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99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
/*
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* Copyright (C) 2023 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_esp32c3_wemos_mini
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* @brief Board definitions for the Wemos ESP32-C3 mini board
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* @{
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*
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* @file
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* @author Gunar Schorcht <gunar@schorcht.net>
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*/
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#ifndef BOARD_H
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#define BOARD_H
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#include <stdint.h>
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/**
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* @name Button pin definitions
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* @{
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*/
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/**
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* @brief Default button GPIO pin definition
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*
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* The Wemos ESP32-C3 mini board has a BOOT button connected to GPIO9, which can
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* be used as button during normal operation. Since the GPIO9 pin is pulled up,
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* the button signal is inverted, i.e., pressing the button will give a
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* low signal.
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*/
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#define BTN0_PIN GPIO9
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/**
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* @brief Default button GPIO mode definition
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*
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* Since the GPIO of the button is pulled up with an external resistor, the
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* mode for the GPIO pin has to be GPIO_IN.
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*/
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#define BTN0_MODE GPIO_IN_PU
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/**
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* @brief Default interrupt flank definition for the button GPIO
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*/
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#ifndef BTN0_INT_FLANK
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#define BTN0_INT_FLANK GPIO_FALLING
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#endif
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/**
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* @brief Definition for compatibility with previous versions
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*/
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#define BUTTON0_PIN BTN0_PIN
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/** @} */
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/**
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* @name LED (on-board) configuration
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*
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* LED configuration depends on Wemos ESP32-C3 mini board version:
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*
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* - v1.0.0 has one LED connected to GPIO7.
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* - v2.1.0 has one 24-bit RGB-LED WS2812B connected to GPIO7.
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* @{
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*/
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#ifdef MODULE_ESP32C3_WEMOS_MINI_V1_0_0
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#define LED0_PIN GPIO7 /**< GPIO7 is used as LED Pin */
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#define LED0_ACTIVE (1) /**< LED is HIGH active */
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#else /* MODULE_ESP32C3_WEMOS_MINI_V2_1_0 */
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#ifndef WS281X_PARAM_PIN
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#define WS281X_PARAM_PIN (GPIO7) /**< GPIO pin connected to the data pin */
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#endif
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#ifndef WS281X_PARAM_NUMOF
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#define WS281X_PARAM_NUMOF (1U) /**< Number of LEDs chained */
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#endif
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#endif
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/** @} */
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/* include common board definitions as last step */
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#include "board_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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} /* end extern "C" */
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#endif
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#endif /* BOARD_H */
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/** @} */
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