How to clear RTC interrupt?

[Texton]

Hi all,

I have an TICK interrupt on RTC1 on nRF51822, but the program keeps cycling in the interrupt - as if the interrupt is never cleared?

Here's my code:

void RTC1_IRQHandler(void) {

// Clear all events (also unexpected ones)
    NRF_RTC1->EVENTS_COMPARE[0] = 0;
    NRF_RTC1->EVENTS_COMPARE[1] = 0;
    NRF_RTC1->EVENTS_COMPARE[2] = 0;
    NRF_RTC1->EVENTS_COMPARE[3] = 0;
    NRF_RTC1->EVENTS_TICK       = 0;
    NRF_RTC1->EVENTS_OVRFLW     = 0;

//Also try to clear this way: 
    NRF_RTC1->INTENCLR = 0xff;
    NRF_RTC1->EVTENCLR = 0xff;

  //Run timers:
  SWTimers_timeouts_check();

  //Run scheduler:
  Scheduler_isr();

}

[Texton]

Found the problem.. Turns out that there was no prescaler on the RTC timer, and therefore the interrupt couldn't be executed fast enough.