On Wed, 2010-03-03 at 07:22 -0700, John Denker wrote:
> On 03/03/2010 06:13 AM, Alasdair wrote:
> > I am using FG cvs and have recently noticed that commands such as:
> > fgfs --prop:/instrumentation/nav/radials/selected-deg=63
> > no longer have any effect.
> >
> > --prop:/instrumentation/nav/frequencies/selected-mhz=108.90
> > works fine.
>
> I observe the same bug here. Only nav[0] is affected.
>
> It's a bug in gps.cxx. Or maybe multiple bugs.
>
> Why the gps.cxx code has a compiled-in reference to
> /instrumentation/nav[0]/radials/selected-deg is a
> mystery to me.
>
> Why the gps.cxx code thinks it can reach over and set
> the OBS on a KI-209 or similar indicator head is a
> mystery to me.
>
> Why the gps.cxx code runs at all in aircraft that don't
> have a gps receiver installed is also a mystery to me.
>
> The following workaround is something Mr. Spock would
> describe as "crude but effective":
>
> diff --git a/src/Instrumentation/gps.cxx b/src/Instrumentation/gps.cxx
> index 2f7455b..9bca740 100644
> --- a/src/Instrumentation/gps.cxx
> +++ b/src/Instrumentation/gps.cxx
> @@ -250,6 +250,7 @@ GPS::Config::getExternalCourse() const
> void
> GPS::Config::setExternalCourse(double aCourseDeg)
> {
> + return;
> if (!_extCourseSource) {
> return;
> }
Thanks for the prompt reply, John. That fixes the proplem for me, which
exists in FG-2.0 as well. Don't know what it will do to the GPS code,
though.
Kind regards,
Alasdair
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