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MiniDexed/src/mididevice.cpp

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//
// mididevice.cpp
//
// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
// Copyright (C) 2022 The MiniDexed Team
//
// Original author of this class:
// R. Stange <rsta2@o2online.de>
//
// 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 <http://www.gnu.org/licenses/>.
//
#include <circle/logger.h>
#include "mididevice.h"
#include "minidexed.h"
#include "config.h"
#include <stdio.h>
#include <assert.h>
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<std::string, CMIDIDevice *> (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], instanceID);
break;
case 65:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setPitchbendRange(pMessage[5],instanceID);
break;
case 66:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setPitchbendStep(pMessage[5],instanceID);
break;
case 67:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setPortamentoMode(pMessage[5],instanceID);
break;
case 68:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setPortamentoGlissando(pMessage[5],instanceID);
break;
case 69:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setPortamentoTime(pMessage[5],instanceID);
break;
case 70:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setModWheelRange(pMessage[5],instanceID);
break;
case 71:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setModWheelTarget(pMessage[5],instanceID);
break;
case 72:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setFootControllerRange(pMessage[5],instanceID);
break;
case 73:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setFootControllerTarget(pMessage[5],instanceID);
break;
case 74:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setBreathControllerRange(pMessage[5],instanceID);
break;
case 75:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setBreathControllerTarget(pMessage[5],instanceID);
break;
case 76:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setAftertouchRange(pMessage[5],instanceID);
break;
case 77:
LOGDBG("SysEx Function parameter change: %d Value %d",pMessage[4],pMessage[5]);
m_pSynthesizer->setAftertouchTarget(pMessage[5],instanceID);
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: // Set Cutoff
LOGDBG("Set Cutoff for TG %i", instanceID);
m_pSynthesizer->SetCutoff(pMessage[5], instanceID);
break;
case 82: // Set Reso
LOGDBG("Set Resonanece for TG %i", instanceID);
m_pSynthesizer->SetResonance(pMessage[5], instanceID);
break;
case 83: // Reverb level
LOGDBG("Set Reverb Level for TG %i", instanceID);
m_pSynthesizer->SetReverbSend (pMessage[5], instanceID);
break;
case 84: // Transpose
LOGDBG("Set Transpose for TG %i", instanceID);
// m_pSynthesizer->SetTranspose (pMessage[5], instanceID);
break;
case 85: // 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 86: // Panning
LOGDBG("Set panning for TG %i", instanceID);
m_pSynthesizer->SetPan(pMessage[5], instanceID);
break;
case 87: // Note Limit Low
LOGDBG("Set Note Limit High mode for TG %i", instanceID);
break;
case 88: // Note Limit High
LOGDBG("Set Note Limit High mode for TG %i", instanceID);
break;
case 89: // Compressor toggle
LOGDBG("Set Compressor ");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterCompressorEnable, pMessage[5] );
break;
case 90: // Reverb toggle
LOGDBG("Set Reverb Enable");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbEnable, pMessage[5] );
break;
case 91: // Reverb Size
LOGDBG("Set Reverb Size");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbSize, pMessage[5] );
break;
case 92: // Reverb Low Damp
LOGDBG("Set Reverb Low Damp");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbLowDamp, pMessage[5]);
break;
case 93: // Reverb High Damp
LOGDBG("Set Reverb High Damp");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbHighDamp, pMessage[5] );
break;
case 94: // Reverb Lowpass
LOGDBG("Set Reverb Low pass");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbLowPass, pMessage[5]);
break;
case 95: // Reverb Diffusion
LOGDBG("Set Reverb Diffusion");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbDiffusion, pMessage[5] );
break;
case 96: // Reverb Master Level
LOGDBG("Set Reverb Master Level");
m_pSynthesizer->SetParameter (CMiniDexed::ParameterReverbLevel, pMessage[5] );
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[204];
configdump[count++] = 0xF0;
configdump[count++] = 0x43;
configdump[count++] = 0x31;
// FX Settings
configdump[count++] = ((m_pSynthesizer->GetParameter(CMiniDexed::ParameterCompressorEnable) & 0x7F)<<1) |
m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbEnable) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbSize) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbHighDamp) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbLowDamp) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbLowPass) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbDiffusion) & 0x7F;
configdump[count++] = m_pSynthesizer->GetParameter(CMiniDexed::ParameterReverbLevel) & 0x7F;
configdump[count++] = m_pSynthesizer->getMasterVolume() & 0x7F;
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, count);
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, 2);
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, 3);
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());
}
}
int16_t CMidiDevice::checkSystemExclusive(const uint8_t* sysex, const uint16_t len)
/*
-1: SysEx end status byte not detected.
-2: SysEx vendor not Yamaha.
-3: Unknown SysEx parameter change.
-4: Unknown SysEx voice or function.
-5: Not a SysEx voice bulk upload.
-6: Wrong length for SysEx voice bulk upload (not 155).
-7: Checksum error for one voice.
-8: Not a SysEx bank bulk upload.
-9: Wrong length for SysEx bank bulk upload (not 4096).
-10: Checksum error for bank.
-11: Unknown SysEx message.
64-77: Function parameter changed.
100: Voice loaded.
200: Bank loaded.
300-455: Voice parameter changed.
500-531: Send patch request.
600 Send config request
601 Send Bank Name
*/
{
int32_t bulk_checksum_calc = 0;
const int8_t bulk_checksum = sysex[161];
// Check for SYSEX end byte
if (sysex[len - 1] != 0xf7)
return(-1);
// check for Yamaha sysex
if (sysex[1] != 0x43)
return(-2);
// Decode SYSEX by means of length
switch (len)
{
case 4:
if ((sysex[2] & 0x30) == 0x30) // Send config request
return 600;
if ((sysex[2] & 0x70) == 0x40) // Send config request
return 601;
break;
case 5:
if ((sysex[2] & 0x70) == 0x20) // Send voice request
return(500 + (sysex[3] & 0x7c));
break;
case 7: // parse parameter change
if (((sysex[3] & 0x7c) >> 2) != 0 && ((sysex[3] & 0x7c) >> 2) != 2)
return(-3);
if ((sysex[3] & 0x7c) >> 2 == 0) // Voice parameter
{
setVoiceDataElement((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128), sysex[5]);
doRefreshVoice();
return((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128)+300);
}
else if ((sysex[3] & 0x7c) >> 2 == 2) // Function parameter
return(sysex[4]);
else
return(-4);
break;
case 163: // 1 Voice bulk upload
if ((sysex[3] & 0x7f) != 0)
return(-5);
if (((sysex[4] << 7) | sysex[5]) != 0x9b)
return(-6);
// checksum calculation
for (uint8_t i = 0; i < 155 ; i++)
bulk_checksum_calc -= sysex[i + 6];
bulk_checksum_calc &= 0x7f;
if (bulk_checksum_calc != bulk_checksum)
return(-7);
return(100);
break;
case 4104: // 1 Bank bulk upload
if ((sysex[3] & 0x7f) != 9)
return(-8);
if (((sysex[4] << 7) | sysex[5]) != 0x1000)
return(-9);
// checksum calculation
for (uint16_t i = 0; i < 4096 ; i++)
bulk_checksum_calc -= sysex[i + 6];
bulk_checksum_calc &= 0x7f;
if (bulk_checksum_calc != bulk_checksum)
return(-10);
return(200);
break;
default:
return(-11);
}
return(SHRT_MIN);
}