New class for softening values from encoders.

Started implemting multi engine support.
6 years ago · 0764e99395
parent a8fc72be3c
commit 0764e99395
5 changed files with 252 additions and 114 deletions
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@ -37,8 +37,9 @@
 #include "dexed_sysex.h"
 #include "effect_modulated_delay.h"
 #include "PluginFx.h"
+#include "SoftenValue.hpp"

-AudioPlayQueue           dexed1;
+AudioPlayQueue           queue1;
 AudioAnalyzePeak         peak1;
 AudioEffectDelay         delay1;
 #ifdef USE_REVERB
@ -59,15 +60,15 @@ AudioAmplifier           volume_l;
 #ifdef MIDI_DEVICE_USB
 AudioOutputUSB           usb1;
 #endif
-AudioConnection          patchCord0(dexed1, peak1);
-AudioConnection          patchCord1(dexed1, 0, chorus_mixer, 0);
-AudioConnection          patchCord3(dexed1, 0, delay_mixer, 0);
-AudioConnection          patchCord4(dexed1, 0, delay_fb_mixer, 0);
+AudioConnection          patchCord0(queue1, peak1);
+AudioConnection          patchCord1(queue1, 0, chorus_mixer, 0);
+AudioConnection          patchCord3(queue1, 0, delay_mixer, 0);
+AudioConnection          patchCord4(queue1, 0, delay_fb_mixer, 0);
 #ifdef USE_REVERB
-AudioConnection          patchCord5(dexed1, 0, reverb_mixer_r, 0);
-AudioConnection          patchCord6(dexed1, 0, reverb_mixer_l, 0);
+AudioConnection          patchCord5(queue1, 0, reverb_mixer_r, 0);
+AudioConnection          patchCord6(queue1, 0, reverb_mixer_l, 0);
 #endif
-AudioConnection          patchCord7(dexed1, 0, modchorus, 0);
+AudioConnection          patchCord7(queue1, 0, modchorus, 0);
 AudioConnection          patchCord8(modulator, 0, modchorus, 1);
 #if MOD_FILTER_OUTPUT != MOD_NO_FILTER_OUTPUT
 AudioConnection          patchCord9(modchorus, modchorus_filter);
@ -112,7 +113,8 @@ AudioConnection          patchCord29(volume_r, 0, pt8211_1, 0);
 AudioConnection          patchCord30(volume_l, 0, pt8211_1, 1);
 #endif

-Dexed* dexed = new Dexed(SAMPLE_RATE);
+Dexed* MicroDexed[NUM_DEXED];
+
 bool sd_card_available = false;
 uint32_t xrun = 0;
 uint32_t overload = 0;
@ -128,6 +130,9 @@ uint8_t midi_timing_counter = 0; // 24 per qarter
 elapsedMillis midi_timing_timestep;
 uint16_t midi_timing_quarter = 0;
 elapsedMillis long_button_pressed;
+//SoftenValue <uint8_t> effect_filter_volume[NUM_DEXED](SOFTEN_VALUE_CHANGE_STEPS);
+//SoftenValue <uint8_t> soften_filter_res[NUM_DEXED](SOFTEN_VALUE_CHANGE_STEPS);
+//SoftenValue <uint8_t> soften_filter_cut[NUM_DEXED](SOFTEN_VALUE_CHANGE_STEPS);
 uint8_t effect_filter_cutoff = 0;
 uint8_t effect_filter_resonance = 0;
 uint8_t effect_delay_time = 0;
@ -193,6 +198,13 @@ void setup()
  Serial.println(F("NO LCD DISPLAY ENABLED!"));
 #endif

+  for (uint8_t i = 0; i < NUM_DEXED; i++)
+  {
+    Serial.print(F("Creating MicroDexed engine "));
+    Serial.println(i, DEC);
+    MicroDexed[i] = new Dexed(SAMPLE_RATE);
+  }
+
  delay(220);

  Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
@ -334,9 +346,12 @@ void setup()
  reverb_mixer_r.gain(1, 0.0);
  reverb_mixer_l.gain(1, 0.0);

