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[gpsd-users] GBS sentence being output by u-blox despite being explicitl
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From: |
Michael Procca |
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Subject: |
[gpsd-users] GBS sentence being output by u-blox despite being explicitly disabled |
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Date: |
Wed, 07 Nov 2012 18:27:24 -0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 |
In my start up script, I explicitly disable GBS sentences with the
following:
echo -ne '$PUBX,40,GBS,0,0,0,0,0,0*4D\r\n' | socat stdin
open:/dev/ttyS3,b9600,raw
And later start gpsd as follows:
/usr/sbin/gpsd /dev/ttyS3
but GBS sentences are still output by u-blox AMY 5 chip.
However, if I use the -b option:
/usr/sbin/gpsd -b /dev/ttyS3
Then GBS sentences are never output.
According to u-blox support, GBS sentences are disabled by default and I
have searched through the gpsd source code (gpsd-2.96) and cannot find a
UBX,40 message enabling GBS nor a UBX-CFG-MSG. I've read on the FAQ of
some devices going catatonic unless the -b option is used - though it
might be a stretch for it to trigger enabling of GBS.
Has anybody else had this problem and know why the -b option solves it?
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Michael Procca Software Developer Iders Incorporated 27047 Oakwood Road
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- [gpsd-users] GBS sentence being output by u-blox despite being explicitly disabled,
Michael Procca <=