le_gnss_interface.h
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24 * GNSS or Global Navigation Satellite System is a satellite navigation system with global coverage.55 * The other starting functions that allow to start or restart the GNSS devices in particular modes60 * A diagram of GNSS device state machine showing how to use the different starting fonctions can be73 * The le_gnss_StartMode() function clears the @ref le_gnss_Data according to the starting mode and75 * In HOT mode, no data are cleared, the GNSS is started with its available data. It is equivalent76 * to @ref le_gnss_Start() function. In WARM mode, GNSS is started after the Ephemeris are cleared.77 * In COLD mode, GNSS is started after all data are cleared except Almanac and in Factory mode GNSS81 * The le_gnss_ForceHotRestart() function performs a "HOT" restart of the GNSS device. The current86 * The le_gnss_ForceWarmRestart() function performs a "WARM" restart of the GNSS device. The current93 * The le_gnss_ForceColdRestart() function performs a "COLD" restart of the GNSS device. The current129 * The le_gnss_GetTtff() function provides the TTFF (first between 2-Dimensional or 3-Dimensional132 * le_gnss_GetPositionState() function. The GNSS fix position states are given by le_gnss_FixState_t143 * The le_gnss_InjectUtcTime() function injects the UTC time into the location engine. Providing an145 * @note It is mandatory to enable the 'Extended Ephemeris' file injection into the GNSS device with149 * Please refer to your platform documentation @ref platformConstraintsGnss_SettingConfiguration for153 * The GNSS position is computed and delivered each acquisition rate. The acquisition rate defines162 * The le_gnss_EnableExternalLna() function enables the EXT_GPS_LNA_EN signal. The pin is set high165 * The le_gnss_DisableExternalLna() function disables the EXT_GPS_LNA_EN signal. The pin remains off181 * Please refer to your platform documentation @ref platformConstraintsGnss_SettingConfiguration for184 * Combinations of constellation for GPS, GLONASS, BDS, GALILEO and QZSS satellites are currently194 * le_gnss_SetConstellationArea sets the area for a GNSS constellation. le_gnss_GetConstellationArea216 * @ref le_gnss_NMEA with a bit mask. The supported values are listed in @ref le_gnss_NmeaBitMask_t.218 * @note This function may be subject to limitations depending on the platform. Please refer to the222 * Please refer to your platform documentation @ref platformConstraintsGnss_SettingConfiguration for230 * The le_gnss_GetNmeaSentences() function gets the bit mask of the enabled NMEA sentences in the233 * The le_gnss_GetSupportedNmeaSentences() function gets a bit mask of the NMEA sentences supported250 * ''LE_OK or error code'' means the function is authorized in the corresponding state, the request251 * is performed and the result is returned; otherwise the returned error is indicated for each state254 *| ----------------------------- | --------------------------- | -----------------------------| --------------------------- | --------------------------- |257 *| le_gnss_ForceHotRestart() | LE_NOT_PERMITTED | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED |258 *| le_gnss_ForceWarmRestart() | LE_NOT_PERMITTED | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED |259 *| le_gnss_ForceColdRestart() | LE_NOT_PERMITTED | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED |260 *| le_gnss_ForceFactoryRestart() | LE_NOT_PERMITTED | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED |261 *| le_gnss_Disable() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_DUPLICATE |263 *| le_gnss_SetConstellation() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |264 *| le_gnss_GetConstellation() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |265 *| le_gnss_SetConstellationArea() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |266 *| le_gnss_GetConstellationArea() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |267 *| le_gnss_GetTtff() | LE_NOT_PERMITTED | LE_OK or error code | LE_OK or error code | LE_NOT_PERMITTED |268 *| le_gnss_SetAcquisitionRate() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |269 *| le_gnss_GetAcquisitionRate() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |270 *| le_gnss_SetNmeaSentences() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |271 *| le_gnss_GetNmeaSentences() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |272 *| le_gnss_EnableExternalLna() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |273 *| le_gnss_DisableExternalLna() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |274 *| le_gnss_GetExternalLna() | LE_NOT_PERMITTED | LE_OK or error code | LE_NOT_PERMITTED | LE_NOT_PERMITTED |327 * le_gnss_SetDataResolution() function can be called to configure the resolution of position data335 * le_gnss_SetDataResolution() function is called with vertical position accuracy set as data type338 * @note If le_gnss_SetDataResolution() function is not called, the position data types are received357 * A sample code using le_gnss_ConvertDataCoordinate() function can be seen in the following page:365 * @c le_gnss_SetDopResolution() and @c le_gnss_GetDilutionOfPrecision() functions should be called403 * With le_gnss_GetExtendedEphemerisValidity(), you will to get the validity of the last injected416 * That 3GPP User Plane A-GNSS (Assisted GNSS) protocol is defined by two different