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USB Advisor User Manual Chapter 9: Decode Requests
LeCroy Corporation
103
Decoding using Endpoint Information
To decode using the endpoint information:
Step 1 Left-click the Bulk/Int Transfer field to display the Bulk/Int Transfer (IN/OUT
transaction with data) menu.
Step 2 Select Decode as ... Endp to open a View Fields for ... Endp text box.
The following figure shows a Wire Adapter Data Transfer Out Endp decoding:
Changing the Layout of Decode Requests
In the View ... Fields windows, the Decoding Information and the Descriptor information
blocks (following the Request Summary information) have the following columns:
• Field : such as bRequest, wValue, wIndex, bLength, bDescriptorType,
wTotalLength
• Length in bits
• Offset in bits
• Decoded : hex value typically equal to Hex Value
• Hex Value : hex value typically equal to Decoded
• Description : short description of field