keyboardservice.h

实现51单片机的日历功能 用T2定时器作为基本时钟中断

#ifndef	_KEYBOARDSERVICE_H_
#define	_KEYBOARDSERVICE_H_

#define	S3	0xdf
#define	S4	0xbf
#define	S5	0x7f
extern unsigned char press_flag;
extern unsigned char key_value;
extern unsigned char display[4];
extern unsigned char min, hour;

void KeyBoardService();
void ModifyTime();
void AddTime();


#endif