-  dexed->fx.Gain =  1.0;
-  dexed->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
-  dexed->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
+  for (uint8_t i = 0; i < NUM_DEXED; i++)
+  {
+    MicroDexed[i]->fx.Gain =  1.0;
+    MicroDexed[i]->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
+    MicroDexed[i]->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
+  }

  // set initial volume and pan (read from EEPROM)
  set_volume(configuration.vol, configuration.pan);
@ -379,14 +394,17 @@ void loop()
  while (42 == 42)
  {
    // Main sound calculation
-    if (dexed1.available() && fill_audio_buffer > audio_block_time_us - 10)
+    if (queue1.available() && fill_audio_buffer > audio_block_time_us - 10)
    {
      fill_audio_buffer = 0;

-      audio_buffer = dexed1.getBuffer();
+      audio_buffer = queue1.getBuffer();

      elapsedMicros t1;
-      dexed->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer);
+      for (uint8_t i = 0; i < NUM_DEXED; i++)
+      {
+        MicroDexed[i]->getSamples(AUDIO_BLOCK_SAMPLES, audio_buffer);
+      }
      if (t1 > audio_block_time_us) // everything greater 2.9ms is a buffer underrun!
        xrun++;
      if (t1 > render_time_max)
@ -400,7 +418,7 @@ void loop()
      for (uint8_t i = 0; i < AUDIO_BLOCK_SAMPLES; i++)
        audio_buffer[i] *= configuration.vol;
 #endif
-      dexed1.playBuffer();
+      queue1.playBuffer();
    }

    // EEPROM update handling
@ -430,7 +448,10 @@ void loop()
      control_rate = 0;

      // Shutdown unused voices
-      active_voices = dexed->getNumNotesPlaying();
+      for (uint8_t i = 0; i < NUM_DEXED; i++)
+      {
+        active_voices = MicroDexed[i]->getNumNotesPlaying();
+      }

      // check for value changes
      if (soften_volume.steps > 0)
@ -451,24 +472,30 @@ void loop()
      {
        // soften filter resonance value
        soften_filter_res.steps--;
-        dexed->fx.Reso = dexed->fx.Reso + soften_filter_res.diff;
+        for (uint8_t i = 0; i < NUM_DEXED; i++)
+        {
+          MicroDexed[i]->fx.Reso = MicroDexed[i]->fx.Reso + soften_filter_res.diff;
+
 #ifdef DEBUG
          Serial.print(F("Filter-Resonance: "));
-        Serial.print(dexed->fx.Reso, 5);
+          Serial.print(MicroDexed[i]->fx.Reso, 5);
          Serial.print(F(" Filter-Resonance step: "));
          Serial.print(soften_filter_res.steps);
          Serial.print(F(" Filter-Resonance diff: "));
          Serial.println(soften_filter_res.diff, 5);
 #endif
        }
+      }
      if (soften_filter_cut.steps > 0)
      {
        // soften filter cutoff value
        soften_filter_cut.steps--;
-        dexed->fx.Cutoff = dexed->fx.Cutoff + soften_filter_cut.diff;
+        for (uint8_t i = 0; i < NUM_DEXED; i++)
+        {
+          MicroDexed[i]->fx.Cutoff = MicroDexed[i]->fx.Cutoff + soften_filter_cut.diff;
 #ifdef DEBUG
          Serial.print(F("Filter-Cutoff: "));
-        Serial.print(dexed->fx.Cutoff, 5);
+          Serial.print(MicroDexed[i]->fx.Cutoff, 5);
          Serial.print(F(" Filter-Cutoff step: "));
          Serial.print(soften_filter_cut.steps);
          Serial.print(F(" Filter-Cutoff diff: "));
@ -476,6 +503,7 @@ void loop()
 #endif
        }
      }
+    }

 #if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
    if (cpu_mem_millis >= SHOW_CPU_LOAD_MSEC)
@ -494,7 +522,7 @@ void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
 {
  if (checkMidiChannel(inChannel))
  {
-    dexed->keydown(inNumber, inVelocity);
+    MicroDexed[0]->keydown(inNumber, inVelocity);
  }
 }

