N3_stm32/N3Drive/USER/iwag.c

#include "iwag.h"

void IWDG_Config(u8 prer,u16 rlr)
{
 IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);//使能对IWDG->PR IWDG->RLR的写
	
 IWDG_SetPrescaler(prer); //设置IWDG分频系数
	
 IWDG_SetReload(rlr); //设置IWDG装载值
 
 IWDG_ReloadCounter(); //reload
	
 IWDG_Enable(); //使能看门狗
}

void IWDG_Feed(void)
{
	IWDG_ReloadCounter();
}