Playing Music

gistfile1.cpp

// Buzzer example function for the CEM-1203 buzzer (Sparkfun's part #COM-07950).
// by Rob Faludi
// http://www.faludi.com

// Additions by Christopher Stevens
// http://www.christopherstevens.cc

//Taken from http://www.instructables.com/id/Play-the-French-Can-Can-Using-an-Arduino-and-Buzze/step8/Play-Musical-Notes/


//Modified by Vicky Wu July 2012

//It may be helpful to create an array of notes...
//http://www.phy.mtu.edu/~suits/notefreqs.html


#define C5 523
#define D5 587
#define E5 659
#define F5 698
#define G5 783
#define a5 880  
#define B5 987
#define C6 1046


int out = 4;

void setup()
{
  pinMode(4, OUTPUT);
}

void buzz(int targetPin, long frequency, long length) 
{
    long delayValue = 1000000/frequency/2; // calculate the delay value between transitions
    //// 1 second's worth of microseconds, divided by the frequency, then split in half since
    //// there are two phases to each cycle
    long numCycles = frequency * length/ 1000; // calculate the number of cycles for proper timing
    //// multiply frequency, which is really cycles per second, by the number of seconds to
    //// get the total number of cycles to produce
    for (long i=0; i < numCycles; i++){ // for the calculated length of time...
        digitalWrite(targetPin,HIGH); // write the buzzer pin high to push out the diaphram
        delayMicroseconds(delayValue); // wait for the calculated delay value
        digitalWrite(targetPin,LOW); // write the buzzer pin low to pull back the diaphram
        delayMicroseconds(delayValue); // wait againf or the calculated delay value
      
    }
}
void loop()
{
  
  
 //buzz(out, C5, 200);
 /*
 buzz(out, E5, 200);
  buzz(out, G5, 200);
  buzz(out, B5, 200);
  buzz(out, C6, 200);
 buzz(out, B5, 200);
 buzz(out, G5, 200);
  buzz(out, E5, 200);
 */ 
}