标题: C51 LED灯向右循环点亮 [打印本页]

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作者: gaoll    时间: 2018-8-6 15:02
标题: C51 LED灯向右循环点亮

#include<reg52.h>


void Delay(unsigned int t); //oˉêyéùÃ÷


void main (void)
{

unsigned char i
Delay(50000);
P1=0x7f;         
while (1)      
  {
for(i=0;i<8;i++)
  {
   Delay(50000);
   P1>>=1;
   P1=P1|0x80;   
  }
  P1=0x7f;           }
}void Delay(unsigned int t)
{
while(--t);
}

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