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boards/nrf52840dk: add Arduino I/O mapping
This commit is contained in:
Marian Buschsieweke
parent
b209fdd76c
commit
c6d9f1749c
@ -12,6 +12,14 @@ config BOARD_NRF52840DK
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default y
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select BOARDS_COMMON_NRF52XXXDK
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select CPU_MODEL_NRF52840XXAA
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select HAS_ARDUINO_ANALOG
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select HAS_ARDUINO_I2C
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select HAS_ARDUINO_PINS
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select HAS_ARDUINO_SHIELD_ISP
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select HAS_ARDUINO_SHIELD_MEGA
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select HAS_ARDUINO_SHIELD_UNO
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select HAS_ARDUINO_SPI
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select HAS_ARDUINO_UART
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select HAS_PERIPH_PWM
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select HAS_PERIPH_USBDEV
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select HAS_TINYUSB_DEVICE
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@ -3,6 +3,14 @@ CPU_MODEL = nrf52840xxaa
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include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.features
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# Various other features (if any)
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FEATURES_PROVIDED += arduino_analog
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FEATURES_PROVIDED += arduino_i2c
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FEATURES_PROVIDED += arduino_pins
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FEATURES_PROVIDED += arduino_shield_isp
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FEATURES_PROVIDED += arduino_shield_mega
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FEATURES_PROVIDED += arduino_shield_uno
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FEATURES_PROVIDED += arduino_spi
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FEATURES_PROVIDED += arduino_uart
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FEATURES_PROVIDED += periph_pwm
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FEATURES_PROVIDED += periph_usbdev
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FEATURES_PROVIDED += tinyusb_device
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180
boards/nrf52840dk/include/arduino_iomap.h
Normal file
180
boards/nrf52840dk/include/arduino_iomap.h
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@ -0,0 +1,180 @@
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/*
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* Copyright (C) 2023 Otto-von-Guericke-Universität Magdeburg
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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_nrf52840dk
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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 Marian Buschsieweke <marian.buschsieweke@ovgu.de>
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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/gpio.h"
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#include "periph/adc.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(1) is connected to D11/D12/D13
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*/
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/* D11/D12/D13 are on P1.13, P1.14, P1.15 */
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#define ARDUINO_SPI_D11D12D13 SPI_DEV(0)
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/* The ISP SPI bus is also connected to P1.13, P1.14, P1.15 */
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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 where shields for the Arduino UNO/Mega expect
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* it
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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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/* P3 header on the nRF52840DK */
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#define ARDUINO_PIN_0 GPIO_PIN(1, 1)
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#define ARDUINO_PIN_1 GPIO_PIN(1, 2)
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#define ARDUINO_PIN_2 GPIO_PIN(1, 3)
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#define ARDUINO_PIN_3 GPIO_PIN(1, 4)
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#define ARDUINO_PIN_4 GPIO_PIN(1, 5)
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#define ARDUINO_PIN_5 GPIO_PIN(1, 6)
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#define ARDUINO_PIN_6 GPIO_PIN(1, 7)
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#define ARDUINO_PIN_7 GPIO_PIN(1, 8)
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/* P4 header on the nRF52840DK */
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#define ARDUINO_PIN_8 GPIO_PIN(1, 10)
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#define ARDUINO_PIN_9 GPIO_PIN(1, 11)
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#define ARDUINO_PIN_10 GPIO_PIN(1, 12)
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#define ARDUINO_PIN_11 GPIO_PIN(1, 13)
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#define ARDUINO_PIN_12 GPIO_PIN(1, 14)
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#define ARDUINO_PIN_13 GPIO_PIN(1, 15)
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/* SCL and SDA on this header are not available as digital pins in the
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* Arduino world. It is P0.26 and P0.27 here, though. Also what would be
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* AREF in the Arduino world is P0.02 here */
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/* P6 header on the nRF52840DK */
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#define ARDUINO_PIN_14 GPIO_PIN(0, 10)
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#define ARDUINO_PIN_15 GPIO_PIN(0, 9)
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#define ARDUINO_PIN_16 GPIO_PIN(0, 8)
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#define ARDUINO_PIN_17 GPIO_PIN(0, 7)
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#define ARDUINO_PIN_18 GPIO_PIN(0, 6)
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#define ARDUINO_PIN_19 GPIO_PIN(0, 5)
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#define ARDUINO_PIN_20 GPIO_PIN(0, 1)
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#define ARDUINO_PIN_21 GPIO_PIN(0, 0)
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/* P24 header on the nRF52840DK
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* Note: The header is one column short on the right (missing a column of
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* two 5V supply pins) and 8 columns on the left (missing D40 to D53
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* and two GND on the leftmost column).
