le_pos API Reference
Files | |
file | le_pos_common.h |
file | le_pos_interface.h |
Typedefs | |
typedef struct le_pos_Sample * | le_pos_SampleRef_t |
typedef struct le_pos_MovementHandler * | le_pos_MovementHandlerRef_t |
typedef void(* | le_pos_MovementHandlerFunc_t) (le_pos_SampleRef_t positionSampleRef, void *contextPtr) |
typedef void(* | le_pos_DisconnectHandler_t) (void *) |
Enumerations | |
enum | le_pos_FixState_t { LE_POS_STATE_NO_FIX = 0, LE_POS_STATE_FIX_2D = 1, LE_POS_STATE_FIX_3D = 2, LE_POS_STATE_FIX_ESTIMATED = 3, LE_POS_STATE_UNKNOWN = 4 } |
enum | le_pos_Resolution_t { LE_POS_RES_METER = 0, LE_POS_RES_DECIMETER = 1, LE_POS_RES_CENTIMETER = 2, LE_POS_RES_MILLIMETER = 3, LE_POS_RES_UNKNOWN = 4 } |
Functions | |
void | le_pos_ConnectService (void) |
le_result_t | le_pos_TryConnectService (void) |
LE_FULL_API void | le_pos_SetServerDisconnectHandler (le_pos_DisconnectHandler_t disconnectHandler, void *contextPtr) |
void | le_pos_DisconnectService (void) |
le_pos_MovementHandlerRef_t | le_pos_AddMovementHandler (uint32_t horizontalMagnitude, uint32_t verticalMagnitude, le_pos_MovementHandlerFunc_t handlerPtr, void *contextPtr) |
void | le_pos_RemoveMovementHandler (le_pos_MovementHandlerRef_t handlerRef) |
le_result_t | le_pos_Get2DLocation (int32_t *latitudePtr, int32_t *longitudePtr, int32_t *hAccuracyPtr) |
le_result_t | le_pos_Get3DLocation (int32_t *latitudePtr, int32_t *longitudePtr, int32_t *hAccuracyPtr, int32_t *altitudePtr, int32_t *vAccuracyPtr) |
le_result_t | le_pos_GetTime (uint16_t *hoursPtr, uint16_t *minutesPtr, uint16_t *secondsPtr, uint16_t *millisecondsPtr) |
le_result_t | le_pos_GetDate (uint16_t *yearPtr, uint16_t *monthPtr, uint16_t *dayPtr) |
le_result_t | le_pos_GetMotion (uint32_t *hSpeedPtr, uint32_t *hSpeedAccuracyPtr, int32_t *vSpeedPtr, int32_t *vSpeedAccuracyPtr) |
le_result_t | le_pos_GetHeading (uint32_t *headingPtr, uint32_t *headingAccuracyPtr) |
le_result_t | le_pos_GetDirection (uint32_t *directionPtr, uint32_t *directionAccuracyPtr) |
le_result_t | le_pos_GetFixState (le_pos_FixState_t *statePtr) |
le_result_t | le_pos_sample_Get2DLocation (le_pos_SampleRef_t positionSampleRef, int32_t *latitudePtr, int32_t *longitudePtr, int32_t *horizontalAccuracyPtr) |
le_result_t | le_pos_sample_GetTime (le_pos_SampleRef_t positionSampleRef, uint16_t *hoursPtr, uint16_t *minutesPtr, uint16_t *secondsPtr, uint16_t *millisecondsPtr) |
le_result_t | le_pos_sample_GetDate (le_pos_SampleRef_t positionSampleRef, uint16_t *yearPtr, uint16_t *monthPtr, uint16_t *dayPtr) |
le_result_t | le_pos_sample_GetAltitude (le_pos_SampleRef_t positionSampleRef, int32_t *altitudePtr, int32_t *altitudeAccuracyPtr) |
le_result_t | le_pos_sample_GetHorizontalSpeed (le_pos_SampleRef_t positionSampleRef, uint32_t *hSpeedPtr, uint32_t *hSpeedAccuracyPtr) |
le_result_t | le_pos_sample_GetVerticalSpeed (le_pos_SampleRef_t positionSampleRef, int32_t *vspeedPtr, int32_t *vspeedAccuracyPtr) |
le_result_t | le_pos_sample_GetHeading (le_pos_SampleRef_t positionSampleRef, uint32_t *headingPtr, uint32_t *headingAccuracyPtr) |
le_result_t | le_pos_sample_GetDirection (le_pos_SampleRef_t positionSampleRef, uint32_t *directionPtr, uint32_t *directionAccuracyPtr) |
le_result_t | le_pos_sample_GetFixState (le_pos_SampleRef_t positionSampleRef, le_pos_FixState_t *statePtr) |
void | le_pos_sample_Release (le_pos_SampleRef_t positionSampleRef) |
le_result_t | le_pos_SetAcquisitionRate (uint32_t acquisitionRate) |
uint32_t | le_pos_GetAcquisitionRate (void) |
le_result_t | le_pos_SetDistanceResolution (le_pos_Resolution_t resolution) |
Detailed Description
Typedef Documentation
◆ le_pos_DisconnectHandler_t
typedef void(* le_pos_DisconnectHandler_t) (void *) |
Type for handler called when a server disconnects.
