keypad.h

ATmegal128连接128*16的LCD模块的驱动程序

#define	KEY_NO_SCAN				0x07
#define	KEY_SCAN0				0xfe
#define	KEY_SCAN1				0xfd
#define	KEY_SCAN2				0xfb


#define	KEY_0					0		
#define	KEY_1					1		
#define	KEY_2					2		
#define	KEY_3					3		
#define	KEY_4					4		
#define	KEY_5					5		
#define	KEY_6					6		
#define	KEY_7					7		
#define	KEY_8					8		
#define	KEY_9					9		
#define	KEY_UP					17		
#define	KEY_DOWN				18		
#define	KEY_16					13		
#define	KEY_70					14		
#define	KEY_ENT					12		
#define	KEY_ESC					10		
#define	KEY_F					15		
#define	KEY_DISTRESS			16		
#define	NO_KEY					19	


extern byte KeyCheck(void);