Fixes for stereo panning.

Fixes for epiano tranpose.

MicroDexed.ino

@@ -1081,7 +1081,7 @@ void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
   {
     if (inNumber >= configuration.epiano.lowest_note && inNumber <= configuration.epiano.highest_note)
     {
-      ep.noteOn(inNumber + configuration.epiano.transpose, inVelocity);
+      ep.noteOn(inNumber + configuration.epiano.transpose - 23, inVelocity);
 #ifdef DEBUG
       char note_name[4];
       getNoteName(note_name, inNumber);
@@ -1166,7 +1166,7 @@ void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
   {
     if (inNumber >= configuration.epiano.lowest_note && inNumber <= configuration.epiano.highest_note)
     {
-      ep.noteOff(inNumber + configuration.epiano.transpose);
+      ep.noteOff(inNumber + configuration.epiano.transpose - 23);
 #ifdef DEBUG
       char note_name[4];
       getNoteName(note_name, inNumber);

effect_stereo_panorama.cpp

@@ -68,7 +68,7 @@ inline float mapfloat(float val, float in_min, float in_max, float out_min, floa
 
 void AudioEffectStereoPanorama::panorama(float p)
 {
-  pan = mapfloat(p, -1.0, 1.0, -1.0, 1.0);
+  pan = constrain(p, -1.0, 1.0);
 }
 
 void AudioEffectStereoPanorama::update(void)
@@ -98,14 +98,14 @@ void AudioEffectStereoPanorama::update(void)
       {
         if (pan > 0.0)
         {
-          out_f[0][n] = (pan * in_f[1][n]) + ((1.0 - pan) * in_f[0][n]);
-          out_f[1][n] = (1.0 - pan) * in_f[1][n];
+          out_f[1][n] = (pan * in_f[0][n]) + ((1.0 - pan) * in_f[1][n]);
+          out_f[0][n] = (1.0 - pan) * in_f[0][n];
         }
         else
         {
           float _pan_ = fabs(pan);
-          out_f[1][n] = (_pan_ * in_f[0][n]) + ((1.0 - _pan_) * in_f[1][n]);
-          out_f[0][n] = (1.0 - _pan_) * in_f[0][n];
+          out_f[0][n] = (_pan_ * in_f[1][n]) + ((1.0 - _pan_) * in_f[0][n]);
+          out_f[1][n] = (1.0 - _pan_) * in_f[1][n];
         }
       }
       else