ldstfinal2.ino

#define s0 4
#define s1 5
#define s2 6
#define s3 7
#define outPin 8

boolean DEBUG = true;

// Variables
int red;
int grn;
int blu;
String color ="";
int count = 0;
long startTiming = 0;
long elapsedTime =0;
void setup()
{
  pinMode(s0, OUTPUT);
  pinMode(s1, OUTPUT);
  pinMode(s2, OUTPUT);
  pinMode(s3, OUTPUT);
  pinMode(outPin, INPUT); //out from sensor becomes input to arduino

    // Setting frequency scaling to 100%
  digitalWrite(s0,HIGH);
  digitalWrite(s1,HIGH);
  
  Serial.begin(9600);

}

void loop()
{
  getColor();
 
  printData(); 
 
  delay(1000);
}
/* Based on RGB components ==> Determine color */
void getColor()
{  
  readRGB();
  
  if (red > 8 && red < 18 && grn > 9 && grn < 19 && blu > 8 && blu < 16) color = "WHITE";
  else if (red > 80 && red < 125 && grn > 90 && grn < 125 && blu > 80 && blu < 125) color = "BLACK";
  else if (red > 12 && red < 30 && grn > 40 && grn < 70 && blu > 33 && blu < 70) color = "RED";
  else if (red > 50 && red < 95 && grn > 35 && grn < 70 && blu > 45 && blu < 85) color = "GREEN";
  else if (red > 10 && red < 20 && grn > 10 && grn < 25 && blu > 20 && blu < 38) color = "YELLOW";
  else if (red > 65 && red < 125 && grn > 65 && grn < 115 && blu > 32 && blu < 65) color = "BLUE";
  else if (red > 15 && red < 30&& grn > 10 && grn < 50 && blu > 5 && blu < 25) color = "PURPLE";
  else if (red > 5 && red < 15&& grn > 25 && grn < 35 && blu > 15 && blu < 20) color = "PINK";
  else if (red > 5 && red < 22 && grn > 15 && grn < 70 && blu > 18 && blu < 30) color = "ORANGE";
  
}

/* read RGB components */
void readRGB() 
{
  red = 0;
  grn = 0;
  blu = 0;
  int n = 10;
  for (int i = 0; i < n; ++i)
  {
    //read red component
    digitalWrite(s2, LOW);
    digitalWrite(s3, LOW);
    red = red + pulseIn(outPin, LOW);
  
   //read green component
    digitalWrite(s2, HIGH);
    digitalWrite(s3, HIGH);
    grn = grn + pulseIn(outPin, LOW);
    
   //let's read blue component
    digitalWrite(s2, LOW);
    digitalWrite(s3, HIGH);
    blu = blu + pulseIn(outPin, LOW);
  }
  red = red/n;
  grn = grn/n;
  blu = blu/n;
}

void printData(void)
{
  /*Serial.print("red= ");
  Serial.print(red);
  Serial.print("   green= ");
  Serial.print(grn);
  Serial.print("   blue= ");
  Serial.print(blu);
  Serial.print (" - ");*/
  
  Serial.print (color);
  Serial.println ("   ");
//  Serial.println (" detected!");
  
}