85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/**
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******************************************************************************
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* @file wdt_main.c
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* @author TMC Scan Team
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* @version V1.0.0
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* @date 09/12/2019
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* @brief
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******************************************************************************
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, TMC SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2016 TMC</center></h2>
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******************************************************************************
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**/
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#include "global.h"
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WDT_InitTypeDef gWDTInit;
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static void WDTAlarmModeInit(void)
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{
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/* Alarm reset system after the WDT count overflow */
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gWDTInit.Mode = WDT_MODE_ALARM;
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/* Set Initial value */
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gWDTInit.Loadvalue = WDTTIMEOUT;
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WDT_Init(WWDT, &gWDTInit);
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WDT_Cmd(WWDT, ENABLE);
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return;
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}
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static void WDTHardwareInit()
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{
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NVIC_EnableIRQ(WWDT_IRQn);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_WDT, ENABLE);
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RCC_WWDTClockConfig(RCC_WWDT_CLKSRC_HSI, 0, ENABLE);
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RCC_WDTResetSystemCmd(RCC_ALARM_RSTEN_WWDT, ENABLE);/*如果开启 要考虑不喂狗会直接系统复位，每次复位会再次复位 debug功能会失效*/
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}
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/**
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* @function AppWDTInit
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* @brief 看门狗初始化
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* @return 无
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*/
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void AppWDTInit(void)
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{
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/*看门狗硬件初始化*/
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WDTHardwareInit();
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/*看门狗模式初始化*/
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WDTAlarmModeInit();
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}
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/**
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* @function AppCloseWDT
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* @brief 关看门狗
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* @return 无
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*/
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void AppCloseWDT(void)
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{
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NVIC_DisableIRQ(WWDT_IRQn);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_WDT, DISABLE);
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RCC_WWDTClockConfig(RCC_WWDT_CLKSRC_HSI, 0, DISABLE);
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RCC_WDTResetSystemCmd(RCC_ALARM_RSTEN_WWDT, DISABLE);/*如果开启 要考虑不喂狗会直接系统复位，每次复位会再次复位 debug功能会失效*/
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}
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/**
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* @function AppCloseWDT
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* @brief 看门狗喂狗
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* @return 无
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*/
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void AppRefreshWDT(void)
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{
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/* 喂狗 */
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WDT_FeedDog(WWDT, &gWDTInit);
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}
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