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86 lines
2.2 KiB
86 lines
2.2 KiB
//
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// userinterface.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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// 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 _userinterface_h
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#define _userinterface_h
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#include "config.h"
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#include <sensor/ky040.h>
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#include <display/hd44780device.h>
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#include <circle/gpiomanager.h>
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#include <circle/writebuffer.h>
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class CMiniDexed;
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class CUserInterface
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{
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public:
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CUserInterface (CMiniDexed *pMiniDexed, CGPIOManager *pGPIOManager, CConfig *pConfig);
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~CUserInterface (void);
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bool Initialize (void);
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void Process (void);
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void BankSelected (unsigned nBankLSB); // 0 .. 127
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void ProgramChanged (unsigned nProgram); // 0 .. 127
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void VolumeChanged (unsigned nVolume); // 0 .. 127
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private:
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// Print to display in this format:
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// +----------------+
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// |INSTANCE MENU|
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// |PARAM[=VALUE] |
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// +----------------+
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void DisplayWrite (const char *pInstance, const char *pMenu,
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const char *pParam, const char *pValue = nullptr);
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void LCDWrite (const char *pString); // Print to optional HD44780 display
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void EncoderEventHandler (CKY040::TEvent Event);
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static void EncoderEventStub (CKY040::TEvent Event, void *pParam);
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private:
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enum TUIMode
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{
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UIModeStart,
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UIModeVoiceSelect = UIModeStart,
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UIModeBankSelect,
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UIModeVolume,
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UIModeUnknown
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};
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private:
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CMiniDexed *m_pMiniDexed;
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CGPIOManager *m_pGPIOManager;
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CConfig *m_pConfig;
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CHD44780Device *m_pLCD;
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CWriteBufferDevice *m_pLCDBuffered;
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CKY040 *m_pRotaryEncoder;
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TUIMode m_UIMode;
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unsigned m_nBank;
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unsigned m_nProgram;
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unsigned m_nVolume;
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};
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#endif
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