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/*
* Copyright (C) 2008 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.
*/
#ifndef ANDROID_AKM_SENSOR_H
#define ANDROID_AKM_SENSOR_H
#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include "sensors.h"
#include "SensorBase.h"
#include "InputEventReader.h"
/*****************************************************************************/
struct input_event;
class AkmSensor : public SensorBase {
public:
AkmSensor();
virtual ~AkmSensor();
enum {
Accelerometer = 0,
MagneticField = 1,
Orientation = 2,
numSensors
};
virtual int setDelay(int32_t handle, int64_t ns);
virtual int enable(int32_t handle, int enabled);
virtual int readEvents(sensors_event_t* data, int count);
void processEvent(int code, int value);
private:
int update_delay();
int loadAKMLibrary();
void *mLibAKM;
uint32_t mEnabled;
uint32_t mPendingMask;
InputEventCircularReader mInputReader;
sensors_event_t mPendingEvents[numSensors];
uint64_t mDelays[numSensors];
};
/*****************************************************************************/
#endif // ANDROID_AKM_SENSOR_H
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