◆ le_pos_MovementHandlerFunc_t
typedef void(* le_pos_MovementHandlerFunc_t) (le_pos_SampleRef_t positionSampleRef, void *contextPtr) |
Handler for movement changes that returns the reference of a reported position sample.
◆ le_pos_MovementHandlerRef_t
typedef struct le_pos_MovementHandler* le_pos_MovementHandlerRef_t |
Reference type used by Add/Remove functions for EVENT 'le_pos_Movement'
◆ le_pos_SampleRef_t
typedef struct le_pos_Sample* le_pos_SampleRef_t |
Reference type for dealing with Position samples.
Enumeration Type Documentation
◆ le_pos_FixState_t
enum le_pos_FixState_t |
◆ le_pos_Resolution_t
enum le_pos_Resolution_t |
Function Documentation
◆ le_pos_AddMovementHandler()
le_pos_MovementHandlerRef_t le_pos_AddMovementHandler | ( | uint32_t | horizontalMagnitude, |
uint32_t | verticalMagnitude, | ||
le_pos_MovementHandlerFunc_t | handlerPtr, | ||
void * | contextPtr | ||
) |
Fix position states. Resolution values. Reference type for dealing with Position samples. Handler for movement changes that returns the reference of a reported position sample. Reference type used by Add/Remove functions for EVENT 'le_pos_Movement' Add handler function for EVENT 'le_pos_Movement'
This event provides information on movement changes.
- Parameters
-
[in] horizontalMagnitude Horizontal magnitude in meters. 0 means that I don't care about changes in the latitude and longitude. [in] verticalMagnitude Vertical magnitude in meters. 0 means that I don't care about changes in the altitude. [in] handlerPtr [in] contextPtr
◆ le_pos_ConnectService()
void le_pos_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_pos_DisconnectService()
void le_pos_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_pos_Get2DLocation()
le_result_t le_pos_Get2DLocation | ( | int32_t * | latitudePtr, |
int32_t * | longitudePtr, | ||
int32_t * | hAccuracyPtr | ||
) |
Get the 2D location's data (Latitude, Longitude, Horizontal accuracy).
- Returns
- LE_FAULT Function failed to get the 2D 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 can be set to NULL if not needed.
- Parameters
-
[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 meters by default.
◆ le_pos_Get3DLocation()
le_result_t le_pos_Get3DLocation | ( | int32_t * | latitudePtr, |
int32_t * | longitudePtr, | ||
int32_t * | hAccuracyPtr, | ||
int32_t * | altitudePtr, | ||
int32_t * | vAccuracyPtr | ||
) |
Get the 3D location's data (Latitude, Longitude, Altitude, Horizontal accuracy, Vertical accuracy).
- Returns
- LE_FAULT Function failed to get the 3D 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.
- Parameters
-
[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 meters by default. [out] altitudePtr Altitude above Mean Sea Level in meters by default. [out] vAccuracyPtr Vertical position's accuracy in meters by default.
◆ le_pos_GetAcquisitionRate()
uint32_t le_pos_GetAcquisitionRate | ( | void | ) |
Retrieve the acquisition rate.
- Returns
- Acquisition rate in milliseconds.
◆ le_pos_GetDate()
le_result_t le_pos_GetDate | ( | uint16_t * | yearPtr, |
uint16_t * | monthPtr, | ||
uint16_t * | dayPtr | ||
) |
Get the date of the last updated location
- 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.
- Parameters
-
[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_pos_GetDirection()
le_result_t le_pos_GetDirection | ( | uint32_t * | directionPtr, |
uint32_t * | directionAccuracyPtr | ||
) |
Get the direction indication. Direction of movement is the direction that the vehicle or person is actually moving.
- Returns
- LE_FAULT Function failed to get the direction indication.
- LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to UINT32_MAX).
- LE_OK Function succeeded.
