LED灯流水显示c语言程序 -

标题: LED灯流水显示c语言程序 [打印本页]

作者: blank 时间: 2016-12-22 16:31
标题: LED灯流水显示c语言程序
#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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