
* @brief Enables or disables the specified OPA peripheral.
*
* @param OPA_NUM - Select OPA
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void OPA_Cmd(FunctionalState NewState)
{
if(NewState == ENABLE)
{
EXTEN->EXTEN_CTR |= (uint32_t)(1 << 16);
}
else
{
EXTEN->EXTEN_CTR &= ~(uint32_t)(1 << 16);
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_pwr.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the PWR firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_pwr.h>
#include <ch32v00x_rcc.h>
/* PWR registers bit mask */
/* CTLR register bit mask */
#define CTLR_DS_MASK ((uint32_t)0xFFFFFFFD)
#define CTLR_PLS_MASK ((uint32_t)0xFFFFFF1F)
#define AWUPSC_MASK ((uint32_t)0xFFFFFFF0)
#define AWUWR_MASK ((uint32_t)0xFFFFFFC0)
/*********************************************************************
* @fn PWR_DeInit
*
* @brief Deinitializes the PWR peripheral registers to their default
* reset values.
*
* @return none
*/
void PWR_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
}
/*********************************************************************
* @fn PWR_PVDCmd
*
* @brief Enables or disables the Power Voltage Detector(PVD).
*
* @param NewState - new state of the PVD(ENABLE or DISABLE).
*
* @return none
*/
void PWR_PVDCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->CTLR |= (1 << 4);
}
else
{
PWR->CTLR &= ~(1 << 4);
}
}
/*********************************************************************
* @fn PWR_PVDLevelConfig
*
* @brief Configures the voltage threshold detected by the Power Voltage
* Detector(PVD).
*
* @param PWR_PVDLevel - specifies the PVD detection level
* PWR_PVDLevel_2V9 - PVD detection level set to 2.9V
* PWR_PVDLevel_3V1 - PVD detection level set to 3.1V
* PWR_PVDLevel_3V3 - PVD detection level set to 3.3V
* PWR_PVDLevel_3V5 - PVD detection level set to 3.5V
* PWR_PVDLevel_3V7 - PVD detection level set to 3.7V
* PWR_PVDLevel_3V9 - PVD detection level set to 3.9V
* PWR_PVDLevel_4V1 - PVD detection level set to 4.1V
* PWR_PVDLevel_4V4 - PVD detection level set to 4.4V
*
* @return none
*/
void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg &= CTLR_PLS_MASK;
tmpreg |= PWR_PVDLevel;
PWR->CTLR = tmpreg;
}
/*********************************************************************
* @fn PWR_AutoWakeUpCmd
*
* @brief Enables or disables the Auto WakeUp functionality.
*
* @param NewState - new state of the Auto WakeUp functionality
* (ENABLE or DISABLE).
*
* @return none
*/
void PWR_AutoWakeUpCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->AWUCSR |= (1 << 1);
}
else
{
PWR->AWUCSR &= ~(1 << 1);
}
}
/*********************************************************************
* @fn PWR_AWU_SetPrescaler
*
* @brief Sets the Auto Wake up Prescaler
*
* @param AWU_Prescaler - specifies the Auto Wake up Prescaler
* PWR_AWU_Prescaler_1 - AWU counter clock = LSI/1
* PWR_AWU_Prescaler_2 - AWU counter clock = LSI/2
* PWR_AWU_Prescaler_4 - AWU counter clock = LSI/4
* PWR_AWU_Prescaler_8 - AWU counter clock = LSI/8
* PWR_AWU_Prescaler_16 - AWU counter clock = LSI/16
* PWR_AWU_Prescaler_32 - AWU counter clock = LSI/32
* PWR_AWU_Prescaler_64 - AWU counter clock = LSI/64
* PWR_AWU_Prescaler_128 - AWU counter clock = LSI/128
* PWR_AWU_Prescaler_256 - AWU counter clock = LSI/256
* PWR_AWU_Prescaler_512 - AWU counter clock = LSI/512
* PWR_AWU_Prescaler_1024 - AWU counter clock = LSI/1024
* PWR_AWU_Prescaler_2048 - AWU counter clock = LSI/2048
* PWR_AWU_Prescaler_4096 - AWU counter clock = LSI/4096
* PWR_AWU_Prescaler_10240 - AWU counter clock = LSI/10240
* PWR_AWU_Prescaler_61440 - AWU counter clock = LSI/61440
*
* @return none
*/
void PWR_AWU_SetPrescaler(uint32_t AWU_Prescaler)
{
uint32_t tmpreg = 0;
tmpreg = PWR->AWUPSC & AWUPSC_MASK;
tmpreg |= AWU_Prescaler;
PWR->AWUPSC = tmpreg;
}
/*********************************************************************
* @fn PWR_AWU_SetWindowValue
*
* @brief Sets the WWDG window value
*
* @param WindowValue - specifies the window value to be compared to the
* downcounter,which must be lower than 0x3F
*
* @return none
*/
void PWR_AWU_SetWindowValue(uint8_t WindowValue)
{
__IO uint32_t tmpreg = 0;
tmpreg = PWR->AWUWR & AWUWR_MASK;
tmpreg |= WindowValue;
PWR->AWUWR = tmpreg;
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode
*
* @brief Enters STANDBY mode.
*
* @param PWR_STANDBYEntry - specifies if STANDBY mode in entered with WFI or WFE instruction.
* PWR_STANDBYEntry_WFI - enter STANDBY mode with WFI instruction
* PWR_STANDBYEntry_WFE - enter STANDBY mode with WFE instruction
*
* @return none
*/
void PWR_EnterSTANDBYMode(uint8_t PWR_STANDBYEntry)
{
PWR->CTLR &= CTLR_DS_MASK;
PWR->CTLR |= PWR_CTLR_PDDS;
NVIC->SCTLR |= (1 << 2);
if(PWR_STANDBYEntry == PWR_STANDBYEntry_WFI)
{
__WFI();
}
else
{
__WFE();
}
NVIC->SCTLR &= ~(1 << 2);
}
/*********************************************************************
* @fn PWR_GetFlagStatus
*
* @brief Checks whether the specified PWR flag is set or not.
*
* @param PWR_FLAG - specifies the flag to check.
* PWR_FLAG_PVDO - PVD Output
*
* @return The new state of PWR_FLAG (SET or RESET).
*/
FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
{
FlagStatus bitstatus = RESET;
if((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_rcc.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the RCC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_rcc.h>
/* RCC registers bit address in the alias region */
#define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
/* BDCTLR Register */
#define BDCTLR_OFFSET (RCC_OFFSET + 0x20)
/* RCC registers bit mask */
/* CTLR register bit mask */
#define CTLR_HSEBYP_Reset ((uint32_t)0xFFFBFFFF)
#define CTLR_HSEBYP_Set ((uint32_t)0x00040000)
#define CTLR_HSEON_Reset ((uint32_t)0xFFFEFFFF)
#define CTLR_HSEON_Set ((uint32_t)0x00010000)
#define CTLR_HSITRIM_Mask ((uint32_t)0xFFFFFF07)
#define CFGR0_PLL_Mask ((uint32_t)0xFFC0FFFF)
#define CFGR0_PLLMull_Mask ((uint32_t)0x003C0000)
#define CFGR0_PLLSRC_Mask ((uint32_t)0x00010000)
#define CFGR0_PLLXTPRE_Mask ((uint32_t)0x00020000)
#define CFGR0_SWS_Mask ((uint32_t)0x0000000C)
#define CFGR0_SW_Mask ((uint32_t)0xFFFFFFFC)
#define CFGR0_HPRE_Reset_Mask ((uint32_t)0xFFFFFF0F)
#define CFGR0_HPRE_Set_Mask ((uint32_t)0x000000F0)
#define CFGR0_PPRE1_Reset_Mask ((uint32_t)0xFFFFF8FF)
#define CFGR0_PPRE1_Set_Mask ((uint32_t)0x00000700)
#define CFGR0_PPRE2_Reset_Mask ((uint32_t)0xFFFFC7FF)
#define CFGR0_PPRE2_Set_Mask ((uint32_t)0x00003800)
#define CFGR0_ADCPRE_Reset_Mask ((uint32_t)0xFFFF07FF)
#define CFGR0_ADCPRE_Set_Mask ((uint32_t)0x0000F800)
/* RSTSCKR register bit mask */
#define RSTSCKR_RMVF_Set ((uint32_t)0x01000000)
/* RCC Flag Mask */
#define FLAG_Mask ((uint8_t)0x1F)
/* INTR register byte 2 (Bits[15:8]) base address */
#define INTR_BYTE2_ADDRESS ((uint32_t)0x40021009)
/* INTR register byte 3 (Bits[23:16]) base address */
#define INTR_BYTE3_ADDRESS ((uint32_t)0x4002100A)
/* CFGR0 register byte 4 (Bits[31:24]) base address */
#define CFGR0_BYTE4_ADDRESS ((uint32_t)0x40021007)
/* BDCTLR register base address */
#define BDCTLR_ADDRESS (PERIPH_BASE + BDCTLR_OFFSET)
static __I uint8_t APBAHBPrescTable[16] = {1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8};
static __I uint8_t ADCPrescTable[20] = {2, 4, 6, 8, 4, 8, 12, 16, 8, 16, 24, 32, 16, 32, 48, 64, 32, 64, 96, 128};
/*********************************************************************
* @fn RCC_DeInit
*
* @brief Resets the RCC clock configuration to the default reset state.
*
* @return none
*/
void RCC_DeInit(void)
{
RCC->CTLR |= (uint32_t)0x00000001;
RCC->CFGR0 &= (uint32_t)0xFCFF0000;
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
RCC->CFGR0 &= (uint32_t)0xFFFEFFFF;
RCC->INTR = 0x009F0000;
}
/*********************************************************************
* @fn RCC_HSEConfig
*
* @brief Configures the External High Speed oscillator (HSE).
*
* @param RCC_HSE -
* RCC_HSE_OFF - HSE oscillator OFF.
* RCC_HSE_ON - HSE oscillator ON.
* RCC_HSE_Bypass - HSE oscillator bypassed with external clock.
* Note-
* HSE can not be stopped if it is used directly or through the PLL as system clock.
* @return none
*/
void RCC_HSEConfig(uint32_t RCC_HSE)
{
RCC->CTLR &= CTLR_HSEON_Reset;
RCC->CTLR &= CTLR_HSEBYP_Reset;
switch(RCC_HSE)
{
case RCC_HSE_ON:
RCC->CTLR |= CTLR_HSEON_Set;
break;
case RCC_HSE_Bypass:
RCC->CTLR |= CTLR_HSEBYP_Set | CTLR_HSEON_Set;
break;
default:
break;
}
}
/*********************************************************************
* @fn RCC_WaitForHSEStartUp
*
* @brief Waits for HSE start-up.
*
* @return READY - HSE oscillator is stable and ready to use.
* NoREADY - HSE oscillator not yet ready.
*/
ErrorStatus RCC_WaitForHSEStartUp(void)
{
__IO uint32_t StartUpCounter = 0;
ErrorStatus status = NoREADY;
FlagStatus HSEStatus = RESET;
do
{
HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY);
StartUpCounter++;
} while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET));
if(RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET)
{
status = READY;
}
else
{
status = NoREADY;
}
return (status);
}
/*********************************************************************
* @fn RCC_AdjustHSICalibrationValue
*
* @brief Adjusts the Internal High Speed oscillator (HSI) calibration value.
*
* @param HSICalibrationValue - specifies the calibration trimming value.
* This parameter must be a number between 0 and 0x1F.
*
* @return none
*/
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CTLR;
tmpreg &= CTLR_HSITRIM_Mask;
tmpreg |= (uint32_t)HSICalibrationValue << 3;
RCC->CTLR = tmpreg;
}
/*********************************************************************
* @fn RCC_HSICmd
*
* @brief Enables or disables the Internal High Speed oscillator (HSI).
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_HSICmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 0);
}
else
{
RCC->CTLR &= ~(1 << 0);
}
}
/*********************************************************************
* @fn RCC_PLLConfig
*
* @brief Configures the PLL clock source and multiplication factor.
*
* @param RCC_PLLSource - specifies the PLL entry clock source.
* RCC_PLLSource_HSI_MUL2 - HSI oscillator clock*2
* selected as PLL clock entry.
* RCC_PLLSource_HSE_MUL2 - HSE oscillator clock*2
* selected as PLL clock entry.
*
* @return none
*/
void RCC_PLLConfig(uint32_t RCC_PLLSource)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_PLL_Mask;
tmpreg |= RCC_PLLSource;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_PLLCmd
*
* @brief Enables or disables the PLL.
* Note-The PLL can not be disabled if it is used as system clock.
*
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_PLLCmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 24);
}
else
{
RCC->CTLR &= ~(1 << 24);
}
}
/*********************************************************************
* @fn RCC_SYSCLKConfig
*
* @brief Configures the system clock (SYSCLK).
*
* @param RCC_SYSCLKSource - specifies the clock source used as system clock.
* RCC_SYSCLKSource_HSI - HSI selected as system clock.
* RCC_SYSCLKSource_HSE - HSE selected as system clock.
* RCC_SYSCLKSource_PLLCLK - PLL selected as system clock.
*
* @return none
*/
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_SW_Mask;
tmpreg |= RCC_SYSCLKSource;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_GetSYSCLKSource
*
* @brief Returns the clock source used as system clock.
*
* @return 0x00 - HSI used as system clock.
* 0x04 - HSE used as system clock.
* 0x08 - PLL used as system clock.
*/
uint8_t RCC_GetSYSCLKSource(void)
{
return ((uint8_t)(RCC->CFGR0 & CFGR0_SWS_Mask));
}
/*********************************************************************
* @fn RCC_HCLKConfig
*
* @brief Configures the AHB clock (HCLK).
*
* @param RCC_SYSCLK - defines the AHB clock divider. This clock is derived from
* the system clock (SYSCLK).
* RCC_SYSCLK_Div1 - AHB clock = SYSCLK.
* RCC_SYSCLK_Div2 - AHB clock = SYSCLK/2.
* RCC_SYSCLK_Div3 - AHB clock = SYSCLK/3.
* RCC_SYSCLK_Div4 - AHB clock = SYSCLK/4.
* RCC_SYSCLK_Div5 - AHB clock = SYSCLK/5.
* RCC_SYSCLK_Div6 - AHB clock = SYSCLK/6.
* RCC_SYSCLK_Div7 - AHB clock = SYSCLK/7.
* RCC_SYSCLK_Div8 - AHB clock = SYSCLK/8.
* RCC_SYSCLK_Div16 - AHB clock = SYSCLK/16.
* RCC_SYSCLK_Div32 - AHB clock = SYSCLK/32.
* RCC_SYSCLK_Div64 - AHB clock = SYSCLK/64.
* RCC_SYSCLK_Div128 - AHB clock = SYSCLK/128.
* RCC_SYSCLK_Div256 - AHB clock = SYSCLK/256.
*
* @return none
*/
void RCC_HCLKConfig(uint32_t RCC_SYSCLK)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_HPRE_Reset_Mask;
tmpreg |= RCC_SYSCLK;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_ITConfig
*
* @brief Enables or disables the specified RCC interrupts.
*
* @param RCC_IT - specifies the RCC interrupt sources to be enabled or disabled.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
*(__IO uint8_t *)INTR_BYTE2_ADDRESS |= RCC_IT;
}
else
{
*(__IO uint8_t *)INTR_BYTE2_ADDRESS &= (uint8_t)~RCC_IT;
}
}
/*********************************************************************
* @fn RCC_ADCCLKConfig
*
* @brief Configures the ADC clock (ADCCLK).
*
* @param RCC_PCLK2 - defines the ADC clock divider. This clock is derived from
* the APB2 clock (PCLK2).
* RCC_PCLK2_Div2 - ADC clock = PCLK2/2.
* RCC_PCLK2_Div4 - ADC clock = PCLK2/4.
* RCC_PCLK2_Div6 - ADC clock = PCLK2/6.
* RCC_PCLK2_Div8 - ADC clock = PCLK2/8.
* RCC_PCLK2_Div12 - ADC clock = PCLK2/12.
* RCC_PCLK2_Div16 - ADC clock = PCLK2/16.
* RCC_PCLK2_Div24 - ADC clock = PCLK2/24.
* RCC_PCLK2_Div32 - ADC clock = PCLK2/32.
* RCC_PCLK2_Div48 - ADC clock = PCLK2/48.
* RCC_PCLK2_Div64 - ADC clock = PCLK2/64.
* RCC_PCLK2_Div96 - ADC clock = PCLK2/96.
* RCC_PCLK2_Div128 - ADC clock = PCLK2/128.
*
* @return none
*/
void RCC_ADCCLKConfig(uint32_t RCC_PCLK2)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_ADCPRE_Reset_Mask;
tmpreg |= RCC_PCLK2;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_LSICmd
*
* @brief Enables or disables the Internal Low Speed oscillator (LSI).
* Note-
* LSI can not be disabled if the IWDG is running.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_LSICmd(FunctionalState NewState)
{
if(NewState)
{
RCC->RSTSCKR |= (1 << 0);
}
else
{
RCC->RSTSCKR &= ~(1 << 0);
}
}
/*********************************************************************
* @fn RCC_GetClocksFreq
*
* @brief The result of this function could be not correct when using
* fractional value for HSE crystal.
*
* @param RCC_Clocks - pointer to a RCC_ClocksTypeDef structure which will hold
* the clocks frequencies.
*
* @return none
*/
void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks)
{
uint32_t tmp = 0, pllsource = 0, presc = 0;
tmp = RCC->CFGR0 & CFGR0_SWS_Mask;
switch(tmp)
{
case 0x00:
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
break;
case 0x04:
RCC_Clocks->SYSCLK_Frequency = HSE_VALUE;
break;
case 0x08:
pllsource = RCC->CFGR0 & CFGR0_PLLSRC_Mask;
if(pllsource == 0x00)
{
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE * 2;
}
else
{
RCC_Clocks->SYSCLK_Frequency = HSE_VALUE * 2;
}
break;
default:
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
break;
}
tmp = RCC->CFGR0 & CFGR0_HPRE_Set_Mask;
tmp = tmp >> 4;
presc = APBAHBPrescTable[tmp];
if(((RCC->CFGR0 & CFGR0_HPRE_Set_Mask) >> 4) < 8)
{
RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency / presc;
}
else
{
RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency >> presc;
}
RCC_Clocks->PCLK1_Frequency = RCC_Clocks->HCLK_Frequency;
RCC_Clocks->PCLK2_Frequency = RCC_Clocks->HCLK_Frequency;
tmp = RCC->CFGR0 & CFGR0_ADCPRE_Set_Mask;
tmp = tmp >> 11;
tmp = ((tmp & 0x18) >> 3) | ((tmp & 0x7) << 2);
if((tmp & 0x13) >= 4)
{
tmp -= 12;
}
presc = ADCPrescTable[tmp];
RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK2_Frequency / presc;
}
/*********************************************************************
* @fn RCC_AHBPeriphClockCmd
*
* @brief Enables or disables the AHB peripheral clock.
*
* @param RCC_AHBPeriph - specifies the AHB peripheral to gates its clock.
* RCC_AHBPeriph_DMA1.
* RCC_AHBPeriph_SRAM.
* Note-
* SRAM clock can be disabled only during sleep mode.
* NewState: ENABLE or DISABLE.
*
* @return none
*/
void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->AHBPCENR |= RCC_AHBPeriph;
}
else
{
RCC->AHBPCENR &= ~RCC_AHBPeriph;
}
}
/*********************************************************************
* @fn RCC_APB2PeriphClockCmd
*
* @brief Enables or disables the High Speed APB (APB2) peripheral clock.
*
* @param RCC_APB2Periph - specifies the APB2 peripheral to gates its clock.
* RCC_APB2Periph_AFIO.
* RCC_APB2Periph_GPIOA.
* RCC_APB2Periph_GPIOC.
* RCC_APB2Periph_GPIOD.
* RCC_APB2Periph_ADC1.
* RCC_APB2Periph_TIM1.
* RCC_APB2Periph_SPI1.
* RCC_APB2Periph_USART1.
* NewState - ENABLE or DISABLE
*
* @return none
*/
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB2PCENR |= RCC_APB2Periph;
}
else
{
RCC->APB2PCENR &= ~RCC_APB2Periph;
}
}
/*********************************************************************
* @fn RCC_APB1PeriphClockCmd
*
* @brief Enables or disables the Low Speed APB (APB1) peripheral clock.
*
* @param RCC_APB1Periph - specifies the APB1 peripheral to gates its clock.
* RCC_APB1Periph_TIM2.
* RCC_APB1Periph_WWDG.
* RCC_APB1Periph_I2C1.
* RCC_APB1Periph_PWR.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB1PCENR |= RCC_APB1Periph;
}
else
{
RCC->APB1PCENR &= ~RCC_APB1Periph;
}
}
/*********************************************************************
* @fn RCC_APB2PeriphResetCmd
*
* @brief Forces or releases High Speed APB (APB2) peripheral reset.
*
* @param RCC_APB2Periph - specifies the APB2 peripheral to reset.
* RCC_APB2Periph_AFIO.
* RCC_APB2Periph_GPIOA.
* RCC_APB2Periph_GPIOC.
* RCC_APB2Periph_GPIOD.
* RCC_APB2Periph_ADC1.
* RCC_APB2Periph_TIM1.
* RCC_APB2Periph_SPI1.
* RCC_APB2Periph_USART1.
* NewState - ENABLE or DISABLE
*
* @return none
*/
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB2PRSTR |= RCC_APB2Periph;
}
else
{
RCC->APB2PRSTR &= ~RCC_APB2Periph;
}
}
/*********************************************************************
* @fn RCC_APB1PeriphResetCmd
*
* @brief Forces or releases Low Speed APB (APB1) peripheral reset.
*
* @param RCC_APB1Periph - specifies the APB1 peripheral to reset.
* RCC_APB1Periph_TIM2.
* RCC_APB1Periph_WWDG.
* RCC_APB1Periph_I2C1.
* RCC_APB1Periph_PWR.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB1PRSTR |= RCC_APB1Periph;
}
else
{
RCC->APB1PRSTR &= ~RCC_APB1Periph;
}
}
/*********************************************************************
* @fn RCC_ClockSecuritySystemCmd
*
* @brief Enables or disables the Clock Security System.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_ClockSecuritySystemCmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 19);
}
else
{
RCC->CTLR &= ~(1 << 19);
}
}
/*********************************************************************
* @fn RCC_MCOConfig
*
* @brief Selects the clock source to output on MCO pin.
*
* @param RCC_MCO - specifies the clock source to output.
* RCC_MCO_NoClock - No clock selected.
* RCC_MCO_SYSCLK - System clock selected.
* RCC_MCO_HSI - HSI oscillator clock selected.
* RCC_MCO_HSE - HSE oscillator clock selected.
* RCC_MCO_PLLCLK - PLL clock selected.
*
* @return none
*/
void RCC_MCOConfig(uint8_t RCC_MCO)
{
*(__IO uint8_t *)CFGR0_BYTE4_ADDRESS = RCC_MCO;
}
/*********************************************************************
* @fn RCC_GetFlagStatus
*
* @brief Checks whether the specified RCC flag is set or not.
*
* @param RCC_FLAG - specifies the flag to check.
* RCC_FLAG_HSIRDY - HSI oscillator clock ready.
* RCC_FLAG_HSERDY - HSE oscillator clock ready.
* RCC_FLAG_PLLRDY - PLL clock ready.
* RCC_FLAG_LSIRDY - LSI oscillator clock ready.
* RCC_FLAG_PINRST - Pin reset.
* RCC_FLAG_PORRST - POR/PDR reset.
* RCC_FLAG_SFTRST - Software reset.
* RCC_FLAG_IWDGRST - Independent Watchdog reset.
* RCC_FLAG_WWDGRST - Window Watchdog reset.
* RCC_FLAG_LPWRRST - Low Power reset.
*
* @return FlagStatus - SET or RESET.
*/
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG)
{
uint32_t tmp = 0;
uint32_t statusreg = 0;
FlagStatus bitstatus = RESET;
tmp = RCC_FLAG >> 5;
if(tmp == 1)
{
statusreg = RCC->CTLR;
}
else
{
statusreg = RCC->RSTSCKR;
}
tmp = RCC_FLAG & FLAG_Mask;
if((statusreg & ((uint32_t)1 << tmp)) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RCC_ClearFlag
*
* @brief Clears the RCC reset flags.
* Note-
* The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
* RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
* @return none
*/
void RCC_ClearFlag(void)
{
RCC->RSTSCKR |= RSTSCKR_RMVF_Set;
}
/*********************************************************************
* @fn RCC_GetITStatus
*
* @brief Checks whether the specified RCC interrupt has occurred or not.
*
* @param RCC_IT - specifies the RCC interrupt source to check.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* RCC_IT_CSS - Clock Security System interrupt.
*
* @return ITStatus - SET or RESET.
*/
ITStatus RCC_GetITStatus(uint8_t RCC_IT)
{
ITStatus bitstatus = RESET;
if((RCC->INTR & RCC_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RCC_ClearITPendingBit
*
* @brief Clears the RCC's interrupt pending bits.
*
* @param RCC_IT - specifies the interrupt pending bit to clear.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* RCC_IT_CSS - Clock Security System interrupt.
*
* @return none
*/
void RCC_ClearITPendingBit(uint8_t RCC_IT)
{
*(__IO uint8_t *)INTR_BYTE3_ADDRESS = RCC_IT;
}

