private int connetti()
        {
            int   i, a = 0, j, res, b = 0, c = 0;
            float d = 0;

            byte[] buf1 = new byte[libnodave.davePartnerListSize];


            fds.rfd = libnodave.openS7online(param.s7online);
            fds.wfd = fds.rfd;
            if (fds.rfd >= 0)
            {
                di = new libnodave.daveInterface(fds, param.IF, param.localMPI, param.useProto, param.speed);
                di.setTimeout(param.timeOut);
                for (i = 0; i < 3; i++)
                {
                    if (0 == di.initAdapter())
                    {
                        initSuccess = true;
                        a           = di.listReachablePartners(buf1);
                        plc.setTextln("daveListReachablePartners List length: " + a);
                        if (a > 0)
                        {
                            for (j = 0; j < a; j++)
                            {
                                if (buf1[j] == libnodave.daveMPIReachable)
                                {
                                    plc.setTextln("Device at address: " + j);
                                }
                            }
                        }
                        break;
                    }
                    else
                    {
                        di.disconnectAdapter();
                    }
                }
                if (!initSuccess)
                {
                    plc.setTextln("Couldn't connect to Adapter!.\n Please try again. You may also try the option -2 for some adapters.");
                    return(-3);
                }

                dc = new libnodave.daveConnection(di, param.plcMPI, 0, 0);

                return(dc.connectPLC());
            }
            else
            {
                plc.setTextln("Couldn't open s7 online ");
                return(-1);
            }
        }
示例#2
0
    public static int Main(string[] args)
    {
        int   i, a = 0, j, res, b = 0, c = 0;
        float d = 0;

        fds.rfd = libnodave.setPort(args[0], "38400", 'O');
        fds.wfd = fds.rfd;
        if (fds.rfd > 0)
        {
            di = new libnodave.daveInterface(fds, "IF1", localMPI, libnodave.daveProtoMPI, libnodave.daveSpeed187k);
            di.setTimeout(1000000);
            res = di.initAdapter();
            if (res == 0)
            {
                dc = new libnodave.daveConnection(di, plcMPI, 0, 0);
                if (0 == dc.connectPLC())
                {
                    res = dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
                    if (res == 0)
                    {
                        a = dc.getS32();
                        b = dc.getS32();
                        c = dc.getS32();
                        d = dc.getFloat();
                        Console.WriteLine("FD0: " + a);
                        Console.WriteLine("FD4: " + b);
                        Console.WriteLine("FD8: " + c);
                        Console.WriteLine("FD12: " + d);
                    }
                    else
                    {
                        Console.WriteLine("error " + res + " " + libnodave.daveStrerror(res));
                    }
                }
                dc.disconnectPLC();
            }
            di.disconnectAdapter();
            libnodave.closePort(fds.rfd);
        }
        else
        {
            Console.WriteLine("Couldn't open serial port " + args[0]);
            return(-1);
        }
        return(0);
    }
示例#3
0
        public bool ConnectPLC()
        {
            try
            {
                daveSerial.rfd = libnodave.openSocket(plcConf.Port, plcConf.IP);
                daveSerial.wfd = daveSerial.rfd;

                if (daveSerial.rfd > 0)
                {
                    daveInterface = new libnodave.daveInterface(daveSerial, "", 0, libnodave.daveProtoISOTCP, libnodave.daveSpeed187k);
                    //daveInterface.setTimeout(1000000);
                    if (0 == daveInterface.initAdapter())
                    {
                        daveConnection = new libnodave.daveConnection(daveInterface, 0, plcConf.Rack, plcConf.Slot);
                        if (0 == daveConnection.connectPLC())
                        {
                            return(true);
                        }
                        else
                        {
                            daveConnection.disconnectPLC();
                            libnodave.closeSocket(daveSerial.rfd);
                            return(false);
                        }
                    }
                    else
                    {
                        daveInterface.disconnectAdapter();
                        libnodave.closeSocket(daveSerial.rfd);
                        return(false);
                    }
                }
                else
                {
                    return(false);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                return(false);
            }
        }
        public PlcS7Access(String ip, Int32 port, Int32 rack, Int32 slot, Int32 timeOut,
            String name = "FN1")
        {
            if (CheckArguments(ip, port, rack, slot))
            {
                _ip = ip;
                _port = port;
                _rack = rack;
                _slot = slot;
                _timeOut = timeOut;
                _name = name;

                _serialType.rfd = libnodave.openSocket(_port, _ip);
                _serialType.wfd = _serialType.rfd;
                if (_serialType.rfd == 0)
                {
                    SendPlcException(DEFAULTERRORCODE, ResPlcAccess.SocketNotOpen);
                }

                _daveInterface = new libnodave.daveInterface(_serialType, _name, LOCALMPI,
                    libnodave.daveProtoISOTCP, libnodave.daveSpeed187k);
                if (_daveInterface == null)
                {
                    SendPlcException(DEFAULTERRORCODE, ResPlcAccess.DaveInterfaceIsNoll);
                }

