Rotary encoder

AudioThread.cpp

@@ -17,12 +17,6 @@ const int16_t AMPLITUDE = 16383; // Use a lower amplitude to avoid clipping (max
 I2S i2s(OUTPUT);
 
 // --- Synthesizer State ---
-// Frequencies for a C-Major scale to pick from
-const float NOTE_FREQUENCIES[] = {
-  261.63, 293.66, 329.63, 349.23, 392.00, 440.00, 493.88, 523.25
-};
-const int NUM_NOTES = sizeof(NOTE_FREQUENCIES) / sizeof(NOTE_FREQUENCIES[0]);
-
 float currentFrequency = 440.0f;
 double phase = 0.0;
 unsigned long lastNoteChangeTime = 0;
@@ -50,8 +44,8 @@ void loopAudio() {
   // Every 500ms, pick a new random note to play
   if (now - lastNoteChangeTime > 500) {
     lastNoteChangeTime = now;
-    int noteIndex = random(0, NUM_NOTES);
-    currentFrequency = NOTE_FREQUENCIES[noteIndex];
+    int noteIndex = random(0, SCALES[currentScaleIndex].numNotes);
+    currentFrequency = SCALES[currentScaleIndex].frequencies[noteIndex];
     Serial.println("Playing note: " + String(currentFrequency) + " Hz");
   }