#include "legato.h"

Macros
#define	LE_GNSS_SUPL_SERVER_URL_MAX_LEN 256

#define	LE_GNSS_SUPL_SERVER_URL_MAX_BYTES 257

#define	LE_GNSS_SUPL_CERTIFICATE_MAX_LEN 2000

#define	LE_GNSS_SUPL_CERTIFICATE_MAX_BYTES 2001

#define	LE_GNSS_SV_INFO_MAX_LEN 80

Typedefs
typedef struct le_gnss_Sample *	le_gnss_SampleRef_t

typedef struct le_gnss_PositionHandler *	le_gnss_PositionHandlerRef_t

typedef void(*	le_gnss_PositionHandlerFunc_t) (le_gnss_SampleRef_t positionSampleRef, void *contextPtr)

Enumerations
enum	le_gnss_FixState_t { LE_GNSS_STATE_FIX_NO_POS = 0, LE_GNSS_STATE_FIX_2D = 1, LE_GNSS_STATE_FIX_3D = 2, LE_GNSS_STATE_FIX_ESTIMATED = 3 }

enum	le_gnss_Constellation_t { LE_GNSS_SV_CONSTELLATION_UNDEFINED = 0, LE_GNSS_SV_CONSTELLATION_GPS = 1, LE_GNSS_SV_CONSTELLATION_SBAS = 2, LE_GNSS_SV_CONSTELLATION_GLONASS = 3, LE_GNSS_SV_CONSTELLATION_GALILEO = 4, LE_GNSS_SV_CONSTELLATION_MAX = 5 }

enum	le_gnss_AssistedMode_t { LE_GNSS_STANDALONE_MODE = 0, LE_GNSS_MS_BASED_MODE = 1, LE_GNSS_MS_ASSISTED_MODE = 2 }

enum	le_gnss_ConstellationBitMask_t { LE_GNSS_CONSTELLATION_GPS = 0x1, LE_GNSS_CONSTELLATION_GLONASS = 0x2, LE_GNSS_CONSTELLATION_BEIDOU = 0x4, LE_GNSS_CONSTELLATION_GALILEO = 0x8 }

Functions
void	le_gnss_ConnectService (void)

le_result_t	le_gnss_TryConnectService (void)

void	le_gnss_DisconnectService (void)

le_result_t	le_gnss_SetConstellation (le_gnss_ConstellationBitMask_t constellationMask)

le_result_t	le_gnss_GetConstellation (le_gnss_ConstellationBitMask_t *constellationMaskPtr)

le_result_t	le_gnss_EnableExtendedEphemerisFile (void)

le_result_t	le_gnss_DisableExtendedEphemerisFile (void)

le_result_t	le_gnss_LoadExtendedEphemerisFile (int fd)

le_result_t	le_gnss_GetExtendedEphemerisValidity (uint64_t startTimePtr, uint64_t stopTimePtr)

le_result_t	le_gnss_Start (void)

le_result_t	le_gnss_Stop (void)

le_result_t	le_gnss_ForceHotRestart (void)

le_result_t	le_gnss_ForceWarmRestart (void)

le_result_t	le_gnss_ForceColdRestart (void)

le_result_t	le_gnss_ForceFactoryRestart (void)

le_result_t	le_gnss_GetTtff (uint32_t *ttffPtr)

le_result_t	le_gnss_Enable (void)

le_result_t	le_gnss_Disable (void)

le_result_t	le_gnss_SetAcquisitionRate (uint32_t rate)

le_result_t	le_gnss_GetAcquisitionRate (uint32_t *ratePtr)

le_gnss_PositionHandlerRef_t	le_gnss_AddPositionHandler (le_gnss_PositionHandlerFunc_t handlerPtr, void *contextPtr)

void	le_gnss_RemovePositionHandler (le_gnss_PositionHandlerRef_t addHandlerRef)

le_result_t	le_gnss_GetPositionState (le_gnss_SampleRef_t positionSampleRef, le_gnss_FixState_t *statePtr)

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_GetAltitude (le_gnss_SampleRef_t positionSampleRef, int32_t altitudePtr, int32_t vAccuracyPtr)

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_GetGpsTime (le_gnss_SampleRef_t positionSampleRef, uint32_t gpsWeekPtr, uint32_t gpsTimeOfWeekPtr)

le_result_t	le_gnss_GetTimeAccuracy (le_gnss_SampleRef_t positionSampleRef, uint32_t *timeAccuracyPtr)

