a.c

用于给予周立功试验箱的走马灯c语言源码

#include"reg51.h"

char tab[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
void delay()   //延时
{
   int i;
   for(i=0;i<50000;i++)
   {;}
}
void main()
{
   char i;
   for(i=0;;i++)
   {   
    i=i%8;
    P1=tab[i]; //逐个点亮LED
    delay();
   }
}