/* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include "driver/gpio.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief gpio button configuration
 * 
 */
typedef struct {
    int32_t gpio_num;              /**< num of gpio */
    uint8_t active_level;          /**< gpio level when press down */
} button_gpio_config_t;

/**
 * @brief Initialize gpio button
 * 
 * @param config pointer of configuration struct
 * 
 * @return
 *      - ESP_OK on success
 *      - ESP_ERR_INVALID_ARG   Arguments is NULL.
 */
esp_err_t button_gpio_init(const button_gpio_config_t *config);

/**
 * @brief Deinitialize gpio button
 * 
 * @param gpio_num gpio number of button
 * 
 * @return Always return ESP_OK
 */
esp_err_t button_gpio_deinit(int gpio_num);

/**
 * @brief Get current level on button gpio
 * 
 * @param gpio_num gpio number of button, it will be treated as a uint32_t variable.
 * 
 * @return Level on gpio
 */
uint8_t button_gpio_get_key_level(void *gpio_num);

#ifdef __cplusplus
}
#endif