                _daveInterface.setTimeout(_timeOut);

                int errorCode = _daveInterface.initAdapter();
                if (errorCode != 0)
                {
                    SendPlcException(errorCode);
                }

                _state = PlcConnectionState.Disconnect;
            }
            else
            {
                _state = PlcConnectionState.Error;
            }
        }
示例#5
0
        private void button1_Click(object sender, EventArgs e)
        {
            fds.rfd = libnodave.openSocket(102, textBox2.Text);


            fds.wfd = fds.rfd;

            di = new libnodave.daveInterface(fds, "IF1", 0, libnodave.daveProtoISOTCP, libnodave.daveSpeed187k);
            di.setTimeout(1000);
            res = di.initAdapter();
            try
            {
                dc  = new libnodave.daveConnection(di, 0, 0, 1);
                res = dc.connectPLC();
                MessageBox.Show("连接成功");
            }
            catch (Exception)
            {
                MessageBox.Show("连接失败");
            }
        }
示例#6
0
        private void button1_Click(object sender, EventArgs e)
        {
            fds.rfd = libnodave.openSocket(102, IP);
            fds.wfd = fds.rfd;

            if (fds.rfd > 0)
            {
                di = new libnodave.daveInterface(fds, "IF1", localMPI, useProto, speed);
                di.setTimeout(5000000);

                if (0 == di.initAdapter())
                {
                    initSuccess = 1;
                    dc          = new libnodave.daveConnection(di, plcMPI, rack, slot);
                    int ret = dc.connectPLC();
                    if (ret == 0)
                    {
                        Connection          = true;
                        this.lblstatus.Text = "已经连接PLC" + IP;
                    }
                }
            }
        }
示例#7
0
    public static int Main(string[] args)
    {
        int i,a=0,j,res,b=0,c=0;
        float d=0;

        fds.rfd=libnodave.setPort(args[0],"38400",'O');
        fds.wfd=fds.rfd;
        if (fds.rfd>0) {
        di =new libnodave.daveInterface(fds, "IF1", localMPI, libnodave.daveProtoMPI, libnodave.daveSpeed187k);
            di.setTimeout(1000000);
        res=di.initAdapter();
        if(res==0) {
        dc = new libnodave.daveConnection(di,plcMPI, 0, 0);
        if (0==dc.connectPLC()) {
            res=dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
            if (res==0) {
                a=dc.getS32();
                b=dc.getS32();
                c=dc.getS32();
            d=dc.getFloat();
            Console.WriteLine("FD0: " + a);
            Console.WriteLine("FD4: " + b);
            Console.WriteLine("FD8: " + c);
            Console.WriteLine("FD12: " + d);
            } else
            Console.WriteLine("error "+res+" "+libnodave.daveStrerror(res));
        }
        dc.disconnectPLC();
        }
        di.disconnectAdapter();
        libnodave.closePort(fds.rfd);
        } else {
        Console.WriteLine("Couldn't open serial port "+args[0]);
        return -1;
        }
        return 0;
    }
示例#8
0
    public static int Main(string[] args)
    {
        int   i, a = 0, j, res, b = 0, c = 0;
        float d = 0;

        byte[] buf1 = new byte[libnodave.davePartnerListSize];

        if (args.Length < 1)
        {
            usage();
            return(-1);
        }

        while (args[adrPos][0] == '-')
        {
            if (args[adrPos].StartsWith("--debug="))
            {
                libnodave.daveSetDebug(Convert.ToInt32(args[adrPos].Substring(8)));
                Console.WriteLine("setting debug to: ", Convert.ToInt32(args[adrPos].Substring(8)));
            }
            else if (args[adrPos].StartsWith("-d"))
            {
                libnodave.daveSetDebug(libnodave.daveDebugAll);
            }
            else if (args[adrPos].StartsWith("-s"))
            {
                doStop = true;
            }
            else if (args[adrPos].StartsWith("-w"))
            {
                doWrite = true;
            }
            else if (args[adrPos].StartsWith("-b"))
            {
                doBenchmark = true;
            }
            else if (args[adrPos].StartsWith("--readoutall"))
            {
                doReadout   = true;
                doSFBandSFC = true;
            }
            else if (args[adrPos].StartsWith("--readout"))
            {
                doReadout = true;
            }
            else if (args[adrPos].StartsWith("-r"))
            {
                doRun = true;
            }
            else if (args[adrPos].StartsWith("-e"))
            {
                doExperimental = true;
            }
            else if (args[adrPos].StartsWith("--local="))
            {
                localMPI = Convert.ToInt32(args[adrPos].Substring(8));
                Console.WriteLine("setting local MPI address to: " + localMPI);
            }
            else if (args[adrPos].StartsWith("--mpi="))
            {
                plcMPI = Convert.ToInt32(args[adrPos].Substring(6));
                Console.WriteLine("setting MPI address of PLC to: " + plcMPI);
            }
            else if (args[adrPos].StartsWith("--mpi2="))
            {
                plc2MPI = Convert.ToInt32(args[adrPos].Substring(7));
                Console.WriteLine("setting MPI address of 2md PLC to: " + plc2MPI);
            }
            else if (args[adrPos].StartsWith("--wbit="))
            {
                wbit = Convert.ToInt32(args[adrPos].Substring(7));
                Console.WriteLine("setting bit number: " + wbit);
                doWbit = true;
            }
            else if (args[adrPos].StartsWith("-z"))
            {
                doSZLread = true;
            }
            else if (args[adrPos].StartsWith("-a"))
            {
                doSZLreadAll = true;
            }
            else if (args[adrPos].StartsWith("-m"))
            {
                doMultiple = true;
            }
            else if (args[adrPos].StartsWith("-c"))
            {
                doClear = true;
            }
            else if (args[adrPos].StartsWith("-n"))
            {
                doNewfunctions = true;
            }
            else if (args[adrPos].StartsWith("-9"))
            {
                speed = libnodave.daveSpeed9k;
            }
            else if (args[adrPos].StartsWith("-19"))
            {
                speed = libnodave.daveSpeed19k;
            }
            else if (args[adrPos].StartsWith("-45"))
            {
                speed = libnodave.daveSpeed45k;
            }
            else if (args[adrPos].StartsWith("-93"))
            {
                speed = libnodave.daveSpeed93k;
            }
            else if (args[adrPos].StartsWith("-500"))
            {
                speed = libnodave.daveSpeed500k;
            }
            else if (args[adrPos].StartsWith("-1500"))
            {
                speed = libnodave.daveSpeed1500k;
            }

