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Re: Ignore nmea checksum - possible?
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From: |
Gary E. Miller |
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Subject: |
Re: Ignore nmea checksum - possible? |
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Date: |
Wed, 12 Jul 2023 11:09:06 -0700 |
Yo Andreas!
On Wed, 12 Jul 2023 15:57:13 +0200
Andreas B <panden@gmail.com> wrote:
> Question:
> Is there a way to make gpsd ignore the nmea checksum?
Nope. And for very good reasons. Serial lines have a lot of errors.
> Case:
> I've been playing with generated nmea sentences, and changing the
> coordinates, without calculating a (new valid) checksum.
Don't do that. Calculating checksums is easy.
> When using gpsfake, gpsd seems to refuse to output the nmea sentence
> when the checksum is invalid.
Yup, and for very good reasons.
> Here's what I tried:
[...]
> * Run gpsfake:
Save yourself a lot of unneeded complexity, just use gpsdecode.
> For testing purposes, it would be nice to be able to pass through nmea
> sentences, even if the checksum is invalid.
Not nice. Just fix your checksums.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
gem@rellim.com Tel:+1 541 382 8588
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