On Thu, Dec 03, 2020 at 03:10:47AM +0100, Alexandre Belloni wrote: > IIRC, used in conjunction with rtc_hctosys which also adds > inconditionnaly 500ms this can ends up with the system time > being one second away from the wall clock time which NTP will take quite > some time to remove. I can't remember the details, but this was not the intention. As long as systohc and hctosys exist then the design goal of rtclib should be to provide sub-second accuracy on the round trip of time through the RTC. Otherwise what is the point? Jason
