main.c

ARM9硬件接口学习 WatchDog 使用watchdog实现系统每隔2.66S左右就复位一次

#define rWATCNT (*(volatile unsigned short int *)(0x53000008)) 
#define rWATCON (*(volatile unsigned int *)(0x53000000))
#define rWATDAT (*(volatile unsigned short int *)(0x53000004))
int Main()
{
	rWATCON = 0x8039;
	rWATCNT = 0x0800;
	rWATDAT = 0x0800;

	
	while(1)
	{
//		rWATCNT=65535;
	}
	
	return 0;
}