#define	DOWN		0
#define	UP		1
#define	ON		0
#define	OFF		1

sbit KEY	=P0^4;
sbit MICKEY	=P0^5;
sbit MICLED	=P2^0;
/*
sbit KEY	=P3^2;
sbit MICKEY	=P3^4;
sbit MICLED	=P1^0;
*/
void InitTimer2();
void KeyStatus(void);
void KeyDeal(void);
void Setkeyvalue(unsigned char value);