44矩阵键盘C程序设计 #i nclude#define uint unsigned int#define uchar unsigned char#define duank P1 //键盘到单片机的端口//DB 50H,1CH,39H,16H,38H,78H,70H,0FEH,0EFH,0FFH;A B, C, D, E, ,F ,P, -, ,.... 2023-06-13 44矩阵键盘C程序文章软件开发程序设计
44键盘检测程序(按下键后相应的代码显示在数码管上) /** 平台: Keil U3 + STC89C52* 名称:4*4键盘检测程序,按下键后相应的代码显示在数码管上*/#includesbit beep=P2^3;sbit dula=P2^6;sbit wela=P2^7;unsigned char i=100;unsigned char j,k,temp,key;void delay(unsigned... 2023-06-13 44键盘检测程序数码管文章软件开发程序设计