@ -502,7 +530,7 @@ void handleNoteOff(byte inChannel, byte inNumber, byte inVelocity)
 {
  if (checkMidiChannel(inChannel))
  {
-    dexed->keyup(inNumber);
+    MicroDexed[0]->keyup(inNumber);
  }
 }

@ -525,16 +553,16 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
        }
        break;
      case 1:
-        dexed->controllers.modwheel_cc = inValue;
-        dexed->controllers.refresh();
+        MicroDexed[0]->controllers.modwheel_cc = inValue;
+        MicroDexed[0]->controllers.refresh();
        break;
      case 2:
-        dexed->controllers.breath_cc = inValue;
-        dexed->controllers.refresh();
+        MicroDexed[0]->controllers.breath_cc = inValue;
+        MicroDexed[0]->controllers.refresh();
        break;
      case 4:
-        dexed->controllers.foot_cc = inValue;
-        dexed->controllers.refresh();
+        MicroDexed[0]->controllers.foot_cc = inValue;
+        MicroDexed[0]->controllers.refresh();
        break;
      case 7: // Volume
        configuration.vol = float(inValue) / 0x7f;
@ -548,23 +576,23 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
        configuration.bank = inValue;
        break;
      case 64:
-        dexed->setSustain(inValue > 63);
-        if (!dexed->getSustain()) {
-          for (uint8_t note = 0; note < dexed->getMaxNotes(); note++) {
-            if (dexed->voices[note].sustained && !dexed->voices[note].keydown) {
-              dexed->voices[note].dx7_note->keyup();
-              dexed->voices[note].sustained = false;
+        MicroDexed[0]->setSustain(inValue > 63);
+        if (!MicroDexed[0]->getSustain()) {
+          for (uint8_t note = 0; note < MicroDexed[0]->getMaxNotes(); note++) {
+            if (MicroDexed[0]->voices[note].sustained && !MicroDexed[0]->voices[note].keydown) {
+              MicroDexed[0]->voices[note].dx7_note->keyup();
+              MicroDexed[0]->voices[note].sustained = false;
            }
          }
        }
        break;
      case 103:  // CC 103: filter resonance
        effect_filter_resonance = map(inValue, 0, 127, 0, ENC_FILTER_RES_STEPS);
-        dexed->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
+        MicroDexed[0]->fx.Reso = 1.0 - float(effect_filter_resonance) / ENC_FILTER_RES_STEPS;
        break;
      case 104:  // CC 104: filter cutoff
        effect_filter_cutoff = map(inValue, 0, 127, 0, ENC_FILTER_CUT_STEPS);
-        dexed->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
+        MicroDexed[0]->fx.Cutoff = 1.0 - float(effect_filter_cutoff) / ENC_FILTER_CUT_STEPS;
        break;
      case 105:  // CC 105: delay time
        effect_delay_time = map(inValue, 0, 127, 0, ENC_DELAY_TIME_STEPS);
@ -579,19 +607,19 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
        ////delay_mixer_l.gain(1, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // delay tap1 signal (with added feedback)
        break;
      case 120:
-        dexed->panic();
+        MicroDexed[0]->panic();
        break;
      case 121:
-        dexed->resetControllers();
+        MicroDexed[0]->resetControllers();
        break;
      case 123:
-        dexed->notesOff();
+        MicroDexed[0]->notesOff();
        break;
      case 126:
-        dexed->setMonoMode(true);
+        MicroDexed[0]->setMonoMode(true);
        break;
      case 127:
-        dexed->setMonoMode(false);
+        MicroDexed[0]->setMonoMode(false);
        break;
    }
  }
@ -599,13 +627,13 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)

 void handleAfterTouch(byte inChannel, byte inPressure)
 {
-  dexed->controllers.aftertouch_cc = inPressure;
-  dexed->controllers.refresh();
+  MicroDexed[0]->controllers.aftertouch_cc = inPressure;
+  MicroDexed[0]->controllers.refresh();
 }

