用AT89C51单片机控制两位8段LED数码管采用动态显示的方式显示出201211458

#include "reg51.h"

#define uchar unsigned char

uchar display_code[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};

uchar time[8]={2,0,1,2,1,1,4,5};

//uchar time[3]={0,0,0};

void delay(void)

{

 uchar i;

 for(i=250;i>0;i--);

}

void display()

{

 P2=0x80;

 P0=display_code[time[0]];

 delay();

 P2=0x00;

  P2=0x40;

 P0=display_code[time[1]];

 delay();

 P2=0x00;

  P2=0x20;

 P0=display_code[time[2]];

 delay();

 P2=0x00;

  P2=0x10;

 P0=display_code[time[3]];

 delay();

 P2=0x00;

  P2=0x08;

 P0=display_code[time[4]];

 delay();

 P2=0x00;

  P2=0x04;

 P0=display_code[time[5]];

 delay();

 P2=0x00;

  P2=0x02;

 P0=display_code[time[6]];

 delay();

 P2=0x00;

  P2=0x01;

 P0=display_code[time[7]];

 delay();

 P2=0x00;

}

void main(void)

{

uchar i;

while(1)

{

for(i=0;i<100;i++)

{

display();

}

}

}