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code/ch32v003_bootloader/periph/src/ch32v00x_spi.c Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_spi.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the SPI firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_rcc.h>
#include <ch32v00x_spi.h>
/* SPI SPE mask */
#define CTLR1_SPE_Set ((uint16_t)0x0040)
#define CTLR1_SPE_Reset ((uint16_t)0xFFBF)
/* SPI CRCNext mask */
#define CTLR1_CRCNext_Set ((uint16_t)0x1000)
/* SPI CRCEN mask */
#define CTLR1_CRCEN_Set ((uint16_t)0x2000)
#define CTLR1_CRCEN_Reset ((uint16_t)0xDFFF)
/* SPI SSOE mask */
#define CTLR2_SSOE_Set ((uint16_t)0x0004)
#define CTLR2_SSOE_Reset ((uint16_t)0xFFFB)
/* SPI registers Masks */
#define CTLR1_CLEAR_Mask ((uint16_t)0x3040)
#define I2SCFGR_CLEAR_Mask ((uint16_t)0xF040)
/*********************************************************************
* @fn SPI_I2S_DeInit
*
* @brief Deinitializes the SPIx peripheral registers to their default
* reset values.
* @param SPIx - where x can be 1 to select the SPI peripheral.
*
* @return none
*/
void SPI_I2S_DeInit(SPI_TypeDef *SPIx)
{
if(SPIx == SPI1)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, DISABLE);
}
}
/*********************************************************************
* @fn SPI_Init
*
* @brief Initializes the SPIx peripheral according to the specified
* parameters in the SPI_InitStruct.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* SPI_InitStruct - pointer to a SPI_InitTypeDef structure that
* contains the configuration information for the specified SPI peripheral.
*
* @return none
*/
void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct)
{
uint16_t tmpreg = 0;
tmpreg = SPIx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint16_t)((uint32_t)SPI_InitStruct->SPI_Direction | SPI_InitStruct->SPI_Mode |
SPI_InitStruct->SPI_DataSize | SPI_InitStruct->SPI_CPOL |
SPI_InitStruct->SPI_CPHA | SPI_InitStruct->SPI_NSS |
SPI_InitStruct->SPI_BaudRatePrescaler | SPI_InitStruct->SPI_FirstBit);
SPIx->CTLR1 = tmpreg;
SPIx->CRCR = SPI_InitStruct->SPI_CRCPolynomial;
}
/*********************************************************************
* @fn SPI_StructInit
*
* @brief Fills each SPI_InitStruct member with its default value.
*
* @param SPI_InitStruct - pointer to a SPI_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct)
{
SPI_InitStruct->SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStruct->SPI_Mode = SPI_Mode_Slave;
SPI_InitStruct->SPI_DataSize = SPI_DataSize_8b;
SPI_InitStruct->SPI_CPOL = SPI_CPOL_Low;
SPI_InitStruct->SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStruct->SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
/*"SPI_FirstBit_LSB" not support SPI slave mode*/
SPI_InitStruct->SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStruct->SPI_CRCPolynomial = 7;
}
/*********************************************************************
* @fn SPI_Cmd
*
* @brief Enables or disables the specified SPI peripheral.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR1 |= CTLR1_SPE_Set;
}
else
{
SPIx->CTLR1 &= CTLR1_SPE_Reset;
}
}
/*********************************************************************
* @fn SPI_I2S_ITConfig
*
* @brief Enables or disables the specified SPI interrupts.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_IT - specifies the SPI interrupt source to be
* enabled or disabled.
* SPI_I2S_IT_TXE - Tx buffer empty interrupt mask.
* SPI_I2S_IT_RXNE - Rx buffer not empty interrupt mask.
* SPI_I2S_IT_ERR - Error interrupt mask.
* NewState: ENABLE or DISABLE.
* @return none
*/
void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
{
uint16_t itpos = 0, itmask = 0;
itpos = SPI_I2S_IT >> 4;
itmask = (uint16_t)1 << (uint16_t)itpos;
if(NewState != DISABLE)
{
SPIx->CTLR2 |= itmask;
}
else
{
SPIx->CTLR2 &= (uint16_t)~itmask;
}
}
/*********************************************************************
* @fn SPI_I2S_DMACmd
*
* @brief Enables or disables the SPIx DMA interface.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_DMAReq - specifies the SPI DMA transfer request to
* be enabled or disabled.
* SPI_I2S_DMAReq_Tx - Tx buffer DMA transfer request.
* SPI_I2S_DMAReq_Rx - Rx buffer DMA transfer request.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR2 |= SPI_I2S_DMAReq;
}
else
{
SPIx->CTLR2 &= (uint16_t)~SPI_I2S_DMAReq;
}
}
/*********************************************************************
* @fn SPI_I2S_SendData
*
* @brief Transmits a Data through the SPIx peripheral.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* Data - Data to be transmitted.
*
* @return none
*/
void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data)
{
SPIx->DATAR = Data;
}
/*********************************************************************
* @fn SPI_I2S_ReceiveData
*
* @brief Returns the most recent received data by the SPIx peripheral.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* Data - Data to be transmitted.
*
* @return SPIx->DATAR - The value of the received data.
*/
uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx)
{
return SPIx->DATAR;
}
/*********************************************************************
* @fn SPI_NSSInternalSoftwareConfig
*
* @brief Configures internally by software the NSS pin for the selected SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* SPI_NSSInternalSoft -
* SPI_NSSInternalSoft_Set - Set NSS pin internally.
* SPI_NSSInternalSoft_Reset - Reset NSS pin internally.
*
* @return none
*/
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft)
{
if(SPI_NSSInternalSoft != SPI_NSSInternalSoft_Reset)
{
SPIx->CTLR1 |= SPI_NSSInternalSoft_Set;
}
else
{
SPIx->CTLR1 &= SPI_NSSInternalSoft_Reset;
}
}
/*********************************************************************
* @fn SPI_SSOutputCmd
*
* @brief Enables or disables the SS output for the selected SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* NewState - new state of the SPIx SS output.
*
* @return none
*/
void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR2 |= CTLR2_SSOE_Set;
}
else
{
SPIx->CTLR2 &= CTLR2_SSOE_Reset;
}
}
/*********************************************************************
* @fn SPI_DataSizeConfig
*
* @brief Configures the data size for the selected SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* SPI_DataSize - specifies the SPI data size.
* SPI_DataSize_16b - Set data frame format to 16bit.
* SPI_DataSize_8b - Set data frame format to 8bit.
*
* @return none
*/
void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize)
{
SPIx->CTLR1 &= (uint16_t)~SPI_DataSize_16b;
SPIx->CTLR1 |= SPI_DataSize;
}
/*********************************************************************
* @fn SPI_TransmitCRC
*
* @brief Transmit the SPIx CRC value.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
*
* @return none
*/
void SPI_TransmitCRC(SPI_TypeDef *SPIx)
{
SPIx->CTLR1 |= CTLR1_CRCNext_Set;
}
/*********************************************************************
* @fn SPI_CalculateCRC
*
* @brief Enables or disables the CRC value calculation of the transferred bytes.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* NewState - new state of the SPIx CRC value calculation.
*
* @return none
*/
void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
SPIx->CTLR1 |= CTLR1_CRCEN_Set;
}
else
{
SPIx->CTLR1 &= CTLR1_CRCEN_Reset;
}
}
/*********************************************************************
* @fn SPI_GetCRC
*
* @brief Returns the transmit or the receive CRC register value for the specified SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* SPI_CRC - specifies the CRC register to be read.
* SPI_CRC_Tx - Selects Tx CRC register.
* SPI_CRC_Rx - Selects Rx CRC register.
*
* @return crcreg: The selected CRC register value.
*/
uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC)
{
uint16_t crcreg = 0;
if(SPI_CRC != SPI_CRC_Rx)
{
crcreg = SPIx->TCRCR;
}
else
{
crcreg = SPIx->RCRCR;
}
return crcreg;
}
/*********************************************************************
* @fn SPI_GetCRCPolynomial
*
* @brief Returns the CRC Polynomial register value for the specified SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
*
* @return SPIx->CRCR - The CRC Polynomial register value.
*/
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx)
{
return SPIx->CRCR;
}
/*********************************************************************
* @fn SPI_BiDirectionalLineConfig
*
* @brief Selects the data transfer direction in bi-directional mode
* for the specified SPI.
*
* @param SPIx - where x can be 1 to select the SPI peripheral.
* SPI_Direction - specifies the data transfer direction in
* bi-directional mode.
* SPI_Direction_Tx - Selects Tx transmission direction.
* SPI_Direction_Rx - Selects Rx receive direction.
*
* @return none
*/
void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction)
{
if(SPI_Direction == SPI_Direction_Tx)
{
SPIx->CTLR1 |= SPI_Direction_Tx;
}
else
{
SPIx->CTLR1 &= SPI_Direction_Rx;
}
}
/*********************************************************************
* @fn SPI_I2S_GetFlagStatus
*
* @brief Checks whether the specified SPI flag is set or not.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_FLAG - specifies the SPI/I2S flag to check.
* SPI_I2S_FLAG_TXE - Transmit buffer empty flag.
* SPI_I2S_FLAG_RXNE - Receive buffer not empty flag.
* SPI_I2S_FLAG_BSY - Busy flag.
* SPI_I2S_FLAG_OVR - Overrun flag.
* SPI_FLAG_MODF - Mode Fault flag.
* SPI_FLAG_CRCERR - CRC Error flag.
* I2S_FLAG_UDR - Underrun Error flag.
* I2S_FLAG_CHSIDE - Channel Side flag.
*
* @return FlagStatus: SET or RESET.
*/
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
{
FlagStatus bitstatus = RESET;
if((SPIx->STATR & SPI_I2S_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SPI_I2S_ClearFlag
*
* @brief Clears the SPIx CRC Error (CRCERR) flag.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_FLAG - specifies the SPI flag to clear.
* SPI_FLAG_CRCERR - CRC Error flag.
* Note-
* - OVR (OverRun error) flag is cleared by software sequence: a read
* operation to SPI_DATAR register (SPI_I2S_ReceiveData()) followed by a read
* operation to SPI_STATR register (SPI_I2S_GetFlagStatus()).
* - UDR (UnderRun error) flag is cleared by a read operation to
* SPI_STATR register (SPI_I2S_GetFlagStatus()).
* - MODF (Mode Fault) flag is cleared by software sequence: a read/write
* operation to SPI_STATR register (SPI_I2S_GetFlagStatus()) followed by a
* write operation to SPI_CTLR1 register (SPI_Cmd() to enable the SPI).
* @return FlagStatus: SET or RESET.
*/
void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
{
SPIx->STATR = (uint16_t)~SPI_I2S_FLAG;
}
/*********************************************************************
* @fn SPI_I2S_GetITStatus
*
* @brief Checks whether the specified SPI interrupt has occurred or not.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_IT - specifies the SPI interrupt source to check..
* SPI_I2S_IT_TXE - Transmit buffer empty interrupt.
* SPI_I2S_IT_RXNE - Receive buffer not empty interrupt.
* SPI_I2S_IT_OVR - Overrun interrupt.
* SPI_IT_MODF - Mode Fault interrupt.
* SPI_IT_CRCERR - CRC Error interrupt.
* I2S_IT_UDR - Underrun Error interrupt.
*
* @return FlagStatus: SET or RESET.
*/
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
{
ITStatus bitstatus = RESET;
uint16_t itpos = 0, itmask = 0, enablestatus = 0;
itpos = 0x01 << (SPI_I2S_IT & 0x0F);
itmask = SPI_I2S_IT >> 4;
itmask = 0x01 << itmask;
enablestatus = (SPIx->CTLR2 & itmask);
if(((SPIx->STATR & itpos) != (uint16_t)RESET) && enablestatus)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn SPI_I2S_ClearITPendingBit
*
* @brief Clears the SPIx CRC Error (CRCERR) interrupt pending bit.
*
* @param SPIx - where x can be
* - 1 in SPI mode.
* SPI_I2S_IT - specifies the SPI interrupt pending bit to clear.
* SPI_IT_CRCERR - CRC Error interrupt.
* Note-
* - OVR (OverRun Error) interrupt pending bit is cleared by software
* sequence: a read operation to SPI_DATAR register (SPI_I2S_ReceiveData())
* followed by a read operation to SPI_STATR register (SPI_I2S_GetITStatus()).
* - UDR (UnderRun Error) interrupt pending bit is cleared by a read
* operation to SPI_STATR register (SPI_I2S_GetITStatus()).
* - MODF (Mode Fault) interrupt pending bit is cleared by software sequence:
* a read/write operation to SPI_STATR register (SPI_I2S_GetITStatus())
* followed by a write operation to SPI_CTLR1 register (SPI_Cmd() to enable
* the SPI).
* @return none
*/
void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
{
uint16_t itpos = 0;
itpos = 0x01 << (SPI_I2S_IT & 0x0F);
SPIx->STATR = (uint16_t)~itpos;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_usart.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the USART firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_rcc.h>
#include <ch32v00x_usart.h>
/* USART_Private_Defines */
#define CTLR1_UE_Set ((uint16_t)0x2000) /* USART Enable Mask */
#define CTLR1_UE_Reset ((uint16_t)0xDFFF) /* USART Disable Mask */
#define CTLR1_WAKE_Mask ((uint16_t)0xF7FF) /* USART WakeUp Method Mask */
#define CTLR1_RWU_Set ((uint16_t)0x0002) /* USART mute mode Enable Mask */
#define CTLR1_RWU_Reset ((uint16_t)0xFFFD) /* USART mute mode Enable Mask */
#define CTLR1_SBK_Set ((uint16_t)0x0001) /* USART Break Character send Mask */
#define CTLR1_CLEAR_Mask ((uint16_t)0xE9F3) /* USART CR1 Mask */
#define CTLR2_Address_Mask ((uint16_t)0xFFF0) /* USART address Mask */
#define CTLR2_LINEN_Set ((uint16_t)0x4000) /* USART LIN Enable Mask */
#define CTLR2_LINEN_Reset ((uint16_t)0xBFFF) /* USART LIN Disable Mask */
#define CTLR2_LBDL_Mask ((uint16_t)0xFFDF) /* USART LIN Break detection Mask */
#define CTLR2_STOP_CLEAR_Mask ((uint16_t)0xCFFF) /* USART CR2 STOP Bits Mask */
#define CTLR2_CLOCK_CLEAR_Mask ((uint16_t)0xF0FF) /* USART CR2 Clock Mask */
#define CTLR3_SCEN_Set ((uint16_t)0x0020) /* USART SC Enable Mask */
#define CTLR3_SCEN_Reset ((uint16_t)0xFFDF) /* USART SC Disable Mask */
#define CTLR3_NACK_Set ((uint16_t)0x0010) /* USART SC NACK Enable Mask */
#define CTLR3_NACK_Reset ((uint16_t)0xFFEF) /* USART SC NACK Disable Mask */
#define CTLR3_HDSEL_Set ((uint16_t)0x0008) /* USART Half-Duplex Enable Mask */
#define CTLR3_HDSEL_Reset ((uint16_t)0xFFF7) /* USART Half-Duplex Disable Mask */
#define CTLR3_IRLP_Mask ((uint16_t)0xFFFB) /* USART IrDA LowPower mode Mask */
#define CTLR3_CLEAR_Mask ((uint16_t)0xFCFF) /* USART CR3 Mask */
#define CTLR3_IREN_Set ((uint16_t)0x0002) /* USART IrDA Enable Mask */
#define CTLR3_IREN_Reset ((uint16_t)0xFFFD) /* USART IrDA Disable Mask */
#define GPR_LSB_Mask ((uint16_t)0x00FF) /* Guard Time Register LSB Mask */
#define GPR_MSB_Mask ((uint16_t)0xFF00) /* Guard Time Register MSB Mask */
#define IT_Mask ((uint16_t)0x001F) /* USART Interrupt Mask */
/* USART OverSampling-8 Mask */
#define CTLR1_OVER8_Set ((uint16_t)0x8000) /* USART OVER8 mode Enable Mask */
#define CTLR1_OVER8_Reset ((uint16_t)0x7FFF) /* USART OVER8 mode Disable Mask */
/* USART One Bit Sampling Mask */
#define CTLR3_ONEBITE_Set ((uint16_t)0x0800) /* USART ONEBITE mode Enable Mask */
#define CTLR3_ONEBITE_Reset ((uint16_t)0xF7FF) /* USART ONEBITE mode Disable Mask */
/*********************************************************************
* @fn USART_DeInit
*
* @brief Deinitializes the USARTx peripheral registers to their default
* reset values.
*
* @param USARTx - where x can be 1 to select the UART peripheral.
*
* @return none
*/
void USART_DeInit(USART_TypeDef *USARTx)
{
if(USARTx == USART1)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_USART1, DISABLE);
}
}
/*********************************************************************
* @fn USART_Init
*
* @brief Initializes the USARTx peripheral according to the specified
* parameters in the USART_InitStruct.
*
* @param USARTx - where x can be 1 to select the UART peripheral.
* USART_InitStruct - pointer to a USART_InitTypeDef structure
* that contains the configuration information for the specified
* USART peripheral.
*
* @return none
*/
void USART_Init(USART_TypeDef *USARTx, USART_InitTypeDef *USART_InitStruct)
{
uint32_t tmpreg = 0x00, apbclock = 0x00;
uint32_t integerdivider = 0x00;
uint32_t fractionaldivider = 0x00;
uint32_t usartxbase = 0;
RCC_ClocksTypeDef RCC_ClocksStatus;
if(USART_InitStruct->USART_HardwareFlowControl != USART_HardwareFlowControl_None)
{
}
usartxbase = (uint32_t)USARTx;
tmpreg = USARTx->CTLR2;
tmpreg &= CTLR2_STOP_CLEAR_Mask;
tmpreg |= (uint32_t)USART_InitStruct->USART_StopBits;
USARTx->CTLR2 = (uint16_t)tmpreg;
tmpreg = USARTx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint32_t)USART_InitStruct->USART_WordLength | USART_InitStruct->USART_Parity |
USART_InitStruct->USART_Mode;
USARTx->CTLR1 = (uint16_t)tmpreg;
tmpreg = USARTx->CTLR3;
tmpreg &= CTLR3_CLEAR_Mask;
tmpreg |= USART_InitStruct->USART_HardwareFlowControl;
USARTx->CTLR3 = (uint16_t)tmpreg;
RCC_GetClocksFreq(&RCC_ClocksStatus);
if(usartxbase == USART1_BASE)
{
apbclock = RCC_ClocksStatus.PCLK2_Frequency;
}
else
{
apbclock = RCC_ClocksStatus.PCLK1_Frequency;
}
if((USARTx->CTLR1 & CTLR1_OVER8_Set) != 0)
{
integerdivider = ((25 * apbclock) / (2 * (USART_InitStruct->USART_BaudRate)));
}
else
{
integerdivider = ((25 * apbclock) / (4 * (USART_InitStruct->USART_BaudRate)));
}
tmpreg = (integerdivider / 100) << 4;
fractionaldivider = integerdivider - (100 * (tmpreg >> 4));
if((USARTx->CTLR1 & CTLR1_OVER8_Set) != 0)
{
tmpreg |= ((((fractionaldivider * 8) + 50) / 100)) & ((uint8_t)0x07);
}
else
{
tmpreg |= ((((fractionaldivider * 16) + 50) / 100)) & ((uint8_t)0x0F);
}
USARTx->BRR = (uint16_t)tmpreg;
}
/*********************************************************************
* @fn USART_StructInit
*
* @brief Fills each USART_InitStruct member with its default value.
*
* @param USART_InitStruct: pointer to a USART_InitTypeDef structure
* which will be initialized.
*
* @return none
*/
void USART_StructInit(USART_InitTypeDef *USART_InitStruct)
{
USART_InitStruct->USART_BaudRate = 9600;
USART_InitStruct->USART_WordLength = USART_WordLength_8b;
USART_InitStruct->USART_StopBits = USART_StopBits_1;
USART_InitStruct->USART_Parity = USART_Parity_No;
USART_InitStruct->USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_InitStruct->USART_HardwareFlowControl = USART_HardwareFlowControl_None;
}
/*********************************************************************
* @fn USART_ClockInit
*
* @brief Initializes the USARTx peripheral Clock according to the
* specified parameters in the USART_ClockInitStruct .
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_ClockInitStruct - pointer to a USART_ClockInitTypeDef
* structure that contains the configuration information for the specified
* USART peripheral.
*
* @return none
*/
void USART_ClockInit(USART_TypeDef *USARTx, USART_ClockInitTypeDef *USART_ClockInitStruct)
{
uint32_t tmpreg = 0x00;
tmpreg = USARTx->CTLR2;
tmpreg &= CTLR2_CLOCK_CLEAR_Mask;
tmpreg |= (uint32_t)USART_ClockInitStruct->USART_Clock | USART_ClockInitStruct->USART_CPOL |
USART_ClockInitStruct->USART_CPHA | USART_ClockInitStruct->USART_LastBit;
USARTx->CTLR2 = (uint16_t)tmpreg;
}
/*********************************************************************
* @fn USART_ClockStructInit
*
* @brief Fills each USART_ClockStructInit member with its default value.
*
* @param USART_ClockInitStruct: pointer to a USART_ClockInitTypeDef
* structure which will be initialized.
*
* @return none
*/
void USART_ClockStructInit(USART_ClockInitTypeDef *USART_ClockInitStruct)
{
USART_ClockInitStruct->USART_Clock = USART_Clock_Disable;
USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
USART_ClockInitStruct->USART_LastBit = USART_LastBit_Disable;
}
/*********************************************************************
* @fn USART_Cmd
*
* @brief Enables or disables the specified USART peripheral.
* reset values .
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState: ENABLE or DISABLE.
*
* @return none
*/
void USART_Cmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR1 |= CTLR1_UE_Set;
}
else
{
USARTx->CTLR1 &= CTLR1_UE_Reset;
}
}
/*********************************************************************
* @fn USART_ITConfig
*
* @brief Enables or disables the specified USART interrupts.
* reset values .
*
* @param USARTx - where x can be to select the USART peripheral.
* USART_IT - specifies the USART interrupt sources to be enabled or disabled.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TXE - Transmit Data Register empty interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* USART_IT_IDLE - Idle line detection interrupt.
* USART_IT_PE - Parity Error interrupt.
* USART_IT_ERR - Error interrupt.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_ITConfig(USART_TypeDef *USARTx, uint16_t USART_IT, FunctionalState NewState)
{
uint32_t usartreg = 0x00, itpos = 0x00, itmask = 0x00;
uint32_t usartxbase = 0x00;
usartxbase = (uint32_t)USARTx;
usartreg = (((uint8_t)USART_IT) >> 0x05);
itpos = USART_IT & IT_Mask;
itmask = (((uint32_t)0x01) << itpos);
if(usartreg == 0x01)
{
usartxbase += 0x0C;
}
else if(usartreg == 0x02)
{
usartxbase += 0x10;
}
else
{
usartxbase += 0x14;
}
if(NewState != DISABLE)
{
*(__IO uint32_t *)usartxbase |= itmask;
}
else
{
*(__IO uint32_t *)usartxbase &= ~itmask;
}
}
/*********************************************************************
* @fn USART_DMACmd
*
* @brief Enables or disables the USART DMA interface.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_DMAReq - specifies the DMA request.
* USART_DMAReq_Tx - USART DMA transmit request.
* USART_DMAReq_Rx - USART DMA receive request.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_DMACmd(USART_TypeDef *USARTx, uint16_t USART_DMAReq, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= USART_DMAReq;
}
else
{
USARTx->CTLR3 &= (uint16_t)~USART_DMAReq;
}
}
/*********************************************************************
* @fn USART_SetAddress
*
* @brief Sets the address of the USART node.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_Address - Indicates the address of the USART node.
*
* @return none
*/
void USART_SetAddress(USART_TypeDef *USARTx, uint8_t USART_Address)
{
USARTx->CTLR2 &= CTLR2_Address_Mask;
USARTx->CTLR2 |= USART_Address;
}
/*********************************************************************
* @fn USART_WakeUpConfig
*
* @brief Selects the USART WakeUp method.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_WakeUp - specifies the USART wakeup method.
* USART_WakeUp_IdleLine - WakeUp by an idle line detection.
* USART_WakeUp_AddressMark - WakeUp by an address mark.
*
* @return none
*/
void USART_WakeUpConfig(USART_TypeDef *USARTx, uint16_t USART_WakeUp)
{
USARTx->CTLR1 &= CTLR1_WAKE_Mask;
USARTx->CTLR1 |= USART_WakeUp;
}
/*********************************************************************
* @fn USART_ReceiverWakeUpCmd
*
* @brief Determines if the USART is in mute mode or not.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_ReceiverWakeUpCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR1 |= CTLR1_RWU_Set;
}
else
{
USARTx->CTLR1 &= CTLR1_RWU_Reset;
}
}
/*********************************************************************
* @fn USART_LINBreakDetectLengthConfig
*
* @brief Sets the USART LIN Break detection length.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_LINBreakDetectLength - specifies the LIN break detection length.
* USART_LINBreakDetectLength_10b - 10-bit break detection.
* USART_LINBreakDetectLength_11b - 11-bit break detection.
*
* @return none
*/
void USART_LINBreakDetectLengthConfig(USART_TypeDef *USARTx, uint16_t USART_LINBreakDetectLength)
{
USARTx->CTLR2 &= CTLR2_LBDL_Mask;
USARTx->CTLR2 |= USART_LINBreakDetectLength;
}
/*********************************************************************
* @fn USART_LINCmd
*
* @brief Enables or disables the USART LIN mode.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_LINCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR2 |= CTLR2_LINEN_Set;
}
else
{
USARTx->CTLR2 &= CTLR2_LINEN_Reset;
}
}
/*********************************************************************
* @fn USART_SendData
*
* @brief Transmits single data through the USARTx peripheral.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* Data - the data to transmit.
*
* @return none
*/
void USART_SendData(USART_TypeDef *USARTx, uint16_t Data)
{
USARTx->DATAR = (Data & (uint16_t)0x01FF);
}
/*********************************************************************
* @fn USART_ReceiveData
*
* @brief Returns the most recent received data by the USARTx peripheral.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
*
* @return The received data.
*/
uint16_t USART_ReceiveData(USART_TypeDef *USARTx)
{
return (uint16_t)(USARTx->DATAR & (uint16_t)0x01FF);
}
/*********************************************************************
* @fn USART_SendBreak
*
* @brief Transmits break characters.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
*
* @return none
*/
void USART_SendBreak(USART_TypeDef *USARTx)
{
USARTx->CTLR1 |= CTLR1_SBK_Set;
}
/*********************************************************************
* @fn USART_SetGuardTime
*
* @brief Sets the specified USART guard time.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_GuardTime - specifies the guard time.
*
* @return none
*/
void USART_SetGuardTime(USART_TypeDef *USARTx, uint8_t USART_GuardTime)
{
USARTx->GPR &= GPR_LSB_Mask;
USARTx->GPR |= (uint16_t)((uint16_t)USART_GuardTime << 0x08);
}
/*********************************************************************
* @fn USART_SetPrescaler
*
* @brief Sets the system clock prescaler.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_Prescaler - specifies the prescaler clock.
*
* @return none
*/
void USART_SetPrescaler(USART_TypeDef *USARTx, uint8_t USART_Prescaler)
{
USARTx->GPR &= GPR_MSB_Mask;
USARTx->GPR |= USART_Prescaler;
}
/*********************************************************************
* @fn USART_SmartCardCmd
*
* @brief Enables or disables the USART Smart Card mode.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_SmartCardCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_SCEN_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_SCEN_Reset;
}
}
/*********************************************************************
* @fn USART_SmartCardNACKCmd
*
* @brief Enables or disables NACK transmission.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_SmartCardNACKCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_NACK_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_NACK_Reset;
}
}
/*********************************************************************
* @fn USART_HalfDuplexCmd
*
* @brief Enables or disables the USART Half Duplex communication.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_HalfDuplexCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_HDSEL_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_HDSEL_Reset;
}
}
/*********************************************************************
* @fn USART_OverSampling8Cmd
*
* @brief Enables or disables the USART's 8x oversampling mode.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
* Note-
* This function has to be called before calling USART_Init()
* function in order to have correct baudrate Divider value.
* @return none
*/
void USART_OverSampling8Cmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR1 |= CTLR1_OVER8_Set;
}
else
{
USARTx->CTLR1 &= CTLR1_OVER8_Reset;
}
}
/*********************************************************************
* @fn USART_OneBitMethodCmd
*
* @brief Enables or disables the USART's one bit sampling method.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_OneBitMethodCmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_ONEBITE_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_ONEBITE_Reset;
}
}
/*********************************************************************
* @fn USART_IrDAConfig
*
* @brief Configures the USART's IrDA interface.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_IrDAMode - specifies the IrDA mode.
* USART_IrDAMode_LowPower.
* USART_IrDAMode_Normal.
*
* @return none
*/
void USART_IrDAConfig(USART_TypeDef *USARTx, uint16_t USART_IrDAMode)
{
USARTx->CTLR3 &= CTLR3_IRLP_Mask;
USARTx->CTLR3 |= USART_IrDAMode;
}
/*********************************************************************
* @fn USART_IrDACmd
*
* @brief Enables or disables the USART's IrDA interface.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void USART_IrDACmd(USART_TypeDef *USARTx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
USARTx->CTLR3 |= CTLR3_IREN_Set;
}
else
{
USARTx->CTLR3 &= CTLR3_IREN_Reset;
}
}
/*********************************************************************
* @fn USART_GetFlagStatus
*
* @brief Checks whether the specified USART flag is set or not.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_FLAG - specifies the flag to check.
* USART_FLAG_LBD - LIN Break detection flag.
* USART_FLAG_TXE - Transmit data register empty flag.
* USART_FLAG_TC - Transmission Complete flag.
* USART_FLAG_RXNE - Receive data register not empty flag.
* USART_FLAG_IDLE - Idle Line detection flag.
* USART_FLAG_ORE - OverRun Error flag.
* USART_FLAG_NE - Noise Error flag.
* USART_FLAG_FE - Framing Error flag.
* USART_FLAG_PE - Parity Error flag.
*
* @return bitstatus: SET or RESET
*/
FlagStatus USART_GetFlagStatus(USART_TypeDef *USARTx, uint16_t USART_FLAG)
{
FlagStatus bitstatus = RESET;
if((USARTx->STATR & USART_FLAG) != (uint16_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn USART_ClearFlag
*
* @brief Clears the USARTx's pending flags.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_FLAG - specifies the flag to clear.
* USART_FLAG_LBD - LIN Break detection flag.
* USART_FLAG_TC - Transmission Complete flag.
* USART_FLAG_RXNE - Receive data register not empty flag.
* Note-
* - PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
* error) and IDLE (Idle line detected) flags are cleared by software
* sequence: a read operation to USART_STATR register (USART_GetFlagStatus())
* followed by a read operation to USART_DATAR register (USART_ReceiveData()).
* - RXNE flag can be also cleared by a read to the USART_DATAR register
* (USART_ReceiveData()).
* - TC flag can be also cleared by software sequence: a read operation to
* USART_STATR register (USART_GetFlagStatus()) followed by a write operation
* to USART_DATAR register (USART_SendData()).
* - TXE flag is cleared only by a write to the USART_DATAR register
* (USART_SendData()).
* @return none
*/
void USART_ClearFlag(USART_TypeDef *USARTx, uint16_t USART_FLAG)
{
USARTx->STATR = (uint16_t)~USART_FLAG;
}
/*********************************************************************
* @fn USART_GetITStatus
*
* @brief Checks whether the specified USART interrupt has occurred or not.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_IT - specifies the USART interrupt source to check.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TXE - Tansmit Data Register empty interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* USART_IT_IDLE - Idle line detection interrupt.
* USART_IT_ORE_RX - OverRun Error interrupt if the RXNEIE bit is set.
* USART_IT_ORE_ER - OverRun Error interrupt if the EIE bit is set.
* USART_IT_NE - Noise Error interrupt.
* USART_IT_FE - Framing Error interrupt.
* USART_IT_PE - Parity Error interrupt.
*
* @return bitstatus: SET or RESET.
*/
ITStatus USART_GetITStatus(USART_TypeDef *USARTx, uint16_t USART_IT)
{
uint32_t bitpos = 0x00, itmask = 0x00, usartreg = 0x00;
ITStatus bitstatus = RESET;
usartreg = (((uint8_t)USART_IT) >> 0x05);
itmask = USART_IT & IT_Mask;
itmask = (uint32_t)0x01 << itmask;
if(usartreg == 0x01)
{
itmask &= USARTx->CTLR1;
}
else if(usartreg == 0x02)
{
itmask &= USARTx->CTLR2;
}
else
{
itmask &= USARTx->CTLR3;
}
bitpos = USART_IT >> 0x08;
bitpos = (uint32_t)0x01 << bitpos;
bitpos &= USARTx->STATR;
if((itmask != (uint16_t)RESET) && (bitpos != (uint16_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn USART_ClearITPendingBit
*
* @brief Clears the USARTx's interrupt pending bits.
*
* @param USARTx - where x can be 1 to select the USART peripheral.
* USART_IT - specifies the interrupt pending bit to clear.
* USART_IT_LBD - LIN Break detection interrupt.
* USART_IT_TC - Transmission complete interrupt.
* USART_IT_RXNE - Receive Data register not empty interrupt.
* Note-
* - PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
* error) and IDLE (Idle line detected) pending bits are cleared by
* software sequence: a read operation to USART_STATR register
* (USART_GetITStatus()) followed by a read operation to USART_DATAR register
* (USART_ReceiveData()).
* - RXNE pending bit can be also cleared by a read to the USART_DATAR register
* (USART_ReceiveData()).
* - TC pending bit can be also cleared by software sequence: a read
* operation to USART_STATR register (USART_GetITStatus()) followed by a write
* operation to USART_DATAR register (USART_SendData()).
* - TXE pending bit is cleared only by a write to the USART_DATAR register
* (USART_SendData()).
* @return none
*/
void USART_ClearITPendingBit(USART_TypeDef *USARTx, uint16_t USART_IT)
{
uint16_t bitpos = 0x00, itmask = 0x00;
bitpos = USART_IT >> 0x08;
itmask = ((uint16_t)0x01 << (uint16_t)bitpos);
USARTx->STATR = (uint16_t)~itmask;
}

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code/ch32v003_bootloader/periph/src/ch32v00x_wwdg.c Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_wwdg.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the WWDG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_rcc.h>
#include <ch32v00x_wwdg.h>
/* CTLR register bit mask */
#define CTLR_WDGA_Set ((uint32_t)0x00000080)
/* CFGR register bit mask */
#define CFGR_WDGTB_Mask ((uint32_t)0xFFFFFE7F)
#define CFGR_W_Mask ((uint32_t)0xFFFFFF80)
#define BIT_Mask ((uint8_t)0x7F)
/*********************************************************************
* @fn WWDG_DeInit
*
* @brief Deinitializes the WWDG peripheral registers to their default reset values
*
* @return none
*/
void WWDG_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
}
/*********************************************************************
* @fn WWDG_SetPrescaler
*
* @brief Sets the WWDG Prescaler
*
* @param WWDG_Prescaler - specifies the WWDG Prescaler
* WWDG_Prescaler_1 - WWDG counter clock = (PCLK1/4096)/1
* WWDG_Prescaler_2 - WWDG counter clock = (PCLK1/4096)/2
* WWDG_Prescaler_4 - WWDG counter clock = (PCLK1/4096)/4
* WWDG_Prescaler_8 - WWDG counter clock = (PCLK1/4096)/8
*
* @return none
*/
void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
{
uint32_t tmpreg = 0;
tmpreg = WWDG->CFGR & CFGR_WDGTB_Mask;
tmpreg |= WWDG_Prescaler;
WWDG->CFGR = tmpreg;
}
/*********************************************************************
* @fn WWDG_SetWindowValue
*
* @brief Sets the WWDG window value
*
* @param WindowValue - specifies the window value to be compared to the
* downcounter,which must be lower than 0x80
*
* @return none
*/
void WWDG_SetWindowValue(uint8_t WindowValue)
{
__IO uint32_t tmpreg = 0;
tmpreg = WWDG->CFGR & CFGR_W_Mask;
tmpreg |= WindowValue & (uint32_t)BIT_Mask;
WWDG->CFGR = tmpreg;
}
/*********************************************************************
* @fn WWDG_EnableIT
*
* @brief Enables the WWDG Early Wakeup interrupt(EWI)
*
* @return none
*/
void WWDG_EnableIT(void)
{
WWDG->CFGR |= (1 << 9);
}
/*********************************************************************
* @fn WWDG_SetCounter
*
* @brief Sets the WWDG counter value
*
* @param Counter - specifies the watchdog counter value,which must be a
* number between 0x40 and 0x7F
*
* @return none
*/
void WWDG_SetCounter(uint8_t Counter)
{
WWDG->CTLR = Counter & BIT_Mask;
}
/*********************************************************************
* @fn WWDG_Enable
*
* @brief Enables WWDG and load the counter value
*
* @param Counter - specifies the watchdog counter value,which must be a
* number between 0x40 and 0x7F
* @return none
*/
void WWDG_Enable(uint8_t Counter)
{
WWDG->CTLR = CTLR_WDGA_Set | Counter;
}
/*********************************************************************
* @fn WWDG_GetFlagStatus
*
* @brief Checks whether the Early Wakeup interrupt flag is set or not
*
* @return The new state of the Early Wakeup interrupt flag (SET or RESET)
*/
FlagStatus WWDG_GetFlagStatus(void)
{
return (FlagStatus)(WWDG->STATR);
}
/*********************************************************************
* @fn WWDG_ClearFlag
*
* @brief Clears Early Wakeup interrupt flag
*
* @return none
*/
void WWDG_ClearFlag(void)
{
WWDG->STATR = (uint32_t)RESET;
}

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code/ch32v003_bootloader/startup/startup_ch32v00x.S Normal file
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;/********************************** (C) COPYRIGHT *******************************
;* File Name : startup_ch32v00x.s
;* Author : WCH
;* Version : V1.0.0
;* Date : 2022/08/08
;* Description : vector table for eclipse toolchain.
;*********************************************************************************
;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
;* Attention: This software (modified or not) and binary are used for
;* microcontroller manufactured by Nanjing Qinheng Microelectronics.
;*******************************************************************************/
.section .init, "ax", @progbits
.globl _start
.align 2
_start:
.option norvc;
j handle_reset
.word 0
.word NMI_Handler /* NMI Handler */
.word HardFault_Handler /* Hard Fault Handler */
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word SysTick_Handler /* SysTick Handler */
.word 0
.word SW_Handler /* SW Handler */
.word 0
/* External Interrupts */
.word WWDG_IRQHandler /* Window Watchdog */
.word PVD_IRQHandler /* PVD through EXTI Line detect */
.word FLASH_IRQHandler /* Flash */
.word RCC_IRQHandler /* RCC */
.word EXTI7_0_IRQHandler /* EXTI Line 7..0 */
.word AWU_IRQHandler /* AWU */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word ADC1_IRQHandler /* ADC1 */
.word I2C1_EV_IRQHandler /* I2C1 Event */
.word I2C1_ER_IRQHandler /* I2C1 Error */
.word USART1_IRQHandler /* USART1 */
.word SPI1_IRQHandler /* SPI1 */
.word TIM1_BRK_IRQHandler /* TIM1 Break */
.word TIM1_UP_IRQHandler /* TIM1 Update */
.word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.word TIM2_IRQHandler /* TIM2 */
.option rvc;
.section .text.vector_handler, "ax", @progbits
.weak NMI_Handler
.weak HardFault_Handler
.weak SysTick_Handler
.weak SW_Handler
.weak WWDG_IRQHandler
.weak PVD_IRQHandler
.weak FLASH_IRQHandler
.weak RCC_IRQHandler
.weak EXTI7_0_IRQHandler
.weak AWU_IRQHandler
.weak DMA1_Channel1_IRQHandler
.weak DMA1_Channel2_IRQHandler
.weak DMA1_Channel3_IRQHandler
.weak DMA1_Channel4_IRQHandler
.weak DMA1_Channel5_IRQHandler
.weak DMA1_Channel6_IRQHandler
.weak DMA1_Channel7_IRQHandler
.weak ADC1_IRQHandler
.weak I2C1_EV_IRQHandler
.weak I2C1_ER_IRQHandler
.weak USART1_IRQHandler
.weak SPI1_IRQHandler
.weak TIM1_BRK_IRQHandler
.weak TIM1_UP_IRQHandler
.weak TIM1_TRG_COM_IRQHandler
.weak TIM1_CC_IRQHandler
.weak TIM2_IRQHandler
NMI_Handler: 1: j 1b
HardFault_Handler: 1: j 1b
SysTick_Handler: 1: j 1b
SW_Handler: 1: j 1b
WWDG_IRQHandler: 1: j 1b
PVD_IRQHandler: 1: j 1b
FLASH_IRQHandler: 1: j 1b
RCC_IRQHandler: 1: j 1b
EXTI7_0_IRQHandler: 1: j 1b
AWU_IRQHandler: 1: j 1b
DMA1_Channel1_IRQHandler: 1: j 1b
DMA1_Channel2_IRQHandler: 1: j 1b
DMA1_Channel3_IRQHandler: 1: j 1b
DMA1_Channel4_IRQHandler: 1: j 1b
DMA1_Channel5_IRQHandler: 1: j 1b
DMA1_Channel6_IRQHandler: 1: j 1b
DMA1_Channel7_IRQHandler: 1: j 1b
ADC1_IRQHandler: 1: j 1b
I2C1_EV_IRQHandler: 1: j 1b
I2C1_ER_IRQHandler: 1: j 1b
USART1_IRQHandler: 1: j 1b
SPI1_IRQHandler: 1: j 1b
TIM1_BRK_IRQHandler: 1: j 1b
TIM1_UP_IRQHandler: 1: j 1b
TIM1_TRG_COM_IRQHandler: 1: j 1b
TIM1_CC_IRQHandler: 1: j 1b
TIM2_IRQHandler: 1: j 1b
.section .text.handle_reset, "ax", @progbits
.weak handle_reset
.align 1
handle_reset:
.option push
.option norelax
la gp, __global_pointer$
.option pop
1:
la sp, _eusrstack
2:
/* Load data section from flash to RAM */
la a0, _data_lma
la a1, _data_vma
la a2, _edata
bgeu a1, a2, 2f
1:
lw t0, (a0)
sw t0, (a1)
addi a0, a0, 4
addi a1, a1, 4
bltu a1, a2, 1b
2:
/* clear bss section */
la a0, _sbss
la a1, _ebss
bgeu a0, a1, 2f
1:
sw zero, (a0)
addi a0, a0, 4
bltu a0, a1, 1b
2:
li t0, 0x80
csrw mstatus, t0
li t0, 0x3
csrw 0x804, t0
la t0, _start
ori t0, t0, 3
csrw mtvec, t0
jal SystemInit
la t0, main
csrw mepc, t0
mret

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code/ch32v003_bootloader/user/ch32v00x_conf.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_conf.h
* Author : WCH
* Version : V1.0.0
* Date : 2020/08/08
* Description : Library configuration file.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_CONF_H
#define __CH32V00x_CONF_H
#include <ch32v00x_adc.h>
#include <ch32v00x_dbgmcu.h>
#include <ch32v00x_dma.h>
#include <ch32v00x_exti.h>
#include <ch32v00x_flash.h>
#include <ch32v00x_gpio.h>
#include <ch32v00x_i2c.h>
#include <ch32v00x_it.h>
#include <ch32v00x_iwdg.h>
#include <ch32v00x_misc.h>
#include <ch32v00x_pwr.h>
#include <ch32v00x_rcc.h>
#include <ch32v00x_spi.h>
#include <ch32v00x_tim.h>
#include <ch32v00x_usart.h>
#include <ch32v00x_wwdg.h>
#include <ch32v00x_opa.h>
#endif /* __CH32V00x_CONF_H */

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code/ch32v003_bootloader/user/ch32v00x_it.c Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_it.c
* Author : WCH
* Version : V1.0.0
* Date : 2023/12/25
* Description : Main Interrupt Service Routines.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_it.h>
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
* @fn NMI_Handler
*
* @brief This function handles NMI exception.
*
* @return none
*/
void NMI_Handler(void)
{
while (1)
{
}
}
/*********************************************************************
* @fn HardFault_Handler
*
* @brief This function handles Hard Fault exception.
*
* @return none
*/
void HardFault_Handler(void)
{
while (1)
{
}
}

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code/ch32v003_bootloader/user/ch32v00x_it.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_it.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains the headers of the interrupt handlers.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_IT_H
#define __CH32V00x_IT_H
#include "debug.h"
#endif /* __CH32V00x_IT_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : iap.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/11/21
* Description : CH32V003 fast program
*******************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "flash.h"
#include "string.h"
u32 Verity_buf[32];
/*********************************************************************
* @fn CH32_IAP_Program
*
* @brief adr - 64Byte stand
* buf - 64Byte stand
*
* @return none
*/
void CH32_IAP_Program(u32 adr, u32* buf)
{
adr &= 0xFFFFFFC0;
FLASH_BufReset();
for(int j=0;j<16;j++)
{
FLASH_BufLoad(adr+4*j, buf[j]);
}
FLASH_ProgramPage_Fast(adr);
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : falsh.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/11/21
* Description :
*******************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __FLASH_H
#define __FLASH_H
#include "ch32v00x_it.h"
#include "stdio.h"
u8 CH32_IAP_Verity(u32 adr, u32* buf);
void CH32_IAP_Program(u32 adr, u32* buf);
void CH32_IAP_ERASE(u32 Start_adr, u32 End_adr);
#endif

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/********************************** (C) COPYRIGHT *******************************
* File Name : iap.c
* Author : WCH
* Version : V1.0.0
* Date : 2023/12/21
* Description : IAP
*******************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "iap.h"
#include "string.h"
#include "flash.h"
#include "core_riscv.h"
/******************************************************************************/
#define FLASH_Base 0x08000000
#define USBD_DATA_SIZE 64
u32 Program_addr = FLASH_Base;
u32 Verity_addr = FLASH_Base;
u8 Verity_Star_flag = 0;
u8 Fast_Program_Buf[128];
u16 CodeLen = 0;
u8 End_Flag = 0;
u8 EP2_Rx_Buffer[USBD_DATA_SIZE];
#define isp_cmd_t ((isp_cmd *)EP2_Rx_Buffer)
/*********************************************************************
* @fn USART1_CFG
*
* @brief GPIOD-USART1 init
*
* @return
*/
void USART1_CFG(u32 baudrate)
{
// configure GPIO pins for USART mode
GPIOD->CFGLR = 0x48B44444; // Set GPIOD Mode, Speed
GPIOD->BCR = (((uint32_t)0x01) << 6);
// configure USART
USART1->CTLR2 |= USART_StopBits_1;
USART1->CTLR1 = USART_Parity_No | USART_Mode_Rx | USART_Mode_Tx; // Set USART mode, Parity
USART1->CTLR3 |= USART_HardwareFlowControl_None;
USART1->BRR = (8 << 4) | 11; // 115200; use 0x34 for 460800
USART1->CTLR1 |= ((uint16_t)0x2000); // enable USART
}
/*********************************************************************
* @fn RecData_Deal
*
* @brief UART-USB
*
* @return ERR_ERROR - ERROR
* ERR_SCUESS - SCUESS
* ERR_End - End
*/
u8 RecData_Deal(void)
{
u8 i, s, Lenth;
Lenth = isp_cmd_t->Len;
switch ( isp_cmd_t->Cmd) {
case CMD_IAP_ERASE:
FLASH_Unlock_Fast();
FLASH_EraseAllPages();
s = ERR_SCUESS;
break;
case CMD_IAP_PROM:
for (i = 0; i < Lenth; i++) {
Fast_Program_Buf[CodeLen + i] = isp_cmd_t->data[i];
}
CodeLen += Lenth;
if (CodeLen >= 64) {
CH32_IAP_Program(Program_addr, (u32*) Fast_Program_Buf);
CodeLen -= 64;
for (i = 0; i < CodeLen; i++) {
Fast_Program_Buf[i] = Fast_Program_Buf[64 + i];
}
Program_addr += 0x40;
}
s = ERR_SCUESS;
break;
case CMD_IAP_VERIFY:
if (Verity_Star_flag == 0) {
Verity_Star_flag = 1;
for (i = 0; i < (64 - CodeLen); i++) {
Fast_Program_Buf[CodeLen + i] = 0xFF;
}
CH32_IAP_Program(Program_addr, (u32*) Fast_Program_Buf);
CodeLen = 0;
}
s = ERR_SCUESS;
for (i = 0; i < Lenth; i++) {
if (isp_cmd_t->data[i] != *(u8*) (Verity_addr + i)) {
s = ERR_ERROR;
break;
}
}
Verity_addr += Lenth;
break;
case CMD_IAP_END:
Verity_Star_flag = 0;
End_Flag = 1;
Program_addr = FLASH_Base;
Verity_addr = FLASH_Base;
s = ERR_End;
FLASH->CTLR |= ((uint32_t)0x00008000);
FLASH->CTLR |= ((uint32_t)0x00000080);
break;
default:
s = ERR_ERROR;
break;
}
return s;
}
/*********************************************************************
* @fn GPIO_Cfg_init
*
* @brief GPIOC init
*
* @return none
*/
void GPIO_Cfg_init(void)
{
}
/*********************************************************************
* @fn PC0_Check
*
* @brief Check PC0 state
*
* @return 1 - IAP
* 0 - APP
*/
u8 btn2_pushed(void)
{
// configure GPIOC
GPIOC->BCR = GPIO_Pin_4; // configure pull-down
GPIOC->CFGLR &= ~(0x04 << (4 * 4)); // clear PC4 config
GPIOC->CFGLR |= 0x08 << (4 * 4); // configure PC4 as pullup/down input
// GPIOC->BSHR = ((uint32_t)0x01);
// is button pushed (active high)?
return (GPIOC->INDR & GPIO_Pin_4); // ^ GPIO_Pin_4;
}
/*********************************************************************
* @fn UART3_SendMultiyData
*
* @brief Deal device Endpoint 3 OUT.
*
* @param l: Data length.
*
* @return none
*/
void UART1_SendMultiyData(u8* pbuf, u8 num)
{
u8 i = 0;
while(i<num)
{
while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
USART_SendData(USART1, pbuf[i]);
i++;
}
}
/*********************************************************************
* @fn UART1_SendMultiyData
*
* @brief USART3 send data
*
* @param pbuf - Packet to be sent
* num - Number of data sent
*
* @return none
*/
void UART1_SendData(u8 data)
{
while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
USART_SendData(USART1, data);
}
/*********************************************************************
* @fn Uart1_Rx
*
* @brief Uart3 receive date
*
* @return none
*/
u8 Uart1_Rx(void)
{
while( USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET);
return USART_ReceiveData( USART1);
}
/*********************************************************************
* @fn UART_Rx_Deal
*
* @brief UART Rx data deal
*
* @return none
*/
void UART_Rx_Deal(void)
{
u8 i, s;
u8 Data_add = 0;
if (Uart1_Rx() == Uart_Sync_Head1)
{
if (Uart1_Rx() == Uart_Sync_Head2)
{
isp_cmd_t->Cmd = Uart1_Rx();
Data_add += isp_cmd_t->Cmd;
isp_cmd_t->Len = Uart1_Rx();
Data_add += isp_cmd_t->Len;
isp_cmd_t->Rev[0] = Uart1_Rx();
Data_add += isp_cmd_t->Rev[0];
isp_cmd_t->Rev[1] = Uart1_Rx();
Data_add += isp_cmd_t->Rev[1];
if ((isp_cmd_t->Cmd == CMD_IAP_PROM)
|| (isp_cmd_t->Cmd == CMD_IAP_VERIFY))
{
for (i = 0; i < isp_cmd_t->Len; i++) {
isp_cmd_t->data[i] = Uart1_Rx();
Data_add += isp_cmd_t->data[i];
}
}
if (Uart1_Rx() == Data_add)
{
s = RecData_Deal();
if (s != ERR_End)
{
UART1_SendData(0x00);
if (s == ERR_ERROR)
{
UART1_SendData(0x01);
}
else
{
UART1_SendData(0x00);
}
}
}
}
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : iap.h
* Author : WCH
* Version : V1.0.0
* Date : 2020/12/16
* Description : IAP
*******************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __IAP_H
#define __IAP_H
#include "ch32v00x.h"
#include "stdio.h"
#define USBD_DATA_SIZE 64
#define BUILD_UINT16(loByte, hiByte) ((UINT16)(((loByte) & 0x00FF) | (((hiByte) & 0x00FF) << 8)))
#define BUILD_UINT32(Byte0, Byte1, Byte2, Byte3) \
((UINT32)((UINT32)((Byte0) & 0x00FF) \
+ ((((UINT32)Byte1) & 0x00FF) << 8) \
+ ((((UINT32)Byte2) & 0x00FF) << 16) \
+ ((((UINT32)Byte3) & 0x00FF) << 24)))
#define Uart_Sync_Head1 0x57
#define Uart_Sync_Head2 0xab
#define CMD_IAP_PROM 0x80
#define CMD_IAP_ERASE 0x81
#define CMD_IAP_VERIFY 0x82
#define CMD_IAP_END 0x83
#define ERR_SCUESS 0x00
#define ERR_ERROR 0x01
#define ERR_End 0x02
typedef struct __attribute__ ((aligned(4)))_ISP_CMD {
u8 Cmd;
u8 Len;
u8 Rev[2];
u8 data[60];
} isp_cmd;
typedef void (*iapfun)(void);
extern u8 EP2_Rx_Buffer[USBD_DATA_SIZE];
u8 RecData_Deal(void);
void GPIO_Cfg_init(void);
void USART1_CFG(u32 baudrate);
void UART_Rx_Deal(void);
u8 btn2_pushed(void);
#endif

