On Tue, Oct 11, 2022 at 02:51:36PM +0200, Tino Mihajlovik wrote: > Yes it is special setup. > > We have custom board with GPS, DS3231, FT232RL and microprocessor. The idea > is that microprocesor always mimics the NMEA sequence together with the PPS > signal on the USB port. When GPS is stable the real NMEA message is just > forwarded together with the PPS signal. When GPS is not avialable the > microprocessor sends NMEA data that is stored to the DS3231.
Ok, that information should have been in your first mail. I guess you could provide to chrony two pairs of SHM+PPS refclocks, one using your RTC and another the real GPS, which could be marked as trusted, so if both are working, the RTC-based on will be ignored. -- Miroslav Lichvar -- To unsubscribe email chrony-users-requ...@chrony.tuxfamily.org with "unsubscribe" in the subject. For help email chrony-users-requ...@chrony.tuxfamily.org with "help" in the subject. Trouble? Email listmas...@chrony.tuxfamily.org.
