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Where "LEVEL" Option in ISR can be used? | Cypress Semiconductor

Where "LEVEL" Option in ISR can be used?

Summary: 1 Reply, Latest post by Bob Marlowe on 13 Sep 2016 10:43 AM PDT
Verified Answers: 1
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maknight's picture
User
220 posts

Hi,

I do not understand the option "level" in ISR. Can i use it in order to fire and interrupt based on the rising or falling edge?

If yes then, how?

Looking forward to your help.

Regards

Awais

user_1377889's picture
User
10710 posts

"Level" is restricted to "High" signal and is used when the interrupt handler cannot change the signal. Signal must return to "Low"  to generate another interrupt when going high again.

 

Bob

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