serialize method
Implementation
@override
ByteData serialize() {
var data_ = ByteData(mavlinkEncodedLength);
data_.setInt32(0, pointingA, Endian.little);
data_.setInt32(4, pointingB, Endian.little);
data_.setInt32(8, pointingC, Endian.little);
data_.setUint8(12, targetSystem);
data_.setUint8(13, targetComponent);
data_.setUint8(14, mountMode);
return data_;
}