// // mididevice.cpp // // MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi // Copyright (C) 2022 The MiniDexed Team // // Original author of this class: // R. Stange // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // #include #include "mididevice.h" #include "minidexed.h" #include "config.h" #include #include LOGMODULE ("mididevice"); #define MIDI_NOTE_OFF 0b1000 #define MIDI_NOTE_ON 0b1001 #define MIDI_AFTERTOUCH 0b1010 // TODO #define MIDI_CONTROL_CHANGE 0b1011 #define MIDI_PROGRAM_CHANGE 0b1100 #define MIDI_PITCH_BEND 0b1110 #define MIDI_SYSTEM_EXCLUSIVE_BEGIN 0xF0 #define MIDI_SYSTEM_EXCLUSIVE_END 0xF7 #define MIDI_TIMING_CLOCK 0xF8 #define MIDI_ACTIVE_SENSING 0xFE CMIDIDevice::TDeviceMap CMIDIDevice::s_DeviceMap; CMIDIDevice::CMIDIDevice (CMiniDexed *pSynthesizer, CConfig *pConfig) : m_pSynthesizer (pSynthesizer), m_pConfig (pConfig) { for (unsigned nTG = 0; nTG < CConfig::ToneGenerators; nTG++) { m_ChannelMap[nTG] = Disabled; } } CMIDIDevice::~CMIDIDevice (void) { m_pSynthesizer = 0; } void CMIDIDevice::SetChannel (u8 ucChannel, unsigned nTG) { assert (nTG < CConfig::ToneGenerators); m_ChannelMap[nTG] = ucChannel; } u8 CMIDIDevice::GetChannel (unsigned nTG) const { assert (nTG < CConfig::ToneGenerators); return m_ChannelMap[nTG]; } void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsigned nCable) { // The packet contents are just normal MIDI data - see // https://www.midi.org/specifications/item/table-1-summary-of-midi-message if (m_pConfig->GetMIDIDumpEnabled ()) { switch (nLength) { case 1: if ( pMessage[0] != MIDI_TIMING_CLOCK && pMessage[0] != MIDI_ACTIVE_SENSING) { printf ("MIDI%u: %02X\n", nCable, (unsigned) pMessage[0]); } break; case 2: printf ("MIDI%u: %02X %02X\n", nCable, (unsigned) pMessage[0], (unsigned) pMessage[1]); break; case 3: printf ("MIDI%u: %02X %02X %02X\n", nCable, (unsigned) pMessage[0], (unsigned) pMessage[1], (unsigned) pMessage[2]); break; default: switch(pMessage[0]) { case MIDI_SYSTEM_EXCLUSIVE_BEGIN: printf("MIDI%u: SysEx data length: [%d]:",nCable, uint16_t(nLength)); for (uint16_t i = 0; i < nLength; i++) { if((i % 16) == 0) printf("\n%04d:",i); printf(" 0x%02x",pMessage[i]); } printf("\n"); break; default: printf("MIDI%u: Unhandled MIDI event type %0x02x\n",nCable,pMessage[0]); } break; } } // Only for debugging: /* if(pMessage[0]==MIDI_SYSTEM_EXCLUSIVE_BEGIN) { printf("MIDI%u: SysEx data length: [%d]:",nCable, uint16_t(nLength)); for (uint16_t i = 0; i < nLength; i++) { if((i % 16) == 0) printf("\n%04d:",i); printf(" 0x%02x",pMessage[i]); } printf("\n"); } */ // Handle MIDI Thru if (m_DeviceName.compare (m_pConfig->GetMIDIThruIn ()) == 0) { TDeviceMap::const_iterator Iterator; Iterator = s_DeviceMap.find (m_pConfig->GetMIDIThruOut ()); if (Iterator != s_DeviceMap.end ()) { Iterator->second->Send (pMessage, nLength, nCable); } } if (nLength < 2) { LOGERR("MIDI message is shorter than 2 bytes!"); return; } m_MIDISpinLock.Acquire (); u8 ucStatus = pMessage[0]; u8 ucChannel = ucStatus & 0x0F; u8 ucType = ucStatus >> 4; // GLOBAL MIDI SYSEX if (pMessage[0] == MIDI_SYSTEM_EXCLUSIVE_BEGIN && pMessage[3] == 0x04 && pMessage[4] == 0x01 && pMessage[nLength-1] == MIDI_SYSTEM_EXCLUSIVE_END) // MASTER VOLUME { float32_t nMasterVolume=((pMessage[5] & 0x7c) & ((pMessage[6] & 0x7c) <<7))/(1<<14); LOGNOTE("Master