Teledyne LeCroy USBTracer_Trainer - Users Manual - Manual (Page 88)

Chapter 4: Software Overview USB Protocol Suite User Manual
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LeCroy Corporation
Hiding USB 2 Traffic Hides.
• SOF’s: Start of Frames
• NAK’s: NAK’ed Transactions
• Devices: Packets belonging to specified devices by
address and endpoint
• Chirps: Chirp-K and Chirp-J Bus conditions (these are
recorded only)
Hiding USB 3 Traffic Hides:
• Link Commands (Flow Control)
• Link Training Sequences (TS1, TS2, TSEQ)
• Logical Idle Packets
• Upstream Packets
• Downstream Packets
• Skip Sequences
• ISO Time Stamp Packets
• Inter-Packet Symbols
• Link Commands (Other than Flow Control)
• LMP Packets
• Electrical Idles
• LFPS Packets
• LTSSM Transition Indicators
View Layers Mode Display All Layers, Application Layers, or Lower USB Layers.
Stacking View Puts a group of packets in one row, to shorten display.
Apply Decoding
Scripts Decoding scripts set the values of the display and recording options
for optimum views of trace information from specific vendors or
classes of data. This menu option allows you to select the vendor or
class of data for the request recipients and endpoints listed in the
Request Recipients and Endpoints menu. You can keep the settings
across recordings.
See “Decode Requests” on page 155.
Packet Level Displays Packets.
Transaction Level Displays Transactions.
Split Transaction Level Displays Split Transactions.
Transfer Level
Displays Transfers.
WA Group HWA Segment Level displays Host Wire Adapter Segments.
HWA Transfer Level displays Host Wire Adapter Transfers.
DWA Segment Level displays Device Wire Adapter Segments.
DWA Transfer Level displays Device Wire Adapter Transfers.
PTP Group PTP Transaction Level displays PTP Transactions
PTP Object Transfer Level displays PTP Objects
PTP Session Level displays PTP Sessions
SCSI Operation Level Displays SCSI Operation Level
Menu Function