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Re: [avr-gcc-list] execution time on avr butterfly?


From: Dave
Subject: Re: [avr-gcc-list] execution time on avr butterfly?
Date: Thu, 9 Feb 2006 09:58:29 -0800 (PST)

Is there a way to do it in software? Thank you.

Dave

--- David Brown <address@hidden> wrote:

> > Hello,
> >
> > I'm writing a C program that will run on AVR
> > butterfly. I'd like to know how I can measure
> > execution time of my program. Could you please
> help me
> > with this? Thank you very much.
> >
> > Regards,
> >
> > Dave
> >
> 
> Often the best way to measure execution time in
> embedded systems is to set a
> pin high when you start the relevant code, and low
> at the end, and connect
> an oscilliscope probe to the pin.  This can be good
> for checking interrupt
> routine execution times too, especially if you've
> got a scope with nice
> triggering capabilities (trigger on a pulse longer
> than a given time, for
> example).
> 
> mvh.,
> 
> David
> 
> 
> 
> 
> _______________________________________________
> AVR-GCC-list mailing list
> address@hidden
>
http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
> 


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