Small fixes.

UI.cpp

@@ -292,11 +292,12 @@ void handle_ui(void)
               switch (ui_main_state)
               {
                 case UI_MAIN_FILTER_FRQ:
-/*                  if (enc[i].read() <= 0)
+                  if (enc[i].read() <= 0)
                     enc[i].write(0);
                   else if (enc[i].read() > ENC_FILTER_FRQ_STEPS)
                     enc[i].write(ENC_FILTER_FRQ_STEPS);
                   effect_filter_frq = enc[i].read();
+                  /*
                     if (effect_filter_frq == ENC_FILTER_FRQ_STEPS)
                     {
                     // turn "off" filter
@@ -317,11 +318,12 @@ void handle_ui(void)
                   */
                   break;
                 case UI_MAIN_FILTER_RES:
-/*                  if (enc[i].read() <= 0)
+                  if (enc[i].read() <= 0)
                     enc[i].write(0);
                   else if (enc[i].read() > ENC_FILTER_RES_STEPS)
                     enc[i].write(ENC_FILTER_RES_STEPS);
                   effect_filter_resonance = enc[i].read();
+                  /*
                     //filter1.resonance(mapfloat(effect_filter_resonance, 0, ENC_FILTER_RES_STEPS, 0.7, 5.0));
                     filter1.resonance(EXP_FUNC(mapfloat(effect_filter_resonance, 0, ENC_FILTER_RES_STEPS, 0.7, 5.0)) * 0.044 + 0.61);
 
@@ -332,11 +334,12 @@ void handle_ui(void)
                   */
                   break;
                 case UI_MAIN_FILTER_OCT:
-/*                  if (enc[i].read() <= 0)
+                  if (enc[i].read() <= 0)
                     enc[i].write(0);
                   else if (enc[i].read() > ENC_FILTER_OCT_STEPS)
                     enc[i].write(ENC_FILTER_OCT_STEPS);
                   effect_filter_octave = enc[i].read();
+                  /*
                     filter1.octaveControl(mapfloat(effect_filter_octave, 0, ENC_FILTER_OCT_STEPS, 0.0, 7.0));
                     #ifdef DEBUG
                     Serial.print(F("Setting filter octave control to: "));

dexed.cpp

@@ -152,7 +152,7 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
           int32_t clip_val = val < -(1 << 24) ? 0x8000 : val >= (1 << 24) ? 0x7fff : val >> 9;
 #endif
 
-          float f = static_cast<float>(clip_val >> REDUCE_LOUDNESS) / 0x8000;
+          float f = static_cast<float>(clip_val >> REDUCE_LOUDNESS) / 0x7fff;
           if (f > 1.0)
           {
             f = 1.0;
@@ -173,7 +173,7 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
   fx.process(sumbuf, n_samples);
 
   for (i = 0; i < n_samples; ++i)
-    buffer[i] = static_cast<int16_t>(sumbuf[i] * 0x8000);
+    buffer[i] = static_cast<int16_t>(sumbuf[i] * 0x7fff);
 }
 
 void Dexed::keydown(uint8_t pitch, uint8_t velo) {