[LinuxPPS] [PATCH]

[Bernhard Schiffner]

On Friday 01 February 2008 17:55, Udo van den Heuvel wrote:
> Bernhard Schiffner wrote:
> > So having a PPS-line _and_ the NMEA-information is crucial.
>
> How can I implement this wisdom into my ntpd config?
> (garmin gps-18 lvc here...)

I own u-blox receivers. u-blox offers excellent documentation. I think it's 
the most detailed information about hard- and software of GPS-receivers, 
their design and peculiaries to get. Fun to read and worth a registration (no 
NDA!).
But nothing about programming NTPD-refclock software.

Because I'am not a programmer it's my _guess_ that the combination of PPS and 
NMEA is done in the NTPD GPS-refclockdrivers with "real" names  parsing their 
[special | NMEA] messages and have PPS-addition too.

if (this.NMEA[SV_inSight] >= "4") 
	this.pps_on()
else
	this.pps_off()
end

I wish we could meet to find this out together :-)

Bernhard
(in a hurry to resolve other things)