Add Portamento, Sostenuto, Hold2 MIDI CC-s (#878)

* handle Portamento MIDI CC-s

* add sostenuto

* add hold mode

src/midi.h

@@ -30,11 +30,15 @@
 #define MIDI_CC_MODULATION		1
 #define MIDI_CC_BREATH_CONTROLLER	2 
 #define MIDI_CC_FOOT_PEDAL 		4
+#define MIDI_CC_PORTAMENTO_TIME		5
 #define MIDI_CC_VOLUME			7
 #define MIDI_CC_PAN_POSITION		10
 #define MIDI_CC_EXPRESSION		11
 #define MIDI_CC_BANK_SELECT_LSB		32
 #define MIDI_CC_BANK_SUSTAIN		64
+#define MIDI_CC_PORTAMENTO		65
+#define MIDI_CC_SOSTENUTO		66
+#define MIDI_CC_HOLD2		        69
 #define MIDI_CC_RESONANCE		71
 #define MIDI_CC_FREQUENCY_CUTOFF	74
 #define MIDI_CC_REVERB_LEVEL		91

src/mididevice.cpp

@@ -386,6 +386,10 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 							m_pSynthesizer->ControllersRefresh (nTG);
 							break;
 
+						case MIDI_CC_PORTAMENTO_TIME:
+							m_pSynthesizer->setPortamentoTime (maplong (pMessage[2], 0, 127, 0, 99), nTG);
+							break;
+
 						case MIDI_CC_BREATH_CONTROLLER:
 							m_pSynthesizer->setBreathController (pMessage[2], nTG);
 							m_pSynthesizer->ControllersRefresh (nTG);
@@ -418,6 +422,18 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 							m_pSynthesizer->setSustain (pMessage[2] >= 64, nTG);
 							break;
 
+						case MIDI_CC_SOSTENUTO:
+							m_pSynthesizer->setSostenuto (pMessage[2] >= 64, nTG);
+							break;
+		
+						case MIDI_CC_PORTAMENTO:
+							m_pSynthesizer->setPortamentoMode (pMessage[2] >= 64, nTG);
+							break;
+
+						case MIDI_CC_HOLD2:
+							m_pSynthesizer->setHoldMode (pMessage[2] >= 64, nTG);
+							break;
+		
 						case MIDI_CC_RESONANCE:
 							m_pSynthesizer->SetResonance (maplong (pMessage[2], 0, 127, 0, 99), nTG);
 							break;

src/minidexed.cpp

@@ -899,6 +899,24 @@ void CMiniDexed::setSustain(bool sustain, unsigned nTG)
 	m_pTG[nTG]->setSustain (sustain);
 }
 
+void CMiniDexed::setSostenuto(bool sostenuto, unsigned nTG)
+{
+	assert (nTG < CConfig::AllToneGenerators);
+	if (nTG >= m_nToneGenerators) return;  // Not an active TG
+
+	assert (m_pTG[nTG]);
+	m_pTG[nTG]->setSostenuto (sostenuto);
+}
+
+void CMiniDexed::setHoldMode(bool holdmode, unsigned nTG)
+{
+	assert (nTG < CConfig::AllToneGenerators);
+	if (nTG >= m_nToneGenerators) return;  // Not an active TG
+
+	assert (m_pTG[nTG]);
+	m_pTG[nTG]->setHold (holdmode);
+}
+
 void CMiniDexed::panic(uint8_t value, unsigned nTG)
 {
 	assert (nTG < CConfig::AllToneGenerators);

src/minidexed.h

@@ -93,6 +93,8 @@ public:
 	void keydown (int16_t pitch, uint8_t velocity, unsigned nTG);
 
 	void setSustain (bool sustain, unsigned nTG);
+	void setSostenuto (bool sostenuto, unsigned nTG);
+	void setHoldMode(bool holdmode, unsigned nTG);
 	void panic (uint8_t value, unsigned nTG);
 	void notesOff (uint8_t value, unsigned nTG);
 	void setModWheel (uint8_t value, unsigned nTG);