/*
 * Copyright (C) 2025 David Picard
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */

/**
 * @ingroup     boards_seeedstudio-xiao-esp32c3
 * @brief       Board definitions for the Seeed Studio Xiao ESP32-C3 board
 * @{
 *
 * @file        board.h
 * @author      David Picard
 */

#ifndef BOARD_H
#define BOARD_H

#include <stdint.h>

/**
 * @name    Button pin definitions
 * @{
 */

/**
 * @brief   Default button GPIO pin definition
 *
 * Pressing the button will give a low signal.
 *
 * @note GPIO9 is a strapping pin that must be pulled up a boot time
 * in order to boot the user application.
 * After boot, it can be used as user button.
 */
#define BTN0_PIN        GPIO9

/**
 * @brief   Default button GPIO mode definition
 *
 * The pîn is actually pulled up by an external resistor on the board.
 * As a consequence, the pin mode should be #GPIO_IN.
 * The internal pull-up resistor is not enabled on purpose
 * because it would decrease the total pull-up resistor value.
 */
#define BTN0_MODE       GPIO_IN

/**
 * @brief   Default interrupt flank definition for the button GPIO
 */
#ifndef BTN0_INT_FLANK
#define BTN0_INT_FLANK  GPIO_FALLING
#endif

/**
 * @brief   Definition for compatibility with previous versions
 */
#define BUTTON0_PIN     BTN0_PIN

/** @} */

/* include common board definitions as last step */
#include "board_common.h"

#ifdef __cplusplus
extern "C" {
#endif

#ifdef __cplusplus
} /* end extern "C" */
#endif

#endif /* BOARD_H */
/** @} */