523 lines
11 KiB
C
523 lines
11 KiB
C
/*
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* This file is part of the Micro Python 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) 2017 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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#include "shared-bindings/microcontroller/Pin.h"
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#include "samd21_pins.h"
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#define SERCOM(p_sercom, p_pad) \
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{ \
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.sercom = p_sercom, \
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.pad = p_pad \
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}
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#define NO_SERCOM SERCOM(0, 0)
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#define TCC(p_tcc, p_wave_output) \
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{ \
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.tcc = p_tcc, \
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.is_tc = false, \
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.wave_output = p_wave_output \
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}
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#define TC(p_tc, p_wave_output) \
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{ \
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.tc = p_tc, \
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.is_tc = true, \
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.wave_output = p_wave_output \
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}
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#define NO_TIMER TCC(0, 0)
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#define TOUCH(y_line) \
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.has_touch = true, \
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.touch_y_line = y_line,
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#define NO_TOUCH \
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.has_touch = false,
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#define EXTINT_CHANNEL(channel) \
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.has_extint = true, \
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.extint_channel = channel,
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#define NO_EXTINT \
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.has_extint = false,
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#define ADC_INPUT(input) input
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#define NO_ADC 0xff
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// This macro is used to simplify pin definition in boards/<board>/pins.c
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#define PIN(p_name, p_extint, p_adc, p_touch, \
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p_primary_sercom, p_secondary_sercom, \
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p_primary_timer, p_secondary_timer) \
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const mcu_pin_obj_t pin_## p_name = { \
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{ &mcu_pin_type }, \
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.name = MP_QSTR_## p_name, \
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.pin = (PIN_## p_name), \
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p_extint \
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p_touch \
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.adc_input = {p_adc}, \
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.timer = { p_primary_timer, p_secondary_timer}, \
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.sercom = {p_primary_sercom, p_secondary_sercom}, \
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}
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#define NO_ADC_INPUT (0)
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// Pins in datasheet order.
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// NOTE(tannewt): TC wave out 0 is commented out because the first channel is
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// used to vary the 16 bit timer's frequency.
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#ifdef PIN_PA00
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PIN(PA00, EXTINT_CHANNEL(0), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM1, 0),
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TCC(TCC2, 0),
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NO_TIMER);
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#endif
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#ifdef PIN_PA01
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PIN(PA01, EXTINT_CHANNEL(1), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM1, 1),
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TCC(TCC2, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PA02
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PIN(PA02, EXTINT_CHANNEL(2), ADC_INPUT(0), TOUCH(0),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PA03
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PIN(PA03, EXTINT_CHANNEL(3), ADC_INPUT(1), TOUCH(1),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PB04
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PIN(PB04, EXTINT_CHANNEL(4), ADC_INPUT(12), TOUCH(10),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PB05
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PIN(PB05, EXTINT_CHANNEL(5), ADC_INPUT(13), TOUCH(11),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PB06
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PIN(PB06, EXTINT_CHANNEL(6), ADC_INPUT(14), TOUCH(12),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PB07
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PIN(PB07, EXTINT_CHANNEL(7), ADC_INPUT(15), TOUCH(13),
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PB08
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PIN(PB08, EXTINT_CHANNEL(8), ADC_INPUT(2), TOUCH(14),
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NO_SERCOM,
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SERCOM(SERCOM4, 0),
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TC(TC4, 0),
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NO_TIMER);
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#endif
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#ifdef PIN_PB09
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PIN(PB09, EXTINT_CHANNEL(9), ADC_INPUT(3), TOUCH(15),
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NO_SERCOM,
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SERCOM(SERCOM4, 1),
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TC(TC4, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PA04
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PIN(PA04, EXTINT_CHANNEL(4), ADC_INPUT(4), TOUCH(2),
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NO_SERCOM,
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SERCOM(SERCOM0, 0),
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TCC(TCC0, 0),
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NO_TIMER);
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#endif
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#ifdef PIN_PA05
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PIN(PA05, EXTINT_CHANNEL(5), ADC_INPUT(5), TOUCH(3),
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NO_SERCOM,
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SERCOM(SERCOM0, 1),
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TCC(TCC0, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PA06
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PIN(PA06, EXTINT_CHANNEL(6), ADC_INPUT(6), TOUCH(4),
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NO_SERCOM,
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SERCOM(SERCOM0, 2),
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TCC(TCC1, 0),
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NO_TIMER);
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#endif
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#ifdef PIN_PA07
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PIN(PA07, EXTINT_CHANNEL(7), ADC_INPUT(7), TOUCH(5),
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NO_SERCOM,
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SERCOM(SERCOM0, 3),
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TCC(TCC1, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PA08
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PIN(PA08, NO_EXTINT, ADC_INPUT(16), NO_TOUCH,
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SERCOM(SERCOM0, 0),
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SERCOM(SERCOM2, 0),
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TCC(TCC0, 0),
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TCC(TCC1, 2));
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#endif
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#ifdef PIN_PA09
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PIN(PA09, EXTINT_CHANNEL(9), ADC_INPUT(17), NO_TOUCH,
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SERCOM(SERCOM0, 1),
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SERCOM(SERCOM2, 1),
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TCC(TCC0, 1),
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TCC(TCC1, 3));
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#endif
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#ifdef PIN_PA10
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PIN(PA10, EXTINT_CHANNEL(10), ADC_INPUT(18), NO_TOUCH,
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SERCOM(SERCOM0, 2),
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SERCOM(SERCOM2, 2),
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TCC(TCC1, 0),
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TCC(TCC0, 2));
