hyperion.ng/assets/firmware/arduino/adalight/adalight.ino

#include "FastLED.h"

// How many leds in your strip?
#define NUM_LEDS 240

// For led chips like Neopixels, which have a data line, ground, and power, you just
// need to define DATA_PIN.  For led chipsets that are SPI based (four wires - data, clock,
// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
#define DATA_PIN 6
#define CLOCK_PIN 13

#define COLOR_ORDER RGB

// Adalight sends a "Magic Word" (defined in /etc/boblight.conf) before sending the pixel data
uint8_t prefix[] = {'A', 'd', 'a'}, hi, lo, chk, i;

// Baudrate, higher rate allows faster refresh rate and more LEDs (defined in /etc/boblight.conf)
#define serialRate 460800

// Define the array of leds
CRGB leds[NUM_LEDS];

void setup() {
  // Uncomment/edit one of the following lines for your leds arrangement.
  // FastLED.addLeds<NEOPIXEL    , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<BTM1829     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<TM1812      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<TM1809      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<TM1804      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<TM1803      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<UCS1903     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<UCS1903B    , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<UCS1904     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<UCS2903     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2812      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2852      , DATA_PIN, RGB>(leds, NUM_LEDS);
  FastLED.addLeds<WS2812B     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<SK6812      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<SK6822      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<APA106      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<PL9823      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2811      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2813      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<APA104      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2811_40   , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<GW6205      , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<GW6205_40   , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<LPD1886     , DATA_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<LPD1886_8BIT, DATA_PIN, RGB>(leds, NUM_LEDS);

  // FastLED.addLeds<LPD8806, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2801 , DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2803 , DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<SM16716, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<P9813  , DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<APA102 , DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<SK9822 , DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);
  // FastLED.addLeds<DOTSTAR, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS);

  // initial RGB flash
  LEDS.showColor(CRGB(255, 0, 0));
  delay(250);
  LEDS.showColor(CRGB(0, 255, 0));
  delay(250);
  LEDS.showColor(CRGB(0, 0, 255));
  delay(250);
  LEDS.showColor(CRGB(0, 0, 0));

  Serial.begin(serialRate);
  Serial.print("Ada\n"); // Send "Magic Word" string to host

}

void loop() {
  // wait for first byte of Magic Word
  for (i = 0; i < sizeof prefix; ++i) {
waitLoop: while (!Serial.available()) ;;
    // Check next byte in Magic Word
    if (prefix[i] == Serial.read()) continue;
    // otherwise, start over
    i = 0;
    goto waitLoop;
  }

  // Hi, Lo, Checksum

  while (!Serial.available()) ;;
  hi = Serial.read();
  while (!Serial.available()) ;;
  lo = Serial.read();
  while (!Serial.available()) ;;
  chk = Serial.read();

  // if checksum does not match go back to wait
  if (chk != (hi ^ lo ^ 0x55))
  {
    i = 0;
    goto waitLoop;
  }

  memset(leds, 0, NUM_LEDS * sizeof(struct CRGB));
  // read the transmission data and set LED values
  for (uint8_t i = 0; i < NUM_LEDS; i++) {
    byte r, g, b;
    while (!Serial.available());
    r = Serial.read();
    while (!Serial.available());
    g = Serial.read();
    while (!Serial.available());
    b = Serial.read();
    leds[i].r = r;
    leds[i].g = g;
    leds[i].b = b;
  }
  // shows new values
  FastLED.show();
}