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Oct 10, 2013
11:11 PM
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Oct 10, 2013
11:11 PM
Hello,
I'm trying to determine the CPU load of the XMC4500 for my sample program. I have a floating point fir filter that reads a value every 1ms from USB, processes the value and returns the result.
Is there a CPU tick counter or a high resolution (<1ms) timer that I can use to find out how much time / how many CPU cycles my fir filter subroutine takes? Or should I consider another approach?
It would be great if you could point me in the right direction!
I'm trying to determine the CPU load of the XMC4500 for my sample program. I have a floating point fir filter that reads a value every 1ms from USB, processes the value and returns the result.
Is there a CPU tick counter or a high resolution (<1ms) timer that I can use to find out how much time / how many CPU cycles my fir filter subroutine takes? Or should I consider another approach?
It would be great if you could point me in the right direction!
2 Replies
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Oct 11, 2013
08:33 AM
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Oct 11, 2013
08:33 AM
Hi Uli,
take a look at this:
http://www.infineonforums.com/threads/556-Periodic-microsecond-timer?highlight=microsecond
take a look at this:
http://www.infineonforums.com/threads/556-Periodic-microsecond-timer?highlight=microsecond
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Oct 13, 2013
11:39 AM
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Oct 13, 2013
11:39 AM
Thanks a lot, that seems to be exactly what I am looking for!