User's Manual

Table Of Contents
114
BTTracer Protocol Analyzer Users ManualCATC Version 1.0
The following dialog box will open.
Step 2 Click on a channel assignment and then look at the Connect
and Disconnect buttons on the far right of the dialog box.
If the Connect and Disconnect buttons are grayed-out, it means that
BTTracer made the channel assignments using data in the trace. You can
verify that BTTracer performed the assignments by looking at the text in
the "Slave Channel" box in the lower left corner of the dialog box. If
you see "Connection Recorded" it means that BTTracer performed the
channel assignments.
If BTTracer was not able to make these channel assignments, then the
Connect and Disconnect buttons on the right side of the dialog box will
be active. You can then assign and edit channel connections.
Step 3 Open the drop-down menu labeled AM_Addr (Active
Member Address). If possible, select an address other than
the currently displayed address.
The connections for the ’new device should now display.
10.8 Viewing Protocol Messages and Transactions
By pressing a button such as or , you can cause BTTracer to decode
the higher level protocol data contained within L2CAP messages and
display them as packet-like rows called Protocol Messages.Protocol
Messages have headers marked "protocol" and fields that vary in
appearance and content depending on the type of protocol.
Some Protocol Messages can be grouped into a higher level entity called a
Protocol Transaction. A Protocol Transaction is a row in a trace that
summarizes the higher level protocol data that is transmitted between a
Master and Slave device when one sends a request and the other sends back