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123 lines
3.2 KiB
123 lines
3.2 KiB
/*
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Original code:
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Debounce buttons and trigger events
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Copyright (C) 2015-2018 by Xose Pérez <xose dot perez at gmail dot com>
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The DebounceEvent library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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The DebounceEvent library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the DebounceEvent library. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------------------------------------------------
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Copyright (C) 2020 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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Modified to include generic INPUT / OUTPUT pin support through a custom interface.
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Definitions are incompatible with DebounceEvent, you should not include it's headers.
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*/
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#pragma once
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#include <Arduino.h>
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#include <functional>
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#include <memory>
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#include "BasePin.h"
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namespace debounce_event {
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constexpr const unsigned long DebounceDelay = 50UL;
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constexpr const unsigned long RepeatDelay = 500UL;
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class EventEmitter;
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namespace types {
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enum class Mode {
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Pushbutton,
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Switch
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};
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enum class PinValue {
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Low,
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High,
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Initial
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};
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enum class PinMode {
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Input,
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InputPullup,
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InputPulldown
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};
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struct Config {
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Mode mode;
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PinValue default_value;
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PinMode pin_mode;
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};
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enum Event {
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EventNone,
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EventPressed,
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EventReleased
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};
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using Pin = std::shared_ptr<BasePin>;
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using EventHandler = std::function<void(const EventEmitter& self, types::Event event, uint8_t count, unsigned long length)>;
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}
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class EventEmitter {
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public:
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EventEmitter(types::Pin pin, const types::Config& config = {types::Mode::Pushbutton, types::PinValue::High, types::PinMode::Input}, unsigned long delay = DebounceDelay, unsigned long repeat = RepeatDelay);
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EventEmitter(types::Pin pin, types::EventHandler callback, const types::Config& = {types::Mode::Pushbutton, types::PinValue::High, types::PinMode::Input}, unsigned long delay = DebounceDelay, unsigned long repeat = RepeatDelay);
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types::Event loop();
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bool isPressed();
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const types::Pin getPin() const;
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const types::Config getConfig() const;
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unsigned long getEventLength();
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unsigned long getEventCount();
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private:
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types::Pin _pin;
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types::EventHandler _callback;
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const types::Config _config;
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const bool _is_switch { false };
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const unsigned long _delay { 0ul };
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const unsigned long _repeat { 0ul };
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bool _default_value { true };
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bool _value { true };
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bool _ready { false };
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bool _reset_count { true };
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unsigned long _event_start { 0ul };
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unsigned long _event_length { 0ul };
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unsigned char _event_count { 0ul };
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};
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} // namespace debounce_event
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