4×4键盘仿真程序及pcb

#include #define uchar unsigned char #define uint unsigned int uchar buff,times,j; unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f, //0,1,2,3 0x66,0x6d,0x7d,0x07, //4,5,6,7 0x7f,0x6f,0x77,0x7c, //8,9,A,B