jidianqi.c

来自「52单片机开发板的实例程序」· C语言 代码 · 共 20 行

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char 
sbit jidianqi=P3^7;
void delay(uint k)
{
  uint i;
  for(;k>0;k--)
  for(i=110;i>0;i--);
}
void main()
{
   while(1)
   {
    jidianqi=1;
    delay(1000);
    jidianqi=0;
    delay(1000);
   }
}