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Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U
From: |
Gary E. Miller |
Subject: |
Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U |
Date: |
Thu, 12 Mar 2015 09:55:19 -0700 |
Yo Eric!
On Thu, 12 Mar 2015 09:45:44 -0400
"Eric S. Raymond" <address@hidden> wrote:
> Philipp Seelig <address@hidden>:
> > > How long did you wait? This is sort of expected behavior. I have
> > > seen the same thing for a long time. cgps will timeout until the
> > > GPS starts sending data, which in a cold start could be many
> > > minutes.
> > >
> >
> > That is exactly what I misunderstood. I thought cgps would _always_
> > keep running, as long as a gps device was plugged. Which is why I
> > guessed that something is wrong with gpsd.
> >
> > Sorry for the inconvenience.
> >
> > Is there a easy way to determine if a gps device is present (even if
> > this device doesn't send any valid data yet)?
>
> Another question is whether this means cgps's timeout should be
> removed.
I too find the current bahavior annoying, especially on startup while
doing the long wait for autobaud. But I think timeouts should be
reserved for loss of connection to the server. Two minutes is about
right, like any other TCP timeout.
I've been wondering if gpsd should send a keepalive if no other data to send.
Maybe every 10 seconds? Maybe the keepalive could also mention what
devices are in use by gpsd?
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
address@hidden Tel:+1(541)382-8588
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- [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Philipp Seelig, 2015/03/11
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Philipp Seelig, 2015/03/11
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Gary E. Miller, 2015/03/11
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Philipp Seelig, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Eric S. Raymond, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U,
Gary E. Miller <=
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Eric S. Raymond, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Gary E. Miller, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Frank Nicholas, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Gary E. Miller, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Eric S. Raymond, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Gary E. Miller, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Eric S. Raymond, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Gary E. Miller, 2015/03/12
- Re: [gpsd-users] gpsd 3.12 cgps 3.12 - time out with NL-402U, Eric S. Raymond, 2015/03/12