STM32 USB Library - USB_DELAY from any source other than SysTick??

saimaddy123 · ‎2011-03-19

Posted on March 19, 2011 at 14:51

Tesla DeLorean · ‎2011-05-17

Posted on May 17, 2011 at 14:28

Couldn't you just spin on the core's DWT cycle counter?

CycleStart = *DWT_CYCCNT;

while((*DWT_CYCCNT - CycleStart) < DelayCycles);

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I'd also recommend you initialize things, and get the clock frequencies once rather than reading them every time you want a delay.

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