linuxaudio.org

Hi
I'm trying to use my novation launchpad with chuck. It seems to be

plug/play, at least I didn't do anything except plug and play :-)
However it's acting a bit strange in one regard. The first time I handle

(read presses from the launchpad and sends something back to turn lights

on/off) it works as expected.
However the next time I launch my chuck code (without turning off =

unplugging the launchpad) it doesn't send presses. However the arrow up,

down, left and right buttons (or at least the up-one, that's what I got

used to use) works and after pressing it the other buttons start sending

again.
Every once in a while, it's the other way around, I have to press a grid

button before the arrow pads start sending.
I checked my chuck code quite thoroughly, and played with various things

to remedy the problem, but still it might be something I send that

messes up the launchpad.
Can anyone recognize this behavior? Or the opposite: testify that it

works without this quirk? Any ideas how to approach the problem, narrow

down the possibilities and hopefully eventually find a fix?
NB: I'm running arch linux with kernel 3.0-rt...
--

Atte
http://atte.dk   http://modlys.dk
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