Create Jingle-bells.ino

Jingle-bells.ino

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+// * Jingle Bells
+// * Original Composition : 
+// * Composed by : 
+// * Coded By - http://www.instructables.com/id/Arduino-Controlled-Flashing-Christmas-Fairy-Lights/step5/Code-for-Jingle-Bells/
+// * Use BSD Clause 2 License for Distribution
+// * Collection by GitHub User @abhishekghosh - https://github.com/AbhishekGhosh/Arduino-Buzzer-Tone-Codes
+
+// TONES  ========================================== // Start by defining the relationship between
+ //       note, period, &  frequency.
+ #define  C     2100
+ #define  D     1870 
+ #define  E     1670
+ #define  f     1580    // Does not seem to like capital F
+ #define  G     1400 
+ // Define a special note, 'R', to represent a rest
+ #define  R     0
+ // SETUP ============================================
+ // Set up speaker on a PWM pin (digital 9, 10 or 11)
+ int speakerOut = 10;
+ // Do we want debugging on serial out? 1 for yes, 0 for no
+ int DEBUG = 1;
+ void setup() {
+   pinMode(speakerOut, OUTPUT);
+   if (DEBUG) {
+     Serial.begin(9600); // Set serial out if we want debugging
+   }
+ }
+ // MELODY and TIMING  =======================================
+ //  melody[] is an array of notes, accompanied by beats[],
+ //  which sets each note's relative length (higher #, longer note)
+ int melody[] = {E, E, E,R,
+ E, E, E,R,
+ E, G, C, D, E, R,
+ f, f, f,f, f, E, E,E, E, D ,D,E, D, R, G ,R,
+ E, E, E,R,
+ E, E, E,R,
+ E, G, C, D, E, R,
+ f, f, f,f, f, E, E, E,  G,G, f, D, C,R };
+ int MAX_COUNT = sizeof(melody) / 2; // Melody length, for looping.
+ // Set overall tempo
+ long tempo = 10000;
+ // Set length of pause between notes
+ int pause = 1000;
+ // Loop variable to increase Rest length
+ int rest_count = 100; //<-BLETCHEROUS HACK; See NOTES
+ // Initialize core variables
+ int tone_ = 0;
+ int beat = 0;
+ long duration  = 0;
+ // PLAY TONE  ==============================================
+ // Pulse the speaker to play a tone for a particular duration
+ void playTone() {
+   long elapsed_time = 0;
+   if (tone_ > 0) { // if this isn't a Rest beat, while the tone has
+     //  played less long than 'duration', pulse speaker HIGH and LOW
+     while (elapsed_time < duration) {
+       digitalWrite(speakerOut,HIGH);
+       delayMicroseconds(tone_ / 2);
+       // DOWN
+       digitalWrite(speakerOut, LOW);
+       delayMicroseconds(tone_ / 2);
+       // Keep track of how long we pulsed
+       elapsed_time += (tone_);
+     }
+   }
+   else { // Rest beat; loop times delay
+     for (int j = 0; j < rest_count; j++) { // See NOTE on rest_count
+       delayMicroseconds(duration); 
+     } 
+   }                                
+ }
+ // LET THE WILD RUMPUS BEGIN =============================
+ void loop() {
+  for (int i=0; i<MAX_COUNT; i++) {
+    tone_ = melody[i];
+    beat = 50;
+
+    duration = beat * tempo; // Set up timing
+
+    playTone();
+    // A pause between notes...
+    delayMicroseconds(pause);
+  }
+ }