            adrPos++;
            if (args.Length <= adrPos)
            {
                usage();
                return(-1);
            }
        }

        fds.rfd = libnodave.openS7online(args[adrPos]);
        fds.wfd = fds.rfd;
        if (fds.rfd >= 0)
        {
            di = new libnodave.daveInterface(fds, "IF1", localMPI, useProto, speed);
            di.setTimeout(5000000);
            for (i = 0; i < 3; i++)
            {
                if (0 == di.initAdapter())
                {
                    initSuccess = 1;
                    a           = di.listReachablePartners(buf1);
                    Console.WriteLine("daveListReachablePartners List length: " + a);
                    if (a > 0)
                    {
                        for (j = 0; j < a; j++)
                        {
                            if (buf1[j] == libnodave.daveMPIReachable)
                            {
                                Console.WriteLine("Device at address: " + j);
                            }
                        }
                    }
                    break;
                }
                else
                {
                    di.disconnectAdapter();
                }
            }
            if (initSuccess == 0)
            {
                Console.WriteLine("Couldn't connect to Adapter!.\n Please try again. You may also try the option -2 for some adapters.");
                return(-3);
            }

            dc = new libnodave.daveConnection(di, plcMPI, 0, 0);

            if (0 == dc.connectPLC())
            {
                ;
                res = dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
                if (res == 0)
                {
                    a = dc.getS32();
                    b = dc.getS32();
                    c = dc.getS32();
                    d = dc.getFloat();
                    Console.WriteLine("FD0: " + a);
                    Console.WriteLine("FD4: " + b);
                    Console.WriteLine("FD8: " + c);
                    Console.WriteLine("FD12: " + d);
                }
                else
                {
                    Console.WriteLine("error " + res + " " + libnodave.daveStrerror(res));
                }

                if (doExperimental)
                {
                    Console.WriteLine("Trying to read outputs");
                    res = dc.readBytes(libnodave.daveOutputs, 0, 0, 2, null);
                    Console.WriteLine("function result: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    if (res == 0)
                    {
                        Console.Write("Bytes:");
                        for (b = 0; b < dc.getAnswLen(); b++)
                        {
                            c = dc.getU8();
                            Console.Write(String.Format(" {0:X0}, ", c));
                        }
                        Console.WriteLine("");
                    }
                    a = 0x01;
                    Console.WriteLine("Trying to write outputs");
                    res = dc.writeBytes(libnodave.daveOutputs, 0, 0, 1, BitConverter.GetBytes(a));
                    Console.WriteLine("function result: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    libnodave.daveSetDebug(libnodave.daveDebugAll);
                    res = dc.force200(libnodave.daveOutputs, 0, 0);
                    Console.WriteLine("function result: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    libnodave.daveSetDebug(0);
                    res = dc.force200(libnodave.daveOutputs, 0, 1);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();

                    res = dc.force200(libnodave.daveOutputs, 0, 2);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();
                    res = dc.force200(libnodave.daveOutputs, 0, 3);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();
                    res = dc.force200(libnodave.daveOutputs, 1, 4);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();
                    res = dc.force200(libnodave.daveOutputs, 2, 5);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();
                    res = dc.force200(libnodave.daveOutputs, 3, 7);
                    Console.WriteLine("function result of force: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    wait();
                    Console.WriteLine("Trying to read outputs again\n");
                    res = dc.readBytes(libnodave.daveOutputs, 0, 0, 4, null);
                    Console.WriteLine("function result: " + res + "=" + libnodave.daveStrerror(res) + " " + dc.getAnswLen());
                    if (res == 0)
                    {
                        Console.Write("Bytes:");
                        for (b = 0; b < dc.getAnswLen(); b++)
                        {
                            c = dc.getU8();
                            Console.Write(String.Format(" {0:X0}, ", c));
                        }
                        Console.WriteLine("");
                    }
                }


                if (doWrite)
                {
                    Console.WriteLine("Now we write back these data after incrementing the integers by 1,2 and 3 and the float by 1.1.\n");
                    wait();

