serialize method

@override ByteData serialize()

Implementation

@override
ByteData serialize() {
  var data_ = ByteData(mavlinkEncodedLength);
  data_.setFloat32(0, direction, Endian.little);
  data_.setFloat32(4, speed, Endian.little);
  data_.setFloat32(8, speedZ, Endian.little);
  return data_;
}