Decoding class requests – Teledyne LeCroy UWBTracer User Manual User Manual
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UWBTracer/Trainer User Manual
Chapter 7: Decoding USB/WUSB Requests
LeCroy Corporation
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For field definitions, please refer to the Universal Serial Bus Specification, version 2.0.
The USB specification is available from the USB Implementers Forum (USB-IF) at:
Decoding Class Requests
Examples of a class request are Mass-Strg Class UFI CBI Requests, PTP Still Image
Class Requests, Video Class Requests, and Wire Adapter Class Requests.
To decode a class request:
Step 1 From the USB/WUSB Device Request menu, select
Decode ... Request to display the View Fields for ... Class Requests
text box.
Figure 7.9 shows a Wire Adapter Class Requests decoding:
Figure 7.9
View Fields for Wire Adapter Class Requests Request Text
Box
USB Implementers Forum
1730 SW Skyline Blvd.
Suite 203
Portland, OR 97221
Tel: +1/503.296.9892
Fax: +1/503.297.1090
Web: http://www.usb.org/