MagicBox/4_rgb_fade_with_function.ino at main · BarnabasRobotics/MagicBox · GitHub

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/*
Morse code sheet: https://drive.google.com/file/d/1liBuEK5mu3E04ymCv_On7b9cEDAkBJO1/view

Challenges:
1) Create function to fade RGB
2) Colors of Rainbow fading style

Color guide: https://www.rapidtables.com/web/color/RGB_Color.html
*/

#define RED 3
#define BLUE 5
#define GREEN 6

int counter;

void setup() {

  pinMode(RED,OUTPUT); //- RED
  pinMode(BLUE,OUTPUT); //- BLUE
  pinMode(GREEN,OUTPUT); //- GREEN
  pinMode(7,OUTPUT);
}

void dot() {
  digitalWrite(7,HIGH);
  delay(100);
  digitalWrite(7,LOW);
  delay(100);
}

void dash() {
  digitalWrite(7,HIGH);
  delay(300);
  digitalWrite(7,LOW);
  delay(100);
}

void rgbOff() {
  analogWrite(RED,0);
  analogWrite(BLUE,0);
  analogWrite(GREEN,0);
}


void rgbRed() {
  analogWrite(RED,255);
  analogWrite(BLUE,0);
  analogWrite(GREEN,0);
}

void rgbBlue() {
  analogWrite(RED,0);
  analogWrite(BLUE,255);
  analogWrite(GREEN,0);
}

void rgbGreen() {
  analogWrite(RED,0);
  analogWrite(BLUE,0);
  analogWrite(GREEN,255);
}

void rgbOrange() {
  analogWrite(RED,255);
  analogWrite(GREEN,205);
  analogWrite(BLUE,0);
}

void rgbYellow() {
  analogWrite(RED,222);
  analogWrite(GREEN,255);
  analogWrite(BLUE,0);
}

void rgbIndigo() {
  analogWrite(RED,0);
  analogWrite(GREEN,247);
  analogWrite(BLUE,255);
}

void rgbViolet() {
  analogWrite(RED,179);
  analogWrite(GREEN,0);
  analogWrite(BLUE,255);
}

void rgbFade(int color,int startValue, int endValue) {

  int counter;

  if (startValue < endValue) {
    //- increment
    counter = startValue;
    while (counter <= endValue) {
      analogWrite(color,counter);
      counter = counter + 1;
      delay(20);
    }
  }

  if (startValue > endValue) {
    //- decrement
    counter = startValue;
    while (counter >= endValue) {
      analogWrite(color,counter);
      counter = counter - 1;
      delay(20);
    }

  }
}


void loop() {

  rgbOff();

  rgbFade(RED,0,255);
  rgbFade(BLUE,0,255);
  rgbFade(RED,255,0);
  rgbFade(BLUE,255,0);

}