078f382dcc
nearly everything is "implemented" but how well it works, or if it works at all, is unknown.
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_dbgmcu.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file provides all the DBGMCU firmware functions.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "ch32v20x_dbgmcu.h"
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#define IDCODE_DEVID_MASK ((uint32_t)0x0000FFFF)
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/*********************************************************************
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* @fn DBGMCU_GetREVID
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*
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* @brief Returns the device revision identifier.
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*
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* @return Revision identifier.
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*/
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uint32_t DBGMCU_GetREVID(void)
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{
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return ((*(uint32_t *)0x1FFFF704) >> 16);
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}
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/*********************************************************************
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* @fn DBGMCU_GetDEVID
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*
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* @brief Returns the device identifier.
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*
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* @return Device identifier.
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*/
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uint32_t DBGMCU_GetDEVID(void)
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{
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return ((*(uint32_t *)0x1FFFF704) & IDCODE_DEVID_MASK);
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}
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/*********************************************************************
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* @fn __get_DEBUG_CR
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*
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* @brief Return the DEBUGE Control Register
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*
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* @return DEBUGE Control value
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*/
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uint32_t __get_DEBUG_CR(void)
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{
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uint32_t result;
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__asm volatile("csrr %0,""0x7C0" : "=r"(result));
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return (result);
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}
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/*********************************************************************
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* @fn __set_DEBUG_CR
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*
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* @brief Set the DEBUGE Control Register
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*
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* @param value - set DEBUGE Control value
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*
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* @return none
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*/
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void __set_DEBUG_CR(uint32_t value)
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{
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__asm volatile("csrw 0x7C0, %0" : : "r"(value));
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}
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/*********************************************************************
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* @fn DBGMCU_Config
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*
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* @brief Configures the specified peripheral and low power mode behavior
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* when the MCU under Debug mode.
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*
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* @param DBGMCU_Periph - specifies the peripheral and low power mode.
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* DBGMCU_IWDG_STOP - Debug IWDG stopped when Core is halted
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* DBGMCU_WWDG_STOP - Debug WWDG stopped when Core is halted
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* DBGMCU_TIM1_STOP - TIM1 counter stopped when Core is halted
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* DBGMCU_TIM2_STOP - TIM2 counter stopped when Core is halted
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* NewState - ENABLE or DISABLE.
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*
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* @return none
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*/
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void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
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{
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uint32_t val;
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if(NewState != DISABLE)
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{
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__set_DEBUG_CR(DBGMCU_Periph);
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}
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else
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{
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val = __get_DEBUG_CR();
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val &= ~(uint32_t)DBGMCU_Periph;
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__set_DEBUG_CR(val);
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}
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}
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/*********************************************************************
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* @fn DBGMCU_GetCHIPID
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*
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* @brief Returns the CHIP identifier.
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*
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* @return Device identifier.
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* ChipID List-
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* CH32V203C8U6-0x203005x0
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* CH32V203C8T6-0x203105x0
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* CH32V203K8T6-0x203205x0
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* CH32V203C6T6-0x203305x0
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* CH32V203K6T6-0x203505x0
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* CH32V203G6U6-0x203605x0
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* CH32V203G8R6-0x203B05x0
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* CH32V203F8U6-0x203E05x0
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* CH32V203F6P6-0x203705x0-0x203905x0
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* CH32V203F8P6-0x203A05x0
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* CH32V203RBT6-0x203405xC
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* CH32V208WBU6-0x208005xC
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* CH32V208RBT6-0x208105xC
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* CH32V208CBU6-0x208205xC
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* CH32V208GBU6-0x208305xC
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*/
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uint32_t DBGMCU_GetCHIPID( void )
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{
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return( *( uint32_t * )0x1FFFF704 );
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}
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