数码管显示1314-520（普中51-单核-A2）

#include

#include

typedef unsigned int uint;

typedef unsigned char uchar;

#define LED P0

sbit tube2=P2^2;

sbit tube3=P2^3;

sbit tube4=P2^4;

uint code num[]={0x3f , 0x06 , 0x5b , 0x4f , 0x66 , //高电平控制亮   //显示数字

0x6d , 0x7d , 0x07 , 0x7f , 0x6f };

void delay(uint i);

void run();

void main(){

while(1){

run();

}

}

void delay(uint i){

while(i--);

}

void run(){

tube2=1;tube3=1;tube4=1;

LED=num[1];

delay(100);

tube2=0;tube3=1;tube4=1;

LED=num[3];

delay(100);

tube2=1;tube3=0;tube4=1;

LED=num[1];

delay(100);

tube2=0;tube3=0;tube4=1;

LED=num[4];

delay(100);

tube2=1;tube3=1;tube4=0;

LED=0x40;

delay(100);

tube2=0;tube3=1;tube4=0;

LED=num[5];

delay(100);

tube2=1;tube3=0;tube4=0;

LED=num[2];

delay(100);

tube2=0;tube3=0;tube4=0;

LED=num[0];

delay(100);

}