57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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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 version 2 as
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* published by the Free Software Foundation.
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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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#ifndef _DEBOUNCE_H_
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#define _DEBOUNCE_H_
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#include "board.h"
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template <class T>
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class Debounce
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{
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public:
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T debounce(T state)
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{
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if (state == lastState)
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debouncedState = state;
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else
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lastState = state;
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return debouncedState;
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}
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private:
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T lastState;
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T debouncedState;
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};
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#if defined(STM32)
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class PinDebounce: public Debounce<uint8_t>
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{
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public:
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uint8_t debounce(GPIO_TypeDef * GPIOx, uint16_t GPIO_Pin)
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{
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return Debounce<uint8_t>::debounce(GPIO_ReadInputDataBit(GPIOx, GPIO_Pin));
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}
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};
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#endif
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#endif // _DEBOUNCE_H_
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