wangfq
95808f9f25
- 用 DLD154V4B vd1_task/per_channel 替换 vds_task 复杂算法
- 移除 FUNCTION_B/二次判断/快速变化/多重确认等增强特性
- 保留平坦性离开算法 (CN200910309382)，每通道独立状态
- 灵敏度表改为 DLD154V4B 4级: {216,108,36,10} / {108,72,18,9}
- 清理废弃类型: FltHistoryManager, Loop_ACS_Info, StageRangeConfig 等
- 首次添加 vd960DBN 完整源码
142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_wwdg.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 WWDG 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_wwdg.h"
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#include "ch32v20x_rcc.h"
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/* CTLR register bit mask */
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#define CTLR_WDGA_Set ((uint32_t)0x00000080)
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/* CFGR register bit mask */
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#define CFGR_WDGTB_Mask ((uint32_t)0xFFFFFE7F)
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#define CFGR_W_Mask ((uint32_t)0xFFFFFF80)
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#define BIT_Mask ((uint8_t)0x7F)
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/*********************************************************************
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* @fn WWDG_DeInit
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*
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* @brief Deinitializes the WWDG peripheral registers to their default reset values
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*
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* @return none
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*/
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void WWDG_DeInit(void)
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{
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RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
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RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
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}
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/*********************************************************************
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* @fn WWDG_SetPrescaler
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*
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* @brief Sets the WWDG Prescaler
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*
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* @param WWDG_Prescaler - specifies the WWDG Prescaler
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* WWDG_Prescaler_1 - WWDG counter clock = (PCLK1/4096)/1
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* WWDG_Prescaler_2 - WWDG counter clock = (PCLK1/4096)/2
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* WWDG_Prescaler_4 - WWDG counter clock = (PCLK1/4096)/4
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* WWDG_Prescaler_8 - WWDG counter clock = (PCLK1/4096)/8
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*
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* @return none
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*/
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void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
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{
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uint32_t tmpreg = 0;
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tmpreg = WWDG->CFGR & CFGR_WDGTB_Mask;
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tmpreg |= WWDG_Prescaler;
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WWDG->CFGR = tmpreg;
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}
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/*********************************************************************
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* @fn WWDG_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 0x80
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*
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* @return none
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*/
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void WWDG_SetWindowValue(uint8_t WindowValue)
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{
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__IO uint32_t tmpreg = 0;
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tmpreg = WWDG->CFGR & CFGR_W_Mask;
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tmpreg |= WindowValue & (uint32_t)BIT_Mask;
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WWDG->CFGR = tmpreg;
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}
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/*********************************************************************
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* @fn WWDG_EnableIT
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*
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* @brief Enables the WWDG Early Wakeup interrupt(EWI)
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*
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* @return none
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*/
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void WWDG_EnableIT(void)
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{
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WWDG->CFGR |= (1 << 9);
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}
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/*********************************************************************
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* @fn WWDG_SetCounter
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*
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* @brief Sets the WWDG counter value
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*
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* @param Counter - specifies the watchdog counter value,which must be a
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* number between 0x40 and 0x7F
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*
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* @return none
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*/
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void WWDG_SetCounter(uint8_t Counter)
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{
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WWDG->CTLR = Counter & BIT_Mask;
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}
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/*********************************************************************
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* @fn WWDG_Enable
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*
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* @brief Enables WWDG and load the counter value
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*
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* @param Counter - specifies the watchdog counter value,which must be a
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* number between 0x40 and 0x7F
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* @return none
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*/
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void WWDG_Enable(uint8_t Counter)
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{
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WWDG->CTLR = CTLR_WDGA_Set | Counter;
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}
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/*********************************************************************
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* @fn WWDG_GetFlagStatus
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*
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* @brief Checks whether the Early Wakeup interrupt flag is set or not
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*
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* @return The new state of the Early Wakeup interrupt flag (SET or RESET)
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*/
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FlagStatus WWDG_GetFlagStatus(void)
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{
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return (FlagStatus)(WWDG->STATR);
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}
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/*********************************************************************
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* @fn WWDG_ClearFlag
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*
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* @brief Clears Early Wakeup interrupt flag
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*
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* @return none
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*/
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void WWDG_ClearFlag(void)
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{
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WWDG->STATR = (uint32_t)RESET;
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}
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