gnss/2.0/IGnssBatchingCallback.hal

/*
 * 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@2.0;

/** The callback interface to report measurements from the HAL. */
interface IGnssBatchingCallback {
    /**
     * Called when a batch of locations is output, by various means, including
     * a flush request, as well as the buffer becoming full (if appropriate option
     * is set.)
     *
     * All locations returned by this callback must be cleared from the hardware
     * buffer, such the sequential calls of this callback do not return any
     * redundant locations.  (Same lat/lon, at a new time, is acceptable.)
     *
     * The GnssLocation struct in gnss@2.0 is extended to include elapsed realtime
     * information.
     *
     * @param locations GNSS Location information from HAL.
     */
    gnssLocationBatchCb(vec<GnssLocation> locations);
};