Living Architecture Fall 2009 Pratt

/*
* YYZ
*
* Based on the basic Arduino example, Blink: http://www.arduino.cc/en/Tutorial/Blink
* Plays the opening rhythm to YYZ by Rush.
*/

const int LED_PIN = 13;      // LED connected to digital pin 13
const int TEMPO = 100;       // Beats per minute (the original song is 
             // played at 104 BPM but that's
                            // a little too fast to watch so it has 
     //been slowed down to 100 BPM)

// Delay in milliseconds = 1 minute    60 seconds   1000 milliseconds
//                         --------- * ---------- * -----------------
//                         (X) beats   minute       second

const int QUARTER_NOTE = (int)((60.0 * 1000.0) / (float)TEMPO);
const int EIGHTH_NOTE = QUARTER_NOTE / 2;
const int SIXTEENTH_NOTE = EIGHTH_NOTE / 2;


void setup()                            // Run once, when the sketch starts
{
   pinMode(LED_PIN, OUTPUT);           // Sets the digital pin as output
}

void loop()                             // Run over and over again
{
   // Rush: YYZ (-.--|-.--|--..)
   PlayNote(EIGHTH_NOTE);
   PlayNote(SIXTEENTH_NOTE);
   PlayNote(EIGHTH_NOTE);
   PlayNote(EIGHTH_NOTE);
   // ----
   PlayNote(EIGHTH_NOTE);
   PlayNote(SIXTEENTH_NOTE);
   PlayNote(EIGHTH_NOTE);
   PlayNote(EIGHTH_NOTE);
   // ----
   PlayNote(EIGHTH_NOTE);
   PlayNote(EIGHTH_NOTE);
   PlayNote(SIXTEENTH_NOTE);
   PlayNote(SIXTEENTH_NOTE);   
}

void PlayNote(int nDuration)
{
   nDuration = (nDuration / 2);
   digitalWrite(LED_PIN, HIGH);        // Set the LED on
   delay(nDuration);                   // Wait for half the (original) duration
   digitalWrite(LED_PIN, LOW);         // Set the LED off
   delay(nDuration);                   // Wait for half the (original) duration
}

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Labels: Living Architecture, Pratt, Responsive Architecture

# posted by Anka : 11:33 AM