Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5dbc2cd1 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge changes Ie238e8e5,I113e33a7

* changes:
  Add UWB RangingParameters
  Add UWB Ranging Measurement classes
parents b0c41a1b 17e71839
Loading
Loading
Loading
Loading
+65 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.uwb;

import android.annotation.FloatRange;

/**
 * Angle measurement
 *
 * <p>The actual angle is interpreted as:
 *   {@link #getRadians()} +/- {@link #getErrorRadians()} ()} at {@link #getConfidenceLevel()}
 *
 * @hide
 */
public final class AngleMeasurement {
    /**
     * Angle measurement in radians
    *
     * @return angle in radians
     */
    @FloatRange(from = -Math.PI, to = +Math.PI)
    public double getRadians() {
        throw new UnsupportedOperationException();
    }

    /**
     * Error of angle measurement in radians
     *
     * <p>Must be a positive value
     *
     * @return angle measurement error in radians
     */
    @FloatRange(from = 0.0, to = +Math.PI)
    public double getErrorRadians() {
        throw new UnsupportedOperationException();
    }

    /**
     * Angle measurement confidence level expressed as a value between
     * 0.0 to 1.0.
     *
     * <p>A value of 0.0 indicates there is no confidence in the measurement. A value of 1.0
     * indicates there is maximum confidence in the measurement.
     *
     * @return the confidence level of the angle measurement
     */
    @FloatRange(from = 0.0, to = 1.0)
    public double getConfidenceLevel() {
        throw new UnsupportedOperationException();
    }
}
+63 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.uwb;

import android.annotation.NonNull;
import android.annotation.Nullable;

/**
 * Represents an angle of arrival measurement between two devices using Ultra Wideband
 *
 * @hide
 */
public final class AngleOfArrivalMeasurement {
    /**
     * Azimuth angle measurement
     * <p>Azimuth {@link AngleMeasurement} of remote device in horizontal coordinate system, this is
     * the angle clockwise from the meridian when viewing above the north pole.
     *
     * <p>See: https://en.wikipedia.org/wiki/Horizontal_coordinate_system
     *
     * <p>On an Android device, azimuth north is defined as the angle perpendicular away from the
     * back of the device when holding it in portrait mode upright.
     *
     * <p>Azimuth angle must be supported when Angle of Arrival is supported
     *
     * @return the azimuth {@link AngleMeasurement}
     */
    @NonNull
    public AngleMeasurement getAzimuth() {
        throw new UnsupportedOperationException();
    }

    /**
     * Altitude angle measurement
     * <p>Altitude {@link AngleMeasurement} of remote device in horizontal coordinate system, this
     * is the angle above the equator when the north pole is up.
     *
     * <p>See: https://en.wikipedia.org/wiki/Horizontal_coordinate_system
     *
     * <p>On an Android device, altitude is defined as the angle vertical from ground when holding
     * the device in portrait mode upright.
     *
     * @return altitude {@link AngleMeasurement} or null when this is not available
     */
    @Nullable
    public AngleMeasurement getAltitude() {
        throw new UnsupportedOperationException();
    }
}
+61 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.uwb;

import android.annotation.FloatRange;

/**
 * A data point for the distance measurement
 *
 * <p>The actual distance is interpreted as:
 *   {@link #getMeters()} +/- {@link #getErrorMeters()} at {@link #getConfidenceLevel()}
 *
 * @hide
 */
public final class DistanceMeasurement {
    /**
     * Distance measurement in meters
     *
     * @return distance in meters
     */
    public double getMeters() {
        throw new UnsupportedOperationException();
    }

    /**
     * Error of distance measurement in meters
     * <p>Must be positive
     *
     * @return error of distance measurement in meters
     */
    public double getErrorMeters() {
        throw new UnsupportedOperationException();
    }

    /**
     * Distance measurement confidence level expressed as a value between 0.0 to 1.0.
     *
     * <p>A value of 0.0 indicates no confidence in the measurement. A value of 1.0 represents
     * maximum confidence in the measurement
     *
     * @return confidence level
     */
    @FloatRange(from = 0.0, to = 1.0)
    public double getConfidenceLevel() {
        throw new UnsupportedOperationException();
    }
}
+113 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.uwb;

import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SuppressLint;
import android.os.SystemClock;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * Representation of a ranging measurement between the local device and a remote device
 *
 * @hide
 */
public final class RangingMeasurement {
    /**
     * Get the remote device's {@link UwbAddress}
     *
     * @return the remote device's {@link UwbAddress}
     */
    @NonNull
    public UwbAddress getRemoteDeviceAddress() {
        throw new UnsupportedOperationException();
    }

    @Retention(RetentionPolicy.SOURCE)
    @IntDef(value = {
            RANGING_STATUS_SUCCESS,
            RANGING_STATUS_FAILURE_OUT_OF_RANGE,
            RANGING_STATUS_FAILURE_UNKNOWN_ERROR})
    public @interface Status {}

    /**
     * Ranging attempt was successful for this device
     */
    public static final int RANGING_STATUS_SUCCESS = 0;

    /**
     * Ranging failed for this device because it is out of range
     */
    public static final int RANGING_STATUS_FAILURE_OUT_OF_RANGE = 1;

    /**
     * Ranging failed for this device because of unknown error
     */
    public static final int RANGING_STATUS_FAILURE_UNKNOWN_ERROR = -1;

