040000 tree 0913379da6c61be9ffcc9409fab8fcca17bf3bd8	counter_basic_api
040000 tree d9809eb472a5a0d5bdf5b00f826297f194b82fc7	counter_nrf_rtc
040000 tree 748c33c91efdfb134e386d63a42fe63cf0bef5ac	counter_seconds
040000 tree b4db89512c2f1238e5d02dfdfa77340d45256ece	maxim_ds3231_api