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Measuring Program Cycle

 
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js
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Measuring Program Cycle
PostPosted: Thu Oct 15, 2009 2:02 pm     Reply with quote
How is the way to measure the time of each program cycle ?
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Oct 15, 2009 2:23 pm     Reply with quote
To measure the time required for a block of code, you can use the
MPLAB Simulator's Stopwatch feature. This thread has instructions on
how to use it:
http://www.ccsinfo.com/forum/viewtopic.php?t=38351

You can also set an i/o pin high at the start of a routine and low at the
end, and use an oscilloscope or a logic analyzer to see the pulse length,
and thus find the length of the routine.
bkamen



Joined: 07 Jan 2004
Posts: 1611
Location: Central Illinois, USA

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PostPosted: Fri Oct 16, 2009 12:14 am     Reply with quote
PCM programmer wrote:

You can also set an i/o pin high at the start of a routine and low at the
end, and use an oscilloscope or a logic analyzer to see the pulse length,
and thus find the length of the routine.


I do this a lot.
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