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Merge pull request #20286 from chrysn-pull-requests/nrf52dk-arduino

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boards/nrf52dk: Minimal Arduino pinout support
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Marian Buschsieweke 2024-01-23 05:27:23 +00:00 committed by GitHub
commit e5cb676dfe
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5
boards/nrf52dk/Makefile.features
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CPU_MODEL = nrf52832xxaa
FEATURES_PROVIDED += arduino_i2c
FEATURES_PROVIDED += arduino_spi
FEATURES_PROVIDED += arduino_pins
FEATURES_PROVIDED += arduino_shield_uno
include $(RIOTBOARD)/common/nrf52xxxdk/Makefile.features

114
boards/nrf52dk/include/arduino_iomap.h Normal file
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/*
* Copyright (C) 2024 Christian Amsüss <chrysn@fsfe.org>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_nrf52dk
* @{
*
* @file
* @brief Mapping from MCU pins to Arduino pins
*
* @author Christian Amsüss <chrysn@fsfe.org>
*
*/
#ifndef ARDUINO_IOMAP_H
#define ARDUINO_IOMAP_H
#include "periph/gpio.h"
#include "periph/adc.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Mapping of MCU pins to Arduino pins
*
* For reference, see schematic file `nRF52 Development Kit - Hardware files
* 3_0_0/PCA10040-nRF52832 Development Board 3_0_0/Schematic_Layout pdf
* files/PCA10040_Schematic_And_PCB.pdf` in
* `nrf52-development-kit---hardware-files-3_0_0.zip` from
* <https://www.nordicsemi.com/Products/Development-hardware/nRF52-DK/Download?lang=en#infotabs>,
* page 2 areas CD123
*
* @{
*/
#define ARDUINO_PIN_0 GPIO_PIN(0, 11)
#define ARDUINO_PIN_1 GPIO_PIN(0, 12)
#define ARDUINO_PIN_2 GPIO_PIN(0, 13)
#define ARDUINO_PIN_3 GPIO_PIN(0, 14)
#define ARDUINO_PIN_4 GPIO_PIN(0, 15)
#define ARDUINO_PIN_5 GPIO_PIN(0, 16)
/* Those interact with LEDs, SWO and IOEXP_IRQ */
#define ARDUINO_PIN_6 GPIO_PIN(0, 17)
#define ARDUINO_PIN_7 GPIO_PIN(0, 18)
#define ARDUINO_PIN_8 GPIO_PIN(0, 19)
#define ARDUINO_PIN_9 GPIO_PIN(0, 20)
#define ARDUINO_PIN_10 GPIO_PIN(0, 22)
#define ARDUINO_PIN_11 GPIO_PIN(0, 23)
#define ARDUINO_PIN_12 GPIO_PIN(0, 24)
#define ARDUINO_PIN_13 GPIO_PIN(0, 25)
#define ARDUINO_PIN_14 GPIO_PIN(0, 0)
#define ARDUINO_PIN_15 GPIO_PIN(0, 1)
/* Also RESET */
#define ARDUINO_PIN_16 GPIO_PIN(0, 21)
/* These are also UART ports */
#define ARDUINO_PIN_17 GPIO_PIN(0, 5)
#define ARDUINO_PIN_18 GPIO_PIN(0, 6)
#define ARDUINO_PIN_19 GPIO_PIN(0, 7)
#define ARDUINO_PIN_20 GPIO_PIN(0, 8)
#define ARDUINO_PIN_21 GPIO_PIN(0, 9)
#define ARDUINO_PIN_22 GPIO_PIN(0, 10)
#define ARDUINO_PIN_LAST 22
/** @} */
/**
* @name Aliases for analog pins
* @{
*/
#define ARDUINO_PIN_A0 GPIO_PIN(0, 3)
#define ARDUINO_PIN_A1 GPIO_PIN(0, 4)
#define ARDUINO_PIN_A2 GPIO_PIN(0, 28)
#define ARDUINO_PIN_A3 GPIO_PIN(0, 29)
#define ARDUINO_PIN_A4 GPIO_PIN(0, 30)
#define ARDUINO_PIN_A5 GPIO_PIN(0, 31)
/** @} */
/**
* @name Arduino's I2C buses
* @{
*/
/**
* @brief The only configured I2C
*/
#define ARDUINO_I2C_UNO I2C_DEV(0)
/** @} */
/**
* @name Arduino's SPI buses
* @{
*/
/**
* @brief D11..13 is 0.23..0.25, which is called SPI_DEV(0) here
*/
#define ARDUINO_SPI_D11D12D13 SPI_DEV(0)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* ARDUINO_IOMAP_H */
/** @} */