what is the best way to generate a 200ns Delay

manoritesameer · ‎2014-05-02

Posted on May 02, 2014 at 21:50

hello

I am using the STM32F407 discovery board,what is the best way to generate a 200ns Delay or less.

Thanks

Tesla DeLorean · ‎2014-05-02

Posted on May 02, 2014 at 22:34

Try to do it in hardware.

Fixed instruction sequences can be unpredictable via FLASH/ART

You could spin in a loop counting ticks from DWT_CYCCNT, has a granularity of the CPU clock, but still overhead coming in/out and loop iterations.

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