| /* |
| * 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.frameworks.sensorservice@1.0; |
| |
| /** |
| * An IEventQueue is an interface to manage an event queue created by |
| * ISensorManager. |
| */ |
| interface IEventQueue { |
| /** |
| * Enable the selected sensor with a specified sampling period and |
| * max batch report latency. If enableSensor is called multiple times on the |
| * same sensor, the previous calls must be overridden by the last call. |
| * |
| * @param sensorHandle the sensor to enable. Must be a sensor acquired from |
| * the ISensorManager that creates this IEventQueue. |
| * @param samplingPeriodUs |
| * sampling period in microseconds. |
| * @param maxBatchReportLatencyUs |
| * max batch report latency in microseconds. |
| * @return result OK if successful, or |
| * PERMISSION_DENIED, BAD_VALUE, INVALID_OPERATION, |
| * NO_INIT for errors. |
| */ |
| enableSensor(int32_t sensorHandle, |
| int32_t samplingPeriodUs, |
| int64_t maxBatchReportLatencyUs) |
| generates (Result result); |
| |
| /** |
| * Disable the selected sensor. |
| * |
| * @param sensorHandle the sensor to disable. Must be a sensor acquired from |
| * the ISensorManager that creates this IEventQueue. |
| * @return result OK if successful, |
| * BAD_VALUE or NO_INIT for errors. |
| */ |
| disableSensor(int32_t sensorHandle) generates (Result result); |
| }; |