app timer event handlers not calledhttps://devzone.nordicsemi.com/f/nordic-q-a/2633/app-timer-event-handlers-not-calledPROBLEM: the event handlers are never called after app_timer_start called I have a design without the LFCLK XTAL. I initialize the stack with: static void ble_stack_init(void) { uint32_t err_code; // Initialize the SoftDevice handler moduleen-USTelligent Community 13Wed, 28 May 2014 17:58:40 GMTRE: app timer event handlers not calledhttps://devzone.nordicsemi.com/thread/10382?ContentTypeID=1Wed, 28 May 2014 17:58:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5234327d-4cbd-4a5d-976d-bea043a42a7dAnthony Ambuehl<p>I programmed in the s110 soft device one more time and now it is working. I&#39;m not sure what went wrong the first time. Possibly I was putting the softdevice into Region 1 instead of Region 0?</p><div style="clear:both;"></div>RE: app timer event handlers not calledhttps://devzone.nordicsemi.com/thread/10381?ContentTypeID=1Wed, 28 May 2014 17:44:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c03b808-25c6-42b0-982f-b0086022cc2fAnthony Ambuehl<p>additionally info: I checked the RTC1 counter value and it is not increasing. it is always 0. is there something special to make the rtc1 timer work without the LF XTAL?</p><div style="clear:both;"></div>