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53 lines
2.1 KiB
53 lines
2.1 KiB
/* Kaleidoscope - Firmware for computer input devices
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* Copyright (C) 2013-2018 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// switch debouncing and status
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#include <Arduino.h>
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#define INJECTED B10000000
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#define IS_PRESSED B00000010
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#define WAS_PRESSED B00000001
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/* keyIsPressed(): This is true if the key is pressed during this scan cycle.
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* This will be true for several consecutive cycles even for a single tap of
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* the key.
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* Use this for events which should fire every scan cycle the key is held.
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* If you want an event which fires only once when a key is pressed, use
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* keyToggledOn() or keyToggledOff() (defined below).
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*/
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#define keyIsPressed(keyState) ((keyState) & IS_PRESSED)
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/* keyWasPressed(): This is true if the key was pressed during the previous
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scan cycle, regardless of whether it is pressed or not in this scan cycle.
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*/
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#define keyWasPressed(keyState) ((keyState) & WAS_PRESSED)
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/* keyToggledOn(): This is true if the key is newly pressed during this scan
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* cycle, i.e. was not pressed in the previous scan cycle but is now.
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* Use this for events which should fire exactly once per keypress, on a
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* "key-down" event.
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*/
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#define keyToggledOn(keyState) (keyIsPressed(keyState) && ! keyWasPressed(keyState))
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/* keyToggledOff(): This is true if the key is newly not-pressed during this
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* scan cycle, i.e. is not pressed now but was in the previous scan cycle.
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* Use this for events which should fire exactly once per keypress, on a
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* "key-up" event.
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*/
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#define keyToggledOff(keyState) (keyWasPressed(keyState) && ! keyIsPressed(keyState))
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