Function ost_event

core/timers.c:15–20

general_timers_state_t gpt;

static void ost_event(enum sched_item_id id) {
    static const int ost_ticks[4] = { 73, 153, 217, 313 };
    intrpt_set(INT_OSTIMER, gpt.osTimerState);
    sched_repeat(id, gpt.osTimerState ? 1 : ost_ticks[control.ports[0] & 3]);
    gpt.osTimerState = !gpt.osTimerState;
}

static uint32_t gpt_peek_counter(int index) {
    enum sched_item_id id = SCHED_TIMER1 + index;