/*
 *  Attention! you need to daveSwapIed little endian variables before using them as a buffer for
 *  daveWriteBytes() or before copying them into a buffer for daveWriteBytes()!
 */
                    a = libnodave.daveSwapIed_32(a + 1);
                    dc.writeBytes(libnodave.daveFlags, 0, 0, 4, BitConverter.GetBytes(a));
                    b = libnodave.daveSwapIed_32(b + 2);
                    dc.writeBytes(libnodave.daveFlags, 0, 4, 4, BitConverter.GetBytes(b));
                    c = libnodave.daveSwapIed_32(c + 3);
                    dc.writeBytes(libnodave.daveFlags, 0, 8, 4, BitConverter.GetBytes(c));
                    d = libnodave.toPLCfloat(d + 1.1f);
                    dc.writeBytes(libnodave.daveFlags, 0, 12, 4, BitConverter.GetBytes(d));

/*
 *   Read back and show the new values, so users may notice the difference:
 */
                    dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
                    a = dc.getU32();
                    b = dc.getU32();
                    c = dc.getU32();
                    d = dc.getFloat();
                    Console.WriteLine("FD0: " + a);
                    Console.WriteLine("FD4: " + b);
                    Console.WriteLine("FD8: " + c);
                    Console.WriteLine("FD12: " + d);
                } // doWrite

                if (doClear)
                {
                    Console.WriteLine("Now writing 0 to the bytes FB0...FB15.\n");
//              wait();
                    byte[] aa = { 0, 0, 0, 0 };
                    dc.writeBytes(libnodave.daveFlags, 0, 0, 4, aa);
                    dc.writeBytes(libnodave.daveFlags, 0, 4, 4, aa);
                    dc.writeBytes(libnodave.daveFlags, 0, 8, 4, aa);
                    dc.writeBytes(libnodave.daveFlags, 0, 12, 4, aa);
                    dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
                    a = dc.getU32();
                    b = dc.getU32();
                    c = dc.getU32();
                    d = dc.getFloat();
                    Console.WriteLine("FD0: " + a);
                    Console.WriteLine("FD4: " + b);
                    Console.WriteLine("FD8: " + c);
                    Console.WriteLine("FD12: " + d);
                } // doClear

                if (doSZLread)
                {
                    readSZL(dc, 0x92, 0x0);
                    readSZL(dc, 0xB4, 0x1024);
                    readSZL(dc, 0x111, 0x1);
                    readSZL(dc, 0xD91, 0x0);
                    readSZL(dc, 0x232, 0x4);
                    readSZL(dc, 0x1A0, 0x0);
                    readSZL(dc, 0x0A0, 0x0);
                }

                if (doSZLreadAll)
                {
                    readSZLAll(dc);
                }

                if (doStop)
                {
                    dc.stop();
                }
                if (doRun)
                {
                    dc.start();
                }
                if (doBenchmark)
                {
                    rBenchmark(dc, libnodave.daveFlags);
                }


                if (doNewfunctions)
                {
                    int saveDebug = libnodave.daveGetDebug();

                    Console.WriteLine("Trying to read two consecutive bits from DB11.DBX0.1");;
                    res = dc.readBits(libnodave.daveDB, 11, 1, 2, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    Console.WriteLine("Trying to read no bit (length 0) from DB17.DBX0.1");
                    res = dc.readBits(libnodave.daveDB, 17, 1, 0, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    libnodave.daveSetDebug(libnodave.daveGetDebug() | libnodave.daveDebugPDU);
                    Console.WriteLine("Trying to read a single bit from DB17.DBX0.3\n");
                    res = dc.readBits(libnodave.daveDB, 17, 3, 1, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    Console.WriteLine("Trying to read a single bit from E0.2\n");
                    res = dc.readBits(libnodave.daveInputs, 0, 2, 1, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    a = 0;
                    Console.WriteLine("Writing 0 to EB0\n");
                    res = dc.writeBytes(libnodave.daveOutputs, 0, 0, 1, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    a = 1;
                    Console.WriteLine("Trying to set single bit E0.5\n");
                    res = dc.writeBits(libnodave.daveOutputs, 0, 5, 1, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    Console.WriteLine("Trying to read 1 byte from AAW0\n");
                    res = dc.readBytes(libnodave.daveAnaIn, 0, 0, 2, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    a = 2341;
                    Console.WriteLine("Trying to write 1 word (2 bytes) to AAW0\n");
                    res = dc.writeBytes(libnodave.daveAnaOut, 0, 0, 2, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));

