external interrupt firing without any EXTI line set

bruzzim · ‎2010-02-25

Posted on February 25, 2010 at 12:37

Tomas DRESLER · ‎2011-05-17

Posted on May 17, 2011 at 13:41

It's recommended to configure GPIOs in input mode, then clear EXTI flags and last enable the EXTI mask register.

Be aware that EXTI has asynchronous inputs and react on glitches even below 10 ns!

bruzzim · ‎2011-05-17

Posted on May 17, 2011 at 13:41

Thanks, this was the problem.

Best regards,

Freddie