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83 lines
1.8 KiB
83 lines
1.8 KiB
3 years ago
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//
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// uibuttons.h
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//
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// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
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// Copyright (C) 2022 The MiniDexed Team
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//
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// Original author of this class:
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// R. Stange <rsta2@o2online.de>
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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 <http://www.gnu.org/licenses/>.
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//
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#ifndef _uibuttons_h
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#define _uibuttons_h
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#include <circle/gpiopin.h>
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#include <circle/types.h>
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#include "config.h"
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class CUIButton
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{
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public:
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CUIButton (unsigned nPin);
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~CUIButton (void);
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boolean Initialize (void);
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boolean Read (void);
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private:
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CGPIOPin m_Pin;
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unsigned m_nLastValue;
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};
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class CUIButtons
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{
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public:
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enum TBtnEvent
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{
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BtnEventLeft,
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BtnEventRight,
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BtnEventUp,
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BtnEventDown,
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BtnEventSelect,
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BtnEventUnknown
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};
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typedef void TBtnEventHandler (TBtnEvent Event, void *pParam);
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public:
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CUIButtons (unsigned nLeftPin, unsigned nRightPin, unsigned nUpPin, unsigned nDownPin, unsigned nSelectPin);
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~CUIButtons (void);
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boolean Initialize (void);
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void RegisterEventHandler (TBtnEventHandler *pHandler, void *pParam = 0);
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void Update (void);
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private:
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CUIButton m_LeftButton;
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CUIButton m_RightButton;
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CUIButton m_UpButton;
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CUIButton m_DownButton;
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CUIButton m_SelectButton;
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TBtnEventHandler *m_pEventHandler;
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void *m_pEventParam;
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};
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#endif
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