//以下函數(shù)，如有需要時(shí)請參考

//串行送數(shù)
void send(unsigned char y)
{
   unsigned char i;

   for(i=0;i<8;i++){
	   SCK = 0;
	   if ((y&0x80)!=0){
	        SDA = 1;

            SCK = 1;
	   }else {
	    	SDA = 0;

            SCK = 1;
	   }
	   y=y<<1;
   }

}


void setINT0(unsigned char enable)
{
           //EX0 : 1-INT0 OPEN ;0-INT0 CLOSE
           PX0 = 1;
           IT0 = 0;   //LOW ENABLE
           if(enable)
           {
              EX0 = 1;// INT0 OPEN
           }
           else
           {
              EX0 = 0;// INT0 CLOSE
           }
}


void allowINT(unsigned char enable)
{
   EA  = enable;// ALLOW ALL INT(INT0 INT1)
}


// 中斷處理函數(shù)
//interrupt 0------ext 0 interrupt 1------time 0	interrupt 2------ext 1	interrupt 3------time 1interrupt 4------serial
void int0fun(void) interrupt 0
{

	while(!(INT0));
	F0 = !(F0);
	if(F0)
	{
		while(INT0);
	}

}