/*
 * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief GPIO number
 */
typedef enum {
    GPIO_NUM_NC = -1,    /*!< Use to signal not connected to S/W */
    GPIO_NUM_0 = 0,     /*!< GPIO0, input and output */
    GPIO_NUM_1 = 1,     /*!< GPIO1, input and output */
    GPIO_NUM_2 = 2,     /*!< GPIO2, input and output */
    GPIO_NUM_3 = 3,     /*!< GPIO3, input and output */
    GPIO_NUM_4 = 4,     /*!< GPIO4, input and output */
    GPIO_NUM_5 = 5,     /*!< GPIO5, input and output */
    GPIO_NUM_6 = 6,     /*!< GPIO6, input and output */
    GPIO_NUM_7 = 7,     /*!< GPIO7, input and output */
    GPIO_NUM_8 = 8,     /*!< GPIO8, input and output */
    GPIO_NUM_9 = 9,     /*!< GPIO9, input and output */
    GPIO_NUM_10 = 10,   /*!< GPIO10, input and output */
    GPIO_NUM_11 = 11,   /*!< GPIO11, input and output */
    GPIO_NUM_12 = 12,   /*!< GPIO12, input and output */
    GPIO_NUM_13 = 13,   /*!< GPIO13, input and output */
    GPIO_NUM_14 = 14,   /*!< GPIO14, input and output */
    GPIO_NUM_15 = 15,   /*!< GPIO15, input and output */
    GPIO_NUM_16 = 16,   /*!< GPIO16, input and output */
    GPIO_NUM_17 = 17,   /*!< GPIO17, input and output */
    GPIO_NUM_18 = 18,   /*!< GPIO18, input and output */
    GPIO_NUM_19 = 19,   /*!< GPIO19, input and output */
    GPIO_NUM_20 = 20,   /*!< GPIO20, input and output */
    GPIO_NUM_21 = 21,   /*!< GPIO21, input and output */
    GPIO_NUM_MAX,
} gpio_num_t;

#ifdef __cplusplus
}
#endif
