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RIOT-OS/RIOT
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RIOT/sys/arduino/include/arduino_board_pwm.h

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boards,sys/arduino: major clean up - 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.
2023-06-23 15:42:08 +02:00
/*
* 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 sys_arduino
* @{
*
* @file
* @brief Mapping of Arduino digital pin numbers to PWM settings
*
* @note The contents of this file are mostly generated using the
* python snippets documented. Do not edit these parts by hand,
* but rather adjust the python snippets and regenerate.
*
* @author Marian Buschsieweke <marian.buschsieweke@ovgu.de>
*/
#ifndef ARDUINO_BOARD_PWM_H
#define ARDUINO_BOARD_PWM_H
#include "arduino_iomap.h"
#include "periph/pwm.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef DOXYGEN
/**
* @brief PWM frequency
*/
#define ARDUINO_PWM_FREQU /* implementation defined */
#else
# ifndef ARDUINO_PWM_FREQU
# define ARDUINO_PWM_FREQU (490U)
# endif
#endif
/**
* @brief List of PWM GPIO mappings
*
* Generate using
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~{.py}
* format = """#ifdef ARDUINO_PIN_{0:}_PWM_DEV
* {{ .dev = ARDUINO_PIN_{0:}_PWM_DEV, .chan = ARDUINO_PIN_{0:}_PWM_CHAN, .pin = {0:} }},
* #endif"""
* for i in range(32):
* print(format.format(i))
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* We assume D0..D31 are the only candidates for PWM pins as a wild guess. Once
* this no longer holds, the list needs to be extended.
*/
static const arduino_pwm_t arduino_pwm_list[] = {
#ifdef ARDUINO_PIN_0_PWM_DEV
{ .dev = ARDUINO_PIN_0_PWM_DEV, .chan = ARDUINO_PIN_0_PWM_CHAN, .pin = 0 },
#endif
#ifdef ARDUINO_PIN_1_PWM_DEV
{ .dev = ARDUINO_PIN_1_PWM_DEV, .chan = ARDUINO_PIN_1_PWM_CHAN, .pin = 1 },
#endif
#ifdef ARDUINO_PIN_2_PWM_DEV
{ .dev = ARDUINO_PIN_2_PWM_DEV, .chan = ARDUINO_PIN_2_PWM_CHAN, .pin = 2 },
#endif
#ifdef ARDUINO_PIN_3_PWM_DEV
{ .dev = ARDUINO_PIN_3_PWM_DEV, .chan = ARDUINO_PIN_3_PWM_CHAN, .pin = 3 },
#endif
#ifdef ARDUINO_PIN_4_PWM_DEV
{ .dev = ARDUINO_PIN_4_PWM_DEV, .chan = ARDUINO_PIN_4_PWM_CHAN, .pin = 4 },
#endif
#ifdef ARDUINO_PIN_5_PWM_DEV
{ .dev = ARDUINO_PIN_5_PWM_DEV, .chan = ARDUINO_PIN_5_PWM_CHAN, .pin = 5 },
#endif
#ifdef ARDUINO_PIN_6_PWM_DEV
{ .dev = ARDUINO_PIN_6_PWM_DEV, .chan = ARDUINO_PIN_6_PWM_CHAN, .pin = 6 },
#endif
#ifdef ARDUINO_PIN_7_PWM_DEV
{ .dev = ARDUINO_PIN_7_PWM_DEV, .chan = ARDUINO_PIN_7_PWM_CHAN, .pin = 7 },
#endif
#ifdef ARDUINO_PIN_8_PWM_DEV
{ .dev = ARDUINO_PIN_8_PWM_DEV, .chan = ARDUINO_PIN_8_PWM_CHAN, .pin = 8 },
#endif
#ifdef ARDUINO_PIN_9_PWM_DEV
{ .dev = ARDUINO_PIN_9_PWM_DEV, .chan = ARDUINO_PIN_9_PWM_CHAN, .pin = 9 },
