矩阵键盘键值在数码管上进行显示
#includetypedef unsigned int uint;typedef unsigned char uchar;sbit BEEP=P3^3;uchar code smg_tab[]={0x28,0x7e,0xa2,0x62,0x74,0x61,0x21,0x7a,0x20,0x60,0x30,0x25,0xa9,0x26,0xa1,0Xb1};//延时函数void _del...
DS18B20与数码管程序
#include#define uint unsigned int#define uchar unsigned charsbit DQ=P2^0;//P2^0uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//不带小数点uchar code tab1[]={0x40,0x79,0x24,0x30,0...
AVR单片机学习(五)按键与数码管的程序设计