/* Custom Melody
 
 Plays a custom melody 
 
 circuit:
 * 8-ohm speaker on digital pin 9
 
This  code is based on following sketch:
 
 http://arduino.cc/en/Tutorial/Tone
 
 (by Tom Igoe )
 
 */
 #include "pitches.h"

// notes in the melody:
int melody[] = { NOTE_C4,0,NOTE_D4,0,NOTE_F4,0,
                 NOTE_D4,0,NOTE_F4,0,NOTE_G4,0,
                 NOTE_F4,0,NOTE_G4,0, NOTE_A4,0,
                 NOTE_G4,0,NOTE_A4,0, NOTE_B4,0,
                 NOTE_A4,0,NOTE_B4,0, NOTE_C5,0};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = { 8,8,8,8,8,4,
                        8,8,8,8,8,4,
                        8,8,8,8,8,4,
                        8,8,8,8,8,4,
                        8,8,8,8,8,4};

void setup() {
  // iterate over the notes of the melody:
  for (int thisNote = 0; thisNote < 30; thisNote++) {

    // to calculate the note duration, take one second 
    // divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1000/noteDurations[thisNote];
    tone(9, melody[thisNote],noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    // stop the tone playing:
    noTone(9);
  }
}

void loop() {
  // no need to repeat the melody.
}