volume: %f",nMasterVolume); m_pSynthesizer->setMasterVolume(nMasterVolume); } else { for (unsigned nTG = 0; nTG < CConfig::ToneGenerators; nTG++) { if (ucStatus == MIDI_SYSTEM_EXCLUSIVE_BEGIN) { // MIDI SYSEX per MIDI channel uint8_t ucSysExChannel = (pMessage[2] & 0x07); if ( nTG == ucSysExChannel || m_ChannelMap[nTG] == OmniMode ) { LOGNOTE("MIDI-SYSEX: channel: %u, len: %u, TG: %u",m_ChannelMap[nTG],nLength,nTG); //printf("MIDI-SYSEX: channel: %u, len: %lu, TG: %u",m_ChannelMap[nTG],nLength,nTG); HandleSystemExclusive(pMessage, nLength, nCable, ucSysExChannel); } } else { if ( m_ChannelMap[nTG] == ucChannel || m_ChannelMap[nTG] == OmniMode) { switch (ucType) { case MIDI_NOTE_ON: if (nLength < 3) { break; } if (pMessage[2] > 0) { if (pMessage[2] <= 127) { m_pSynthesizer->keydown (pMessage[1], pMessage[2], nTG); } } else { m_pSynthesizer->keyup (pMessage[1], nTG); } break; case MIDI_NOTE_OFF: if (nLength < 3) { break; } m_pSynthesizer->keyup (pMessage[1], nTG); break; case MIDI_CONTROL_CHANGE: if (nLength < 3) { break; } switch (pMessage[1]) { case MIDI_CC_MODULATION: m_pSynthesizer->setModWheel (pMessage[2], nTG); m_pSynthesizer->ControllersRefresh (nTG); break; case MIDI_CC_VOLUME: m_pSynthesizer->SetVolume (pMessage[2], nTG); break; case MIDI_CC_PAN_POSITION: m_pSynthesizer->SetPan (pMessage[2], nTG); break; case MIDI_CC_BANK_SELECT_LSB: m_pSynthesizer->BankSelectLSB (pMessage[2], nTG); break; case MIDI_CC_BANK_SUSTAIN: m_pSynthesizer->setSustain (pMessage[2] >= 64, nTG); break; case MIDI_CC_RESONANCE: m_pSynthesizer->SetResonance (maplong (pMessage[2], 0, 127, 0, 99), nTG); break; case MIDI_CC_FREQUENCY_CUTOFF: m_pSynthesizer->SetCutoff (maplong (pMessage[2], 0, 127, 0, 99), nTG); break; case MIDI_CC_REVERB_LEVEL: m_pSynthesizer->SetReverbSend (maplong (pMessage[2], 0, 127, 0, 99), nTG); break; case MIDI_CC_DETUNE_LEVEL+32: if (pMessage[2] == 0) { // "0 to 127, with 0 being no celeste (detune) effect applied at all." m_pSynthesizer->SetMasterTune (0, nTG); } else { m_pSynthesizer->SetMasterTune (maplong (pMessage[2], 1, 127, -99, 99), nTG); } break; case MIDI_CC_ALL_SOUND_OFF: m_pSynthesizer->panic (pMessage[2], nTG); break; case MIDI_CC_ALL_NOTES_OFF: m_pSynthesizer->notesOff (pMessage[2], nTG); break; } break; case MIDI_PROGRAM_CHANGE: // do program change only if enabled in config if( m_pConfig->GetMIDIRXProgramChange() ) m_pSynthesizer->ProgramChange (pMessage[1], nTG); break; case MIDI_PITCH_BEND: { if (nLength < 3) { break; } s16 nValue = pMessage[1]; nValue |= (s16) pMessage[2] << 7; nValue -= 0x2000; m_pSynthesizer->setPitchbend (nValue, nTG); } break; default: break; } } } } } m_MIDISpinLock.Release (); } void CMIDIDevice::AddDevice (const char *pDeviceName) { assert (pDeviceName); assert (m_DeviceName.empty ()); m_DeviceName = pDeviceName; assert (!m_DeviceName.empty ()); s_DeviceMap.insert (std::pair (pDeviceName, this)); } void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nLength, const unsigned nCable, const uint8_t nTG) { int16_t sysex_return; if ( nTG >= CConfig::ToneGenerators ) return; sysex_return = m_pSynthesizer->checkSystemExclusive(pMessage, nLength, nTG); uint8_t instanceID = pMessage[2]&0xF; if ( instanceID != nTG ) { printf("WARNING instanceID and nTG do not match!!!!!