数码管

　　

 

 

共阴数码管码表转换方式,将得来的二进制数从下向上排列,然后转换为16进制得来的就是数码管码表

如要显示B在共阴电路中二进制为01011110  转换为16进制为,0X5e

 

 

#include<reg52.h>
sbit LA = P2^2;
sbit LB = P2^3;
sbit LC = P2^4;
typedef unsigned char u8;

u8 code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
                    0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00                        
                    };


void main()
{        
      LA = 0;
      LB = 0;
      LC = 0;
      P0 = smgduan[1];
      //while(1);
}