USBTrace : Class Decoding

USBTrace can decode class specific USB requests and display detailed information regarding them. The classes currently supported are Hub, HID, Mass Storage, Bluetooth, Still Image Capture & Video. More device classes will be added in the future releases.

Figure above shows hub class requests captured by USBTrace. Figure below shows a decoded class request in Info view.

More Information

Get more information about device class decoders.

• Human Interface Device (HID)
• USB Hub Class
• Mass Storage Device
• Bluetooth
• Still Image Capture Device
• Video Class
• Vendor Specific
• Wireless USB Host Wire Adapter

Installing class decoders

USBTrace class decoders must be separately installed after installing USBTrace main application. Class decoders are distributed as zipped DLLs.

1. Download the required class decoders from http://www.sysnucleus.com/usbtrace_download.html
2. Extract them to USBTrace installation directory.
3. Restart USBTrace.