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/********************************** (C) COPYRIGHT *******************************
* File Name : main.c
* Author : WCH
* Version : V1.0.0
* Date : 2023/12/25
* Description : Main program body.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/*
*@Note
*IAP upgrade routine:
*Support serial port for FLASH burning
*
*1. Use the IAP download tool to realize the download PC0 floating (default pull-up input)
*2. After downloading the APP, connect PC0 to ground (low level input), and press the
*reset button to run the APP program.
*3. use WCH-LinkUtility.exe download to BOOT(adr-0x1FFFF000)
*
*/
#include "debug.h"
#include "string.h"
#include "iap.h"
/*********************************************************************
* @fn IAP_2_APP
*
* @brief IAP_2_APP program.
*
* @return none
*/
void IAP_2_APP(void)
{
RCC_ClearFlag();
SystemReset_StartMode(Start_Mode_USER);
NVIC_SystemReset();
}
/*********************************************************************
* @fn main
*
* @brief Main program.
*
* @return none
*/
int main(void)
{
// Enable GPIOD,USART1, GPIOC clock
RCC->APB2PCENR |= (RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOC);
USART1_CFG(115200);
if(!btn2_pushed()) {
IAP_2_APP();
while(1);
}
while(1) {
if(USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET) {
UART_Rx_Deal();
}
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v00x.c
* Author : WCH
* Version : V1.0.0
* Date : 2023/12/21
* Description : CH32V00x Device Peripheral Access Layer System Source File.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x.h>
/*
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
* reset the HSI is used as SYSCLK source).
* If none of the define below is enabled, the HSI is used as System clock source.
*/
//#define SYSCLK_FREQ_8MHz_HSI 8000000
#define SYSCLK_FREQ_24MHZ_HSI HSI_VALUE
//#define SYSCLK_FREQ_48MHZ_HSI 48000000
//#define SYSCLK_FREQ_8MHz_HSE 8000000
//#define SYSCLK_FREQ_24MHz_HSE HSE_VALUE
//#define SYSCLK_FREQ_48MHz_HSE 48000000
/* Clock Definitions */
#ifdef SYSCLK_FREQ_8MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_8MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_24MHZ_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_24MHZ_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHZ_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHZ_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_8MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_8MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_24MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_24MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
#else
uint32_t SystemCoreClock = HSI_VALUE;
#endif
__I uint8_t AHBPrescTable[16] = {1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8};
/* system_private_function_proto_types */
static void SetSysClock(void);
#ifdef SYSCLK_FREQ_8MHz_HSI
static void SetSysClockTo_8MHz_HSI(void);
#elif defined SYSCLK_FREQ_24MHZ_HSI
static void SetSysClockTo_24MHZ_HSI(void);
#elif defined SYSCLK_FREQ_48MHZ_HSI
static void SetSysClockTo_48MHZ_HSI(void);
#elif defined SYSCLK_FREQ_8MHz_HSE
static void SetSysClockTo_8MHz_HSE(void);
#elif defined SYSCLK_FREQ_24MHz_HSE
static void SetSysClockTo_24MHz_HSE(void);
#elif defined SYSCLK_FREQ_48MHz_HSE
static void SetSysClockTo_48MHz_HSE(void);
#endif
/*********************************************************************
* @fn SystemInit
*
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
* the PLL and update the SystemCoreClock variable.
*
* @return none
*/
void SystemInit (void)
{
RCC->CTLR |= (uint32_t)0x00000001;
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
RCC->CFGR0 &= (uint32_t)0xFFFEFFFF;
RCC->INTR = 0x009F0000;
RCC_AdjustHSICalibrationValue(0x10);
SetSysClock();
}
/*********************************************************************
* @fn SystemCoreClockUpdate
*
* @brief Update SystemCoreClock variable according to Clock Register Values.
*
* @return none
*/
void SystemCoreClockUpdate (void)
{
uint32_t tmp = 0, pllsource = 0;
tmp = RCC->CFGR0 & RCC_SWS;
switch (tmp)
{
case 0x00:
SystemCoreClock = HSI_VALUE;
break;
case 0x04:
SystemCoreClock = HSE_VALUE;
break;
case 0x08:
pllsource = RCC->CFGR0 & RCC_PLLSRC;
if (pllsource == 0x00)
{
SystemCoreClock = HSI_VALUE * 2;
}
else
{
SystemCoreClock = HSE_VALUE * 2;
}
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
if(((RCC->CFGR0 & RCC_HPRE) >> 4) < 8)
{
SystemCoreClock /= tmp;
}
else
{
SystemCoreClock >>= tmp;
}
}
/*********************************************************************
* @fn SetSysClock
*
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClock(void)
{
RCC->APB2PCENR |= RCC_APB2Periph_GPIOD;
GPIOD->CFGLR&=(~0xF0);
GPIOD->CFGLR|=0x80;
GPIOD->BSHR =0x2;
//GPIO_IPD_Unused();
#ifdef SYSCLK_FREQ_8MHz_HSI
SetSysClockTo_8MHz_HSI();
#elif defined SYSCLK_FREQ_24MHZ_HSI
SetSysClockTo_24MHZ_HSI();
#elif defined SYSCLK_FREQ_48MHZ_HSI
SetSysClockTo_48MHZ_HSI();
#elif defined SYSCLK_FREQ_8MHz_HSE
SetSysClockTo_8MHz_HSE();
#elif defined SYSCLK_FREQ_24MHz_HSE
SetSysClockTo_24MHz_HSE();
#elif defined SYSCLK_FREQ_48MHz_HSE
SetSysClockTo_48MHz_HSE();
#endif
/* If none of the define above is enabled, the HSI is used as System clock.
* source (default after reset)
*/
}
#ifdef SYSCLK_FREQ_8MHz_HSI
/*********************************************************************
* @fn SetSysClockTo_8MHz_HSI
*
* @brief Sets HSI as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_8MHz_HSI(void)
{
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_0;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV3;
}
#elif defined SYSCLK_FREQ_24MHZ_HSI
/*********************************************************************
* @fn SetSysClockTo_24MHZ_HSI
*
* @brief Sets System clock frequency to 24MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_24MHZ_HSI(void)
{
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_0;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
}
#elif defined SYSCLK_FREQ_48MHZ_HSI
/*********************************************************************
* @fn SetSysClockTo_48MHZ_HSI
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_48MHZ_HSI(void)
{
uint8_t tmp = 0;
tmp = *( uint8_t * )CFG0_PLL_TRIM;
if(tmp != 0xFF)
{
RCC_AdjustHSICalibrationValue((tmp & 0x1F));
}
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_1;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PLL configuration: PLLCLK = HSI * 2 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Mul2);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_8MHz_HSE
/*********************************************************************
* @fn SetSysClockTo_8MHz_HSE
*
* @brief Sets System clock frequency to 8MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_8MHz_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
/* Close PA0-PA1 GPIO function */
RCC->APB2PCENR |= RCC_AFIOEN;
AFIO->PCFR1 |= (1<<15);
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_0;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV3;
/* Select HSE as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
/* Wait till HSE is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_24MHz_HSE
/*********************************************************************
* @fn SetSysClockTo_24MHz_HSE
*
* @brief Sets System clock frequency to 24MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_24MHz_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
/* Close PA0-PA1 GPIO function */
RCC->APB2PCENR |= RCC_AFIOEN;
AFIO->PCFR1 |= (1<<15);
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_0;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* Select HSE as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
/* Wait till HSE is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_48MHz_HSE
/*********************************************************************
* @fn SetSysClockTo_48MHz_HSE
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo_48MHz_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
/* Close PA0-PA1 GPIO function */
RCC->APB2PCENR |= RCC_AFIOEN;
AFIO->PCFR1 |= (1<<15);
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* Flash 0 wait state */
FLASH->ACTLR &= (uint32_t)((uint32_t)~FLASH_ACTLR_LATENCY);
FLASH->ACTLR |= (uint32_t)FLASH_ACTLR_LATENCY_1;
/* HCLK = SYSCLK = APB1 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PLL configuration: PLLCLK = HSE * 2 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE_Mul2);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#endif

32
code/ch32v003_bootloader/user/system_ch32v00x.h Normal file
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@ -0,0 +1,32 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v00x.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : CH32V00x Device Peripheral Access Layer System Header File.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __SYSTEM_CH32V00x_H
#define __SYSTEM_CH32V00x_H
#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
/* System_Exported_Functions */
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_SYSTEM_H */

151
code/firmware/.cproject Normal file
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@ -0,0 +1,151 @@
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<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver.1292785366" name="GNU RISC-V Cross Archiver" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver"/>
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash.1801165667" name="GNU RISC-V Cross Create Flash Image" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash">
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37
code/firmware/.project Normal file
View File

@ -0,0 +1,37 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<projectDescription>
<name>retro_tech_fw</name>
<comment/>
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14
code/firmware/.settings/language.settings.xml Normal file
View File

@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-81056540666306824" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
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73
code/firmware/.settings/org.eclipse.cdt.codan.core.prefs Normal file
View File

@ -0,0 +1,73 @@
eclipse.preferences.version=1
org.eclipse.cdt.codan.checkers.errnoreturn=Warning
org.eclipse.cdt.codan.checkers.errnoreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return\\")",implicit\=>false}
org.eclipse.cdt.codan.checkers.errreturnvalue=Error
org.eclipse.cdt.codan.checkers.errreturnvalue.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused return value\\")"}
org.eclipse.cdt.codan.checkers.nocommentinside=-Error
org.eclipse.cdt.codan.checkers.nocommentinside.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Nesting comments\\")"}
org.eclipse.cdt.codan.checkers.nolinecomment=-Error
org.eclipse.cdt.codan.checkers.nolinecomment.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Line comments\\")"}
org.eclipse.cdt.codan.checkers.noreturn=Error
org.eclipse.cdt.codan.checkers.noreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return value\\")",implicit\=>false}
org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation=Error
org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Abstract class cannot be instantiated\\")"}
org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem=Error
org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Ambiguous problem\\")"}
org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem=Warning
org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment in condition\\")"}
org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem=Error
org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment to itself\\")"}
org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem=Warning
org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No break at end of case\\")",no_break_comment\=>"no break",last_case_param\=>false,empty_case_param\=>false,enable_fallthrough_quickfix_param\=>false}
org.eclipse.cdt.codan.internal.checkers.CatchByReference=Warning
org.eclipse.cdt.codan.internal.checkers.CatchByReference.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Catching by reference is recommended\\")",unknown\=>false,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem=Error
org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Circular inheritance\\")"}
org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization=Warning
org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class members should be properly initialized\\")",skip\=>true}
org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem=Error
org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid 'decltype(auto)' specifier\\")"}
org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Field cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Function cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.InvalidArguments=Error
org.eclipse.cdt.codan.internal.checkers.InvalidArguments.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid arguments\\")"}
org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem=Error
org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid template argument\\")"}
org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem=Error
org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Label statement not found\\")"}
org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem=Error
org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Member declaration not found\\")"}
org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Method cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker=-Info
org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Name convention for function\\")",pattern\=>"^[a-z]",macro\=>true,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem=Warning
org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class has a virtual method and non-virtual destructor\\")"}
org.eclipse.cdt.codan.internal.checkers.OverloadProblem=Error
org.eclipse.cdt.codan.internal.checkers.OverloadProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid overload\\")"}
org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem=Error
org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redeclaration\\")"}
org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem=Error
org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redefinition\\")"}
org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Return with parenthesis\\")"}
org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Format String Vulnerability\\")"}
org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem=Warning
org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Statement has no effect\\")",macro\=>true,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem=Warning
org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suggested parenthesis around expression\\")",paramNot\=>false}
org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem=Warning
org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suspicious semicolon\\")",else\=>false,afterelse\=>false}
org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Type cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused function declaration\\")",macro\=>true}
org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused static function\\")",macro\=>true}
org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused variable declaration in file scope\\")",macro\=>true,exceptions\=>("@(\#)","$Id")}
org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Symbol is not resolved\\")"}

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eclipse.preferences.version=1
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/CPATH/delimiter=;
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/CPATH/operation=remove
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/C_INCLUDE_PATH/delimiter=;
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/C_INCLUDE_PATH/operation=remove
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/append=true
environment/buildEnvironmentInclude/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/appendContributed=true
environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/LIBRARY_PATH/delimiter=;
environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/LIBRARY_PATH/operation=remove
environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/append=true
environment/buildEnvironmentLibrary/ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074/appendContributed=true

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eclipse.preferences.version=1
encoding//core/core_riscv.h=GBK
encoding//periph/inc/ch32v00x.h=GBK
encoding//periph/inc/ch32v00x_adc.h=GBK
encoding//periph/inc/ch32v00x_gpio.h=GBK
encoding//periph/inc/ch32v00x_i2c.h=GBK
encoding//periph/inc/ch32v00x_pwr.h=GBK
encoding//periph/inc/ch32v00x_rcc.h=GBK
encoding//periph/src/ch32v00x_adc.c=GBK
encoding//periph/src/ch32v00x_dbgmcu.c=GBK
encoding//periph/src/ch32v00x_gpio.c=GBK
encoding//periph/src/ch32v00x_i2c.c=GBK
encoding//periph/src/ch32v00x_misc.c=GBK
encoding//periph/src/ch32v00x_pwr.c=GBK
encoding//periph/src/ch32v00x_rcc.c=GBK
encoding//user/ch32v00x_conf.h=GBK
encoding//user/ch32v00x_it.c=GBK
encoding//user/ch32v00x_it.h=GBK
encoding//user/main.c=GBK
encoding//user/src/31fl3729.c=GBK
encoding//user/src/31fl3729.h=GBK
encoding//user/src/adc.c=GBK
encoding//user/src/adc.h=GBK
encoding//user/src/btn.c=GBK
encoding//user/src/btn.h=GBK
encoding//user/src/config.c=GBK
encoding//user/src/config.h=GBK
encoding//user/src/eeprom.c=GBK
encoding//user/src/eeprom.h=GBK
encoding//user/src/hsv2rgb.c=GBK
encoding//user/src/hsv2rgb.h=GBK
encoding//user/src/i2c.c=GBK
encoding//user/src/i2c.h=GBK
encoding//user/src/led.c=GBK
encoding//user/src/led.h=GBK
encoding//user/src/led_rgbprog.c=GBK
encoding//user/src/led_rgbprog.h=GBK
encoding//user/src/rand.c=GBK
encoding//user/src/rand.h=GBK
encoding//user/src/ui.c=GBK
encoding//user/src/ui.h=GBK
encoding//user/system_ch32v00x.c=GBK
encoding//user/system_ch32v00x.h=UTF-8
encoding/CH32V003F4P6.launch=GBK

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Mcu Type=CH32V00x
Address=0x08000000
Target Path=obj/CH32V003F4P6.hex
Erase All=true
Program=true
Verify=true
Reset=true
Vendor=WCH
Link=WCH-Link
Toolchain=RISC-V
Series=CH32V003
RTOS=NoneOS
Description=Website: https://www.wch.cn/products/CH32V003.html?\nThe CH32V003 series is an industral-grade general-purpose microcontroller designed based on the highland barley RISCV-V2A core, and supports 48MHz system frequency in terms of product functions. This series has the characteristics of wide voltage, single-wire debugging, low power consumption, ultra-small package and so on. Provide common peripheral functions, built-in 1 set of DMA controller, 1 set of 10-bit analog-to-digital conversion ADC, 1 set of op amp comparator, multiple sets of timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated working voltage of the product is 3.3V or 5V, and the working temperature range is -40'C~85'C industrial grade.
PeripheralVersion=1.6
MCU=CH32V003F4P6

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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : RISC-V Core Peripheral Access Layer Source File
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <stdint.h>
/* define compiler specific symbols */
#if defined(__CC_ARM)
#define __ASM __asm /*!< asm keyword for ARM Compiler */
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
#elif defined(__ICCARM__)
#define __ASM __asm /*!< asm keyword for IAR Compiler */
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
#elif defined(__GNUC__)
#define __ASM __asm /*!< asm keyword for GNU Compiler */
#define __INLINE inline /*!< inline keyword for GNU Compiler */
#elif defined(__TASKING__)
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
/*********************************************************************
* @fn __get_MSTATUS
*
* @brief Return the Machine Status Register
*
* @return mstatus value
*/
uint32_t __get_MSTATUS(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mstatus": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MSTATUS
*
* @brief Set the Machine Status Register
*
* @param value - set mstatus value
*
* @return none
*/
void __set_MSTATUS(uint32_t value)
{
__ASM volatile("csrw mstatus, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MISA
*
* @brief Return the Machine ISA Register
*
* @return misa value
*/
uint32_t __get_MISA(void)
{
uint32_t result;
__ASM volatile("csrr %0,""misa" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MISA
*
* @brief Set the Machine ISA Register
*
* @param value - set misa value
*
* @return none
*/
void __set_MISA(uint32_t value)
{
__ASM volatile("csrw misa, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MTVEC
*
* @brief Return the Machine Trap-Vector Base-Address Register
*
* @return mtvec value
*/
uint32_t __get_MTVEC(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mtvec": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MTVEC
*
* @brief Set the Machine Trap-Vector Base-Address Register
*
* @param value - set mtvec value
*
* @return none
*/
void __set_MTVEC(uint32_t value)
{
__ASM volatile("csrw mtvec, %0":: "r"(value));
}
/*********************************************************************
* @fn __get_MSCRATCH
*
* @brief Return the Machine Seratch Register
*
* @return mscratch value
*/
uint32_t __get_MSCRATCH(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mscratch" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MSCRATCH
*
* @brief Set the Machine Seratch Register
*
* @param value - set mscratch value
*
* @return none
*/
void __set_MSCRATCH(uint32_t value)
{
__ASM volatile("csrw mscratch, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MEPC
*
* @brief Return the Machine Exception Program Register
*
* @return mepc value
*/
uint32_t __get_MEPC(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mepc" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Exception Program Register
*
* @return mepc value
*/
void __set_MEPC(uint32_t value)
{
__ASM volatile("csrw mepc, %0" : : "r"(value));
}
/*********************************************************************
* @fn __get_MCAUSE
*
* @brief Return the Machine Cause Register
*
* @return mcause value
*/
uint32_t __get_MCAUSE(void)
{
uint32_t result;
__ASM volatile("csrr %0," "mcause": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_MEPC
*
* @brief Set the Machine Cause Register
*
* @return mcause value
*/
void __set_MCAUSE(uint32_t value)
{
__ASM volatile("csrw mcause, %0":: "r"(value));
}
/*********************************************************************
* @fn __get_MVENDORID
*
* @brief Return Vendor ID Register
*
* @return mvendorid value
*/
uint32_t __get_MVENDORID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mvendorid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MARCHID
*
* @brief Return Machine Architecture ID Register
*
* @return marchid value
*/
uint32_t __get_MARCHID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""marchid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MIMPID
*
* @brief Return Machine Implementation ID Register
*
* @return mimpid value
*/
uint32_t __get_MIMPID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mimpid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_MHARTID
*
* @brief Return Hart ID Register
*
* @return mhartid value
*/
uint32_t __get_MHARTID(void)
{
uint32_t result;
__ASM volatile("csrr %0,""mhartid": "=r"(result));
return (result);
}
/*********************************************************************
* @fn __get_SP
*
* @brief Return SP Register
*
* @return SP value
*/
uint32_t __get_SP(void)
{
uint32_t result;
__ASM volatile("mv %0,""sp": "=r"(result):);
return (result);
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : core_riscv.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : RISC-V Core Peripheral Access Layer Header File
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CORE_RISCV_H__
#define __CORE_RISCV_H__
#ifdef __cplusplus
extern "C" {
#endif
/* IO definitions */
#ifdef __cplusplus
#define __I volatile /* defines 'read only' permissions */
#else
#define __I volatile const /* defines 'read only' permissions */
#endif
#define __O volatile /* defines 'write only' permissions */
#define __IO volatile /* defines 'read / write' permissions */
/* Standard Peripheral Library old types (maintained for legacy purpose) */
typedef __I uint32_t vuc32; /* Read Only */
typedef __I uint16_t vuc16; /* Read Only */
typedef __I uint8_t vuc8; /* Read Only */
typedef const uint32_t uc32; /* Read Only */
typedef const uint16_t uc16; /* Read Only */
typedef const uint8_t uc8; /* Read Only */
typedef __I int32_t vsc32; /* Read Only */
typedef __I int16_t vsc16; /* Read Only */
typedef __I int8_t vsc8; /* Read Only */
typedef const int32_t sc32; /* Read Only */
typedef const int16_t sc16; /* Read Only */
typedef const int8_t sc8; /* Read Only */
typedef __IO uint32_t vu32;
typedef __IO uint16_t vu16;
typedef __IO uint8_t vu8;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef __IO int32_t vs32;
typedef __IO int16_t vs16;
typedef __IO int8_t vs8;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t s8;
typedef enum {NoREADY = 0, READY = !NoREADY} ErrorStatus;
typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;
#define RV_STATIC_INLINE static inline
/* memory mapped structure for Program Fast Interrupt Controller (PFIC) */
typedef struct{
__I uint32_t ISR[8];
__I uint32_t IPR[8];
__IO uint32_t ITHRESDR;
__IO uint32_t RESERVED;
__IO uint32_t CFGR;
__I uint32_t GISR;
__IO uint8_t VTFIDR[4];
uint8_t RESERVED0[12];
__IO uint32_t VTFADDR[4];
uint8_t RESERVED1[0x90];
__O uint32_t IENR[8];
uint8_t RESERVED2[0x60];
__O uint32_t IRER[8];
uint8_t RESERVED3[0x60];
__O uint32_t IPSR[8];
uint8_t RESERVED4[0x60];
__O uint32_t IPRR[8];
uint8_t RESERVED5[0x60];
__IO uint32_t IACTR[8];
uint8_t RESERVED6[0xE0];
__IO uint8_t IPRIOR[256];
uint8_t RESERVED7[0x810];
__IO uint32_t SCTLR;
}PFIC_Type;
/* memory mapped structure for SysTick */
typedef struct
{
__IO uint32_t CTLR;
__IO uint32_t SR;
__IO uint32_t CNT;
uint32_t RESERVED0;
__IO uint32_t CMP;
uint32_t RESERVED1;
}SysTick_Type;
#define PFIC ((PFIC_Type *) 0xE000E000 )
#define NVIC PFIC
#define NVIC_KEY1 ((uint32_t)0xFA050000)
#define NVIC_KEY2 ((uint32_t)0xBCAF0000)
#define NVIC_KEY3 ((uint32_t)0xBEEF0000)
#define SysTick ((SysTick_Type *) 0xE000F000)
/*********************************************************************
* @fn __enable_irq
*
* @brief Enable Global Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __enable_irq()
{
uint32_t result;
__asm volatile("csrr %0," "mstatus": "=r"(result));
result |= 0x88;
__asm volatile ("csrw mstatus, %0" : : "r" (result) );
}
/*********************************************************************
* @fn __disable_irq
*
* @brief Disable Global Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __disable_irq()
{
uint32_t result;
__asm volatile("csrr %0," "mstatus": "=r"(result));
result &= ~0x88;
__asm volatile ("csrw mstatus, %0" : : "r" (result) );
}
/*********************************************************************
* @fn __NOP
*
* @brief nop
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __NOP()
{
__asm volatile ("nop");
}
/*********************************************************************
* @fn NVIC_EnableIRQ
*
* @brief Enable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
{
NVIC->IENR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_DisableIRQ
*
* @brief Disable Interrupt
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
{
NVIC->IRER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetStatusIRQ
*
* @brief Get Interrupt Enable State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetStatusIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->ISR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_GetPendingIRQ
*
* @brief Get Interrupt Pending State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Pending Enable
* 0 - Interrupt Pending Disable
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->IPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPendingIRQ
*
* @brief Set Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPSR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_ClearPendingIRQ
*
* @brief Clear Interrupt Pending
*
* @param IRQn - Interrupt Numbers
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
{
NVIC->IPRR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
}
/*********************************************************************
* @fn NVIC_GetActive
*
* @brief Get Interrupt Active State
*
* @param IRQn - Interrupt Numbers
*
* @return 1 - Interrupt Active
* 0 - Interrupt No Active
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
{
return((uint32_t)((NVIC->IACTR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
}
/*********************************************************************
* @fn NVIC_SetPriority
*
* @brief Set Interrupt Priority
*
* @param IRQn - Interrupt Numbers
* priority: bit[7] - pre-emption priority
* bit[6] - subpriority
* bit[5:0] - reserved
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint8_t priority)
{
NVIC->IPRIOR[(uint32_t)(IRQn)] = priority;
}
/*********************************************************************
* @fn __WFI
*
* @brief Wait for Interrupt
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFI(void)
{
NVIC->SCTLR &= ~(1<<3); // wfi
asm volatile ("wfi");
}
/*********************************************************************
* @fn _SEV
*
* @brief Set Event
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void _SEV(void)
{
uint32_t t;
t = NVIC->SCTLR;
NVIC->SCTLR |= (1<<3)|(1<<5);
NVIC->SCTLR = (NVIC->SCTLR & ~(1<<5)) | ( t & (1<<5));
}
/*********************************************************************
* @fn _WFE
*
* @brief Wait for Events
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void _WFE(void)
{
NVIC->SCTLR |= (1<<3);
asm volatile ("wfi");
}
/*********************************************************************
* @fn __WFE
*
* @brief Wait for Events
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFE(void)
{
_SEV();
_WFE();
_WFE();
}
/*********************************************************************
* @fn SetVTFIRQ
*
* @brief Set VTF Interrupt
*
* @param addr - VTF interrupt service function base address.
* IRQn - Interrupt Numbers
* num - VTF Interrupt Numbers
* NewState - DISABLE or ENABLE
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void SetVTFIRQ(uint32_t addr, IRQn_Type IRQn, uint8_t num, FunctionalState NewState){
if(num > 1) return ;
if (NewState != DISABLE)
{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)|0x1);
}
else{
NVIC->VTFIDR[num] = IRQn;
NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)&(~0x1));
}
}
/*********************************************************************
* @fn NVIC_SystemReset
*
* @brief Initiate a system reset request
*
* @return none
*/
__attribute__( ( always_inline ) ) RV_STATIC_INLINE void NVIC_SystemReset(void)
{
NVIC->CFGR = NVIC_KEY3|(1<<7);
}
/* Core_Exported_Functions */
extern uint32_t __get_MSTATUS(void);
extern void __set_MSTATUS(uint32_t value);
extern uint32_t __get_MISA(void);
extern void __set_MISA(uint32_t value);
extern uint32_t __get_MTVEC(void);
extern void __set_MTVEC(uint32_t value);
extern uint32_t __get_MSCRATCH(void);
extern void __set_MSCRATCH(uint32_t value);
extern uint32_t __get_MEPC(void);
extern void __set_MEPC(uint32_t value);
extern uint32_t __get_MCAUSE(void);
extern void __set_MCAUSE(uint32_t value);
extern uint32_t __get_MVENDORID(void);
extern uint32_t __get_MARCHID(void);
extern uint32_t __get_MIMPID(void);
extern uint32_t __get_MHARTID(void);
extern uint32_t __get_SP(void);
#ifdef __cplusplus
}
#endif
#endif/* __CORE_RISCV_H__ */

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/********************************** (C) COPYRIGHT *******************************
* File Name : debug.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for UART
* Printf , Delay functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <debug.h>
static uint8_t p_us = 0;
static uint16_t p_ms = 0;
#define DEBUG_DATA0_ADDRESS ((volatile uint32_t*)0xE00000F4)
#define DEBUG_DATA1_ADDRESS ((volatile uint32_t*)0xE00000F8)
/*********************************************************************
* @fn Delay_Init
*
* @brief Initializes Delay Funcation.
*
* @return none
*/
void Delay_Init(void)
{
p_us = SystemCoreClock / 8000000;
p_ms = (uint16_t)p_us * 1000;
}
/*********************************************************************
* @fn Delay_Us
*
* @brief Microsecond Delay Time.
*
* @param n - Microsecond number.
*
* @return None
*/
void Delay_Us(uint32_t n)
{
uint32_t i;
SysTick->SR &= ~(1 << 0);
i = (uint32_t)n * p_us;
SysTick->CMP = i;
SysTick->CNT = 0;
SysTick->CTLR |=(1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
/*********************************************************************
* @fn Delay_Ms
*
* @brief Millisecond Delay Time.
*
* @param n - Millisecond number.
*
* @return None
*/
void Delay_Ms(uint32_t n)
{
uint32_t i;
SysTick->SR &= ~(1 << 0);
i = (uint32_t)n * p_ms;
SysTick->CMP = i;
SysTick->CNT = 0;
SysTick->CTLR |=(1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
/*********************************************************************
* @fn USART_Printf_Init
*
* @brief Initializes the USARTx peripheral.
*
* @param baudrate - USART communication baud rate.
*
* @return None
*/
void USART_Printf_Init(uint32_t baudrate)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
#if (DEBUG == DEBUG_UART1_NoRemap)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap1)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_PartialRemap1_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap2)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_PartialRemap2_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
#elif (DEBUG == DEBUG_UART1_Remap3)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_FullRemap_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
#endif
USART_InitStructure.USART_BaudRate = baudrate;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}
/*********************************************************************
* @fn SDI_Printf_Enable
*
* @brief Initializes the SDI printf Function.
*
* @param None
*
* @return None
*/
void SDI_Printf_Enable(void)
{
*(DEBUG_DATA0_ADDRESS) = 0;
Delay_Init();
Delay_Ms(1);
}
/*********************************************************************
* @fn _write
*
* @brief Support Printf Function
*
* @param *buf - UART send Data.
* size - Data length.
*
* @return size - Data length
*/
__attribute__((used))
int _write(int fd, char *buf, int size)
{
int i = 0;
int writeSize = size;
#if (SDI_PRINT == SDI_PR_OPEN)
do
{
/**
* data0 data1 8 bytes
* data0 The lowest byte storage length, the maximum is 7
*
*/
while( (*(DEBUG_DATA0_ADDRESS) != 0u))
{
}
if(writeSize>7)
{
*(DEBUG_DATA1_ADDRESS) = (*(buf+i+3)) | (*(buf+i+4)<<8) | (*(buf+i+5)<<16) | (*(buf+i+6)<<24);
*(DEBUG_DATA0_ADDRESS) = (7u) | (*(buf+i)<<8) | (*(buf+i+1)<<16) | (*(buf+i+2)<<24);
i += 7;
writeSize -= 7;
}
else
{
*(DEBUG_DATA1_ADDRESS) = (*(buf+i+3)) | (*(buf+i+4)<<8) | (*(buf+i+5)<<16) | (*(buf+i+6)<<24);
*(DEBUG_DATA0_ADDRESS) = (writeSize) | (*(buf+i)<<8) | (*(buf+i+1)<<16) | (*(buf+i+2)<<24);
writeSize = 0;
}
} while (writeSize);
#else
for(i = 0; i < size; i++){
while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
USART_SendData(USART1, *buf++);
}
#endif
return writeSize;
}
/*********************************************************************
* @fn _sbrk
*
* @brief Change the spatial position of data segment.
*
* @return size: Data length
*/
__attribute__((used))
void *_sbrk(ptrdiff_t incr)
{
extern char _end[];
extern char _heap_end[];
static char *curbrk = _end;
if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
return NULL - 1;
curbrk += incr;
return curbrk - incr;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : debug.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for UART
* Printf , Delay functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __DEBUG_H
#define __DEBUG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
#include <stdio.h>
/* UART Printf Definition */
#define DEBUG_UART1_NoRemap 1 //Tx-PD5
#define DEBUG_UART1_Remap1 2 //Tx-PD0
#define DEBUG_UART1_Remap2 3 //Tx-PD6
#define DEBUG_UART1_Remap3 4 //Tx-PC0
/* DEBUG UATR Definition */
#ifndef DEBUG
#define DEBUG DEBUG_UART1_NoRemap
#endif
/* SDI Printf Definition */
#define SDI_PR_CLOSE 0
#define SDI_PR_OPEN 1
#ifndef SDI_PRINT
#define SDI_PRINT SDI_PR_CLOSE
#endif
void Delay_Init(void);
void Delay_Us(uint32_t n);
void Delay_Ms(uint32_t n);
void USART_Printf_Init(uint32_t baudrate);
void SDI_Printf_Enable(void);
#ifdef __cplusplus
}
#endif
#endif /* __DEBUG_H */

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ENTRY( _start )
__stack_size = 256;
PROVIDE( _stack_size = __stack_size );
MEMORY
{
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 2K
}
SECTIONS
{
.init :
{
_sinit = .;
. = ALIGN(4);
KEEP(*(SORT_NONE(.init)))
. = ALIGN(4);
_einit = .;
} >FLASH AT>FLASH
.text :
{
. = ALIGN(4);
*(.text)
*(.text.*)
*(.rodata)
*(.rodata*)
*(.gnu.linkonce.t.*)
. = ALIGN(4);
} >FLASH AT>FLASH
.fini :
{
KEEP(*(SORT_NONE(.fini)))
. = ALIGN(4);
} >FLASH AT>FLASH
PROVIDE( _etext = . );
PROVIDE( _eitcm = . );
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH AT>FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH AT>FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH AT>FLASH
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
/* We don't want to include the .ctor section from
the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} >FLASH AT>FLASH
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} >FLASH AT>FLASH
.dalign :
{
. = ALIGN(4);
PROVIDE(_data_vma = .);
} >RAM AT>FLASH
.dlalign :
{
. = ALIGN(4);
PROVIDE(_data_lma = .);
} >FLASH AT>FLASH
.data :
{
. = ALIGN(4);
*(.gnu.linkonce.r.*)
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN(8);
PROVIDE( __global_pointer$ = . + 0x800 );
*(.sdata .sdata.*)
*(.sdata2*)
*(.gnu.linkonce.s.*)
. = ALIGN(8);
*(.srodata.cst16)
*(.srodata.cst8)
*(.srodata.cst4)
*(.srodata.cst2)
*(.srodata .srodata.*)
. = ALIGN(4);
PROVIDE( _edata = .);
} >RAM AT>FLASH
.bss :
{
. = ALIGN(4);
PROVIDE( _sbss = .);
*(.sbss*)
*(.gnu.linkonce.sb.*)
*(.bss*)
*(.gnu.linkonce.b.*)
*(COMMON*)
. = ALIGN(4);
PROVIDE( _ebss = .);
} >RAM AT>FLASH
PROVIDE( _end = _ebss);
PROVIDE( end = . );
.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
{
PROVIDE( _heap_end = . );
. = ALIGN(4);
PROVIDE(_susrstack = . );
. = . + __stack_size;
PROVIDE( _eusrstack = .);
} >RAM
}

