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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_ACCELERATION_SENSOR_H
     18 #define ANDROID_ACCELERATION_SENSOR_H
     19 
     20 #include <stdint.h>
     21 #include <errno.h>
     22 #include <sys/cdefs.h>
     23 #include <sys/types.h>
     24 
     25 
     26 #include "nusensors.h"
     27 #include "SensorBase.h"
     28 #include "InputEventReader.h"
     29 
     30 /*****************************************************************************/
     31 
     32 struct input_event;
     33 
     34 class AccelerationSensor : public SensorBase {
     35     int mEnabled;
     36     int mOrientationEnabled;
     37     InputEventCircularReader mInputReader;
     38     sensors_event_t mPendingEvent;
     39 
     40 public:
     41             AccelerationSensor();
     42     virtual ~AccelerationSensor();
     43 
     44     virtual int readEvents(sensors_event_t* data, int count);
     45     virtual int setDelay(int32_t handle, int64_t ns);
     46     virtual int enable(int32_t handle, int enabled);
     47     int enableOrientation(int enabled);
     48     void processEvent(int code, int value);
     49 };
     50 
     51 /*****************************************************************************/
     52 
     53 #endif  // ANDROID_ACCELERATION_SENSOR_H
     54