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_GetHorizontalSpeed (le_gnss_SampleRef_t positionSampleRef, uint32_t hspeedPtr, uint32_t hspeedAccuracyPtr)

le_result_t	le_gnss_GetVerticalSpeed (le_gnss_SampleRef_t positionSampleRef, int32_t vspeedPtr, int32_t vspeedAccuracyPtr)

le_result_t	le_gnss_GetDirection (le_gnss_SampleRef_t positionSampleRef, int32_t directionPtr, int32_t directionAccuracyPtr)

le_result_t	le_gnss_GetSatellitesInfo (le_gnss_SampleRef_t positionSampleRef, uint16_t satIdPtr, size_t satIdNumElementsPtr, le_gnss_Constellation_t satConstPtr, size_t satConstNumElementsPtr, bool satUsedPtr, size_t satUsedNumElementsPtr, uint8_t satSnrPtr, size_t satSnrNumElementsPtr, uint16_t satAzimPtr, size_t satAzimNumElementsPtr, uint8_t satElevPtr, size_t satElevNumElementsPtr)

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_GetDop (le_gnss_SampleRef_t positionSampleRef, uint16_t hdopPtr, uint16_t vdopPtr, uint16_t *pdopPtr)

void	le_gnss_ReleaseSampleRef (le_gnss_SampleRef_t positionSampleRef)

le_result_t	le_gnss_SetSuplAssistedMode (le_gnss_AssistedMode_t assistedMode)

le_result_t	le_gnss_GetSuplAssistedMode (le_gnss_AssistedMode_t *assistedModePtr)

le_result_t	le_gnss_SetSuplServerUrl (const char *suplServerUrl)

le_result_t	le_gnss_InjectSuplCertificate (uint8_t suplCertificateId, uint16_t suplCertificateLen, const char *suplCertificate)

le_result_t	le_gnss_DeleteSuplCertificate (uint8_t suplCertificateId)

Detailed Description

Legato GNSS include file.

Copyright (C) Sierra Wireless Inc. Use of this work is subject to license.

Macro Definition Documentation

#define LE_GNSS_SUPL_CERTIFICATE_MAX_BYTES 2001

Maximum SUPL certificate string size. One extra byte is added for the null character.

#define LE_GNSS_SUPL_CERTIFICATE_MAX_LEN 2000

Maximum SUPL certificate size.

#define LE_GNSS_SUPL_SERVER_URL_MAX_BYTES 257

Maximum length of the SUP Server URL string. One extra byte is added for the null character.

#define LE_GNSS_SUPL_SERVER_URL_MAX_LEN 256

Maximum length of the SUP Server URL string.

#define LE_GNSS_SV_INFO_MAX_LEN 80

Define the maximum length of the Satellites Vehicle information list

Typedef Documentation

typedef void(* le_gnss_PositionHandlerFunc_t) (le_gnss_SampleRef_t positionSampleRef, void *contextPtr)

Handler for position information.

Parameters

positionSampleRef	Position's sample reference
contextPtr

typedef struct le_gnss_PositionHandler* le_gnss_PositionHandlerRef_t

Reference type used by Add/Remove functions for EVENT 'le_gnss_Position'

typedef struct le_gnss_Sample* le_gnss_SampleRef_t

Reference type for dealing with GNSS position samples.

Enumeration Type Documentation

enum le_gnss_AssistedMode_t

Assisted-GNSS mode

Enumerator
LE_GNSS_STANDALONE_MODE	Standalone mode.
LE_GNSS_MS_BASED_MODE	MS-Based mode.
LE_GNSS_MS_ASSISTED_MODE	MS-Assisted mode.

enum le_gnss_Constellation_t

GNSS constellation type.

Enumerator
LE_GNSS_SV_CONSTELLATION_UNDEFINED	GNSS constellation field not defined.
LE_GNSS_SV_CONSTELLATION_GPS	Satellite Vehicle of GPS constellation.
LE_GNSS_SV_CONSTELLATION_SBAS	Satellite Vehicle of SBAS constellation.
LE_GNSS_SV_CONSTELLATION_GLONASS	Satellite Vehicle of Glonass constellation.
LE_GNSS_SV_CONSTELLATION_GALILEO	Satellite Vehicle of Galileo constellation.
LE_GNSS_SV_CONSTELLATION_MAX	Maximum value.

enum le_gnss_ConstellationBitMask_t

GNSS constellation Bit Mask (8 bits) indicating the GNSS constellation(s) used in solution.