    /**
     * Get the status of this ranging measurement
     *
     * <p>Possible values are
     * {@link #RANGING_STATUS_SUCCESS},
     * {@link #RANGING_STATUS_FAILURE_OUT_OF_RANGE},
     * {@link #RANGING_STATUS_FAILURE_UNKNOWN_ERROR}.
     *
     * @return the status of the ranging measurement
     */
    @Status
    public int getStatus() {
        throw new UnsupportedOperationException();
    }

    /**
     * Timestamp of this ranging measurement in time since boot nanos in the same namespace as
     * {@link SystemClock#elapsedRealtimeNanos()}
     *
     * @return timestamp of ranging measurement in nanoseconds
     */
    @SuppressLint("MethodNameUnits")
    public long getElapsedRealtimeNanos() {
        throw new UnsupportedOperationException();
    }

    /**
     * Get the distance measurement
     *
     * @return a {@link DistanceMeasurement} or null if {@link #getStatus()} !=
     *         {@link #RANGING_STATUS_SUCCESS}
     */
    @Nullable
    public DistanceMeasurement getDistance() {
        throw new UnsupportedOperationException();
    }

    /**
     * Get the angle of arrival measurement
     *
     * @return an {@link AngleOfArrivalMeasurement} or null if {@link #getStatus()} !=
     *         {@link #RANGING_STATUS_SUCCESS}
     */
    @Nullable
    public AngleOfArrivalMeasurement getAngleOfArrival() {
        throw new UnsupportedOperationException();
    }
}
+175 −0
Original line number Diff line number Diff line
/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.uwb;

import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.PersistableBundle;
import android.util.Duration;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;

/**
 * An object used when requesting to open a new {@link RangingSession}.
 * <p>Use {@link RangingParams.Builder} to create an instance of this class.
 *
 *  @hide
 */
public final class RangingParams {
    /**
     * Standard builder interface as the class is not modifiable
     */
    public static class Builder {
        // TODO implement
    }

    /**
     * Get if the local device is the initiator
     *
     * @return true if the device is the initiator
     */
    public boolean isInitiator() {
        throw new UnsupportedOperationException();
    }

    /**
     * Get if the local device is the controller
     *
     * @return true if the device is the controller
     */
    public boolean isController() {
        throw new UnsupportedOperationException();
    }

    /**
     * The desired amount of time between two adjacent samples of measurement
     *
     * @return the ranging sample period
     */
    @NonNull
    public Duration getSamplingPeriod() {
        throw new UnsupportedOperationException();
    }

    /**
     * Local device's {@link UwbAddress}
     *
     * <p>Simultaneous {@link RangingSession}s on the same device can have different results for
     * {@link #getLocalDeviceAddress()}.
     *
     * @return the local device's {@link UwbAddress}
     */
    @NonNull
    public UwbAddress getLocalDeviceAddress() {
        throw new UnsupportedOperationException();
    }

    /**
     * Gets a list of all remote device's {@link UwbAddress}
     *
     * @return a {@link List} of {@link UwbAddress} representing the remote devices
     */
    @NonNull
    public List<UwbAddress> getRemoteDeviceAddresses() {
        throw new UnsupportedOperationException();
    }

    /**
     * Channel number used between this device pair as defined by 802.15.4z
     *
     * Range: -1, 0-15
     *
     * @return the channel to use
     */
    public int getChannelNumber() {
        throw new UnsupportedOperationException();
    }

    /**
     * Preamble index used between this device pair as defined by 802.15.4z
     *
     * Range: 0, 0-32
     *
     * @return the preamble index to use for transmitting
     */
    public int getTxPreambleIndex() {
        throw new UnsupportedOperationException();
    }

    /**
     * preamble index used between this device pair as defined by 802.15.4z
     *
     * Range: 0, 13-16, 21-32
     *
     * @return the preamble index to use for receiving
     */
    public int getRxPreambleIndex() {
        throw new UnsupportedOperationException();
    }

    @Retention(RetentionPolicy.SOURCE)
    @IntDef(value = {
            STS_PHY_PACKET_TYPE_SP0,
            STS_PHY_PACKET_TYPE_SP1,
            STS_PHY_PACKET_TYPE_SP2,
            STS_PHY_PACKET_TYPE_SP3})
    public @interface StsPhyPacketType {}

    /**
     * PHY packet type SP0 when STS is used as defined by 802.15.4z
     */
    public static final int STS_PHY_PACKET_TYPE_SP0 = 0;

    /**
     * PHY packet type SP1 when STS is used as defined by 802.15.4z
     */
    public static final int STS_PHY_PACKET_TYPE_SP1 = 1;

    /**
     * PHY packet type SP2 when STS is used as defined by 802.15.4z
     */
    public static final int STS_PHY_PACKET_TYPE_SP2 = 2;

    /**
     * PHY packet type SP3 when STS is used as defined by 802.15.4z
     */
    public static final int STS_PHY_PACKET_TYPE_SP3 = 3;

    /**
     * Get the type of PHY packet when STS is used as defined by 802.15.4z
     *
     * @return the {@link StsPhyPacketType} to use
     */
    @StsPhyPacketType
    public int getStsPhyPacketType() {
        throw new UnsupportedOperationException();
    }

    /**
     * Parameters for a specific UWB protocol constructed using a support library.
     *
     * <p>Android reserves the '^android.*' namespace
     *
     * @return a {@link PersistableBundle} of protocol specific parameters
     */
    public @Nullable PersistableBundle getSpecificationParameters() {
        throw new UnsupportedOperationException();
    }
}
Loading