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116 lines
2.9 KiB
C

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