86 lines
2.7 KiB
C
86 lines
2.7 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) 2016 Scott Shawcroft
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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_ATMEL_SAMD_COMMON_HAL_MICROCONTROLLER_PIN_H
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#define MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_MICROCONTROLLER_PIN_H
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#include "py/obj.h"
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#include "mpconfigport.h"
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#include "include/component/sercom.h"
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typedef struct {
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Sercom *const sercom; // SERCOM0, SERCOM1, etc.
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uint8_t index; // 0, 1, etc. corresponding to SERCOM<n>.
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uint8_t pad; // which of the four SERCOM pads to use
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} pin_sercom_t;
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typedef struct {
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uint8_t index;
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bool is_tc:1;
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uint8_t wave_output:7;
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} pin_timer_t;
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#ifdef SAMD21
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#define NUM_TIMERS_PER_PIN 2
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#define NUM_ADC_PER_PIN 1
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#endif
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#ifdef SAMD51
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#define NUM_TIMERS_PER_PIN 3
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#define NUM_ADC_PER_PIN 2
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#endif
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#define NUM_SERCOMS_PER_PIN 2
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typedef struct {
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mp_obj_base_t base;
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qstr name;
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uint8_t pin;
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bool has_extint:1;
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uint8_t extint_channel:7;
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bool has_touch:1;
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uint8_t touch_y_line:7; // 0 - 15. Assumed to be Y channel.
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uint8_t adc_input[NUM_ADC_PER_PIN];
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pin_timer_t timer[NUM_TIMERS_PER_PIN];
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pin_sercom_t sercom[NUM_SERCOMS_PER_PIN];
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} mcu_pin_obj_t;
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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 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(uint8_t pin);
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void claim_pin(const mcu_pin_obj_t* pin);
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_MICROCONTROLLER_PIN_H
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