Enumerator
LE_GNSS_CONSTELLATION_GPS	GPS constellation used in solution.
LE_GNSS_CONSTELLATION_GLONASS	GLONASS constellation used in solution.
LE_GNSS_CONSTELLATION_BEIDOU	BEIDOU constellation used in solution.
LE_GNSS_CONSTELLATION_GALILEO	GALILEO constellation used in solution.

enum le_gnss_FixState_t

GNSS fix position states.

Enumerator
LE_GNSS_STATE_FIX_NO_POS	The GNSS fix position is not fixed.
LE_GNSS_STATE_FIX_2D	2-Dimensional position fix.
LE_GNSS_STATE_FIX_3D	3-Dimensional position fix.
LE_GNSS_STATE_FIX_ESTIMATED	Estimated (i.e. forward predicted) position fix.

Function Documentation

le_gnss_PositionHandlerRef_t le_gnss_AddPositionHandler	(	le_gnss_PositionHandlerFunc_t	handlerPtr,
		void *	contextPtr
	)

Add handler function for EVENT 'le_gnss_Position'

This event provides information on position.

A handler reference, which is only needed for later removal of the handler.

Note: Doesn't return on failure, so there's no need to check the return value for errors.

Parameters

[in]	handlerPtr
[in]	contextPtr

void le_gnss_ConnectService ( void )

Connect the current client thread to the service providing this API. Block until the service is available.

For each thread that wants to use this API, either ConnectService or TryConnectService must be called before any other functions in this API. Normally, ConnectService is automatically called for the main thread, but not for any other thread. For details, see Client-specific Functions.

This function is created automatically.

le_result_t le_gnss_DeleteSuplCertificate ( uint8_t suplCertificateId )

This function deletes the SUPL certificate.

Returns

LE_OK on success
LE_FAULT on failure
LE_BUSY service is busy
LE_TIMEOUT a time-out occurred

Parameters

[in] suplCertificateId ID of the SUPL certificate. Certificate ID range is 0 to 9

le_result_t le_gnss_Disable ( void )

This function disables the GNSS device.

Returns

LE_FAULT The function failed.
LE_DUPLICATE If the GNSS device is already disabled.
LE_NOT_PERMITTED If the GNSS device is not initialized or started.
LE_OK The function succeeded.

le_result_t le_gnss_DisableExtendedEphemerisFile ( void )

This function disables the use of the 'Extended Ephemeris' file into the GNSS device.

Returns

LE_FAULT The function failed.
LE_OK The function succeeded.

void le_gnss_DisconnectService ( void )

Disconnect the current client thread from the service providing this API.

Normally, this function doesn't need to be called. After this function is called, there's no longer a connection to the service, and the functions in this API can't be used. For details, see Client-specific Functions.

This function is created automatically.

le_result_t le_gnss_Enable ( void )

This function enables the GNSS device.

Returns

LE_FAULT The function failed.
LE_DUPLICATE If the GNSS device is already enabled.
LE_NOT_PERMITTED If the GNSS device is not initialized.
LE_OK The function succeeded.

le_result_t le_gnss_EnableExtendedEphemerisFile ( void )

This function enables the use of the 'Extended Ephemeris' file into the GNSS device.

Returns

LE_FAULT The function failed.
LE_OK The function succeeded.

le_result_t le_gnss_ForceColdRestart ( void )

This function performs a "COLD" restart of the GNSS device.

Returns

LE_FAULT The function failed.
LE_NOT_PERMITTED If the GNSS device is not enabled or not started.
LE_OK The function succeeded.

le_result_t le_gnss_ForceFactoryRestart ( void )

This function performs a "FACTORY" restart of the GNSS device.

Returns

LE_FAULT The function failed.
LE_NOT_PERMITTED If the GNSS device is not enabled or not started.
LE_OK The function succeeded.

le_result_t le_gnss_ForceHotRestart ( void )

This function performs a "HOT" restart of the GNSS device.

