[LinuxPPS] Re: [Bug 610] Generic NMEA GPS Receiver driver w/ PPS
expects PPS after NMEA data
Udo van den Heuvel
udovdh at xs4all.nl
Sun Oct 28 08:53:25 CET 2007
Frank Kardel via the NTP Bugzilla wrote:
> So I suggest:
> - test if you can open /dev/gpsppsX and to a pps_create first
> - if that succeeds use it else
> - try the pps_create on the master device
> that way you can overrule the master device by *configuring* the
> pps device in the file system.
So first open /dev/gpspps0 to get PPS there
- if it fails, use /dev/gps0 next
- if it succeeds get PPS
Then open /dev/gps0 to get NMEA and *optionally* PPS
Is this the right approach?
> - change the name of the pps device to /dev/gpsppsX
Easy.
> - fix the documentation for this clock to reflect the new semantics
Interesting!
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