SensorHubInputSensor.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 _SENSORHUBINPUTSENSOR_H_
#define _SENSORHUBINPUTSENSOR_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;


/*
 * instantiate one these objects for every SensorHub provided
 * sensor you're interested in
 */
class SensorHubInputSensor : public SensorBase {
public:
	SensorHubInputSensor(const char* uinputName, int32_t sensorId, int32_t sensorType, float s_x, float s_y, float s_z, int x, int y, int z);
	virtual ~SensorHubInputSensor();
	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);

protected:
   virtual void handleEvent(sensors_event_t* handledEvent, input_event const* incomingEvent);

private:
	SensorHubInputSensor();
	SensorHubInputSensor(const SensorHubInputSensor&);
	void operator=(const SensorHubInputSensor&);
    
	InputEventCircularReader *mInputReader;
	sensors_event_t mPendingEvent;
	bool mHasPendingEvent;
	char input_sysfs_path[PATH_MAX];
	int input_sysfs_path_len;
	const char *Name;
	int mEnabled;

	float scale_x;
	float scale_y;
	float scale_z;
	int read_x;
	int read_y;
	int read_z; 
	int setInitialState();
};

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


class SensorHubOrientationSensor: public SensorHubInputSensor  {
public:
	SensorHubOrientationSensor(const char* uinputName, int32_t sensorId, int32_t sensorType, float s_x, float s_y, float s_z, int x, int y, int z)
    : SensorHubInputSensor(uinputName, sensorId, sensorType, s_x, s_y, s_z, x, y, z)
	{
        
	}

protected:
   virtual void handleEvent(sensors_event_t* handledEvent, input_event const* incomingEvent);

private:
    SensorHubOrientationSensor();
    SensorHubOrientationSensor(const SensorHubOrientationSensor&);
};

#endif