LAladyada·Nov 10, 2010
you can probe USB commands, but that takes a lot of time. much faster to connect a usb analyzer and then 'replay' to see what commands do what.
http://www.adafruit.com/blog/2010/11/09/kinect-hacking-video... (demo of analyzer)
http://github.com/adafruit/Kinect (USB log dump)
In Kinect reverse-engineered; open driver available