GICR = (1<< INT0);

	MCUCR = (1 << ISC01) | (1<< ISC00 );//Page66
	ISR(INT0_vect)
{
	char signal2;
	signal2 = (PIND) & 0x40;
	if (signal2 == 0)
	{
		//printf_P(PSTR("b"));
		encoder = encoder+1 ;

	}
	else
	{
	//	printf_P(PSTR("f"));
		encoder = encoder -1;

	}

}