fixed compilation for non-I2C_DISPLAY build

MicroDexed.ino

@@ -49,6 +49,8 @@ Bounce but[2] = {Bounce(BUT_L_PIN, BUT_DEBOUNCE_MS), Bounce(BUT_R_PIN, BUT_DEBOU
 elapsedMillis master_timer;
 uint8_t ui_state = UI_MAIN;
 uint8_t ui_main_state = UI_MAIN_VOICE;
+#else
+float mapfloat(float val, float in_min, float in_max, float out_min, float out_max);
 #endif
 
 AudioPlayQueue           queue1;
@@ -407,8 +409,9 @@ void loop()
   if (master_timer >= TIMER_UI_HANDLING_MS)
   {
     master_timer -= TIMER_UI_HANDLING_MS;
-
+#ifdef I2C_DISPLAY
     handle_ui();
+#endif
   }
 #endif
 
@@ -456,7 +459,9 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
         if (inValue < MAX_BANKS)
         {
           configuration.bank = inValue;
+#ifdef I2C_DISPLAY
           handle_ui();
+#endif
         }
         break;
       case 1:
@@ -496,27 +501,37 @@ void handleControlChange(byte inChannel, byte inCtrl, byte inValue)
       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;
+#ifdef I2C_DISPLAY
         handle_ui();
+#endif
         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;
+#ifdef I2C_DISPLAY
         handle_ui();
+#endif
         break;
       case 105:  // CC 105: delay time
         effect_delay_time = map(inValue, 0, 127, 0, ENC_DELAY_TIME_STEPS);
         delay1.delay(0, mapfloat(effect_delay_time, 0, ENC_DELAY_TIME_STEPS, 0.0, DELAY_MAX_TIME));
+#ifdef I2C_DISPLAY
         handle_ui();
+#endif
         break;
       case 106:  // CC 106: delay feedback
         effect_delay_feedback = map(inValue, 0, 127, 0, ENC_DELAY_FB_STEPS);
         mixer1.gain(1, mapfloat(float(effect_delay_feedback), 0, ENC_DELAY_FB_STEPS, 0.0, 1.0));
+#ifdef I2C_DISPLAY
         handle_ui();
+#endif
         break;
       case 107:  // CC 107: delay volume
         effect_delay_volume = map(inValue, 0, 127, 0, ENC_DELAY_VOLUME_STEPS);
         mixer2.gain(1, mapfloat(effect_delay_volume, 0, ENC_DELAY_VOLUME_STEPS, 0.0, 1.0)); // delay tap1 signal (with added feedback)
+#ifdef I2C_DISPLAY
         handle_ui();
+#endif
         break;
       case 120:
         dexed->panic();
@@ -553,7 +568,9 @@ void handleProgramChange(byte inChannel, byte inProgram)
   if (inProgram < MAX_VOICES)
   {
     load_sysex(configuration.bank, inProgram);
+#ifdef I2C_DISPLAY
     handle_ui();
+#endif
   }
 }
 

UI.cpp

@@ -583,9 +583,10 @@ void ui_show_effects_delay(void)
 
   ui_state = UI_EFFECTS_DELAY;
 }
+#endif
 
 float mapfloat(float val, float in_min, float in_max, float out_min, float out_max)
 {
   return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
 }
-#endif
+