extern void  init_timer0(void) ;

extern void  rev_wave(void);

//extern void  RCC_init(void);

extern void  Rcv_IRKey(void);

typedef  union  _Red_Code
{
   struct _code
    {
      unsigned char  usercode_Low;
      unsigned char  usercode_high; 
      unsigned char  Key;
      unsigned char  Keyinverse;
    }staff;
   unsigned char Code[4];   
}Red_Code;


extern void IR_decode(void);