- Note
- Direction is given in degrees. Direction ranges from 0 to 359 degrees, where 0 is True North.
- directionPtr, directionAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[out] directionPtr Direction indication in degrees. Range: 0 to 359, where 0 is True North. [out] directionAccuracyPtr Direction's accuracy estimate in degrees.
◆ le_pos_GetFixState()
le_result_t le_pos_GetFixState | ( | le_pos_FixState_t * | statePtr | ) |
Get the position fix state
- Returns
- LE_FAULT Function failed to get the position fix state.
- LE_OK Function succeeded.
- Note
- In case the function fails to get the position fix state, a fatal error occurs, the function will not return.
- Parameters
-
[out] statePtr Position fix state.
◆ le_pos_GetHeading()
le_result_t le_pos_GetHeading | ( | uint32_t * | headingPtr, |
uint32_t * | headingAccuracyPtr | ||
) |
Get the heading indication.
- Returns
- LE_FAULT Function failed to get the heading indication.
- LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to UINT32_MAX).
- LE_OK Function succeeded.
- Note
- Heading is given in degrees. Heading ranges from 0 to 359 degrees, where 0 is True North.
- headingPtr, headingAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[out] headingPtr Heading in degrees. Range: 0 to 359, where 0 is True North. [out] headingAccuracyPtr Heading's accuracy in degrees.
◆ le_pos_GetMotion()
le_result_t le_pos_GetMotion | ( | uint32_t * | hSpeedPtr, |
uint32_t * | hSpeedAccuracyPtr, | ||
int32_t * | vSpeedPtr, | ||
int32_t * | vSpeedAccuracyPtr | ||
) |
Get the motion's data (Horizontal Speed, Horizontal Speed's accuracy, Vertical Speed, Vertical Speed's accuracy).
- Returns
- LE_FAULT Function failed to get the motion's data.
- LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT32_MAX, UINT32_MAX).
- LE_OK Function succeeded.
- Note
- hSpeedPtr, hSpeedAccuracyPtr, vSpeedPtr, vSpeedAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[out] hSpeedPtr Horizontal Speed in m/sec. [out] hSpeedAccuracyPtr Horizontal Speed's accuracy in m/sec. [out] vSpeedPtr Vertical Speed in m/sec, positive up. [out] vSpeedAccuracyPtr Vertical Speed's accuracy in m/sec.
◆ le_pos_GetTime()
le_result_t le_pos_GetTime | ( | uint16_t * | hoursPtr, |
uint16_t * | minutesPtr, | ||
uint16_t * | secondsPtr, | ||
uint16_t * | millisecondsPtr | ||
) |
Get the time of the last updated location
- 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.
- Parameters
-
[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_pos_RemoveMovementHandler()
void le_pos_RemoveMovementHandler | ( | le_pos_MovementHandlerRef_t | handlerRef | ) |
Remove handler function for EVENT 'le_pos_Movement'
- Parameters
-
[in] handlerRef
◆ le_pos_sample_Get2DLocation()
le_result_t le_pos_sample_Get2DLocation | ( | le_pos_SampleRef_t | positionSampleRef, |
int32_t * | latitudePtr, | ||
int32_t * | longitudePtr, | ||
int32_t * | horizontalAccuracyPtr | ||
) |
Get the position sample's 2D location (latitude, longitude, horizontal accuracy).
- 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
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- latitudePtr, longitudePtr, horizontalAccuracyPtr can be set to NULL if not needed.
- 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] horizontalAccuracyPtr Horizontal position's accuracy in meters by default.
◆ le_pos_sample_GetAltitude()
le_result_t le_pos_sample_GetAltitude | ( | le_pos_SampleRef_t | positionSampleRef, |
int32_t * | altitudePtr, | ||
int32_t * | altitudeAccuracyPtr | ||
) |
Get the position sample's altitude.
- 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
- 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 above Mean Sea Level in meters by default. [out] altitudeAccuracyPtr Vertical position's accuracy in meters by default.
◆ le_pos_sample_GetDate()
le_result_t le_pos_sample_GetDate | ( | le_pos_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.
- 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_pos_sample_GetDirection()
le_result_t le_pos_sample_GetDirection | ( | le_pos_SampleRef_t | positionSampleRef, |
uint32_t * | directionPtr, | ||
uint32_t * | directionAccuracyPtr | ||
) |
Get the position sample's direction. Direction of movement is the direction that the vehicle or 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 UINT32_MAX).
- LE_OK Function succeeded.
- Note
- Direction is given in degrees. Direction ranges from 0 to 359 degrees, where 0 is True North.
