#include <FastSPI_LED.h>

#define stripLength 64 // Number of LEDs in your strip
 
// specified under `rate` in the `[device]` section of /etc/boblight.conf
#define serialRate 115200
 
// boblightd sends a prefix (defined in /etc/boblight.conf) before sending the pixel data
uint8_t prefix[] = {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};

struct CRGB { unsigned char g; unsigned char r; unsigned char b; };
struct CRGB *leds;

#define PIN 8

void setup()
{
  FastSPI_LED.setLeds(stripLength);
  FastSPI_LED.setChipset(CFastSPI_LED::SPI_TM1809);
  FastSPI_LED.setPin(PIN);
  FastSPI_LED.init();
  FastSPI_LED.start();
  Serial.begin(serialRate); 
}

void loop() { 
// wait until we see the prefix
  for(byte i = 0; i < sizeof prefix; ++i) {
    waitLoop: while (!Serial.available()) ;;
    // look for the next byte in the sequence if we see the one we want
    if(prefix[i] == Serial.read()) continue;
    // otherwise, start over
    i = 0;
    goto waitLoop;
  }
  // read the transmitted data
  for (uint8_t i = 0; i < stripLength; 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;
  }
  FastSPI_LED.show();
}