On 2010-02-01, Chris Adams <[email protected]> wrote: > Once upon a time, David Lord <[email protected]> said: >>problem with ntpd refclock and pps via parallel port > > Just as an FYI: I'm using a GPS (SVeeSix) with PPS into a parallel port > under Linux (using user-mode SHMPPS instead of PPS kernel), and it works > fine. I typically see offsets from network clock sources under 1 ms.
I use the parallel port as well ( my own interrupt service routine, and shmpps to deliver the time to ntp) and get typically 1-10usec accuracy. > _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