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code/firmware/periph/inc/ch32v00x.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_adc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* ADC firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_ADC_H
#define __CH32V00x_ADC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* ADC Init structure definition */
typedef struct
{
uint32_t ADC_Mode; /* Configures the ADC to operate in independent or
dual mode.
This parameter can be a value of @ref ADC_mode */
FunctionalState ADC_ScanConvMode; /* Specifies whether the conversion is performed in
Scan (multichannels) or Single (one channel) mode.
This parameter can be set to ENABLE or DISABLE */
FunctionalState ADC_ContinuousConvMode; /* Specifies whether the conversion is performed in
Continuous or Single mode.
This parameter can be set to ENABLE or DISABLE. */
uint32_t ADC_ExternalTrigConv; /* Defines the external trigger used to start the analog
to digital conversion of regular channels. This parameter
can be a value of @ref ADC_external_trigger_sources_for_regular_channels_conversion */
uint32_t ADC_DataAlign; /* Specifies whether the ADC data alignment is left or right.
This parameter can be a value of @ref ADC_data_align */
uint8_t ADC_NbrOfChannel; /* Specifies the number of ADC channels that will be converted
using the sequencer for regular channel group.
This parameter must range from 1 to 16. */
} ADC_InitTypeDef;
/* ADC_mode */
#define ADC_Mode_Independent ((uint32_t)0x00000000)
/* ADC_external_trigger_sources_for_regular_channels_conversion */
#define ADC_ExternalTrigConv_T1_TRGO ((uint32_t)0x00000000)
#define ADC_ExternalTrigConv_T1_CC1 ((uint32_t)0x00020000)
#define ADC_ExternalTrigConv_T1_CC2 ((uint32_t)0x00040000)
#define ADC_ExternalTrigConv_T2_TRGO ((uint32_t)0x00060000)
#define ADC_ExternalTrigConv_T2_CC1 ((uint32_t)0x00080000)
#define ADC_ExternalTrigConv_T2_CC2 ((uint32_t)0x000A0000)
#define ADC_ExternalTrigConv_Ext_PD3_PC2 ((uint32_t)0x000C0000)
#define ADC_ExternalTrigConv_None ((uint32_t)0x000E0000)
/* ADC_data_align */
#define ADC_DataAlign_Right ((uint32_t)0x00000000)
#define ADC_DataAlign_Left ((uint32_t)0x00000800)
/* ADC_channels */
#define ADC_Channel_0 ((uint8_t)0x00)
#define ADC_Channel_1 ((uint8_t)0x01)
#define ADC_Channel_2 ((uint8_t)0x02)
#define ADC_Channel_3 ((uint8_t)0x03)
#define ADC_Channel_4 ((uint8_t)0x04)
#define ADC_Channel_5 ((uint8_t)0x05)
#define ADC_Channel_6 ((uint8_t)0x06)
#define ADC_Channel_7 ((uint8_t)0x07)
#define ADC_Channel_8 ((uint8_t)0x08)
#define ADC_Channel_9 ((uint8_t)0x09)
#define ADC_Channel_Vrefint ((uint8_t)ADC_Channel_8)
#define ADC_Channel_Vcalint ((uint8_t)ADC_Channel_9)
/* ADC_sampling_time */
#define ADC_SampleTime_3Cycles ((uint8_t)0x00)
#define ADC_SampleTime_9Cycles ((uint8_t)0x01)
#define ADC_SampleTime_15Cycles ((uint8_t)0x02)
#define ADC_SampleTime_30Cycles ((uint8_t)0x03)
#define ADC_SampleTime_43Cycles ((uint8_t)0x04)
#define ADC_SampleTime_57Cycles ((uint8_t)0x05)
#define ADC_SampleTime_73Cycles ((uint8_t)0x06)
#define ADC_SampleTime_241Cycles ((uint8_t)0x07)
/* ADC_external_trigger_sources_for_injected_channels_conversion */
#define ADC_ExternalTrigInjecConv_T1_CC3 ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjecConv_T1_CC4 ((uint32_t)0x00001000)
#define ADC_ExternalTrigInjecConv_T2_CC3 ((uint32_t)0x00002000)
#define ADC_ExternalTrigInjecConv_T2_CC4 ((uint32_t)0x00003000)
#define ADC_ExternalTrigInjecConv_Ext_PD1_PA2 ((uint32_t)0x00006000)
#define ADC_ExternalTrigInjecConv_None ((uint32_t)0x00007000)
/* ADC_injected_channel_selection */
#define ADC_InjectedChannel_1 ((uint8_t)0x14)
#define ADC_InjectedChannel_2 ((uint8_t)0x18)
#define ADC_InjectedChannel_3 ((uint8_t)0x1C)
#define ADC_InjectedChannel_4 ((uint8_t)0x20)
/* ADC_analog_watchdog_selection */
#define ADC_AnalogWatchdog_SingleRegEnable ((uint32_t)0x00800200)
#define ADC_AnalogWatchdog_SingleInjecEnable ((uint32_t)0x00400200)
#define ADC_AnalogWatchdog_SingleRegOrInjecEnable ((uint32_t)0x00C00200)
#define ADC_AnalogWatchdog_AllRegEnable ((uint32_t)0x00800000)
#define ADC_AnalogWatchdog_AllInjecEnable ((uint32_t)0x00400000)
#define ADC_AnalogWatchdog_AllRegAllInjecEnable ((uint32_t)0x00C00000)
#define ADC_AnalogWatchdog_None ((uint32_t)0x00000000)
/* ADC_interrupts_definition */
#define ADC_IT_EOC ((uint16_t)0x0220)
#define ADC_IT_AWD ((uint16_t)0x0140)
#define ADC_IT_JEOC ((uint16_t)0x0480)
/* ADC_flags_definition */
#define ADC_FLAG_AWD ((uint8_t)0x01)
#define ADC_FLAG_EOC ((uint8_t)0x02)
#define ADC_FLAG_JEOC ((uint8_t)0x04)
#define ADC_FLAG_JSTRT ((uint8_t)0x08)
#define ADC_FLAG_STRT ((uint8_t)0x10)
/* ADC_calibration_voltage_definition */
#define ADC_CALVOL_50PERCENT ((uint32_t)0x02000000)
#define ADC_CALVOL_75PERCENT ((uint32_t)0x04000000)
/* ADC_external_trigger_sources_delay_channels_definition */
#define ADC_ExternalTrigRegul_DLY ((uint32_t)0x00000000)
#define ADC_ExternalTrigInjec_DLY ((uint32_t)0x00020000)
void ADC_DeInit(ADC_TypeDef *ADCx);
void ADC_Init(ADC_TypeDef *ADCx, ADC_InitTypeDef *ADC_InitStruct);
void ADC_StructInit(ADC_InitTypeDef *ADC_InitStruct);
void ADC_Cmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_DMACmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_ITConfig(ADC_TypeDef *ADCx, uint16_t ADC_IT, FunctionalState NewState);
void ADC_ResetCalibration(ADC_TypeDef *ADCx);
FlagStatus ADC_GetResetCalibrationStatus(ADC_TypeDef *ADCx);
void ADC_StartCalibration(ADC_TypeDef *ADCx);
FlagStatus ADC_GetCalibrationStatus(ADC_TypeDef *ADCx);
void ADC_SoftwareStartConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
FlagStatus ADC_GetSoftwareStartConvStatus(ADC_TypeDef *ADCx);
void ADC_DiscModeChannelCountConfig(ADC_TypeDef *ADCx, uint8_t Number);
void ADC_DiscModeCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_RegularChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_ExternalTrigConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
uint16_t ADC_GetConversionValue(ADC_TypeDef *ADCx);
void ADC_AutoInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_InjectedDiscModeCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_ExternalTrigInjectedConvConfig(ADC_TypeDef *ADCx, uint32_t ADC_ExternalTrigInjecConv);
void ADC_ExternalTrigInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
void ADC_SoftwareStartInjectedConvCmd(ADC_TypeDef *ADCx, FunctionalState NewState);
FlagStatus ADC_GetSoftwareStartInjectedConvCmdStatus(ADC_TypeDef *ADCx);
void ADC_InjectedChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime);
void ADC_InjectedSequencerLengthConfig(ADC_TypeDef *ADCx, uint8_t Length);
void ADC_SetInjectedOffset(ADC_TypeDef *ADCx, uint8_t ADC_InjectedChannel, uint16_t Offset);
uint16_t ADC_GetInjectedConversionValue(ADC_TypeDef *ADCx, uint8_t ADC_InjectedChannel);
void ADC_AnalogWatchdogCmd(ADC_TypeDef *ADCx, uint32_t ADC_AnalogWatchdog);
void ADC_AnalogWatchdogThresholdsConfig(ADC_TypeDef *ADCx, uint16_t HighThreshold, uint16_t LowThreshold);
void ADC_AnalogWatchdogSingleChannelConfig(ADC_TypeDef *ADCx, uint8_t ADC_Channel);
FlagStatus ADC_GetFlagStatus(ADC_TypeDef *ADCx, uint8_t ADC_FLAG);
void ADC_ClearFlag(ADC_TypeDef *ADCx, uint8_t ADC_FLAG);
ITStatus ADC_GetITStatus(ADC_TypeDef *ADCx, uint16_t ADC_IT);
void ADC_ClearITPendingBit(ADC_TypeDef *ADCx, uint16_t ADC_IT);
void ADC_Calibration_Vol(ADC_TypeDef *ADCx, uint32_t ADC_CALVOL);
void ADC_ExternalTrig_DLY(ADC_TypeDef *ADCx, uint32_t channel, uint16_t DelayTim);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_ADC_H */

38
code/firmware/periph/inc/ch32v00x_dbgmcu.h Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dbgmcu.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* DBGMCU firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_DBGMCU_H
#define __CH32V00x_DBGMCU_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* CFGR0 Register */
#define DBGMCU_IWDG_STOP ((uint32_t)0x00000001)
#define DBGMCU_WWDG_STOP ((uint32_t)0x00000002)
#define DBGMCU_TIM1_STOP ((uint32_t)0x00000010)
#define DBGMCU_TIM2_STOP ((uint32_t)0x00000020)
uint32_t DBGMCU_GetREVID(void);
uint32_t DBGMCU_GetDEVID(void);
uint32_t __get_DEBUG_CR(void);
void __set_DEBUG_CR(uint32_t value);
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState);
uint32_t DBGMCU_GetCHIPID( void );
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_DBGMCU_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dma.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* DMA firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_DMA_H
#define __CH32V00x_DMA_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* DMA Init structure definition */
typedef struct
{
uint32_t DMA_PeripheralBaseAddr; /* Specifies the peripheral base address for DMAy Channelx. */
uint32_t DMA_MemoryBaseAddr; /* Specifies the memory base address for DMAy Channelx. */
uint32_t DMA_DIR; /* Specifies if the peripheral is the source or destination.
This parameter can be a value of @ref DMA_data_transfer_direction */
uint32_t DMA_BufferSize; /* Specifies the buffer size, in data unit, of the specified Channel.
The data unit is equal to the configuration set in DMA_PeripheralDataSize
or DMA_MemoryDataSize members depending in the transfer direction. */
uint32_t DMA_PeripheralInc; /* Specifies whether the Peripheral address register is incremented or not.
This parameter can be a value of @ref DMA_peripheral_incremented_mode */
uint32_t DMA_MemoryInc; /* Specifies whether the memory address register is incremented or not.
This parameter can be a value of @ref DMA_memory_incremented_mode */
uint32_t DMA_PeripheralDataSize; /* Specifies the Peripheral data width.
This parameter can be a value of @ref DMA_peripheral_data_size */
uint32_t DMA_MemoryDataSize; /* Specifies the Memory data width.
This parameter can be a value of @ref DMA_memory_data_size */
uint32_t DMA_Mode; /* Specifies the operation mode of the DMAy Channelx.
This parameter can be a value of @ref DMA_circular_normal_mode.
@note: The circular buffer mode cannot be used if the memory-to-memory
data transfer is configured on the selected Channel */
uint32_t DMA_Priority; /* Specifies the software priority for the DMAy Channelx.
This parameter can be a value of @ref DMA_priority_level */
uint32_t DMA_M2M; /* Specifies if the DMAy Channelx will be used in memory-to-memory transfer.
This parameter can be a value of @ref DMA_memory_to_memory */
} DMA_InitTypeDef;
/* DMA_data_transfer_direction */
#define DMA_DIR_PeripheralDST ((uint32_t)0x00000010)
#define DMA_DIR_PeripheralSRC ((uint32_t)0x00000000)
/* DMA_peripheral_incremented_mode */
#define DMA_PeripheralInc_Enable ((uint32_t)0x00000040)
#define DMA_PeripheralInc_Disable ((uint32_t)0x00000000)
/* DMA_memory_incremented_mode */
#define DMA_MemoryInc_Enable ((uint32_t)0x00000080)
#define DMA_MemoryInc_Disable ((uint32_t)0x00000000)
/* DMA_peripheral_data_size */
#define DMA_PeripheralDataSize_Byte ((uint32_t)0x00000000)
#define DMA_PeripheralDataSize_HalfWord ((uint32_t)0x00000100)
#define DMA_PeripheralDataSize_Word ((uint32_t)0x00000200)
/* DMA_memory_data_size */
#define DMA_MemoryDataSize_Byte ((uint32_t)0x00000000)
#define DMA_MemoryDataSize_HalfWord ((uint32_t)0x00000400)
#define DMA_MemoryDataSize_Word ((uint32_t)0x00000800)
/* DMA_circular_normal_mode */
#define DMA_Mode_Circular ((uint32_t)0x00000020)
#define DMA_Mode_Normal ((uint32_t)0x00000000)
/* DMA_priority_level */
#define DMA_Priority_VeryHigh ((uint32_t)0x00003000)
#define DMA_Priority_High ((uint32_t)0x00002000)
#define DMA_Priority_Medium ((uint32_t)0x00001000)
#define DMA_Priority_Low ((uint32_t)0x00000000)
/* DMA_memory_to_memory */
#define DMA_M2M_Enable ((uint32_t)0x00004000)
#define DMA_M2M_Disable ((uint32_t)0x00000000)
/* DMA_interrupts_definition */
#define DMA_IT_TC ((uint32_t)0x00000002)
#define DMA_IT_HT ((uint32_t)0x00000004)
#define DMA_IT_TE ((uint32_t)0x00000008)
#define DMA1_IT_GL1 ((uint32_t)0x00000001)
#define DMA1_IT_TC1 ((uint32_t)0x00000002)
#define DMA1_IT_HT1 ((uint32_t)0x00000004)
#define DMA1_IT_TE1 ((uint32_t)0x00000008)
#define DMA1_IT_GL2 ((uint32_t)0x00000010)
#define DMA1_IT_TC2 ((uint32_t)0x00000020)
#define DMA1_IT_HT2 ((uint32_t)0x00000040)
#define DMA1_IT_TE2 ((uint32_t)0x00000080)
#define DMA1_IT_GL3 ((uint32_t)0x00000100)
#define DMA1_IT_TC3 ((uint32_t)0x00000200)
#define DMA1_IT_HT3 ((uint32_t)0x00000400)
#define DMA1_IT_TE3 ((uint32_t)0x00000800)
#define DMA1_IT_GL4 ((uint32_t)0x00001000)
#define DMA1_IT_TC4 ((uint32_t)0x00002000)
#define DMA1_IT_HT4 ((uint32_t)0x00004000)
#define DMA1_IT_TE4 ((uint32_t)0x00008000)
#define DMA1_IT_GL5 ((uint32_t)0x00010000)
#define DMA1_IT_TC5 ((uint32_t)0x00020000)
#define DMA1_IT_HT5 ((uint32_t)0x00040000)
#define DMA1_IT_TE5 ((uint32_t)0x00080000)
#define DMA1_IT_GL6 ((uint32_t)0x00100000)
#define DMA1_IT_TC6 ((uint32_t)0x00200000)
#define DMA1_IT_HT6 ((uint32_t)0x00400000)
#define DMA1_IT_TE6 ((uint32_t)0x00800000)
#define DMA1_IT_GL7 ((uint32_t)0x01000000)
#define DMA1_IT_TC7 ((uint32_t)0x02000000)
#define DMA1_IT_HT7 ((uint32_t)0x04000000)
#define DMA1_IT_TE7 ((uint32_t)0x08000000)
/* DMA_flags_definition */
#define DMA1_FLAG_GL1 ((uint32_t)0x00000001)
#define DMA1_FLAG_TC1 ((uint32_t)0x00000002)
#define DMA1_FLAG_HT1 ((uint32_t)0x00000004)
#define DMA1_FLAG_TE1 ((uint32_t)0x00000008)
#define DMA1_FLAG_GL2 ((uint32_t)0x00000010)
#define DMA1_FLAG_TC2 ((uint32_t)0x00000020)
#define DMA1_FLAG_HT2 ((uint32_t)0x00000040)
#define DMA1_FLAG_TE2 ((uint32_t)0x00000080)
#define DMA1_FLAG_GL3 ((uint32_t)0x00000100)
#define DMA1_FLAG_TC3 ((uint32_t)0x00000200)
#define DMA1_FLAG_HT3 ((uint32_t)0x00000400)
#define DMA1_FLAG_TE3 ((uint32_t)0x00000800)
#define DMA1_FLAG_GL4 ((uint32_t)0x00001000)
#define DMA1_FLAG_TC4 ((uint32_t)0x00002000)
#define DMA1_FLAG_HT4 ((uint32_t)0x00004000)
#define DMA1_FLAG_TE4 ((uint32_t)0x00008000)
#define DMA1_FLAG_GL5 ((uint32_t)0x00010000)
#define DMA1_FLAG_TC5 ((uint32_t)0x00020000)
#define DMA1_FLAG_HT5 ((uint32_t)0x00040000)
#define DMA1_FLAG_TE5 ((uint32_t)0x00080000)
#define DMA1_FLAG_GL6 ((uint32_t)0x00100000)
#define DMA1_FLAG_TC6 ((uint32_t)0x00200000)
#define DMA1_FLAG_HT6 ((uint32_t)0x00400000)
#define DMA1_FLAG_TE6 ((uint32_t)0x00800000)
#define DMA1_FLAG_GL7 ((uint32_t)0x01000000)
#define DMA1_FLAG_TC7 ((uint32_t)0x02000000)
#define DMA1_FLAG_HT7 ((uint32_t)0x04000000)
#define DMA1_FLAG_TE7 ((uint32_t)0x08000000)
void DMA_DeInit(DMA_Channel_TypeDef *DMAy_Channelx);
void DMA_Init(DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct);
void DMA_StructInit(DMA_InitTypeDef *DMA_InitStruct);
void DMA_Cmd(DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState);
void DMA_ITConfig(DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState);
void DMA_SetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber);
uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx);
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG);
void DMA_ClearFlag(uint32_t DMAy_FLAG);
ITStatus DMA_GetITStatus(uint32_t DMAy_IT);
void DMA_ClearITPendingBit(uint32_t DMAy_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_DMA_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_exti.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* EXTI firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_EXTI_H
#define __CH32V00x_EXTI_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* EXTI mode enumeration */
typedef enum
{
EXTI_Mode_Interrupt = 0x00,
EXTI_Mode_Event = 0x04
} EXTIMode_TypeDef;
/* EXTI Trigger enumeration */
typedef enum
{
EXTI_Trigger_Rising = 0x08,
EXTI_Trigger_Falling = 0x0C,
EXTI_Trigger_Rising_Falling = 0x10
} EXTITrigger_TypeDef;
/* EXTI Init Structure definition */
typedef struct
{
uint32_t EXTI_Line; /* Specifies the EXTI lines to be enabled or disabled.
This parameter can be any combination of @ref EXTI_Lines */
EXTIMode_TypeDef EXTI_Mode; /* Specifies the mode for the EXTI lines.
This parameter can be a value of @ref EXTIMode_TypeDef */
EXTITrigger_TypeDef EXTI_Trigger; /* Specifies the trigger signal active edge for the EXTI lines.
This parameter can be a value of @ref EXTIMode_TypeDef */
FunctionalState EXTI_LineCmd; /* Specifies the new state of the selected EXTI lines.
This parameter can be set either to ENABLE or DISABLE */
} EXTI_InitTypeDef;
/* EXTI_Lines */
#define EXTI_Line0 ((uint32_t)0x00001) /* External interrupt line 0 */
#define EXTI_Line1 ((uint32_t)0x00002) /* External interrupt line 1 */
#define EXTI_Line2 ((uint32_t)0x00004) /* External interrupt line 2 */
#define EXTI_Line3 ((uint32_t)0x00008) /* External interrupt line 3 */
#define EXTI_Line4 ((uint32_t)0x00010) /* External interrupt line 4 */
#define EXTI_Line5 ((uint32_t)0x00020) /* External interrupt line 5 */
#define EXTI_Line6 ((uint32_t)0x00040) /* External interrupt line 6 */
#define EXTI_Line7 ((uint32_t)0x00080) /* External interrupt line 7 */
#define EXTI_Line8 ((uint32_t)0x00100) /* External interrupt line 8 Connected to the PVD Output */
#define EXTI_Line9 ((uint32_t)0x00200) /* External interrupt line 9 Connected to the PWR Auto Wake-up event*/
void EXTI_DeInit(void);
void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct);
void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct);
void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
void EXTI_ClearFlag(uint32_t EXTI_Line);
ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_EXTI_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_flash.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the FLASH
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_FLASH_H
#define __CH32V00x_FLASH_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* FLASH Status */
typedef enum
{
FLASH_BUSY = 1,
FLASH_ERROR_PG,
FLASH_ERROR_WRP,
FLASH_COMPLETE,
FLASH_TIMEOUT,
FLASH_OP_RANGE_ERROR = 0xFD,
FLASH_ALIGN_ERROR = 0xFE,
FLASH_ADR_RANGE_ERROR = 0xFF,
} FLASH_Status;
/* Flash_Latency */
#define FLASH_Latency_0 ((uint32_t)0x00000000) /* FLASH Zero Latency cycle */
#define FLASH_Latency_1 ((uint32_t)0x00000001) /* FLASH One Latency cycle */
#define FLASH_Latency_2 ((uint32_t)0x00000002) /* FLASH Two Latency cycles */
/* Values to be used with CH32V00x devices (1page = 64Byte) */
#define FLASH_WRProt_Pages0to15 ((uint32_t)0x00000001) /* CH32 Low and Medium density devices: Write protection of page 0 to 15 */
#define FLASH_WRProt_Pages16to31 ((uint32_t)0x00000002) /* CH32 Low and Medium density devices: Write protection of page 16 to 31 */
#define FLASH_WRProt_Pages32to47 ((uint32_t)0x00000004) /* CH32 Low and Medium density devices: Write protection of page 32 to 47 */
#define FLASH_WRProt_Pages48to63 ((uint32_t)0x00000008) /* CH32 Low and Medium density devices: Write protection of page 48 to 63 */
#define FLASH_WRProt_Pages64to79 ((uint32_t)0x00000010) /* CH32 Low and Medium density devices: Write protection of page 64 to 79 */
#define FLASH_WRProt_Pages80to95 ((uint32_t)0x00000020) /* CH32 Low and Medium density devices: Write protection of page 80 to 95 */
#define FLASH_WRProt_Pages96to111 ((uint32_t)0x00000040) /* CH32 Low and Medium density devices: Write protection of page 96 to 111 */
#define FLASH_WRProt_Pages112to127 ((uint32_t)0x00000080) /* CH32 Low and Medium density devices: Write protection of page 112 to 127 */
#define FLASH_WRProt_Pages128to143 ((uint32_t)0x00000100) /* CH32 Medium-density devices: Write protection of page 128 to 143 */
#define FLASH_WRProt_Pages144to159 ((uint32_t)0x00000200) /* CH32 Medium-density devices: Write protection of page 144 to 159 */
#define FLASH_WRProt_Pages160to175 ((uint32_t)0x00000400) /* CH32 Medium-density devices: Write protection of page 160 to 175 */
#define FLASH_WRProt_Pages176to191 ((uint32_t)0x00000800) /* CH32 Medium-density devices: Write protection of page 176 to 191 */
#define FLASH_WRProt_Pages192to207 ((uint32_t)0x00001000) /* CH32 Medium-density devices: Write protection of page 192 to 207 */
#define FLASH_WRProt_Pages208to223 ((uint32_t)0x00002000) /* CH32 Medium-density devices: Write protection of page 208 to 223 */
#define FLASH_WRProt_Pages224to239 ((uint32_t)0x00004000) /* CH32 Medium-density devices: Write protection of page 224 to 239 */
#define FLASH_WRProt_Pages240to255 ((uint32_t)0x00008000) /* CH32 Medium-density devices: Write protection of page 240 to 255 */
#define FLASH_WRProt_AllPages ((uint32_t)0x0000FFFF) /* Write protection of all Pages */
/* Option_Bytes_IWatchdog */
#define OB_IWDG_SW ((uint16_t)0x0001) /* Software IWDG selected */
#define OB_IWDG_HW ((uint16_t)0x0000) /* Hardware IWDG selected */
/* Option_Bytes_nRST_STOP */
#define OB_STOP_NoRST ((uint16_t)0x0002) /* No reset generated when entering in STOP */
#define OB_STOP_RST ((uint16_t)0x0000) /* Reset generated when entering in STOP */
/* Option_Bytes_nRST_STDBY */
#define OB_STDBY_NoRST ((uint16_t)0x0004) /* No reset generated when entering in STANDBY */
#define OB_STDBY_RST ((uint16_t)0x0000) /* Reset generated when entering in STANDBY */
/* Option_Bytes_RST_ENandDT */
#define OB_RST_NoEN ((uint16_t)0x0018) /* Reset IO disable (PD7)*/
#define OB_RST_EN_DT12ms ((uint16_t)0x0010) /* Reset IO enable (PD7) and Ignore delay time 12ms */
#define OB_RST_EN_DT1ms ((uint16_t)0x0008) /* Reset IO enable (PD7) and Ignore delay time 1ms */
#define OB_RST_EN_DT128us ((uint16_t)0x0000) /* Reset IO enable (PD7) and Ignore delay time 128us */
/* Option_Bytes_Power_ON_Start_Mode */
#define OB_PowerON_Start_Mode_BOOT ((uint16_t)0x0020) /* from Boot after power on */
#define OB_PowerON_Start_Mode_USER ((uint16_t)0x0000) /* from User after power on */
/* FLASH_Interrupts */
#define FLASH_IT_ERROR ((uint32_t)0x00000400) /* FPEC error interrupt source */
#define FLASH_IT_EOP ((uint32_t)0x00001000) /* End of FLASH Operation Interrupt source */
#define FLASH_IT_BANK1_ERROR FLASH_IT_ERROR /* FPEC BANK1 error interrupt source */
#define FLASH_IT_BANK1_EOP FLASH_IT_EOP /* End of FLASH BANK1 Operation Interrupt source */
/* FLASH_Flags */
#define FLASH_FLAG_BSY ((uint32_t)0x00000001) /* FLASH Busy flag */
#define FLASH_FLAG_EOP ((uint32_t)0x00000020) /* FLASH End of Operation flag */
#define FLASH_FLAG_WRPRTERR ((uint32_t)0x00000010) /* FLASH Write protected error flag */
#define FLASH_FLAG_OPTERR ((uint32_t)0x00000001) /* FLASH Option Byte error flag */
#define FLASH_FLAG_BANK1_BSY FLASH_FLAG_BSY /* FLASH BANK1 Busy flag*/
#define FLASH_FLAG_BANK1_EOP FLASH_FLAG_EOP /* FLASH BANK1 End of Operation flag */
#define FLASH_FLAG_BANK1_WRPRTERR FLASH_FLAG_WRPRTERR /* FLASH BANK1 Write protected error flag */
/* System_Reset_Start_Mode */
#define Start_Mode_USER ((uint32_t)0x00000000)
#define Start_Mode_BOOT ((uint32_t)0x00004000)
/*Functions used for all CH32V00x devices*/
void FLASH_SetLatency(uint32_t FLASH_Latency);
void FLASH_Unlock(void);
void FLASH_Lock(void);
FLASH_Status FLASH_ErasePage(uint32_t Page_Address);
FLASH_Status FLASH_EraseAllPages(void);
FLASH_Status FLASH_EraseOptionBytes(void);
FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data);
FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data);
FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data);
FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages);
FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState);
FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY, uint16_t OB_RST, uint16_t OB_PowerON_Start_Mode);
uint32_t FLASH_GetUserOptionByte(void);
uint32_t FLASH_GetWriteProtectionOptionByte(void);
FlagStatus FLASH_GetReadOutProtectionStatus(void);
void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState);
FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG);
void FLASH_ClearFlag(uint32_t FLASH_FLAG);
FLASH_Status FLASH_GetStatus(void);
FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout);
void FLASH_Unlock_Fast(void);
void FLASH_Lock_Fast(void);
void FLASH_BufReset(void);
void FLASH_BufLoad(uint32_t Address, uint32_t Data0);
void FLASH_ErasePage_Fast(uint32_t Page_Address);
void FLASH_ProgramPage_Fast(uint32_t Page_Address);
void SystemReset_StartMode(uint32_t Mode);
FLASH_Status FLASH_ROM_ERASE(uint32_t StartAddr, uint32_t Length);
FLASH_Status FLASH_ROM_WRITE(uint32_t StartAddr, uint32_t *pbuf, uint32_t Length);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_FLASH_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_gpio.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* GPIO firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_GPIO_H
#define __CH32V00x_GPIO_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* Output Maximum frequency selection */
typedef enum
{
GPIO_Speed_10MHz = 1,
GPIO_Speed_2MHz,
GPIO_Speed_50MHz
} GPIOSpeed_TypeDef;
/* Configuration Mode enumeration */
typedef enum
{
GPIO_Mode_AIN = 0x0,
GPIO_Mode_IN_FLOATING = 0x04,
GPIO_Mode_IPD = 0x28,
GPIO_Mode_IPU = 0x48,
GPIO_Mode_Out_OD = 0x14,
GPIO_Mode_Out_PP = 0x10,
GPIO_Mode_AF_OD = 0x1C,
GPIO_Mode_AF_PP = 0x18
} GPIOMode_TypeDef;
/* GPIO Init structure definition */
typedef struct
{
uint16_t GPIO_Pin; /* Specifies the GPIO pins to be configured.
This parameter can be any value of @ref GPIO_pins_define */
GPIOSpeed_TypeDef GPIO_Speed; /* Specifies the speed for the selected pins.
This parameter can be a value of @ref GPIOSpeed_TypeDef */
GPIOMode_TypeDef GPIO_Mode; /* Specifies the operating mode for the selected pins.
This parameter can be a value of @ref GPIOMode_TypeDef */
} GPIO_InitTypeDef;
/* Bit_SET and Bit_RESET enumeration */
typedef enum
{
Bit_RESET = 0,
Bit_SET
} BitAction;
/* GPIO_pins_define */
#define GPIO_Pin_0 ((uint16_t)0x0001) /* Pin 0 selected */
#define GPIO_Pin_1 ((uint16_t)0x0002) /* Pin 1 selected */
#define GPIO_Pin_2 ((uint16_t)0x0004) /* Pin 2 selected */
#define GPIO_Pin_3 ((uint16_t)0x0008) /* Pin 3 selected */
#define GPIO_Pin_4 ((uint16_t)0x0010) /* Pin 4 selected */
#define GPIO_Pin_5 ((uint16_t)0x0020) /* Pin 5 selected */
#define GPIO_Pin_6 ((uint16_t)0x0040) /* Pin 6 selected */
#define GPIO_Pin_7 ((uint16_t)0x0080) /* Pin 7 selected */
#define GPIO_Pin_All ((uint16_t)0xFFFF) /* All pins selected */
/* GPIO_Remap_define */
#define GPIO_Remap_SPI1 ((uint32_t)0x00000001) /* SPI1 Alternate Function mapping */
#define GPIO_PartialRemap_I2C1 ((uint32_t)0x10000002) /* I2C1 Partial Alternate Function mapping */
#define GPIO_FullRemap_I2C1 ((uint32_t)0x10400002) /* I2C1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_USART1 ((uint32_t)0x80000004) /* USART1 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_USART1 ((uint32_t)0x80200000) /* USART1 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_USART1 ((uint32_t)0x80200004) /* USART1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_TIM1 ((uint32_t)0x00160040) /* TIM1 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_TIM1 ((uint32_t)0x00160080) /* TIM1 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_TIM1 ((uint32_t)0x001600C0) /* TIM1 Full Alternate Function mapping */
#define GPIO_PartialRemap1_TIM2 ((uint32_t)0x00180100) /* TIM2 Partial1 Alternate Function mapping */
#define GPIO_PartialRemap2_TIM2 ((uint32_t)0x00180200) /* TIM2 Partial2 Alternate Function mapping */
#define GPIO_FullRemap_TIM2 ((uint32_t)0x00180300) /* TIM2 Full Alternate Function mapping */
#define GPIO_Remap_PA1_2 ((uint32_t)0x00008000) /* PA1 and PA2 Alternate Function mapping */
#define GPIO_Remap_ADC1_ETRGINJ ((uint32_t)0x00200002) /* ADC1 External Trigger Injected Conversion remapping */
#define GPIO_Remap_ADC1_ETRGREG ((uint32_t)0x00200004) /* ADC1 External Trigger Regular Conversion remapping */
#define GPIO_Remap_LSI_CAL ((uint32_t)0x00200080) /* LSI calibration Alternate Function mapping */
#define GPIO_Remap_SDI_Disable ((uint32_t)0x00300400) /* SDI Disabled */
/* GPIO_Port_Sources */
#define GPIO_PortSourceGPIOA ((uint8_t)0x00)
#define GPIO_PortSourceGPIOC ((uint8_t)0x02)
#define GPIO_PortSourceGPIOD ((uint8_t)0x03)
/* GPIO_Pin_sources */
#define GPIO_PinSource0 ((uint8_t)0x00)
#define GPIO_PinSource1 ((uint8_t)0x01)
#define GPIO_PinSource2 ((uint8_t)0x02)
#define GPIO_PinSource3 ((uint8_t)0x03)
#define GPIO_PinSource4 ((uint8_t)0x04)
#define GPIO_PinSource5 ((uint8_t)0x05)
#define GPIO_PinSource6 ((uint8_t)0x06)
#define GPIO_PinSource7 ((uint8_t)0x07)
void GPIO_DeInit(GPIO_TypeDef *GPIOx);
void GPIO_AFIODeInit(void);
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct);
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct);
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx);
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx);
void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal);
void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource);
void GPIO_EventOutputCmd(FunctionalState NewState);
void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState);
void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_GPIO_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_i2c.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* I2C firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_I2C_H
#define __CH32V00x_I2C_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* I2C Init structure definition */
typedef struct
{
uint32_t I2C_ClockSpeed; /* Specifies the clock frequency.
This parameter must be set to a value lower than 400kHz */
uint16_t I2C_Mode; /* Specifies the I2C mode.
This parameter can be a value of @ref I2C_mode */
uint16_t I2C_DutyCycle; /* Specifies the I2C fast mode duty cycle.
This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */
uint16_t I2C_OwnAddress1; /* Specifies the first device own address.
This parameter can be a 7-bit or 10-bit address. */
uint16_t I2C_Ack; /* Enables or disables the acknowledgement.
This parameter can be a value of @ref I2C_acknowledgement */
uint16_t I2C_AcknowledgedAddress; /* Specifies if 7-bit or 10-bit address is acknowledged.
This parameter can be a value of @ref I2C_acknowledged_address */
} I2C_InitTypeDef;
/* I2C_mode */
#define I2C_Mode_I2C ((uint16_t)0x0000)
/* I2C_duty_cycle_in_fast_mode */
#define I2C_DutyCycle_16_9 ((uint16_t)0x4000) /* I2C fast mode Tlow/Thigh = 16/9 */
#define I2C_DutyCycle_2 ((uint16_t)0xBFFF) /* I2C fast mode Tlow/Thigh = 2 */
/* I2C_acknowledgement */
#define I2C_Ack_Enable ((uint16_t)0x0400)
#define I2C_Ack_Disable ((uint16_t)0x0000)
/* I2C_transfer_direction */
#define I2C_Direction_Transmitter ((uint8_t)0x00)
#define I2C_Direction_Receiver ((uint8_t)0x01)
/* I2C_acknowledged_address */
#define I2C_AcknowledgedAddress_7bit ((uint16_t)0x4000)
#define I2C_AcknowledgedAddress_10bit ((uint16_t)0xC000)
/* I2C_registers */
#define I2C_Register_CTLR1 ((uint8_t)0x00)
#define I2C_Register_CTLR2 ((uint8_t)0x04)
#define I2C_Register_OADDR1 ((uint8_t)0x08)
#define I2C_Register_OADDR2 ((uint8_t)0x0C)
#define I2C_Register_DATAR ((uint8_t)0x10)
#define I2C_Register_STAR1 ((uint8_t)0x14)
#define I2C_Register_STAR2 ((uint8_t)0x18)
#define I2C_Register_CKCFGR ((uint8_t)0x1C)
/* I2C_PEC_position */
#define I2C_PECPosition_Next ((uint16_t)0x0800)
#define I2C_PECPosition_Current ((uint16_t)0xF7FF)
/* I2C_NACK_position */
#define I2C_NACKPosition_Next ((uint16_t)0x0800)
#define I2C_NACKPosition_Current ((uint16_t)0xF7FF)
/* I2C_interrupts_definition */
#define I2C_IT_BUF ((uint16_t)0x0400)
#define I2C_IT_EVT ((uint16_t)0x0200)
#define I2C_IT_ERR ((uint16_t)0x0100)
/* I2C_interrupts_definition */
#define I2C_IT_PECERR ((uint32_t)0x01001000)
#define I2C_IT_OVR ((uint32_t)0x01000800)
#define I2C_IT_AF ((uint32_t)0x01000400)
#define I2C_IT_ARLO ((uint32_t)0x01000200)
#define I2C_IT_BERR ((uint32_t)0x01000100)
#define I2C_IT_TXE ((uint32_t)0x06000080)
#define I2C_IT_RXNE ((uint32_t)0x06000040)
#define I2C_IT_STOPF ((uint32_t)0x02000010)
#define I2C_IT_ADD10 ((uint32_t)0x02000008)
#define I2C_IT_BTF ((uint32_t)0x02000004)
#define I2C_IT_ADDR ((uint32_t)0x02000002)
#define I2C_IT_SB ((uint32_t)0x02000001)
/* SR2 register flags */
#define I2C_FLAG_DUALF ((uint32_t)0x00800000)
#define I2C_FLAG_GENCALL ((uint32_t)0x00100000)
#define I2C_FLAG_TRA ((uint32_t)0x00040000)
#define I2C_FLAG_BUSY ((uint32_t)0x00020000)
#define I2C_FLAG_MSL ((uint32_t)0x00010000)
/* SR1 register flags */
#define I2C_FLAG_PECERR ((uint32_t)0x10001000)
#define I2C_FLAG_OVR ((uint32_t)0x10000800)
#define I2C_FLAG_AF ((uint32_t)0x10000400)
#define I2C_FLAG_ARLO ((uint32_t)0x10000200)
#define I2C_FLAG_BERR ((uint32_t)0x10000100)
#define I2C_FLAG_TXE ((uint32_t)0x10000080)
#define I2C_FLAG_RXNE ((uint32_t)0x10000040)
#define I2C_FLAG_STOPF ((uint32_t)0x10000010)
#define I2C_FLAG_ADD10 ((uint32_t)0x10000008)
#define I2C_FLAG_BTF ((uint32_t)0x10000004)
#define I2C_FLAG_ADDR ((uint32_t)0x10000002)
#define I2C_FLAG_SB ((uint32_t)0x10000001)
/****************I2C Master Events (Events grouped in order of communication)********************/
/********************************************************************************************************************
* @brief Start communicate
*
* After master use I2C_GenerateSTART() function sending the START condition,the master
* has to wait for event 5(the Start condition has been correctly
* released on the I2C bus ).
*
*/
/* EVT5 */
#define I2C_EVENT_MASTER_MODE_SELECT ((uint32_t)0x00030001) /* BUSY, MSL and SB flag */
/********************************************************************************************************************
* @brief Address Acknowledge
*
* When start condition correctly released on the bus(check EVT5), the
* master use I2C_Send7bitAddress() function sends the address of the slave(s) with which it will communicate
* it also determines master as transmitter or Receiver. Then the master has to wait that a slave acknowledges
* his address. If an acknowledge is sent on the bus, one of the following events will be set:
*
*
*
* 1) In case of Master Receiver (7-bit addressing): the I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED
* event is set.
*
* 2) In case of Master Transmitter (7-bit addressing): the I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED
* is set
*
* 3) In case of 10-Bit addressing mode, the master (after generating the START
* and checking on EVT5) use I2C_SendData() function send the header of 10-bit addressing mode.
* Then master wait EVT9. EVT9 means that the 10-bit addressing header has been correctly sent
* on the bus. Then master should use the function I2C_Send7bitAddress() to send the second part
* of the 10-bit address (LSB) . Then master should wait for event 6.
*
*
*/
/* EVT6 */
#define I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ((uint32_t)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */
#define I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED ((uint32_t)0x00030002) /* BUSY, MSL and ADDR flags */
/*EVT9 */
#define I2C_EVENT_MASTER_MODE_ADDRESS10 ((uint32_t)0x00030008) /* BUSY, MSL and ADD10 flags */
/********************************************************************************************************************
* @brief Communication events
*
* If START condition has generated and slave address
* been acknowledged. then the master has to check one of the following events for
* communication procedures:
*
* 1) Master Receiver mode: The master has to wait on the event EVT7 then use
* I2C_ReceiveData() function to read the data received from the slave .
*
* 2) Master Transmitter mode: The master use I2C_SendData() function to send data
* then to wait on event EVT8 or EVT8_2.
* These two events are similar:
* - EVT8 means that the data has been written in the data register and is
* being shifted out.
* - EVT8_2 means that the data has been physically shifted out and output
* on the bus.
* In most cases, using EVT8 is sufficient for the application.
* Using EVT8_2 will leads to a slower communication speed but will more reliable .
* EVT8_2 is also more suitable than EVT8 for testing on the last data transmission
*
*
* Note:
* In case the user software does not guarantee that this event EVT7 is managed before
* the current byte end of transfer, then user may check on I2C_EVENT_MASTER_BYTE_RECEIVED
* and I2C_FLAG_BTF flag at the same time .But in this case the communication may be slower.
*
*
*/
/* Master Receive mode */
/* EVT7 */
#define I2C_EVENT_MASTER_BYTE_RECEIVED ((uint32_t)0x00030040) /* BUSY, MSL and RXNE flags */
/* Master Transmitter mode*/
/* EVT8 */
#define I2C_EVENT_MASTER_BYTE_TRANSMITTING ((uint32_t)0x00070080) /* TRA, BUSY, MSL, TXE flags */
/* EVT8_2 */
#define I2C_EVENT_MASTER_BYTE_TRANSMITTED ((uint32_t)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */
/******************I2C Slave Events (Events grouped in order of communication)******************/
/********************************************************************************************************************
* @brief Start Communicate events
*
* Wait on one of these events at the start of the communication. It means that
* the I2C peripheral detected a start condition of master device generate on the bus.
* If the acknowledge feature is enabled through function I2C_AcknowledgeConfig()),The peripheral generates an ACK condition on the bus.
*
*
*
* a) In normal case (only one address managed by the slave), when the address
* sent by the master matches the own address of the peripheral (configured by
* I2C_OwnAddress1 field) the I2C_EVENT_SLAVE_XXX_ADDRESS_MATCHED event is set
* (where XXX could be TRANSMITTER or RECEIVER).
*
* b) In case the address sent by the master matches the second address of the
* peripheral (configured by the function I2C_OwnAddress2Config() and enabled
* by the function I2C_DualAddressCmd()) the events I2C_EVENT_SLAVE_XXX_SECONDADDRESS_MATCHED
* (where XXX could be TRANSMITTER or RECEIVER) are set.
*
* c) In case the address sent by the master is General Call (address 0x00) and
* if the General Call is enabled for the peripheral (using function I2C_GeneralCallCmd())
* the following event is set I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED.
*
*/
/* EVT1 */
/* a) Case of One Single Address managed by the slave */
#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED ((uint32_t)0x00020002) /* BUSY and ADDR flags */
#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */
/* b) Case of Dual address managed by the slave */
#define I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED ((uint32_t)0x00820000) /* DUALF and BUSY flags */
#define I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED ((uint32_t)0x00860080) /* DUALF, TRA, BUSY and TXE flags */
/* c) Case of General Call enabled for the slave */
#define I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED ((uint32_t)0x00120000) /* GENCALL and BUSY flags */
/********************************************************************************************************************
* @brief Communication events
*
* Wait on one of these events when EVT1 has already been checked :
*
* - Slave Receiver mode:
* - EVT2--The device is expecting to receive a data byte .
* - EVT4--The device is expecting the end of the communication: master
* sends a stop condition and data transmission is stopped.
*
* - Slave Transmitter mode:
* - EVT3--When a byte has been transmitted by the slave and the Master is expecting
* the end of the byte transmission. The two events I2C_EVENT_SLAVE_BYTE_TRANSMITTED and
* I2C_EVENT_SLAVE_BYTE_TRANSMITTING are similar. If the user software doesn't guarantee
* the EVT3 is managed before the current byte end of transfer The second one can optionally
* be used.
* - EVT3_2--When the master sends a NACK to tell slave device that data transmission
* shall end . The slave device has to stop sending
* data bytes and wait a Stop condition from bus.
*
* Note:
* If the user software does not guarantee that the event 2 is
* managed before the current byte end of transfer, User may check on I2C_EVENT_SLAVE_BYTE_RECEIVED
* and I2C_FLAG_BTF flag at the same time .
* In this case the communication will be slower.
*
*/
/* Slave Receiver mode*/
/* EVT2 */
#define I2C_EVENT_SLAVE_BYTE_RECEIVED ((uint32_t)0x00020040) /* BUSY and RXNE flags */
/* EVT4 */
#define I2C_EVENT_SLAVE_STOP_DETECTED ((uint32_t)0x00000010) /* STOPF flag */
/* Slave Transmitter mode -----------------------*/
/* EVT3 */
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ((uint32_t)0x00060084) /* TRA, BUSY, TXE and BTF flags */
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTING ((uint32_t)0x00060080) /* TRA, BUSY and TXE flags */
/*EVT3_2 */
#define I2C_EVENT_SLAVE_ACK_FAILURE ((uint32_t)0x00000400) /* AF flag */
void I2C_DeInit(I2C_TypeDef *I2Cx);
void I2C_Init(I2C_TypeDef *I2Cx, I2C_InitTypeDef *I2C_InitStruct);
void I2C_StructInit(I2C_InitTypeDef *I2C_InitStruct);
void I2C_Cmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_DMACmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_DMALastTransferCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GenerateSTART(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GenerateSTOP(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_AcknowledgeConfig(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_OwnAddress2Config(I2C_TypeDef *I2Cx, uint8_t Address);
void I2C_DualAddressCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_GeneralCallCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_ITConfig(I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState);
void I2C_SendData(I2C_TypeDef *I2Cx, uint8_t Data);
uint8_t I2C_ReceiveData(I2C_TypeDef *I2Cx);
void I2C_Send7bitAddress(I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction);
uint16_t I2C_ReadRegister(I2C_TypeDef *I2Cx, uint8_t I2C_Register);
void I2C_SoftwareResetCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_NACKPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition);
void I2C_TransmitPEC(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_PECPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition);
void I2C_CalculatePEC(I2C_TypeDef *I2Cx, FunctionalState NewState);
uint8_t I2C_GetPEC(I2C_TypeDef *I2Cx);
void I2C_ARPCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_StretchClockCmd(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_FastModeDutyCycleConfig(I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle);
/*****************************************************************************************
*
* I2C State Monitoring Functions
*
****************************************************************************************
* This I2C driver provides three different ways for I2C state monitoring
* profit the application requirements and constraints:
*
*
* a) First way:
* Using I2C_CheckEvent() function:
* It compares the status registers (STARR1 and STAR2) content to a given event
* (can be the combination of more flags).
* If the current status registers includes the given flags will return SUCCESS.
* and if the current status registers miss flags will returns ERROR.
* - When to use:
* - This function is suitable for most applications as well as for startup
* activity since the events are fully described in the product reference manual
* (CH32V03RM).
* - It is also suitable for users who need to define their own events.
* - Limitations:
* - If an error occurs besides to the monitored error,
* the I2C_CheckEvent() function may return SUCCESS despite the communication
* in corrupted state. it is suggeted to use error interrupts to monitor the error
* events and handle them in IRQ handler.
*
*
* Note:
* The following functions are recommended for error management: :
* - I2C_ITConfig() main function of configure and enable the error interrupts.
* - I2Cx_ER_IRQHandler() will be called when the error interrupt happen.
* Where x is the peripheral instance (I2C1, I2C2 ...)
* - I2Cx_ER_IRQHandler() will call I2C_GetFlagStatus() or I2C_GetITStatus() functions
* to determine which error occurred.
* - I2C_ClearFlag() \ I2C_ClearITPendingBit() \ I2C_SoftwareResetCmd()
* \ I2C_GenerateStop() will be use to clear the error flag and source,
* and return to correct communication status.
*
*
* b) Second way:
* Using the function to get a single word(uint32_t) composed of status register 1 and register 2.
* (Status Register 2 value is shifted left by 16 bits and concatenated to Status Register 1).
* - When to use:
*
* - This function is suitable for the same applications above but it
* don't have the limitations of I2C_GetFlagStatus() function .
* The returned value could be compared to events already defined in the
* library (CH32V00x_i2c.h) or to custom values defined by user.
* - This function can be used to monitor the status of multiple flags simultaneously.
* - Contrary to the I2C_CheckEvent () function, this function can choose the time to
* accept the event according to the user's needs (when all event flags are set and
* no other flags are set, or only when the required flags are set)
*
* - Limitations:
* - User may need to define his own events.
* - Same remark concerning the error management is applicable for this
* function if user decides to check only regular communication flags (and
* ignores error flags).
*
*
* c) Third way:
* Using the function I2C_GetFlagStatus() get the status of
* one single flag .
* - When to use:
* - This function could be used for specific applications or in debug phase.
* - It is suitable when only one flag checking is needed .
*
* - Limitations:
* - Call this function to access the status register. Some flag bits may be cleared.
* - Function may need to be called twice or more in order to monitor one single event.
*/
/*********************************************************
*
* a) Basic state monitoring(First way)
********************************************************
*/
ErrorStatus I2C_CheckEvent(I2C_TypeDef* I2Cx, uint32_t I2C_EVENT);
/*********************************************************
*
* b) Advanced state monitoring(Second way:)
********************************************************
*/
uint32_t I2C_GetLastEvent(I2C_TypeDef* I2Cx);
/*********************************************************
*
* c) Flag-based state monitoring(Third way)
*********************************************************
*/
FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, uint32_t I2C_FLAG);
void I2C_ClearFlag(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG);
ITStatus I2C_GetITStatus(I2C_TypeDef *I2Cx, uint32_t I2C_IT);
void I2C_ClearITPendingBit(I2C_TypeDef *I2Cx, uint32_t I2C_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_I2C_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_iwdg.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* IWDG firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_IWDG_H
#define __CH32V00x_IWDG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* IWDG_WriteAccess */
#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
/* IWDG_prescaler */
#define IWDG_Prescaler_4 ((uint8_t)0x00)
#define IWDG_Prescaler_8 ((uint8_t)0x01)
#define IWDG_Prescaler_16 ((uint8_t)0x02)
#define IWDG_Prescaler_32 ((uint8_t)0x03)
#define IWDG_Prescaler_64 ((uint8_t)0x04)
#define IWDG_Prescaler_128 ((uint8_t)0x05)
#define IWDG_Prescaler_256 ((uint8_t)0x06)
/* IWDG_Flag */
#define IWDG_FLAG_PVU ((uint16_t)0x0001)
#define IWDG_FLAG_RVU ((uint16_t)0x0002)
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
void IWDG_SetReload(uint16_t Reload);
void IWDG_ReloadCounter(void);
void IWDG_Enable(void);
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_IWDG_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_misc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* miscellaneous firmware library functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00X_MISC_H
#define __CH32V00X_MISC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* NVIC Init Structure definition */
typedef struct
{
uint8_t NVIC_IRQChannel;
uint8_t NVIC_IRQChannelPreemptionPriority;
uint8_t NVIC_IRQChannelSubPriority;
FunctionalState NVIC_IRQChannelCmd;
} NVIC_InitTypeDef;
/* Preemption_Priority_Group */
#define NVIC_PriorityGroup_0 ((uint32_t)0x00)
#define NVIC_PriorityGroup_1 ((uint32_t)0x01)
#define NVIC_PriorityGroup_2 ((uint32_t)0x02)
#define NVIC_PriorityGroup_3 ((uint32_t)0x03)
#define NVIC_PriorityGroup_4 ((uint32_t)0x04)
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_MISC_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_opa.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* OPA firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_OPA_H
#define __CH32V00x_OPA_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ch32v00x.h"
/* OPA PSEL enumeration */
typedef enum
{
CHP0 = 0,
CHP1
} OPA_PSEL_TypeDef;
/* OPA NSEL enumeration */
typedef enum
{
CHN0 = 0,
CHN1
} OPA_NSEL_TypeDef;
/* OPA Init Structure definition */
typedef struct
{
OPA_PSEL_TypeDef PSEL; /* Specifies the positive channel of OPA */
OPA_NSEL_TypeDef NSEL; /* Specifies the negative channel of OPA */
} OPA_InitTypeDef;
void OPA_DeInit(void);
void OPA_Init(OPA_InitTypeDef *OPA_InitStruct);
void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct);
void OPA_Cmd(FunctionalState NewState);
#ifdef __cplusplus
}
#endif
#endif

