[time-nuts] thunderbolt for ntpd or gpsd
Wayne Knowles
w.knowles at xtra.co.nz
Sat Jun 14 19:59:45 EDT 2008
Tim, Chris,
Over a month ago I experimented with getting GPSD and the Tunderbolt working
together.
I quickly added support for the missing TSIP packet types, and was able to get
xgps to display lat, long, time and constellation status. I did manage to
get NTP to work, have not invested the time into getting the 1PPS signal
working under FreeBSD yet.
I have attached my patches against the gpsd source repository. Note that I
did not invest much time understanding the internals of gpsd beforehand so
some aspects may not be fully implemented.
--
Wayne ZL2BKC
On Fri, Jun 13, 2008 at 8:58 AM, Christian Vogel <vogelchr at vogel.cx> wrote:
> gpsd: GPS Time 485697.250000 1483 14.000000
that's encouraging
> gpsd: Sat info: mode 1, satellites used 5: 18 9 28 15 26
As is this.
> gpsd: Unhandled TSIP superpacket type 0xab
"thar's yer problem"... kinda.
yes, we don't handle 0xAB, but that's just timing information. I see
no indication that the receiver is outputting position reports. I
should have this sorted a few hours after my Thunderbolt arrives.
Guess I need to prod the receiver into telling me where it thinks it
is.
> Unfortunately, it does not show any information about time or position on
> a connected cgps/xgps client.
>
> Chris
>
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