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https://github.com/RIOT-OS/RIOT.git
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043e8cc88e
- Rename all `arduino_pinmap.h` to `arduino_iomap.h` - An empty `arduino_pinmap.h` that just includes `arduino_iomap.h` is provided for backward compatibility - Move all info from `arduino_board.h` into the new file as trivial macros, so that they can also be used outside of sketches - The new name reflects the fact not just pin mappings, but also other I/O features such as PWMs are mapped - Drop all `arduino_board.h` - `arduino_board.h` and `arduino_iomap.h` now provide the exact same information, just in a different format - a generic `arduino_board.h` is provided instead that just uses the info in `arduinio_iomap.h` and provides them in the format the code in `sys/arduino` expects it - Add fine grained features to indicate for mappings - availability of mappings for analog pins, DAC pins, PWM pins, UART devices, SPI/I2C buses to the corresponding RIOT identification can now be expressed: - `arduino_pins`: `ARDUINO_PIN_0` etc. are available - `arduino_analog`: `ARDUINO_A0` etc. are available - `arduino_pwm`: `ARDUINO_PIN_13_PWM_DEV` etc. are available - `arduino_dac`: `ARDUINO_DAC0` etc. are available - `arduino_uart`: `ARDUINO_UART_D0D1` or similar are available - `arduino_spi`: `ARDUINO_SPI_ISP` or similar are available - `arduino_i2c`: `ARDUINO_I2C_UNO` or similar are available - mechanical/electrical compatibility with specific form factors can now be expressed as features: - `aruino_shield_nano`: Arduino NANO compatible headers - `aruino_shield_uno`: Arduino UNO compatible headers - `aruino_shield_mega`: Arduino MEGA compatible headers - `aruino_shield_isp`: ISP header is available This provides the groundwork to implement shield support as modules that can rely on the I/O mappings, rather than having to provide a configuration per board.
130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/*
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* Copyright (C) 2020 Gunar Schorcht
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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_waveshare_nrf52840_eval_kit
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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 Gunar Schorcht <gunar@schorcht.net>
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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 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(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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#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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#define ARDUINO_PIN_14 GPIO_PIN(0, 3)
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#define ARDUINO_PIN_15 GPIO_PIN(0, 4)
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#define ARDUINO_PIN_16 GPIO_PIN(0, 28)
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#define ARDUINO_PIN_17 GPIO_PIN(0, 29)
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#define ARDUINO_PIN_18 GPIO_PIN(0, 30)
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#define ARDUINO_PIN_19 GPIO_PIN(0, 31)
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#define ARDUINO_PIN_20 GPIO_PIN(0, 13)
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#define ARDUINO_PIN_21 GPIO_PIN(0, 14)
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#define ARDUINO_PIN_22 GPIO_PIN(1, 9)
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#define ARDUINO_PIN_23 GPIO_PIN(0, 16)
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#define ARDUINO_PIN_LAST 23
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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(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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/**
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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 (15625U)
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#define ARDUINO_PIN_3_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_3_PWM_CHAN 0
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#define ARDUINO_PIN_5_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_5_PWM_CHAN 1
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#define ARDUINO_PIN_6_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_6_PWM_CHAN 2
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#define ARDUINO_PIN_9_PWM_DEV PWM_DEV(0)
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#define ARDUINO_PIN_9_PWM_CHAN 3
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#define ARDUINO_PIN_20_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_20_PWM_CHAN 0
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#define ARDUINO_PIN_21_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_21_PWM_CHAN 1
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#define ARDUINO_PIN_22_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_22_PWM_CHAN 2
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#define ARDUINO_PIN_23_PWM_DEV PWM_DEV(1)
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#define ARDUINO_PIN_23_PWM_CHAN 3
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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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