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Commit 758a564a authored by Chienyuan Huang's avatar Chienyuan Huang
Browse files

CS: Return confidence level 

Flag: com.android.bluetooth.flags.channel_sounding_in_stack
Bug: 324185011
Bug: 371187745
Test: m com.android.btservice
Change-Id: I93630422b0805f3c0afeeb1621e12850c1164651
parent a5df47c6

android/app/jni/com_android_bluetooth_gatt.cpp

+3 −3
Original line number Diff line number Diff line
@@ -1235,7 +1235,7 @@ public: 
                                   uint32_t error_centimeter, int azimuth_angle,

                                   int error_azimuth_angle, int altitude_angle,

                                   int error_altitude_angle, long elapsedRealtimeNanos,

                                   uint8_t method) {

                                   int8_t confidence_level, uint8_t method) {

    std::shared_lock<std::shared_mutex> lock(callbacks_mutex);

    CallbackEnv sCallbackEnv(__func__);

    if (!sCallbackEnv.valid() || !mDistanceMeasurementCallbacksObj) {
@@ -1245,7 +1245,7 @@ public: 
    sCallbackEnv->CallVoidMethod(

            mDistanceMeasurementCallbacksObj, method_onDistanceMeasurementResult, addr.get(),

            centimeter, error_centimeter, azimuth_angle, error_azimuth_angle, altitude_angle,

            error_altitude_angle, elapsedRealtimeNanos, method);

            error_altitude_angle, elapsedRealtimeNanos, confidence_level, method);

  }

};
@@ -2979,7 +2979,7 @@ static int register_com_android_bluetooth_gatt_distance_measurement(JNIEnv* env) 
           &method_onDistanceMeasurementStartFail},

          {"onDistanceMeasurementStopped", "(Ljava/lang/String;II)V",

           &method_onDistanceMeasurementStopped},

          {"onDistanceMeasurementResult", "(Ljava/lang/String;IIIIIIJI)V",

          {"onDistanceMeasurementResult", "(Ljava/lang/String;IIIIIIJII)V",

           &method_onDistanceMeasurementResult},

  };

  GET_JAVA_METHODS(env, "com/android/bluetooth/gatt/DistanceMeasurementNativeInterface",

android/app/src/com/android/bluetooth/gatt/DistanceMeasurementManager.java

+10 −4
Original line number Diff line number Diff line
@@ -469,16 +469,22 @@ public class DistanceMeasurementManager { 
            int altitudeAngle,

            int errorAltitudeAngle,

            long elapsedRealtimeNanos,

            int confidenceLevel,

            int method) {

        logd(

                "onDistanceMeasurementResult "

                        + BluetoothUtils.toAnonymizedAddress(address)

                        + ", centimeter "

                        + centimeter);

        DistanceMeasurementResult result =

                        + centimeter

                        + ", confidenceLevel "

                        + confidenceLevel);

        DistanceMeasurementResult.Builder builder =

                new DistanceMeasurementResult.Builder(centimeter / 100.0, errorCentimeter / 100.0)

                        .setMeasurementTimestampNanos(elapsedRealtimeNanos)

                        .build();

                        .setMeasurementTimestampNanos(elapsedRealtimeNanos);

        if (confidenceLevel != -1) {

            builder.setConfidenceLevel(confidenceLevel / 100.0);

        }

        DistanceMeasurementResult result = builder.build();

        switch (method) {

            case DistanceMeasurementMethod.DISTANCE_MEASUREMENT_METHOD_RSSI:

                handleRssiResult(address, result);

android/app/src/com/android/bluetooth/gatt/DistanceMeasurementNativeInterface.java

+2 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ public class DistanceMeasurementNativeInterface { 
            int altitudeAngle,

            int errorAltitudeAngle,

            long elapsedRealtimeNanos,

            int confidenceLevel,

            int method) {

        mDistanceMeasurementManager.onDistanceMeasurementResult(

                address,
@@ -121,6 +122,7 @@ public class DistanceMeasurementNativeInterface { 
                altitudeAngle,

                errorAltitudeAngle,

                elapsedRealtimeNanos,

                confidenceLevel,

                method);

    }

android/app/tests/unit/src/com/android/bluetooth/gatt/DistanceMeasurementManagerTest.java

+2 −0
Original line number Diff line number Diff line
@@ -197,6 +197,7 @@ public class DistanceMeasurementManagerTest { 
                -1,

                -1,

                1000L,

                -1,

                DistanceMeasurementMethod.DISTANCE_MEASUREMENT_METHOD_RSSI);

        ArgumentCaptor<DistanceMeasurementResult> result =

                ArgumentCaptor.forClass(DistanceMeasurementResult.class);
@@ -235,6 +236,7 @@ public class DistanceMeasurementManagerTest { 
                -1,

                -1,

                1000L,

                -1,

                DistanceMeasurementMethod.DISTANCE_MEASUREMENT_METHOD_RSSI);

        DistanceMeasurementResult result =

                new DistanceMeasurementResult.Builder(1.00, 1.00).build();

system/gd/hal/ranging_hal.h

+3 −0
Original line number Diff line number Diff line
@@ -39,6 +39,9 @@ struct ChannelSoundingRawData { 


struct RangingResult {

  double result_meters_;

  // A normalized value from 0 (low confidence) to 100 (high confidence) representing the confidence

  // of estimated distance. The value is -1 when unavailable.

  int8_t confidence_level_;

};



class RangingHalCallback {