main.c

STR71X系列ARM微控制器原理与实践配套光盘

#include "71x_lib.h"
#include "LED.h"
#include "Key.h"

void Delay(void)
{
	int i;
	for(i = 0; i < 0x20000; i++);
}

void __main(void)
{
	
#ifdef DEBUG
	debug();
#endif

	
	
	LED_Init();
	Key_Init();

	LED_Set(0, LED_ON), Delay(), LED_Set(0, LED_OFF);
	LED_Set(1, LED_ON), Delay(), LED_Set(1, LED_OFF);
	LED_Set(2, LED_ON), Delay(), LED_Set(2, LED_OFF);
	LED_Set(1, LED_ON), Delay(), LED_Set(1, LED_OFF);
	LED_Set(0, LED_ON), Delay(), LED_Set(0, LED_OFF);

	WDG_PrescalerConfig(0xFF);
	WDG_CntReloadUpdate(0x3FFF);//Update the counter pre-load value 0x3FFF.

	WDG_Enable();

	while(1)
	{
		Delay();
		if(!Key_GetAll())
			WDG_CntRefresh();//Refresh and update the WDG counter to avoid a system reset
		
		LED_Set(0, LED_TOGGLE);
		
	}
}