File list (Check if you may need any files):
AVR328-USB Generic HID Implementation on megaAVR devices\AVR328-USB Generic HID Implementation on megaAVR devices.pdf
........................................................\USB HID Generic\README.txt
........................................................\...............\series4-hidio-2_0_2-doc.zip
........................................................\...............\STK526-series2-hidio-2_0_2-doc.zip
........................................................\...............\USBKEY_STK525-series6-hidio-2_0_2-doc.zip
........................................................\USB HID Generic
AVR328-USB Generic HID Implementation on megaAVR devices