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How to recognize which edge lead to EXTI

Question asked by obid.matic on Jan 12, 2016
Latest reply on Jan 13, 2016 by obid.matic
How do you recognize, which edge lead to EXTI, if it is configured for rising and falling edges?

Now, I look a state of that pin in IDR register, immediately when EXTI occurs. But in that time, between cause of interrupt and my reading, pin could already be toggled. Is there any other, more secure way?