Oscillator selects and examples

Made it possible to select type and number of oscillators to compile (via preprocessor). Made Examples folder to library where tutorials will go in.
2013-01-23 19:29:10 +01:00
parent e1a7320aa6
commit 642b4973ca
14 changed files with 717 additions and 47 deletions
@@ -0,0 +1,68 @@
+
+// This needs to be in all sketches at the moment
+#include <stdint.h>
+
+// The Music and Midi objects are automatically instantiated when the header file is included.
+// Make calls to the Music and Midi objects with "Music.function(args)" and "Midi.function(args)"
+// You still need to call Music.init() and Midi.init() in the setup() function below.
+#include <Music.h>
+
+// variables for this sketch
+boolean noteIsOn = false;
+int n = 0;
+int dir = 1;
+int rootNote = 26;
+int note[] = {0,2,3,5,7,9,10,12,14};
+
+long time = 0;
+long lastTime = 0;
+long beatTime = 80;
+
+
+void setup() {
+
+  // We initialise the sound engine by calling Music.init() which outputs a tone
+  Music.init();
+  
+  // Choosing the square wave oscillator.
+  Music.setWaveform(1);
+  
+  // Detuning the three oscillators slightly to create movement in the sound.
+  Music.setDetune(0.008);  
+    
+  // enabling the envelope lets us define an gain envelope for the synth
+  // without having to specify it in our loop() or physics code.
+  Music.enableEnvelope();
+  Music.setAttack(8);
+  Music.setDecay(90);
+  Music.setSustain(48);
+  Music.setRelease(64);
+  
+}
+
+void loop() {
+  
+  // This short routine loops note over and over again
+  time = millis();
+  if(time - lastTime > beatTime) {
+    if(!noteIsOn) {
+      Music.noteOn(rootNote+note[n]);
+      noteIsOn = true;
+      n = n + dir;
+      if(n > 7)
+      {
+        dir = -1;
+      }
+      else if(n < 1)
+      {
+        dir = 1;
+      }
+    } else {
+      Music.noteOff();
+      noteIsOn = false;
+    }
+    lastTime = time;
+  }
+
+}
+