733094aead
The RP2040 is new microcontroller from Raspberry Pi that features two Cortex M0s and eight PIO state machines that are good for crunching lots of data. It has 264k RAM and a built in UF2 bootloader too. Datasheet: https://pico.raspberrypi.org/files/rp2040_datasheet.pdf
54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H
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#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H
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#include <assert.h>
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#include <stdint.h>
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#include <py/obj.h>
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#include "peripherals/pins.h"
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#ifdef MICROPY_HW_NEOPIXEL
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extern bool neopixel_in_use;
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#endif
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#ifdef MICROPY_HW_APA102_MOSI
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extern bool apa102_sck_in_use;
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extern bool apa102_mosi_in_use;
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#endif
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void reset_all_pins(void);
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// reset_pin_number takes the pin number instead of the pointer so that objects don't
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// need to store a full pointer.
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void reset_pin_number(uint8_t pin_number);
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void never_reset_pin_number(uint8_t pin_number);
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void claim_pin(const mcu_pin_obj_t* pin);
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bool pin_number_is_free(uint8_t pin_number);
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#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H
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