That's a really nice setup.
I'd be interested in seeing how the device driver code works.

I've been thinking about building a decent rudder setup and using a USB HID 
interface but the software side of USB protocols is really daunting to a 
below average programmer like me.

Paul


On Thursday, 2 June 2005 13:18, Torsten Dreyer wrote:
> Hi everybody.
>
> Some weeks ago, I dug thru my spare-parts-box and found a small assembly of
> an 8 channel 10 bit A/D converter using a LTC1090 and a few other parts. I
> dug a bit further and out came some pots, knobs, switches, some pieces of
> wood, a few screews and a bit of wire.
> I glued it all together, wrote a device driver for linux, hacked a xml file
> and suddenly had a neat power quadrant to use with flightgear's piston
> twins connected to the unused serial port.
> It has:
> 6 levers (axis?): 2 black for throttle, 2 blue for prop, 2 red for mixture
> 2 wheels for elevator and rudder trim
> 1 switch for gear up/down
> 2 switches for flaps down/up
>
> js_demo sees it like this:
> ~~~~~~~~~~~~~~~~~~~~~~
> Joystick 0: "LTC1090 Joystick"
> Joystick 1 not detected
> Joystick 2 not detected
> Joystick 3 not detected
> Joystick 4 not detected
> Joystick 5 not detected
> Joystick 6 not detected
> Joystick 7 not detected
> +--------------------JS.0----------------------+
>
> | Btns Ax:0 Ax:1 Ax:2 Ax:3 Ax:4 Ax:5 Ax:6 Ax:7 |
>
> +----------------------------------------------+
>
> | 0004 +0.2 +0.2 -0.6 +0.3 -0.1 -0.6 -0.0 -0.1 |
>
> If anyone here on the list (or is there a hardware-builder list?) is
> interested in rebuilding this little toy, I am happy to put all I know to a
> little web site. One should be able to purchase all parts for around 40
> EUR.
>
> Oh - by the way:
> Thanks everybody for making FlightGear! I use it a lot to keep current in
> flying ifr procedures...
>
> Cheers, Torsten
>
> _______________________________________________
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> Flightgear-devel@flightgear.org
> http://mail.flightgear.org/mailman/listinfo/flightgear-devel
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