use arduino_hal::pac::TC0;

pub fn segment_timer_init(tc0: TC0, counts: u8) {
    // Use CTC mode: reset counter when matches compare value
    tc0.tccr0a.write(|w| w.wgm0().ctc());
    // Set the compare value
    tc0.ocr0a.write(|w| w.bits(counts));
    // Slow down the timer (CLK / prescale)
    tc0.tccr0b.write(|w| w.cs0().prescale_1024());
    // Raise interrupt on reset
    tc0.timsk0.write(|w| w.ocie0a().set_bit());
}