mirror of
https://github.com/espressif/esp-idf.git
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91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "sdkconfig.h"
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#include <esp_types.h>
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#include "soc/soc_caps.h"
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#include "driver/gpio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if CONFIG_GPIO_ESP32_SUPPORT_SWITCH_SLP_PULL
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/**
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* @brief Emulate ESP32S2 behaviour to backup FUN_PU, FUN_PD information
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*
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* @note Need to be called before sleep.
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_sleep_pupd_config_apply(gpio_num_t gpio_num);
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/**
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* @brief Emulate ESP32S2 behaviour to restore FUN_PU, FUN_PD information
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*
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* @note Need to be called after sleep.
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_sleep_pupd_config_unapply(gpio_num_t gpio_num);
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#endif
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/**
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* @brief Configure a pin to perform GPIO function or an IOMUX function
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*
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* @param gpio_num GPIO number.
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* @param func Function to assign to the pin. see "io_mux_reg.h"
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_func_sel(gpio_num_t gpio_num, uint32_t func);
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/**
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* @brief Disable output for an IO
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*
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* @param gpio_num GPIO number
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_output_disable(gpio_num_t gpio_num);
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/**
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* @brief Enable open-drain for an IO
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*
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* @param gpio_num GPIO number
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_od_disable(gpio_num_t gpio_num);
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/**
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* @brief Disable open-drain for an IO
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*
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* @param gpio_num GPIO number
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*
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* @return
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG GPIO number error
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*/
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esp_err_t gpio_od_enable(gpio_num_t gpio_num);
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#ifdef __cplusplus
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}
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#endif
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