Using app_timer_cnt_get(), always get 0

[eddy]

I'm trying to get a time stamp using app_timer_cnt_get(&ticks), but the ticks always equals 0. And I have called APP_TIMER_INIT() to init the app timer. I have no idea why. Someone can help?

[RK]

Have you set up a timer and called app_timer_start() on it? RTC1 doesn't run unless there's an active timer.

[eddy]

I have called app_timer_start(m_battery_timer_id, BATTERY_LEVEL_MEAS_INTERVAL, NULL), any other clue ? Thanks!