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SourceVuESP-IDF Framework and ExamplesESP-IDFrtc_gpio_init()

rtc_gpio_init() function

Init a GPIO as RTC GPIO This function must be called when initializing a pad for an analog function.

Syntax

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Summary

Declaration

Definition

from rtc_io.h:52

esp_err_t rtc_gpio_init(gpio_num_t gpio_num);

Implemented in rtc_io.c:46

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

Examples

rtc_gpio_init() is referenced by 4 libraries and example projects:

References

from examples