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Re: [gpsd-dev] PPS offset fields and regression testing


From: Gary E. Miller
Subject: Re: [gpsd-dev] PPS offset fields and regression testing
Date: Mon, 25 Nov 2013 13:53:55 -0800

Yo Eric!

On Mon, 25 Nov 2013 15:27:32 -0500
"Eric S. Raymond" <address@hidden> wrote:

> Gary E. Miller <address@hidden>:
> > > 3. Same question about Garmin binary, except I know Gary Miller
> > > has one. Gary: the only Garmin logs we have  are NMEA. Would you
> > > please check in a binary test pair? 
> > 
> > If I could ever figure out how.  For now the test code has no way
> > to wait for an ACK from gpsd before sending more binary.  
> 
> I don't understand that answer. So let my check my premises here.
> 
> 1. You have a serial GPS that emits Garmin binary packets, with
> DLE-stuffing and a checksum.

Serial is not the problem, USB Garmin is.

> 2. You have gpscat, gpspipe -r, and gpsmon -l.
> 
> What's so hard about capturing 10 or 15 seconds of packets?

I can capture it, but the key part, the part that keeps breaking, is
the ACK/NACK, and no way to capture that so gpsfake can duplicate it.

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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