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_pwr.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the PWR
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_PWR_H
#define __CH32V00x_PWR_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* PVD_detection_level */
#define PWR_PVDLevel_2V9 ((uint32_t)0x00000000)
#define PWR_PVDLevel_3V1 ((uint32_t)0x00000020)
#define PWR_PVDLevel_3V3 ((uint32_t)0x00000040)
#define PWR_PVDLevel_3V5 ((uint32_t)0x00000060)
#define PWR_PVDLevel_3V7 ((uint32_t)0x00000080)
#define PWR_PVDLevel_3V9 ((uint32_t)0x000000A0)
#define PWR_PVDLevel_4V1 ((uint32_t)0x000000C0)
#define PWR_PVDLevel_4V4 ((uint32_t)0x000000E0)
/* PWR_AWU_Prescaler */
#define PWR_AWU_Prescaler_1 ((uint32_t)0x00000000)
#define PWR_AWU_Prescaler_2 ((uint32_t)0x00000002)
#define PWR_AWU_Prescaler_4 ((uint32_t)0x00000003)
#define PWR_AWU_Prescaler_8 ((uint32_t)0x00000004)
#define PWR_AWU_Prescaler_16 ((uint32_t)0x00000005)
#define PWR_AWU_Prescaler_32 ((uint32_t)0x00000006)
#define PWR_AWU_Prescaler_64 ((uint32_t)0x00000007)
#define PWR_AWU_Prescaler_128 ((uint32_t)0x00000008)
#define PWR_AWU_Prescaler_256 ((uint32_t)0x00000009)
#define PWR_AWU_Prescaler_512 ((uint32_t)0x0000000A)
#define PWR_AWU_Prescaler_1024 ((uint32_t)0x0000000B)
#define PWR_AWU_Prescaler_2048 ((uint32_t)0x0000000C)
#define PWR_AWU_Prescaler_4096 ((uint32_t)0x0000000D)
#define PWR_AWU_Prescaler_10240 ((uint32_t)0x0000000E)
#define PWR_AWU_Prescaler_61440 ((uint32_t)0x0000000F)
/* STOP_mode_entry */
#define PWR_STANDBYEntry_WFI ((uint8_t)0x01)
#define PWR_STANDBYEntry_WFE ((uint8_t)0x02)
/* PWR_Flag */
#define PWR_FLAG_PVDO ((uint32_t)0x00000004)
void PWR_DeInit(void);
void PWR_PVDCmd(FunctionalState NewState);
void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel);
void PWR_AutoWakeUpCmd(FunctionalState NewState);
void PWR_AWU_SetPrescaler(uint32_t AWU_Prescaler);
void PWR_AWU_SetWindowValue(uint8_t WindowValue);
void PWR_EnterSTANDBYMode(uint8_t PWR_STANDBYEntry);
FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_PWR_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_rcc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the RCC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_RCC_H
#define __CH32V00x_RCC_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* RCC_Exported_Types */
typedef struct
{
uint32_t SYSCLK_Frequency; /* returns SYSCLK clock frequency expressed in Hz */
uint32_t HCLK_Frequency; /* returns HCLK clock frequency expressed in Hz */
uint32_t PCLK1_Frequency; /* returns PCLK1 clock frequency expressed in Hz */
uint32_t PCLK2_Frequency; /* returns PCLK2 clock frequency expressed in Hz */
uint32_t ADCCLK_Frequency; /* returns ADCCLK clock frequency expressed in Hz */
} RCC_ClocksTypeDef;
/* HSE_configuration */
#define RCC_HSE_OFF ((uint32_t)0x00000000)
#define RCC_HSE_ON ((uint32_t)0x00010000)
#define RCC_HSE_Bypass ((uint32_t)0x00040000)
/* PLL_entry_clock_source */
#define RCC_PLLSource_HSI_MUL2 ((uint32_t)0x00000000)
#define RCC_PLLSource_HSE_MUL2 ((uint32_t)0x00030000)
/* System_clock_source */
#define RCC_SYSCLKSource_HSI ((uint32_t)0x00000000)
#define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001)
#define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002)
/* AHB_clock_source */
#define RCC_SYSCLK_Div1 ((uint32_t)0x00000000)
#define RCC_SYSCLK_Div2 ((uint32_t)0x00000010)
#define RCC_SYSCLK_Div3 ((uint32_t)0x00000020)
#define RCC_SYSCLK_Div4 ((uint32_t)0x00000030)
#define RCC_SYSCLK_Div5 ((uint32_t)0x00000040)
#define RCC_SYSCLK_Div6 ((uint32_t)0x00000050)
#define RCC_SYSCLK_Div7 ((uint32_t)0x00000060)
#define RCC_SYSCLK_Div8 ((uint32_t)0x00000070)
#define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0)
#define RCC_SYSCLK_Div32 ((uint32_t)0x000000C0)
#define RCC_SYSCLK_Div64 ((uint32_t)0x000000D0)
#define RCC_SYSCLK_Div128 ((uint32_t)0x000000E0)
#define RCC_SYSCLK_Div256 ((uint32_t)0x000000F0)
/* RCC_Interrupt_source */
#define RCC_IT_LSIRDY ((uint8_t)0x01)
#define RCC_IT_HSIRDY ((uint8_t)0x04)
#define RCC_IT_HSERDY ((uint8_t)0x08)
#define RCC_IT_PLLRDY ((uint8_t)0x10)
#define RCC_IT_CSS ((uint8_t)0x80)
/* ADC_clock_source */
#define RCC_PCLK2_Div2 ((uint32_t)0x00000000)
#define RCC_PCLK2_Div4 ((uint32_t)0x00004000)
#define RCC_PCLK2_Div6 ((uint32_t)0x00008000)
#define RCC_PCLK2_Div8 ((uint32_t)0x0000C000)
#define RCC_PCLK2_Div12 ((uint32_t)0x0000A000)
#define RCC_PCLK2_Div16 ((uint32_t)0x0000E000)
#define RCC_PCLK2_Div24 ((uint32_t)0x0000A800)
#define RCC_PCLK2_Div32 ((uint32_t)0x0000E800)
#define RCC_PCLK2_Div48 ((uint32_t)0x0000B000)
#define RCC_PCLK2_Div64 ((uint32_t)0x0000F000)
#define RCC_PCLK2_Div96 ((uint32_t)0x0000B800)
#define RCC_PCLK2_Div128 ((uint32_t)0x0000F800)
/* AHB_peripheral */
#define RCC_AHBPeriph_DMA1 ((uint32_t)0x00000001)
#define RCC_AHBPeriph_SRAM ((uint32_t)0x00000004)
/* APB2_peripheral */
#define RCC_APB2Periph_AFIO ((uint32_t)0x00000001)
#define RCC_APB2Periph_GPIOA ((uint32_t)0x00000004)
#define RCC_APB2Periph_GPIOC ((uint32_t)0x00000010)
#define RCC_APB2Periph_GPIOD ((uint32_t)0x00000020)
#define RCC_APB2Periph_ADC1 ((uint32_t)0x00000200)
#define RCC_APB2Periph_TIM1 ((uint32_t)0x00000800)
#define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000)
#define RCC_APB2Periph_USART1 ((uint32_t)0x00004000)
/* APB1_peripheral */
#define RCC_APB1Periph_TIM2 ((uint32_t)0x00000001)
#define RCC_APB1Periph_WWDG ((uint32_t)0x00000800)
#define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000)
#define RCC_APB1Periph_PWR ((uint32_t)0x10000000)
/* Clock_source_to_output_on_MCO_pin */
#define RCC_MCO_NoClock ((uint8_t)0x00)
#define RCC_MCO_SYSCLK ((uint8_t)0x04)
#define RCC_MCO_HSI ((uint8_t)0x05)
#define RCC_MCO_HSE ((uint8_t)0x06)
#define RCC_MCO_PLLCLK ((uint8_t)0x07)
/* RCC_Flag */
#define RCC_FLAG_HSIRDY ((uint8_t)0x21)
#define RCC_FLAG_HSERDY ((uint8_t)0x31)
#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
#define RCC_FLAG_LSIRDY ((uint8_t)0x61)
#define RCC_FLAG_PINRST ((uint8_t)0x7A)
#define RCC_FLAG_PORRST ((uint8_t)0x7B)
#define RCC_FLAG_SFTRST ((uint8_t)0x7C)
#define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
#define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
#define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
/* SysTick_clock_source */
#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
void RCC_DeInit(void);
void RCC_HSEConfig(uint32_t RCC_HSE);
ErrorStatus RCC_WaitForHSEStartUp(void);
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue);
void RCC_HSICmd(FunctionalState NewState);
void RCC_PLLConfig(uint32_t RCC_PLLSource);
void RCC_PLLCmd(FunctionalState NewState);
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
uint8_t RCC_GetSYSCLKSource(void);
void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
void RCC_ADCCLKConfig(uint32_t RCC_PCLK2);
void RCC_LSICmd(FunctionalState NewState);
void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks);
void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
void RCC_MCOConfig(uint8_t RCC_MCO);
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);
void RCC_ClearFlag(void);
ITStatus RCC_GetITStatus(uint8_t RCC_IT);
void RCC_ClearITPendingBit(uint8_t RCC_IT);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_RCC_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_spi.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* SPI firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_SPI_H
#define __CH32V00x_SPI_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* SPI Init structure definition */
typedef struct
{
uint16_t SPI_Direction; /* Specifies the SPI unidirectional or bidirectional data mode.
This parameter can be a value of @ref SPI_data_direction */
uint16_t SPI_Mode; /* Specifies the SPI operating mode.
This parameter can be a value of @ref SPI_mode */
uint16_t SPI_DataSize; /* Specifies the SPI data size.
This parameter can be a value of @ref SPI_data_size */
uint16_t SPI_CPOL; /* Specifies the serial clock steady state.
This parameter can be a value of @ref SPI_Clock_Polarity */
uint16_t SPI_CPHA; /* Specifies the clock active edge for the bit capture.
This parameter can be a value of @ref SPI_Clock_Phase */
uint16_t SPI_NSS; /* Specifies whether the NSS signal is managed by
hardware (NSS pin) or by software using the SSI bit.
This parameter can be a value of @ref SPI_Slave_Select_management */
uint16_t SPI_BaudRatePrescaler; /* Specifies the Baud Rate prescaler value which will be
used to configure the transmit and receive SCK clock.
This parameter can be a value of @ref SPI_BaudRate_Prescaler.
@note The communication clock is derived from the master
clock. The slave clock does not need to be set. */
uint16_t SPI_FirstBit; /* Specifies whether data transfers start from MSB bit. */
uint16_t SPI_CRCPolynomial; /* Specifies the polynomial used for the CRC calculation. */
} SPI_InitTypeDef;
/* SPI_data_direction */
#define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
#define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
#define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
#define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
/* SPI_mode */
#define SPI_Mode_Master ((uint16_t)0x0104)
#define SPI_Mode_Slave ((uint16_t)0x0000)
/* SPI_data_size */
#define SPI_DataSize_16b ((uint16_t)0x0800)
#define SPI_DataSize_8b ((uint16_t)0x0000)
/* SPI_Clock_Polarity */
#define SPI_CPOL_Low ((uint16_t)0x0000)
#define SPI_CPOL_High ((uint16_t)0x0002)
/* SPI_Clock_Phase */
#define SPI_CPHA_1Edge ((uint16_t)0x0000)
#define SPI_CPHA_2Edge ((uint16_t)0x0001)
/* SPI_Slave_Select_management */
#define SPI_NSS_Soft ((uint16_t)0x0200)
#define SPI_NSS_Hard ((uint16_t)0x0000)
/* SPI_BaudRate_Prescaler */
#define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
#define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
#define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
#define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
#define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
#define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
#define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
#define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
/* SPI_MSB_LSB transmission */
#define SPI_FirstBit_MSB ((uint16_t)0x0000)
#define SPI_FirstBit_LSB ((uint16_t)0x0080)//not support SPI slave mode
/* SPI_I2S_DMA_transfer_requests */
#define SPI_I2S_DMAReq_Tx ((uint16_t)0x0002)
#define SPI_I2S_DMAReq_Rx ((uint16_t)0x0001)
/* SPI_NSS_internal_software_management */
#define SPI_NSSInternalSoft_Set ((uint16_t)0x0100)
#define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
/* SPI_CRC_Transmit_Receive */
#define SPI_CRC_Tx ((uint8_t)0x00)
#define SPI_CRC_Rx ((uint8_t)0x01)
/* SPI_direction_transmit_receive */
#define SPI_Direction_Rx ((uint16_t)0xBFFF)
#define SPI_Direction_Tx ((uint16_t)0x4000)
/* SPI_I2S_interrupts_definition */
#define SPI_I2S_IT_TXE ((uint8_t)0x71)
#define SPI_I2S_IT_RXNE ((uint8_t)0x60)
#define SPI_I2S_IT_ERR ((uint8_t)0x50)
#define SPI_I2S_IT_OVR ((uint8_t)0x56)
#define SPI_IT_MODF ((uint8_t)0x55)
#define SPI_IT_CRCERR ((uint8_t)0x54)
#define I2S_IT_UDR ((uint8_t)0x53)
/* SPI_I2S_flags_definition */
#define SPI_I2S_FLAG_RXNE ((uint16_t)0x0001)
#define SPI_I2S_FLAG_TXE ((uint16_t)0x0002)
#define I2S_FLAG_CHSIDE ((uint16_t)0x0004)
#define I2S_FLAG_UDR ((uint16_t)0x0008)
#define SPI_FLAG_CRCERR ((uint16_t)0x0010)
#define SPI_FLAG_MODF ((uint16_t)0x0020)
#define SPI_I2S_FLAG_OVR ((uint16_t)0x0040)
#define SPI_I2S_FLAG_BSY ((uint16_t)0x0080)
void SPI_I2S_DeInit(SPI_TypeDef *SPIx);
void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct);
void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct);
void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState);
void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data);
uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx);
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft);
void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState);
void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize);
void SPI_TransmitCRC(SPI_TypeDef *SPIx);
void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState);
uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC);
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx);
void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction);
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG);
void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG);
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT);
void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_SPI_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_tim.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* TIM firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_TIM_H
#define __CH32V00x_TIM_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* TIM Time Base Init structure definition */
typedef struct
{
uint16_t TIM_Prescaler; /* Specifies the prescaler value used to divide the TIM clock.
This parameter can be a number between 0x0000 and 0xFFFF */
uint16_t TIM_CounterMode; /* Specifies the counter mode.
This parameter can be a value of @ref TIM_Counter_Mode */
uint16_t TIM_Period; /* Specifies the period value to be loaded into the active
Auto-Reload Register at the next update event.
This parameter must be a number between 0x0000 and 0xFFFF. */
uint16_t TIM_ClockDivision; /* Specifies the clock division.
This parameter can be a value of @ref TIM_Clock_Division_CKD */
uint8_t TIM_RepetitionCounter; /* Specifies the repetition counter value. Each time the RCR downcounter
reaches zero, an update event is generated and counting restarts
from the RCR value (N).
This means in PWM mode that (N+1) corresponds to:
- the number of PWM periods in edge-aligned mode
- the number of half PWM period in center-aligned mode
This parameter must be a number between 0x00 and 0xFF.
@note This parameter is valid only for TIM1. */
} TIM_TimeBaseInitTypeDef;
/* TIM Output Compare Init structure definition */
typedef struct
{
uint16_t TIM_OCMode; /* Specifies the TIM mode.
This parameter can be a value of @ref TIM_Output_Compare_and_PWM_modes */
uint16_t TIM_OutputState; /* Specifies the TIM Output Compare state.
This parameter can be a value of @ref TIM_Output_Compare_state */
uint16_t TIM_OutputNState; /* Specifies the TIM complementary Output Compare state.
This parameter can be a value of @ref TIM_Output_Compare_N_state
@note This parameter is valid only for TIM1. */
uint16_t TIM_Pulse; /* Specifies the pulse value to be loaded into the Capture Compare Register.
This parameter can be a number between 0x0000 and 0xFFFF */
uint16_t TIM_OCPolarity; /* Specifies the output polarity.
This parameter can be a value of @ref TIM_Output_Compare_Polarity */
uint16_t TIM_OCNPolarity; /* Specifies the complementary output polarity.
This parameter can be a value of @ref TIM_Output_Compare_N_Polarity
@note This parameter is valid only for TIM1. */
uint16_t TIM_OCIdleState; /* Specifies the TIM Output Compare pin state during Idle state.
This parameter can be a value of @ref TIM_Output_Compare_Idle_State
@note This parameter is valid only for TIM1. */
uint16_t TIM_OCNIdleState; /* Specifies the TIM Output Compare pin state during Idle state.
This parameter can be a value of @ref TIM_Output_Compare_N_Idle_State
@note This parameter is valid only for TIM1. */
} TIM_OCInitTypeDef;
/* TIM Input Capture Init structure definition */
typedef struct
{
uint16_t TIM_Channel; /* Specifies the TIM channel.
This parameter can be a value of @ref TIM_Channel */
uint16_t TIM_ICPolarity; /* Specifies the active edge of the input signal.
This parameter can be a value of @ref TIM_Input_Capture_Polarity */
uint16_t TIM_ICSelection; /* Specifies the input.
This parameter can be a value of @ref TIM_Input_Capture_Selection */
uint16_t TIM_ICPrescaler; /* Specifies the Input Capture Prescaler.
This parameter can be a value of @ref TIM_Input_Capture_Prescaler */
uint16_t TIM_ICFilter; /* Specifies the input capture filter.
This parameter can be a number between 0x0 and 0xF */
} TIM_ICInitTypeDef;
/* BDTR structure definition */
typedef struct
{
uint16_t TIM_OSSRState; /* Specifies the Off-State selection used in Run mode.
This parameter can be a value of @ref OSSR_Off_State_Selection_for_Run_mode_state */
uint16_t TIM_OSSIState; /* Specifies the Off-State used in Idle state.
This parameter can be a value of @ref OSSI_Off_State_Selection_for_Idle_mode_state */
uint16_t TIM_LOCKLevel; /* Specifies the LOCK level parameters.
This parameter can be a value of @ref Lock_level */
uint16_t TIM_DeadTime; /* Specifies the delay time between the switching-off and the
switching-on of the outputs.
This parameter can be a number between 0x00 and 0xFF */
uint16_t TIM_Break; /* Specifies whether the TIM Break input is enabled or not.
This parameter can be a value of @ref Break_Input_enable_disable */
uint16_t TIM_BreakPolarity; /* Specifies the TIM Break Input pin polarity.
This parameter can be a value of @ref Break_Polarity */
uint16_t TIM_AutomaticOutput; /* Specifies whether the TIM Automatic Output feature is enabled or not.
This parameter can be a value of @ref TIM_AOE_Bit_Set_Reset */
} TIM_BDTRInitTypeDef;
/* TIM_Output_Compare_and_PWM_modes */
#define TIM_OCMode_Timing ((uint16_t)0x0000)
#define TIM_OCMode_Active ((uint16_t)0x0010)
#define TIM_OCMode_Inactive ((uint16_t)0x0020)
#define TIM_OCMode_Toggle ((uint16_t)0x0030)
#define TIM_OCMode_PWM1 ((uint16_t)0x0060)
#define TIM_OCMode_PWM2 ((uint16_t)0x0070)
/* TIM_One_Pulse_Mode */
#define TIM_OPMode_Single ((uint16_t)0x0008)
#define TIM_OPMode_Repetitive ((uint16_t)0x0000)
/* TIM_Channel */
#define TIM_Channel_1 ((uint16_t)0x0000)
#define TIM_Channel_2 ((uint16_t)0x0004)
#define TIM_Channel_3 ((uint16_t)0x0008)
#define TIM_Channel_4 ((uint16_t)0x000C)
/* TIM_Clock_Division_CKD */
#define TIM_CKD_DIV1 ((uint16_t)0x0000)
#define TIM_CKD_DIV2 ((uint16_t)0x0100)
#define TIM_CKD_DIV4 ((uint16_t)0x0200)
/* TIM_Counter_Mode */
#define TIM_CounterMode_Up ((uint16_t)0x0000)
#define TIM_CounterMode_Down ((uint16_t)0x0010)
#define TIM_CounterMode_CenterAligned1 ((uint16_t)0x0020)
#define TIM_CounterMode_CenterAligned2 ((uint16_t)0x0040)
#define TIM_CounterMode_CenterAligned3 ((uint16_t)0x0060)
/* TIM_Output_Compare_Polarity */
#define TIM_OCPolarity_High ((uint16_t)0x0000)
#define TIM_OCPolarity_Low ((uint16_t)0x0002)
/* TIM_Output_Compare_N_Polarity */
#define TIM_OCNPolarity_High ((uint16_t)0x0000)
#define TIM_OCNPolarity_Low ((uint16_t)0x0008)
/* TIM_Output_Compare_state */
#define TIM_OutputState_Disable ((uint16_t)0x0000)
#define TIM_OutputState_Enable ((uint16_t)0x0001)
/* TIM_Output_Compare_N_state */
#define TIM_OutputNState_Disable ((uint16_t)0x0000)
#define TIM_OutputNState_Enable ((uint16_t)0x0004)
/* TIM_Capture_Compare_state */
#define TIM_CCx_Enable ((uint16_t)0x0001)
#define TIM_CCx_Disable ((uint16_t)0x0000)
/* TIM_Capture_Compare_N_state */
#define TIM_CCxN_Enable ((uint16_t)0x0004)
#define TIM_CCxN_Disable ((uint16_t)0x0000)
/* Break_Input_enable_disable */
#define TIM_Break_Enable ((uint16_t)0x1000)
#define TIM_Break_Disable ((uint16_t)0x0000)
/* Break_Polarity */
#define TIM_BreakPolarity_Low ((uint16_t)0x0000)
#define TIM_BreakPolarity_High ((uint16_t)0x2000)
/* TIM_AOE_Bit_Set_Reset */
#define TIM_AutomaticOutput_Enable ((uint16_t)0x4000)
#define TIM_AutomaticOutput_Disable ((uint16_t)0x0000)
/* Lock_level */
#define TIM_LOCKLevel_OFF ((uint16_t)0x0000)
#define TIM_LOCKLevel_1 ((uint16_t)0x0100)
#define TIM_LOCKLevel_2 ((uint16_t)0x0200)
#define TIM_LOCKLevel_3 ((uint16_t)0x0300)
/* OSSI_Off_State_Selection_for_Idle_mode_state */
#define TIM_OSSIState_Enable ((uint16_t)0x0400)
#define TIM_OSSIState_Disable ((uint16_t)0x0000)
/* OSSR_Off_State_Selection_for_Run_mode_state */
#define TIM_OSSRState_Enable ((uint16_t)0x0800)
#define TIM_OSSRState_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Idle_State */
#define TIM_OCIdleState_Set ((uint16_t)0x0100)
#define TIM_OCIdleState_Reset ((uint16_t)0x0000)
/* TIM_Output_Compare_N_Idle_State */
#define TIM_OCNIdleState_Set ((uint16_t)0x0200)
#define TIM_OCNIdleState_Reset ((uint16_t)0x0000)
/* TIM_Input_Capture_Polarity */
#define TIM_ICPolarity_Rising ((uint16_t)0x0000)
#define TIM_ICPolarity_Falling ((uint16_t)0x0002)
#define TIM_ICPolarity_BothEdge ((uint16_t)0x000A)
/* TIM_Input_Capture_Selection */
#define TIM_ICSelection_DirectTI ((uint16_t)0x0001) /* TIM Input 1, 2, 3 or 4 is selected to be \
connected to IC1, IC2, IC3 or IC4, respectively */
#define TIM_ICSelection_IndirectTI ((uint16_t)0x0002) /* TIM Input 1, 2, 3 or 4 is selected to be \
connected to IC2, IC1, IC4 or IC3, respectively. */
#define TIM_ICSelection_TRC ((uint16_t)0x0003) /* TIM Input 1, 2, 3 or 4 is selected to be connected to TRC. */
/* TIM_Input_Capture_Prescaler */
#define TIM_ICPSC_DIV1 ((uint16_t)0x0000) /* Capture performed each time an edge is detected on the capture input. */
#define TIM_ICPSC_DIV2 ((uint16_t)0x0004) /* Capture performed once every 2 events. */
#define TIM_ICPSC_DIV4 ((uint16_t)0x0008) /* Capture performed once every 4 events. */
#define TIM_ICPSC_DIV8 ((uint16_t)0x000C) /* Capture performed once every 8 events. */
/* TIM_interrupt_sources */
#define TIM_IT_Update ((uint16_t)0x0001)
#define TIM_IT_CC1 ((uint16_t)0x0002)
#define TIM_IT_CC2 ((uint16_t)0x0004)
#define TIM_IT_CC3 ((uint16_t)0x0008)
#define TIM_IT_CC4 ((uint16_t)0x0010)
#define TIM_IT_COM ((uint16_t)0x0020)
#define TIM_IT_Trigger ((uint16_t)0x0040)
#define TIM_IT_Break ((uint16_t)0x0080)
/* TIM_DMA_Base_address */
#define TIM_DMABase_CR1 ((uint16_t)0x0000)
#define TIM_DMABase_CR2 ((uint16_t)0x0001)
#define TIM_DMABase_SMCR ((uint16_t)0x0002)
#define TIM_DMABase_DIER ((uint16_t)0x0003)
#define TIM_DMABase_SR ((uint16_t)0x0004)
#define TIM_DMABase_EGR ((uint16_t)0x0005)
#define TIM_DMABase_CCMR1 ((uint16_t)0x0006)
#define TIM_DMABase_CCMR2 ((uint16_t)0x0007)
#define TIM_DMABase_CCER ((uint16_t)0x0008)
#define TIM_DMABase_CNT ((uint16_t)0x0009)
#define TIM_DMABase_PSC ((uint16_t)0x000A)
#define TIM_DMABase_ARR ((uint16_t)0x000B)
#define TIM_DMABase_RCR ((uint16_t)0x000C)
#define TIM_DMABase_CCR1 ((uint16_t)0x000D)
#define TIM_DMABase_CCR2 ((uint16_t)0x000E)
#define TIM_DMABase_CCR3 ((uint16_t)0x000F)
#define TIM_DMABase_CCR4 ((uint16_t)0x0010)
#define TIM_DMABase_BDTR ((uint16_t)0x0011)
#define TIM_DMABase_DCR ((uint16_t)0x0012)
/* TIM_DMA_Burst_Length */
#define TIM_DMABurstLength_1Transfer ((uint16_t)0x0000)
#define TIM_DMABurstLength_2Transfers ((uint16_t)0x0100)
#define TIM_DMABurstLength_3Transfers ((uint16_t)0x0200)
#define TIM_DMABurstLength_4Transfers ((uint16_t)0x0300)
#define TIM_DMABurstLength_5Transfers ((uint16_t)0x0400)
#define TIM_DMABurstLength_6Transfers ((uint16_t)0x0500)
#define TIM_DMABurstLength_7Transfers ((uint16_t)0x0600)
#define TIM_DMABurstLength_8Transfers ((uint16_t)0x0700)
#define TIM_DMABurstLength_9Transfers ((uint16_t)0x0800)
#define TIM_DMABurstLength_10Transfers ((uint16_t)0x0900)
#define TIM_DMABurstLength_11Transfers ((uint16_t)0x0A00)
#define TIM_DMABurstLength_12Transfers ((uint16_t)0x0B00)
#define TIM_DMABurstLength_13Transfers ((uint16_t)0x0C00)
#define TIM_DMABurstLength_14Transfers ((uint16_t)0x0D00)
#define TIM_DMABurstLength_15Transfers ((uint16_t)0x0E00)
#define TIM_DMABurstLength_16Transfers ((uint16_t)0x0F00)
#define TIM_DMABurstLength_17Transfers ((uint16_t)0x1000)
#define TIM_DMABurstLength_18Transfers ((uint16_t)0x1100)
/* TIM_DMA_sources */
#define TIM_DMA_Update ((uint16_t)0x0100)
#define TIM_DMA_CC1 ((uint16_t)0x0200)
#define TIM_DMA_CC2 ((uint16_t)0x0400)
#define TIM_DMA_CC3 ((uint16_t)0x0800)
#define TIM_DMA_CC4 ((uint16_t)0x1000)
#define TIM_DMA_COM ((uint16_t)0x2000)
#define TIM_DMA_Trigger ((uint16_t)0x4000)
/* TIM_External_Trigger_Prescaler */
#define TIM_ExtTRGPSC_OFF ((uint16_t)0x0000)
#define TIM_ExtTRGPSC_DIV2 ((uint16_t)0x1000)
#define TIM_ExtTRGPSC_DIV4 ((uint16_t)0x2000)
#define TIM_ExtTRGPSC_DIV8 ((uint16_t)0x3000)
/* TIM_Internal_Trigger_Selection */
#define TIM_TS_ITR0 ((uint16_t)0x0000)
#define TIM_TS_ITR1 ((uint16_t)0x0010)
#define TIM_TS_ITR2 ((uint16_t)0x0020)
#define TIM_TS_ITR3 ((uint16_t)0x0030)
#define TIM_TS_TI1F_ED ((uint16_t)0x0040)
#define TIM_TS_TI1FP1 ((uint16_t)0x0050)
#define TIM_TS_TI2FP2 ((uint16_t)0x0060)
#define TIM_TS_ETRF ((uint16_t)0x0070)
/* TIM_TIx_External_Clock_Source */
#define TIM_TIxExternalCLK1Source_TI1 ((uint16_t)0x0050)
#define TIM_TIxExternalCLK1Source_TI2 ((uint16_t)0x0060)
#define TIM_TIxExternalCLK1Source_TI1ED ((uint16_t)0x0040)
/* TIM_External_Trigger_Polarity */
#define TIM_ExtTRGPolarity_Inverted ((uint16_t)0x8000)
#define TIM_ExtTRGPolarity_NonInverted ((uint16_t)0x0000)
/* TIM_Prescaler_Reload_Mode */
#define TIM_PSCReloadMode_Update ((uint16_t)0x0000)
#define TIM_PSCReloadMode_Immediate ((uint16_t)0x0001)
/* TIM_Forced_Action */
#define TIM_ForcedAction_Active ((uint16_t)0x0050)
#define TIM_ForcedAction_InActive ((uint16_t)0x0040)
/* TIM_Encoder_Mode */
#define TIM_EncoderMode_TI1 ((uint16_t)0x0001)
#define TIM_EncoderMode_TI2 ((uint16_t)0x0002)
#define TIM_EncoderMode_TI12 ((uint16_t)0x0003)
/* TIM_Event_Source */
#define TIM_EventSource_Update ((uint16_t)0x0001)
#define TIM_EventSource_CC1 ((uint16_t)0x0002)
#define TIM_EventSource_CC2 ((uint16_t)0x0004)
#define TIM_EventSource_CC3 ((uint16_t)0x0008)
#define TIM_EventSource_CC4 ((uint16_t)0x0010)
#define TIM_EventSource_COM ((uint16_t)0x0020)
#define TIM_EventSource_Trigger ((uint16_t)0x0040)
#define TIM_EventSource_Break ((uint16_t)0x0080)
/* TIM_Update_Source */
#define TIM_UpdateSource_Global ((uint16_t)0x0000) /* Source of update is the counter overflow/underflow \
or the setting of UG bit, or an update generation \
through the slave mode controller. */
#define TIM_UpdateSource_Regular ((uint16_t)0x0001) /* Source of update is counter overflow/underflow. */
/* TIM_Output_Compare_Preload_State */
#define TIM_OCPreload_Enable ((uint16_t)0x0008)
#define TIM_OCPreload_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Fast_State */
#define TIM_OCFast_Enable ((uint16_t)0x0004)
#define TIM_OCFast_Disable ((uint16_t)0x0000)
/* TIM_Output_Compare_Clear_State */
#define TIM_OCClear_Enable ((uint16_t)0x0080)
#define TIM_OCClear_Disable ((uint16_t)0x0000)
/* TIM_Trigger_Output_Source */
#define TIM_TRGOSource_Reset ((uint16_t)0x0000)
#define TIM_TRGOSource_Enable ((uint16_t)0x0010)
#define TIM_TRGOSource_Update ((uint16_t)0x0020)
#define TIM_TRGOSource_OC1 ((uint16_t)0x0030)
#define TIM_TRGOSource_OC1Ref ((uint16_t)0x0040)
#define TIM_TRGOSource_OC2Ref ((uint16_t)0x0050)
#define TIM_TRGOSource_OC3Ref ((uint16_t)0x0060)
#define TIM_TRGOSource_OC4Ref ((uint16_t)0x0070)
/* TIM_Slave_Mode */
#define TIM_SlaveMode_Reset ((uint16_t)0x0004)
#define TIM_SlaveMode_Gated ((uint16_t)0x0005)
#define TIM_SlaveMode_Trigger ((uint16_t)0x0006)
#define TIM_SlaveMode_External1 ((uint16_t)0x0007)
/* TIM_Master_Slave_Mode */
#define TIM_MasterSlaveMode_Enable ((uint16_t)0x0080)
#define TIM_MasterSlaveMode_Disable ((uint16_t)0x0000)
/* TIM_Flags */
#define TIM_FLAG_Update ((uint16_t)0x0001)
#define TIM_FLAG_CC1 ((uint16_t)0x0002)
#define TIM_FLAG_CC2 ((uint16_t)0x0004)
#define TIM_FLAG_CC3 ((uint16_t)0x0008)
#define TIM_FLAG_CC4 ((uint16_t)0x0010)
#define TIM_FLAG_COM ((uint16_t)0x0020)
#define TIM_FLAG_Trigger ((uint16_t)0x0040)
#define TIM_FLAG_Break ((uint16_t)0x0080)
#define TIM_FLAG_CC1OF ((uint16_t)0x0200)
#define TIM_FLAG_CC2OF ((uint16_t)0x0400)
#define TIM_FLAG_CC3OF ((uint16_t)0x0800)
#define TIM_FLAG_CC4OF ((uint16_t)0x1000)
/* TIM_Legacy */
#define TIM_DMABurstLength_1Byte TIM_DMABurstLength_1Transfer
#define TIM_DMABurstLength_2Bytes TIM_DMABurstLength_2Transfers
#define TIM_DMABurstLength_3Bytes TIM_DMABurstLength_3Transfers
#define TIM_DMABurstLength_4Bytes TIM_DMABurstLength_4Transfers
#define TIM_DMABurstLength_5Bytes TIM_DMABurstLength_5Transfers
#define TIM_DMABurstLength_6Bytes TIM_DMABurstLength_6Transfers
#define TIM_DMABurstLength_7Bytes TIM_DMABurstLength_7Transfers
#define TIM_DMABurstLength_8Bytes TIM_DMABurstLength_8Transfers
#define TIM_DMABurstLength_9Bytes TIM_DMABurstLength_9Transfers
#define TIM_DMABurstLength_10Bytes TIM_DMABurstLength_10Transfers
#define TIM_DMABurstLength_11Bytes TIM_DMABurstLength_11Transfers
#define TIM_DMABurstLength_12Bytes TIM_DMABurstLength_12Transfers
#define TIM_DMABurstLength_13Bytes TIM_DMABurstLength_13Transfers
#define TIM_DMABurstLength_14Bytes TIM_DMABurstLength_14Transfers
#define TIM_DMABurstLength_15Bytes TIM_DMABurstLength_15Transfers
#define TIM_DMABurstLength_16Bytes TIM_DMABurstLength_16Transfers
#define TIM_DMABurstLength_17Bytes TIM_DMABurstLength_17Transfers
#define TIM_DMABurstLength_18Bytes TIM_DMABurstLength_18Transfers
void TIM_DeInit(TIM_TypeDef *TIMx);
void TIM_TimeBaseInit(TIM_TypeDef *TIMx, TIM_TimeBaseInitTypeDef *TIM_TimeBaseInitStruct);
void TIM_OC1Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC2Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC3Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_OC4Init(TIM_TypeDef *TIMx, TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_ICInit(TIM_TypeDef *TIMx, TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_PWMIConfig(TIM_TypeDef *TIMx, TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_BDTRConfig(TIM_TypeDef *TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef *TIM_TimeBaseInitStruct);
void TIM_OCStructInit(TIM_OCInitTypeDef *TIM_OCInitStruct);
void TIM_ICStructInit(TIM_ICInitTypeDef *TIM_ICInitStruct);
void TIM_BDTRStructInit(TIM_BDTRInitTypeDef *TIM_BDTRInitStruct);
void TIM_Cmd(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_CtrlPWMOutputs(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_ITConfig(TIM_TypeDef *TIMx, uint16_t TIM_IT, FunctionalState NewState);
void TIM_GenerateEvent(TIM_TypeDef *TIMx, uint16_t TIM_EventSource);
void TIM_DMAConfig(TIM_TypeDef *TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength);
void TIM_DMACmd(TIM_TypeDef *TIMx, uint16_t TIM_DMASource, FunctionalState NewState);
void TIM_InternalClockConfig(TIM_TypeDef *TIMx);
void TIM_ITRxExternalClockConfig(TIM_TypeDef *TIMx, uint16_t TIM_InputTriggerSource);
void TIM_TIxExternalClockConfig(TIM_TypeDef *TIMx, uint16_t TIM_TIxExternalCLKSource,
uint16_t TIM_ICPolarity, uint16_t ICFilter);
void TIM_ETRClockMode1Config(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
uint16_t ExtTRGFilter);
void TIM_ETRClockMode2Config(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler,
uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
void TIM_ETRConfig(TIM_TypeDef *TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
uint16_t ExtTRGFilter);
void TIM_PrescalerConfig(TIM_TypeDef *TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode);
void TIM_CounterModeConfig(TIM_TypeDef *TIMx, uint16_t TIM_CounterMode);
void TIM_SelectInputTrigger(TIM_TypeDef *TIMx, uint16_t TIM_InputTriggerSource);
void TIM_EncoderInterfaceConfig(TIM_TypeDef *TIMx, uint16_t TIM_EncoderMode,
uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity);
void TIM_ForcedOC1Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC2Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC3Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ForcedOC4Config(TIM_TypeDef *TIMx, uint16_t TIM_ForcedAction);
void TIM_ARRPreloadConfig(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectCOM(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectCCDMA(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_CCPreloadControl(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_OC1PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC2PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC3PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC4PreloadConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPreload);
void TIM_OC1FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC2FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC3FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_OC4FastConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCFast);
void TIM_ClearOC1Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC2Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC3Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_ClearOC4Ref(TIM_TypeDef *TIMx, uint16_t TIM_OCClear);
void TIM_OC1PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC1NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC2PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC2NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC3PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_OC3NPolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCNPolarity);
void TIM_OC4PolarityConfig(TIM_TypeDef *TIMx, uint16_t TIM_OCPolarity);
void TIM_CCxCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx);
void TIM_CCxNCmd(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN);
void TIM_SelectOCxM(TIM_TypeDef *TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode);
void TIM_UpdateDisableConfig(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_UpdateRequestConfig(TIM_TypeDef *TIMx, uint16_t TIM_UpdateSource);
void TIM_SelectHallSensor(TIM_TypeDef *TIMx, FunctionalState NewState);
void TIM_SelectOnePulseMode(TIM_TypeDef *TIMx, uint16_t TIM_OPMode);
void TIM_SelectOutputTrigger(TIM_TypeDef *TIMx, uint16_t TIM_TRGOSource);
void TIM_SelectSlaveMode(TIM_TypeDef *TIMx, uint16_t TIM_SlaveMode);
void TIM_SelectMasterSlaveMode(TIM_TypeDef *TIMx, uint16_t TIM_MasterSlaveMode);
void TIM_SetCounter(TIM_TypeDef *TIMx, uint16_t Counter);
void TIM_SetAutoreload(TIM_TypeDef *TIMx, uint16_t Autoreload);
void TIM_SetCompare1(TIM_TypeDef *TIMx, uint16_t Compare1);
void TIM_SetCompare2(TIM_TypeDef *TIMx, uint16_t Compare2);
void TIM_SetCompare3(TIM_TypeDef *TIMx, uint16_t Compare3);
void TIM_SetCompare4(TIM_TypeDef *TIMx, uint16_t Compare4);
void TIM_SetIC1Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC2Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC3Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetIC4Prescaler(TIM_TypeDef *TIMx, uint16_t TIM_ICPSC);
void TIM_SetClockDivision(TIM_TypeDef *TIMx, uint16_t TIM_CKD);
uint16_t TIM_GetCapture1(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture2(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture3(TIM_TypeDef *TIMx);
uint16_t TIM_GetCapture4(TIM_TypeDef *TIMx);
uint16_t TIM_GetCounter(TIM_TypeDef *TIMx);
uint16_t TIM_GetPrescaler(TIM_TypeDef *TIMx);
FlagStatus TIM_GetFlagStatus(TIM_TypeDef *TIMx, uint16_t TIM_FLAG);
void TIM_ClearFlag(TIM_TypeDef *TIMx, uint16_t TIM_FLAG);
ITStatus TIM_GetITStatus(TIM_TypeDef *TIMx, uint16_t TIM_IT);
void TIM_ClearITPendingBit(TIM_TypeDef *TIMx, uint16_t TIM_IT);
void TIM_IndicateCaptureLevelCmd(TIM_TypeDef *TIMx, FunctionalState NewState);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V00x_TIM_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_usart.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the
* USART firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_USART_H
#define __CH32V00x_USART_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* USART Init Structure definition */
typedef struct
{
uint32_t USART_BaudRate; /* This member configures the USART communication baud rate.
The baud rate is computed using the following formula:
- IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
- FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
uint16_t USART_WordLength; /* Specifies the number of data bits transmitted or received in a frame.
This parameter can be a value of @ref USART_Word_Length */
uint16_t USART_StopBits; /* Specifies the number of stop bits transmitted.
This parameter can be a value of @ref USART_Stop_Bits */
uint16_t USART_Parity; /* Specifies the parity mode.
This parameter can be a value of @ref USART_Parity
@note When parity is enabled, the computed parity is inserted
at the MSB position of the transmitted data (9th bit when
the word length is set to 9 data bits; 8th bit when the
word length is set to 8 data bits). */
uint16_t USART_Mode; /* Specifies wether the Receive or Transmit mode is enabled or disabled.
This parameter can be a value of @ref USART_Mode */
uint16_t USART_HardwareFlowControl; /* Specifies wether the hardware flow control mode is enabled
or disabled.
This parameter can be a value of @ref USART_Hardware_Flow_Control */
} USART_InitTypeDef;
/* USART Clock Init Structure definition */
typedef struct
{
uint16_t USART_Clock; /* Specifies whether the USART clock is enabled or disabled.
This parameter can be a value of @ref USART_Clock */
uint16_t USART_CPOL; /* Specifies the steady state value of the serial clock.
This parameter can be a value of @ref USART_Clock_Polarity */
uint16_t USART_CPHA; /* Specifies the clock transition on which the bit capture is made.
This parameter can be a value of @ref USART_Clock_Phase */
uint16_t USART_LastBit; /* Specifies whether the clock pulse corresponding to the last transmitted
data bit (MSB) has to be output on the SCLK pin in synchronous mode.
This parameter can be a value of @ref USART_Last_Bit */
} USART_ClockInitTypeDef;
/* USART_Word_Length */
#define USART_WordLength_8b ((uint16_t)0x0000)
#define USART_WordLength_9b ((uint16_t)0x1000)
/* USART_Stop_Bits */
#define USART_StopBits_1 ((uint16_t)0x0000)
#define USART_StopBits_0_5 ((uint16_t)0x1000)
#define USART_StopBits_2 ((uint16_t)0x2000)
#define USART_StopBits_1_5 ((uint16_t)0x3000)
/* USART_Parity */
#define USART_Parity_No ((uint16_t)0x0000)
#define USART_Parity_Even ((uint16_t)0x0400)
#define USART_Parity_Odd ((uint16_t)0x0600)
/* USART_Mode */
#define USART_Mode_Rx ((uint16_t)0x0004)
#define USART_Mode_Tx ((uint16_t)0x0008)
/* USART_Hardware_Flow_Control */
#define USART_HardwareFlowControl_None ((uint16_t)0x0000)
#define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
#define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
#define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
/* USART_Clock */
#define USART_Clock_Disable ((uint16_t)0x0000)
#define USART_Clock_Enable ((uint16_t)0x0800)
/* USART_Clock_Polarity */
#define USART_CPOL_Low ((uint16_t)0x0000)
#define USART_CPOL_High ((uint16_t)0x0400)
/* USART_Clock_Phase */
#define USART_CPHA_1Edge ((uint16_t)0x0000)
#define USART_CPHA_2Edge ((uint16_t)0x0200)
/* USART_Last_Bit */
#define USART_LastBit_Disable ((uint16_t)0x0000)
#define USART_LastBit_Enable ((uint16_t)0x0100)
/* USART_Interrupt_definition */
#define USART_IT_PE ((uint16_t)0x0028)
#define USART_IT_TXE ((uint16_t)0x0727)
#define USART_IT_TC ((uint16_t)0x0626)
#define USART_IT_RXNE ((uint16_t)0x0525)
#define USART_IT_ORE_RX ((uint16_t)0x0325)
#define USART_IT_IDLE ((uint16_t)0x0424)
#define USART_IT_LBD ((uint16_t)0x0846)
#define USART_IT_CTS ((uint16_t)0x096A)
#define USART_IT_ERR ((uint16_t)0x0060)
#define USART_IT_ORE_ER ((uint16_t)0x0360)
#define USART_IT_NE ((uint16_t)0x0260)
#define USART_IT_FE ((uint16_t)0x0160)
#define USART_IT_ORE USART_IT_ORE_ER
/* USART_DMA_Requests */
#define USART_DMAReq_Tx ((uint16_t)0x0080)
#define USART_DMAReq_Rx ((uint16_t)0x0040)
/* USART_WakeUp_methods */
#define USART_WakeUp_IdleLine ((uint16_t)0x0000)
#define USART_WakeUp_AddressMark ((uint16_t)0x0800)
/* USART_LIN_Break_Detection_Length */
#define USART_LINBreakDetectLength_10b ((uint16_t)0x0000)
#define USART_LINBreakDetectLength_11b ((uint16_t)0x0020)
/* USART_IrDA_Low_Power */
#define USART_IrDAMode_LowPower ((uint16_t)0x0004)
#define USART_IrDAMode_Normal ((uint16_t)0x0000)
/* USART_Flags */
#define USART_FLAG_CTS ((uint16_t)0x0200)
#define USART_FLAG_LBD ((uint16_t)0x0100)
#define USART_FLAG_TXE ((uint16_t)0x0080)
#define USART_FLAG_TC ((uint16_t)0x0040)
#define USART_FLAG_RXNE ((uint16_t)0x0020)
#define USART_FLAG_IDLE ((uint16_t)0x0010)
#define USART_FLAG_ORE ((uint16_t)0x0008)
#define USART_FLAG_NE ((uint16_t)0x0004)
#define USART_FLAG_FE ((uint16_t)0x0002)
#define USART_FLAG_PE ((uint16_t)0x0001)
void USART_DeInit(USART_TypeDef *USARTx);
void USART_Init(USART_TypeDef *USARTx, USART_InitTypeDef *USART_InitStruct);
void USART_StructInit(USART_InitTypeDef *USART_InitStruct);
void USART_ClockInit(USART_TypeDef *USARTx, USART_ClockInitTypeDef *USART_ClockInitStruct);
void USART_ClockStructInit(USART_ClockInitTypeDef *USART_ClockInitStruct);
void USART_Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_ITConfig(USART_TypeDef *USARTx, uint16_t USART_IT, FunctionalState NewState);
void USART_DMACmd(USART_TypeDef *USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
void USART_SetAddress(USART_TypeDef *USARTx, uint8_t USART_Address);
void USART_WakeUpConfig(USART_TypeDef *USARTx, uint16_t USART_WakeUp);
void USART_ReceiverWakeUpCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_LINBreakDetectLengthConfig(USART_TypeDef *USARTx, uint16_t USART_LINBreakDetectLength);
void USART_LINCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_SendData(USART_TypeDef *USARTx, uint16_t Data);
uint16_t USART_ReceiveData(USART_TypeDef *USARTx);
void USART_SendBreak(USART_TypeDef *USARTx);
void USART_SetGuardTime(USART_TypeDef *USARTx, uint8_t USART_GuardTime);
void USART_SetPrescaler(USART_TypeDef *USARTx, uint8_t USART_Prescaler);
void USART_SmartCardCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_SmartCardNACKCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_HalfDuplexCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_OverSampling8Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_OneBitMethodCmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_IrDAConfig(USART_TypeDef *USARTx, uint16_t USART_IrDAMode);
void USART_IrDACmd(USART_TypeDef *USARTx, FunctionalState NewState);
FlagStatus USART_GetFlagStatus(USART_TypeDef *USARTx, uint16_t USART_FLAG);
void USART_ClearFlag(USART_TypeDef *USARTx, uint16_t USART_FLAG);
ITStatus USART_GetITStatus(USART_TypeDef *USARTx, uint16_t USART_IT);
void USART_ClearITPendingBit(USART_TypeDef *USARTx, uint16_t USART_IT);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_USART_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_wwdg.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file contains all the functions prototypes for the WWDG
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V00x_WWDG_H
#define __CH32V00x_WWDG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <ch32v00x.h>
/* WWDG_Prescaler */
#define WWDG_Prescaler_1 ((uint32_t)0x00000000)
#define WWDG_Prescaler_2 ((uint32_t)0x00000080)
#define WWDG_Prescaler_4 ((uint32_t)0x00000100)
#define WWDG_Prescaler_8 ((uint32_t)0x00000180)
void WWDG_DeInit(void);
void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
void WWDG_SetWindowValue(uint8_t WindowValue);
void WWDG_EnableIT(void);
void WWDG_SetCounter(uint8_t Counter);
void WWDG_Enable(uint8_t Counter);
FlagStatus WWDG_GetFlagStatus(void);
void WWDG_ClearFlag(void);
#ifdef __cplusplus
}
#endif
#endif /* __CH32V00x_WWDG_H */