 void handlePitchBend(byte inChannel, int inPitch)
 {
-  dexed->controllers.values_[kControllerPitch] = inPitch + 0x2000; // -8192 to +8191 --> 0 to 16383
+  MicroDexed[0]->controllers.values_[kControllerPitch] = inPitch + 0x2000; // -8192 to +8191 --> 0 to 16383
 }

 void handleProgramChange(byte inChannel, byte inProgram)
@ -695,26 +723,26 @@ void handleSystemExclusive(byte * sysex, uint len)

    if (((sysex[3] & 0x7c) >> 2) == 0)
    {
-      dexed->notesOff();
-      dexed->data[sysex[4] + ((sysex[3] & 0x03) * 128)] = sysex[5]; // set parameter
-      dexed->doRefreshVoice();
+      MicroDexed[0]->notesOff();
+      MicroDexed[0]->data[sysex[4] + ((sysex[3] & 0x03) * 128)] = sysex[5]; // set parameter
+      MicroDexed[0]->doRefreshVoice();
      data_index = sysex[4] + ((sysex[3] & 0x03) * 128);
    }
    else
    {
-      dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4]] = sysex[5]; // set function parameter
-      dexed->controllers.values_[kControllerPitchRange] = dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE];
-      dexed->controllers.values_[kControllerPitchStep] = dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP];
-      dexed->controllers.wheel.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE]);
-      dexed->controllers.wheel.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN]);
-      dexed->controllers.foot.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE]);
-      dexed->controllers.foot.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN]);
-      dexed->controllers.breath.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE]);
-      dexed->controllers.breath.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN]);
-      dexed->controllers.at.setRange(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE]);
-      dexed->controllers.at.setTarget(dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN]);
-      dexed->controllers.masterTune = (dexed->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] * 0x4000 << 11) * (1.0 / 12);
-      dexed->controllers.refresh();
+      MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4]] = sysex[5]; // set function parameter
+      MicroDexed[0]->controllers.values_[kControllerPitchRange] = MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE];
+      MicroDexed[0]->controllers.values_[kControllerPitchStep] = MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP];
+      MicroDexed[0]->controllers.wheel.setRange(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE]);
+      MicroDexed[0]->controllers.wheel.setTarget(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN]);
+      MicroDexed[0]->controllers.foot.setRange(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE]);
+      MicroDexed[0]->controllers.foot.setTarget(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN]);
+      MicroDexed[0]->controllers.breath.setRange(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE]);
+      MicroDexed[0]->controllers.breath.setTarget(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN]);
+      MicroDexed[0]->controllers.at.setRange(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE]);
+      MicroDexed[0]->controllers.at.setTarget(MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN]);
+      MicroDexed[0]->controllers.masterTune = (MicroDexed[0]->data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] * 0x4000 << 11) * (1.0 / 12);
+      MicroDexed[0]->controllers.refresh();
      data_index = DEXED_GLOBAL_PARAMETER_OFFSET - 63 + sysex[4];
    }
 #ifdef DEBUG
@ -783,8 +811,8 @@ void handleSystemExclusive(byte * sysex, uint len)
    }

    // load sysex-data into voice memory
-    dexed->loadVoiceParameters(&sysex[6]);
-    //dexed->initGlobalParameters();
+    MicroDexed[0]->loadVoiceParameters(&sysex[6]);
+    //MicroDexed[0]->initGlobalParameters();

    // manipulate UI names and numbers
    strncpy(voice_name, (char *)&sysex[151], sizeof(voice_name) - 1);
@ -862,9 +890,9 @@ void handleSystemReset(void)
 #ifdef DEBUG
  Serial.println(F("MIDI SYSEX RESET"));
 #endif
-  dexed->notesOff();
-  dexed->panic();
-  dexed->resetControllers();
+  MicroDexed[0]->notesOff();
+  MicroDexed[0]->panic();
+  MicroDexed[0]->resetControllers();
 }

 /******************************************************************************
@ -901,7 +929,7 @@ void set_volume(float v, float p)
  configuration.vol = v;
  configuration.pan = p;

