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Re: [gpsd-dev] [Patch Submission] $GPVTG w/magnetic course
From: |
Gary E. Miller |
Subject: |
Re: [gpsd-dev] [Patch Submission] $GPVTG w/magnetic course |
Date: |
Thu, 14 Jun 2018 15:56:36 -0700 |
Yo teyrana!
Can you submit about a 60 second capture file of your GPS output?
Hopefully with a nix of NO FIX, 2D and 3D fixes? I'll add it to
the 'scon check' so we can see how changes affect your application.
I Just pushed a simple update to your patch. It looks for the longer
GPVTG that has the mode field that your GPS lacks. I commented out
where it does the MODE_SET, but that is easy to undo.
Now we are down to the essential issue that needs fixing: getting the
report to not clobber other, better ata (mode, eps, etc.).
My guess is that we'll have to dig into the cycle detetion logic in
nmea_parse() to get a good solution. Yes, it is funcky in there, but
it is not black magic.
Also, did you have any luck replacing the deprecated GPGGA in your
GPS output
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
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"If you can’t measure it, you can’t improve it." - Lord Kelvin
pgp_AeUy9aYIo.pgp
Description: OpenPGP digital signature
Re: [gpsd-dev] [Patch Submission] $GPVTG w/magnetic course,
Gary E. Miller <=