[LinuxPPS] gps & offset

[Folkert van Heusden]

The toggling between "offline" and "online" in the statusbar at the
bottom of the screen tells you this.

When ntpd runs, I get the following logging in dmesg:
PPS_GETCAP: source 0
PPS_SETPARAMS: source 0
PPS_GETCAP: source 0
PPS_SETPARAMS: source 0
PPS event on source 0 at 1200341658.998562934
capture assert seq #4204 for source 0
PPS event on source 0 at 1200341659.98574046
capture clear seq #4204 for source 0
PPS_FETCH: source 0
timeout 0.000000000
PPS event on source 0 at 1200341659.998569183
capture assert seq #4205 for source 0
PPS event on source 0 at 1200341660.98577958
capture clear seq #4205 for source 0
PPS_FETCH: source 0
timeout 0.000000000
PPS event on source 0 at 1200341660.998574782
capture assert seq #4206 for source 0
PPS event on source 0 at 1200341661.98582357
capture clear seq #4206 for source 0
PPS_FETCH: source 0
timeout 0.000000000
PPS event on source 0 at 1200341661.998579475
capture assert seq #4207 for source 0
PPS event on source 0 at 1200341662.98593001
capture clear seq #4207 for source 0


On Mon, Jan 14, 2008 at 08:09:50PM +0000, Paul wrote:
> Yes, but all of this stuff about $PGRMC is nmea data (which we think
> works OK), not the PPS. I don't see quite how minicom is telling you
> that the DCD is toggling, as the data that appears relates again to the
> nmea. The only sure way would to look at the clear/asserts.
> 
> Paul
> 
> On Mon, 2008-01-14 at 20:35 +0100, Udo van den Heuvel wrote:
> > Folkert van Heusden wrote:
> > > Can others who also have a Garmin 18 LVC please give me the output of
> > > sending the '$PGRMCE' commando (without quotes, you might need to press
> > > enter twice in minicom)?
> > > 
> > > Mine is:
> > > $PGRMC,A,12.3,100,,,,,,A,3,1,2,4,30*63
> > 
> > $PGRMC,A,39.3,100,,,,,,A,3,1,2,9,30*67
> > 
> > 
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> > 
> 
> 
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Folkert van Heusden

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