serialize method
Implementation
@override
ByteData serialize() {
var data_ = ByteData(mavlinkEncodedLength);
data_.setUint16(0, paramCount, Endian.little);
data_.setUint16(2, paramIndex, Endian.little);
MavlinkMessage.setInt8List(data_, 4, paramId);
MavlinkMessage.setInt8List(data_, 20, paramValue);
data_.setUint8(148, paramType);
return data_;
}