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Re: Mode/Status not updated in shared mem mode
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From: |
Gary E. Miller |
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Subject: |
Re: Mode/Status not updated in shared mem mode |
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Date: |
Sat, 4 Jan 2025 13:24:38 -0800 |
Yo Hans!
On Sat, 4 Jan 2025 15:35:43 +0100
Hans Kurscheidt <lve0200@gmail.com> wrote:
> I'm using gpsd on Linux Debian Bookworm in shared mem mode and I have
> the following issue:
What vversion of gpsd is that?
> When the GPS device (uBloks) get for whatever reason disconnected
> from USB, the Status/Mode fields are not (anymore) updated.
Yeah. gpsd cnt' read a dead device. We are considering adding
telepathy to the next version.
> Checking
> these fields still shows Mode=3D and Status >0, hence my SW
> "believes" that the GPS is still active, but it isn't.
GIGO. Garbage In leads to Gabage Out. Or, in your case, nothing
in leads to nothing out. You are seeing the last valid thing sent
from your receiver.
> How can I become aware that my GPS device "has died".
Chack the timestamp of the dataset.
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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"If you can't measure it, you can't improve it." - Lord Kelvin