Global _loadness as float.

Added function for resetting piano voices.
Using max_poly for maximum voices.

MicroMDAEPiano.ino

@@ -127,10 +127,13 @@ config_t configuration = {
   ENC_EQ_TREBLE_DEFAULT,      //  eq_treble
   ENC_LOUDNESS_DEFAULT,       //  loudness
   ENC_MIDI_CHANNEL_DEFAULT,   //  midi_channel
-  ENC_MIDI_CHANNEL_DEFAULT,   //  midi_soft_thru
-  ENC_MAX_POLY_DEFAULT        //  max_poly
+  ENC_MIDI_SOFT_THRU_DEFAULT,   //  midi_soft_thru
+  ENC_MAX_POLY_DEFAULT,        //  max_poly
+  0                         //  pan
 };
 
+float _loudness=mapfloat(float(ENC_LOUDNESS_DEFAULT), ENC_LOUDNESS_MIN, ENC_LOUDNESS_MAX, 0.0, 1.0);
+
 bool eeprom_update_flag = false;
 #ifdef SHOW_CPU_LOAD_MSEC
 elapsedMillis cpu_mem_millis;
@@ -450,11 +453,11 @@ bool checkMidiChannel(byte inChannel)
 
 void set_master_volume(uint8_t value)
 {
+  configuration.pan=0; // BAD HACK!
   uint16_t tmp = map(value, ENC_MASTER_VOLUME_MIN, ENC_MASTER_VOLUME_MAX, 0, 0x3ff);
   float tmp2 = mapfloat(configuration.pan, ENC_MASTER_PAN_MIN, ENC_MASTER_PAN_MAX, 0.0, 1.0);
   float tmp3 = (float)(tmp * (tmp + 2)) / (float)(1 << 20);
 #ifdef DEBUG
-  Serial.print(tmp, DEC);
   Serial.print(F("Setting volume: VOL="));
   Serial.print(value, DEC);
   Serial.print(F("["));

UI.hpp

@@ -101,6 +101,7 @@ extern AudioMixer4 mixer_r;
 extern AudioMixer4 mixer_l;
 extern AudioAmplifier volume_r;
 extern AudioAmplifier volume_l;
+extern float _loudness;
 
 /******************************************
    TEXT GETTER FUCTIONS
@@ -158,10 +159,10 @@ char* get_comp_limit_value_text(void)
 {
   switch (configuration.comp_limit)
   {
-    case 0:
+    case false:
       return (comp_limit_value_text1);
       break;
-    case 1:
+    case true:
       return (comp_limit_value_text2);
       break;
   }
@@ -1937,7 +1938,7 @@ void set_loudness(uint8_t value)
   Serial.print(F("Set LOUDNESS "));
   Serial.println(value);
 #endif
-  configuration._loudness = mapfloat(float(value), ENC_LOUDNESS_MIN, ENC_LOUDNESS_MAX, 0.0, 1.0);
+  _loudness = mapfloat(float(value), ENC_LOUDNESS_MIN, ENC_LOUDNESS_MAX, 0.0, 1.0);
   //volume_r.gain(tmp);
   //volume_l.gain(tmp);
   configuration.loudness = value;
@@ -1968,6 +1969,7 @@ void set_max_poly(uint8_t value)
   Serial.println(value);
 #endif
   configuration.max_poly = value;
+  ep->reset_voices();
 }
 
 void set_complete_configuration(void)

config.h

@@ -261,8 +261,8 @@
 #define ENC_MIDI_SOFT_THRU_DEFAULT 1
 //
 #define ENC_MAX_POLY_MIN 1
-#define ENC_MAX_POLY_MAX 32
-#define ENC_MAX_POLY_DEFAULT 32
+#define ENC_MAX_POLY_MAX NVOICES
+#define ENC_MAX_POLY_DEFAULT NVOICES
 //
 #define ENC_MASTER_VOLUME_MIN 0
 #define ENC_MASTER_VOLUME_MAX 99
@@ -323,7 +323,7 @@ struct config_t {
   uint8_t overdrive;
   uint8_t comp_gain;
   uint8_t comp_response;
-  uint8_t comp_limit;
+  bool comp_limit;
   uint8_t comp_threshold;
   uint8_t comp_attack;
   uint8_t comp_decay;
@@ -338,9 +338,8 @@ 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;
+  bool midi_soft_thru;
   uint8_t max_poly;
   int8_t pan;
 };

