/* * 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 */ #include #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.
* UART_DEV(1) is defined here.
* * @{ */ #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" /** @} */