///////////////////////// FastLED ///////////////////////////////////////
void beatSyncPalette() {
  
  uint8_t speed = beatsin8(6,0,255);
  CRGB color = blend(CRGB::Aqua, CRGB::Orange, speed);
  fill_solid(lustre_currentPalette, 16, color);
}


void FillLEDsFromPaletteColors( CRGB leds[], int NUM_LED, CRGBPalette16 palette, uint8_t colorIndex){
  uint8_t brightness = 255;
  for( int i = 0; i < NUM_LED; i++) {
    leds[i] = ColorFromPalette( palette, colorIndex + sin8(i*16), 255);
    colorIndex += 3;
  }
}

float FadingBrightness (int FastLEDindex, float currentBrightness, float targetBrightness, int step) {
  //if (currentBrightness != targetBrightness) { currentBrightness += step ;}
  if ( (step > 0 && currentBrightness < targetBrightness) || (step < 0 && currentBrightness > targetBrightness) ) { currentBrightness += step ;}
  //else Serial.println("fade done");
  //Serial.println(currentBrightness);
  FastLED[FastLEDindex].showLeds((int)currentBrightness) ;
  return currentBrightness ;
}

void updateLeds(){
  
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);
  nblendPaletteTowardPalette(lustre_currentPalette, lustre_targetPalette, 48);

  if(palette_BEAT) {
    beatSyncPalette();
  }
  FillLEDsFromPaletteColors(lustreLeds,NUM_LEDS_LUSTRE, lustre_currentPalette, 0);
//  uint8_t secondHand = (millis() / 10) ;
  lustre_currentBrightness = FadingBrightness( 0, lustre_currentBrightness, lustre_targetBrightness ,lustre_stepBrightness);
}



/////////////////////////////// DIMMER  //////////////////////////////////////


byte percent2PWM ( byte valueIn ) {
  return map (valueIn, 0, 100, 14, 92);
}