4*4矩阵键盘按下对应按键后显示相应数字设计实现

要求4*4矩阵键盘，按下对应按键后，数码管显示相应数字proteus 仿真图代码1.初始化#include #define uint unsigned int#define uchar unsigned charuchar code keycd[]={0xee,0xde,0xbe,0x7e, 0xed,0xdd,0xdd,0x7d, 0xeb,0xdb,0xbb,0x7b, 0xe7,0xd7,0xb7,0x77};//矩阵键盘u