power_timer1_enable();
DDRB |= _BV(PB4);
+ PORTB &= ~_BV(PB4);
// TCCR1 = _BV(CS10); // clk/1 = 1 MHz
TCCR1 = _BV(CS11) | _BV(CS13); // clk/512 = 2 kHz
static void pwm_susp()
{
TCCR1 = 0;
+ TIMSK = 0;
+ GTCCR = 0;
+ PORTB &= ~_BV(PB4);
}
ISR(TIM1_OVF_vect)