Capturing a data dword – Teledyne LeCroy SierraFC M164 User Manual User Manual
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SierraFC M164 Protocol Analyzer User Manual
Note that there is some overlap in the way these counters can be used. For example, in
the simple case of a single Event leading to a single Action, it makes no difference
whether you specify the Event to require five repeats before triggering the Action, or the
Action to require five occurrences before it acts.
However, in the case of combined Events and/or Actions, the separate counters provide
flexibility in designing test cases. For example, consider the case where Event_1 OR
Event_2 leads to Action. If Event_1 has a counter of 5, then the Action triggers either
when Event_1 has repeated five times or when Event_2 happens the first time,
whichever occurs first.
But if the Event counters are set to 1 and the Action counter is set to 5, then the Action
happens after five occurrences of EITHER Event_1 or Event_2.
Capturing a Data Dword
FC InFusion provides the ability to capture individual data dwords and provides different
registers to store captured dwords. When your detector is DWord Matcher you can use
Dword #0, #1, #2 and #3 and when your detector is Pattern Detector you can use Dword
#4, #5, #6 and #7. When trying to use the captured dword, for example in Replace Dword
Action, you can actually select from 8 captured dwords, numbered 0 through 7.
To capture a data dword, select Capture Data Dword from the Action Properties screen
(in Advanced Mode), as shown below. Select the location you would like the captured
Dword to be stored in, so it can be used in a later replacement or insertion.
Figure 4.12: Capture Data Dword Action