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circuitpython/ports/nrf/peripherals/nrf/pins.h

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2.5 KiB

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Dan Halbert for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// DO NOT include this file directly. Use shared-bindings/microcontroller/Pin.h instead to ensure
// that all necessary includes are already included.
#ifndef __MICROPY_INCLUDED_NRF_PERIPHERALS_PINS_H__
#define __MICROPY_INCLUDED_NRF_PERIPHERALS_PINS_H__
#include <stdint.h>
#include <stdbool.h>
#include "nrf_gpio.h"
typedef struct {
mp_obj_base_t base;
// These could be squeezed to fewer bits if more fields are needed.
uint8_t number; // port << 5 | pin number in port (0-31): 6 bits needed
uint8_t adc_channel; // 0 is no ADC, ADC channel from 1 to 8:
// 4 bits needed here; 5 bits used in periph registers
} mcu_pin_obj_t;
extern const mp_obj_type_t mcu_pin_type;
// Used in device-specific pins.c
#define PIN(p_name, p_port, p_pin, p_adc_channel) \
{ \
{ &mcu_pin_type }, \
.number = NRF_GPIO_PIN_MAP(p_port, p_pin), \
.adc_channel = (p_adc_channel), \
}
// Use illegal pin value to mark unassigned pins.
#define NO_PIN 0xff
// Choose based on chip, but not specifically revision (e.g., not NRF52840_XXAA)
#ifdef NRF52840
#include "nrf52840/pins.h"
#endif
// Choose based on chip, but not specifically revision (e.g., not NRF52840_XXAA)
#ifdef NRF52833
#include "nrf52833/pins.h"
#endif
#endif // __MICROPY_INCLUDED_NRF_PERIPHERALS_PINS_H__