Returns

LE_FAULT The function failed.
LE_NOT_PERMITTED If the GNSS device is not enabled or not started.
LE_OK The function succeeded.

le_result_t le_gnss_ForceWarmRestart ( void )

This function performs a "WARM" restart of the GNSS device.

Returns

LE_FAULT The function failed.
LE_NOT_PERMITTED If the GNSS device is not enabled or not started.
LE_OK The function succeeded.

le_result_t le_gnss_GetAcquisitionRate ( uint32_t * ratePtr )

This function gets the GNSS device acquisition rate.

Returns

LE_OK on success
LE_FAULT on failure
LE_NOT_PERMITTED If the GNSS device is not in "ready" state.

Parameters

[out] ratePtr Acquisition rate in milliseconds.

le_result_t le_gnss_GetAltitude	(	le_gnss_SampleRef_t	positionSampleRef,
		int32_t *	altitudePtr,
		int32_t *	vAccuracyPtr
	)

Get the position sample's altitude.

Returns

LE_FAULT Function failed to get the altitude.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT32_MAX).
LE_OK Function succeeded.

Note: Altitude is in metres, above Mean Sea Level, with 3 decimal places (3047 = 3.047 metres).; For a 2D position fix, the altitude will be indicated as invalid and set to INT32_MAX; If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.; altitudePtr, altitudeAccuracyPtr can be set to NULL if not needed.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	altitudePtr	Altitude in metres, above Mean Sea Level [resolution 1e-3].
[out]	vAccuracyPtr	Vertical position's accuracy in metres [resolution 1e-1].

le_result_t le_gnss_GetConstellation ( le_gnss_ConstellationBitMask_t * constellationMaskPtr )

Get the GNSS constellation bit mask

Returns

LE_OK on success
LE_FAULT on failure

Parameters

[out] constellationMaskPtr GNSS constellation used in solution.

le_result_t le_gnss_GetDate	(	le_gnss_SampleRef_t	positionSampleRef,
		uint16_t *	yearPtr,
		uint16_t *	monthPtr,
		uint16_t *	dayPtr
	)

Get the position sample's date.

Returns

LE_FAULT Function failed to get the date.
LE_OUT_OF_RANGE The retrieved date is invalid (all fields are set to 0).
LE_OK Function succeeded.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	yearPtr	UTC Year A.D. [e.g. 2014].
[out]	monthPtr	UTC Month into the year [range 1...12].
[out]	dayPtr	UTC Days into the month [range 1...31].

le_result_t le_gnss_GetDirection	(	le_gnss_SampleRef_t	positionSampleRef,
		int32_t *	directionPtr,
		int32_t *	directionAccuracyPtr
	)

Get the position sample's direction. Direction of movement is the direction that the vehicle/person is actually moving.

Returns

LE_FAULT Function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT32_MAX).
LE_OK Function succeeded.

Note: directionPtr, directionAccuracyPtr can be set to NULL if not needed.; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	directionPtr	Direction in degrees [resolution 1e-1]. (where 0 is True North)
[out]	directionAccuracyPtr	Direction's accuracy estimate in degrees [resolution 1e-1].

le_result_t le_gnss_GetDop	(	le_gnss_SampleRef_t	positionSampleRef,
		uint16_t *	hdopPtr,
		uint16_t *	vdopPtr,
		uint16_t *	pdopPtr
	)

Get the DOP parameters (Dilution Of Precision) for the fixed position.

Returns

LE_FAULT Function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT16_MAX).
LE_OK Function succeeded.

Note: The DOP values are given with 3 decimal places like: DOP value 2200 = 2.20; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	hdopPtr	Horizontal Dilution of Precision [resolution 1e-3].
[out]	vdopPtr	Vertical Dilution of Precision [resolution 1e-3].
[out]	pdopPtr	Position Dilution of Precision [resolution 1e-3].

le_result_t le_gnss_GetExtendedEphemerisValidity	(	uint64_t *	startTimePtr,
		uint64_t *	stopTimePtr
	)

This function must be called to get the validity of the last injected Extended Ephemeris.

Returns

LE_FAULT The function failed to get the validity
LE_OK The function succeeded.