mdaEPiano.cpp

@@ -29,6 +29,8 @@
 #include <stdio.h>
 #include <math.h>
 
+extern float _loudness;
+
 mdaEPiano::mdaEPiano() // mdaEPiano::mdaEPiano(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, NPROGS, NPARAMS)
 {
   Fs = SAMPLE_RATE;  iFs = 1.0f / Fs; //just in case...
@@ -98,6 +100,12 @@ mdaEPiano::mdaEPiano() // mdaEPiano::mdaEPiano(audioMasterCallback audioMaster)
   kgrp[31].pos = 406046;  kgrp[31].end = 414486;  kgrp[31].loop = 2306; //ghost
   kgrp[32].pos = 414487;  kgrp[32].end = 422408;  kgrp[32].loop = 2169;
 
+  //initialise...
+  reset_voices();
+}
+
+void mdaEPiano::reset_voices(void)  // reset all voices
+{
   //initialise...
   for (int32_t v = 0; v < NVOICES; v++)
   {
@@ -116,7 +124,6 @@ mdaEPiano::mdaEPiano() // mdaEPiano::mdaEPiano(audioMasterCallback audioMaster)
   update();
   // suspend();
 }
-
 void mdaEPiano::update()  //parameter change
 {
   float * param = programs[curProgram].param;
@@ -240,8 +247,8 @@ 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_r[frame] = static_cast<int16_t>(r * configuration._loudness * 0x7fff) >> REDUCE_LOUDNESS;
+    outputs_l[frame] = static_cast<int16_t>(l * _loudness * 0x7fff) >> REDUCE_LOUDNESS;
+    outputs_r[frame] = static_cast<int16_t>(r * _loudness * 0x7fff) >> REDUCE_LOUDNESS;
   }
 
   if (fabs(tl) < 1.0e-10) tl = 0.0f; //anti-denormal
@@ -260,7 +267,7 @@ void mdaEPiano::noteOn(int32_t note, int32_t velocity)
 
   if (velocity > 0)
   {
-    if (activevoices < NVOICES) //add a note
+    if (activevoices < configuration.max_poly) //add a note
     {
       vl = activevoices;
       activevoices++;
@@ -268,7 +275,7 @@ void mdaEPiano::noteOn(int32_t note, int32_t velocity)
     }
     else //steal a note
     {
-      for (v = 0; v < NVOICES; v++) //find quietest voice
+      for (v = 0; v < configuration.max_poly; v++) //find quietest voice
       {
         if (voice[v].env < l) {
           l = voice[v].env;
@@ -318,7 +325,7 @@ void mdaEPiano::noteOn(int32_t note, int32_t velocity)
   }
   else //note off
   {
-    for (v = 0; v < NVOICES; v++) if (voice[v].note == note) //any voices playing that note?
+    for (v = 0; v < configuration.max_poly; v++) if (voice[v].note == note) //any voices playing that note?
       {
         if (sustain == 0)
         {
@@ -360,7 +367,7 @@ bool mdaEPiano::processMidiController(uint8_t data1, uint8_t data2)
     default:  //all notes off
       if (data1 > 0x7A)
       {
-        for (int32_t v = 0; v < NVOICES; v++) voice[v].dec = 0.99f;
+        for (int32_t v = 0; v < configuration.max_poly; v++) voice[v].dec = 0.99f;
         sustain = 0;
         muff = 160.0f;
       }

mdaEPiano.h

@@ -87,6 +87,7 @@ class mdaEPiano
     virtual void setParameter(int32_t index, float value);
     virtual float getParameter(int32_t index);
     virtual void resume();
+    void reset_voices(void);
 
     int32_t guiUpdate;
     void guiGetDisplay(int32_t index, char *label);