                    Console.WriteLine("Trying to read 4 items from Timers\n");
                    res = dc.readBytes(libnodave.daveTimer, 0, 0, 4, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));
                    if (res == 0)
                    {
                        d = dc.getSeconds();
                        Console.WriteLine("Time: %0.3f, ", d);
                        d = dc.getSeconds();
                        Console.WriteLine("%0.3f, ", d);
                        d = dc.getSeconds();
                        Console.WriteLine("%0.3f, ", d);
                        d = dc.getSeconds();
                        Console.WriteLine(" %0.3f\n", d);

                        d = dc.getSecondsAt(0);
                        Console.WriteLine("Time: %0.3f, ", d);
                        d = dc.getSecondsAt(2);
                        Console.WriteLine("%0.3f, ", d);
                        d = dc.getSecondsAt(4);
                        Console.WriteLine("%0.3f, ", d);
                        d = dc.getSecondsAt(6);
                        Console.WriteLine(" %0.3f\n", d);
                    }

                    Console.WriteLine("Trying to read 4 items from Counters\n");
                    res = dc.readBytes(libnodave.daveCounter, 0, 0, 4, null);
                    Console.WriteLine("function result:" + res + "=" + libnodave.daveStrerror(res));
                    if (res == 0)
                    {
                        c = dc.getCounterValue();
                        Console.WriteLine("Count: %d, ", c);
                        c = dc.getCounterValue();
                        Console.WriteLine("%d, ", c);
                        c = dc.getCounterValue();
                        Console.WriteLine("%d, ", c);
                        c = dc.getCounterValue();
                        Console.WriteLine(" %d\n", c);

                        c = dc.getCounterValueAt(0);
                        Console.WriteLine("Count: %d, ", c);
                        c = dc.getCounterValueAt(2);
                        Console.WriteLine("%d, ", c);
                        c = dc.getCounterValueAt(4);
                        Console.WriteLine("%d, ", c);
                        c = dc.getCounterValueAt(6);
                        Console.WriteLine(" %d\n", c);
                    }

                    libnodave.PDU p = dc.prepareReadRequest();
                    p.addVarToReadRequest(libnodave.daveInputs, 0, 0, 1);
                    p.addVarToReadRequest(libnodave.daveFlags, 0, 0, 4);
                    p.addVarToReadRequest(libnodave.daveDB, 6, 20, 2);
                    p.addVarToReadRequest(libnodave.daveTimer, 0, 0, 4);
                    p.addVarToReadRequest(libnodave.daveTimer, 0, 1, 4);
                    p.addVarToReadRequest(libnodave.daveTimer, 0, 2, 4);
                    p.addVarToReadRequest(libnodave.daveCounter, 0, 0, 4);
                    p.addVarToReadRequest(libnodave.daveCounter, 0, 1, 4);
                    p.addVarToReadRequest(libnodave.daveCounter, 0, 2, 4);
                    libnodave.resultSet rs = new libnodave.resultSet();
                    res = dc.execReadRequest(p, rs);
                    libnodave.daveSetDebug(saveDebug);
                }

//		System.GarbageCollect();

                if (doMultiple)
                {
                    Console.WriteLine("Now testing read multiple variables.\n"
                                      + "This will read 1 Byte from inputs,\n"
                                      + "4 bytes from flags, 2 bytes from DB6,\n"
                                      + "and other 2 bytes from flags");
                    wait();
                    libnodave.PDU p = dc.prepareReadRequest();
                    p.addVarToReadRequest(libnodave.daveInputs, 0, 0, 1);
                    p.addVarToReadRequest(libnodave.daveFlags, 0, 0, 4);
                    p.addVarToReadRequest(libnodave.daveDB, 6, 20, 2);
                    p.addVarToReadRequest(libnodave.daveFlags, 0, 12, 2);
                    p.addBitVarToReadRequest(libnodave.daveFlags, 0, 25 /* 25 is 3.1*/, 1);
                    libnodave.resultSet rs = new libnodave.resultSet();
                    res = dc.execReadRequest(p, rs);

                    Console.Write("Input Byte 0: ");
                    res = dc.useResult(rs, 0); // first result
                    if (res == 0)
                    {
                        a = dc.getU8();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    Console.Write("Flag DWord 0: ");
                    res = dc.useResult(rs, 1); // 2nd result
                    if (res == 0)
                    {
                        a = dc.getS16();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    Console.Write("DB 6 Word 20: ");
                    res = dc.useResult(rs, 2); // 3rd result
                    if (res == 0)
                    {
                        a = dc.getS16();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    Console.Write("Flag Word 12: ");
                    res = dc.useResult(rs, 3); // 4th result
                    if (res == 0)
                    {
                        a = dc.getU16();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    Console.Write("Flag F3.1: ");
                    res = dc.useResult(rs, 4); // 4th result
                    if (res == 0)
                    {
                        a = dc.getU8();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    Console.Write("non existing result (we read 5 items, but try to use a 6th one): ");
                    res = dc.useResult(rs, 5); // 5th result
                    if (res == 0)
                    {
                        a = dc.getU16();
                        Console.WriteLine(a);
                    }
                    else
                    {
                        Console.WriteLine("*** Error: " + libnodave.daveStrerror(res));
                    }

