[LinuxPPS] Problem with motorola oncore

Robert Diak rdiak at robertdiak.net
Wed Aug 6 22:14:03 CEST 2014


W dniu 06.08.2014 21:53, Chris Albertson pisze:
> You only have one reference clock.  Add at least a few pool servers.
> Add in these lines
>
> server 0.ubuntu.pool.ntp.org
> server 1.ubuntu.pool.ntp.org
> server 2.ubuntu.pool.ntp.org
>
> The best way to know if an NTP server is working is to verify all the
> reference clocks are telling you the same thing.  With just one it is
> hard to do that.
>
> Also we still don't know how the PPS is connected.  There is a pin on
> the Oncore and there is a pin on your computer's serial port.  What is
> between the two pins.
>
> Also there is a clockstat file that tells you what the reference
> clocks are doing.

Hello
I added other serwers and is this situation. A big offest for oncore.

      remote           refid      st t when poll reach   delay   offset 
  jitter
==============================================================================
xGPS_ONCORE(0)   .PPS.            0 l    7   16   77    0.000  895.996 
632.439
  ip-223-4.ists.p 213.222.200.99   2 u   38   64    3   48.302  127.909 
  14.070
  178.252.19.225. 212.244.36.228   2 u   37   64    3   10.194  138.609 
  15.319
  vm4.danmar-comp 213.135.59.38    3 u   34   64    3   36.657  124.981 
  17.821

When i should connect PPS signal from motorola ? To DCD pin on serial port ?


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