[ntp:hackers] type 8 PPSAPI patch report
gnu not unix
gnu at wraith.sf.ca.us
Thu Nov 18 16:15:30 PST 2004
Hi Folks--
I've found the ppsapi patch for the GENERIC (type 8) refclock
on bugzilla and applied it here. So far it seems to be working
well with a surplus Trimble SV6 in TSIP mode. Here's a sample
billboard:
remote refid st t when poll reach delay offset jitter
==============================================================================
*GPS_NMEA(0) .GPS. 0 l 367 512 377 0.000 -0.001 0.005
+GENERIC(0) .GPS. 0 l 10 64 377 0.000 0.014 0.003
+wraith.wraith.s .GPS. 1 u 389 512 377 0.197 0.017 0.012
+thrall.wraith.s .GPS. 1 u 385 512 377 0.189 0.026 0.005
+smidge.wraith.s .GPS. 1 u 9 64 377 0.295 0.002 0.018
I'm not sure why the NMEA refclock is "stepping out" its polling
interval, but the generic driver looks very good so far.
I did use the tsipchat program to put the SV6 into "time only"
mode before firing up ntpd.
Thanks for the patch!
../Steven
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