\n"); } LOGDBG("SYSEX handler return value: %d", sysex_return); //printf("SYSEX handler return value: %d for TG %i\n", sysex_return, instanceID); switch (sysex_return) { case -1: LOGERR("SysEx end status byte not detected."); break; case -2: LOGERR("SysEx vendor not Yamaha."); break; case -3: LOGERR("Unknown SysEx parameter change."); break; case -4: LOGERR("Unknown SysEx voice or function."); break; case -5: LOGERR("Not a SysEx voice bulk upload."); break; case -6: LOGERR("Wrong length for SysEx voice bulk upload (not 155)."); break; case -7: LOGERR("Checksum error for one voice."); break; case -8: LOGERR("Not a SysEx bank bulk upload."); break; case -9: LOGERR("Wrong length for SysEx bank bulk upload (not 4096)."); case -10: LOGERR("Checksum error for bank."); break; case -11: LOGERR("Unknown SysEx message."); break; case 64: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setMonoMode(pMessage[5],nTG); break; case 65: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setPitchbendRange(pMessage[5],nTG); break; case 66: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setPitchbendStep(pMessage[5],nTG); break; case 67: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setPortamentoMode(pMessage[5],nTG); break; case 68: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setPortamentoGlissando(pMessage[5],nTG); break; case 69: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setPortamentoTime(pMessage[5],nTG); break; case 70: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setModWheelRange(pMessage[5],nTG); break; case 71: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setModWheelTarget(pMessage[5],nTG); break; case 72: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setFootControllerRange(pMessage[5],nTG); break; case 73: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setFootControllerTarget(pMessage[5],nTG); break; case 74: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setBreathControllerRange(pMessage[5],nTG); break; case 75: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setBreathControllerTarget(pMessage[5],nTG); break; case 76: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setAftertouchRange(pMessage[5],nTG); break; case 77: LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]); m_pSynthesizer->setAftertouchTarget(pMessage[5],nTG); break; /* BeZo patches */ case 78: // bank select LOGDBG("Bank Select for TG %i\n", instanceID); m_pSynthesizer->BankSelectLSB (pMessage[5], instanceID); break; case 79: // pgm select LOGDBG("Patch Select for TG %i\n", instanceID); m_pSynthesizer->ProgramChange (pMessage[5], instanceID); break; case 80: // Set midi channel LOGDBG("Set midi channel for TG %i", instanceID); m_pSynthesizer->SetMIDIChannel(pMessage[5], instanceID); break; case 81: // Reverb level LOGDBG("Set Reverb Level for TG %i", instanceID); m_pSynthesizer->SetReverbSend (maplong (pMessage[5], 0, 127, 0, 99), instanceID); break; case 82: // Compressor toggle LOGDBG("Set Compressor "); m_pSynthesizer->SetParameter (CMiniDexed::ParameterCompressorEnable, maplong (pMessage[5], 0, 127, 0, 1) ); break; case 83: // Transpose LOGDBG("Set Transpose for TG %i", instanceID); // m_pSynthesizer->SetTranspose (maplong (pMessage[5], 0, 127, 0, 99), instanceID); break; case 84: // Detune LOGDBG("Set detune for TG %i", instanceID); if (pMessage[5] == 