ColorFluteSensorTest

// Introduction to Physical Computing - ITP - NYU
// Fall 2013 - Tom Igoe
// Midterm Project - Color Flute
// Abe Rubenstein + Yu Ji
// ARDUINO


// global variables for raw sensor values
int photo1 = 0;  // photoresistor 1 (red)
int photo2 = 0;  // photoresistor 2 (green)
int photo3 = 0;  // photoresistor 3 (blue)
int blow = 0;    // piezo (blow)
int accX = 0;    // accelerometer (x-axis)
int accY = 0;    // accelerometer (y-axis)

// global variables for binarized photoresistor sensor values
int photo1Out = 0;
int photo2Out = 0;  
int photo3Out = 0;


void setup() {
  Serial.begin(9600);
}


void loop() {
  
  photo1 = analogRead(A0);
  photo2 = analogRead(A1);
  photo3 = analogRead(A2);
  blow = analogRead(A3);
  accX = analogRead(A4);
  accY = analogRead(A5);
    
  // Binarize the photoresistor values:
  // 700 is the threshold point
  // works well for most lighting situations
  if (photo1 <= 700) photo1Out = 255;
  if (photo2 <= 700) photo2Out = 255;
  if (photo3 <= 700) photo3Out = 255;
  if (photo1 > 700) photo1Out = 0;
  if (photo2 > 700) photo2Out = 0;
  if (photo3 > 700) photo3Out = 0;
  
  printSensorData(0);

  // Wait 2 milliseconds before the next loop
  // for the analog-to-digital converter to settle
  // after the last reading:
  delay(2);
  
}


void printSensorData(int debug) {

  // Prints raw sensor values
  if (debug) {
    Serial.print(photo1);
    Serial.print(" / ");  
    Serial.print(photo2);
    Serial.print(" / ");
    Serial.print(photo3);
    Serial.print("\t output = ");
  }
  
  Serial.print(photo1Out);
  Serial.print('/');
  Serial.print(photo2Out); 
  Serial.print('/');
  Serial.print(photo3Out);
  Serial.print('/');
  Serial.print(blow);
  Serial.print('/');
  Serial.print(accX);
  Serial.print('/');
  Serial.println(accY);
  
}