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SourceVuESP-IDF Framework and ExamplesESP-IDFrtc_gpio_set_direction()

rtc_gpio_set_direction() function

RTC GPIO set direction Configure RTC GPIO direction, such as output only, input only, output and input.

Syntax

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Summary

Declaration

Definition

from rtc_io.h:103

esp_err_t rtc_gpio_set_direction(gpio_num_t gpio_num, rtc_gpio_mode_t mode);

Implemented in rtc_io.c:113

Arguments

Argument

Declared as

Description

gpio_num

gpio_num_t

GPIO number (e.g. GPIO_NUM_12)

mode

rtc_gpio_mode_t

GPIO direction

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG GPIO is not an RTC IO

Examples

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

gpio sample

gpio_intr_pulse_counter sample

gpio_wakeup sample

ulp sample

References

from 0/4 examples

Code

Location

Referrer

esp_err_t rtc_gpio_set_direction(gpio_num_t gpio_num, rtc_gpio_mode_t mode)

rtc_io.c:113

esp_err_t rtc_gpio_set_direction(gpio_num_t gpio_num, rtc_gpio_mode_t mode);

rtc_io.h:103

ESP_RETURN_ON_ERROR(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED), ADC_TAG, "rtc_gpio_set_direction fail");

adc_legacy.c:190

adc_common_gpio_init()

ESP_RETURN_ON_ERROR(rtc_gpio_set_direction(io_num, RTC_GPIO_MODE_DISABLED), TAG, "IO config fail");

adc_oneshot.c:300

s_adc_io_init()

rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED);

dac_common.c:74

dac_priv_enable_channel()

rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED);

dac_common_legacy.c:40

dac_rtc_pad_init()

rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED);

touch_sensor_common.c:126

touch_pad_io_init()

Call Tree

from 0/4 examples

rtc_gpio_set_direction() is called by 5 functions and calls 7 functions:

adc_common_gpio_init()

dac_rtc_pad_init()

touch_pad_io_init()

s_adc_io_init()

dac_priv_enable_channel()

rtc_gpio_set_direction()

rtc_gpio_is_valid_gpio()

rtc_io_number_get()

rtcio_hal_set_direction()

Data Use

from 0/4 examples

rtc_gpio_set_direction() 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_set_direction()

Class Tree

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Override Tree

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Implementations

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Instances

from 0/4 examples

Lifecycle

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