Parameters

[out]	startTimePtr	Start time in seconds (since Jan. 1, 1970)
[out]	stopTimePtr	Stop time in seconds (since Jan. 1, 1970)

le_result_t le_gnss_GetGpsTime	(	le_gnss_SampleRef_t	positionSampleRef,
		uint32_t *	gpsWeekPtr,
		uint32_t *	gpsTimeOfWeekPtr
	)

Get the position sample's GPS time.

Returns

LE_FAULT Function failed to get the time.
LE_OUT_OF_RANGE The retrieved time is invalid (all fields are set to 0).
LE_OK Function succeeded.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	gpsWeekPtr	GPS week number from midnight, Jan. 6, 1980.
[out]	gpsTimeOfWeekPtr	Amount of time in milliseconds into the GPS week.

le_result_t le_gnss_GetHorizontalSpeed	(	le_gnss_SampleRef_t	positionSampleRef,
		uint32_t *	hspeedPtr,
		uint32_t *	hspeedAccuracyPtr
	)

Get the position sample's horizontal speed.

LE_FAULT Function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to UINT32_MAX).
LE_OK Function succeeded.

Note: hSpeedPtr, hSpeedAccuracyPtr can be set to NULL if not needed.; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	hspeedPtr	Horizontal speed in meters/second [resolution 1e-2].
[out]	hspeedAccuracyPtr	Horizontal speed's accuracy estimate in meters/second [resolution 1e-1].

le_result_t le_gnss_GetLocation	(	le_gnss_SampleRef_t	positionSampleRef,
		int32_t *	latitudePtr,
		int32_t *	longitudePtr,
		int32_t *	hAccuracyPtr
	)

Get the location's data (Latitude, Longitude, Horizontal accuracy).

Returns

LE_FAULT Function failed to get the location's data
LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT32_MAX).
LE_OK Function succeeded.

Note: latitudePtr, longitudePtr, hAccuracyPtr, altitudePtr, vAccuracyPtr can be set to NULL if not needed.; : The latitude and longitude values are based on the WGS84 standard coordinate system.; The latitude and longitude are given in degrees with 6 decimal places like: Latitude +48858300 = 48.858300 degrees North Longitude +2294400 = 2.294400 degrees East; Altitude is in metres, above Mean Sea Level, with 3 decimal places (3047 = 3.047 metres).; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	latitudePtr	WGS84 Latitude in degrees, positive North [resolution 1e-6].
[out]	longitudePtr	WGS84 Longitude in degrees, positive East [resolution 1e-6].
[out]	hAccuracyPtr	Horizontal position's accuracy in metres [resolution 1e-2].

le_result_t le_gnss_GetPositionState	(	le_gnss_SampleRef_t	positionSampleRef,
		le_gnss_FixState_t *	statePtr
	)

This function gets the position sample's fix state

LE_OK on success
LE_FAULT on failure

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	statePtr	Position fix state.

le_result_t le_gnss_GetSatellitesInfo	(	le_gnss_SampleRef_t	positionSampleRef,
		uint16_t *	satIdPtr,
		size_t *	satIdNumElementsPtr,
		le_gnss_Constellation_t *	satConstPtr,
		size_t *	satConstNumElementsPtr,
		bool *	satUsedPtr,
		size_t *	satUsedNumElementsPtr,
		uint8_t *	satSnrPtr,
		size_t *	satSnrNumElementsPtr,
		uint16_t *	satAzimPtr,
		size_t *	satAzimNumElementsPtr,
		uint8_t *	satElevPtr,
		size_t *	satElevNumElementsPtr
	)

Get the Satellites Vehicle information.

Returns

LE_FAULT Function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid.
LE_OK Function succeeded.

Note: satId[] can be set to 0 if that information list index is not configured, so all satellite parameters (satConst[], satSnr[],satAzim[], satElev[]) are fixed to 0.; For LE_OUT_OF_RANGE returned code, invalid value depends on field type: UINT16_MAX for satId, LE_GNSS_SV_CONSTELLATION_UNDEFINED for satConst, false for satUsed, UINT8_MAX for satSnr, UINT16_MAX for satAzim, UINT8_MAX for satElev.; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	satIdPtr	Satellites in View ID number, referring to NMEA standard.
[in,out]	satIdNumElementsPtr
[out]	satConstPtr	GNSS constellation type.
[in,out]	satConstNumElementsPtr
[out]	satUsedPtr	TRUE if satellite in View Used for Navigation.
[in,out]	satUsedNumElementsPtr
[out]	satSnrPtr	Satellites in View Signal To Noise Ratio [dBHz].
[in,out]	satSnrNumElementsPtr
[out]	satAzimPtr	Satellites in View Azimuth [degrees]. Range: 0 to 360 If Azimuth angle is currently unknown, the value is set to UINT16_MAX.
[in,out]	satAzimNumElementsPtr
[out]	satElevPtr	Satellites in View Elevation [degrees]. Range: 0 to 90 If Elevation angle is currently unknown, the value is set to UINT8_MAX.
[in,out]	satElevNumElementsPtr

