Fix and UI improvments for panorama.

MicroDexed.ino

@@ -1018,19 +1018,22 @@ void set_volume(uint8_t v, int8_t p, uint8_t m)
 
   switch (m)
   {
-    case 0:
+    case 0: // stereo
       stereomono1.stereo(true);
       break;
-    case 1:
+    case 1: // mono both
       stereomono1.stereo(false);
+      configuration.pan = 0.5;
       break;
-    case 2:
+    case 2: // mono right
       volume_l.gain(0.0);
       stereomono1.stereo(false);
+      configuration.pan = 0.5;
       break;
-    case 3:
+    case 3: // mono left
       volume_r.gain(0.0);
       stereomono1.stereo(false);
+      configuration.pan = 0.5;
       break;
   }
 }

UI.hpp

@@ -1428,6 +1428,11 @@ void UI_func_panorama(uint8_t param)
     // setup function
     lcd.setCursor(0, 0);
     lcd.print(F("Panorama"));
+    if (configuration.mono > 0)
+    {
+      lcd.setCursor(0, 1);
+      lcd.print(F("MONO-disabled"));
+    }
   }
 
   if (LCDML.FUNC_loop())          // ****** LOOP *********
@@ -1436,25 +1441,29 @@ void UI_func_panorama(uint8_t param)
     {
       LCDML.FUNC_goBackToMenu();
     }
-    else if (LCDML.BT_checkDown())
+    else if (LCDML.BT_checkDown() && configuration.mono == 0)
     {
       if (configuration.pan < PANORAMA_MAX)
       {
         configuration.pan++;
       }
     }
-    else if (LCDML.BT_checkUp())
+    else if (LCDML.BT_checkUp() && configuration.mono == 0)
     {
       if (configuration.pan > PANORAMA_MIN)
       {
         configuration.pan--;
       }
     }
+
+    if (configuration.mono == 0)
+    {
       lcd.setCursor(0, 1);
       lcd_display_int(configuration.pan, 2, false, true, true);
 
       set_volume(configuration.vol, configuration.pan, configuration.mono);
     }
+  }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
@@ -1496,13 +1505,13 @@ void UI_func_stereo_mono(uint8_t param)
     switch (configuration.mono)
     {
       case 0:
-        lcd.print(F("[MONO  ]"));
-        stereomono1.stereo(false);
-        break;
-      case 1:
         lcd.print(F("[STEREO]"));
         stereomono1.stereo(true);
         break;
+      case 1:
+        lcd.print(F("[MONO  ]"));
+        stereomono1.stereo(false);
+        break;
       case 2:
         lcd.print(F("[MONO-R]"));
         stereomono1.stereo(false);

config.h

@@ -265,7 +265,7 @@
 #else
 #define MONO_MIN 0
 #define MONO_MAX 3
-#define MONO_DEFAULT 1
+#define MONO_DEFAULT 0
 #endif
 
 #define VOLUME_MIN 0