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SourceVuESP-IDF Framework and ExamplesESP-IDFrtc_gpio_pulldown_en()

rtc_gpio_pulldown_en() function

RTC GPIO pulldown enable This function only works for RTC IOs. In general, call gpio_pulldown_en, which will work both for normal GPIOs and RTC IOs.

Syntax

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Summary

Declaration

Definition

from rtc_io.h:147

esp_err_t rtc_gpio_pulldown_en(gpio_num_t gpio_num);

Implemented in rtc_io.c:153

Arguments

Argument

Description

gpio_num

GPIO number (e.g. GPIO_NUM_12)

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG GPIO is not an RTC IO

References

Code

Location

Referrer

esp_err_t rtc_gpio_pulldown_en(gpio_num_t gpio_num)

rtc_io.c:153

esp_err_t rtc_gpio_pulldown_en(gpio_num_t gpio_num);

rtc_io.h:147

rtc_gpio_pulldown_en(gpio_num);

gpio.c:124

gpio_pulldown_en()

Call Tree

rtc_gpio_pulldown_en() is called by 1 function and calls 7 functions:

gpio_pulldown_en()

rtc_gpio_pulldown_en()

rtc_gpio_is_valid_gpio()

rtc_io_number_get()

rtcio_ll_pulldown_enable()

Data Use

rtc_gpio_pulldown_en() reads 6 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

RTCIO_TAG

rtc_gpio_pulldown_en()

Class Tree

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Lifecycle

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