62 lines
No EOL
1.8 KiB
C++
62 lines
No EOL
1.8 KiB
C++
/*
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* This file is part of the "bluetoothheater" distribution
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* (https://gitlab.com/mrjones.id.au/bluetoothheater)
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*
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* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __BTC_KEYPAD_H__
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#define __BTC_KEYPAD_H__
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#include "stdint.h"
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//void initKeyPad();
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//uint8_t readKeys();
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const uint8_t key_Left = 0x01;
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const uint8_t key_Right = 0x02;
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const uint8_t key_Centre = 0x04;
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const uint8_t key_Up = 0x08;
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const uint8_t key_Down = 0x10;
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const uint8_t keyPressed = 0x20; // action flag
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const uint8_t keyReleased = 0x40; // action flag
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const uint8_t keyRepeat = 0x80; // action flag
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class CKeyPad {
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private:
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void (*_keyCallback)(uint8_t event);
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uint8_t _pins[5]; //0:L, 1:R, 2:C, 3:U, 4:D
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// pin scanning usage
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uint8_t _prevPins;
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uint8_t _debouncedPins;
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// handler usage
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uint8_t _lastKey;
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unsigned long _lastHoldTime;
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unsigned long _holdTimeout;
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uint8_t scanPins();
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unsigned long _lastDebounceTime;
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unsigned long _debounceDelay;
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public:
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CKeyPad();
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void init(int Lkey, int Rkey, int Ckey, int Ukey, int Dkey);
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uint8_t update();
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void setCallback(void (*Callback)(uint8_t event));
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};
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extern CKeyPad KeyPad;
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#endif |