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add notes about GPIO36/39 issue (ECO 3.11) workaround · espressif/esp-idf@d890a51 · GitHub

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@@ -95,9 +95,11 @@ esp_err_t gpio_set_intr_type(gpio_num_t gpio_num, gpio_int_type_t intr_type);

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/**

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* @brief Enable GPIO module interrupt signal

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*

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* @note Please do not use the interrupt of GPIO36 and GPIO39 when using ADC.

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* @note Please do not use the interrupt of GPIO36 and GPIO39 when using ADC or Wi-Fi with sleep mode enabled.

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* Please refer to the comments of `adc1_get_raw`.

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* Please refer to section 3.11 of 'ECO_and_Workarounds_for_Bugs_in_ESP32' for the description of this issue.

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* As a workaround, call adc_power_acquire() in the app. This will result in higher power consumption (by ~1mA),

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* but will remove the glitches on GPIO36 and GPIO39.

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*

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* @param gpio_num GPIO number. If you want to enable an interrupt on e.g. GPIO16, gpio_num should be GPIO_NUM_16 (16);

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*

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