Hi Yes time stamping is pretty much a requirement for a 1588 card. The BIG question is weather the card will accept / generate a pps signal.
Bob Sent from my iPhone On Jun 7, 2013, at 9:52 PM, [email protected] wrote: > Well you sent me on a search. I know virtually zip about ptp, but this page > lists a few ethernet cards that allow time stamping. Is this the same as > having a 1588 card? > > https://github.com/richardcochran/linuxptp-as/blob/master/README.org > > -----Original Message----- > From: Doug Calvert <[email protected]> > Sender: [email protected] > Date: Fri, 7 Jun 2013 20:58:20 > To: Discussion of precise time and frequency measurement<[email protected]> > Reply-To: Discussion of precise time and frequency measurement > <[email protected]> > Subject: [time-nuts] Cheap 1588 cards Was: Re: Net4501 > > On Thu, Jun 6, 2013 at 8:48 PM, Bob Camp <[email protected]> wrote: > >> 1588 compatible network cards are capable of time stamping everything >> that goes in and out. They are pretty common these days both as stand >> alone cards and as peripherals on MCU's. There's no real need to do >> hardware, just come up with drivers (and all the other software goop) >> to make them work with NTP. More or less the same work you would have >> had to do once the FPGA was done and debugged. >> >> Bob > > > Can anyone recommend a cheap 1588 compatible card? I just recently saw > that the linux kernel PPS support for the cards. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
