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116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 Gunar Schorcht
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* SPDX-License-Identifier: LGPL-2.1-only
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*/
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#pragma once
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/**
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* @ingroup boards_esp32_wemos_d1_r32
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* @brief Peripheral MCU configuration for Wemos D1 R32 (ESPDuino-32) board
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* @{
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*
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* The peripheral configuration corresponds to the Arduino Uno pinout and
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* guarantees the compatibility with Arduino Uno Shields.
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*
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* For detailed information about the configuration of ESP32 boards, see
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* section \ref esp32_peripherals "Common Peripherals".
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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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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name ADC and DAC channel configuration
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* @{
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*/
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/**
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* @brief Declaration of GPIOs that can be used as ADC channels
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*/
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#define ADC_GPIOS { GPIO2, GPIO4, GPIO35, GPIO34, GPIO36, GPIO39 }
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/**
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* @brief Declaration of GPIOs that can be used as DAC channels
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*/
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#define DAC_GPIOS { GPIO25, GPIO26 }
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/** @} */
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/**
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* @name I2C configuration
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* @{
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*/
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#ifndef I2C0_SPEED
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# define I2C0_SPEED I2C_SPEED_FAST /**< I2C bus speed of I2C_DEV(0) */
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#endif
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#define I2C0_SCL GPIO22 /**< SCL signal of I2C_DEV(0) */
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#define I2C0_SDA GPIO21 /**< SDA signal of I2C_DEV(0) */
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/** @} */
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/**
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* @name PWM channel configuration
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* @{
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*/
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/**
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* @brief Declaration of PWM_DEV(0) channels, at maximum six channels.
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*/
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#define PWM0_GPIOS { GPIO25, GPIO16, GPIO27, GPIO13, GPIO2 }
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/**
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* @brief Declaration of PWM_DEV(1) channels, at maximum six channels.
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*
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* GPIO5 and GPIO23 are also used for SPI_DEV(0) an can only be used as
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* PWM channels if SPI_DEV(0) is not used an vice versa.
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*/
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#define PWM1_GPIOS { GPIO5, GPIO23 }
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/** @} */
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/**
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* @name SPI configuration
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*
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* @note The GPIOs listed in the configuration are first initialized as SPI
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* signals when the corresponding SPI interface is used for the first time
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* by either calling the `spi_init_cs` function or the `spi_acquire`
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* function. That is, they are not allocated as SPI signals before and can
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* be used for other purposes as long as the SPI interface is not used.
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* @{
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*/
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#define SPI0_CTRL VSPI /**< VSPI is used as SPI_DEV(0) */
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#define SPI0_SCK GPIO18 /**< VSPI SCK */
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#define SPI0_MISO GPIO19 /**< VSPI MISO */
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#define SPI0_MOSI GPIO23 /**< VSPI MOSI */
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#define SPI0_CS0 GPIO5 /**< VSPI CS0 */
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/** @} */
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/**
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* @name UART configuration
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*
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* UART_DEV(0) uses fixed standard configuration.<br>
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* UART_DEV(1) is defined here.<br>
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*
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* @{
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*/
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#define UART0_TXD GPIO1 /**< direct I/O pin for UART_DEV(0) TxD, can't be changed */
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#define UART0_RXD GPIO3 /**< direct I/O pin for UART_DEV(0) RxD, can't be changed */
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#define UART1_TXD GPIO17 /**< direct I/O pin for UART_DEV(1) TxD */
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#define UART1_RXD GPIO16 /**< direct I/O pin for UART_DEV(1) RxD */
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/** @} */
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#ifdef __cplusplus
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} /* end extern "C" */
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#endif
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/* include common peripheral definitions as last step */
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#include "periph_conf_common.h"
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/** @} */
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