led.c

来自「基于msc单片机仿真机的仿真程序」· C语言 代码 · 共 23 行

#include"reg51.h"
#define uint unsigned int
#define uchar unsigned char
void del(uint v)
{
  while(v!=0)v--;
 }
void main(void)
{
  uchar i,j=0xFE;
  while(1)
  {
   for (i=0;i<8;i++)
    {
      P0=j;
      del(50000);
      j=j<<1;
     }
   j=0xFE;
  } 
 }