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108 lines
2.5 KiB
C
108 lines
2.5 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 Board specific definitions 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 8 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 OLED display connected via I2C 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 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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#if MODULE_ESP32_TTGO_T_BEAM_V1_0
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#define BTN0_PIN GPIO38
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#else
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#define BTN0_PIN GPIO39
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#endif
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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
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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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* @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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* @name LED (on-board) configuration
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*
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* @{
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*/
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#ifndef MODULE_ESP32_TTGO_T_BEAM_V1_0
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#define LED0_PIN GPIO14
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#define LED0_ACTIVE (1) /**< LED is high active */
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#endif
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/** @} */
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/**
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* @name SX127X
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*
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* SX127X configuration.
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* @{
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*/
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#define SX127X_PARAM_SPI_NSS GPIO18
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#define SX127X_PARAM_RESET GPIO23
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#define SX127X_PARAM_DIO0 GPIO26
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#define SX127X_PARAM_DIO1 GPIO_UNDEF /* Pin is not connected to the LoRa chip directly */
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#define SX127X_PARAM_DIO2 GPIO_UNDEF /* Pin is not connected to the LoRa chip directly */
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#define SX127X_PARAM_DIO3 GPIO_UNDEF
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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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