#ifdef __SRC
	 #define EXTERN
#else
	 #define EXTERN		extern
#endif

#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_ENTER   		10
#define  KEY_CANCELL      	11
#define  KEY_ADD      		12
#define  KEY_SUB      		13
#define  KEY_UP      		14
#define  KEY_DOWN      		15



#define  KEY_DOUBLE_101       101
#define  KEY_DOUBLE_102       102

#define  KEY_DOUBLE_128       128
#define  KEY_DOUBLE_129       129




#define  KEY_NULL      		0xff






EXTERN void DelayNS_forKey(uint32  dly);

EXTERN uint8 ScanKey(void);

#undef EXTERN