/*
 * This code plays "Jesus Loves Me" while different LEDs blink with each note.
 *
 * Setup for song in code from:
 * http://web.media.mit.edu/~leah/LilyPad/07_sound.html
 *
 * For a chart of the frequencies of different notes see:
 * http://www.phy.mtu.edu/~suits/notefreqs.html
 *
 */

int speakerPin = 11; 	  // speaker connected to digital pin 11

void beep (unsigned char speakerPin, int frequencyInHertz, long timeInMilliseconds)     // the sound producing function
{ 	 
  int x; 	 
  long delayAmount = (long)(1000000/frequencyInHertz);
  long loopTime = (long)((timeInMilliseconds*1000)/(delayAmount*2));
  for (x=0;x<loopTime;x++) 	 
  { 	 
    digitalWrite(speakerPin,HIGH);
    delayMicroseconds(delayAmount);
    digitalWrite(speakerPin,LOW);
    delayMicroseconds(delayAmount);
  } 	 
} 

void setup() 	 
{ 	 
  pinMode(5, OUTPUT); 	 // sets the ledPin to be an output
  pinMode(6, OUTPUT); 	 // sets the ledPin to be an output
  pinMode(A2, OUTPUT); 	 // sets the ledPin to be an output
  pinMode(A3, OUTPUT); 	 // sets the ledPin to be an output
  pinMode(A4, OUTPUT); 	 // sets the ledPin to be an output
  pinMode(9, OUTPUT);    // sets the pinkled to be an output
  pinMode(speakerPin, OUTPUT); 	 // sets the speakerPin to be an output
  pinMode(A5, OUTPUT);
  digitalWrite(A5, LOW);  // Turns off power to pin A5 because it is the negative wire
} 


void loop() 	// run over and over again
{
  digitalWrite(9, HIGH);        // turn on Pink LED
  digitalWrite(9, LOW);

  digitalWrite(5, HIGH);        // turn on LED at pin 5 for next note
  beep(speakerPin,392,500); 	//G4: play the note G (G4 from the chart linked to above) for 500ms              
  digitalWrite(5, LOW);         // turn off LED at pin 5 after note is finished
  digitalWrite(6, HIGH);        
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);         
  digitalWrite(6, HIGH);  
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(A2, HIGH);  
  beep(speakerPin,293.66,500); 	//D4
  digitalWrite(A2, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500); 	//G4
  digitalWrite(5, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000); 	//G4
  digitalWrite(5, LOW);
  
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,523.25,500); 	//C5
  digitalWrite(A3, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500); 	//G4
  digitalWrite(5, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000); 	//G4
  digitalWrite(5, LOW);
  
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500); 	//G4
  digitalWrite(5, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(A2, HIGH);
  beep(speakerPin,293.66,500); 	//D4
  digitalWrite(A2, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500); 	//G4
  digitalWrite(5, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000); 	//G4
  digitalWrite(5, LOW);
  
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500); 	//A4
  digitalWrite(A4, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500); 	//G4
  digitalWrite(5, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,261.63,500); 	//C4
  digitalWrite(A4, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500); 	//E4
  digitalWrite(6, LOW);
  digitalWrite(A2, HIGH);
  beep(speakerPin,293.66,500); 	//D4
  digitalWrite(A2, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,261.63,1000); //C4
  digitalWrite(A3, LOW);
  
  delay(200);                       // pause between lines in song for 200 milliseconds
  
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000);        //G4
  digitalWrite(5, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500);      //E4
  digitalWrite(6, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500);         //G4
  digitalWrite(5, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500);         //A4
  digitalWrite(A4, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,523.25,1000);     //C5
  digitalWrite(A3, LOW);
  
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000);        //G4
  digitalWrite(5, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500);      //E4
  digitalWrite(6, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,261.63,500);      //C4
  digitalWrite(A3, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500);      //E4
  digitalWrite(6, LOW);
  digitalWrite(A2, HIGH);
  beep(speakerPin,293.66,1000);     //D4
  digitalWrite(A2, LOW);
  
  digitalWrite(5, HIGH);
  beep(speakerPin,392,1000);        //G4
  digitalWrite(5, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,329.63,500);      //E4
  digitalWrite(6, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500);         //G4
  digitalWrite(5, LOW);
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500);         //A4
  digitalWrite(A4, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,523.25,1000);     //C5
  digitalWrite(A3, LOW);
  
  digitalWrite(A4, HIGH);
  beep(speakerPin,440,500);         //A4
  digitalWrite(A4, LOW);
  digitalWrite(5, HIGH);
  beep(speakerPin,392,500);         //G4
  digitalWrite(5, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,261.63,500);      //C4
  digitalWrite(A3, LOW);
  digitalWrite(6, HIGH);
  beep(speakerPin,392.63,500);      //E4
  digitalWrite(6, LOW);
  digitalWrite(A2, HIGH);
  beep(speakerPin,293.66,500);      //D4
  digitalWrite(A2, LOW);
  digitalWrite(A3, HIGH);
  beep(speakerPin,261.63,2000);     //C4
  digitalWrite(A3, LOW);
  
  delay(5000); // pause at the end of song and wait 5 second before restarting

}