USB Device Class Decoding Support

USBTrace can decode and display USB device class specific descriptors/requests and display detailed information regarding them. All major USB device classes are supported. The classes currently supported are Hub, HID, Communication Device, Mass Storage, Wireless Controllers (Bluetooth, Wireless USB HWA), Still Image Capture, Printer, Audio, Video, Smart Card, PHDC, Test & Measurement (TMC).

In case your device belongs to vendor specific class, USBTrace lets you write your own vendor specific class decoder.

Images below show how class specific data is displayed by USBTrace.

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

Shown below is the video class specific descriptors decoded and displayed by USBTrace video class decoder.

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
• Audio Class
• Vendor Specific
• Wireless USB Host Wire Adapter
• Printer
• Communication Device (CDC)
• Smart Card (CCID)
• Personal Healthcare (PHDC)
• Test & Measurement (TMC)