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cbf06649aa
The Arduino Zero based boards already provided the feature `arduino_spi`, but were missing the corresponding mapping. This fixes the issue by adding the SPI bus numbers for the ISP SPI bus and the D11D12D13 SPI bus. (And in order to actually add the D11D12D13 SPI bus, the `periph_conf.h` was extended to provide an SPI configuration for it.)
162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/*
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* Copyright (C) 2016 Inria
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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_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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#ifndef ARDUINO_IOMAP_H
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#define ARDUINO_IOMAP_H
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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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#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_2 GPIO_PIN(PA, 14)
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#define ARDUINO_PIN_3 GPIO_PIN(PA, 9)
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#define ARDUINO_PIN_4 GPIO_PIN(PA, 8)
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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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#endif /* ARDUINO_IOMAP_H */
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/** @} */
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