standardization417 * bodies, 3GPP and Open Mobile Alliance (OMA). For more information, please refer to the standard.422 *, then returns the retrieved GNSS data to the SUPL (Secure User Plan Location) server, where the426 * server. The MS measures the signals from the GNSS satellites and makes the position calculation.439 * The SUPL server is configured using the le_gnss_SetSuplServerUrl() function. That function sets443 * le_gnss_InjectSuplCertificate() function and deleted through the le_gnss_DeleteSuplCertificate()445 * The SUPL certificate lenght given as parameter to le_gnss_InjectSuplCertificate() must be less522 //--------------------------------------------------------------------------------------------------526 //--------------------------------------------------------------------------------------------------529 //--------------------------------------------------------------------------------------------------532 * Connect the current client thread to the service providing this API. Block until the service is535 * For each thread that wants to use this API, either ConnectService or TryConnectService must be536 * called before any other functions in this API. Normally, ConnectService is automatically called541 //--------------------------------------------------------------------------------------------------547 //--------------------------------------------------------------------------------------------------550 * Try to connect the current client thread to the service providing this API. Return with an error553 * For each thread that wants to use this API, either ConnectService or TryConnectService must be554 * called before any other functions in this API. Normally, ConnectService is automatically called563 * - LE_NOT_PERMITTED if the client interface is not bound to any service (doesn't have a binding).566 //--------------------------------------------------------------------------------------------------572 //--------------------------------------------------------------------------------------------------576 * When a server connection is lost, call this handler then exit with LE_FATAL. If a program wants579 //--------------------------------------------------------------------------------------------------586 //--------------------------------------------------------------------------------------------------592 * longer a connection to the service, and the functions in this API can't be used. For details, see597 //--------------------------------------------------------------------------------------------------604 //--------------------------------------------------------------------------------------------------608 //--------------------------------------------------------------------------------------------------611 //--------------------------------------------------------------------------------------------------615 //--------------------------------------------------------------------------------------------------618 //--------------------------------------------------------------------------------------------------622 //--------------------------------------------------------------------------------------------------625 //--------------------------------------------------------------------------------------------------629 //--------------------------------------------------------------------------------------------------632 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//--------------------------------------------------------------------------------------------------845 //--------------------------------------------------------------------------------------------------851 //--------------------------------------------------------------------------------------------------862 //--------------------------------------------------------------------------------------------------869 //--------------------------------------------------------------------------------------------------877 * @note If the caller is passing an invalid Position sample reference or null pointers into this880 //--------------------------------------------------------------------------------------------------889 //--------------------------------------------------------------------------------------------------898 * @note It is mandatory to enable the 'Extended Ephemeris' file injection into the GNSS device with901 //--------------------------------------------------------------------------------------------------910 //--------------------------------------------------------------------------------------------------921 //--------------------------------------------------------------------------------------------------927 //--------------------------------------------------------------------------------------------------938 * @warning This function may be subject to limitations depending on the platform. Please refer to941 //--------------------------------------------------------------------------------------------------948 //--------------------------------------------------------------------------------------------------959 //--------------------------------------------------------------------------------------------------965 //--------------------------------------------------------------------------------------------------974 * @Note This API can be used to restart the GNSS device. It is equivalent calling