le_result_t le_gnss_GetSatellitesStatus	(	le_gnss_SampleRef_t	positionSampleRef,
		uint8_t *	satsInViewCountPtr,
		uint8_t *	satsTrackingCountPtr,
		uint8_t *	satsUsedCountPtr
	)

Get the Satellites Vehicle status.

Returns

LE_FAULT Function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is invalid.
LE_OK Function succeeded.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	satsInViewCountPtr	Number of satellites expected to be in view.
[out]	satsTrackingCountPtr	Number of satellites in view, when tracking.
[out]	satsUsedCountPtr	Number of satellites in view used for Navigation.

le_result_t le_gnss_GetSuplAssistedMode ( le_gnss_AssistedMode_t * assistedModePtr )

This function gets the SUPL Assisted-GNSS mode.

Returns

LE_OK on success
LE_FAULT on failure

Parameters

[out] assistedModePtr Assisted-GNSS mode.

le_result_t le_gnss_GetTime	(	le_gnss_SampleRef_t	positionSampleRef,
		uint16_t *	hoursPtr,
		uint16_t *	minutesPtr,
		uint16_t *	secondsPtr,
		uint16_t *	millisecondsPtr
	)

Get the position sample's time.

Returns

LE_FAULT Function failed to get the time.
LE_OUT_OF_RANGE The retrieved time is invalid (all fields are set to 0).
LE_OK Function succeeded.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	hoursPtr	UTC Hours into the day [range 0..23].
[out]	minutesPtr	UTC Minutes into the hour [range 0..59].
[out]	secondsPtr	UTC Seconds into the minute [range 0..59].
[out]	millisecondsPtr	UTC Milliseconds into the second [range 0..999].

le_result_t le_gnss_GetTimeAccuracy	(	le_gnss_SampleRef_t	positionSampleRef,
		uint32_t *	timeAccuracyPtr
	)

Get the position sample's time accurary.

Returns

LE_FAULT Function failed to get the time.
LE_OUT_OF_RANGE The retrieved time accuracy is invalid (set to UINT16_MAX).
LE_OK Function succeeded.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	timeAccuracyPtr	Estimated time accuracy in milliseconds

le_result_t le_gnss_GetTtff ( uint32_t * ttffPtr )

Get the TTFF in milliseconds

Returns

LE_BUSY The position is not fixed and TTFF can't be measured.
LE_NOT_PERMITTED If the GNSS device is not enabled or not started.
LE_OK Function succeeded.

Parameters

[out] ttffPtr TTFF in milliseconds

le_result_t le_gnss_GetVerticalSpeed	(	le_gnss_SampleRef_t	positionSampleRef,
		int32_t *	vspeedPtr,
		int32_t *	vspeedAccuracyPtr
	)

Get the position sample's vertical speed.

Returns

LE_FAULT The function failed to find the positionSample.
LE_OUT_OF_RANGE One of the retrieved parameter is not valid (set to INT32_MAX).
LE_OK The function succeeded.

Note: vSpeedPtr, vSpeedAccuracyPtr can be set to NULL if not needed.; For a 2D position Fix, the vertical speed will be indicated as invalid and set to INT32_MAX.; If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in]	positionSampleRef	Position sample's reference.
[out]	vspeedPtr	Vertical speed in meters/second [resolution 1e-2].
[out]	vspeedAccuracyPtr	Vertical speed's accuracy estimate in meters/second [resolution 1e-1].

le_result_t le_gnss_InjectSuplCertificate	(	uint8_t	suplCertificateId,
		uint16_t	suplCertificateLen,
		const char *	suplCertificate
	)

This function injects the SUPL certificate to be used in A-GNSS sessions.

