040000 tree 62da8d4919496ed9dc19861d165bb39d1b25a924	counter_basic_api
040000 tree 1c7a7696f387d6f853ec0f8b9d2f8a2374fbfd99	counter_nrf_rtc
040000 tree 748c33c91efdfb134e386d63a42fe63cf0bef5ac	counter_seconds
040000 tree b4db89512c2f1238e5d02dfdfa77340d45256ece	maxim_ds3231_api