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/*
 * Copyright (C) 2008 The Android Open Source Project
 * Copyright (C) 2011 Sorin P. <sorin@hypermagik.com>
 *
 * 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_STK_ALS22x7_SENSOR_H
#define ANDROID_STK_ALS22x7_SENSOR_H

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


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

#define STK_ALS22X7_ENABLE_FILE "/sys/bus/i2c/devices/4-0010/enable"

struct input_event;

class STK_ALS22x7Sensor : public SensorBase {
public:
    STK_ALS22x7Sensor();
    virtual ~STK_ALS22x7Sensor();

    virtual int enable(int32_t handle, int enabled);
    virtual int readEvents(sensors_event_t* data, int count);
    void processEvent(int code, int value);

protected:
    InputEventCircularReader mInputReader;
    sensors_event_t mPendingEvent;

    int isEnabled();
};

#endif  // ANDROID_STK_ALS22x7_SENSOR_H