-  dexed->fx.Gain = v;
+  MicroDexed[0]->fx.Gain = v;

  uint16_t tmp = v * 1023.0 + 0.5;
  float tmp2 = configuration.pan;
@ -1061,81 +1089,81 @@ void show_patch(void)
    Serial.print(6 - i, DEC);
    Serial.println(F(": "));
    Serial.println(F("R1 | R2 | R3 | R4 | L1 | L2 | L3 | L4 LEV_SCL_BRK_PT | SCL_LEFT_DEPTH | SCL_RGHT_DEPTH"));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R1], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_R1], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R2], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_R2], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R3], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_R3], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_R4], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_R4], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L1], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_L1], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L2], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_L2], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L3], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_L3], DEC);
    Serial.print(F(" "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_EG_L4], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_EG_L4], DEC);
    Serial.print(F("        "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_LEV_SCL_BRK_PT], DEC);
    Serial.print(F("             "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_SCL_LEFT_DEPTH], DEC);
    Serial.print(F("             "));
-    Serial.println(dexed->data[(i * 21) + DEXED_OP_SCL_RGHT_DEPTH], DEC);
+    Serial.println(MicroDexed[0]->data[(i * 21) + DEXED_OP_SCL_RGHT_DEPTH], DEC);
    Serial.println(F("SCL_L_CURVE | SCL_R_CURVE | RT_SCALE | AMS | KVS | OUT_LEV | OP_MOD | FRQ_C | FRQ_F | DETUNE"));
    Serial.print(F("      "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_SCL_LEFT_CURVE], DEC);
    Serial.print(F("         "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_SCL_RGHT_CURVE], DEC);
    Serial.print(F("         "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_OSC_RATE_SCALE], DEC);
    Serial.print(F("        "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_AMP_MOD_SENS], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_AMP_MOD_SENS], DEC);
    Serial.print(F("     "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_KEY_VEL_SENS], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_KEY_VEL_SENS], DEC);
    Serial.print(F("      "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_OUTPUT_LEV], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_OUTPUT_LEV], DEC);
    Serial.print(F("      "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_OSC_MODE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_OSC_MODE], DEC);
    Serial.print(F("    "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_COARSE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_FREQ_COARSE], DEC);
    Serial.print(F("     "));
-    Serial.print(dexed->data[(i * 21) + DEXED_OP_FREQ_FINE], DEC);
+    Serial.print(MicroDexed[0]->data[(i * 21) + DEXED_OP_FREQ_FINE], DEC);
    Serial.print(F("     "));
-    Serial.println(dexed->data[(i * 21) + DEXED_OP_OSC_DETUNE], DEC);
+    Serial.println(MicroDexed[0]->data[(i * 21) + DEXED_OP_OSC_DETUNE], DEC);
  }
  Serial.println(F("PR1 | PR2 | PR3 | PR4 | PL1 | PL2 | PL3 | PL4"));
  Serial.print(F(" "));
  for (i = 0; i < 8; i++)
  {
-    Serial.print(dexed->data[DEXED_VOICE_OFFSET + i], DEC);
+    Serial.print(MicroDexed[0]->data[DEXED_VOICE_OFFSET + i], DEC);
    Serial.print(F("  "));
  }
  Serial.println();
  Serial.print(F("ALG: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_ALGORITHM], DEC);
  Serial.print(F("FB: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_FEEDBACK], DEC);
  Serial.print(F("OKS: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_OSC_KEY_SYNC], DEC);
  Serial.print(F("LFO SPD: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SPEED], DEC);
  Serial.print(F("LFO_DLY: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_DELAY], DEC);
  Serial.print(F("LFO PMD: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_DEP], DEC);
  Serial.print(F("LFO_AMD: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_AMP_MOD_DEP], DEC);
  Serial.print(F("LFO_SYNC: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_SYNC], DEC);
  Serial.print(F("LFO_WAVEFRM: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_WAVE], DEC);
  Serial.print(F("LFO_PMS: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_LFO_PITCH_MOD_SENS], DEC);
  Serial.print(F("TRNSPSE: "));
-  Serial.println(dexed->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE], DEC);
+  Serial.println(MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_TRANSPOSE], DEC);
  Serial.print(F("NAME: "));
-  strncpy(voicename, (char *)&dexed->data[DEXED_VOICE_OFFSET + DEXED_NAME], sizeof(voicename) - 1);
+  strncpy(voicename, (char *)&MicroDexed[0]->data[DEXED_VOICE_OFFSET + DEXED_NAME], sizeof(voicename) - 1);
  Serial.print(F("["));
  Serial.print(voicename);
  Serial.println(F("]"));
@ -1143,7 +1171,7 @@ void show_patch(void)
  {
    Serial.print(i, DEC);
    Serial.print(F(": "));
-    Serial.println(dexed->data[i]);
+    Serial.println(MicroDexed[0]->data[i]);
  }