le_gnss_Stop()977 //--------------------------------------------------------------------------------------------------983 //--------------------------------------------------------------------------------------------------995 //--------------------------------------------------------------------------------------------------1001 //--------------------------------------------------------------------------------------------------1011 //--------------------------------------------------------------------------------------------------1017 //--------------------------------------------------------------------------------------------------1027 //--------------------------------------------------------------------------------------------------1033 //--------------------------------------------------------------------------------------------------1046 //--------------------------------------------------------------------------------------------------1053 //--------------------------------------------------------------------------------------------------1066 //--------------------------------------------------------------------------------------------------1072 //--------------------------------------------------------------------------------------------------1085 //--------------------------------------------------------------------------------------------------1091 //--------------------------------------------------------------------------------------------------1103 * @warning This function may be subject to limitations depending on the platform. Please refer to1109 //--------------------------------------------------------------------------------------------------1116 //--------------------------------------------------------------------------------------------------1128 //--------------------------------------------------------------------------------------------------1135 //--------------------------------------------------------------------------------------------------1145 //--------------------------------------------------------------------------------------------------1154 //--------------------------------------------------------------------------------------------------1158 //--------------------------------------------------------------------------------------------------1165 //--------------------------------------------------------------------------------------------------1172 * @note If the caller is passing an invalid Position sample reference or a null pointer into this1175 //--------------------------------------------------------------------------------------------------1184 //--------------------------------------------------------------------------------------------------1208 //--------------------------------------------------------------------------------------------------1221 //--------------------------------------------------------------------------------------------------1230 * @note Altitude is in meters, above Mean Sea Level, with 3 decimal places (3047 = 3.047 meters).1247 //--------------------------------------------------------------------------------------------------1258 //--------------------------------------------------------------------------------------------------1267 * @note If the caller is passing an invalid Position sample reference or null pointers into this1271 //--------------------------------------------------------------------------------------------------1286 //--------------------------------------------------------------------------------------------------1295 * @note If the caller is passing an invalid Position sample reference or null pointers into this1298 //--------------------------------------------------------------------------------------------------1309 //--------------------------------------------------------------------------------------------------1321 * @note If the caller is passing an invalid position sample reference or a null pointer into this1324 //--------------------------------------------------------------------------------------------------1333 //--------------------------------------------------------------------------------------------------1342 * @note If the caller is passing an invalid position sample reference or a null pointer into this1345 //--------------------------------------------------------------------------------------------------1354 //--------------------------------------------------------------------------------------------------1363 * @note The leap seconds in advance is the accumulated time in seconds since the start of GPS Epoch1366 * @note Insertion of each UTC leap second is usually decided about six months in advance by the1369 * @note If the caller is passing an invalid position sample reference or a null pointer into this1374 //--------------------------------------------------------------------------------------------------1383 //--------------------------------------------------------------------------------------------------1393 * @note Insertion of each UTC leap second is usually decided about six months in advance by the1399 * @note If the return value of a parameter is INT32_MAX/UINT64_MAX, the parameter is not valid.1401 //--------------------------------------------------------------------------------------------------1417 //--------------------------------------------------------------------------------------------------1426 * @note If the caller is passing an invalid Position sample reference or null pointers into this1429 //--------------------------------------------------------------------------------------------------1442 //--------------------------------------------------------------------------------------------------1452 * @note Horizontal speed is in meters/second with 2 decimal places (3047 = 30.47 meters/second).1454 * @note Horizontal speed accuracy estimate is default set to meters/second with 1 decimal place1468 //--------------------------------------------------------------------------------------------------1479 //--------------------------------------------------------------------------------------------------1507 //--------------------------------------------------------------------------------------------------1519 //--------------------------------------------------------------------------------------------------1521 * Get the position sample's direction. Direction of movement is the direction that the vehicle or1529 * @note Direction and direction accuracy are given in degrees with 1 decimal place: 1755 = 175.51541 //--------------------------------------------------------------------------------------------------1554 //--------------------------------------------------------------------------------------------------1576 //--------------------------------------------------------------------------------------------------1616 //--------------------------------------------------------------------------------------------------1621 //--------------------------------------------------------------------------------------------------1628 //--------------------------------------------------------------------------------------------------1643 //--------------------------------------------------------------------------------------------------1656 //--------------------------------------------------------------------------------------------------1671 //--------------------------------------------------------------------------------------------------1682 //--------------------------------------------------------------------------------------------------1694 * @note For a 2D position fix, the altitude with respect to the WGS-84 ellipsoid will be indicated1700 //--------------------------------------------------------------------------------------------------1710 //--------------------------------------------------------------------------------------------------1726 //--------------------------------------------------------------------------------------------------1735 //--------------------------------------------------------------------------------------------------1745 //--------------------------------------------------------------------------------------------------1751 //--------------------------------------------------------------------------------------------------1758 //--------------------------------------------------------------------------------------------------1765 //--------------------------------------------------------------------------------------------------1778 //--------------------------------------------------------------------------------------------------1785 //--------------------------------------------------------------------------------------------------1796 //--------------------------------------------------------------------------------------------------1803 //--------------------------------------------------------------------------------------------------1821 //--------------------------------------------------------------------------------------------------1828 //--------------------------------------------------------------------------------------------------1844 //--------------------------------------------------------------------------------------------------1856 //--------------------------------------------------------------------------------------------------1867 //--------------------------------------------------------------------------------------------------1875 //--------------------------------------------------------------------------------------------------1887 * @warning This function may be subject to limitations depending on the platform. 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//--------------------------------------------------------------------------------------------------2143 //--------------------------------------------------------------------------------------------------le_result_t le_gnss_GetConstellation(le_gnss_ConstellationBitMask_t *constellationMaskPtr)le_result_t le_gnss_Enable(void)le_result_t le_gnss_GetExternalLna(uint8_t *lnaStatusPtr)le_result_t le_gnss_ForceHotRestart(void)le_result_t le_gnss_SetAcquisitionRate(uint32_t rate)le_result_t le_gnss_GetEpochTime(le_gnss_SampleRef_t positionSampleRef, uint64_t *millisecondsPtr)le_result_t le_gnss_GetSuplAssistedMode(le_gnss_AssistedMode_t *assistedModePtr)void le_gnss_RemovePositionHandler(le_gnss_PositionHandlerRef_t handlerRef)le_result_t le_gnss_GetExtendedEphemerisValidity(uint64_t *startTimePtr, uint64_t *stopTimePtr)le_result_t le_gnss_GetTtff(uint32_t *ttffPtr)le_result_t le_gnss_ForceColdRestart(void)le_result_t le_gnss_GetAltitude(le_gnss_SampleRef_t positionSampleRef, int32_t *altitudePtr, int32_t *vAccuracyPtr)le_result_t le_gnss_SetSuplServerUrl(const char *LE_NONNULL suplServerUrl)le_result_t le_gnss_GetMinElevation(uint8_t *minElevationPtrPtr)le_result_t le_gnss_ForceWarmRestart(void)le_result_t le_gnss_GetPositionState(le_gnss_SampleRef_t positionSampleRef, le_gnss_FixState_t *statePtr)le_result_t le_gnss_EnableExtendedEphemerisFile(void)le_gnss_State_t le_gnss_GetState(void)le_result_t le_gnss_SetConstellation(le_gnss_ConstellationBitMask_t constellationMask)le_result_t le_gnss_GetSatellitesInfo(le_gnss_SampleRef_t positionSampleRef, uint16_t *satIdPtr, size_t *satIdSizePtr, le_gnss_Constellation_t *satConstPtr, size_t *satConstSizePtr, bool *satUsedPtr, size_t *satUsedSizePtr, uint8_t *satSnrPtr, size_t *satSnrSizePtr, uint16_t *satAzimPtr, size_t *satAzimSizePtr, uint8_t *satElevPtr, size_t *satElevSizePtr)le_result_t le_gnss_StartMode(le_gnss_StartMode_t mode)void le_gnss_ConnectService(void)le_result_t le_gnss_SetNmeaSentences(le_gnss_NmeaBitMask_t nmeaMask)void le_gnss_DisconnectService(void)le_result_t le_gnss_DisableExternalLna(void)le_result_t le_gnss_GetNmeaSentences(le_gnss_NmeaBitMask_t *nmeaMaskPtrPtr)le_result_t le_gnss_SetMinElevation(uint8_t minElevation)le_gnss_SbasConstellationCategory_tDefinition: le_gnss_common.h:214le_gnss_SbasConstellationCategory_t le_gnss_GetSbasConstellationCategory(uint16_t satId)le_result_t le_gnss_GetSatellitesStatus(le_gnss_SampleRef_t positionSampleRef, uint8_t *satsInViewCountPtr, uint8_t *satsTrackingCountPtr, uint8_t *satsUsedCountPtr)le_result_t le_gnss_SetConstellationArea(le_gnss_Constellation_t satConstellation, le_gnss_ConstellationArea_t constellationArea)le_result_t le_gnss_TryConnectService(void)le_result_t le_gnss_InjectSuplCertificate(uint8_t suplCertificateId, uint16_t suplCertificateLen, const char *LE_NONNULL suplCertificate)le_result_t le_gnss_GetMagneticDeviation(le_gnss_SampleRef_t positionSampleRef, int32_t *magneticDeviationPtr)le_result_t le_gnss_ConvertDataCoordinateSystem(le_gnss_CoordinateSystem_t coordinateSrc, le_gnss_CoordinateSystem_t coordinateDst, le_gnss_LocationDataType_t locationDataType, int64_t locationDataSrc, int64_t *locationDataDstPtr)le_result_t le_gnss_GetSupportedNmeaSentences(le_gnss_NmeaBitMask_t *NmeaMaskPtr)le_result_t le_gnss_GetSupportedConstellations(le_gnss_ConstellationBitMask_t *constellationMaskPtr)le_result_t le_gnss_GetMinNmeaRate(uint32_t *minNmeaRatePtr)le_result_t le_gnss_GetTime(le_gnss_SampleRef_t positionSampleRef, uint16_t *hoursPtr, uint16_t *minutesPtr, uint16_t *secondsPtr, uint16_t *millisecondsPtr)le_result_t le_gnss_GetLocation(le_gnss_SampleRef_t positionSampleRef, int32_t *latitudePtr, int32_t *longitudePtr, int32_t *hAccuracyPtr)le_result_t le_gnss_GetAltitudeOnWgs84(le_gnss_SampleRef_t positionSampleRef, int32_t *altitudeOnWgs84Ptr)le_result_t le_gnss_Stop(void)le_result_t le_gnss_GetAcquisitionRate(uint32_t *ratePtr)void(* le_gnss_PositionHandlerFunc_t)(le_gnss_SampleRef_t positionSampleRef, void *contextPtr)Definition: le_gnss_common.h:458le_result_t le_gnss_GetMaxNmeaRate(uint32_t *maxNmeaRatePtr)le_result_t le_gnss_GetVerticalSpeed(le_gnss_SampleRef_t positionSampleRef, int32_t *vspeedPtr, int32_t *vspeedAccuracyPtr)LE_FULL_API void le_gnss_SetServerDisconnectHandler(le_gnss_DisconnectHandler_t disconnectHandler, void *contextPtr)le_result_t le_gnss_GetGpsLeapSeconds(le_gnss_SampleRef_t positionSampleRef, uint8_t *leapSecondsPtr)le_result_t le_gnss_Disable(void)void le_gnss_ReleaseSampleRef(le_gnss_SampleRef_t positionSampleRef)void(* le_gnss_DisconnectHandler_t)(void *)Definition: le_gnss_interface.h:527le_result_t le_gnss_GetHorizontalSpeed(le_gnss_SampleRef_t positionSampleRef, uint32_t *hspeedPtr, uint32_t *hspeedAccuracyPtr)struct le_gnss_PositionHandler * le_gnss_PositionHandlerRef_tDefinition: le_gnss_common.h:448le_result_t le_gnss_InjectUtcTime(uint64_t timeUtc, uint32_t timeUnc)le_gnss_SampleRef_t le_gnss_GetLastSampleRef(void)le_result_t le_gnss_GetGpsTime(le_gnss_SampleRef_t positionSampleRef, uint32_t *gpsWeekPtr, uint32_t *gpsTimeOfWeekPtr)le_result_t le_gnss_DeleteSuplCertificate(uint8_t suplCertificateId)le_result_t le_gnss_LoadExtendedEphemerisFile(int fd)le_result_t le_gnss_SetDopResolution(le_gnss_Resolution_t resolution)le_result_t le_gnss_SetDataResolution(le_gnss_DataType_t dataType, le_gnss_Resolution_t resolution)le_gnss_PositionHandlerRef_t le_gnss_AddPositionHandler(le_gnss_PositionHandlerFunc_t handlerPtr, void *contextPtr)le_result_t le_gnss_Start(void)le_result_t le_gnss_EnableExternalLna(void)le_result_t le_gnss_GetDate(le_gnss_SampleRef_t positionSampleRef, uint16_t *yearPtr, uint16_t *monthPtr, uint16_t *dayPtr)le_result_t le_gnss_DisableExtendedEphemerisFile(void)le_result_t le_gnss_GetDirection(le_gnss_SampleRef_t positionSampleRef, uint32_t *directionPtr, uint32_t *directionAccuracyPtr)le_result_t le_gnss_ForceFactoryRestart(void)le_result_t le_gnss_SetSuplAssistedMode(le_gnss_AssistedMode_t assistedMode)le_result_t le_gnss_GetLeapSeconds(uint64_t *gpsTimePtr, int32_t *currentLeapSecondsPtr, uint64_t *changeEventTimePtr, int32_t *nextLeapSecondsPtr)le_result_t le_gnss_GetDilutionOfPrecision(le_gnss_SampleRef_t positionSampleRef, le_gnss_DopType_t dopType, uint16_t *dopPtr)le_result_t le_gnss_GetTimeAccuracy(le_gnss_SampleRef_t positionSampleRef, uint32_t *timeAccuracyPtr)le_result_t le_gnss_GetConstellationArea(le_gnss_Constellation_t satConstellation, le_gnss_ConstellationArea_t *constellationAreaPtr)