led.c

51系列单片机在基本的开发例程

/* t06.c 数码管显示0—f */
#include <reg51.h>
unsigned int i,j,k;
unsigned char led[16]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
                        0x88,0x83,0xc6,0xa1,0x86,0x8e};	/* 0-f 编码 */

delay(i)
{ while(i--)
   { j=7650;while(j--);}
}

void main(void)
{ while(1)
   { for(i=0;i<=15;i++)
      { P2=led[i];
        delay(10);
      }
   }
}