Chad-
The Nunchuk piece of the driver was written without access to a MotionPlus and the Wiimote/MotionPlus part was written without a nunchuk. You might be the first to actually assemble all of the pieces. 

I'll try to see if I can find a MotionPlus to debug, but in the meantime, I'll give the lame answer and say feel free to submit a patch :)

-David

On Tue, Aug 10, 2010 at 4:30 PM, Chad Rockey <chadrockey@gmail.com> wrote:
It appears that our current ROS driver can only ouput the Nunchuk values when the MotionPlus is not attached.  Can anyone confirm is this is true?  I didn't see a ticket and I'm not sure if this is a problem with ROS or with cwiid.

I am using ROS cturtle from debs on ubuntu 10.04 64bit on a thinkpad t-61 with integrated bluetooth.  The specific problem is that the Nunchuk topic does not publish data when the motion plus is attached.

Works:
Wiimote accelerometers and buttons: always
Wiimote and gyros
Wiimote and nunchuk

Does not work:
Wiimote, gyros, and nunchuk (although wiimote and gyros still report, the Nunchuk topic never publishes any data)

Thanks,
 - Chad

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