Re: [gpsd-users] heading info ?

[Niall Parker]

On 14-01-05 05:23 PM, Eric S. Raymond wrote:
> Niall Parker <address@hidden>:
> > I'd like to access the magnetic heading information from the
> > fluxgate compass in my Oregon 450 but it isn't clear to me whether
> > this is possible via gpsd.
> Currently not.
>
> >                   I saw one reference in the email archive
> > about getting it from gpsdecode but I missed the details. It also
> > doesn't look like the API includes heading (in contrast to course
> > derived from position fixes).
> It's in struct attitude in gps.h.
>
>
> >                         $HCHDG is a possible NMEA output
> > string, is this handled by gpsd anywhere (for any device ?)
> No, but it would be pretty trivial to add.  Please follow the
> FAQ directions for sending in an annotated output sample.
OK, looks like I may need to find another gps that definitely outputs it 
first. I didn't realize my requirements were that esoteric, maybe I'm 
approaching it the wrong way and there is something simple already out 
there.

Thanks for the info.

                    ... Niall