unsigned int ledState = LOW;

typedef struct Packet {
  int16_t MagicWordLow;
  int16_t MagicWordHigh;
  
  int16_t Throttle;
  int16_t Steering;
  
  int16_t Kp;
  int16_t Ki;
  int16_t Kd;
  
  bool Enabled;
};

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
  Serial.begin(57600);
  Serial.println("Starting...");

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(2000);

  ledState = !ledState;
  digitalWrite(BUILTIN_LED, ledState);
  
  int bufferSize = 15;
  uint8_t buffer[bufferSize];

  Packet* pPacket = (Packet*)buffer;

  pPacket->MagicWordLow = 0x0DED;
  pPacket->MagicWordHigh = 0x0DEC;
  pPacket->Throttle = 123;
  pPacket->Steering = 456;
  pPacket->Kp = 10;
  pPacket->Ki = 20;
  pPacket->Kd = 30;
  pPacket->Enabled = true;
  

  Serial.write(buffer, bufferSize);
  
}