mirror of
https://github.com/RIOT-OS/RIOT.git
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05f114d0af
- most were trivial
- missing group close or open
- extra space
- no doxygen comment
- name commad might open an implicit group
this hould also be implicit cosed but does not happen somtimes
- crazy: internal declared groups have to be closed internal
136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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* Copyright (C) 2020 Google LLC
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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_esp-ethernet-kit
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* @brief Peripheral MCU configuration for Espressif ESP32-Ethernet-Kit
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* @file
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @author Erik Ekman <eekman@google.com>
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* @{
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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 `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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#define ADC_GPIOS { GPIO34, GPIO35, GPIO36, GPIO39 }
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#endif
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/** @} */
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/**
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* @name Declaration of GPIOs that can be used as DAC channels
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*
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* ESP32-Ethernet-Kit has no GPIOs left that might be used as DAC channels.
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* @{
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*/
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#ifndef DAC_GPIOS
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#define DAC_GPIOS { }
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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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* @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 GPIO33 /**< 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 GPIO32 /**< 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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#ifndef PWM0_GPIOS
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#ifdef BOARD_ESP32_ETHERNET_KIT_V1_0
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#define PWM0_GPIOS { GPIO4 }
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#else
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#define PWM0_GPIOS { GPIO2, GPIO4 }
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#endif
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#endif /* PWM0_GPIOS */
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/** @} */
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/**
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* @name SPI configuration
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*
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* SPI configuration depends on configured/connected components.
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*
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* HSPI is only available when all JTAG pins are disabled.
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*
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* @{
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*/
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#ifndef MODULE_ESP_JTAG
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#define SPI0_CTRL HSPI /**< HSPI is used as SPI_DEV(0) */
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#define SPI0_SCK GPIO14 /**< HSPI SCK */
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#define SPI0_MISO GPIO12 /**< HSPI MISO */
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#define SPI0_MOSI GPIO13 /**< HSPI MOSI */
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#define SPI0_CS0 GPIO15 /**< HSPI CS0 */
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#endif /* MODULE_ESP_JTAG not defined */
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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 not available.<br>
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* UART_DEV(2) is not available.<br>
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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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/** @} */
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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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