Re: [Gumstix-users] OE: How to get productive after gumstix-basic-image?

[Marcus W. <Marcus@Wolschon.biz>]

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2008/2/9, Steve Sakoman <sa...@gm...>:
> > Well,
> > it does provide an overview on how to make and build a single packet.
> > It does not provide anything about customizing an image and getting your
> > packets in there.
>
> It's there:  look in the section called:  "Adding our package to the
> rootfs image"

Oh, I must have overlooked that. Sorry.

> > I cannot find a package "gumstix-basic-image"
>
> gumstix-basic-image is in com.gumstix.collection/packages/images

Ah. as all the directories where named after their package-names I
only looked for something called gumstix-basic or similar.
Thanks.

>
> Really, the naming is pretty straightforward :-)
>
> > a package for the kernel where I can see the it's config. (To change
> > the Makefile for the pxarc-kernel-module to use the oe-sources and toolchain.)
>
> linux is in com.gumstix.collection/packages/linux
>
> I'm not familiar with the pxarc module.  What is it?  If it is
> generally useful I'll enable it in the build for everyone.

It is a third-party patch found in
http://www.pabr.org/pxarc/doc/
Is uses some timers in the pxa for soft-realtime
to create a kernel-module that does software
pwm and ppm -output on gpio-pins.

I want to feed the ppm-oufput to the ppm-decoder
in an existing rc-receiver to run the paparazzi-autopilot
on the gumstix. This way I can switch from the
autopilot to normal remote-control with only one pin
and to a manual landing of the UAV piloted.
(And I only need one wire on the solder-pads of
 the gpsstix.)
The hardware ppms are interesting but I cannot use
them because I want to use the quick-capture-interface
that uses the same pins. Also it has been made clear
on this list that the higher base-frequency of the hardware-
ppms on the pxa170 makes them useless for interfacing
servos.

I already ported the paparazzi-autopilot run as a
linux-usermode-program (instead of on it's custom arm or avr
- -boards) and am conducting first flight-tests of the
airframe. I may write a package-definition for paparazzi.
But then again I may not and only modify the compiler-related
makefile-definitions in my new paparazzi-build-target and
copy that one binary by hand.

Thanks Steve!
You where most helpfull.

Marcus
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