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- directionPtr, directionAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[in] positionSampleRef Position sample's reference. [out] directionPtr Direction indication in degrees. Range: 0 to 359, where 0 is True North. [out] directionAccuracyPtr Direction's accuracy estimate in degrees.
◆ le_pos_sample_GetFixState()
le_result_t le_pos_sample_GetFixState | ( | le_pos_SampleRef_t | positionSampleRef, |
le_pos_FixState_t * | statePtr | ||
) |
Get the position sample's fix state.
- Returns
- LE_FAULT Function failed to get the position sample's fix state.
- LE_OK Function succeeded.
- Note
- If the caller is passing an invalid Position 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_pos_sample_GetHeading()
le_result_t le_pos_sample_GetHeading | ( | le_pos_SampleRef_t | positionSampleRef, |
uint32_t * | headingPtr, | ||
uint32_t * | headingAccuracyPtr | ||
) |
Get the position sample's heading. Heading is the direction that the vehicle or person is facing.
- Returns
- 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 TFunction succeeded.
- Note
- Heading is given in degrees. Heading ranges from 0 to 359 degrees, where 0 is True North.
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- headingPtr, headingAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[in] positionSampleRef Position sample's reference. [out] headingPtr Heading in degrees. Range: 0 to 359, where 0 is True North. [out] headingAccuracyPtr Heading's accuracy estimate in degrees.
◆ le_pos_sample_GetHorizontalSpeed()
le_result_t le_pos_sample_GetHorizontalSpeed | ( | le_pos_SampleRef_t | positionSampleRef, |
uint32_t * | hSpeedPtr, | ||
uint32_t * | hSpeedAccuracyPtr | ||
) |
Get the position sample's horizontal speed.
- Returns
- LE_FAULT Function failed to find the positionSample.
- LE_OUT_OF_RANGE One of the retrieved parameter is invalid (set to INT32_MAX, UINT32_MAX).
- LE_OK Function succeeded.
- Note
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- hSpeedPtr, hSpeedAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[in] positionSampleRef Position sample's reference. [out] hSpeedPtr The Horizontal Speed in m/sec. [out] hSpeedAccuracyPtr The Horizontal Speed's accuracy in m/sec.
◆ le_pos_sample_GetTime()
le_result_t le_pos_sample_GetTime | ( | le_pos_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.
- 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_pos_sample_GetVerticalSpeed()
le_result_t le_pos_sample_GetVerticalSpeed | ( | le_pos_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
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- vSpeedPtr, vSpeedAccuracyPtr can be set to NULL if not needed.
- Parameters
-
[in] positionSampleRef Position sample's reference. [out] vspeedPtr The Vertical Speed in m/sec, positive up. [out] vspeedAccuracyPtr The Vertical Speed's accuracy in m/sec.
◆ le_pos_sample_Release()
void le_pos_sample_Release | ( | le_pos_SampleRef_t | positionSampleRef | ) |
Release the position sample.
- Note
- If the caller is passing an invalid Position reference into this function, it is a fatal error, the function will not return.
- Parameters
-
[in] positionSampleRef Position sample's reference.
◆ le_pos_SetAcquisitionRate()
le_result_t le_pos_SetAcquisitionRate | ( | uint32_t | acquisitionRate | ) |
Set the acquisition rate.
- Returns
- LE_OUT_OF_RANGE Invalid acquisition rate. LE_OK The function succeeded.
- Parameters
-
[in] acquisitionRate Acquisition rate in milliseconds.
◆ le_pos_SetDistanceResolution()
le_result_t le_pos_SetDistanceResolution | ( | le_pos_Resolution_t | resolution | ) |
Set the resolution for the positioning distance values.
- Returns
- LE_OK Function succeeded.
- LE_BAD_PARAMETER Invalid parameter provided.
- Note
- The positioning distance values are: the altitude above sea level, the horizontal position accuracy and the vertical position accuracy. The API sets the same resolution to all distance values. The resolution change request takes effect immediately.
- Warning
- The positioning distance values resolutions are platform dependent. Please refer to Distance values resolution section for full details.
- Parameters
-
[in] resolution Resolution.
◆ le_pos_SetServerDisconnectHandler()
LE_FULL_API void le_pos_SetServerDisconnectHandler | ( | le_pos_DisconnectHandler_t | disconnectHandler, |
void * | contextPtr | ||
) |
Set handler called when server disconnection is detected.
When a server connection is lost, call this handler then exit with LE_FATAL. If a program wants to continue without exiting, it should call longjmp() from inside the handler.
◆ le_pos_TryConnectService()
le_result_t le_pos_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.