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by davidhbrown
Sat Oct 22, 2022 3:19 am
Forum: ESP-IDF
Topic: Reading output GPIO pin logic state
Replies: 7
Views: 29453

Re: Reading output GPIO pin logic state

flodis wrote:
Thu Feb 14, 2019 4:07 pm
... read from either GPIO_OUT_REG (31..0) or GPIO_OUT1_REG (32..39)....
Emphasis added as I'd missed that on first reading and it turned out I was using GPIOs 32 and 33 (hidden behind #defined constants so I'd forgotten) :oops: Thank you for the example; it's working great.