#endif
#ifdef ARDUINO_PIN_10_PWM_DEV
{ .dev = ARDUINO_PIN_10_PWM_DEV, .chan = ARDUINO_PIN_10_PWM_CHAN, .pin = 10 },
#endif
#ifdef ARDUINO_PIN_11_PWM_DEV
{ .dev = ARDUINO_PIN_11_PWM_DEV, .chan = ARDUINO_PIN_11_PWM_CHAN, .pin = 11 },
#endif
#ifdef ARDUINO_PIN_12_PWM_DEV
{ .dev = ARDUINO_PIN_12_PWM_DEV, .chan = ARDUINO_PIN_12_PWM_CHAN, .pin = 12 },
#endif
#ifdef ARDUINO_PIN_13_PWM_DEV
{ .dev = ARDUINO_PIN_13_PWM_DEV, .chan = ARDUINO_PIN_13_PWM_CHAN, .pin = 13 },
#endif
#ifdef ARDUINO_PIN_14_PWM_DEV
{ .dev = ARDUINO_PIN_14_PWM_DEV, .chan = ARDUINO_PIN_14_PWM_CHAN, .pin = 14 },
#endif
#ifdef ARDUINO_PIN_15_PWM_DEV
{ .dev = ARDUINO_PIN_15_PWM_DEV, .chan = ARDUINO_PIN_15_PWM_CHAN, .pin = 15 },
#endif
#ifdef ARDUINO_PIN_16_PWM_DEV
{ .dev = ARDUINO_PIN_16_PWM_DEV, .chan = ARDUINO_PIN_16_PWM_CHAN, .pin = 16 },
#endif
#ifdef ARDUINO_PIN_17_PWM_DEV
{ .dev = ARDUINO_PIN_17_PWM_DEV, .chan = ARDUINO_PIN_17_PWM_CHAN, .pin = 17 },
#endif
#ifdef ARDUINO_PIN_18_PWM_DEV
{ .dev = ARDUINO_PIN_18_PWM_DEV, .chan = ARDUINO_PIN_18_PWM_CHAN, .pin = 18 },
#endif
#ifdef ARDUINO_PIN_19_PWM_DEV
{ .dev = ARDUINO_PIN_19_PWM_DEV, .chan = ARDUINO_PIN_19_PWM_CHAN, .pin = 19 },
#endif
#ifdef ARDUINO_PIN_20_PWM_DEV
{ .dev = ARDUINO_PIN_20_PWM_DEV, .chan = ARDUINO_PIN_20_PWM_CHAN, .pin = 20 },
#endif
#ifdef ARDUINO_PIN_21_PWM_DEV
{ .dev = ARDUINO_PIN_21_PWM_DEV, .chan = ARDUINO_PIN_21_PWM_CHAN, .pin = 21 },
#endif
#ifdef ARDUINO_PIN_22_PWM_DEV
{ .dev = ARDUINO_PIN_22_PWM_DEV, .chan = ARDUINO_PIN_22_PWM_CHAN, .pin = 22 },
#endif
#ifdef ARDUINO_PIN_23_PWM_DEV
{ .dev = ARDUINO_PIN_23_PWM_DEV, .chan = ARDUINO_PIN_23_PWM_CHAN, .pin = 23 },
#endif
#ifdef ARDUINO_PIN_24_PWM_DEV
{ .dev = ARDUINO_PIN_24_PWM_DEV, .chan = ARDUINO_PIN_24_PWM_CHAN, .pin = 24 },
#endif
#ifdef ARDUINO_PIN_25_PWM_DEV
{ .dev = ARDUINO_PIN_25_PWM_DEV, .chan = ARDUINO_PIN_25_PWM_CHAN, .pin = 25 },
#endif
#ifdef ARDUINO_PIN_26_PWM_DEV
{ .dev = ARDUINO_PIN_26_PWM_DEV, .chan = ARDUINO_PIN_26_PWM_CHAN, .pin = 26 },
#endif
#ifdef ARDUINO_PIN_27_PWM_DEV
{ .dev = ARDUINO_PIN_27_PWM_DEV, .chan = ARDUINO_PIN_27_PWM_CHAN, .pin = 27 },
#endif
#ifdef ARDUINO_PIN_28_PWM_DEV
{ .dev = ARDUINO_PIN_28_PWM_DEV, .chan = ARDUINO_PIN_28_PWM_CHAN, .pin = 28 },
#endif
#ifdef ARDUINO_PIN_29_PWM_DEV
{ .dev = ARDUINO_PIN_29_PWM_DEV, .chan = ARDUINO_PIN_29_PWM_CHAN, .pin = 29 },
#endif
#ifdef ARDUINO_PIN_30_PWM_DEV
{ .dev = ARDUINO_PIN_30_PWM_DEV, .chan = ARDUINO_PIN_30_PWM_CHAN, .pin = 30 },
#endif
#ifdef ARDUINO_PIN_31_PWM_DEV
{ .dev = ARDUINO_PIN_31_PWM_DEV, .chan = ARDUINO_PIN_31_PWM_CHAN, .pin = 31 },
#endif
};
#ifdef __cplusplus
}
#endif
#endif /* ARDUINO_BOARD_PWM_H */
/** @} */
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