195 lines
11 KiB
C++
195 lines
11 KiB
C++
/* Copyright (c) 2018 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ILOCATIONAPI_H
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#define ILOCATIONAPI_H
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#include "LocationDataTypes.h"
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class ILocationAPI
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{
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public:
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virtual ~ILocationAPI(){};
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/** @brief Updates/changes the callbacks that will be called.
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mandatory callbacks must be present for callbacks to be successfully updated
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no return value */
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virtual void updateCallbacks(LocationCallbacks&) = 0;
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/* ================================== TRACKING ================================== */
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/** @brief Starts a tracking session, which returns a session id that will be
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used by the other tracking APIs and also in the responseCallback to match command
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with response. locations are reported on the registered trackingCallback
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periodically according to LocationOptions.
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@return session id
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if session was successfully started
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LOCATION_ERROR_ALREADY_STARTED if a startTracking session is already in progress
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LOCATION_ERROR_CALLBACK_MISSING if no trackingCallback was passed
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LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameter is invalid */
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virtual uint32_t startTracking(TrackingOptions&) = 0;
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/** @brief Stops a tracking session associated with id parameter.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */
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virtual void stopTracking(uint32_t id) = 0;
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/** @brief Changes the LocationOptions of a tracking session associated with id.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */
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virtual void updateTrackingOptions(uint32_t id, TrackingOptions&) = 0;
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/* ================================== BATCHING ================================== */
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/** @brief starts a batching session, which returns a session id that will be
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used by the other batching APIs and also in the responseCallback to match command
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with response. locations are reported on the batchingCallback passed in createInstance
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periodically according to LocationOptions. A batching session starts tracking on
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the low power processor and delivers them in batches by the batchingCallback when
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the batch is full or when getBatchedLocations is called. This allows for the processor
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that calls this API to sleep when the low power processor can batch locations in the
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backgroup and wake up the processor calling the API only when the batch is full, thus
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saving power.
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@return session id
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if session was successful
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LOCATION_ERROR_ALREADY_STARTED if a startBatching session is already in progress
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LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback
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LOCATION_ERROR_INVALID_PARAMETER if a parameter is invalid
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LOCATION_ERROR_NOT_SUPPORTED if batching is not supported */
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virtual uint32_t startBatching(BatchingOptions&) = 0;
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/** @brief Stops a batching session associated with id parameter.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with batching session */
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virtual void stopBatching(uint32_t id) = 0;
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/** @brief Changes the LocationOptions of a batching session associated with id.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */
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virtual void updateBatchingOptions(uint32_t id, BatchingOptions&) = 0;
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/** @brief Gets a number of locations that are currently stored/batched
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on the low power processor, delivered by the batchingCallback passed in createInstance.
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Location are then deleted from the batch stored on the low power processor.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful, will be followed by batchingCallback call
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LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */
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virtual void getBatchedLocations(uint32_t id, size_t count) = 0;
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/* ================================== GEOFENCE ================================== */
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/** @brief Adds any number of geofences and returns an array of geofence ids that
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will be used by the other geofence APIs and also in the collectiveResponseCallback to
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match command with response. The geofenceBreachCallback will deliver the status of each
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geofence according to the GeofenceOption for each. The geofence id array returned will
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be valid until the collectiveResponseCallback is called and has returned.
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@return id array
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if session was successful
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LOCATION_ERROR_CALLBACK_MISSING if no geofenceBreachCallback
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LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid
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LOCATION_ERROR_NOT_SUPPORTED if geofence is not supported */
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virtual uint32_t* addGeofences(size_t count, GeofenceOption*, GeofenceInfo*) = 0;
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/** @brief Removes any number of geofences. Caller should delete ids array after
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removeGeofences returneds.
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */
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virtual void removeGeofences(size_t count, uint32_t* ids) = 0;
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/** @brief Modifies any number of geofences. Caller should delete ids array after
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modifyGeofences returns.
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session
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LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */
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virtual void modifyGeofences(size_t count, uint32_t* ids, GeofenceOption* options) = 0;
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/** @brief Pauses any number of geofences, which is similar to removeGeofences,
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only that they can be resumed at any time. Caller should delete ids array after
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pauseGeofences returns.
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */
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virtual void pauseGeofences(size_t count, uint32_t* ids) = 0;
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/** @brief Resumes any number of geofences that are currently paused. Caller should
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delete ids array after resumeGeofences returns.
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */
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virtual void resumeGeofences(size_t count, uint32_t* ids) = 0;
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/* ================================== GNSS ====================================== */
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/** @brief gnssNiResponse is called in response to a gnssNiCallback.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if session was successful
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LOCATION_ERROR_INVALID_PARAMETER if any parameters in GnssNiResponse are invalid
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LOCATION_ERROR_ID_UNKNOWN if id does not match a gnssNiCallback */
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virtual void gnssNiResponse(uint32_t id, GnssNiResponse response) = 0;
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};
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class ILocationControlAPI
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{
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public:
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virtual ~ILocationControlAPI(){};
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/** @brief Updates the gnss specific configuration, which returns a session id array
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with an id for each of the bits set in GnssConfig.flags, order from low bits to high bits.
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The response for each config that is set will be returned in collectiveResponseCallback.
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The session id array returned will be valid until the collectiveResponseCallback is called
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and has returned. This effect is global for all clients of ILocationAPI.
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collectiveResponseCallback returns:
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LOCATION_ERROR_SUCCESS if session was successful
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LOCATION_ERROR_INVALID_PARAMETER if any other parameters are invalid
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LOCATION_ERROR_GENERAL_FAILURE if failure for any other reason */
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virtual uint32_t* gnssUpdateConfig(GnssConfig config) = 0;
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/** @brief Delete specific gnss aiding data for testing, which returns a session id
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that will be returned in responseCallback to match command with response.
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Only allowed in userdebug builds. This effect is global for all clients of ILocationAPI.
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responseCallback returns:
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LOCATION_ERROR_SUCCESS if successful
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LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid
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LOCATION_ERROR_NOT_SUPPORTED if build is not userdebug */
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virtual uint32_t gnssDeleteAidingData(GnssAidingData& data) = 0;
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};
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#endif /* ILOCATIONAPI_H */
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