From ff6e5cd6cb8634fa4256c4c5cea89cd489ea97d7 Mon Sep 17 00:00:00 2001
From: Holger Wirtz <wirtz@parasitstudio.de>
Date: Wed, 27 May 2020 16:43:49 +0200
Subject: [PATCH] Sending voice data via MIDI (DIN and USB) when changing a
 voice.

---
 MicroDexed.ino   |  2 --
 UI.hpp           |  1 -
 dexed.cpp        |  8 ++++++++
 dexed.h          |  1 +
 dexed_sd.cpp     |  6 ++++++
 dexed_sd.h       |  2 ++
 midi_devices.hpp | 27 +++++++++++++++++++++++++++
 7 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/MicroDexed.ino b/MicroDexed.ino
index 8e9f1c2..fab3b2d 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -1229,8 +1229,6 @@ void handleSystemExclusive(byte * sysex, uint len)
           lcd.print(F("Done.           "));
           delay(MESSAGE_WAIT_TIME);
           LCDML.FUNC_goBackToMenu();
-          //if (!get_bank_name(bank_number, bank_name, sizeof(bank_name)))
-          //  strncpy(bank_name, "*ERROR*", 7);
         }
         else
         {
diff --git a/UI.hpp b/UI.hpp
index 0c9c143..92fb315 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -5186,7 +5186,6 @@ bool UI_select_name(uint8_t y, uint8_t x, char* edit_string, uint8_t len, bool i
     {
       edit_pos = 0;
       edit_mode = false;
-      //string_trim(edit_string);
 
       return (true);
     }
diff --git a/dexed.cpp b/dexed.cpp
index 2653b16..a59c7c6 100644
--- a/dexed.cpp
+++ b/dexed.cpp
@@ -638,6 +638,14 @@ bool Dexed::encodeVoice(uint8_t* encoded_data)
   return (true);
 }
 
+bool Dexed::getVoiceData(uint8_t* data_copy)
+{
+  for (uint8_t i = 0; i < sizeof(data); i++)
+    data_copy[i] = data[i];
+
+  return (true);
+}
+
 bool Dexed::loadVoiceParameters(uint8_t* new_data)
 {
   char dexed_voice_name[11];
diff --git a/dexed.h b/dexed.h
index f9be082..439f4cc 100644
--- a/dexed.h
+++ b/dexed.h
@@ -160,6 +160,7 @@ class Dexed
     void setOPs(uint8_t ops);
     bool decodeVoice(uint8_t* encoded_data);
     bool encodeVoice(uint8_t* encoded_data);
+    bool getVoiceData(uint8_t* data_copy);
     bool loadVoiceParameters(uint8_t* data);
     bool loadGlobalParameters(uint8_t* data);
     bool initGlobalParameters(void);
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index e709954..309cde8 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -75,9 +75,15 @@ bool load_sd_voice(uint8_t b, uint8_t v, uint8_t instance_id)
 #ifdef DEBUG
       show_patch(instance_id);
 #endif
+
       configuration.dexed[instance_id].transpose = MicroDexed[instance_id]->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE];
+
       sysex.close();
 
+      uint8_t data_copy[155];
+      MicroDexed[instance_id]->getVoiceData(data_copy);
+      send_sysex_voice(configuration.dexed[instance_id].midi_channel, data_copy);
+
       return (ret);
     }
 #ifdef DEBUG
diff --git a/dexed_sd.h b/dexed_sd.h
index 075f2e2..05613ea 100644
--- a/dexed_sd.h
+++ b/dexed_sd.h
@@ -34,6 +34,8 @@ extern Dexed* dexed;
 extern AudioSourceMicroDexed * MicroDexed[NUM_DEXED];
 extern void show_patch(uint8_t instance_id);
 
+extern void send_sysex_voice(uint8_t midi_channel, uint8_t* data);
+
 extern uint8_t bank;
 extern uint8_t voice;
 extern uint8_t ui_state;
diff --git a/midi_devices.hpp b/midi_devices.hpp
index 4051f95..351f631 100644
--- a/midi_devices.hpp
+++ b/midi_devices.hpp
@@ -1670,4 +1670,31 @@ void check_midi_devices(void)
   midi_usb.read();
 #endif
 }
+
+void send_sysex_voice(uint8_t midi_channel, uint8_t* data)
+{
+  uint8_t checksum = 0;
+  uint8_t voice_data[161];
+
+  // Send SYSEX data also via MIDI
+  //voice_data[0] = 0xF0; // SysEx start
+  voice_data[0] = 0x43; // ID=Yamaha
+  voice_data[1] = midi_channel; // Sub-status and MIDI channel
+  voice_data[2] = 0x00; // Format number (0=1 voice)
+  voice_data[3] = 0x01; // Byte count MSB
+  voice_data[4] = 0x1B; // Byte count LSB
+  for (uint8_t n = 0; n < 155; n++)
+  {
+    checksum -= data[n];
+    voice_data[5 + n] = data[n];
+  }
+  checksum &= 0x7f;
+  voice_data[160] = checksum; // Checksum
+  //voice_data[162] = 0xF7; // SysEx end
+
+  midi_serial.sendSysEx(161, voice_data); // Send to DIN MIDI
+  midi_usb.sendSysEx(161, voice_data); // Send to USB MIDI
+  usbMIDI.sendSysEx(161, voice_data); // Send to USB-HOST MIDI
+}
+
 #endif // MIDI_DEVICES_H