Teledyne LeCroy Detective - Users Manual User Manual

Page 38

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CATC

CATC Detective User’s Manual

Version 2.21

Page 35

4.8.2.1 Decoded Standard Requests

If the decoded standard request is GET_DESCRIPTOR and the requested descriptor is DEVICE
or CONFIGURATION, or the request is SET_DESCRIPTOR, a button called “Show Descriptor
Data” appears in the USB Device Request Data dialog box (as in the above example). Selecting
this button brings up a form similar to the following, displaying the descriptor(s) returned by (or
sent to) the device, decoded according to USB Specification 1.0:

The scrollbar at the right side of the form permits viewing of all descriptor fields. If the device
only sends a portion of a descriptor, the Detective software marks missing fields with “N/A”.

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