040000 tree b050b7b23263af63c92130378ab822d1060fdd9e	counter_basic_api
040000 tree 55d2f333067b9e3d46a28634e4b2108e38eb5c7e	counter_nrf_rtc
040000 tree 748c33c91efdfb134e386d63a42fe63cf0bef5ac	counter_seconds
040000 tree b4db89512c2f1238e5d02dfdfa77340d45256ece	maxim_ds3231_api