gnss/2.0/IGnss.hal

/*
 * Copyright (C) 2018 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.hardware.gnss@2.0;

import android.hardware.gnss.measurement_corrections@1.0::IMeasurementCorrections;
import @1.1::IGnss;

import IGnssCallback;
import IGnssMeasurement;
import IAGnss;
import IAGnssRil;

/** Represents the standard GNSS (Global Navigation Satellite System) interface. */
interface IGnss extends @1.1::IGnss {
     /**
     * Opens the interface and provides the callback routines to the implementation of this
     * interface.
     *
     * @param callback Callback interface for IGnss.
     *
     * @return success Returns true on success.
     */
    setCallback_2_0(IGnssCallback callback) generates (bool success);

    /**
     * This method returns the IAGnss Interface.
     *
     * The getExtensionAGnss() must return nullptr as the @1.0::IAGnss interface is
     * deprecated.
     *
     * @return aGnssIface Handle to the IAGnss interface.
     */
    getExtensionAGnss_2_0() generates (IAGnss aGnssIface);

    /**
     * This method returns the IAGnssRil Interface.
     *
     * @return aGnssRilIface Handle to the IAGnssRil interface.
     */
    getExtensionAGnssRil_2_0() generates (IAGnssRil aGnssRilIface);

    /**
     * This method returns the IGnssMeasurement interface.
     *
     * Exactly one of getExtensionGnssMeasurement_1_1() and getExtensionGnssMeasurement_2_0() must
     * return a non-null handle, and the other method must return nullptr.
     *
     * @return gnssMeasurementIface Handle to the IGnssMeasurement interface.
     */
    getExtensionGnssMeasurement_2_0() generates (IGnssMeasurement gnssMeasurementIface);

    /**
     * This method returns the IMeasurementCorrections interface.
     *
     * @return measurementCorrectionsIface Handle to the IMeasurementCorrections interface.
     */
     getExtensionMeasurementCorrections()
            generates (IMeasurementCorrections measurementCorrectionsIface);
};