$(SDK_ROOT)/components/libraries/atomic_fifo/nrf_atfifo.c \ $(SDK_ROOT)/components/libraries/timer/app_timer2.c \ $(SDK_ROOT)/components/libraries/timer/drv_rtc.c \ $(SDK_ROOT)/components/libraries/sortlist/nrf_sortlist.c \ $(SDK_ROOT)/components/libraries/atomic_fifo \ $(SDK_ROOT)/components/libraries/sortlist \ $(SDK_ROOT)/components/libraries/timer \ APP_CFLAGS += -DAPP_TIMER_V2 APP_CFLAGS += -DAPP_TIMER_V2_RTC1_ENABLED