Round-robin added

firmware/MIDIClass.h

@@ -482,6 +482,7 @@ class VoiceSelector {
       return -1; // something went wrong
     }
 
+    int nextChannel = 0; // stores which channel is next for round-robin allocation
     int getPolyTargetChannel(byte channel, byte pitch, byte velocity)
     {
       //look for a mininmum pitch
@@ -502,10 +503,27 @@ class VoiceSelector {
       }
 
       // then look for an empty channel
-      for (int i = 0; i < GS.NumVoices; i++) {
-        if (Voice[i].midiChannel == channel && !Voice[i].notes.getCount()) {
-          return i;
+      if (GS.RoundRobin) {
+        for (int i = nextChannel; i < GS.NumVoices; i++) {
+          if (Voice[i].midiChannel == channel && !Voice[i].notes.getCount()) {
+            nextChannel = i + 1;
+            if (nextChannel >= GS.NumVoices) nextChannel = 0;
+            return i;
+          }
         }
+        for (int i = 0; i < nextChannel; i++) {
+          if (Voice[i].midiChannel == channel && !Voice[i].notes.getCount()) {
+            nextChannel = i + 1;
+            if (nextChannel >= GS.NumVoices) nextChannel = 0;
+            return i;
+          }
+        }
+      } else {
+        for (int i = 0; i < GS.NumVoices; i++) {
+          if (Voice[i].midiChannel == channel && !Voice[i].notes.getCount()) {
+            return i;
+          }
+        }        
       }
 
       if (!velocity) {

firmware/MIDIClass.ino

@@ -481,6 +481,7 @@ int ReadMIDIeeprom(void)
   SetPpqnClock(lGS.PpqnCLOCK);
   SetClockMode(lGS.ClockMode);
   SetSTSPMode(lGS.StSpMode);
+  SetRoundRobin(lGS.RoundRobin);
   return (GS.NumVoices);
 }
 
@@ -662,3 +663,7 @@ void SetVoiceMode(int mode)
   Serial.println(mode);
 #endif
 }
+
+void SetRoundRobin(bool roundRobin) {
+  GS.RoundRobin = roundRobin;
+}

firmware/MIDILearn.ino

@@ -151,6 +151,12 @@ byte MenuModeHandle(byte channel, byte pitch, byte velocity)
         ResetToCurrentVoiceMode();
       }
       break;
+    case CHANGEOPTIONS_EX:
+      lv_return = selectOptions2(pitch);
+      if (!calProcEnabled && lv_return == 1) {
+        ResetToCurrentVoiceMode();
+      }
+      break;
     default:
       lv_return = 0;
       break;
@@ -239,6 +245,24 @@ byte selectOptions(byte pitch)
       break;
   }
 }
+byte selectOptions2(byte pitch)
+{
+  byte lv_pitch = pitch;
+  lv_pitch = getElementalPitch(pitch);
+  switch (lv_pitch) {
+    case 0: // C
+      SetRoundRobin(false);
+      return 1;
+      break;
+    case 2: // D
+      SetRoundRobin(true);
+      return 1;
+      break;
+    default:
+      return 0;
+      break;
+  }
+}
 /////////////////////////////////////////////////////////////////////////////////////////////
 //Voice mode selection
 /////////////////////////////////////////////////////////////////////////////////////////////
@@ -410,6 +434,8 @@ byte checkMenuMode( byte channel )
     return CHANGEMODE;
   } else if (channel == 2) {
     return CHANGEOPTIONS;
+  } else if (channel == 3) {
+    return CHANGEOPTIONS_EX;
   }
 }
 

firmware/firmware.h

@@ -39,6 +39,7 @@
 #define CALMODE 1
 #define CHANGEMODE 2
 #define CHANGEOPTIONS 3
+#define CHANGEOPTIONS_EX 4
 
 //Percussion midi channel
 #define PERCCHANNEL 10
@@ -82,6 +83,7 @@ struct GENERALSETTINGS {
   int ClockMode        = NORMAL_CLOCK;  //Clock mode
   int PpqnCLOCK        = 24;            //Clock resolution
   int StSpMode         = NORMAL_STSP;   //Start/stop mode
+  bool RoundRobin      = false;         //RoundRobin mode
 };
 
 

firmware/firmware.ino

@@ -164,6 +164,7 @@ void setup()
     SetClockMode(NORMAL_CLOCK);
     SetSTSPMode(NORMAL_STSP);
     SetPpqnClock(24);
+    SetRoundRobin(false);
     WriteMIDIeeprom();
   }