87 lines
3.2 KiB
C
87 lines
3.2 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) 2022 Ibrahim Abdelkader <iabdalkader@openmv.io>
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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_RP2_MACHINE_PIN_H
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#define MICROPY_INCLUDED_RP2_MACHINE_PIN_H
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#include <stdint.h>
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#include "py/obj.h"
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#include "py/mphal.h"
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enum {
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MACHINE_PIN_MODE_IN = 0,
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MACHINE_PIN_MODE_OUT = 1,
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MACHINE_PIN_MODE_OPEN_DRAIN = 2,
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MACHINE_PIN_MODE_ALT = 3,
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MACHINE_PIN_MODE_ANALOG = 4
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};
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typedef struct _machine_pin_af_obj_t {
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mp_obj_base_t base;
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qstr name;
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uint8_t idx : 4;
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uint8_t fn : 4;
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uint8_t unit : 8;
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} machine_pin_af_obj_t;
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typedef struct _machine_pin_obj_t {
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mp_obj_base_t base;
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qstr name;
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uint8_t id : 5;
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#if MICROPY_HW_PIN_EXT_COUNT
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uint8_t is_ext : 1;
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uint8_t is_output : 1;
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uint8_t last_output_value : 1;
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#endif
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uint8_t af_num : 4;
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const machine_pin_af_obj_t *af;
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} machine_pin_obj_t;
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extern const mp_obj_type_t machine_pin_af_type;
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// Include all of the individual pin objects
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#include "genhdr/pins.h"
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extern const mp_obj_type_t pin_cpu_pins_obj_type;
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extern const mp_obj_dict_t pin_cpu_pins_locals_dict;
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extern const mp_obj_type_t pin_board_pins_obj_type;
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extern const mp_obj_dict_t pin_board_pins_locals_dict;
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void machine_pin_ext_init(void);
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bool machine_pin_ext_is_adc_channel(const machine_pin_obj_t *self);
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uint32_t machine_pin_ext_to_adc_channel(const machine_pin_obj_t *self);
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void machine_pin_ext_set(machine_pin_obj_t *self, bool value);
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bool machine_pin_ext_get(machine_pin_obj_t *self);
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uint16_t machine_pin_ext_read_u16(uint32_t channel);
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void machine_pin_ext_config(machine_pin_obj_t *self, int mode, int value);
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const machine_pin_obj_t *machine_pin_find(mp_obj_t pin);
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const machine_pin_obj_t *machine_pin_find_named(const mp_obj_dict_t *named_pins, mp_obj_t name);
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const machine_pin_af_obj_t *machine_pin_find_alt(const machine_pin_obj_t *pin, uint8_t fn);
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const machine_pin_af_obj_t *machine_pin_find_alt_by_index(const machine_pin_obj_t *pin, mp_uint_t af_idx);
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#endif // MICROPY_INCLUDED_RP2_MACHINE_PIN_H
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