From 4d1d7150d1d2a3a3a3a19b3ac5a6105c6f441804 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96mer=20=C5=9Eiar=20Baysal?= <osiarbaysal@gmail.com>
Date: Tue, 24 Dec 2024 16:15:24 +0100
Subject: [PATCH] add SYSEX handler for LV2

---
 src/Synth.cc      | 6 ++++++
 src/Synth.h       | 2 ++
 src/lv2_plugin.cc | 1 +
 3 files changed, 9 insertions(+)

diff --git a/src/Synth.cc b/src/Synth.cc
index 7d002c9..ba88f62 100644
--- a/src/Synth.cc
+++ b/src/Synth.cc
@@ -244,6 +244,12 @@ if((buffer[0]&0xF0) == 0xB0 && buffer[1]==99) { dx7.printEGS(); return; }
 		for(unsigned i=0; i<size; i++) dx7.midiSerialRx.write(buffer[i]);
 }
 
+void DX7Synth::queueSysEx(const uint32_t size, const uint8_t *const buffer) {
+    for (uint32_t i = 0; i < size; ++i) {
+        dx7.midiSerialRx.write(buffer[i]);
+    }
+}
+
 
 // Parse MIDI stream coming from CPU into discrete messages for Jack
 bool DX7Synth::queueMidiTx(uint32_t& s, uint8_t* &buffer) {
diff --git a/src/Synth.h b/src/Synth.h
index 7c92d6f..25cc4a8 100644
--- a/src/Synth.h
+++ b/src/Synth.h
@@ -37,6 +37,7 @@ class Synth {
 
 	// Midi I/O
 	virtual void queueMidiRx(const uint32_t size, const uint8_t *const buffer) {}
+	virtual void queueSysEx(const uint32_t size, const uint8_t *const buffer) {}
 	virtual bool queueMidiTx(uint32_t& size, uint8_t* &buffer) { return false; }
 
 	float outputBuffer[Synth::BufSize]; // Audio buffer
@@ -84,6 +85,7 @@ class DX7Synth : public Synth {
 
 	// Receive MIDI input and send to DX7
 	virtual void queueMidiRx(const uint32_t size, const uint8_t *const buffer);
+	virtual void queueSysEx(const uint32_t size, const uint8_t *const buffer);
 	bool parseMIDI(const uint32_t size, const uint8_t *const buffer);
 	bool serial = false; // Use DX7's native serial interface rather than sub-CPU for MIDI
 	void useSerialMidi(bool on) { serial = on; }
diff --git a/src/lv2_plugin.cc b/src/lv2_plugin.cc
index a582f4c..e9dff03 100644
--- a/src/lv2_plugin.cc
+++ b/src/lv2_plugin.cc
@@ -108,6 +108,7 @@ struct DX7Plugin {
 					case LV2_MIDI_MSG_PGM_CHANGE: dx7.queueMidiRx(2, msg); break;
 					case LV2_MIDI_MSG_CHANNEL_PRESSURE: dx7.queueMidiRx(2, msg); break;
 					case LV2_MIDI_MSG_BENDER: dx7.queueMidiRx(3, msg); break;
+					case LV2_MIDI_MSG_SYSTEM_EXCLUSIVE: dx7.queueSysEx(ev->body.size, msg); break;
 					default: break;
 				}
 			} else if (ev->body.type == uris.atom_Int) {