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dbgmcu.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the DBGMCU firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_dbgmcu.h>
#define IDCODE_DEVID_MASK ((uint32_t)0x0000FFFF)
/*********************************************************************
* @fn DBGMCU_GetREVID
*
* @brief Returns the device revision identifier.
*
* @return Revision identifier.
*/
uint32_t DBGMCU_GetREVID(void)
{
return ((*(uint32_t *)0x1FFFF7C4) >> 16);
}
/*********************************************************************
* @fn DBGMCU_GetDEVID
*
* @brief Returns the device identifier.
*
* @return Device identifier.
*/
uint32_t DBGMCU_GetDEVID(void)
{
return ((*(uint32_t *)0x1FFFF7C4) & IDCODE_DEVID_MASK);
}
/*********************************************************************
* @fn __get_DEBUG_CR
*
* @brief Return the DEBUGE Control Register
*
* @return DEBUGE Control value
*/
uint32_t __get_DEBUG_CR(void)
{
uint32_t result;
__asm volatile("csrr %0,""0x7C0" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_DEBUG_CR
*
* @brief Set the DEBUGE Control Register
*
* @param value - set DEBUGE Control value
*
* @return none
*/
void __set_DEBUG_CR(uint32_t value)
{
__asm volatile("csrw 0x7C0, %0" : : "r"(value));
}
/*********************************************************************
* @fn DBGMCU_Config
*
* @brief Configures the specified peripheral and low power mode behavior
* when the MCU under Debug mode.
*
* @param DBGMCU_Periph - specifies the peripheral and low power mode.
* DBGMCU_IWDG_STOP - Debug IWDG stopped when Core is halted
* DBGMCU_WWDG_STOP - Debug WWDG stopped when Core is halted
* DBGMCU_TIM1_STOP - TIM1 counter stopped when Core is halted
* DBGMCU_TIM2_STOP - TIM2 counter stopped when Core is halted
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
uint32_t val;
if(NewState != DISABLE)
{
__set_DEBUG_CR(DBGMCU_Periph);
}
else
{
val = __get_DEBUG_CR();
val &= ~(uint32_t)DBGMCU_Periph;
__set_DEBUG_CR(val);
}
}
/*********************************************************************
* @fn DBGMCU_GetCHIPID
*
* @brief Returns the CHIP identifier.
*
* @return Device identifier.
* ChipID List-
* CH32V003F4P6-0x003005x0
* CH32V003F4U6-0x003105x0
* CH32V003A4M6-0x003205x0
* CH32V003J4M6-0x003305x0
*/
uint32_t DBGMCU_GetCHIPID( void )
{
return( *( uint32_t * )0x1FFFF7C4 );
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_dma.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the DMA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_dma.h>
#include <ch32v00x_rcc.h>
/* DMA1 Channelx interrupt pending bit masks */
#define DMA1_Channel1_IT_Mask ((uint32_t)(DMA_GIF1 | DMA_TCIF1 | DMA_HTIF1 | DMA_TEIF1))
#define DMA1_Channel2_IT_Mask ((uint32_t)(DMA_GIF2 | DMA_TCIF2 | DMA_HTIF2 | DMA_TEIF2))
#define DMA1_Channel3_IT_Mask ((uint32_t)(DMA_GIF3 | DMA_TCIF3 | DMA_HTIF3 | DMA_TEIF3))
#define DMA1_Channel4_IT_Mask ((uint32_t)(DMA_GIF4 | DMA_TCIF4 | DMA_HTIF4 | DMA_TEIF4))
#define DMA1_Channel5_IT_Mask ((uint32_t)(DMA_GIF5 | DMA_TCIF5 | DMA_HTIF5 | DMA_TEIF5))
#define DMA1_Channel6_IT_Mask ((uint32_t)(DMA_GIF6 | DMA_TCIF6 | DMA_HTIF6 | DMA_TEIF6))
#define DMA1_Channel7_IT_Mask ((uint32_t)(DMA_GIF7 | DMA_TCIF7 | DMA_HTIF7 | DMA_TEIF7))
/* DMA2 FLAG mask */
#define FLAG_Mask ((uint32_t)0x10000000)
/* DMA registers Masks */
#define CFGR_CLEAR_Mask ((uint32_t)0xFFFF800F)
/*********************************************************************
* @fn DMA_DeInit
*
* @brief Deinitializes the DMAy Channelx registers to their default
* reset values.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
*
* @return none
*/
void DMA_DeInit(DMA_Channel_TypeDef *DMAy_Channelx)
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
DMAy_Channelx->CFGR = 0;
DMAy_Channelx->CNTR = 0;
DMAy_Channelx->PADDR = 0;
DMAy_Channelx->MADDR = 0;
if(DMAy_Channelx == DMA1_Channel1)
{
DMA1->INTFCR |= DMA1_Channel1_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel2)
{
DMA1->INTFCR |= DMA1_Channel2_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel3)
{
DMA1->INTFCR |= DMA1_Channel3_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel4)
{
DMA1->INTFCR |= DMA1_Channel4_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel5)
{
DMA1->INTFCR |= DMA1_Channel5_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel6)
{
DMA1->INTFCR |= DMA1_Channel6_IT_Mask;
}
else if(DMAy_Channelx == DMA1_Channel7)
{
DMA1->INTFCR |= DMA1_Channel7_IT_Mask;
}
}
/*********************************************************************
* @fn DMA_Init
*
* @brief Initializes the DMAy Channelx according to the specified
* parameters in the DMA_InitStruct.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_Init(DMA_Channel_TypeDef *DMAy_Channelx, DMA_InitTypeDef *DMA_InitStruct)
{
uint32_t tmpreg = 0;
tmpreg = DMAy_Channelx->CFGR;
tmpreg &= CFGR_CLEAR_Mask;
tmpreg |= DMA_InitStruct->DMA_DIR | DMA_InitStruct->DMA_Mode |
DMA_InitStruct->DMA_PeripheralInc | DMA_InitStruct->DMA_MemoryInc |
DMA_InitStruct->DMA_PeripheralDataSize | DMA_InitStruct->DMA_MemoryDataSize |
DMA_InitStruct->DMA_Priority | DMA_InitStruct->DMA_M2M;
DMAy_Channelx->CFGR = tmpreg;
DMAy_Channelx->CNTR = DMA_InitStruct->DMA_BufferSize;
DMAy_Channelx->PADDR = DMA_InitStruct->DMA_PeripheralBaseAddr;
DMAy_Channelx->MADDR = DMA_InitStruct->DMA_MemoryBaseAddr;
}
/*********************************************************************
* @fn DMA_StructInit
*
* @brief Fills each DMA_InitStruct member with its default value.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_InitStruct - pointer to a DMA_InitTypeDef structure that contains
* contains the configuration information for the specified DMA Channel.
*
* @return none
*/
void DMA_StructInit(DMA_InitTypeDef *DMA_InitStruct)
{
DMA_InitStruct->DMA_PeripheralBaseAddr = 0;
DMA_InitStruct->DMA_MemoryBaseAddr = 0;
DMA_InitStruct->DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStruct->DMA_BufferSize = 0;
DMA_InitStruct->DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct->DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStruct->DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
DMA_InitStruct->DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
DMA_InitStruct->DMA_Mode = DMA_Mode_Normal;
DMA_InitStruct->DMA_Priority = DMA_Priority_Low;
DMA_InitStruct->DMA_M2M = DMA_M2M_Disable;
}
/*********************************************************************
* @fn DMA_Cmd
*
* @brief Enables or disables the specified DMAy Channelx.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_Cmd(DMA_Channel_TypeDef *DMAy_Channelx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_CFGR1_EN;
}
else
{
DMAy_Channelx->CFGR &= (uint16_t)(~DMA_CFGR1_EN);
}
}
/*********************************************************************
* @fn DMA_ITConfig
*
* @brief Enables or disables the specified DMAy Channelx interrupts.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DMA_IT - specifies the DMA interrupts sources to be enabled
* or disabled.
* DMA_IT_TC - Transfer complete interrupt mask
* DMA_IT_HT - Half transfer interrupt mask
* DMA_IT_TE - Transfer error interrupt mask
* NewState - new state of the DMAy Channelx(ENABLE or DISABLE).
*
* @return none
*/
void DMA_ITConfig(DMA_Channel_TypeDef *DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
DMAy_Channelx->CFGR |= DMA_IT;
}
else
{
DMAy_Channelx->CFGR &= ~DMA_IT;
}
}
/*********************************************************************
* @fn DMA_SetCurrDataCounter
*
* @brief Sets the number of data units in the current DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
* DataNumber - The number of data units in the current DMAy Channelx
* transfer.
*
* @return none
*/
void DMA_SetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx, uint16_t DataNumber)
{
DMAy_Channelx->CNTR = DataNumber;
}
/*********************************************************************
* @fn DMA_GetCurrDataCounter
*
* @brief Returns the number of remaining data units in the current
* DMAy Channelx transfer.
*
* @param DMAy_Channelx - here y can be 1 to select the DMA and x can be
* 1 to 7 for DMA1 to select the DMA Channel.
*
* @return DataNumber - The number of remaining data units in the current
* DMAy Channelx transfer.
*/
uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef *DMAy_Channelx)
{
return ((uint16_t)(DMAy_Channelx->CNTR));
}
/*********************************************************************
* @fn DMA_GetFlagStatus
*
* @brief Checks whether the specified DMAy Channelx flag is set or not.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
*
* @return The new state of DMAy_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpreg = 0;
tmpreg = DMA1->INTFR;
if((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearFlag
*
* @brief Clears the DMAy Channelx's pending flags.
*
* @param DMAy_FLAG - specifies the flag to check.
* DMA1_FLAG_GL1 - DMA1 Channel1 global flag.
* DMA1_FLAG_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_FLAG_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_FLAG_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_FLAG_GL2 - DMA1 Channel2 global flag.
* DMA1_FLAG_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_FLAG_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_FLAG_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_FLAG_GL3 - DMA1 Channel3 global flag.
* DMA1_FLAG_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_FLAG_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_FLAG_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_FLAG_GL4 - DMA1 Channel4 global flag.
* DMA1_FLAG_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_FLAG_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_FLAG_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_FLAG_GL5 - DMA1 Channel5 global flag.
* DMA1_FLAG_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_FLAG_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_FLAG_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_FLAG_GL6 - DMA1 Channel6 global flag.
* DMA1_FLAG_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_FLAG_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_FLAG_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_FLAG_GL7 - DMA1 Channel7 global flag.
* DMA1_FLAG_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_FLAG_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_FLAG_TE7 - DMA1 Channel7 transfer error flag.
*
* @return none
*/
void DMA_ClearFlag(uint32_t DMAy_FLAG)
{
DMA1->INTFCR = DMAy_FLAG;
}
/*********************************************************************
* @fn DMA_GetITStatus
*
* @brief Checks whether the specified DMAy Channelx interrupt has
* occurred or not.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
*
* @return The new state of DMAy_IT (SET or RESET).
*/
ITStatus DMA_GetITStatus(uint32_t DMAy_IT)
{
ITStatus bitstatus = RESET;
uint32_t tmpreg = 0;
tmpreg = DMA1->INTFR;
if((tmpreg & DMAy_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn DMA_ClearITPendingBit
*
* @brief Clears the DMAy Channelx's interrupt pending bits.
*
* @param DMAy_IT - specifies the DMAy interrupt source to check.
* DMA1_IT_GL1 - DMA1 Channel1 global flag.
* DMA1_IT_TC1 - DMA1 Channel1 transfer complete flag.
* DMA1_IT_HT1 - DMA1 Channel1 half transfer flag.
* DMA1_IT_TE1 - DMA1 Channel1 transfer error flag.
* DMA1_IT_GL2 - DMA1 Channel2 global flag.
* DMA1_IT_TC2 - DMA1 Channel2 transfer complete flag.
* DMA1_IT_HT2 - DMA1 Channel2 half transfer flag.
* DMA1_IT_TE2 - DMA1 Channel2 transfer error flag.
* DMA1_IT_GL3 - DMA1 Channel3 global flag.
* DMA1_IT_TC3 - DMA1 Channel3 transfer complete flag.
* DMA1_IT_HT3 - DMA1 Channel3 half transfer flag.
* DMA1_IT_TE3 - DMA1 Channel3 transfer error flag.
* DMA1_IT_GL4 - DMA1 Channel4 global flag.
* DMA1_IT_TC4 - DMA1 Channel4 transfer complete flag.
* DMA1_IT_HT4 - DMA1 Channel4 half transfer flag.
* DMA1_IT_TE4 - DMA1 Channel4 transfer error flag.
* DMA1_IT_GL5 - DMA1 Channel5 global flag.
* DMA1_IT_TC5 - DMA1 Channel5 transfer complete flag.
* DMA1_IT_HT5 - DMA1 Channel5 half transfer flag.
* DMA1_IT_TE5 - DMA1 Channel5 transfer error flag.
* DMA1_IT_GL6 - DMA1 Channel6 global flag.
* DMA1_IT_TC6 - DMA1 Channel6 transfer complete flag.
* DMA1_IT_HT6 - DMA1 Channel6 half transfer flag.
* DMA1_IT_TE6 - DMA1 Channel6 transfer error flag.
* DMA1_IT_GL7 - DMA1 Channel7 global flag.
* DMA1_IT_TC7 - DMA1 Channel7 transfer complete flag.
* DMA1_IT_HT7 - DMA1 Channel7 half transfer flag.
* DMA1_IT_TE7 - DMA1 Channel7 transfer error flag.
*
* @return none
*/
void DMA_ClearITPendingBit(uint32_t DMAy_IT)
{
DMA1->INTFCR = DMAy_IT;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_exti.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the EXTI firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_exti.h>
/* No interrupt selected */
#define EXTI_LINENONE ((uint32_t)0x00000)
/*********************************************************************
* @fn EXTI_DeInit
*
* @brief Deinitializes the EXTI peripheral registers to their default
* reset values.
*
* @return none.
*/
void EXTI_DeInit(void)
{
EXTI->INTENR = 0x00000000;
EXTI->EVENR = 0x00000000;
EXTI->RTENR = 0x00000000;
EXTI->FTENR = 0x00000000;
EXTI->INTFR = 0x000FFFFF;
}
/*********************************************************************
* @fn EXTI_Init
*
* @brief Initializes the EXTI peripheral according to the specified
* parameters in the EXTI_InitStruct.
*
* @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_Init(EXTI_InitTypeDef *EXTI_InitStruct)
{
uint32_t tmp = 0;
tmp = (uint32_t)EXTI_BASE;
if(EXTI_InitStruct->EXTI_LineCmd != DISABLE)
{
EXTI->INTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->EVENR &= ~EXTI_InitStruct->EXTI_Line;
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
EXTI->RTENR &= ~EXTI_InitStruct->EXTI_Line;
EXTI->FTENR &= ~EXTI_InitStruct->EXTI_Line;
if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising_Falling)
{
EXTI->RTENR |= EXTI_InitStruct->EXTI_Line;
EXTI->FTENR |= EXTI_InitStruct->EXTI_Line;
}
else
{
tmp = (uint32_t)EXTI_BASE;
tmp += EXTI_InitStruct->EXTI_Trigger;
*(__IO uint32_t *)tmp |= EXTI_InitStruct->EXTI_Line;
}
}
else
{
tmp += EXTI_InitStruct->EXTI_Mode;
*(__IO uint32_t *)tmp &= ~EXTI_InitStruct->EXTI_Line;
}
}
/*********************************************************************
* @fn EXTI_StructInit
*
* @brief Fills each EXTI_InitStruct member with its reset value.
*
* @param EXTI_InitStruct - pointer to a EXTI_InitTypeDef structure
*
* @return none.
*/
void EXTI_StructInit(EXTI_InitTypeDef *EXTI_InitStruct)
{
EXTI_InitStruct->EXTI_Line = EXTI_LINENONE;
EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStruct->EXTI_LineCmd = DISABLE;
}
/*********************************************************************
* @fn EXTI_GenerateSWInterrupt
*
* @brief Generates a Software interrupt.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none.
*/
void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line)
{
EXTI->SWIEVR |= EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetFlagStatus
*
* @brief Checks whether the specified EXTI line flag is set or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line)
{
FlagStatus bitstatus = RESET;
if((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearFlag
*
* @brief Clears the EXTI's line pending flags.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return None
*/
void EXTI_ClearFlag(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}
/*********************************************************************
* @fn EXTI_GetITStatus
*
* @brief Checks whether the specified EXTI line is asserted or not.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return The new state of EXTI_Line (SET or RESET).
*/
ITStatus EXTI_GetITStatus(uint32_t EXTI_Line)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
enablestatus = EXTI->INTENR & EXTI_Line;
if(((EXTI->INTFR & EXTI_Line) != (uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn EXTI_ClearITPendingBit
*
* @brief Clears the EXTI's line pending bits.
*
* @param EXTI_Line - specifies the EXTI lines to be enabled or disabled.
*
* @return none
*/
void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
{
EXTI->INTFR = EXTI_Line;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_gpio.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the GPIO firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_gpio.h>
#include <ch32v00x_rcc.h>
/* MASK */
#define LSB_MASK ((uint16_t)0xFFFF)
#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000)
#define DBGAFR_SDI_MASK ((uint32_t)0xF8FFFFFF)
#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000)
#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000)
/*********************************************************************
* @fn GPIO_DeInit
*
* @brief Deinitializes the GPIOx peripheral registers to their default
* reset values.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return none
*/
void GPIO_DeInit(GPIO_TypeDef *GPIOx)
{
if(GPIOx == GPIOA)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE);
}
else if(GPIOx == GPIOC)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE);
}
else if(GPIOx == GPIOD)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE);
}
}
/*********************************************************************
* @fn GPIO_AFIODeInit
*
* @brief Deinitializes the Alternate Functions (remap, event control
* and EXTI configuration) registers to their default reset values.
*
* @return none
*/
void GPIO_AFIODeInit(void)
{
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE);
}
/*********************************************************************
* @fn GPIO_Init
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure that
* contains the configuration information for the specified GPIO peripheral.
*
* @return none
*/
void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
uint32_t tmpreg = 0x00, pinmask = 0x00;
currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
if((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
{
currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
}
if(((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
{
tmpreg = GPIOx->CFGLR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = ((uint32_t)0x01) << pinpos;
currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << pinpos);
}
else
{
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << pinpos);
}
}
}
}
GPIOx->CFGLR = tmpreg;
}
if(GPIO_InitStruct->GPIO_Pin > 0x00FF)
{
tmpreg = GPIOx->CFGHR;
for(pinpos = 0x00; pinpos < 0x08; pinpos++)
{
pos = (((uint32_t)0x01) << (pinpos + 0x08));
currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
if(currentpin == pos)
{
pos = pinpos << 2;
pinmask = ((uint32_t)0x0F) << pos;
tmpreg &= ~pinmask;
tmpreg |= (currentmode << pos);
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
{
GPIOx->BCR = (((uint32_t)0x01) << (pinpos + 0x08));
}
if(GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
{
GPIOx->BSHR = (((uint32_t)0x01) << (pinpos + 0x08));
}
}
}
GPIOx->CFGHR = tmpreg;
}
}
/*********************************************************************
* @fn GPIO_StructInit
*
* @brief Fills each GPIO_InitStruct member with its default
*
* @param GPIO_InitStruct - pointer to a GPIO_InitTypeDef structure
* which will be initialized.
*
* @return none
*/
void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct)
{
GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING;
}
/*********************************************************************
* @fn GPIO_ReadInputDataBit
*
* @brief GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @param GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return The input port pin value.
*/
uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->INDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadInputData
*
* @brief Reads the specified GPIO input data port.
*
* @param GPIOx: where x can be (A..G) to select the GPIO peripheral.
*
* @return The input port pin value.
*/
uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->INDR);
}
/*********************************************************************
* @fn GPIO_ReadOutputDataBit
*
* @brief Reads the specified output data port bit.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to read.
* This parameter can be GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint8_t bitstatus = 0x00;
if((GPIOx->OUTDR & GPIO_Pin) != (uint32_t)Bit_RESET)
{
bitstatus = (uint8_t)Bit_SET;
}
else
{
bitstatus = (uint8_t)Bit_RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn GPIO_ReadOutputData
*
* @brief Reads the specified GPIO output data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
*
* @return GPIO output port pin value.
*/
uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx)
{
return ((uint16_t)GPIOx->OUTDR);
}
/*********************************************************************
* @fn GPIO_SetBits
*
* @brief Sets the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BSHR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_ResetBits
*
* @brief Clears the selected data port bits.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bits to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
GPIOx->BCR = GPIO_Pin;
}
/*********************************************************************
* @fn GPIO_WriteBit
*
* @brief Sets or clears the selected data port bit.
*
* @param GPIO_Pin - specifies the port bit to be written.
* This parameter can be one of GPIO_Pin_x where x can be (0..15).
* BitVal - specifies the value to be written to the selected bit.
* Bit_RESET - to clear the port pin.
* Bit_SET - to set the port pin.
*
* @return none
*/
void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
{
if(BitVal != Bit_RESET)
{
GPIOx->BSHR = GPIO_Pin;
}
else
{
GPIOx->BCR = GPIO_Pin;
}
}
/*********************************************************************
* @fn GPIO_Write
*
* @brief Writes data to the specified GPIO data port.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* PortVal - specifies the value to be written to the port output data register.
*
* @return none
*/
void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal)
{
GPIOx->OUTDR = PortVal;
}
/*********************************************************************
* @fn GPIO_PinLockConfig
*
* @brief Locks GPIO Pins configuration registers.
*
* @param GPIOx - where x can be (A..G) to select the GPIO peripheral.
* GPIO_Pin - specifies the port bit to be written.
* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
*
* @return none
*/
void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
{
uint32_t tmp = 0x00010000;
tmp |= GPIO_Pin;
GPIOx->LCKR = tmp;
GPIOx->LCKR = GPIO_Pin;
GPIOx->LCKR = tmp;
tmp = GPIOx->LCKR;
tmp = GPIOx->LCKR;
}
/*********************************************************************
* @fn GPIO_PinRemapConfig
*
* @brief Changes the mapping of the specified pin.
*
* @param GPIO_Remap - selects the pin to remap.
* GPIO_Remap_SPI1 - SPI1 Alternate Function mapping
* GPIO_PartialRemap_I2C1 - I2C1 Partial Alternate Function mapping
* GPIO_FullRemap_I2C1 - I2C1 Full Alternate Function mapping
* GPIO_PartialRemap1_USART1 - USART1 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_USART1 - USART1 Partial2 Alternate Function mapping
* GPIO_FullRemap_USART1 - USART1 Full Alternate Function mapping
* GPIO_PartialRemap1_TIM1 - TIM1 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_TIM1 - TIM1 Partial2 Alternate Function mapping
* GPIO_FullRemap_TIM1 - TIM1 Full Alternate Function mapping
* GPIO_PartialRemap1_TIM2 - TIM2 Partial1 Alternate Function mapping
* GPIO_PartialRemap2_TIM2 - TIM2 Partial2 Alternate Function mapping
* GPIO_FullRemap_TIM2 - TIM2 Full Alternate Function mapping
* GPIO_Remap_PA1_2 - PA1_2 Alternate Function mapping
* GPIO_Remap_ADC1_ETRGINJ - ADC1 External Trigger Injected Conversion remapping
* GPIO_Remap_ADC1_ETRGREG - ADC1 External Trigger Regular Conversion remapping
* GPIO_Remap_LSI_CAL - LSI calibration Alternate Function mapping
* GPIO_Remap_SDI_Disable - SDI Disabled
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState)
{
uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00;
tmpreg = AFIO->PCFR1;
tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10;
tmp = GPIO_Remap & LSB_MASK;
if((GPIO_Remap & 0x10000000) == 0x10000000)
{
tmpreg &= ~((1<<1) | (1<<22));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (GPIO_Remap & 0xEFFFFFFF);
}
}
else if((GPIO_Remap & 0x80000000) == 0x80000000)
{
tmpreg &= ~((1<<2) | (1<<21));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (GPIO_Remap & 0x7FFFFFFF);
}
}
else if((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))/* SDI */
{
tmpreg &= DBGAFR_SDI_MASK;
AFIO->PCFR1 &= DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
else if((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)/* [15:0] 2bit */
{
tmp1 = ((uint32_t)0x03) << tmpmask;
tmpreg &= ~tmp1;
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
else/* [31:0] 1bit */
{
tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15) * 0x10));
tmpreg |= ~DBGAFR_SDI_MASK;
if(NewState != DISABLE)
{
tmpreg |= (tmp << ((GPIO_Remap >> 0x15) * 0x10));
}
}
AFIO->PCFR1 = tmpreg;
}
/*********************************************************************
* @fn GPIO_EXTILineConfig
*
* @brief Selects the GPIO pin used as EXTI Line.
*
* @param GPIO_PortSource - selects the GPIO port to be used as source for EXTI lines.
* This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
* GPIO_PinSource - specifies the EXTI line to be configured.
* This parameter can be GPIO_PinSourcex where x can be (0..7).
*
* @return none
*/
void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource)
{
uint32_t tmp = 0x00;
tmp = ((uint32_t)(3<<(GPIO_PinSource<<1)));
AFIO->EXTICR &= ~tmp;
AFIO->EXTICR |= ((uint32_t)(GPIO_PortSource<<(GPIO_PinSource<<1)));
}
/*********************************************************************
* @fn GPIO_IPD_Unused
*
* @brief Configure unused GPIO as input pull-up.
*
* @param none
*
* @return none
*/
void GPIO_IPD_Unused(void)
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
uint32_t chip = 0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOC, ENABLE);
chip = *( uint32_t * )0x1FFFF7C4 & (~0x000000F0);
switch(chip)
{
case 0x00320500: //CH32V003A4M6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_2\
|GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
break;
}
case 0x00330500: //CH32V003J4M6
{
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_2|GPIO_Pin_3\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_3\
|GPIO_Pin_5|GPIO_Pin_6\
|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
break;
}
default:
{
break;
}
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_i2c.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the I2C firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_i2c.h>
#include <ch32v00x_rcc.h>
/* I2C SPE mask */
#define CTLR1_PE_Set ((uint16_t)0x0001)
#define CTLR1_PE_Reset ((uint16_t)0xFFFE)
/* I2C START mask */
#define CTLR1_START_Set ((uint16_t)0x0100)
#define CTLR1_START_Reset ((uint16_t)0xFEFF)
/* I2C STOP mask */
#define CTLR1_STOP_Set ((uint16_t)0x0200)
#define CTLR1_STOP_Reset ((uint16_t)0xFDFF)
/* I2C ACK mask */
#define CTLR1_ACK_Set ((uint16_t)0x0400)
#define CTLR1_ACK_Reset ((uint16_t)0xFBFF)
/* I2C ENGC mask */
#define CTLR1_ENGC_Set ((uint16_t)0x0040)
#define CTLR1_ENGC_Reset ((uint16_t)0xFFBF)
/* I2C SWRST mask */
#define CTLR1_SWRST_Set ((uint16_t)0x8000)
#define CTLR1_SWRST_Reset ((uint16_t)0x7FFF)
/* I2C PEC mask */
#define CTLR1_PEC_Set ((uint16_t)0x1000)
#define CTLR1_PEC_Reset ((uint16_t)0xEFFF)
/* I2C ENPEC mask */
#define CTLR1_ENPEC_Set ((uint16_t)0x0020)
#define CTLR1_ENPEC_Reset ((uint16_t)0xFFDF)
/* I2C ENARP mask */
#define CTLR1_ENARP_Set ((uint16_t)0x0010)
#define CTLR1_ENARP_Reset ((uint16_t)0xFFEF)
/* I2C NOSTRETCH mask */
#define CTLR1_NOSTRETCH_Set ((uint16_t)0x0080)
#define CTLR1_NOSTRETCH_Reset ((uint16_t)0xFF7F)
/* I2C registers Masks */
#define CTLR1_CLEAR_Mask ((uint16_t)0xFBF5)
/* I2C DMAEN mask */
#define CTLR2_DMAEN_Set ((uint16_t)0x0800)
#define CTLR2_DMAEN_Reset ((uint16_t)0xF7FF)
/* I2C LAST mask */
#define CTLR2_LAST_Set ((uint16_t)0x1000)
#define CTLR2_LAST_Reset ((uint16_t)0xEFFF)
/* I2C FREQ mask */
#define CTLR2_FREQ_Reset ((uint16_t)0xFFC0)
/* I2C ADD0 mask */
#define OADDR1_ADD0_Set ((uint16_t)0x0001)
#define OADDR1_ADD0_Reset ((uint16_t)0xFFFE)
/* I2C ENDUAL mask */
#define OADDR2_ENDUAL_Set ((uint16_t)0x0001)
#define OADDR2_ENDUAL_Reset ((uint16_t)0xFFFE)
/* I2C ADD2 mask */
#define OADDR2_ADD2_Reset ((uint16_t)0xFF01)
/* I2C F/S mask */
#define CKCFGR_FS_Set ((uint16_t)0x8000)
/* I2C CCR mask */
#define CKCFGR_CCR_Set ((uint16_t)0x0FFF)
/* I2C FLAG mask */
#define FLAG_Mask ((uint32_t)0x00FFFFFF)
/* I2C Interrupt Enable mask */
#define ITEN_Mask ((uint32_t)0x07000000)
/*********************************************************************
* @fn I2C_DeInit
*
* @brief Deinitializes the I2Cx peripheral registers to their default
* reset values.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return none
*/
void I2C_DeInit(I2C_TypeDef *I2Cx)
{
if(I2Cx == I2C1)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
}
}
/*********************************************************************
* @fn I2C_Init
*
* @brief Initializes the I2Cx peripheral according to the specified
* parameters in the I2C_InitStruct.
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_InitStruct - pointer to a I2C_InitTypeDef structure that
* contains the configuration information for the specified I2C peripheral.
*
* @return none
*/
void I2C_Init(I2C_TypeDef *I2Cx, I2C_InitTypeDef *I2C_InitStruct)
{
uint16_t tmpreg = 0, freqrange = 0;
uint16_t result = 0x04;
uint32_t pclk1 = 8000000;
RCC_ClocksTypeDef rcc_clocks;
tmpreg = I2Cx->CTLR2;
tmpreg &= CTLR2_FREQ_Reset;
RCC_GetClocksFreq(&rcc_clocks);
pclk1 = rcc_clocks.PCLK1_Frequency;
freqrange = (uint16_t)(pclk1 / 1000000);
tmpreg |= freqrange;
I2Cx->CTLR2 = tmpreg;
I2Cx->CTLR1 &= CTLR1_PE_Reset;
tmpreg = 0;
if(I2C_InitStruct->I2C_ClockSpeed <= 100000)
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed << 1));
if(result < 0x04)
{
result = 0x04;
}
tmpreg |= result;
}
else
{
if(I2C_InitStruct->I2C_DutyCycle == I2C_DutyCycle_2)
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed * 3));
}
else
{
result = (uint16_t)(pclk1 / (I2C_InitStruct->I2C_ClockSpeed * 25));
result |= I2C_DutyCycle_16_9;
}
if((result & CKCFGR_CCR_Set) == 0)
{
result |= (uint16_t)0x0001;
}
tmpreg |= (uint16_t)(result | CKCFGR_FS_Set);
}
I2Cx->CKCFGR = tmpreg;
I2Cx->CTLR1 |= CTLR1_PE_Set;
tmpreg = I2Cx->CTLR1;
tmpreg &= CTLR1_CLEAR_Mask;
tmpreg |= (uint16_t)((uint32_t)I2C_InitStruct->I2C_Mode | I2C_InitStruct->I2C_Ack);
I2Cx->CTLR1 = tmpreg;
I2Cx->OADDR1 = (I2C_InitStruct->I2C_AcknowledgedAddress | I2C_InitStruct->I2C_OwnAddress1);
}
/*********************************************************************
* @fn I2C_StructInit
*
