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SWO and variables reading
Offline
Pietsuro Botsutoshi
over 7 years ago
Note: This was originally posted on 27th February 2012 at http://forums.arm.com
Dear all,
I would like to create a SWV application, and my question is the following: how many variables can I read via SWO communication?
I mean, without considering the overflow packet that could be sent in case of huge information traffic, is there a physical limit regarding this topic?
If I've understood weel, DWT_COMPx registers, with x={1, .., 4} is used in order to store the variable address that I would like to monitor, and DWT_MASKx are also used in order to raise a valid new SWO packet.
Does this mean that it's possible to check only for four variables, or should I set the mask register in order to detect ranges of variables?
With the latter case I could be able to monitor a very large number of items.
Am I wrong or is this the right approach?
Thank you very much!
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