Several fixes.

MicroMDAEPiano.ino

@@ -181,8 +181,6 @@ void setup()
   sgtl5000_1.unmuteHeadphone();
   sgtl5000_1.unmuteLineout();
   //sgtl5000_1.autoVolumeDisable(); // turn off AGC
-  sgtl5000_1.unmuteHeadphone();
-  sgtl5000_1.volume(0.5, 0.5); // Headphone volume
   sgtl5000_1.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
   sgtl5000_1.audioPostProcessorEnable();
   sgtl5000_1.eqSelect(TONE_CONTROLS);
@@ -212,7 +210,6 @@ void setup()
   Serial.println(F("PT8211 enabled."));
 #endif
 
-  //set_volume(vol, vol_left, vol_right);
   set_master_volume(master_volume);
 
 #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)

UI.hpp

@@ -1796,9 +1796,9 @@ void set_loudness(uint8_t value)
   Serial.print(F("Set LOUDNESS "));
   Serial.println(value);
 #endif
-  float tmp = mapfloat(float(value), ENC_LOUDNESS_MIN, ENC_LOUDNESS_MAX, 0.0, 1.0);
+  configuration._loudness = mapfloat(float(value), ENC_LOUDNESS_MIN, ENC_LOUDNESS_MAX, 0.0, 1.0);
-  volume_r.gain(tmp);
+  //volume_r.gain(tmp);
-  volume_l.gain(tmp);
+  //volume_l.gain(tmp);
 }
 
 void set_complete_configuration(void)

config.h

@@ -139,9 +139,9 @@
 #define ENC_TRANSPOSE_MAX 24
 #define ENC_TRANSPOSE_DEFAULT 0
 //
-#define ENC_TUNE_MIN 0
+#define ENC_TUNE_MIN -50
-#define ENC_TUNE_MAX 99
+#define ENC_TUNE_MAX 50
-#define ENC_TUNE_DEFAULT 49
+#define ENC_TUNE_DEFAULT 0
 //
 #define ENC_DETUNE_MIN 0
 #define ENC_DETUNE_MAX 99
@@ -164,28 +164,28 @@
 #define ENC_OVERDRIVE_DEFAULT 50
 //
 #define ENC_COMP_GAIN_MIN 0
-#define ENC_COMP_GAIN_MAX 99
+#define ENC_COMP_GAIN_MAX 2
-#define ENC_COMP_GAIN_DEFAULT 99
+#define ENC_COMP_GAIN_DEFAULT 0
 //
 #define ENC_COMP_RESPONSE_MIN 0
-#define ENC_COMP_RESPONSE_MAX 99
+#define ENC_COMP_RESPONSE_MAX 3
-#define ENC_COMP_RESPONSE_DEFAULT 99
+#define ENC_COMP_RESPONSE_DEFAULT 1
 //
 #define ENC_COMP_LIMIT_MIN 0
-#define ENC_COMP_LIMIT_MAX 99
+#define ENC_COMP_LIMIT_MAX 1
-#define ENC_COMP_LIMIT_DEFAULT 99
+#define ENC_COMP_LIMIT_DEFAULT 1
 //
 #define ENC_COMP_THRESHOLD_MIN 0
-#define ENC_COMP_THRESHOLD_MAX 99
+#define ENC_COMP_THRESHOLD_MAX 96
-#define ENC_COMP_THRESHOLD_DEFAULT 90
+#define ENC_COMP_THRESHOLD_DEFAULT 18
 //
 #define ENC_COMP_ATTACK_MIN 0
 #define ENC_COMP_ATTACK_MAX 99
-#define ENC_COMP_ATTACK_DEFAULT 1
+#define ENC_COMP_ATTACK_DEFAULT 20
 //
 #define ENC_COMP_DECAY_MIN 0
 #define ENC_COMP_DECAY_MAX 99
-#define ENC_COMP_DECAY_DEFAULT 5
+#define ENC_COMP_DECAY_DEFAULT 40
 //
 #define ENC_REVERB_ROOMSIZE_MIN 0
 #define ENC_REVERB_ROOMSIZE_MAX 99
@@ -317,6 +317,7 @@ struct config_t {
   uint8_t eq_bass;
   uint8_t eq_treble;
   uint8_t loudness;
+  float _loudness;
   uint8_t midi_channel;
   uint8_t midi_soft_thru;
   uint8_t max_poly;

mdaEPiano.cpp

@@ -240,8 +240,8 @@ void mdaEPiano::process(int16_t* outputs_r, int16_t* outputs_l)
       l = 1.0;
     else if (l < -1.0)
       l = -1.0;
-    outputs_l[frame] = static_cast<int16_t>(l * configuration.loudness * 0x7fff) >> REDUCE_LOUDNESS;
+    outputs_l[frame] = static_cast<int16_t>(l * configuration._loudness * 0x7fff) >> REDUCE_LOUDNESS;
-    outputs_r[frame] = static_cast<int16_t>(r * configuration.loudness * 0x7fff) >> REDUCE_LOUDNESS;
+    outputs_r[frame] = static_cast<int16_t>(r * configuration._loudness * 0x7fff) >> REDUCE_LOUDNESS;
   }
 
   if (fabs(tl) < 1.0e-10) tl = 0.0f; //anti-denormal