单片机数码管显示矩阵键盘检测程序

#include

#define uint16 unsigned int

#define uint8 unsigned char

//控制数码管段选锁存口

sbit P3_7=P3^7;

//共阴数码管显示

uint8 code table[]={0x3f,0x06,0x5b,0x4f,

                            0x66,0x6d,0x7d,0x07,

                            0x7f,0x6f,0x77,0x7c,

                            0x39,0x5e,0x79,0x71,0};