app_timer and RTC1

Question

Is it possible to use the RTC1 and app_timer simultaneously at nrf51822 with softdevice?

RK · Accepted Answer

app_timer uses RTC1, installs an IRQ handler for it, so you can't use RTC1 for a different purpose at the same time as app_timer, unless you modify the app_timer source. 
 RTC1 is not a restricted peripheral so it can be used with the softdevice and indeed many of the examples use app_timer.

app_timer and RTC1

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