vectorSensorWorker.h

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/* Copyright 2014 - 2015 CyberTech Labs Ltd.
 *
 * 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. */

#pragma once

#include <QtCore/QObject>
#include <QtCore/QScopedPointer>
#include <QtCore/QVector>
#include <QtCore/QTimer>
#include <QtCore/QReadWriteLock>
#include <QtCore/QThread>

#include <trikHal/hardwareAbstractionInterface.h>

#include "deviceState.h"

namespace trikKernel {
class TimeVal;
}

namespace trikControl {

class VectorSensorWorker : public QObject
{
    Q_OBJECT

public:
    VectorSensorWorker(const QString &eventFile, DeviceState &state
            , const trikHal::HardwareAbstractionInterface &hardwareAbstraction
            , QThread &thread);

signals:
    void newData(QVector<int> reading, const trikKernel::TimeVal &eventTime);

public slots:
    QVector<int> read();

private slots:
    void onNewEvent(int eventType, int code, int value, const trikKernel::TimeVal &eventTime);

    void onSensorHanged();

    void onTryReopen();

private:
    QScopedPointer<trikHal::EventFileInterface> mEventFile;

    QVector<int> mReading;

    QVector<int> mReadingUnsynced;

    DeviceState &mState;

    QTimer mLastEventTimer;

    QTimer mTryReopenTimer;

    mutable QReadWriteLock mReadingLock;
};

}