* @brief Fills each I2C_InitStruct member with its default value.
*
* @param I2C_InitStruct - pointer to an I2C_InitTypeDef structure which
* will be initialized.
*
* @return none
*/
void I2C_StructInit(I2C_InitTypeDef *I2C_InitStruct)
{
I2C_InitStruct->I2C_ClockSpeed = 5000;
I2C_InitStruct->I2C_Mode = I2C_Mode_I2C;
I2C_InitStruct->I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStruct->I2C_OwnAddress1 = 0;
I2C_InitStruct->I2C_Ack = I2C_Ack_Disable;
I2C_InitStruct->I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
}
/*********************************************************************
* @fn I2C_Cmd
*
* @brief Enables or disables the specified I2C peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_Cmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_PE_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_PE_Reset;
}
}
/*********************************************************************
* @fn I2C_DMACmd
*
* @brief Enables or disables the specified I2C DMA requests.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DMACmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= CTLR2_DMAEN_Set;
}
else
{
I2Cx->CTLR2 &= CTLR2_DMAEN_Reset;
}
}
/*********************************************************************
* @fn I2C_DMALastTransferCmd
*
* @brief Specifies if the next DMA transfer will be the last one.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DMALastTransferCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= CTLR2_LAST_Set;
}
else
{
I2Cx->CTLR2 &= CTLR2_LAST_Reset;
}
}
/*********************************************************************
* @fn I2C_GenerateSTART
*
* @brief Generates I2Cx communication START condition.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GenerateSTART(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_START_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_START_Reset;
}
}
/*********************************************************************
* @fn I2C_GenerateSTOP
*
* @brief Generates I2Cx communication STOP condition.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GenerateSTOP(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_STOP_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_STOP_Reset;
}
}
/*********************************************************************
* @fn I2C_AcknowledgeConfig
*
* @brief Enables or disables the specified I2C acknowledge feature.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_AcknowledgeConfig(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ACK_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ACK_Reset;
}
}
/*********************************************************************
* @fn I2C_OwnAddress2Config
*
* @brief Configures the specified I2C own address2.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Address - specifies the 7bit I2C own address2.
*
* @return none
*/
void I2C_OwnAddress2Config(I2C_TypeDef *I2Cx, uint8_t Address)
{
uint16_t tmpreg = 0;
tmpreg = I2Cx->OADDR2;
tmpreg &= OADDR2_ADD2_Reset;
tmpreg |= (uint16_t)((uint16_t)Address & (uint16_t)0x00FE);
I2Cx->OADDR2 = tmpreg;
}
/*********************************************************************
* @fn I2C_DualAddressCmd
*
* @brief Enables or disables the specified I2C dual addressing mode.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_DualAddressCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->OADDR2 |= OADDR2_ENDUAL_Set;
}
else
{
I2Cx->OADDR2 &= OADDR2_ENDUAL_Reset;
}
}
/*********************************************************************
* @fn I2C_GeneralCallCmd
*
* @brief Enables or disables the specified I2C general call feature.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_GeneralCallCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENGC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENGC_Reset;
}
}
/*********************************************************************
* @fn I2C_ITConfig
*
* @brief Enables or disables the specified I2C interrupts.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_IT - specifies the I2C interrupts sources to be enabled or disabled.
* I2C_IT_BUF - Buffer interrupt mask.
* I2C_IT_EVT - Event interrupt mask.
* I2C_IT_ERR - Error interrupt mask.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_ITConfig(I2C_TypeDef *I2Cx, uint16_t I2C_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR2 |= I2C_IT;
}
else
{
I2Cx->CTLR2 &= (uint16_t)~I2C_IT;
}
}
/*********************************************************************
* @fn I2C_SendData
*
* @brief Sends a data byte through the I2Cx peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Data - Byte to be transmitted.
*
* @return none
*/
void I2C_SendData(I2C_TypeDef *I2Cx, uint8_t Data)
{
I2Cx->DATAR = Data;
}
/*********************************************************************
* @fn I2C_ReceiveData
*
* @brief Returns the most recent received data by the I2Cx peripheral.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return The value of the received data.
*/
uint8_t I2C_ReceiveData(I2C_TypeDef *I2Cx)
{
return (uint8_t)I2Cx->DATAR;
}
/*********************************************************************
* @fn I2C_Send7bitAddress
*
* @brief Transmits the address byte to select the slave device.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* Address - specifies the slave address which will be transmitted.
* I2C_Direction - specifies whether the I2C device will be a
* Transmitter or a Receiver.
* I2C_Direction_Transmitter - Transmitter mode.
* I2C_Direction_Receiver - Receiver mode.
*
* @return none
*/
void I2C_Send7bitAddress(I2C_TypeDef *I2Cx, uint8_t Address, uint8_t I2C_Direction)
{
if(I2C_Direction != I2C_Direction_Transmitter)
{
Address |= OADDR1_ADD0_Set;
}
else
{
Address &= OADDR1_ADD0_Reset;
}
I2Cx->DATAR = Address;
}
/*********************************************************************
* @fn I2C_ReadRegister
*
* @brief Reads the specified I2C register and returns its value.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_Register - specifies the register to read.
* I2C_Register_CTLR1.
* I2C_Register_CTLR2.
* I2C_Register_OADDR1.
* I2C_Register_OADDR2.
* I2C_Register_DATAR.
* I2C_Register_STAR1.
* I2C_Register_STAR2.
* I2C_Register_CKCFGR.
*
* @return none
*/
uint16_t I2C_ReadRegister(I2C_TypeDef *I2Cx, uint8_t I2C_Register)
{
__IO uint32_t tmp = 0;
tmp = (uint32_t)I2Cx;
tmp += I2C_Register;
return (*(__IO uint16_t *)tmp);
}
/*********************************************************************
* @fn I2C_SoftwareResetCmd
*
* @brief Enables or disables the specified I2C software reset.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_SoftwareResetCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_SWRST_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_SWRST_Reset;
}
}
/*********************************************************************
* @fn I2C_NACKPositionConfig
*
* @brief Selects the specified I2C NACK position in master receiver mode.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_NACKPosition - specifies the NACK position.
* I2C_NACKPosition_Next - indicates that the next byte will be
* the last received byte.
* I2C_NACKPosition_Current - indicates that current byte is the
* last received byte.
* Note-
* This function configures the same bit (POS) as I2C_PECPositionConfig()
* but is intended to be used in I2C mode while I2C_PECPositionConfig()
* is intended to used in SMBUS mode.
* @return none
*/
void I2C_NACKPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_NACKPosition)
{
if(I2C_NACKPosition == I2C_NACKPosition_Next)
{
I2Cx->CTLR1 |= I2C_NACKPosition_Next;
}
else
{
I2Cx->CTLR1 &= I2C_NACKPosition_Current;
}
}
/*********************************************************************
* @fn I2C_TransmitPEC
*
* @brief Enables or disables the specified I2C PEC transfer.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_TransmitPEC(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_PEC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_PEC_Reset;
}
}
/*********************************************************************
* @fn I2C_PECPositionConfig
*
* @brief Selects the specified I2C PEC position.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_PECPosition - specifies the PEC position.
* I2C_PECPosition_Next - indicates that the next byte is PEC.
* I2C_PECPosition_Current - indicates that current byte is PEC.
*
* @return none
*/
void I2C_PECPositionConfig(I2C_TypeDef *I2Cx, uint16_t I2C_PECPosition)
{
if(I2C_PECPosition == I2C_PECPosition_Next)
{
I2Cx->CTLR1 |= I2C_PECPosition_Next;
}
else
{
I2Cx->CTLR1 &= I2C_PECPosition_Current;
}
}
/*********************************************************************
* @fn I2C_CalculatePEC
*
* @brief Enables or disables the PEC value calculation of the transferred bytes.
*
* @param I2Cx- where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_CalculatePEC(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENPEC_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENPEC_Reset;
}
}
/*********************************************************************
* @fn I2C_GetPEC
*
* @brief Returns the PEC value for the specified I2C.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return The PEC value.
*/
uint8_t I2C_GetPEC(I2C_TypeDef *I2Cx)
{
return ((I2Cx->STAR2) >> 8);
}
/*********************************************************************
* @fn I2C_ARPCmd
*
* @brief Enables or disables the specified I2C ARP.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return The PEC value.
*/
void I2C_ARPCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState != DISABLE)
{
I2Cx->CTLR1 |= CTLR1_ENARP_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_ENARP_Reset;
}
}
/*********************************************************************
* @fn I2C_StretchClockCmd
*
* @brief Enables or disables the specified I2C Clock stretching.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void I2C_StretchClockCmd(I2C_TypeDef *I2Cx, FunctionalState NewState)
{
if(NewState == DISABLE)
{
I2Cx->CTLR1 |= CTLR1_NOSTRETCH_Set;
}
else
{
I2Cx->CTLR1 &= CTLR1_NOSTRETCH_Reset;
}
}
/*********************************************************************
* @fn I2C_FastModeDutyCycleConfig
*
* @brief Selects the specified I2C fast mode duty cycle.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_DutyCycle - specifies the fast mode duty cycle.
* I2C_DutyCycle_2 - I2C fast mode Tlow/Thigh = 2.
* I2C_DutyCycle_16_9 - I2C fast mode Tlow/Thigh = 16/9.
*
* @return none
*/
void I2C_FastModeDutyCycleConfig(I2C_TypeDef *I2Cx, uint16_t I2C_DutyCycle)
{
if(I2C_DutyCycle != I2C_DutyCycle_16_9)
{
I2Cx->CKCFGR &= I2C_DutyCycle_2;
}
else
{
I2Cx->CKCFGR |= I2C_DutyCycle_16_9;
}
}
/*********************************************************************
* @fn I2C_CheckEvent
*
* @brief Checks whether the last I2Cx Event is equal to the one passed
* as parameter.
*
* @param I2Cx- where x can be 1 to select the I2C peripheral.
* I2C_EVENT: specifies the event to be checked.
* I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED - EVT1.
* I2C_EVENT_SLAVE_BYTE_RECEIVED - EVT2.
* (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_DUALF) - EVT2.
* (I2C_EVENT_SLAVE_BYTE_RECEIVED | I2C_FLAG_GENCALL) - EVT2.
* I2C_EVENT_SLAVE_BYTE_TRANSMITTED - EVT3.
* (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_DUALF) - EVT3.
* (I2C_EVENT_SLAVE_BYTE_TRANSMITTED | I2C_FLAG_GENCALL) - EVT3.
* I2C_EVENT_SLAVE_ACK_FAILURE - EVT3_2.
* I2C_EVENT_SLAVE_STOP_DETECTED - EVT4.
* I2C_EVENT_MASTER_MODE_SELECT - EVT5.
* I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED - EVT6.
* I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED - EVT6.
* I2C_EVENT_MASTER_BYTE_RECEIVED - EVT7.
* I2C_EVENT_MASTER_BYTE_TRANSMITTING - EVT8.
* I2C_EVENT_MASTER_BYTE_TRANSMITTED - EVT8_2.
* I2C_EVENT_MASTER_MODE_ADDRESS10 - EVT9.
*
* @return ErrorStatus - READY or NoREADY.
*/
ErrorStatus I2C_CheckEvent(I2C_TypeDef *I2Cx, uint32_t I2C_EVENT)
{
uint32_t lastevent = 0;
uint32_t flag1 = 0, flag2 = 0;
ErrorStatus status = NoREADY;
flag1 = I2Cx->STAR1;
flag2 = I2Cx->STAR2;
flag2 = flag2 << 16;
lastevent = (flag1 | flag2) & FLAG_Mask;
if((lastevent & I2C_EVENT) == I2C_EVENT)
{
status = READY;
}
else
{
status = NoREADY;
}
return status;
}
/*********************************************************************
* @fn I2C_GetLastEvent
*
* @brief Returns the last I2Cx Event.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
*
* @return none
*/
uint32_t I2C_GetLastEvent(I2C_TypeDef *I2Cx)
{
uint32_t lastevent = 0;
uint32_t flag1 = 0, flag2 = 0;
flag1 = I2Cx->STAR1;
flag2 = I2Cx->STAR2;
flag2 = flag2 << 16;
lastevent = (flag1 | flag2) & FLAG_Mask;
return lastevent;
}
/*********************************************************************
* @fn I2C_GetFlagStatus
*
* @brief Checks whether the last I2Cx Event is equal to the one passed
* as parameter.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_FLAG - specifies the flag to check.
* I2C_FLAG_DUALF - Dual flag (Slave mode).
* I2C_FLAG_GENCALL - General call header flag (Slave mode).
* I2C_FLAG_TRA - Transmitter/Receiver flag.
* I2C_FLAG_BUSY - Bus busy flag.
* I2C_FLAG_MSL - Master/Slave flag.
* I2C_FLAG_PECERR - PEC error in reception flag.
* I2C_FLAG_OVR - Overrun/Underrun flag (Slave mode).
* I2C_FLAG_AF - Acknowledge failure flag.
* I2C_FLAG_ARLO - Arbitration lost flag (Master mode).
* I2C_FLAG_BERR - Bus error flag.
* I2C_FLAG_TXE - Data register empty flag (Transmitter).
* I2C_FLAG_RXNE- Data register not empty (Receiver) flag.
* I2C_FLAG_STOPF - Stop detection flag (Slave mode).
* I2C_FLAG_ADD10 - 10-bit header sent flag (Master mode).
* I2C_FLAG_BTF - Byte transfer finished flag.
* I2C_FLAG_ADDR - Address sent flag (Master mode) "ADSL"
* Address matched flag (Slave mode)"ENDA".
* I2C_FLAG_SB - Start bit flag (Master mode).
*
* @return FlagStatus - SET or RESET.
*/
FlagStatus I2C_GetFlagStatus(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
{
FlagStatus bitstatus = RESET;
__IO uint32_t i2creg = 0, i2cxbase = 0;
i2cxbase = (uint32_t)I2Cx;
i2creg = I2C_FLAG >> 28;
I2C_FLAG &= FLAG_Mask;
if(i2creg != 0)
{
i2cxbase += 0x14;
}
else
{
I2C_FLAG = (uint32_t)(I2C_FLAG >> 16);
i2cxbase += 0x18;
}
if(((*(__IO uint32_t *)i2cxbase) & I2C_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn I2C_ClearFlag
*
* @brief Clears the I2Cx's pending flags.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_FLAG - specifies the flag to clear.
* I2C_FLAG_SMBALERT - SMBus Alert flag.
* I2C_FLAG_TIMEOUT - Timeout or Tlow error flag.
* I2C_FLAG_PECERR - PEC error in reception flag.
* I2C_FLAG_OVR - Overrun/Underrun flag (Slave mode).
* I2C_FLAG_AF - Acknowledge failure flag.
* I2C_FLAG_ARLO - Arbitration lost flag (Master mode).
* I2C_FLAG_BERR - Bus error flag.
* Note-
* - STOPF (STOP detection) is cleared by software sequence: a read operation
* to I2C_STAR1 register (I2C_GetFlagStatus()) followed by a write operation
* to I2C_CTLR1 register (I2C_Cmd() to re-enable the I2C peripheral).
* - ADD10 (10-bit header sent) is cleared by software sequence: a read
* operation to I2C_SATR1 (I2C_GetFlagStatus()) followed by writing the
* second byte of the address in DATAR register.
* - BTF (Byte Transfer Finished) is cleared by software sequence: a read
* operation to I2C_SATR1 register (I2C_GetFlagStatus()) followed by a
* read/write to I2C_DATAR register (I2C_SendData()).
* - ADDR (Address sent) is cleared by software sequence: a read operation to
* I2C_SATR1 register (I2C_GetFlagStatus()) followed by a read operation to
* I2C_SATR2 register ((void)(I2Cx->SR2)).
* - SB (Start Bit) is cleared software sequence: a read operation to I2C_STAR1
* register (I2C_GetFlagStatus()) followed by a write operation to I2C_DATAR
* register (I2C_SendData()).
* @return none
*/
void I2C_ClearFlag(I2C_TypeDef *I2Cx, uint32_t I2C_FLAG)
{
uint32_t flagpos = 0;
flagpos = I2C_FLAG & FLAG_Mask;
I2Cx->STAR1 = (uint16_t)~flagpos;
}
/*********************************************************************
* @fn I2C_GetITStatus
*
* @brief Checks whether the specified I2C interrupt has occurred or not.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* II2C_IT - specifies the interrupt source to check.
* I2C_IT_PECERR - PEC error in reception flag.
* I2C_IT_OVR - Overrun/Underrun flag (Slave mode).
* I2C_IT_AF - Acknowledge failure flag.
* I2C_IT_ARLO - Arbitration lost flag (Master mode).
* I2C_IT_BERR - Bus error flag.
* I2C_IT_TXE - Data register empty flag (Transmitter).
* I2C_IT_RXNE - Data register not empty (Receiver) flag.
* I2C_IT_STOPF - Stop detection flag (Slave mode).
* I2C_IT_ADD10 - 10-bit header sent flag (Master mode).
* I2C_IT_BTF - Byte transfer finished flag.
* I2C_IT_ADDR - Address sent flag (Master mode) "ADSL" Address matched
* flag (Slave mode)"ENDAD".
* I2C_IT_SB - Start bit flag (Master mode).
*
* @return none
*/
ITStatus I2C_GetITStatus(I2C_TypeDef *I2Cx, uint32_t I2C_IT)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
enablestatus = (uint32_t)(((I2C_IT & ITEN_Mask) >> 16) & (I2Cx->CTLR2));
I2C_IT &= FLAG_Mask;
if(((I2Cx->STAR1 & I2C_IT) != (uint32_t)RESET) && enablestatus)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn I2C_ClearITPendingBit
*
* @brief Clears the I2Cx interrupt pending bits.
*
* @param I2Cx - where x can be 1 to select the I2C peripheral.
* I2C_IT - specifies the interrupt pending bit to clear.
* I2C_IT_PECERR - PEC error in reception interrupt.
* I2C_IT_OVR - Overrun/Underrun interrupt (Slave mode).
* I2C_IT_AF - Acknowledge failure interrupt.
* I2C_IT_ARLO - Arbitration lost interrupt (Master mode).
* I2C_IT_BERR - Bus error interrupt.
* Note-
* - STOPF (STOP detection) is cleared by software sequence: a read operation
* to I2C_STAR1 register (I2C_GetITStatus()) followed by a write operation to
* I2C_CTLR1 register (I2C_Cmd() to re-enable the I2C peripheral).
* - ADD10 (10-bit header sent) is cleared by software sequence: a read
* operation to I2C_STAR1 (I2C_GetITStatus()) followed by writing the second
* byte of the address in I2C_DATAR register.
* - BTF (Byte Transfer Finished) is cleared by software sequence: a read
* operation to I2C_STAR1 register (I2C_GetITStatus()) followed by a
* read/write to I2C_DATAR register (I2C_SendData()).
* - ADDR (Address sent) is cleared by software sequence: a read operation to
* I2C_STAR1 register (I2C_GetITStatus()) followed by a read operation to
* I2C_STAR2 register ((void)(I2Cx->SR2)).
* - SB (Start Bit) is cleared by software sequence: a read operation to
* I2C_STAR1 register (I2C_GetITStatus()) followed by a write operation to
* I2C_DATAR register (I2C_SendData()).
*
* @return none
*/
void I2C_ClearITPendingBit(I2C_TypeDef *I2Cx, uint32_t I2C_IT)
{
uint32_t flagpos = 0;
flagpos = I2C_IT & FLAG_Mask;
I2Cx->STAR1 = (uint16_t)~flagpos;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_iwdg.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the IWDG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_iwdg.h>
/* CTLR register bit mask */
#define CTLR_KEY_Reload ((uint16_t)0xAAAA)
#define CTLR_KEY_Enable ((uint16_t)0xCCCC)
/*********************************************************************
* @fn IWDG_WriteAccessCmd
*
* @brief Enables or disables write access to IWDG_PSCR and IWDG_RLDR registers.
*
* @param WDG_WriteAccess - new state of write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Enable - Enable write access to IWDG_PSCR and
* IWDG_RLDR registers.
* IWDG_WriteAccess_Disable - Disable write access to IWDG_PSCR
* and IWDG_RLDR registers.
*
* @return none
*/
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
{
IWDG->CTLR = IWDG_WriteAccess;
}
/*********************************************************************
* @fn IWDG_SetPrescaler
*
* @brief Sets IWDG Prescaler value.
*
* @param IWDG_Prescaler - specifies the IWDG Prescaler value.
* IWDG_Prescaler_4 - IWDG prescaler set to 4.
* IWDG_Prescaler_8 - IWDG prescaler set to 8.
* IWDG_Prescaler_16 - IWDG prescaler set to 16.
* IWDG_Prescaler_32 - IWDG prescaler set to 32.
* IWDG_Prescaler_64 - IWDG prescaler set to 64.
* IWDG_Prescaler_128 - IWDG prescaler set to 128.
* IWDG_Prescaler_256 - IWDG prescaler set to 256.
*
* @return none
*/
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
{
IWDG->PSCR = IWDG_Prescaler;
}
/*********************************************************************
* @fn IWDG_SetReload
*
* @brief Sets IWDG Reload value.
*
* @param Reload - specifies the IWDG Reload value.
* This parameter must be a number between 0 and 0x0FFF.
*
* @return none
*/
void IWDG_SetReload(uint16_t Reload)
{
IWDG->RLDR = Reload;
}
/*********************************************************************
* @fn IWDG_ReloadCounter
*
* @brief Reloads IWDG counter with value defined in the reload register.
*
* @return none
*/
void IWDG_ReloadCounter(void)
{
IWDG->CTLR = CTLR_KEY_Reload;
}
/*********************************************************************
* @fn IWDG_Enable
*
* @brief Enables IWDG (write access to IWDG_PSCR and IWDG_RLDR registers disabled).
*
* @return none
*/
void IWDG_Enable(void)
{
IWDG->CTLR = CTLR_KEY_Enable;
}
/*********************************************************************
* @fn IWDG_GetFlagStatus
*
* @brief Checks whether the specified IWDG flag is set or not.
*
* @param IWDG_FLAG - specifies the flag to check.
* IWDG_FLAG_PVU - Prescaler Value Update on going.
* IWDG_FLAG_RVU - Reload Value Update on going.
*
* @return none
*/
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
{
FlagStatus bitstatus = RESET;
if((IWDG->STATR & IWDG_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_misc.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the miscellaneous firmware functions .
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_misc.h>
__IO uint32_t NVIC_Priority_Group = 0;
/*********************************************************************
* @fn NVIC_PriorityGroupConfig
*
* @brief Configures the priority grouping - pre-emption priority and subpriority.
*
* @param NVIC_PriorityGroup - specifies the priority grouping bits length.
* NVIC_PriorityGroup_0 - 0 bits for pre-emption priority
* 4 bits for subpriority
* NVIC_PriorityGroup_1 - 1 bits for pre-emption priority
* 3 bits for subpriority
* NVIC_PriorityGroup_2 - 2 bits for pre-emption priority
* 2 bits for subpriority
* NVIC_PriorityGroup_3 - 3 bits for pre-emption priority
* 1 bits for subpriority
* NVIC_PriorityGroup_4 - 4 bits for pre-emption priority
* 0 bits for subpriority
*
* @return none
*/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
{
NVIC_Priority_Group = NVIC_PriorityGroup;
}
/*********************************************************************
* @fn NVIC_Init
*
* @brief Initializes the NVIC peripheral according to the specified parameters in
* the NVIC_InitStruct.
*
* @param NVIC_InitStruct - pointer to a NVIC_InitTypeDef structure that contains the
* configuration information for the specified NVIC peripheral.
*
* @return none
*/
void NVIC_Init(NVIC_InitTypeDef *NVIC_InitStruct)
{
uint8_t tmppre = 0;
if(NVIC_Priority_Group == NVIC_PriorityGroup_0)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4);
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_1)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority == 1)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
}
else
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (NVIC_InitStruct->NVIC_IRQChannelSubPriority << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_2)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 1)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 2));
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_3)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 3)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (0 << 7) | (tmppre << 4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2 * (NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority - 4));
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, (1 << 7) | (tmppre << 4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_4)
{
NVIC_SetPriority(NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << 4);
}
if(NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
NVIC_EnableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
else
{
NVIC_DisableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_opa.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the OPA firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_opa.h>
/*********************************************************************
* @fn OPA_DeInit
*
* @brief Deinitializes the OPA peripheral registers to their default
* reset values.
*
* @return none
*/
void OPA_DeInit(void)
{
EXTEN->EXTEN_CTR &= ~(uint32_t)(7 << 16);
}
/*********************************************************************
* @fn OPA_Init
*
* @brief Initializes the OPA peripheral according to the specified
* parameters in the OPA_InitStruct.
*
* @param OPA_InitStruct - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_Init(OPA_InitTypeDef *OPA_InitStruct)
{
uint32_t tmp = 0;
tmp = EXTEN->EXTEN_CTR;
tmp &= ~(uint32_t)(3<<17);
tmp |= (OPA_InitStruct->PSEL << 18) | (OPA_InitStruct->NSEL << 17);
EXTEN->EXTEN_CTR = tmp;
}
/*********************************************************************
* @fn OPA_StructInit
*
* @brief Fills each OPA_StructInit member with its reset value.
*
* @param OPA_StructInit - pointer to a OPA_InitTypeDef structure
*
* @return none
*/
void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct)
{
OPA_InitStruct->PSEL = CHP0;
OPA_InitStruct->NSEL = CHN0;
}
/*********************************************************************
* @fn OPA_Cmd
*
* @brief Enables or disables the specified OPA peripheral.
*
* @param OPA_NUM - Select OPA
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void OPA_Cmd(FunctionalState NewState)
{
if(NewState == ENABLE)
{
EXTEN->EXTEN_CTR |= (uint32_t)(1 << 16);
}
else
{
EXTEN->EXTEN_CTR &= ~(uint32_t)(1 << 16);
}
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_pwr.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the PWR firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_pwr.h>
#include <ch32v00x_rcc.h>
/* PWR registers bit mask */
/* CTLR register bit mask */
#define CTLR_DS_MASK ((uint32_t)0xFFFFFFFD)
#define CTLR_PLS_MASK ((uint32_t)0xFFFFFF1F)
#define AWUPSC_MASK ((uint32_t)0xFFFFFFF0)
#define AWUWR_MASK ((uint32_t)0xFFFFFFC0)
/*********************************************************************
* @fn PWR_DeInit
*
* @brief Deinitializes the PWR peripheral registers to their default
* reset values.
*
* @return none
*/
void PWR_DeInit(void)
{
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
}
/*********************************************************************
* @fn PWR_PVDCmd
*
* @brief Enables or disables the Power Voltage Detector(PVD).
*
* @param NewState - new state of the PVD(ENABLE or DISABLE).
*
* @return none
*/
void PWR_PVDCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->CTLR |= (1 << 4);
}
else
{
PWR->CTLR &= ~(1 << 4);
}
}
/*********************************************************************
* @fn PWR_PVDLevelConfig
*
* @brief Configures the voltage threshold detected by the Power Voltage
* Detector(PVD).
*
* @param PWR_PVDLevel - specifies the PVD detection level
* PWR_PVDLevel_2V9 - PVD detection level set to 2.9V
* PWR_PVDLevel_3V1 - PVD detection level set to 3.1V
* PWR_PVDLevel_3V3 - PVD detection level set to 3.3V
* PWR_PVDLevel_3V5 - PVD detection level set to 3.5V
* PWR_PVDLevel_3V7 - PVD detection level set to 3.7V
* PWR_PVDLevel_3V9 - PVD detection level set to 3.9V
* PWR_PVDLevel_4V1 - PVD detection level set to 4.1V
* PWR_PVDLevel_4V4 - PVD detection level set to 4.4V
*
* @return none
*/
void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
{
uint32_t tmpreg = 0;
tmpreg = PWR->CTLR;
tmpreg &= CTLR_PLS_MASK;
tmpreg |= PWR_PVDLevel;
PWR->CTLR = tmpreg;
}
/*********************************************************************
* @fn PWR_AutoWakeUpCmd
*
* @brief Enables or disables the Auto WakeUp functionality.
*
* @param NewState - new state of the Auto WakeUp functionality
* (ENABLE or DISABLE).
*
* @return none
*/
void PWR_AutoWakeUpCmd(FunctionalState NewState)
{
if(NewState)
{
PWR->AWUCSR |= (1 << 1);
}
else
{
PWR->AWUCSR &= ~(1 << 1);
}
}
/*********************************************************************
* @fn PWR_AWU_SetPrescaler
*
* @brief Sets the Auto Wake up Prescaler
*
* @param AWU_Prescaler - specifies the Auto Wake up Prescaler
* PWR_AWU_Prescaler_1 - AWU counter clock = LSI/1
* PWR_AWU_Prescaler_2 - AWU counter clock = LSI/2
* PWR_AWU_Prescaler_4 - AWU counter clock = LSI/4
* PWR_AWU_Prescaler_8 - AWU counter clock = LSI/8
* PWR_AWU_Prescaler_16 - AWU counter clock = LSI/16
* PWR_AWU_Prescaler_32 - AWU counter clock = LSI/32
* PWR_AWU_Prescaler_64 - AWU counter clock = LSI/64
* PWR_AWU_Prescaler_128 - AWU counter clock = LSI/128
* PWR_AWU_Prescaler_256 - AWU counter clock = LSI/256
* PWR_AWU_Prescaler_512 - AWU counter clock = LSI/512
* PWR_AWU_Prescaler_1024 - AWU counter clock = LSI/1024
* PWR_AWU_Prescaler_2048 - AWU counter clock = LSI/2048
* PWR_AWU_Prescaler_4096 - AWU counter clock = LSI/4096
* PWR_AWU_Prescaler_10240 - AWU counter clock = LSI/10240
* PWR_AWU_Prescaler_61440 - AWU counter clock = LSI/61440
*
* @return none
*/
void PWR_AWU_SetPrescaler(uint32_t AWU_Prescaler)
{
uint32_t tmpreg = 0;
tmpreg = PWR->AWUPSC & AWUPSC_MASK;
tmpreg |= AWU_Prescaler;
PWR->AWUPSC = tmpreg;
}
/*********************************************************************
* @fn PWR_AWU_SetWindowValue
*
* @brief Sets the WWDG window value
*
* @param WindowValue - specifies the window value to be compared to the
* downcounter,which must be lower than 0x3F
*
* @return none
*/
void PWR_AWU_SetWindowValue(uint8_t WindowValue)
{
__IO uint32_t tmpreg = 0;
tmpreg = PWR->AWUWR & AWUWR_MASK;
tmpreg |= WindowValue;
PWR->AWUWR = tmpreg;
}
/*********************************************************************
* @fn PWR_EnterSTANDBYMode
*
* @brief Enters STANDBY mode.
*
* @param PWR_STANDBYEntry - specifies if STANDBY mode in entered with WFI or WFE instruction.
* PWR_STANDBYEntry_WFI - enter STANDBY mode with WFI instruction
* PWR_STANDBYEntry_WFE - enter STANDBY mode with WFE instruction
*
* @return none
*/
void PWR_EnterSTANDBYMode(uint8_t PWR_STANDBYEntry)
{
PWR->CTLR &= CTLR_DS_MASK;
PWR->CTLR |= PWR_CTLR_PDDS;
NVIC->SCTLR |= (1 << 2);
if(PWR_STANDBYEntry == PWR_STANDBYEntry_WFI)
{
__WFI();
}
else
{
__WFE();
}
NVIC->SCTLR &= ~(1 << 2);
}
/*********************************************************************
* @fn PWR_GetFlagStatus
*
* @brief Checks whether the specified PWR flag is set or not.
*
* @param PWR_FLAG - specifies the flag to check.
* PWR_FLAG_PVDO - PVD Output
*
* @return The new state of PWR_FLAG (SET or RESET).
*/
FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
{
FlagStatus bitstatus = RESET;
if((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}

