标题: 单片机流水灯 [打印本页]

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作者: 983684119    时间: 2016-1-8 15:19
标题: 单片机流水灯

#include<reg52.h>


void Delay(unsigned int t);

void main (void)
{

unsigned char i;  
Delay(50000);
P0=0x7f;         
while (1)        
  {
for(i=0;i<8;i++)   
  {
   Delay(50000);
   P0>>=1;
   P0=P0|0x80;     
  }
  P0=0x7f;           

  }
}

void Delay(unsigned int t)
{
while(--t);
}

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