so sieht das ganze jetzt aus


Code:
void timer1_init(void)
{
	OCR1AL = 0xff;
	
	TCCR1A = (1<<WGM10)|(1<<COM1A1)|(1<<COM1A0)|(1<<CS11)| (1<<COM1B1) | (1<<COM1B0);;
	TCCR1B = (1<<CS11);
	
	TIMSK &= ~0x3c;