User's Manual

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BTTracer Protocol Analyzer User’s ManualCATC Version 1.0
or Flow changes the value of this field from zero to one. For example, if
SEQN is checked, the event condition becomes "SEQN=1 AND ARQN=0
AND Flow=0.
To cause BTTracer to ignore this set of check boxes, choose "don't care."
Payload Headers
Clicking "Payload Headers" causes a series of options to display on the right
for setting conditions on payload headers. You will see two sets of options
- one for single slot packets such as DM1 packets and a second for multi-slot
packets such as DM3 packets. Within each set is a menu for the Logical
Channel and sub-options for Flow Control, and Payload length. These latter
two options allow you to modify searches based on the Logical Channel.
An example would be "Trigger on a start L2CAP message whose flow
control bit is 1 and whose data field length is less than 20."
• Select Payload Headers under Event Groups.
You s e e t h e Payload Headers window
L_CH (Logical Channel)
The "L_CH" drop down menu presents five options for
setting conditions on the Logical Channel:
• Don’t care
• 00 Undefined