静态数码管

#include "reg52.h"

typedef unsigned char u8;

sbit LSA = P2^2;
sbit LSB = P2^3;
sbit LSC = P2^4;

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

void main()
{ 
  LSA = 0;
  LSB = 0;
  LSC = 0;  //38译码器选择最后一个数码管
  P0 = smgduan[0];  //显示0
  while(1);
}