mobile平台gpsone编程

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1、Mobile平台gpsone编程作者：李战克slzhk@163.com位置数据结构typedefstruct_GPS_POSITION{DWORDdwVersion;//CurrentversionofGPSIDclientisusing.DWORDdwSize;//sizeof(_GPS_POSITION)//Notallfieldsinthestructurebelowareguaranteedtobevalid.//WhichfieldsarevaliddependonGPSdevicebeingused,howstaletheAPIallows//th

2、edatatobe,andcurrentsignal.//ValidfieldsarespecifiedindwValidFields,basedonGPS_VALID_XXXflags.DWORDdwValidFields;//Additionalinformationaboutthislocationstructure(GPS_DATA_FLAGS_XXX)DWORDdwFlags;//**TimerelatedSYSTEMTIMEstUTCTime;//UTCaccordingtoGPSclock.//**Position+headingrelatedd

3、oubledblLatitude;//Degreeslatitude.NorthispositivedoubledblLongitude;//Degreeslongitude.EastispositivefloatflSpeed;//SpeedinknotsfloatflHeading;//Degreesheading(coursemadegood).TrueNorth=0doubledblMagneticVariation;//Magneticvariation.EastispositivefloatflAltitudeWRTSeaLevel;//Altit

4、utewithregardstosealevel,inmetersfloatflAltitudeWRTEllipsoid;//Altitudewithregardstoellipsoid,inmeters//**QualityofthisfixGPS_FIX_QUALITYFixQuality;//Wheredidwegetfixfrom?GPS_FIX_TYPEFixType;//Isthis2dor3dfix?GPS_FIX_SELECTIONSelectionType;//Autoormanualselectionbetween2dor3dmodeflo

5、atflPositionDilutionOfPrecision;//PositionDilutionOfPrecisionfloatflHorizontalDilutionOfPrecision;//HorizontalDilutionOfPrecisionfloatflVerticalDilutionOfPrecision;//VerticalDilutionOfPrecision//**SatelliteinformationDWORDdwSatelliteCount;//NumberofsatellitesusedinsolutionDWORDrgdwS

6、atellitesUsedPRNs[GPS_MAX_SATELLITES];//PRNnumbersofsatellitesusedinthesolutionDWORDdwSatellitesInView;//Numberofsatellitesinview.From0-GPS_MAX_SATELLITESDWORDrgdwSatellitesInViewPRNs[GPS_MAX_SATELLITES];//PRNnumbersofsatellitesinviewDWORDrgdwSatellitesInViewElevation[GPS_MAX_SATELL

7、ITES];//ElevationofeachsatelliteinviewDWORDrgdwSatellitesInViewAzimuth[GPS_MAX_SATELLITES];//AzimuthofeachsatelliteinviewDWORDrgdwSatellitesInViewSignalToNoiseRatio[GPS_MAX_SATELLITES];//Signaltonoiseratioofeachsatelliteinview//**GPSAPIExtendedfields(APIv2)GPS_POSITION_ERRORPosition

8、UncertaintyError;//