80 lines
2.6 KiB
C
80 lines
2.6 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) 2019 Dan Halbert 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 "common-hal/pulseio/PulseIn.h"
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#include "common-hal/ps2io/Ps2.h"
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#include "common-hal/rotaryio/IncrementalEncoder.h"
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#include "common-hal/countio/Counter.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "common-hal/alarm/pin/PinAlarm.h"
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// #include "samd/external_interrupts.h"
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#include "eic_handler.h"
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// Which handler should be called for a particular channel?
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static uint8_t eic_channel_handler[EIC_EXTINT_NUM];
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void set_eic_handler(uint8_t channel, uint8_t eic_handler) {
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eic_channel_handler[channel] = eic_handler;
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}
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void shared_eic_handler(uint8_t channel) {
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uint8_t handler = eic_channel_handler[channel];
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switch (handler) {
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#if CIRCUITPY_PULSEIO
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case EIC_HANDLER_PULSEIN:
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pulsein_interrupt_handler(channel);
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break;
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#endif
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#if CIRCUITPY_PS2IO
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case EIC_HANDLER_PS2:
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ps2_interrupt_handler(channel);
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break;
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#endif
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#if CIRCUITPY_ROTARYIO
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case EIC_HANDLER_INCREMENTAL_ENCODER:
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incrementalencoder_interrupt_handler(channel);
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break;
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#endif
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#if CIRCUITPY_COUNTIO
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case EIC_HANDLER_COUNTER:
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counter_interrupt_handler(channel);
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break;
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#endif
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#if CIRCUITPY_ALARM
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case EIC_HANDLER_ALARM:
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pin_alarm_callback(channel);
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break;
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#endif
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default:
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break;
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}
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}
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