USB development

USB product development has been made extremely easy by Atmel for the XMega series microcontrollers.
Lot of examples and guides to quickly make your own HID device.

In case anybody gets into this, here are some important files you need to look at -

ui.c
conf_clock.h
conf_usb.h
udi_hid_generic.h
usb_device.c
udi_hid_generic.c