h_5_1.c

单片机硬件实验代码

#include <reg51.h>

int i = 0;
int count = 0;
int array[2]={0xaa,0x55};

void timer0() interrupt 1
{
	if (count%10==0)
	{
		i++;
		count = 0;
	}
	
	TH0 = 0xD8;
	TL0 = 0XF0;
	i = i % 2;
	P1 = array[i];
	count ++;
}

void main()
{	
	TMOD = 0x1;
	TH0 = 0xD8;
	TL0 = 0XF0;
	EA = 1;
	ET0 = 1;
	TR0 = 1;
	while(1)
	{		
	}
}