                    if (doWrite)
                    {
                        Console.WriteLine("Now testing write multiple variables:\n"
                                          + "IB0, FW0, QB0, DB6:DBW20 and DB20:DBD24 in a single multiple write.");
                        wait();
//			libnodave.daveSetDebug(0xffff);
                        byte[]        aa = { 0 };
                        libnodave.PDU p2 = dc.prepareWriteRequest();
                        p2.addVarToWriteRequest(libnodave.daveInputs, 0, 0, 1, aa);
                        p2.addVarToWriteRequest(libnodave.daveFlags, 0, 4, 2, aa);
                        p2.addVarToWriteRequest(libnodave.daveOutputs, 0, 0, 2, aa);
                        p2.addVarToWriteRequest(libnodave.daveDB, 6, 20, 2, aa);
                        p2.addVarToWriteRequest(libnodave.daveDB, 20, 24, 4, aa);
                        aa[0] = 1;
                        p2.addBitVarToWriteRequest(libnodave.daveFlags, 0, 27 /* 27 is 3.3*/, 1, aa);
                        rs  = new libnodave.resultSet();
                        res = dc.execWriteRequest(p2, rs);
                        Console.WriteLine("Result code for the entire multiple write operation: " + res + "=" + libnodave.daveStrerror(res));

/*
 * //	I could list the single result codes like this, but I want to tell
 * //	which item should have been written, so I do it in 5 individual lines:
 *
 *                      for (i=0;i<rs.numResults;i++){
 *                          res=rs.results[i].error;
 *                          Console.WriteLine("result code from writing item %d: %d=%s\n",i,res,libnodave.libnodave.daveStrerror(res));
 *                      }
 */
                        int err = rs.getErrorOfResult(0);
                        Console.WriteLine("Result code for writing IB0:       " + err + "=" + libnodave.daveStrerror(err));
                        err = rs.getErrorOfResult(1);
                        Console.WriteLine("Result code for writing FW4:       " + err + "=" + libnodave.daveStrerror(err));
                        err = rs.getErrorOfResult(2);
                        Console.WriteLine("Result code for writing QB0:       " + err + "=" + libnodave.daveStrerror(err));
                        err = rs.getErrorOfResult(3);
                        Console.WriteLine("Result code for writing DB6:DBW20: " + err + "=" + libnodave.daveStrerror(err));
                        err = rs.getErrorOfResult(4);
                        Console.WriteLine("Result code for writing DB20:DBD24:" + err + "=" + libnodave.daveStrerror(err));
                        err = rs.getErrorOfResult(5);
                        Console.WriteLine("Result code for writing F3.3:      " + err + "=" + libnodave.daveStrerror(err));

/*
 *   Read back and show the new values, so users may notice the difference:
 */
                        dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
                        a = dc.getU32();
                        b = dc.getU32();
                        c = dc.getU32();
                        d = dc.getFloat();
                        Console.WriteLine("FD0: %d\n", a);
                        Console.WriteLine("FD4: %d\n", b);
                        Console.WriteLine("FD8: %d\n", c);
                        Console.WriteLine("FD12: %f\n", d);
                    } // doWrite
                }

                dc.disconnectPLC();
            }
            di.disconnectAdapter();
            libnodave.closeS7online(fds.rfd);
            GC.Collect();
            GC.WaitForPendingFinalizers();

            Console.WriteLine("Here we are");
        }
        else
        {
            Console.WriteLine("Couldn't open s7 online " + args[adrPos]);
            return(-1);
        }
        return(0);
    }
示例#9
0
    public static int Main(string[] args)
    {
        int i,a=0,j,res,b=0,c=0;
        float d=0;
        byte[] buf1=new byte[libnodave.davePartnerListSize];