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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v00x_rcc.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : This file provides all the RCC firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include <ch32v00x_rcc.h>
/* RCC registers bit address in the alias region */
#define RCC_OFFSET (RCC_BASE - PERIPH_BASE)
/* BDCTLR Register */
#define BDCTLR_OFFSET (RCC_OFFSET + 0x20)
/* RCC registers bit mask */
/* CTLR register bit mask */
#define CTLR_HSEBYP_Reset ((uint32_t)0xFFFBFFFF)
#define CTLR_HSEBYP_Set ((uint32_t)0x00040000)
#define CTLR_HSEON_Reset ((uint32_t)0xFFFEFFFF)
#define CTLR_HSEON_Set ((uint32_t)0x00010000)
#define CTLR_HSITRIM_Mask ((uint32_t)0xFFFFFF07)
#define CFGR0_PLL_Mask ((uint32_t)0xFFC0FFFF)
#define CFGR0_PLLMull_Mask ((uint32_t)0x003C0000)
#define CFGR0_PLLSRC_Mask ((uint32_t)0x00010000)
#define CFGR0_PLLXTPRE_Mask ((uint32_t)0x00020000)
#define CFGR0_SWS_Mask ((uint32_t)0x0000000C)
#define CFGR0_SW_Mask ((uint32_t)0xFFFFFFFC)
#define CFGR0_HPRE_Reset_Mask ((uint32_t)0xFFFFFF0F)
#define CFGR0_HPRE_Set_Mask ((uint32_t)0x000000F0)
#define CFGR0_PPRE1_Reset_Mask ((uint32_t)0xFFFFF8FF)
#define CFGR0_PPRE1_Set_Mask ((uint32_t)0x00000700)
#define CFGR0_PPRE2_Reset_Mask ((uint32_t)0xFFFFC7FF)
#define CFGR0_PPRE2_Set_Mask ((uint32_t)0x00003800)
#define CFGR0_ADCPRE_Reset_Mask ((uint32_t)0xFFFF07FF)
#define CFGR0_ADCPRE_Set_Mask ((uint32_t)0x0000F800)
/* RSTSCKR register bit mask */
#define RSTSCKR_RMVF_Set ((uint32_t)0x01000000)
/* RCC Flag Mask */
#define FLAG_Mask ((uint8_t)0x1F)
/* INTR register byte 2 (Bits[15:8]) base address */
#define INTR_BYTE2_ADDRESS ((uint32_t)0x40021009)
/* INTR register byte 3 (Bits[23:16]) base address */
#define INTR_BYTE3_ADDRESS ((uint32_t)0x4002100A)
/* CFGR0 register byte 4 (Bits[31:24]) base address */
#define CFGR0_BYTE4_ADDRESS ((uint32_t)0x40021007)
/* BDCTLR register base address */
#define BDCTLR_ADDRESS (PERIPH_BASE + BDCTLR_OFFSET)
static __I uint8_t APBAHBPrescTable[16] = {1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8};
static __I uint8_t ADCPrescTable[20] = {2, 4, 6, 8, 4, 8, 12, 16, 8, 16, 24, 32, 16, 32, 48, 64, 32, 64, 96, 128};
/*********************************************************************
* @fn RCC_DeInit
*
* @brief Resets the RCC clock configuration to the default reset state.
*
* @return none
*/
void RCC_DeInit(void)
{
RCC->CTLR |= (uint32_t)0x00000001;
RCC->CFGR0 &= (uint32_t)0xFCFF0000;
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
RCC->CFGR0 &= (uint32_t)0xFFFEFFFF;
RCC->INTR = 0x009F0000;
}
/*********************************************************************
* @fn RCC_HSEConfig
*
* @brief Configures the External High Speed oscillator (HSE).
*
* @param RCC_HSE -
* RCC_HSE_OFF - HSE oscillator OFF.
* RCC_HSE_ON - HSE oscillator ON.
* RCC_HSE_Bypass - HSE oscillator bypassed with external clock.
* Note-
* HSE can not be stopped if it is used directly or through the PLL as system clock.
* @return none
*/
void RCC_HSEConfig(uint32_t RCC_HSE)
{
RCC->CTLR &= CTLR_HSEON_Reset;
RCC->CTLR &= CTLR_HSEBYP_Reset;
switch(RCC_HSE)
{
case RCC_HSE_ON:
RCC->CTLR |= CTLR_HSEON_Set;
break;
case RCC_HSE_Bypass:
RCC->CTLR |= CTLR_HSEBYP_Set | CTLR_HSEON_Set;
break;
default:
break;
}
}
/*********************************************************************
* @fn RCC_WaitForHSEStartUp
*
* @brief Waits for HSE start-up.
*
* @return READY - HSE oscillator is stable and ready to use.
* NoREADY - HSE oscillator not yet ready.
*/
ErrorStatus RCC_WaitForHSEStartUp(void)
{
__IO uint32_t StartUpCounter = 0;
ErrorStatus status = NoREADY;
FlagStatus HSEStatus = RESET;
do
{
HSEStatus = RCC_GetFlagStatus(RCC_FLAG_HSERDY);
StartUpCounter++;
} while((StartUpCounter != HSE_STARTUP_TIMEOUT) && (HSEStatus == RESET));
if(RCC_GetFlagStatus(RCC_FLAG_HSERDY) != RESET)
{
status = READY;
}
else
{
status = NoREADY;
}
return (status);
}
/*********************************************************************
* @fn RCC_AdjustHSICalibrationValue
*
* @brief Adjusts the Internal High Speed oscillator (HSI) calibration value.
*
* @param HSICalibrationValue - specifies the calibration trimming value.
* This parameter must be a number between 0 and 0x1F.
*
* @return none
*/
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CTLR;
tmpreg &= CTLR_HSITRIM_Mask;
tmpreg |= (uint32_t)HSICalibrationValue << 3;
RCC->CTLR = tmpreg;
}
/*********************************************************************
* @fn RCC_HSICmd
*
* @brief Enables or disables the Internal High Speed oscillator (HSI).
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_HSICmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 0);
}
else
{
RCC->CTLR &= ~(1 << 0);
}
}
/*********************************************************************
* @fn RCC_PLLConfig
*
* @brief Configures the PLL clock source and multiplication factor.
*
* @param RCC_PLLSource - specifies the PLL entry clock source.
* RCC_PLLSource_HSI_MUL2 - HSI oscillator clock*2
* selected as PLL clock entry.
* RCC_PLLSource_HSE_MUL2 - HSE oscillator clock*2
* selected as PLL clock entry.
*
* @return none
*/
void RCC_PLLConfig(uint32_t RCC_PLLSource)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_PLL_Mask;
tmpreg |= RCC_PLLSource;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_PLLCmd
*
* @brief Enables or disables the PLL.
* Note-The PLL can not be disabled if it is used as system clock.
*
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_PLLCmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 24);
}
else
{
RCC->CTLR &= ~(1 << 24);
}
}
/*********************************************************************
* @fn RCC_SYSCLKConfig
*
* @brief Configures the system clock (SYSCLK).
*
* @param RCC_SYSCLKSource - specifies the clock source used as system clock.
* RCC_SYSCLKSource_HSI - HSI selected as system clock.
* RCC_SYSCLKSource_HSE - HSE selected as system clock.
* RCC_SYSCLKSource_PLLCLK - PLL selected as system clock.
*
* @return none
*/
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_SW_Mask;
tmpreg |= RCC_SYSCLKSource;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_GetSYSCLKSource
*
* @brief Returns the clock source used as system clock.
*
* @return 0x00 - HSI used as system clock.
* 0x04 - HSE used as system clock.
* 0x08 - PLL used as system clock.
*/
uint8_t RCC_GetSYSCLKSource(void)
{
return ((uint8_t)(RCC->CFGR0 & CFGR0_SWS_Mask));
}
/*********************************************************************
* @fn RCC_HCLKConfig
*
* @brief Configures the AHB clock (HCLK).
*
* @param RCC_SYSCLK - defines the AHB clock divider. This clock is derived from
* the system clock (SYSCLK).
* RCC_SYSCLK_Div1 - AHB clock = SYSCLK.
* RCC_SYSCLK_Div2 - AHB clock = SYSCLK/2.
* RCC_SYSCLK_Div3 - AHB clock = SYSCLK/3.
* RCC_SYSCLK_Div4 - AHB clock = SYSCLK/4.
* RCC_SYSCLK_Div5 - AHB clock = SYSCLK/5.
* RCC_SYSCLK_Div6 - AHB clock = SYSCLK/6.
* RCC_SYSCLK_Div7 - AHB clock = SYSCLK/7.
* RCC_SYSCLK_Div8 - AHB clock = SYSCLK/8.
* RCC_SYSCLK_Div16 - AHB clock = SYSCLK/16.
* RCC_SYSCLK_Div32 - AHB clock = SYSCLK/32.
* RCC_SYSCLK_Div64 - AHB clock = SYSCLK/64.
* RCC_SYSCLK_Div128 - AHB clock = SYSCLK/128.
* RCC_SYSCLK_Div256 - AHB clock = SYSCLK/256.
*
* @return none
*/
void RCC_HCLKConfig(uint32_t RCC_SYSCLK)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_HPRE_Reset_Mask;
tmpreg |= RCC_SYSCLK;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_ITConfig
*
* @brief Enables or disables the specified RCC interrupts.
*
* @param RCC_IT - specifies the RCC interrupt sources to be enabled or disabled.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState)
{
if(NewState != DISABLE)
{
*(__IO uint8_t *)INTR_BYTE2_ADDRESS |= RCC_IT;
}
else
{
*(__IO uint8_t *)INTR_BYTE2_ADDRESS &= (uint8_t)~RCC_IT;
}
}
/*********************************************************************
* @fn RCC_ADCCLKConfig
*
* @brief Configures the ADC clock (ADCCLK).
*
* @param RCC_PCLK2 - defines the ADC clock divider. This clock is derived from
* the APB2 clock (PCLK2).
* RCC_PCLK2_Div2 - ADC clock = PCLK2/2.
* RCC_PCLK2_Div4 - ADC clock = PCLK2/4.
* RCC_PCLK2_Div6 - ADC clock = PCLK2/6.
* RCC_PCLK2_Div8 - ADC clock = PCLK2/8.
* RCC_PCLK2_Div12 - ADC clock = PCLK2/12.
* RCC_PCLK2_Div16 - ADC clock = PCLK2/16.
* RCC_PCLK2_Div24 - ADC clock = PCLK2/24.
* RCC_PCLK2_Div32 - ADC clock = PCLK2/32.
* RCC_PCLK2_Div48 - ADC clock = PCLK2/48.
* RCC_PCLK2_Div64 - ADC clock = PCLK2/64.
* RCC_PCLK2_Div96 - ADC clock = PCLK2/96.
* RCC_PCLK2_Div128 - ADC clock = PCLK2/128.
*
* @return none
*/
void RCC_ADCCLKConfig(uint32_t RCC_PCLK2)
{
uint32_t tmpreg = 0;
tmpreg = RCC->CFGR0;
tmpreg &= CFGR0_ADCPRE_Reset_Mask;
tmpreg |= RCC_PCLK2;
RCC->CFGR0 = tmpreg;
}
/*********************************************************************
* @fn RCC_LSICmd
*
* @brief Enables or disables the Internal Low Speed oscillator (LSI).
* Note-
* LSI can not be disabled if the IWDG is running.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_LSICmd(FunctionalState NewState)
{
if(NewState)
{
RCC->RSTSCKR |= (1 << 0);
}
else
{
RCC->RSTSCKR &= ~(1 << 0);
}
}
/*********************************************************************
* @fn RCC_GetClocksFreq
*
* @brief The result of this function could be not correct when using
* fractional value for HSE crystal.
*
* @param RCC_Clocks - pointer to a RCC_ClocksTypeDef structure which will hold
* the clocks frequencies.
*
* @return none
*/
void RCC_GetClocksFreq(RCC_ClocksTypeDef *RCC_Clocks)
{
uint32_t tmp = 0, pllsource = 0, presc = 0;
tmp = RCC->CFGR0 & CFGR0_SWS_Mask;
switch(tmp)
{
case 0x00:
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
break;
case 0x04:
RCC_Clocks->SYSCLK_Frequency = HSE_VALUE;
break;
case 0x08:
pllsource = RCC->CFGR0 & CFGR0_PLLSRC_Mask;
if(pllsource == 0x00)
{
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE * 2;
}
else
{
RCC_Clocks->SYSCLK_Frequency = HSE_VALUE * 2;
}
break;
default:
RCC_Clocks->SYSCLK_Frequency = HSI_VALUE;
break;
}
tmp = RCC->CFGR0 & CFGR0_HPRE_Set_Mask;
tmp = tmp >> 4;
presc = APBAHBPrescTable[tmp];
if(((RCC->CFGR0 & CFGR0_HPRE_Set_Mask) >> 4) < 8)
{
RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency / presc;
}
else
{
RCC_Clocks->HCLK_Frequency = RCC_Clocks->SYSCLK_Frequency >> presc;
}
RCC_Clocks->PCLK1_Frequency = RCC_Clocks->HCLK_Frequency;
RCC_Clocks->PCLK2_Frequency = RCC_Clocks->HCLK_Frequency;
tmp = RCC->CFGR0 & CFGR0_ADCPRE_Set_Mask;
tmp = tmp >> 11;
tmp = ((tmp & 0x18) >> 3) | ((tmp & 0x7) << 2);
if((tmp & 0x13) >= 4)
{
tmp -= 12;
}
presc = ADCPrescTable[tmp];
RCC_Clocks->ADCCLK_Frequency = RCC_Clocks->PCLK2_Frequency / presc;
}
/*********************************************************************
* @fn RCC_AHBPeriphClockCmd
*
* @brief Enables or disables the AHB peripheral clock.
*
* @param RCC_AHBPeriph - specifies the AHB peripheral to gates its clock.
* RCC_AHBPeriph_DMA1.
* RCC_AHBPeriph_SRAM.
* Note-
* SRAM clock can be disabled only during sleep mode.
* NewState: ENABLE or DISABLE.
*
* @return none
*/
void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->AHBPCENR |= RCC_AHBPeriph;
}
else
{
RCC->AHBPCENR &= ~RCC_AHBPeriph;
}
}
/*********************************************************************
* @fn RCC_APB2PeriphClockCmd
*
* @brief Enables or disables the High Speed APB (APB2) peripheral clock.
*
* @param RCC_APB2Periph - specifies the APB2 peripheral to gates its clock.
* RCC_APB2Periph_AFIO.
* RCC_APB2Periph_GPIOA.
* RCC_APB2Periph_GPIOC.
* RCC_APB2Periph_GPIOD.
* RCC_APB2Periph_ADC1.
* RCC_APB2Periph_TIM1.
* RCC_APB2Periph_SPI1.
* RCC_APB2Periph_USART1.
* NewState - ENABLE or DISABLE
*
* @return none
*/
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB2PCENR |= RCC_APB2Periph;
}
else
{
RCC->APB2PCENR &= ~RCC_APB2Periph;
}
}
/*********************************************************************
* @fn RCC_APB1PeriphClockCmd
*
* @brief Enables or disables the Low Speed APB (APB1) peripheral clock.
*
* @param RCC_APB1Periph - specifies the APB1 peripheral to gates its clock.
* RCC_APB1Periph_TIM2.
* RCC_APB1Periph_WWDG.
* RCC_APB1Periph_I2C1.
* RCC_APB1Periph_PWR.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB1PCENR |= RCC_APB1Periph;
}
else
{
RCC->APB1PCENR &= ~RCC_APB1Periph;
}
}
/*********************************************************************
* @fn RCC_APB2PeriphResetCmd
*
* @brief Forces or releases High Speed APB (APB2) peripheral reset.
*
* @param RCC_APB2Periph - specifies the APB2 peripheral to reset.
* RCC_APB2Periph_AFIO.
* RCC_APB2Periph_GPIOA.
* RCC_APB2Periph_GPIOC.
* RCC_APB2Periph_GPIOD.
* RCC_APB2Periph_ADC1.
* RCC_APB2Periph_TIM1.
* RCC_APB2Periph_SPI1.
* RCC_APB2Periph_USART1.
* NewState - ENABLE or DISABLE
*
* @return none
*/
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB2PRSTR |= RCC_APB2Periph;
}
else
{
RCC->APB2PRSTR &= ~RCC_APB2Periph;
}
}
/*********************************************************************
* @fn RCC_APB1PeriphResetCmd
*
* @brief Forces or releases Low Speed APB (APB1) peripheral reset.
*
* @param RCC_APB1Periph - specifies the APB1 peripheral to reset.
* RCC_APB1Periph_TIM2.
* RCC_APB1Periph_WWDG.
* RCC_APB1Periph_I2C1.
* RCC_APB1Periph_PWR.
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState)
{
if(NewState != DISABLE)
{
RCC->APB1PRSTR |= RCC_APB1Periph;
}
else
{
RCC->APB1PRSTR &= ~RCC_APB1Periph;
}
}
/*********************************************************************
* @fn RCC_ClockSecuritySystemCmd
*
* @brief Enables or disables the Clock Security System.
*
* @param NewState - ENABLE or DISABLE.
*
* @return none
*/
void RCC_ClockSecuritySystemCmd(FunctionalState NewState)
{
if(NewState)
{
RCC->CTLR |= (1 << 19);
}
else
{
RCC->CTLR &= ~(1 << 19);
}
}
/*********************************************************************
* @fn RCC_MCOConfig
*
* @brief Selects the clock source to output on MCO pin.
*
* @param RCC_MCO - specifies the clock source to output.
* RCC_MCO_NoClock - No clock selected.
* RCC_MCO_SYSCLK - System clock selected.
* RCC_MCO_HSI - HSI oscillator clock selected.
* RCC_MCO_HSE - HSE oscillator clock selected.
* RCC_MCO_PLLCLK - PLL clock selected.
*
* @return none
*/
void RCC_MCOConfig(uint8_t RCC_MCO)
{
*(__IO uint8_t *)CFGR0_BYTE4_ADDRESS = RCC_MCO;
}
/*********************************************************************
* @fn RCC_GetFlagStatus
*
* @brief Checks whether the specified RCC flag is set or not.
*
* @param RCC_FLAG - specifies the flag to check.
* RCC_FLAG_HSIRDY - HSI oscillator clock ready.
* RCC_FLAG_HSERDY - HSE oscillator clock ready.
* RCC_FLAG_PLLRDY - PLL clock ready.
* RCC_FLAG_LSIRDY - LSI oscillator clock ready.
* RCC_FLAG_PINRST - Pin reset.
* RCC_FLAG_PORRST - POR/PDR reset.
* RCC_FLAG_SFTRST - Software reset.
* RCC_FLAG_IWDGRST - Independent Watchdog reset.
* RCC_FLAG_WWDGRST - Window Watchdog reset.
* RCC_FLAG_LPWRRST - Low Power reset.
*
* @return FlagStatus - SET or RESET.
*/
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG)
{
uint32_t tmp = 0;
uint32_t statusreg = 0;
FlagStatus bitstatus = RESET;
tmp = RCC_FLAG >> 5;
if(tmp == 1)
{
statusreg = RCC->CTLR;
}
else
{
statusreg = RCC->RSTSCKR;
}
tmp = RCC_FLAG & FLAG_Mask;
if((statusreg & ((uint32_t)1 << tmp)) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RCC_ClearFlag
*
* @brief Clears the RCC reset flags.
* Note-
* The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
* RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
* @return none
*/
void RCC_ClearFlag(void)
{
RCC->RSTSCKR |= RSTSCKR_RMVF_Set;
}
/*********************************************************************
* @fn RCC_GetITStatus
*
* @brief Checks whether the specified RCC interrupt has occurred or not.
*
* @param RCC_IT - specifies the RCC interrupt source to check.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* RCC_IT_CSS - Clock Security System interrupt.
*
* @return ITStatus - SET or RESET.
*/
ITStatus RCC_GetITStatus(uint8_t RCC_IT)
{
ITStatus bitstatus = RESET;
if((RCC->INTR & RCC_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/*********************************************************************
* @fn RCC_ClearITPendingBit
*
* @brief Clears the RCC's interrupt pending bits.
*
* @param RCC_IT - specifies the interrupt pending bit to clear.
* RCC_IT_LSIRDY - LSI ready interrupt.
* RCC_IT_HSIRDY - HSI ready interrupt.
* RCC_IT_HSERDY - HSE ready interrupt.
* RCC_IT_PLLRDY - PLL ready interrupt.
* RCC_IT_CSS - Clock Security System interrupt.
*
* @return none
*/
void RCC_ClearITPendingBit(uint8_t RCC_IT)
{
*(__IO uint8_t *)INTR_BYTE3_ADDRESS = RCC_IT;
}

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