1 files changed, 57 insertions, 1 deletions

diff --git a/location/LocationDataTypes.h b/location/LocationDataTypes.h
index 49822fa..504b5cc 100644
--- a/location/LocationDataTypes.h
+++ b/location/LocationDataTypes.h
@@ -175,6 +175,8 @@ typedef enum {
     GNSS_LOCATION_INFO_NUM_SV_USED_IN_POSITION_BIT      = (1<<24), // number of SV used in position
     GNSS_LOCATION_INFO_CALIBRATION_CONFIDENCE_BIT       = (1<<25), // valid sensor cal confidence
     GNSS_LOCATION_INFO_CALIBRATION_STATUS_BIT           = (1<<26), // valid sensor cal status
+    GNSS_LOCATION_INFO_OUTPUT_ENG_TYPE_BIT              = (1<<27), // valid output engine type
+    GNSS_LOCATION_INFO_OUTPUT_ENG_MASK_BIT              = (1<<28), // valid output engine mask
 } GnssLocationInfoFlagBits;
 
 typedef enum {
@@ -646,6 +648,13 @@ typedef enum {
     GNSS_LOC_MAX_NUMBER_OF_SIGNAL_TYPES = 20    /**<  Maximum number of signal types */
 } Gnss_LocSignalEnumType;
 
+typedef uint32_t PositioningEngineMask;
+typedef enum {
+    STANDARD_POSITIONING_ENGINE = (1 << 0),
+    DEAD_RECKONING_ENGINE       = (1 << 1),
+    PRECISE_POSITIONING_ENGINE  = (1 << 2)
+} PositioningEngineBits;
+
 typedef uint64_t GnssDataMask;
 typedef enum {
     // Jammer Indicator is available
@@ -731,15 +740,35 @@ typedef struct {
     LocationSpoofMask      spoofMask;
 } Location;
 
+typedef enum {
+    LOC_REQ_ENGINE_FUSED_BIT = (1<<0),
+    LOC_REQ_ENGINE_SPE_BIT   = (1<<1),
+    LOC_REQ_ENGINE_PPE_BIT   = (1<<2),
+} LocReqEngineTypeMask;
+
+typedef enum {
+    LOC_OUTPUT_ENGINE_FUSED   = 0,
+    /** This is the GNSS fix from modem */
+    LOC_OUTPUT_ENGINE_SPE     = 1,
+    /** This is the GNSS fix with correction PPP/RTK correction */
+    LOC_OUTPUT_ENGINE_PPE     = 2,
+    LOC_OUTPUT_ENGINE_COUNT,
+} LocOutputEngineType;
+
 struct LocationOptions {
     uint32_t size;          // set to sizeof(LocationOptions)
     uint32_t minInterval; // in milliseconds
     uint32_t minDistance; // in meters. if minDistance > 0, gnssSvCallback/gnssNmeaCallback/
                           // gnssMeasurementsCallback may not be called
     GnssSuplMode mode;    // Standalone/MS-Based/MS-Assisted
+    // behavior when this field is 0:
+    //  if engine hub is running, this will be fused fix,
+    //  if engine hub is not running, this will be SPE fix
+    LocReqEngineTypeMask locReqEngTypeMask;
 
     inline LocationOptions() :
-            size(0), minInterval(0), minDistance(0), mode(GNSS_SUPL_MODE_STANDALONE) {}
+            size(0), minInterval(0), minDistance(0), mode(GNSS_SUPL_MODE_STANDALONE),
+            locReqEngTypeMask((LocReqEngineTypeMask)0) {}
 };
 
 typedef enum {
@@ -764,9 +793,11 @@ struct TrackingOptions : LocationOptions {
     inline TrackingOptions(const LocationOptions& options) :
             LocationOptions(options), powerMode(GNSS_POWER_MODE_INVALID), tbm(0) {}
     inline void setLocationOptions(const LocationOptions& options) {
+        size = sizeof(TrackingOptions);
         minInterval = options.minInterval;
         minDistance = options.minDistance;
         mode = options.mode;
+        locReqEngTypeMask = options.locReqEngTypeMask;
     }
     inline LocationOptions getLocationOptions() {
         LocationOptions locOption;
@@ -774,6 +805,7 @@ struct TrackingOptions : LocationOptions {
         locOption.minDistance = minDistance;
         locOption.minInterval = minInterval;
         locOption.mode = mode;
+        locOption.locReqEngTypeMask = locReqEngTypeMask;
         return locOption;
     }
 };
@@ -997,6 +1029,15 @@ typedef struct {
     uint8_t calibrationConfidence;                // Sensor calibration confidence percent,
                                                   // in range of [0, 100]
     DrCalibrationStatusMask calibrationStatus;    // Sensor calibration status
+    // location engine type. When the fix. when the type is set to
+    // LOC_ENGINE_SRC_FUSED, the fix is the propagated/aggregated
+    // reports from all engines running on the system (e.g.:
+    // DR/SPE/PPE). To check which location engine contributes to
+    // the fused output, check for locOutputEngMask.
+    LocOutputEngineType locOutputEngType;
+    // when loc output eng type is set to fused, this field
+    // indicates the set of engines contribute to the fix.
+    PositioningEngineMask locOutputEngMask;
 } GnssLocationInfoNotification;
 
 typedef struct {
@@ -1317,6 +1358,20 @@ typedef std::function<void(
     GnssLocationInfoNotification gnssLocationInfoNotification
 )> gnssLocationInfoCallback;
 
+/* Gives default combined location information from all engines and
+   location information individually from selected engines.
+   This callback is only used when there are multiple engines
+   running in the system.
+
+   optional can be NULL
+
+   engineLocationsInfoCallback is called only during a tracking session
+   broadcasted to all clients, no matter if a session has started by client */
+typedef std::function<void(
+    uint32_t count,
+    GnssLocationInfoNotification* engineLocationInfoNotification
+)> engineLocationsInfoCallback;
+
 /* Used for addGeofences API, optional can be NULL
    geofenceBreachCallback is called when any number of geofences have a state change */
 typedef std::function<void(
@@ -1403,6 +1458,7 @@ typedef struct {
     gnssMeasurementsCallback gnssMeasurementsCb;     // optional
     batchingStatusCallback batchingStatusCb;         // optional
     locationSystemInfoCallback locationSystemInfoCb; // optional
+    engineLocationsInfoCallback engineLocationsInfoCb;     // optional
 } LocationCallbacks;
 
 #endif /* LOCATIONDATATYPES_H */