/* Copyright (c) 2018 The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of The Linux Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef ILOCATIONAPI_H #define ILOCATIONAPI_H #include "LocationDataTypes.h" class ILocationAPI { public: virtual ~ILocationAPI(){}; /** @brief Updates/changes the callbacks that will be called. mandatory callbacks must be present for callbacks to be successfully updated no return value */ virtual void updateCallbacks(LocationCallbacks&) = 0; /* ================================== TRACKING ================================== */ /** @brief Starts a tracking session, which returns a session id that will be used by the other tracking APIs and also in the responseCallback to match command with response. locations are reported on the registered trackingCallback periodically according to LocationOptions. @return session id responseCallback returns: LOCATION_ERROR_SUCCESS if session was successfully started LOCATION_ERROR_ALREADY_STARTED if a startTracking session is already in progress LOCATION_ERROR_CALLBACK_MISSING if no trackingCallback was passed LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameter is invalid */ virtual uint32_t startTracking(TrackingOptions&) = 0; /** @brief Stops a tracking session associated with id parameter. responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */ virtual void stopTracking(uint32_t id) = 0; /** @brief Changes the LocationOptions of a tracking session associated with id. responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */ virtual void updateTrackingOptions(uint32_t id, TrackingOptions&) = 0; /* ================================== BATCHING ================================== */ /** @brief starts a batching session, which returns a session id that will be used by the other batching APIs and also in the responseCallback to match command with response. locations are reported on the batchingCallback passed in createInstance periodically according to LocationOptions. A batching session starts tracking on the low power processor and delivers them in batches by the batchingCallback when the batch is full or when getBatchedLocations is called. This allows for the processor that calls this API to sleep when the low power processor can batch locations in the backgroup and wake up the processor calling the API only when the batch is full, thus saving power. @return session id responseCallback returns: LOCATION_ERROR_SUCCESS if session was successful LOCATION_ERROR_ALREADY_STARTED if a startBatching session is already in progress LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback LOCATION_ERROR_INVALID_PARAMETER if a parameter is invalid LOCATION_ERROR_NOT_SUPPORTED if batching is not supported */ virtual uint32_t startBatching(BatchingOptions&) = 0; /** @brief Stops a batching session associated with id parameter. responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with batching session */ virtual void stopBatching(uint32_t id) = 0; /** @brief Changes the LocationOptions of a batching session associated with id. responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */ virtual void updateBatchingOptions(uint32_t id, BatchingOptions&) = 0; /** @brief Gets a number of locations that are currently stored/batched on the low power processor, delivered by the batchingCallback passed in createInstance. Location are then deleted from the batch stored on the low power processor. responseCallback returns: LOCATION_ERROR_SUCCESS if successful, will be followed by batchingCallback call LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */ virtual void getBatchedLocations(uint32_t id, size_t count) = 0; /* ================================== GEOFENCE ================================== */ /** @brief Adds any number of geofences and returns an array of geofence ids that will be used by the other geofence APIs and also in the collectiveResponseCallback to match command with response. The geofenceBreachCallback will deliver the status of each geofence according to the GeofenceOption for each. The geofence id array returned will be valid until the collectiveResponseCallback is called and has returned. @return id array collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if session was successful LOCATION_ERROR_CALLBACK_MISSING if no geofenceBreachCallback LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid LOCATION_ERROR_NOT_SUPPORTED if geofence is not supported */ virtual uint32_t* addGeofences(size_t count, GeofenceOption*, GeofenceInfo*) = 0; /** @brief Removes any number of geofences. Caller should delete ids array after removeGeofences returneds. collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ virtual void removeGeofences(size_t count, uint32_t* ids) = 0; /** @brief Modifies any number of geofences. Caller should delete ids array after modifyGeofences returns. collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual void modifyGeofences(size_t count, uint32_t* ids, GeofenceOption* options) = 0; /** @brief Pauses any number of geofences, which is similar to removeGeofences, only that they can be resumed at any time. Caller should delete ids array after pauseGeofences returns. collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ virtual void pauseGeofences(size_t count, uint32_t* ids) = 0; /** @brief Resumes