[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [gpsd-dev] Missing Number of Used Satellites
|
From: |
Gary E. Miller |
|
Subject: |
Re: [gpsd-dev] Missing Number of Used Satellites |
|
Date: |
Mon, 21 Jan 2019 19:30:36 -0800 |
Yo Neustifter!
On Mon, 21 Jan 2019 12:49:41 +0000
Neustifter Andreas <address@hidden> wrote:
> we have a u-blox NEO M8N chip connected via tty and used in binary
> mode. When decoding the UBX_NAV_SOL message the number of satellites
> is read in
> driver_ubx.c:358<http://git.savannah.gnu.org/cgit/gpsd.git/tree/driver_ubx.c?id=87222d0aba681b87980e7bc602cee84a5361a77e#n358>
Yes.
> but the mask is not updated with SATELLITES_SET.
Yes. That is intentional.
> Attached patch fixes that.
SATELLITES_SET is for when the skyview is updated. UBX-NAV-SOL does not
update the skyview. No skyview, no need for seen/used.
session->gpsdata.satellites_used is also updated when UBX-NAV-SAT messages
are decoded. That is where SATELLITES_SET is set.
If SATELLITES_SET is set in UBX-NAV-SOL is updated then the skyview
can blink on and off in cgps.
So I'll pass on this patch. Is there a case where a gpsd client is not
getting the sallellites_used set?
BTW, UBX-NAV-SOL is deprecated by u-blox. When gpsd gets the u-blox
initialization under control it will switch to UBX-NAV-PVT for newer
u-blox.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
address@hidden Tel:+1 541 382 8588
Veritas liberabit vos. -- Quid est veritas?
"If you can’t measure it, you can’t improve it." - Lord Kelvin
pgplx8FOsA67t.pgp
Description: OpenPGP digital signature