text1.c

来自「这是我以前做过的51单片机实验代码」· C语言 代码 · 共 35 行

#include<reg51.h>
  int wc;
  sbit p10=P1^0;
 void timer() interrupt	 1
  {	
   
    wc++;
    TH0 = (65536-50000)/256;
	TL0 = (65536-50000)%256;
		
	}
  
void main()
{
while(1)
{
	P1=0x00; 
	TMOD = 0x01;
	TH0 = (65536-50000)/256;
	TL0 = (65536-50000)%256;

	ET0=1;
	EA = 1;
    TR0 = 1;
	
  while(1)
  {
	if(wc==20)
	{wc=0;
	P1=0xff-P1;
	
	 }
}
}
   }