convert-box-mcu/BSP/WDG.c

#include "WDG.h"

void WDG_Init(unsigned char Prer,unsigned short Rlr)
{
    IWDG->KR=0X5555;      //解除寄存器保护        
    IWDG->PR=Prer;         // 写入初始化分频值
    IWDG->RLR=Rlr;            // 写入自动装载值
    IWDG->KR=0XAAAA;     //开启寄存器保护
    IWDG->KR=0XCCCC;       //启动看门狗    
}

void WDG_Feed(void)
{
    IWDG->KR=0XAAAA;
}