        if (args.Length <1) {
        usage();
        return -1;
        }

        while (args[adrPos][0]=='-') {
        if (args[adrPos].StartsWith("--debug=")) {
        libnodave.daveSetDebug(Convert.ToInt32(args[adrPos].Substring(8)));
        Console.WriteLine("setting debug to: ",Convert.ToInt32(args[adrPos].Substring(8)));
        } else if (args[adrPos].StartsWith("-d")) {
        libnodave.daveSetDebug(libnodave.daveDebugAll);
        } else if (args[adrPos].StartsWith("-s")) {
        doStop=true;
        } else if (args[adrPos].StartsWith("-w")) {
        doWrite=true;
        } else if (args[adrPos].StartsWith("-b")) {
        doBenchmark=true;
        } else if (args[adrPos].StartsWith("--readoutall")) {
        doReadout=true;
        doSFBandSFC=true;
        } else if (args[adrPos].StartsWith("--readout")) {
        doReadout=true;
        } else if (args[adrPos].StartsWith("-r")) {
        doRun=true;
        } else if (args[adrPos].StartsWith("-e")) {
        doExperimental=true;
        } else if (args[adrPos].StartsWith("--local=")) {
        localMPI=Convert.ToInt32(args[adrPos].Substring(8));
        Console.WriteLine("setting local MPI address to: "+localMPI);
        } else if (args[adrPos].StartsWith("--mpi=")) {
        plcMPI=Convert.ToInt32(args[adrPos].Substring(6));
        Console.WriteLine("setting MPI address of PLC to: "+plcMPI);
        } else if (args[adrPos].StartsWith("--mpi2=")) {
        plc2MPI=Convert.ToInt32(args[adrPos].Substring(7));
        Console.WriteLine("setting MPI address of 2md PLC to: "+plc2MPI);
        } else if (args[adrPos].StartsWith("--wbit=")) {
        wbit=Convert.ToInt32(args[adrPos].Substring(7));
        Console.WriteLine("setting bit number: "+wbit);
        doWbit=true;
        } else if (args[adrPos].StartsWith("-z")) {
        doSZLread=true;
        } else if (args[adrPos].StartsWith("-a")) {
        doSZLreadAll=true;
        } else if (args[adrPos].StartsWith("-m")) {
        doMultiple=true;
        } else if (args[adrPos].StartsWith("-c")) {
        doClear=true;
        } else if (args[adrPos].StartsWith("-n")) {
        doNewfunctions=true;
        } else if (args[adrPos].StartsWith("-2")) {
        useProto=libnodave.daveProtoMPI2;
        } else if (args[adrPos].StartsWith("-3")) {
        useProto=libnodave.daveProtoMPI3;
        } else if (args[adrPos].StartsWith("-9")) {
         	    speed=libnodave.daveSpeed9k;
         	} else if (args[adrPos].StartsWith("-19")) {
         	    speed=libnodave.daveSpeed19k;
         	} else if (args[adrPos].StartsWith("-45")) {
         	    speed=libnodave.daveSpeed45k;
         	} else if (args[adrPos].StartsWith("-93")) {
         	    speed=libnodave.daveSpeed93k;
         	} else if (args[adrPos].StartsWith("-500")) {
         	    speed=libnodave.daveSpeed500k;
         	} else if (args[adrPos].StartsWith("-1500")) {
         	    speed=libnodave.daveSpeed1500k;
         	}

        adrPos++;
        if (args.Length<=adrPos) {
        usage();
        return -1;
        }
        }

        fds.rfd=libnodave.setPort(args[adrPos],"38400",'O');
        fds.wfd=fds.rfd;
        if (fds.rfd>0) {
        di =new libnodave.daveInterface(fds, "IF1", localMPI, useProto, speed);
            di.setTimeout(5000000);
            for (i=0; i<3; i++) {
        if (0==di.initAdapter()) {
            initSuccess=1;
        //		    a= libnodave.daveListReachablePartners(di,buf1);
            a= di.listReachablePartners(buf1);
            Console.WriteLine("daveListReachablePartners List length: "+a);
            if (a>0) {
            for (j=0;j<a;j++) {
                if (buf1[j]==libnodave.daveMPIReachable)
                Console.WriteLine("Device at address: "+j);
            }
            }
            break;
        } else di.disconnectAdapter();
        }
        if (initSuccess==0) {
            Console.WriteLine("Couldn't connect to Adapter!.\n Please try again. You may also try the option -2 for some adapters.");
            return -3;
        }

        dc = new libnodave.daveConnection(di,plcMPI,0,0);

        if (0==dc.connectPLC()) {;
        res=dc.readBytes(libnodave.daveFlags, 0, 0, 16, null);
        if (res==0) {
                a=dc.getS32();
                b=dc.getS32();
                c=dc.getS32();
            d=dc.getFloat();
            Console.WriteLine("FD0: " + a);
            Console.WriteLine("FD4: " + b);
            Console.WriteLine("FD8: " + c);
            Console.WriteLine("FD12: " + d);
        } else
            Console.WriteLine("error "+res+" "+libnodave.daveStrerror(res));

        if(doExperimental) {
            Console.WriteLine("Trying to read outputs");
            res=dc.readBytes(libnodave.daveOutputs, 0, 0, 2, null);
            Console.WriteLine("function result: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            if (res==0) {
                Console.Write("Bytes:");
            for (b=0; b<dc.getAnswLen(); b++) {
                c=dc.getU8();
                Console.Write(String.Format(" {0:X0}, ",c));
            }
            Console.WriteLine("");
            }
            a=0x01;
            Console.WriteLine("Trying to write outputs");
            res=dc.writeBytes(libnodave.daveOutputs, 0, 0, 1, BitConverter.GetBytes(a));
            Console.WriteLine("function result: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            libnodave.daveSetDebug(libnodave.daveDebugAll);
            res=dc.force200(libnodave.daveOutputs,0,0);
            Console.WriteLine("function result: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            libnodave.daveSetDebug(0);
            res=dc.force200(libnodave.daveOutputs,0,1);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();

