vacuum.h

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/* Copyright 2017 Michael Olberg <michael.olberg@chalmers.se> */
#ifndef VACUUMCONTROLLER_H
#define VACUUMCONTROLLER_H

#include <QObject>
#include <QTcpSocket>
#include <QByteArray>
#include <QString>

class VacuumController : public QObject {
    Q_OBJECT

 public:
    explicit VacuumController(QObject *parent = 0);
    ~VacuumController();

    void selectGauge(int gauge);  
    float reading();              
    bool isConnected() { return m_connected; }  

 signals:
    // void error();
    void connectionStatus(bool ok);
    void newReading(float p);

 private:
    void connectToServer();
    void closeConnection();
    int tcpSendReceive(QString command, bool interactive);
    void dumpBuffer(QByteArray ba) const;

    void dumpBuffer(bool out, char* buf) const;

    double current;
    QByteArray sendBuffer;
    QByteArray recvBuffer;
    QTcpSocket socket;
    bool m_connected;
    int m_gauge;
};

#endif  // VACUUMCONTROLLER_H