040000 tree 5f9e7105c07e9124628a72cb4562c67fb922d53d	counter_basic_api
040000 tree 93aba513d453448f28446b7119c315f12ed96db9	counter_nrf_rtc
040000 tree 748c33c91efdfb134e386d63a42fe63cf0bef5ac	counter_seconds
040000 tree b4db89512c2f1238e5d02dfdfa77340d45256ece	maxim_ds3231_api