s7connection.h

/******************************************************************************
*   *File: s7connection.h                                                     *
*   *Date: 2013-06-01                                                         *
*   *Version: 1.0                                                             *
*   *Author(s): Jochen Bauer <devel@jochenbauer.net>                          *
*               Lukas Kern <lukas.kern@online.de>                             *
*               Carsten Klein <hook-the-master@gmx.net>                       *
*                                                                             *
*   *License information:                                                     *
*                                                                             *
*   Copyright (C) [2013] [Jochen Bauer, Lukas Kern, Carsten Klein]            *
*                                                                             *
*   This file is part of PLCANALYZER. PLCANALYZER 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; either       *
*   version 2 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 for more details.                              *
*   You should have received a copy of the GNU General Public License         *
*   along with this program; if not, write to the Free Software               *
*   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA             *
*   02110-1301, USA.                                                          *
*                                                                             *
*   *Program name: PLCANALYZER                                                *
*   *What this program does:    Connects to most SIMATIC S7/S5 Controllers    *
*                               * Reads memory areas                          *
*                               * Draws a graph over time for operands        *
*   *Have fun!                                                                *
******************************************************************************/

#ifndef S7CONNECTION_H
#define S7CONNECTION_H
#include <QMessageBox>
#include <QDebug>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <cstdint>

#ifdef LINUX
#include <unistd.h>
#include <sys/time.h>
#include <fcntl.h>
#define UNIX_STYLE
#endif

#ifdef BCCWIN
#include <windows.h>
#include <time.h>
#include <windows.h>
#include <stdio.h>
#define WIN32_LEAN_AND_MEAN
#define WIN_STYLE
#endif

#include "nodave.h"
#include "openS7online.h"
#include "openSocket.h"

// Verfügbare Anzeigeformate
#define AnzFormatBinaer 1
#define AnzFormatBool 2
#define AnzFormatDezimal 3
#define AnzFormatHexadezimal 4
#define AnzFormatGleitpunkt 5
#define AnzFormatZeichen 6

// Datenlänge in Bit
#define DatLenBit 1
#define DatLenByte 8
#define DatLenWord 16
#define DatLenDWord 32

// Connection Settings
struct ConSets
{
    int localMPI;
    int useProto;
    int speed;
    int plcMPI;
    int plc2MPI;
    int rack;
    int slot;
    QString IP_Adr;
};

// Union Datentypen
union OutputTypes
{
    bool Bit;
    char Byte;
    int16_t Int;
    int32_t DInt;
    float Real;
};

// Connection Slot
struct ConSlot
{
    int iAdrBereich;
    int iDBnummer;
    int iStartAdr;
    int iBitnummer;
    int iDatenlaenge;
    int iAnzFormat;
    QColor graphColor;
    OutputTypes RetVal;
};

class S7Connection
{
private:
    // Private Variables
    _daveOSserialType fds;
    daveInterface * di;
    daveConnection * dc, *dc2;
    bool initSuccess;

    // Private Functions


public:
    // Public Functions
    // Class constructor
    S7Connection();

    // Class deconstructor
    ~S7Connection();

    // Opens the Connection witch is set in MyConSets
    bool startConnection(WId WndHandle);

    // Disconnect from PLC, and frees all reserved memory
    void disconnect();

    // Currently only a certain operand is read. To be thrown away or rewritten!
    int getValue();

    // Returns the connection status
    bool isConnected();

    // Reads all variables handed in the Slotvector and writes them back
    void readSlots(QVector<ConSlot> &cSlot, int iAmountSlots);

    // Value output in the desired format from handed slot
    QString interpret(ConSlot &cSlot);

    // Value output just in decimal oder or float format for graph output
    QString interpret(ConSlot &cSlot, bool bGraphOutput);

    // Public Variables
    // Declaire pointer for connection settings
    ConSets* MyConSet;
};


#endif // S7CONNECTION_H