  Serial.println();
--- a/SoftenValue.hpp
+++ b/SoftenValue.hpp
@ -0,0 +1,106 @@
+/*
+   MicroDexed
+
+   MicroDexed is a port of the Dexed sound engine
+   (https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6 with audio shield.
+   Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
+
+   (c)2018 H. Wirtz <wirtz@parasitstudio.de>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+*/
+
+#ifndef SOFTEN_VALUE_H_INCLUDED
+
+template <class T>
+class SoftenValue
+{
+  public:
+    SoftenValue(uint16_t steps = 10);
+    SoftenValue(T from, T to, uint16_t steps = 10)
+    {
+      _from = from;
+      _to = to;
+      _steps = steps;
+      _diff = (from - to) / _steps;
+
+      _calculate();
+    }
+
+    void update_to(T to)
+    {
+      _to = to;
+      _calculate();
+    }
+
+    void update_steps(uint16_t steps)
+    {
+      _steps = steps;
+      _calculate();
+    }
+
+    void tick(void)
+    {
+      if (_steps > 0)
+      {
+        _from -= _diff;
+        _steps--;
+      }
+    }
+
+    bool running(void)
+    {
+      if (_steps > 0)
+        return (true);
+      else
+        return (false);
+    }
+
+    uint16_t steps(void)
+    {
+      return (_steps);
+    }
+
+    T value(void)
+    {
+      if (_steps == 0)
+        return (_to);
+
+      if (std::is_same<T, float>::value)
+        return (_from);
+      else
+        return (round(_from));
+    }
+
+  protected:
+    float _from;
+    float _to;
+    uint16_t _steps;
+    float _diff;
+
+    void _calculate(void)
+    {
+      if (_from == _to || _steps <= 0)
+      {
+        _steps = 0;
+        _diff = 0.0;
+      }
+      else
+        _diff = (_from - _to) / _steps;
+    }
+};
+
+#endif
--- a/config.h
+++ b/config.h
@ -177,6 +177,8 @@
 //*************************************************************************************************
 //* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
 //*************************************************************************************************
+#define NUM_DEXED 1
+
 // MIDI
 #ifdef MIDI_DEVICE_USB
 #define USBCON 1
--- a/dexed.cpp
+++ b/dexed.cpp
@ -492,7 +492,7 @@ bool Dexed::loadPackedVoiceParameters(uint8_t* new_data)
  doRefreshVoice();
  //activate();

-  strncpy(voice_name, (char *)&new_data[145], sizeof(voice_name) - 1);
+  strncpy(voice_name, (char *)&new_data[118], sizeof(voice_name) - 1);
  voice_name[10] = '\0';
 #ifdef DEBUG
  Serial.print(F("Voice ["));
--- a/dexed_sysex.cpp
+++ b/dexed_sysex.cpp
@ -31,6 +31,8 @@
 #include "dexed_sysex.h"
 #include "config.h"

+extern Dexed* MicroDexed[NUM_DEXED];
+
 void create_sysex_filename(uint8_t b, char* sysex_file_name)
 {
  // init and set name for actual bank
@ -255,7 +257,7 @@ bool load_sysex(uint8_t b, uint8_t v)
      Serial.print(voice_names[v]);
      Serial.println(F("]"));
 #endif
-      return (dexed->loadPackedVoiceParameters(data));
+      return (MicroDexed[0]->loadPackedVoiceParameters(data));
    }
 #ifdef DEBUG
    else