any number of geofences that are currently paused. Caller should delete ids array after resumeGeofences returns. collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ virtual void resumeGeofences(size_t count, uint32_t* ids) = 0; /* ================================== GNSS ====================================== */ /** @brief gnssNiResponse is called in response to a gnssNiCallback. responseCallback returns: LOCATION_ERROR_SUCCESS if session was successful LOCATION_ERROR_INVALID_PARAMETER if any parameters in GnssNiResponse are invalid LOCATION_ERROR_ID_UNKNOWN if id does not match a gnssNiCallback */ virtual void gnssNiResponse(uint32_t id, GnssNiResponse response) = 0; }; class ILocationControlAPI { public: virtual ~ILocationControlAPI(){}; /** @brief Updates the gnss specific configuration, which returns a session id array with an id for each of the bits set in GnssConfig.flags, order from low bits to high bits. The response for each config that is set will be returned in collectiveResponseCallback. The session id array returned will be valid until the collectiveResponseCallback is called and has returned. This effect is global for all clients of ILocationAPI. collectiveResponseCallback returns: LOCATION_ERROR_SUCCESS if session was successful LOCATION_ERROR_INVALID_PARAMETER if any other parameters are invalid LOCATION_ERROR_GENERAL_FAILURE if failure for any other reason */ virtual uint32_t* gnssUpdateConfig(GnssConfig config) = 0; /** @brief Delete specific gnss aiding data for testing, which returns a session id that will be returned in responseCallback to match command with response. Only allowed in userdebug builds. This effect is global for all clients of ILocationAPI. responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid LOCATION_ERROR_NOT_SUPPORTED if build is not userdebug */ virtual uint32_t gnssDeleteAidingData(GnssAidingData& data) = 0; /** @brief Reset the constellation settings to modem default. @param None @return A session id that will be returned in responseCallback to match command with response. This effect is global for all clients of LocationAPI responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual uint32_t resetConstellationConfig() = 0; /** @brief Configure the constellation to be used by the GNSS engine on modem. @param constellationConfig: specify the constellation configuration used by GNSS engine. @return A session id that will be returned in responseCallback to match command with response. This effect is global for all clients of LocationAPI responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual uint32_t configConstellations( const GnssSvTypeConfig& svTypeConfig, const GnssSvIdConfig& svIdConfig) = 0; /** @brief Enable or disable the constrained time uncertainty feature. @param enable: true to enable the constrained time uncertainty feature and false to disable the constrainted time uncertainty feature. @param tuncThreshold: this specifies the time uncertainty threshold that gps engine need to maintain, in units of milli-seconds. Default is 0.0 meaning that modem default value of time uncertainty threshold will be used. This parameter is ignored when requesting to disable this feature. @param energyBudget: this specifies the power budget that gps engine is allowed to spend to maintain the time uncertainty. Default is 0 meaning that GPS engine is not constained by power budget and can spend as much power as needed. The parameter need to be specified in units of 0.1 milli watt second. This parameter is ignored requesting to disable this feature. @return A session id that will be returned in responseCallback to match command with response. This effect is global for all clients of LocationAPI responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual uint32_t configConstrainedTimeUncertainty( bool enable, float tuncThreshold = 0.0, uint32_t energyBudget = 0) = 0; /** @brief Enable or disable position assisted clock estimator feature. @param enable: true to enable position assisted clock estimator and false to disable the position assisted clock estimator feature. @return A session id that will be returned in responseCallback to match command with response. This effect is global for all clients of LocationAPI responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual uint32_t configPositionAssistedClockEstimator(bool enable) = 0; /** @brief Sets the lever arm parameters for the vehicle. @param configInfo: lever arm configuration info regarding below two types of lever arm info: a: GNSS Antenna w.r.t the origin at the IMU e.g.: inertial measurement unit. b: lever arm parameters regarding the OPF (output frame) w.r.t the origin (at the GPS Antenna). Vehicle manufacturers prefer the position output to be tied to a specific point in the vehicle rather than where the antenna is placed (midpoint of the rear axle is typical). Caller can choose types of lever arm info to configure via the leverMarkTypeMask. @return A session id that will be returned in responseCallback to match command with response. This effect is global for all clients of LocationAPI responseCallback returns: LOCATION_ERROR_SUCCESS if successful LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ virtual uint32_t configLeverArm(const LeverArmConfigInfo& configInfo) = 0; }; #endif /* ILOCATIONAPI_H */