mirror of
https://github.com/RIOT-OS/RIOT.git
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168 lines
4.0 KiB
C
168 lines
4.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2016 Inria
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* SPDX-License-Identifier: LGPL-2.1-only
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*/
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#pragma once
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/**
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* @ingroup boards_common_arduino_zero
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* @{
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*
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* @file
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* @brief Mapping from MCU pins to Arduino pins
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*
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* You can use the defines in this file for simplified interaction with the
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* Arduino specific pin numbers.
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*/
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#include "periph/adc.h"
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#include "periph/gpio.h"
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#include "periph/i2c.h"
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#include "periph/pwm.h"
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#include "periph/spi.h"
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#include "periph/uart.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 Arduino's UART devices
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* @{
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*/
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#define ARDUINO_UART_D0D1 UART_DEV(1)
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/** @} */
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/**
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* @name Arduino's SPI buses
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* @{
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*/
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/**
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* @brief SPI_DEV(0) is connected to the ISP header
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*/
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#define ARDUINO_SPI_ISP SPI_DEV(0)
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/** @} */
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/**
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* @name Arduino's I2C buses
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* @{
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*/
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/**
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* @brief The first I2C bus is next to the AREF pin
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*/
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#define ARDUINO_I2C_UNO I2C_DEV(0)
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/** @} */
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/**
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* @name Mapping of MCU pins to Arduino pins
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* @{
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*/
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/* The WeMos Zero / HW-819 has D2 and D4 swapped compared to official Arduino
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* Zero, so we have to handle D2 and D4 differently depending on board */
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#ifdef BOARD_WEMOS_ZERO
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# define ARDUINO_PIN_2 GPIO_PIN(PA, 8)
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# define ARDUINO_PIN_4 GPIO_PIN(PA, 14)
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#else /* Official Arduino Zero or fully compatible: */
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# define ARDUINO_PIN_2 GPIO_PIN(PA, 14)
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# define ARDUINO_PIN_4 GPIO_PIN(PA, 8)
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#endif
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/* all other pins are identical for all currently supported Arduino Zero
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* compatible boards */
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#define ARDUINO_PIN_0 GPIO_PIN(PA, 11)
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#define ARDUINO_PIN_1 GPIO_PIN(PA, 10)
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#define ARDUINO_PIN_3 GPIO_PIN(PA, 9)
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#define ARDUINO_PIN_5 GPIO_PIN(PA, 15)
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#define ARDUINO_PIN_6 GPIO_PIN(PA, 20)
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#define ARDUINO_PIN_7 GPIO_PIN(PA, 21)
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#define ARDUINO_PIN_8 GPIO_PIN(PA, 6)
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#define ARDUINO_PIN_9 GPIO_PIN(PA, 7)
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#define ARDUINO_PIN_10 GPIO_PIN(PA, 18)
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#define ARDUINO_PIN_11 GPIO_PIN(PA, 16)
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#define ARDUINO_PIN_12 GPIO_PIN(PA, 19)
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#define ARDUINO_PIN_13 GPIO_PIN(PA, 17) /* on-board LED */
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/* analog pins as digital pin: */
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#define ARDUINO_PIN_14 GPIO_PIN(PA, 2)
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#define ARDUINO_PIN_15 GPIO_PIN(PB, 8)
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#define ARDUINO_PIN_16 GPIO_PIN(PB, 9)
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#define ARDUINO_PIN_17 GPIO_PIN(PA, 4)
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#define ARDUINO_PIN_18 GPIO_PIN(PA, 5)
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#define ARDUINO_PIN_19 GPIO_PIN(PB, 2)
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#define ARDUINO_PIN_LAST 19
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/** @} */
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/**
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* @name Aliases for analog pins
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* @{
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*/
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#define ARDUINO_PIN_A0 ARDUINO_PIN_14
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#define ARDUINO_PIN_A1 ARDUINO_PIN_15
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#define ARDUINO_PIN_A2 ARDUINO_PIN_16
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#define ARDUINO_PIN_A3 ARDUINO_PIN_17
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#define ARDUINO_PIN_A4 ARDUINO_PIN_18
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#define ARDUINO_PIN_A5 ARDUINO_PIN_19
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/** @} */
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/**
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* @name Mapping of Arduino analog pins to RIOT ADC lines
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* @{
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*/
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#define ARDUINO_A0 ADC_LINE(0)
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#define ARDUINO_A1 ADC_LINE(1)
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#define ARDUINO_A2 ADC_LINE(2)
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#define ARDUINO_A3 ADC_LINE(3)
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#define ARDUINO_A4 ADC_LINE(4)
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#define ARDUINO_A5 ADC_LINE(5)
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#define ARDUINO_ANALOG_PIN_LAST 5
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/** @} */
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/**
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* @name Mapping of Arduino pins to RIOT PWM dev and channel pairs
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* @{
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*/
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/**
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* @brief PWM frequency
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*/
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#define ARDUINO_PWM_FREQU (732U)
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#define ARDUINO_PIN_3_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_3_PWM_CHAN 1
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#define ARDUINO_PIN_4_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_4_PWM_CHAN 0
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#define ARDUINO_PIN_8_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_8_PWM_CHAN 0
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#define ARDUINO_PIN_9_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_9_PWM_CHAN 1
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/** @} */
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/**
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* @name Arduino's SPI buses
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* @{
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*/
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/**
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* @brief SPI_DEV(0) is connected to the ISP
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*/
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#define ARDUINO_SPI_ISP SPI_DEV(0)
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/**
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* @brief SPI_DEV(1) is connected to D11/D12/D13
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*/
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#define ARDUINO_SPI_D11D12D13 SPI_DEV(1)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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