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/*
* Copyright (C) 2019 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@2.1;
import android.hardware.gnss.measurement_corrections@1.1::IMeasurementCorrections;
import @2.0::IGnss;
import IGnssCallback;
import IGnssMeasurement;
import IGnssConfiguration;
import IGnssAntennaInfo;
/**
* Represents the standard GNSS (Global Navigation Satellite System) interface.
*/
interface IGnss extends @2.0::IGnss {
/**
* Opens the interface and provides the callback routines to the implementation of this
* interface.
*
* The framework calls this method to instruct the GPS engine to prepare for serving requests
* from the framework. The GNSS HAL implementation must respond to all GNSS requests from the
* framework upon successful return from this method until cleanup() method is called to
* close this interface.
*
* @param callback Callback interface for IGnss.
*
* @return success Returns true on success.
*/
setCallback_2_1(IGnssCallback callback) generates (bool success);
/**
* This method returns the IGnssMeasurement interface.
*
* getExtensionGnssMeasurement(), getExtensionGnssMeasurement_1_1(),
* getExtensionGnssMeasurement_2_0(), and getExtensionGnssMeasurement_2_1() methods must return
* non-null. They can all return the same, latest version of IGnssMeasurement.
*
* @return gnssMeasurementIface Handle to the IGnssMeasurement interface.
*/
getExtensionGnssMeasurement_2_1() generates (IGnssMeasurement gnssMeasurementIface);
/**
* This method returns the IGnssConfiguration interface.
*
* getExtensionGnssConfiguration(), getExtensionGnssConfiguration_1_1(),
* getExtensionGnssConfiguration_2_0(), and getExtensionGnssConfiguration_2_1() methods must
* return non-null. They can all return the same, latest version of IGnssConfiguration.
*
* @return gnssConfigurationIface Handle to the IGnssConfiguration interface.
*/
getExtensionGnssConfiguration_2_1() generates (IGnssConfiguration gnssConfigurationIface);
/**
* This method returns the IMeasurementCorrections interface.
*
* Both getExtensionMeasurementCorrections and getExtensionMeasurementCorrections_1_1 must
* return non-null. Both methods can return the same V1.1 IMeasurementCorrections object.
*
* @return measurementCorrectionsIface Handle to the IMeasurementCorrections interface.
*/
getExtensionMeasurementCorrections_1_1()
generates (IMeasurementCorrections measurementCorrectionsIface);
/**
* This method returns the IGnssAntennaInfo interface.
*
* This method must return non-null.
*
* @return gnssAntennaInfoIface Handle to the IGnssAntennaInfo interface.
*/
getExtensionGnssAntennaInfo() generates (IGnssAntennaInfo gnssAntennaInfoIface);
};