colordial.ino

/****************************************
 *                                      *
 *  colordial.ino                       *
 *  Eric Ayars                          *
 *  4/4/12                              *
 *                                      *
 *  Reads three pots, sets RGB color    *
 *  accordingly. Also reports RGB       *
 *  tuples on the serial line.          *
 *                                      *
 ****************************************/

byte Red = 3;       // Red PWM pin
byte Green = 5;     // Green PWM pin
byte Blue = 6;      // Blue PWM pin

byte Ri = 0;        // input pins for RGB
byte Gi = 1;
byte Bi = 2;

void setup() {
    Serial.begin(9600);
    pinMode(Red, OUTPUT);
    pinMode(Green, OUTPUT);
    pinMode(Blue, OUTPUT);
}

void setColor(byte r,byte g,byte b) {
    r = 255-r;
    g = 255-g;
    b = 255-b;
    analogWrite(Red, r);
    analogWrite(Green, g);
    analogWrite(Blue, b);
}

void loop()
{
    byte R = map(analogRead(Ri), 0, 1023, 0, 255);
    byte G = map(analogRead(Gi), 0, 1023, 0, 255);
    byte B = map(analogRead(Bi), 0, 1023, 0, 255);

    setColor(R,G,B);
    Serial.print(R, DEC);
    Serial.print(' ');
    Serial.print(G, DEC);
    Serial.print(' ');
    Serial.print(B, DEC);
    Serial.print('\n');
    
    delay(200);
}