key.h

一个非常好的微处理器烧录EEPROM的C++ 原代码项目文件,直接可用,而且还是一拖八的, 成果奉献

#ifndef	KEY_H_
#define	KEY_H_

extern	BYTE	KeyData;
extern	struct
	{
		WORD     Delay;
		BYTE	WaitTime;
		BYTE	Stau;
		BYTE	ScanFlag;
		BYTE	ChekFlag;
		BYTE	OldKey;
	}	Keys;
extern	BYTE	Key_Func;
extern	BYTE	KeyUpContinue,KeyDownContinue,KeyLeftContinue,KeyRightContinue;
//extern function
void		ScanKey(void);
void		GetKey(void);
void		Chek_key(void);
#define	SCAN_DEF_FREQ		20

#define	SCAN_NO			0
#define	SCAN_DELAY			1
#define	SCAN_YES			2

#define	KEY_NO_KEY			0xff

#define	KEY_START			0x00

//define	KEY_Scan_Code
#define	KEY_SCAN_NOKEY		0xff
#define	KEY_SCAN_START		0x00
#endif