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https://github.com/RIOT-OS/RIOT.git
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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/*
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* Copyright (C) 2022 Gunar Schorcht
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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_esp32s2_lilygo_ttgo_t8
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* @brief Board definitions for the LILYGO TTGO T8 ESP32-S2 board
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* @{
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*
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* The board definitions in this file are valid for the LILYGO TTGO T8 ESP32-S2
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* board.
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*
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* @note
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* Most definitions can be overridden by an
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* \ref esp32_application_specific_configurations
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* "application-specific board configuration" if necessary.
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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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#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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* LILYGO TTGO T8 ESP32-S2 boards have a BOOT button connected to GPIO0, which
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* can be used as button during normal operation. Since the GPIO9 pin is pulled up,
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* the button signal is inverted, i.e., pressing the button will give a
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* low signal.
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*/
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#define BTN0_PIN GPIO0
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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_PU
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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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* @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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* @name SD-Card interface configuration
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*
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* SD-Card interface uses SPI_DEV(1) on this board.
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* @{
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*/
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#if (MODULE_SDCARD_SPI) || DOXYGEN
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#define SDCARD_SPI_PARAM_SPI SPI_DEV(1)
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#define SDCARD_SPI_PARAM_CS SPI1_CS0
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#define SDCARD_SPI_PARAM_CLK SPI1_SCK
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#define SDCARD_SPI_PARAM_MOSI SPI1_MOSI
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#define SDCARD_SPI_PARAM_MISO SPI1_MISO
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#define SDCARD_SPI_PARAM_POWER GPIO_UNDEF
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#endif
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/** @} */
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/**
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* @name OLED display configuration
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*
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* OLED display uses SPI_DEV(0) on this board.
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* @{
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*/
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#if defined(MODULE_ST77XX)
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#define ST77XX_PARAM_CNTRL ST77XX_CNTRL_ST7789
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#define ST77XX_PARAM_SPI SPI_DEV(0) /**< SPI device */
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#define ST77XX_PARAM_SPI_CLK SPI_CLK_10MHZ /**< SPI clock frequency */
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#define ST77XX_PARAM_SPI_MODE SPI_MODE_0 /**< SPI mode */
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#define ST77XX_PARAM_CS GPIO34 /**< Chip Select pin */
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#define ST77XX_PARAM_DCX GPIO37 /**< DCX pin */
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#define ST77XX_PARAM_RST GPIO38 /**< Reset pin */
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#define ST77XX_PARAM_RGB 1 /**< RGB mode enable */
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#define ST77XX_PARAM_INVERTED 1 /**< Inverted mode enable */
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#define ST77XX_PARAM_NUM_LINES 240U /**< Number of lines */
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#define ST77XX_PARAM_RGB_CHANNELS 135U /**< Number of columns */
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#define ST77XX_PARAM_ROTATION ST77XX_ROTATION_270 /**< Rotation */
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#define ST77XX_PARAM_OFFSET_X 40 /**< X offset */
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#define ST77XX_PARAM_OFFSET_Y 52 /**< Y offset */
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#endif
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/** @} */
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/**
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* @name Backlight control
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* @{
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*/
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#define BACKLIGHT_PIN GPIO33 /**< Backlight pin */
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#define BACKLIGHT_ON gpio_set(BACKLIGHT_PIN) /**< Turn backlight on */
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#define BACKLIGHT_OFF gpio_clear(BACKLIGHT_PIN) /**< Turn backlight off */
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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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