serialize method
Implementation
@override
ByteData serialize() {
var data_ = ByteData(mavlinkEncodedLength);
data_.setUint32(0, customMode, Endian.little);
data_.setUint8(4, type);
data_.setUint8(5, autopilot);
data_.setUint8(6, baseMode);
data_.setUint8(7, systemStatus);
data_.setUint8(8, mavlinkVersion);
return data_;
}