单片机矩阵键盘1602显示(共6页).docx

#include #include #define uchar unsigned char#define uint unsigned intuchar dis_buf; /显示缓存uchar temp;uchar key; /键顺序吗void delay0(uchar x); /x*0.14MSsbit LCD_RW = P25;sbit LCD_RS = P26; sbit LCD_EN = P27;uchar cdis116 = KEY NUMBER ;uchar cdis216 = KEY-CODE: H ;#define delayNOP(); _nop_();_nop_();_nop_();_nop_();/*