GyroSensor.h

/*
 * 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_GYRO_SENSOR_H
#define ANDROID_GYRO_SENSOR_H

#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>

#include "SensorBase.h"
#include "InputEventReader.h"

/*****************************************************************************/

struct input_event;

class GyroSensor : public SensorBase {
	int mEnabled;
	InputEventCircularReader mInputReader;
	sensors_event_t mPendingEvent;
	bool mHasPendingEvent;
	char input_sysfs_path[PATH_MAX];
	int input_sysfs_path_len;
	int64_t mEnabledTime;

	int setInitialState();

public:
	GyroSensor();
	GyroSensor(char *name);
	virtual ~GyroSensor();
	virtual int readEvents(sensors_event_t* data, int count);
	virtual bool hasPendingEvents() const;
	virtual int setDelay(int32_t handle, int64_t ns);
	virtual int enable(int32_t handle, int enabled);
};

/*****************************************************************************/

#endif  // ANDROID_GYRO_SENSOR_H