PWM_ColorMixing_RGB_LED_CommonAnode

PWM_MiesanieFarieb_Marek.ino

#include <FlexiTimer2.h>

#define GREEN 9
#define RED 6
#define BLUE 5

int redPin =  RED;
int greenPin =  GREEN;
int bluePin =  BLUE;

void setup()
{
	pinMode(RED, OUTPUT);
	pinMode(GREEN, OUTPUT);
	pinMode(BLUE, OUTPUT);

	digitalWrite(RED, 1);
	digitalWrite(GREEN, 1);
	digitalWrite(BLUE, 1);

    pinMode(10, OUTPUT);

    FlexiTimer2::set(500, flash); // 500ms period
    FlexiTimer2::start();
}

int redIntensity = 255;

void loop()
{
  // set all 3 pins to the desired intensity
  analogWrite(redPin, redIntensity);
  analogWrite(greenPin, redIntensity - 255);
  analogWrite(bluePin, 0);
  
  // remain at this color, but not for very long
  delay(10);
  
  // increase the red
  redIntensity--;
  
  // since 255 is the maximum, set it back to 0
  // when it increments beyond 255
  if (redIntensity <= 0) 
  {
    redIntensity = 255;
  }
}


void flash() 
{
  static boolean output = HIGH;

  digitalWrite(10, output);
  output = !output;
}