0) { // "0 to 127, with 0 being no celeste (detune) effect applied at all." m_pSynthesizer->SetMasterTune (0, instanceID); } else { m_pSynthesizer->SetMasterTune (maplong (pMessage[5], 1, 127, -99, 99), instanceID); } break; case 85: // Panning LOGDBG("Set panning for TG %i", instanceID); m_pSynthesizer->SetPan(pMessage[5], instanceID); break; case 86: // Volume LOGDBG("Set volume for TG %i", instanceID); m_pSynthesizer->SetVolume(pMessage[5], instanceID); break; case 87: // Pitch Bend break; case 88: // Portamento LOGDBG("Set portamento mode for TG %i", instanceID); m_pSynthesizer->setPortamentoMode(pMessage[5],instanceID); break; case 89: // Mono Mode LOGDBG("Set Mono mode for TG %i", instanceID); m_pSynthesizer->setMonoMode(pMessage[5],instanceID); break; case 90: // Set Cutoff LOGDBG("Set Cutoff for TG %i", instanceID); m_pSynthesizer->SetCutoff(pMessage[5], instanceID); break; case 91: // Set Reso LOGDBG("Set Resonanece for TG %i", instanceID); m_pSynthesizer->SetResonance(pMessage[5], instanceID); break; case 600: // Config requestnTG LOGDBG("Config request received\n"); SendSystemExclusiveConfig(); break; case 601: LOGDBG("Get Bank Name request received\n"); SendBankName(instanceID); break; /* End of BeZo patches */ case 100: // load sysex-data into voice memory LOGDBG("One Voice bulk upload"); m_pSynthesizer->loadVoiceParameters(pMessage,nTG); break; case 200: LOGDBG("Bank bulk upload."); //TODO: add code for storing a bank bulk upload LOGNOTE("Currently code for storing a bulk bank upload is missing!"); break; default: if(sysex_return >= 300 && sysex_return < 500) { LOGDBG("SysEx voice parameter change: Parameter %d value: %d",pMessage[4] + ((pMessage[3] & 0x03) * 128), pMessage[5]); m_pSynthesizer->setVoiceDataElement(pMessage[4] + ((pMessage[3] & 0x03) * 128), pMessage[5],instanceID); switch(pMessage[4] + ((pMessage[3] & 0x03) * 128)) { case 134: m_pSynthesizer->notesOff(0,nTG); break; } } else if(sysex_return >= 500 && sysex_return < 600) { LOGDBG("SysEx send voice %u request",sysex_return-500); SendSystemExclusiveVoice(sysex_return-500, instanceID); } break; } } void CMIDIDevice::SendSystemExclusiveVoice(uint8_t nVoice, uint8_t nTG) { uint8_t voicedump[163]; // Get voice sysex dump from TG m_pSynthesizer->getSysExVoiceDump(voicedump, nTG); TDeviceMap::const_iterator Iterator; // send voice dump to all MIDI interfaces for(Iterator = s_DeviceMap.begin(); Iterator != s_DeviceMap.end(); ++Iterator) { Iterator->second->Send (voicedump, sizeof(voicedump)*sizeof(uint8_t)); LOGDBG("Send SYSEX voice dump %u to \"%s\"",nVoice,Iterator->first.c_str()); } } void CMIDIDevice::SendSystemExclusiveConfig() { uint8_t count = 0; uint8_t configdump[196]; configdump[count++] = 0xF0; configdump[count++] = 0x43; configdump[count++] = 0x31; for ( uint8_t instance = 0 ; instance < CConfig::ToneGenerators; instance++) { configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterVoiceBank, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterProgram, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterMIDIChannel, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterVolume, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPan, instance) & 0x7F; int16_t mastertune = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterMasterTune, instance); configdump[count++] = (mastertune >> 9)&0x7f; configdump[count++] = (mastertune & 0x7f); configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterCutoff, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterResonance, instance) & 0x7F; configdump[count++] = 0; // Note limit low configdump[count++] = 127; // Note limit high configdump[count++] = 0; // Note shift configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterReverbSend, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPitchBendRange, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPitchBendStep, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPortamentoMode, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPortamentoGlissando, instance) & 0x7F; configdump[count++] = m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterPortamentoTime, instance) & 0x7F; configdump[count++] = 0; configdump[count++] = 0; configdump[count++] = 0; configdump[count++] = 0; configdump[count++] = 0; configdump[count++] = 0; } configdump[count++] = 0xF7; TDeviceMap::const_iterator Iterator; // send voice dump to all MIDI interfaces for(Iterator = s_DeviceMap.begin(); Iterator != s_DeviceMap.end(); ++Iterator) { Iterator->second->Send (configdump, sizeof(configdump)*sizeof(uint8_t)); LOGDBG("Send SYSEX config dump to \"%s\"",Iterator->first.c_str()); } } void CMIDIDevice::SendProgramChange(uint8_t pgm, uint8_t nTG) { uint8_t PgmChange[2] = { (uint8_t)(0xC0|(nTG & 0x0F)), (uint8_t)(pgm & 0x7f) }; TDeviceMap::const_iterator Iterator; // send voice dump to all MIDI interfaces for(Iterator = s_DeviceMap.begin(); Iterator != s_DeviceMap.end(); ++Iterator) { Iterator->second->Send (PgmChange, sizeof(PgmChange)*sizeof(uint8_t)); LOGDBG("Send Program Change %i to \"%s\"",pgm&0x7f,Iterator->first.c_str()); } } void CMIDIDevice::SendBankChange(uint8_t bank, uint8_t nTG) { SendCtrlChange14Bit(0, bank, nTG); } void CMIDIDevice::SendCtrlChange(uint8_t ctrl, uint8_t val, uint8_t nTG) { uint8_t CtrlMsg[3] = { (uint8_t)(0xB0|(nTG & 0x0F)), (uint8_t)(ctrl&0x7f), (uint8_t)(val&0x7f) }; TDeviceMap::const_iterator Iterator; // send voice dump to all MIDI interfaces for(Iterator = s_DeviceMap.begin(); Iterator != s_DeviceMap.end(); ++Iterator) { Iterator->second->Send (CtrlMsg, sizeof(CtrlMsg)*sizeof(uint8_t)); LOGDBG("Send Ctrl change %02X = %i to \"%s\"",ctrl&0x7f, val&0x7f,Iterator->first.c_str()); } } void CMIDIDevice::SendCtrlChange14Bit(uint8_t ctrl, int16_t val, uint8_t nTG) { uint8_t lsb = (val & 0x7f); uint8_t msb = (val >> 9)&0x7f; SendCtrlChange(ctrl,msb,nTG); SendCtrlChange(ctrl+32, lsb, nTG); } void CMIDIDevice::SendBankName(uint8_t nTG) { char *bankname = (char*)calloc(32,sizeof(char)); snprintf(bankname,sizeof(bankname), "%s", m_pSynthesizer->GetSysExFileLoader()->GetBankName(m_pSynthesizer->GetTGParameter(CMiniDexed::TGParameterVoiceBank,nTG)).c_str()); uint8_t banksysex[40] = { 0xF0, 0x43, (uint8_t)(0x50|nTG), 0,0,32 }; memcpy(banksysex+6,bankname,32); banksysex[38] = 00; banksysex[39] = 0xF7; TDeviceMap::const_iterator Iterator; // send voice dump to all MIDI interfaces for(Iterator = s_DeviceMap.begin(); Iterator != s_DeviceMap.end(); ++Iterator) { Iterator->second->Send (banksysex, sizeof(banksysex)*sizeof(uint8_t)); LOGDBG("Send Bank Name Sysex to \"%s\"",Iterator->first.c_str()); } }