Returns

LE_OK on success
LE_FAULT on failure
LE_BUSY service is busy
LE_TIMEOUT a time-out occurred

Parameters

[in]	suplCertificateId	ID of the SUPL certificate. Certificate ID range is 0 to 9
[in]	suplCertificateLen	SUPL certificate size in Bytes.
[in]	suplCertificate	SUPL certificate contents.

le_result_t le_gnss_LoadExtendedEphemerisFile ( int fd )

This function must be called to load an 'Extended Ephemeris' file into the GNSS device.

Returns

LE_FAULT The function failed to inject the 'Extended Ephemeris' file.
LE_TIMEOUT A time-out occurred.
LE_FORMAT_ERROR 'Extended Ephemeris' file format error.
LE_OK The function succeeded.

Parameters

[in] fd Extended ephemeris file descriptor

void le_gnss_ReleaseSampleRef ( le_gnss_SampleRef_t positionSampleRef )

This function must be called to release the position sample.

Note: If the caller is passing an invalid Position sample reference into this function, it is a fatal error, the function will not return.

Parameters

[in] positionSampleRef Position sample's reference.

void le_gnss_RemovePositionHandler ( le_gnss_PositionHandlerRef_t addHandlerRef )

Remove handler function for EVENT 'le_gnss_Position'

Parameters

[in] addHandlerRef

le_result_t le_gnss_SetAcquisitionRate ( uint32_t rate )

This function sets the GNSS device acquisition rate.

Returns

LE_OK on success
LE_FAULT on failure
LE_UNSUPPORTED request not supported
LE_TIMEOUT a time-out occurred
LE_NOT_PERMITTED If the GNSS device is not in "ready" state.

Parameters

[in] rate Acquisition rate in milliseconds.

le_result_t le_gnss_SetConstellation ( le_gnss_ConstellationBitMask_t constellationMask )

Set the GNSS constellation bit mask

Returns

LE_FAULT The function failed.
LE_UNSUPPORTED If the request is not supported.
LE_NOT_PERMITTED If the GNSS device is not initialized, disabled or active.
LE_OK The function succeeded.

Parameters

[in] constellationMask GNSS constellation used in solution.

le_result_t le_gnss_SetSuplAssistedMode ( le_gnss_AssistedMode_t assistedMode )

This function sets the SUPL Assisted-GNSS mode.

Returns

LE_OK on success
LE_FAULT on failure
LE_UNSUPPORTED request not supported
LE_TIMEOUT a time-out occurred

Parameters

[in] assistedMode Assisted-GNSS mode.

le_result_t le_gnss_SetSuplServerUrl ( const char * suplServerUrl )

This function sets the SUPL server URL. That server URL is a NULL-terminated string with a maximum string length (including NULL terminator) equal to 256. Optionally the port number is specified after a colon.

Returns

LE_OK on success
LE_FAULT on failure
LE_BUSY service is busy
LE_TIMEOUT a time-out occurred

Parameters

[in] suplServerUrl SUPL server URL.

le_result_t le_gnss_Start ( void )

This function starts the GNSS device.

Returns

LE_FAULT The function failed.
LE_DUPLICATE If the GNSS device is already started.
LE_NOT_PERMITTED If the GNSS device is not initialized or disabled.
LE_OK The function succeeded.

le_result_t le_gnss_Stop ( void )

This function stops the GNSS device.

Returns

LE_FAULT The function failed.
LE_DUPLICATE If the GNSS device is already stopped.
LE_NOT_PERMITTED If the GNSS device is not initialized or disabled.
LE_OK The function succeeded.

le_result_t le_gnss_TryConnectService ( void )

Try to connect the current client thread to the service providing this API. Return with an error if the service is not available.

For each thread that wants to use this API, either ConnectService or TryConnectService must be called before any other functions in this API. Normally, ConnectService is automatically called for the main thread, but not for any other thread. For details, see Client-specific Functions.

This function is created automatically.

Returns

LE_OK if the client connected successfully to the service.
LE_UNAVAILABLE if the server is not currently offering the service to which the client is bound.
LE_NOT_PERMITTED if the client interface is not bound to any service (doesn't have a binding).
LE_COMM_ERROR if the Service Directory cannot be reached.

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le_gnss_interface.h File Reference

Macros

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Macro Definition Documentation

Typedef Documentation

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