App_timer and RTC Calendar example confliction

Question

I am using timer ( created with app_timer and started with period of 1 sec ) and ported RTC calendar example in it . But both features do not work together ( since RTC is used in both the example ) . I want to have a real time calendar which should print my current time with date -month- year and with that, periodically ,I need some timers( app timers) for sensor data acquisition and other task . So how can we achieve this ?

exampled used : ble_app_blinky ( ported RTC calendar and app timer )

SDK version : 15.3.0

Hardware : Nordic NRF 52 DK ( PCA10040)

exampled used : ble_app_blinky ( ported RTC calendar and app timer ) 
 SDK version : 15.3.0 
 Hardware : Nordic NRF 52 DK ( PCA10040)

man · Accepted Answer

I have solved the issue . 
 In the calendar example , 
 they are starting the LFCLK manually as below , 
 NRF_CLOCK->EVENTS_LFCLKSTARTED = 0; NRF_CLOCK->TASKS_LFCLKSTART = 1; while(NRF_CLOCK->EVENTS_LFCLKSTARTED == 0); 
 
 and I have ported this code in ble_blinky where softdevice starts the LFCLK by it's own . 
 So , we need to remove these lines of codes from two places , one from above and the other one from , 
 nrf_cal_init() function and make sure the calendar works on RTC2 , since app_timer uses RTC1 and softdevice takes RTC0 . 
 In this way we can able to run all three RTCs .

App_timer and RTC Calendar example confliction

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