timer.c

我自己整理的单片机4*4键盘最简扫描算法

#include <reg52.h>
#include "type.h"
#include "timer.h"
#include "led.h"

void InitTimer0()
{
	//TH0 = TIMER0>>8;
	TH0 = WORDHI(TIMER0);
	//TL0 = TIMER0&0XFF;
	TL0 = WORDLO(TIMER0);
	ET0 = TRUE;
	TR0 = TRUE;
}

void Timer0(void) interrupt 1
{
	TH0 = WORDHI(TIMER0);
	TL0 = WORDLO(TIMER0);	
	LED_Server();
}