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#endif
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#ifdef PIN_PA11
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PIN(PA11, EXTINT_CHANNEL(11), ADC_INPUT(19), NO_TOUCH,
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SERCOM(SERCOM0, 3),
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SERCOM(SERCOM2, 3),
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TCC(TCC1, 1),
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TCC(TCC0, 3));
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#endif
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#ifdef PIN_PB10
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PIN(PB10, EXTINT_CHANNEL(10), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM4, 2),
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TC(TC5, 0),
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TCC(TCC0, 4));
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#endif
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#ifdef PIN_PB11
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PIN(PB11, EXTINT_CHANNEL(11), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM4, 3),
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TC(TC5, 1),
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TCC(TCC0, 5));
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#endif
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#ifdef PIN_PB12
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PIN(PB12, EXTINT_CHANNEL(12), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM4, 0),
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NO_SERCOM,
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TC(TC4, 0),
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TCC(TCC0, 6));
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#endif
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#ifdef PIN_PB13
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PIN(PB13, EXTINT_CHANNEL(13), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM4, 1),
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NO_SERCOM,
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TC(TC4, 1),
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TCC(TCC0, 7));
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#endif
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#ifdef PIN_PB14
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PIN(PB14, EXTINT_CHANNEL(14), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM4, 2),
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NO_SERCOM,
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TC(TC5, 0),
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NO_TIMER);
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#endif
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// Second page.
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#ifdef PIN_PB15
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PIN(PB15, EXTINT_CHANNEL(15), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM4, 3),
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NO_SERCOM,
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TC(TC5, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PA12
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PIN(PA12, EXTINT_CHANNEL(12), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM2, 0),
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SERCOM(SERCOM4, 0),
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TCC(TCC2, 0),
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TCC(TCC0, 6));
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#endif
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#ifdef PIN_PA13
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PIN(PA13, EXTINT_CHANNEL(13), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM2, 1),
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SERCOM(SERCOM4, 1),
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TCC(TCC2, 1),
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TCC(TCC0, 7));
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#endif
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#ifdef PIN_PA14
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PIN(PA14, EXTINT_CHANNEL(14), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM2, 2),
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#ifdef SERCOM4
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SERCOM(SERCOM4, 2),
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#else
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NO_SERCOM,
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#endif
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TC(TC3, 0),
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TCC(TCC0, 4));
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#endif
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#ifdef PIN_PA15
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PIN(PA15, EXTINT_CHANNEL(15), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM2, 3),
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#ifdef SERCOM4
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SERCOM(SERCOM4, 3),
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#else
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NO_SERCOM,
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#endif
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TC(TC3, 1),
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TCC(TCC0, 5));
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#endif
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#ifdef PIN_PA16
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PIN(PA16, EXTINT_CHANNEL(0), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM1, 0),
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SERCOM(SERCOM3, 0),
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TCC(TCC2, 0),
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TCC(TCC0, 6));
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#endif
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#ifdef PIN_PA17
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PIN(PA17, EXTINT_CHANNEL(1), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM1, 1),
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SERCOM(SERCOM3, 1),
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TCC(TCC2, 1),
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TCC(TCC0, 7));
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#endif
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#ifdef PIN_PA18
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PIN(PA18, EXTINT_CHANNEL(2), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM1, 2),
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SERCOM(SERCOM3, 2),
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TC(TC3, 0),
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TCC(TCC0, 2));
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#endif
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#ifdef PIN_PA19
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PIN(PA19, EXTINT_CHANNEL(3), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM1, 3),
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SERCOM(SERCOM3, 3),
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TC(TC3, 1),
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TCC(TCC0, 3));
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#endif
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#ifdef PIN_PB16
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PIN(PB16, EXTINT_CHANNEL(0), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM5, 0),
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NO_SERCOM,
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#ifdef TC6
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TC(TC6, 0),
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#else
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NO_TIMER,
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#endif
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TCC(TCC0, 4));
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#endif
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#ifdef PIN_PB17
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PIN(PB17, EXTINT_CHANNEL(1), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM5, 1),
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NO_SERCOM,
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#ifdef TC6
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TC(TC6, 1),
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#else
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NO_TIMER,
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#endif
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TCC(TCC0, 5));
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#endif
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#ifdef PIN_PA20
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PIN(PA20, EXTINT_CHANNEL(4), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM5, 2),
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SERCOM(SERCOM3, 2),
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#ifdef TC7
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TC(TC7, 0),
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#else
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NO_TIMER,
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#endif
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TCC(TCC0, 6));
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#endif
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#ifdef PIN_PA21
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PIN(PA21, EXTINT_CHANNEL(5), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM5, 3),
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SERCOM(SERCOM3, 3),
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#ifdef TC7
