serialize method
Implementation
@override
ByteData serialize() {
var data_ = ByteData(mavlinkEncodedLength);
data_.setUint32(0, timeBootMs, Endian.little);
data_.setUint32(4, errorStatus, Endian.little);
data_.setUint32(8, batteryStatus, Endian.little);
data_.setUint8(12, armStatus);
data_.setUint8(13, chargeStatus);
return data_;
}