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how to know the rising edge from falling edge?

Question asked by aa1008 on Oct 17, 2011
Latest reply on Oct 17, 2011 by RyanJ



If I configure the my GPIO pin to be in both edge sensetive (falling and rising) by doing EDGE = 1 and BOTH = 1 for that pin. In the interrupt serive routine how can detect that the interrupt happens in the falling or rising edge? is there any clue?