// *Interfacing RGB LED with Arduino
// * Author: Osama Ahmed

//Defining  variable and the GPIO pin on Arduino
int redPin = 9;
int greenPin = 10;
int bluePin = 11;

int pot = 0;
byte brig = 0;

float f = 0;
byte r = 0;

void setup() {
  Serial.begin(115200);
  //Defining the pins as OUTPUT
  pinMode(redPin,  OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  pinMode(A0, INPUT);
}
void  loop() {
  pot = analogRead(A0);
  Serial.print("pot: ");
  Serial.println(pot);
  brig = map(pot, 0, 1023, 0, 100);
  Serial.print("brig: ");
  Serial.println(brig);
  Serial.println("----------------");
  setColor(255, 0, 0, brig); // Red Color
  delay(1000);
  /*
    setColor(0,  255, 0, brig); // Green Color
    delay(1000);
    setColor(0, 0, 255, brig); // Blue Color
    delay(1000);
    setColor(255, 255, 255, brig); // White Color
    delay(1000);
    setColor(170, 0, 255, brig); // Purple Color
    delay(1000);
    setColor(127, 127,  127, brig); // Light Blue
    delay(1000);
  */
}
void setColor(int redValue, int greenValue,  int blueValue, byte prc) {
  f = prc;
  f = f / 100;
  Serial.print("f: ");
  Serial.println(f);
  r = redValue * f;
  Serial.print("Red: ");
  Serial.println(r);

  analogWrite(redPin, redValue * f);
  analogWrite(greenPin,  greenValue * f);
  analogWrite(bluePin, blueValue * f);


}