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* Warning: Where D39 is expected a GND pin is sitting instead */
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#define ARDUINO_PIN_22 GPIO_PIN(0, 11)
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#define ARDUINO_PIN_23 GPIO_PIN(0, 12)
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#define ARDUINO_PIN_24 GPIO_PIN(0, 13)
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#define ARDUINO_PIN_25 GPIO_PIN(0, 14)
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#define ARDUINO_PIN_26 GPIO_PIN(0, 15)
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#define ARDUINO_PIN_27 GPIO_PIN(0, 16)
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#define ARDUINO_PIN_28 GPIO_PIN(0, 17)
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#define ARDUINO_PIN_29 GPIO_PIN(0, 18)
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#define ARDUINO_PIN_30 GPIO_PIN(0, 19)
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#define ARDUINO_PIN_31 GPIO_PIN(0, 20)
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#define ARDUINO_PIN_32 GPIO_PIN(0, 21)
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#define ARDUINO_PIN_33 GPIO_PIN(0, 22)
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#define ARDUINO_PIN_34 GPIO_PIN(0, 23)
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#define ARDUINO_PIN_35 GPIO_PIN(0, 24)
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#define ARDUINO_PIN_36 GPIO_PIN(0, 25)
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#define ARDUINO_PIN_37 GPIO_PIN(1, 0)
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#define ARDUINO_PIN_38 GPIO_PIN(1, 9)
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/* P2 header on the nRF52840DK
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* Note: This header only provides A0 - A5, but it should be two pins
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* longer for full Arduino Mega compatibility */
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#define ARDUINO_PIN_54 GPIO_PIN(0, 3)
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#define ARDUINO_PIN_55 GPIO_PIN(0, 4)
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#define ARDUINO_PIN_56 GPIO_PIN(0, 28)
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#define ARDUINO_PIN_57 GPIO_PIN(0, 29)
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#define ARDUINO_PIN_58 GPIO_PIN(0, 30)
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#define ARDUINO_PIN_59 GPIO_PIN(0, 31)
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/* Note: There is no header for A8 - A15 present, which would be required
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* for full Arduino Mega compatibility */
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#define ARDUINO_PIN_LAST 59
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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_54
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#define ARDUINO_PIN_A1 ARDUINO_PIN_55
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#define ARDUINO_PIN_A2 ARDUINO_PIN_56
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#define ARDUINO_PIN_A3 ARDUINO_PIN_57
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#define ARDUINO_PIN_A4 ARDUINO_PIN_58
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#define ARDUINO_PIN_A5 ARDUINO_PIN_59
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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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/* The nRF52840 has a fixed ADC to GPIO mapping:
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*
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* nRF | MCU pin | Exposed as Arduino pin
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* -----|-----------|-----------------------
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* AIN0 | P0.02 | AREF
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* AIN1 | P0.03 | A0 (D54)
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* AIN2 | P0.04 | A1 (D55)
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* AIN3 | P0.05 | - (D19)
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* AIN4 | P0.28 | A2 (D56)
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* AIN5 | P0.29 | A3 (D57)
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* AIN6 | P0.30 | A4 (D48)
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* AIN7 | P0.31 | A5 (D59)
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*/
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#define ARDUINO_A0 ADC_LINE(1)
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#define ARDUINO_A1 ADC_LINE(2)
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#define ARDUINO_A2 ADC_LINE(4)
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#define ARDUINO_A3 ADC_LINE(5)
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#define ARDUINO_A4 ADC_LINE(6)
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#define ARDUINO_A5 ADC_LINE(7)
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#define ARDUINO_ANALOG_PIN_LAST 5
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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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