Test the long press validation with action on release

Long Press validation

/*
 *  Button Long Press and confirm on release
 */

bool hasBeenLongPressed = false;

bool bFastPulse = false;
byte bri[6];

void setup() {
  // put your setup code here, to run once:

}

void loop() {

  displayPulse();
  
  // put your main code here, to run repeatedly:
  if (buttonLongPressed()) {
    hasBeenLongPressed = true;
  }

  if (buttonDown()) {
    if(hasBeenLongPressed) {
      // show that long press is registered
      // setColor(GREEN);
      // rotate white around
      setColor(OFF);
      FOREACH_FACE(f){
        if((millis()/60) % 6 == f) {
          bri[f] = 255;
        }
        if( bri[f] >= 15 ) {
          bri[f] -= 15;
        }
        setColorOnFace(dim(WHITE, bri[f]), f);
      }
    }
  }
  
  if (buttonReleased()) {
    if(hasBeenLongPressed) {
      // commit to the long press action
      bFastPulse = !bFastPulse;
    }
    hasBeenLongPressed = false;
  }
}

void displayPulse() {
  if(bFastPulse) {
    setColor(dim(WHITE, 127 + 127*sin(millis()/90.f)));
  }
  else {
    setColor(dim(WHITE, 127 + 127*sin(millis()/360.f)));
  }
}