remoteoutputgui.h

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// Copyright (C) 2017 Edouard Griffiths, F4EXB                                   //
//                                                                               //
// This program is free software; you can redistribute it and/or modify          //
// it under the terms of the GNU General Public License as published by          //
// the Free Software Foundation as version 3 of the License, or                  //
// (at your option) any later version.                                           //
//                                                                               //
// This program is distributed in the hope that it will be useful,               //
// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
// GNU General Public License V3 for more details.                               //
//                                                                               //
// You should have received a copy of the GNU General Public License             //
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //

#ifndef INCLUDE_REMOTEOUTPUTGUI_H
#define INCLUDE_REMOTEOUTPUTGUI_H

#include <stdint.h>

#include <QTimer>
#include <QTime>
#include <QWidget>
#include <QNetworkRequest>

#include "plugin/plugininstancegui.h"
#include "util/messagequeue.h"
#include "util/limitedcounter.h"

#include "remoteoutput.h"
#include "remoteoutputsettings.h"

class QNetworkAccessManager;
class QNetworkReply;
class QJsonObject;
class DeviceSampleSink;
class DeviceUISet;

namespace Ui {
    class RemoteOutputGui;
}

class RemoteOutputExpAvg {
public:
    RemoteOutputExpAvg(float alpha) :
        m_alpha(alpha),
        m_start(true),
        m_s(0)
    {}
    int put(int y)
    {
        if (m_start) {
            m_start = false;
            m_s = y;
        } else {
            m_s = m_alpha*y + (1.0-m_alpha)*m_s;
        }
        return roundf(m_s);
    }
    void reset() {
        m_start = true;
    }

private:
    float m_alpha;
    bool m_start;
    float m_s;
};

class RemoteOutputSinkGui : public QWidget, public PluginInstanceGUI {
    Q_OBJECT

public:
    explicit RemoteOutputSinkGui(DeviceUISet *deviceUISet, QWidget* parent = 0);
    virtual ~RemoteOutputSinkGui();
    virtual void destroy();

    void setName(const QString& name);
    QString getName() const;

    void resetToDefaults();
    virtual qint64 getCenterFrequency() const { return m_deviceCenterFrequency; }
    virtual void setCenterFrequency(qint64 centerFrequency) { (void) centerFrequency; }
    QByteArray serialize() const;
    bool deserialize(const QByteArray& data);
    virtual MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
    virtual bool handleMessage(const Message& message);

private:
    Ui::RemoteOutputGui* ui;

    DeviceUISet* m_deviceUISet;
    RemoteOutputSettings m_settings;        
    RemoteOutputSettings m_controlSettings; 
    QTimer m_updateTimer;
    QTimer m_statusTimer;
    DeviceSampleSink* m_deviceSampleSink;
    int m_sampleRate;
    quint64 m_deviceCenterFrequency; 
    int m_samplesCount;
    uint32_t m_tickCount;
    std::size_t m_nbSinceLastFlowCheck;
    int m_lastEngineState;
    bool m_doApplySettings;
    bool m_forceSettings;

    uint32_t m_countUnrecoverable;
    uint32_t m_countRecovered;
    uint32_t m_lastCountUnrecoverable;
    uint32_t m_lastCountRecovered;
    uint32_t m_lastSampleCount;
    uint64_t m_lastTimestampUs;
    bool m_resetCounts;
    QTime m_time;

    QPalette m_paletteGreenText;
    QPalette m_paletteRedText;
    QPalette m_paletteWhiteText;

    MessageQueue m_inputMessageQueue;

    QNetworkAccessManager *m_networkManager;
    QNetworkRequest m_networkRequest;

    void blockApplySettings(bool block);
    void displaySettings();
    void displayTime();
    void sendControl(bool force = false);
    void sendSettings();
    void updateSampleRate();
    void updateTxDelayTooltip();
    void displayEventCounts();
    void displayEventStatus(int recoverableCount, int unrecoverableCount);
    void displayEventTimer();
    void analyzeApiReply(const QJsonObject& jsonObject);

private slots:
    void handleInputMessages();
    void on_sampleRate_changed(quint64 value);
    void on_txDelay_valueChanged(int value);
    void on_nbFECBlocks_valueChanged(int value);
    void on_deviceIndex_returnPressed();
    void on_channelIndex_returnPressed();
    void on_apiAddress_returnPressed();
    void on_apiPort_returnPressed();
    void on_dataAddress_returnPressed();
    void on_dataPort_returnPressed();
    void on_apiApplyButton_clicked(bool checked);
    void on_dataApplyButton_clicked(bool checked);
    void on_startStop_toggled(bool checked);
    void on_eventCountsReset_clicked(bool checked);
    void updateHardware();
    void updateStatus();
    void tick();
    void networkManagerFinished(QNetworkReply *reply);
    void openDeviceSettingsDialog(const QPoint& p);
};

#endif // INCLUDE_REMOTEOUTPUTGUI_H