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https://github.com/dwhinham/mt32-pi.git
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484dacd42f
Previously, the LCD code needed to be aware of each synthesizer to know how to draw their respective displays, which wasn't very maintainable. Introduce a UI class where generic drawing utility functions and "system" drawing code can be implemented, and move synth-specific drawing to the synth classes themselves. This simplifies the LCD/OLED drivers to just being interfaces to the hardware. Also introduce a "MIDI monitor" class which tracks the state of all MIDI activity per-synth for level meter drawing purposes. This ensures we never miss a note; previously we were simply polling each synth engine for its note velocities per LCD update, which was prone to missing fast notes and also didn't account for channel volume or expression pedal. Finally, enable support for 16-character wide displays (closes #58).
124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
//
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// config.h
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//
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// mt32-pi - A baremetal MIDI synthesizer for Raspberry Pi
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// Copyright (C) 2020-2021 Dale Whinham <daleyo@gmail.com>
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//
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// This file is part of mt32-pi.
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//
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// mt32-pi is free software: you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the Free Software
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// Foundation, either version 3 of the License, or (at your option) any later
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// version.
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//
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// mt32-pi is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along with
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// mt32-pi. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef _config_h
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#define _config_h
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#include <circle/net/ipaddress.h>
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#include <circle/types.h>
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#include "control/rotaryencoder.h"
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#include "lcd/drivers/ssd1306.h"
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#include "soundfontmanager.h"
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#include "synth/fxprofile.h"
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#include "synth/mt32romset.h"
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#include "synth/mt32synth.h"
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#include "utility.h"
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class CConfig
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{
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public:
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#define ENUM_SYSTEMDEFAULTSYNTH(ENUM) \
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ENUM(MT32, mt32) \
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ENUM(SoundFont, soundfont)
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#define ENUM_AUDIOOUTPUTDEVICE(ENUM) \
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ENUM(PWM, pwm) \
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ENUM(HDMI, hdmi) \
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ENUM(I2S, i2s)
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#define ENUM_AUDIOI2CDACINIT(ENUM) \
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ENUM(None, none) \
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ENUM(PCM51xx, pcm51xx)
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#define ENUM_CONTROLSCHEME(ENUM) \
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ENUM(None, none) \
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ENUM(SimpleButtons, simple_buttons) \
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ENUM(SimpleEncoder, simple_encoder)
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using TEncoderType = CRotaryEncoder::TEncoderType;
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using TMT32EmuResamplerQuality = CMT32Synth::TResamplerQuality;
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using TMT32EmuMIDIChannels = CMT32Synth::TMIDIChannels;
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using TMT32EmuROMSet = TMT32ROMSet;
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using TLCDRotation = CSSD1306::TLCDRotation;
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#define ENUM_LCDTYPE(ENUM) \
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ENUM(None, none) \
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ENUM(HD44780FourBit, hd44780_4bit) \
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ENUM(HD44780I2C, hd44780_i2c) \
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ENUM(SH1106I2C, sh1106_i2c) \
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ENUM(SSD1306I2C, ssd1306_i2c)
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#define ENUM_NETWORKMODE(ENUM) \
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ENUM(Off, off) \
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ENUM(Ethernet, ethernet) \
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ENUM(WiFi, wifi)
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CONFIG_ENUM(TSystemDefaultSynth, ENUM_SYSTEMDEFAULTSYNTH);
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CONFIG_ENUM(TAudioOutputDevice, ENUM_AUDIOOUTPUTDEVICE);
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CONFIG_ENUM(TAudioI2CDACInit, ENUM_AUDIOI2CDACINIT);
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CONFIG_ENUM(TControlScheme, ENUM_CONTROLSCHEME);
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CONFIG_ENUM(TLCDType, ENUM_LCDTYPE);
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CONFIG_ENUM(TNetworkMode, ENUM_NETWORKMODE);
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CConfig();
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bool Initialize(const char* pPath);
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static CConfig* Get() { return s_pThis; }
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// Expand all config variables from definition file
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#define CFG(_1, TYPE, MEMBER_NAME, _2, _3...) TYPE MEMBER_NAME;
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#include "config.def"
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TFXProfile FXProfiles[CSoundFontManager::MaxSoundFonts];
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private:
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static int INIHandler(void* pUser, const char* pSection, const char* pName, const char* pValue);
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// Overloaded function to parse config options based on their types specified in the definition file
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static bool ParseOption(const char* pString, bool* pOut);
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static bool ParseOption(const char* pString, int* pOut, bool bHex = false);
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static bool ParseOption(const char* pString, float* pOutFloat);
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static bool ParseOption(const char *pString, CString* pOut);
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static bool ParseOption(const char *pString, CIPAddress* pOut);
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static bool ParseOption(const char* pString, TSystemDefaultSynth* pOut);
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static bool ParseOption(const char* pString, TAudioOutputDevice* pOut);
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static bool ParseOption(const char* pString, TAudioI2CDACInit* pOut);
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static bool ParseOption(const char* pString, TMT32EmuResamplerQuality* pOut);
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static bool ParseOption(const char* pString, TMT32EmuMIDIChannels* pOut);
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static bool ParseOption(const char* pString, TMT32EmuROMSet* pOut);
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static bool ParseOption(const char* pString, TLCDType* pOut);
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static bool ParseOption(const char* pString, TControlScheme* pOut);
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static bool ParseOption(const char* pString, TEncoderType* pOut);
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static bool ParseOption(const char* pString, TLCDRotation* pOut);
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static bool ParseOption(const char* pString, TNetworkMode* pOut);
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static bool ParseFXProfileSection(const char* pSection, size_t* pOutFXProfileIndex);
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static bool ParseFXProfileOption(const char* pString, const char* pValue, TFXProfile* pOutFXProfile);
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static CConfig* s_pThis;
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};
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#endif
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