Re: [gpsd-users] Issue with Rasbian Jessie

[Gary E. Miller]

Yo George!

On Fri, 4 Mar 2016 11:23:21 -0700
George Sexton <address@hidden> wrote:

> >> I have used GPSD on quite a large number of Raspberry Pi cards,
> >> without issue, under Raspbian Wheezy.  However, on a new RPi 2, the
> >> following happens:  
> > I find that no distro gets gpsd auto-start correctly.  

> NTPD needs to start first to create the shared memory segment that
> GPSD can use.

gpsd will also create them, but maybe not the same way.  One more reason
why the chronyd socket method is better.

> However, since GPSD isn't available, the GPS clocks
> aren't available to NTPD.

Could be up to 30 mins while the GPS gets a lock.

> What I end up doing is after boot is
> re-starting GPSD, and then re-starting NTPD.

Ouch.  Good reasons to roll your own startup script.

> Another issue is the auto-baud/search feature in GPSD. It means that 
> it's not available, or at least kicking out anything useful for a few 
> minutes. I've improved that by adding:
> 
> /usr/bin/stty --file=/dev/ttyS5 speed 38400
> 
> to bypass auto-baud.

Yup, works like a charm.  Maybe it would be nice if we could give
gpsd a parameter for the first speed to try?

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

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