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108 lines
2.6 KiB
108 lines
2.6 KiB
3 years ago
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//
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// userinterface.cpp
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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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#include "userinterface.h"
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#include "minidexed.h"
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#include <circle/logger.h>
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#include <circle/string.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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LOGMODULE ("ui");
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CUserInterface::CUserInterface (CMiniDexed *pMiniDexed, CConfig *pConfig)
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: m_pMiniDexed (pMiniDexed),
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m_pConfig (pConfig),
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m_pLCD (0),
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m_pLCDBuffered (0)
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{
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}
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CUserInterface::~CUserInterface (void)
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{
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delete m_pLCDBuffered;
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delete m_pLCD;
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}
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bool CUserInterface::Initialize (void)
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{
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assert (m_pConfig);
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if (m_pConfig->GetLCDEnabled ())
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{
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m_pLCD = new CHD44780Device (CConfig::LCDColumns, CConfig::LCDRows,
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m_pConfig->GetLCDPinData4 (),
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m_pConfig->GetLCDPinData5 (),
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m_pConfig->GetLCDPinData6 (),
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m_pConfig->GetLCDPinData7 (),
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m_pConfig->GetLCDPinEnable (),
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m_pConfig->GetLCDPinRegisterSelect (),
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m_pConfig->GetLCDPinReadWrite ());
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assert (m_pLCD);
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if (!m_pLCD->Initialize ())
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{
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return false;
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}
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m_pLCDBuffered = new CWriteBufferDevice (m_pLCD);
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assert (m_pLCDBuffered);
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LCDWrite ("\x1B[?25l"); // cursor off
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LOGDBG ("LCD initialized");
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}
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return true;
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}
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void CUserInterface::Process (void)
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{
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if (m_pLCDBuffered)
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{
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m_pLCDBuffered->Update ();
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}
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}
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void CUserInterface::ProgramChanged (unsigned nProgram)
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{
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nProgram++; // MIDI numbering starts with 0, user interface with 1
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// fetch program name from Dexed instance
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char ProgramName[11];
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memset (ProgramName, 0, sizeof ProgramName);
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assert (m_pMiniDexed);
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m_pMiniDexed->setName (ProgramName);
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printf ("Loading voice %u: \"%s\"\n", nProgram, ProgramName);
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CString String;
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String.Format ("\n\r%u\n\r%s", nProgram, ProgramName);
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LCDWrite (String);
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}
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void CUserInterface::LCDWrite (const char *pString)
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{
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if (m_pLCDBuffered)
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{
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m_pLCDBuffered->Write (pString, strlen (pString));
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}
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}
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