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F2812-Execution time

Lin E
Prodigy 110 points

Hi,

Im using EzDSP F2812.

I want to know to calculate the execution time used by the processor in a interrupt (adc_isr) program.

In the interrupt, there are other functions to perform other task.

Thank you.

 

Regards,

Lin

 

 

 

  • 0
    Genius 5170 points

    There are various ways to obtain this information - I believe there is a profile function in CCS which allows you to have a decent idea about the number of cycles it takes to execute a portion of code. If you want a more real world idea then use a GPIO to toggle at the beginning and at the end of your ISR and observe the GPIO using a scope.