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TC(TC7, 1),
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#else
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NO_TIMER,
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#endif
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TCC(TCC0, 7));
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#endif
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#ifdef PIN_PA22
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PIN(PA22, EXTINT_CHANNEL(6), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM3, 0),
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#ifdef SERCOM5
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SERCOM(SERCOM5, 0),
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#else
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NO_SERCOM,
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#endif,
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TC(TC4, 0),
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TCC(TCC0, 4));
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#endif
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#ifdef PIN_PA23
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PIN(PA23, EXTINT_CHANNEL(7), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM3, 1),
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#ifdef SERCOM5
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SERCOM(SERCOM5, 1),
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#else
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NO_SERCOM,
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#endif
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TC(TC4, 1),
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TCC(TCC0, 5));
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#endif
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#ifdef PIN_PA24
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PIN(PA24, EXTINT_CHANNEL(12), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM3, 2),
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#ifdef SERCOM5
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SERCOM(SERCOM5, 2),
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#else
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NO_SERCOM,
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#endif
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TC(TC5, 0),
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TCC(TCC0, 2));
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#endif
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#ifdef PIN_PA25
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PIN(PA25, EXTINT_CHANNEL(13), NO_ADC, NO_TOUCH,
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SERCOM(SERCOM3, 3),
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#ifdef SERCOM5
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SERCOM(SERCOM5, 3),
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#else
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NO_SERCOM,
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#endif
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TC(TC5, 1),
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TCC(TCC1, 3));
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#endif
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#ifdef PIN_PB22
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PIN(PB22, EXTINT_CHANNEL(6), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM5, 2),
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#ifdef TC7
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TC(TC7, 0, 0),
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#else
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NO_TIMER,
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#endif
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NO_TIMER);
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#endif
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#ifdef PIN_PB23
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PIN(PB23, EXTINT_CHANNEL(7), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM5, 3),
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#ifdef TC7
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TC(TC7, 1, 1),
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#else
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NO_TIMER,
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#endif
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NO_TIMER);
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#endif
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#ifdef PIN_PA27
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PIN(PA27, EXTINT_CHANNEL(15), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PA28
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PIN(PA28, EXTINT_CHANNEL(8), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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NO_SERCOM,
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NO_TIMER,
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NO_TIMER);
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#endif
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#ifdef PIN_PA30
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PIN(PA30, EXTINT_CHANNEL(10), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM1, 2),
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TCC(TCC1, 0),
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NO_TIMER);
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#endif
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#ifdef PIN_PA31
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PIN(PA31, EXTINT_CHANNEL(11), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM1, 3),
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TCC(TCC1, 1),
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NO_TIMER);
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#endif
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#ifdef PIN_PB30
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PIN(PB30, EXTINT_CHANNEL(14), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM5, 0),
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TCC(TCC0, 0),
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TCC(TCC1, 2));
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#endif
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#ifdef PIN_PB31
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PIN(PB31, EXTINT_CHANNEL(15), NO_ADC, NO_TOUCH,
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NO_SERCOM,
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SERCOM(SERCOM5, 1),
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TCC(TCC0, 1),
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TCC(TCC1, 3));
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#endif
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#ifdef PIN_PB00
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PIN(PB00, EXTINT_CHANNEL(0), ADC_INPUT(8), TOUCH(6),
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NO_SERCOM,
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SERCOM(SERCOM5, 2),
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#ifdef TC7
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TC(TC7, 0, 0),
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#else
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NO_TIMER,
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#endif
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NO_TIMER);
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#endif
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#ifdef PIN_PB01
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PIN(PB01, EXTINT_CHANNEL(1), ADC_INPUT(9), TOUCH(7),
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NO_SERCOM,
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SERCOM(SERCOM5, 3)),
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#ifdef TC7
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TC(TC7, 1),
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#else
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NO_TIMER,
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#endif
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NO_TIMER;
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#endif
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#ifdef PIN_PB02
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PIN(PB02, EXTINT_CHANNEL(2), ADC_INPUT(10), TOUCH(8),
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NO_SERCOM,
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SERCOM(SERCOM5, 0),
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#ifdef TC6
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TC(TC6, 0),
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#else
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NO_TIMER,
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#endif
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NO_TIMER);
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#endif
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#ifdef PIN_PB03
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PIN(PB03, EXTINT_CHANNEL(3), ADC_INPUT(11), TOUCH(9),
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NO_SERCOM,
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SERCOM(SERCOM5, 1),
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#ifdef TC6
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TC(TC6, 1),
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#else
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NO_TIMER,
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#endif
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NO_TIMER);
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#endif
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