开源GPS解析引擎，能够根据NMEA协议解析GPS设备数据-open source gps parse engine，parsing gps data according to NMEA protocol

GPS和BD数据解析类，此类用于解析NMEA-0183 格式的GPS/BD数据-GPS and BD data parsing class, this kind of used to resolve NMEA- 0183 GPS/BD data format