標(biāo)題: LED燈流水顯示c語(yǔ)言程序 [打印本頁(yè)]
作者: blank    時(shí)間: 2016-12-22 16:31
標(biāo)題: LED燈流水顯示c語(yǔ)言程序
#include"reg52.h"
typedef unsigned char uchar;
typedef unsigned int uint;
#define led P2
sbit key=P3^0;
void delay (uint i)
{
uint k;
for(k=0;k<i;k++);
}
void main()
{
uchar i,w;
led=0xff;
w=0x01;
while(1)
{
  if(key==0)
  {
   delay(1200);
   if(key==0)
   {
    while(!key);
    for(i=0;i<8;i++)
    {
     led=~w;
     delay(10000);
     w<<=1;
    }
    w=0x01;
   }
  }
  else
  {
   led=0xff;
  }
}
}




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