serialize method
Implementation
@override
ByteData serialize() {
var data_ = ByteData(mavlinkEncodedLength);
MavlinkMessage.setUint16List(data_, 0, ids);
data_.setUint8(32, targetSystem);
data_.setUint8(33, targetComponent);
data_.setUint8(34, bus);
data_.setUint8(35, operation);
data_.setUint8(36, numIds);
return data_;
}