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RIOT/boards/nrf51dk/include/arduino_iomap.h
2023-11-24 09:49:19 +01:00

124 lines
3.3 KiB
C

/*
* Copyright (C) 2023 Otto-von-Guericke-Universität Magdeburg
*
* 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_nrf51dk
* @{
*
* @file
* @brief Mapping from MCU pins to Arduino pins
*
* You can use the defines in this file for simplified interaction with the
* Arduino specific pin numbers.
*
* @author Marian Buschsieweke <marian.buschsieweke@ovgu.de>
*/
#ifndef ARDUINO_IOMAP_H
#define ARDUINO_IOMAP_H
#include "periph/gpio.h"
#include "periph/adc.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Arduino's SPI buses
* @{
*/
/**
* @brief SPI_DEV(0) is connected to D11/D12/D13
*/
/* D11/D12/D13 are on P0.25, P0.28, P0.29 */
#define ARDUINO_SPI_D11D12D13 SPI_DEV(0)
/* The ISP SPI bus is also connected to P0.25, P0.28, P0.29 */
#define ARDUINO_SPI_ISP SPI_DEV(0)
/** @} */
/**
* @name Arduino's I2C buses
* @{
*/
/**
* @brief The first I2C bus is where shields for the Arduino UNO/Mega expect
* it
*/
#define ARDUINO_I2C_UNO I2C_DEV(0)
/** @} */
/**
* @name Mapping of MCU pins to Arduino pins
* @{
*/
/* P3 header on the nRF51DK */
#define ARDUINO_PIN_0 GPIO_PIN(0, 12)
#define ARDUINO_PIN_1 GPIO_PIN(0, 13)
#define ARDUINO_PIN_2 GPIO_PIN(0, 14)
#define ARDUINO_PIN_3 GPIO_PIN(0, 15)
#define ARDUINO_PIN_4 GPIO_PIN(0, 16)
#define ARDUINO_PIN_5 GPIO_PIN(0, 17)
#define ARDUINO_PIN_6 GPIO_PIN(0, 18)
#define ARDUINO_PIN_7 GPIO_PIN(0, 19)
/* P4 header on the nRF51DK */
#define ARDUINO_PIN_8 GPIO_PIN(0, 20)
#define ARDUINO_PIN_9 GPIO_PIN(0, 23)
#define ARDUINO_PIN_10 GPIO_PIN(0, 24)
#define ARDUINO_PIN_11 GPIO_PIN(0, 25)
#define ARDUINO_PIN_12 GPIO_PIN(0, 28)
#define ARDUINO_PIN_13 GPIO_PIN(0, 29)
/* SCL and SDA on this header are not available as digital pins in the
* Arduino world. It is P0.30 and P0.07 here, though. Also what would be
* AREF in the Arduino world is P0.00 here */
/* P2 header on the nRF51DK */
#define ARDUINO_PIN_14 GPIO_PIN(0, 1)
#define ARDUINO_PIN_15 GPIO_PIN(0, 2)
#define ARDUINO_PIN_16 GPIO_PIN(0, 3)
#define ARDUINO_PIN_17 GPIO_PIN(0, 4)
#define ARDUINO_PIN_18 GPIO_PIN(0, 5)
#define ARDUINO_PIN_19 GPIO_PIN(0, 6)
#define ARDUINO_PIN_LAST 19
/** @} */
/**
* @name Aliases for analog pins
* @{
*/
#define ARDUINO_PIN_A0 ARDUINO_PIN_14
#define ARDUINO_PIN_A1 ARDUINO_PIN_15
#define ARDUINO_PIN_A2 ARDUINO_PIN_16
#define ARDUINO_PIN_A3 ARDUINO_PIN_17
#define ARDUINO_PIN_A4 ARDUINO_PIN_18
#define ARDUINO_PIN_A5 ARDUINO_PIN_19
/** @} */
/**
* @name Mapping of Arduino analog pins to RIOT ADC lines
* @{
*/
#define ARDUINO_A0 ADC_LINE(0)
#define ARDUINO_A1 ADC_LINE(1)
#define ARDUINO_A2 ADC_LINE(2)
#define ARDUINO_A3 ADC_LINE(3)
#define ARDUINO_A4 ADC_LINE(4)
#define ARDUINO_A5 ADC_LINE(5)
#define ARDUINO_ANALOG_PIN_LAST 5
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* ARDUINO_IOMAP_H */
/** @} */