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Re: Strange troubles with emulation
From: |
Gary E. Miller |
Subject: |
Re: Strange troubles with emulation |
Date: |
Fri, 29 Jan 2021 14:36:53 -0800 |
Yo Владимир!
On Fri, 29 Jan 2021 23:46:30 +0300
Владимир Калачихин <v.kalachikhin@gmail.com> wrote:
> 29.01.2021 21:02, Gary E. Miller пишет:
> >>> gpsd knows that you can not have any fix at all with zero
> >>> satellites in use, so gpsd sets "No Fix" ("mode":1).
> >> I trust that You have a strong reason for this decision.
> > Looking in the logs, that has been there a long time. It is a good
> > sanity check. There is so much flakey NMEA that sanity checks are
> > good.
>
> Loran-C, of course, is obsolete, but gpsd may receive this via lan,
> for example. Her GGA sentence will have 0 sattelites.
Loran-C would have nothing, not zero, in that field, thus not an issue.
A recevier reporting Dead Reckoning would fail. If taht case came up,
that would then need a special case on the special care. That is how
driver_nmea0183 became little but special cases.
> > Easier to fix your GGA, set sats used to 4. One line of sed could
> > do that.
>
> Should it be understood that gpsd ignore checksum?
Nope, you would have to also fix the checksum. But that is easy.
RGDS
GARY
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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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- Re: Strange troubles with emulation, (continued)
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/22
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/22
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/22
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/22
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/27
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/28
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/29
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/29
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/29
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/29
- Re: Strange troubles with emulation,
Gary E. Miller <=
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/30
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/30
- Re: Strange troubles with emulation, Владимир Калачихин, 2021/01/21
- Re: Strange troubles with emulation, Gary E. Miller, 2021/01/21