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/*
* Copyright (C) 2017 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.car.hardware;
import android.car.hardware.CarDiagnosticEvent;
import android.car.hardware.ICarDiagnosticEventListener;
/** @hide */
interface ICarDiagnostic {
/**
* Register a callback (or update registration) for diagnostic events.
*/
boolean registerOrUpdateDiagnosticListener(int frameType, int rate,
in ICarDiagnosticEventListener listener) = 1;
/**
* Get the value for the most recent live frame data available.
*/
CarDiagnosticEvent getLatestLiveFrame() = 2;
/**
* Get the list of timestamps for which there exist a freeze frame stored.
*/
long[] getFreezeFrameTimestamps() = 3;
/**
* Get the value for the freeze frame stored given a timestamp.
*/
CarDiagnosticEvent getFreezeFrame(long timestamp) = 4;
/**
* Erase freeze frames given timestamps (or all, if no timestamps).
*/
boolean clearFreezeFrames(in long[] timestamps) = 5;
/**
* Stop receiving diagnostic events for a given callback.
*/
void unregisterDiagnosticListener(int frameType,
in ICarDiagnosticEventListener callback) = 6;
}
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