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https://github.com/RIOT-OS/RIOT.git
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49ab2f0ef2
Fix broken references and missing open/closing group commands.
180 lines
4.8 KiB
C
180 lines
4.8 KiB
C
/*
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* Copyright (C) 2019 Yegor Yefremov
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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_esp32_ttgo-t-beam
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* @brief Peripheral MCU configuration for TTGO T-Beam board
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* @{
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*
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* TTGO T-Beam is an ESP32 development board with 4 MB Flash that
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* uses the EPS32 chip directly. It integrates a SemTech SX1276 or SX1278 for
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* LoRaWAN communication in the 433 MHz or the 868/915 MHz band, respectively.
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* Additionally, it has an GPS receiver connected via UART on board.
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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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* @note
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* Most definitions can be overridden by an \ref esp32_application_specific_configurations
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* "application-specific board configuration".
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*
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* @file
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* @author Yegor Yefremov <yegorslists@googlemail.com>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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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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* @note As long as the GPIOs listed in ADC_GPIOS are not initialized as ADC
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* channels with the \ref adc_init function, they can be used for other
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* purposes.
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*/
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#ifndef ADC_GPIOS
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#if MODULE_ESP32_TTGO_T_BEAM_V1_0
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#define ADC_GPIOS { GPIO0, GPIO2, GPIO4, GPIO13, GPIO25, \
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GPIO32, GPIO33, GPIO35 }
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#else
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#define ADC_GPIOS { GPIO0, GPIO2, GPIO4, GPIO13, GPIO25, \
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GPIO32, GPIO33, GPIO34, GPIO35 }
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#endif
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#endif
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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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* @note As long as the GPIOs listed in DAC_GPIOS are not initialized as DAC
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* channels with the \ref dac_init function, they can be used for other
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* purposes.
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*
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* Since all DAC GPIOs are used for board control functions, there are no
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* GPIOs left that can be used as DAC channels.
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*/
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#ifndef DAC_GPIOS
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#define DAC_GPIOS { GPIO25 }
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#endif
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/** @} */
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/**
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* @name I2C configuration
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*
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* Only I2C interface I2C_DEV(0) is used.
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*
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* @note The GPIOs listed in the configuration are only initialized as I2C
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* signals when module `periph_i2c` is used. Otherwise they are not
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* allocated and can be used for other purposes.
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*
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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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#ifndef I2C0_SCL
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#define I2C0_SCL GPIO22 /**< SCL signal of I2C_DEV(0) */
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#endif
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#ifndef I2C0_SDA
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#define I2C0_SDA GPIO21 /**< SDA signal of I2C_DEV(0) */
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#endif
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/** @} */
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/**
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* @name PWM channel configuration
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*
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* @note As long as the according PWM device is not initialized with
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* the `pwm_init`, the GPIOs declared for this device can be used
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* for other purposes.
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*
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* @{
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*/
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/** PWM channels for device PWM_DEV(0) */
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#ifndef PWM0_GPIOS
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#define PWM0_GPIOS { GPIO14, GPIO0, GPIO2, GPIO25 }
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#endif
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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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*/
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#ifndef SPI0_CTRL
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#define SPI0_CTRL VSPI /**< VSPI is used as SPI_DEV(0) */
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#endif
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#ifndef SPI0_SCK
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#define SPI0_SCK GPIO5 /**< VSPI SCK */
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#endif
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#ifndef SPI0_MISO
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#define SPI0_MISO GPIO19 /**< VSPI MISO */
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#endif
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#ifndef SPI0_MOSI
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#define SPI0_MOSI GPIO27 /**< VSPI MOSI */
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#endif
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#ifndef SPI0_CS0
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#define SPI0_CS0 GPIO18 /**< VSPI CS0 */
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#endif
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/** @} */
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/**
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* @name UART configuration
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*
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* ESP32 provides 3 UART interfaces at maximum:
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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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* UART_DEV(2) is not used.<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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#ifndef UART1_TXD
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#if MODULE_ESP32_TTGO_T_BEAM_V1_0
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#define UART1_TXD GPIO12 /**< direct I/O pin for UART_DEV(1) TxD */
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#else
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#define UART1_TXD GPIO15 /**< direct I/O pin for UART_DEV(1) TxD */
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#endif /* MODULE_ESP32_TTGO_T_BEAM_V1_0 */
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#endif
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#ifndef UART1_RXD
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#if MODULE_ESP32_TTGO_T_BEAM_V1_0
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#define UART1_RXD GPIO34 /**< direct I/O pin for UART_DEV(1) RxD */
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#else
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#define UART1_RXD GPIO12 /**< direct I/O pin for UART_DEV(1) RxD */
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#endif /* MODULE_ESP32_TTGO_T_BEAM_V1_0 */
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#endif
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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 board definitions as last step */
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#include "periph_conf_common.h"
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#endif /* PERIPH_CONF_H */
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/** @} */
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