d95af918fa
lots of code copied over, things filled in to hopefully get the LED matrix lighting up. untested.
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32x035_awu.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2023/04/06
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* Description : This file provides all the AWU 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 "ch32x035_awu.h"
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/* PSC registers bit mask */
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#define AWUPSC_MASK ((uint32_t)0xFFFFFFF0)
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/* WR register bit mask */
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#define AWUWR_MASK ((uint32_t)0xFFFFFFC0)
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/*********************************************************************
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* @fn AutoWakeUpCmd
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*
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* @brief Enables or disables the Auto WakeUp functionality.
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*
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* @param NewState - new state of the Auto WakeUp functionality
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* (ENABLE or DISABLE).
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*
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* @return none
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*/
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void AutoWakeUpCmd(FunctionalState NewState)
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{
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if(NewState)
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{
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AWU->CSR |= (1 << 1);
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}
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else
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{
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AWU->CSR &= ~(1 << 1);
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}
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}
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/*********************************************************************
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* @fn AWU_SetPrescaler
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*
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* @brief Sets the Auto Wake up Prescaler
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*
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* @param AWU_Prescaler - specifies the Auto Wake up Prescaler
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* AWU_Prescaler_1 - AWU counter clock = LSI/1
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* AWU_Prescaler_2 - AWU counter clock = LSI/2
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* AWU_Prescaler_4 - AWU counter clock = LSI/4
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* AWU_Prescaler_8 - AWU counter clock = LSI/8
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* AWU_Prescaler_16 - AWU counter clock = LSI/16
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* AWU_Prescaler_32 - AWU counter clock = LSI/32
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* AWU_Prescaler_64 - AWU counter clock = LSI/64
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* AWU_Prescaler_128 - AWU counter clock = LSI/128
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* AWU_Prescaler_256 - AWU counter clock = LSI/256
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* AWU_Prescaler_512 - AWU counter clock = LSI/512
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* AWU_Prescaler_1024 - AWU counter clock = LSI/1024
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* AWU_Prescaler_2048 - AWU counter clock = LSI/2048
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* AWU_Prescaler_4096 - AWU counter clock = LSI/4096
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* AWU_Prescaler_10240 - AWU counter clock = LSI/10240
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* AWU_Prescaler_61440 - AWU counter clock = LSI/61440
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*
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* @return none
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*/
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void AWU_SetPrescaler(uint32_t AWU_Prescaler)
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{
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uint32_t tmpreg = 0;
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tmpreg = AWU->PSC & AWUPSC_MASK;
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tmpreg |= AWU_Prescaler;
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AWU->PSC = tmpreg;
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}
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/*********************************************************************
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* @fn AWU_SetWindowValue
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*
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* @brief Sets the WWDG window value
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*
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* @param WindowValue - specifies the window value to be compared to the
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* downcounter,which must be lower than 0x3F
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*
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* @return none
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*/
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void AWU_SetWindowValue(uint8_t WindowValue)
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{
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__IO uint32_t tmpreg = 0;
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tmpreg = AWU->WR & AWUWR_MASK;
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tmpreg |= WindowValue;
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AWU->WR = tmpreg;
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}
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