main.c

来自「Keil C做的8个LED灯循环左移右移」· C语言 代码 · 共 40 行

#include <reg51.h>


void delay(unsigned int a)
{
 while(a--);
 }
void main()
{unsigned int i;
 P0=0xff;
 while(1)
  {   

      P0=0xff;
      for(i=0;i<=8;i++)
	  {
	  P0=P0<<1;
	  delay(10000);
	  }
      P0=0xff;
	   for(i=0;i<=8;i++)
	  {
	  P0=P0>>1;
	  delay(10000);
	  }
	    P0=0xe7;
		delay(10000);
        P0=0xC3;
		delay(10000);
		P0=0x81;
		delay(10000);
		P0=0x00;
	    delay(10000);
      }
 
  
}