Hi > On Apr 10, 2018, at 2:59 PM, Hal Murray <hmur...@megapathdsl.net> wrote: > > > kb...@n1k.org said: >> Yes, but looping back to the start of this thread, the intent is to actually >> measure the jitter directly. That’s where the whole need for a stamped >> pulse comes from. To paraphrase the earlier comments, the intent is to get >> away from a “self reported” result and actually do a direct measurement. > > I think that should be a reasonable project. > > 1) Write some code to grab the time, send a pulse, grab the time. Log that. > 2) Use a time-stamp counter to log the time of the pulse. > 3) Write the software to merge the two log files.
Provided you can get NTP (and not just the kernel) to time the pulse accurately it would work. It’s a bit more cumbersome than a message out of a serial port. Bob > > > -- > These are my opinions. I hate spam. > > > > _______________________________________________ > time-nuts mailing list -- email@example.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- firstname.lastname@example.org To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.