            res=dc.force200(libnodave.daveOutputs,0,2);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();
            res=dc.force200(libnodave.daveOutputs,0,3);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();
            res=dc.force200(libnodave.daveOutputs,1,4);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();
            res=dc.force200(libnodave.daveOutputs,2,5);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();
            res=dc.force200(libnodave.daveOutputs,3,7);
            Console.WriteLine("function result of force: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            wait();
            Console.WriteLine("Trying to read outputs again\n");
            res=dc.readBytes(libnodave.daveOutputs, 0, 0, 4, null);
            Console.WriteLine("function result: "+res+"="+libnodave.daveStrerror(res)+" "+dc.getAnswLen());
            if (res==0) {
                Console.Write("Bytes:");
            for (b=0; b<dc.getAnswLen(); b++) {
                c=dc.getU8();
                Console.Write(String.Format(" {0:X0}, ",c));
            }
            Console.WriteLine("");
            }
        }

        if(doWrite) {
                Console.WriteLine("Now we write back these data after incrementing the integers by 1,2 and 3 and the float by 1.1.\n");
                wait();
        /*
        Attention! you need to daveSwapIed little endian variables before using them as a buffer for
        daveWriteBytes() or before copying them into a buffer for daveWriteBytes()!
        */
                a=libnodave.daveSwapIed_32(a+1);
            dc.writeBytes(libnodave.daveFlags,0,0,4,BitConverter.GetBytes(a));
                    b=libnodave.daveSwapIed_32(b+2);
            dc.writeBytes(libnodave.daveFlags,0,4,4,BitConverter.GetBytes(b));
                c=libnodave.daveSwapIed_32(c+3);
            dc.writeBytes(libnodave.daveFlags,0,8,4,BitConverter.GetBytes(c));
                    d=libnodave.toPLCfloat(d+1.1f);
                dc.writeBytes(libnodave.daveFlags,0,12,4,BitConverter.GetBytes(d));
        /*
         *   Read back and show the new values, so users may notice the difference:
         */
                dc.readBytes(libnodave.daveFlags,0,0,16, null);
            a=dc.getU32();
                    b=dc.getU32();
            c=dc.getU32();
                d=dc.getFloat();
            Console.WriteLine("FD0: "+a);
            Console.WriteLine("FD4: "+b);
            Console.WriteLine("FD8: "+c);
            Console.WriteLine("FD12: "+d);
        } // doWrite

        if(doClear) {
                Console.WriteLine("Now writing 0 to the bytes FB0...FB15.\n");
        //    		    wait();
            byte[] aa={0,0,0,0};
                dc.writeBytes(libnodave.daveFlags,0,0,4,aa);
                dc.writeBytes(libnodave.daveFlags,0,4,4,aa);
            dc.writeBytes(libnodave.daveFlags,0,8,4,aa);
                dc.writeBytes(libnodave.daveFlags,0,12,4,aa);
            dc.readBytes(libnodave.daveFlags,0,0,16, null);
                a=dc.getU32();
                b=dc.getU32();
                c=dc.getU32();
                d=dc.getFloat();
            Console.WriteLine("FD0: "+a);
            Console.WriteLine("FD4: "+b);
            Console.WriteLine("FD8: "+c);
            Console.WriteLine("FD12: "+d);
        } // doClear

        if(doSZLread) {
            readSZL(dc,0x92,0x0);
                readSZL(dc,0xB4,0x1024);
            readSZL(dc,0x111,0x1);
            readSZL(dc,0xD91,0x0);
            readSZL(dc,0x232,0x4);
            readSZL(dc,0x1A0,0x0);
            readSZL(dc,0x0A0,0x0);
        }

        if(doSZLreadAll) {
            readSZLAll(dc);
        }

        if(doStop) {
            dc.stop();
        }
        if(doRun) {
            dc.start();
        }
        if(doBenchmark) {
            rBenchmark(dc,libnodave.daveFlags);
        }

        if(doReadout) {
            loadBlocksOfType(dc, libnodave.daveBlockType_OB, doReadout);
            loadBlocksOfType(dc, libnodave.daveBlockType_FC, doReadout);
            loadBlocksOfType(dc, libnodave.daveBlockType_FB, doReadout);
            loadBlocksOfType(dc, libnodave.daveBlockType_DB, doReadout);
            loadBlocksOfType(dc, libnodave.daveBlockType_SDB, doReadout);
        }

        if(doNewfunctions) {
            int saveDebug=libnodave.daveGetDebug();

            Console.WriteLine("Trying to read two consecutive bits from DB11.DBX0.1");;
            res=dc.readBits(libnodave.daveDB, 11, 1, 2, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            Console.WriteLine("Trying to read no bit (length 0) from DB17.DBX0.1");
            res=dc.readBits(libnodave.daveDB, 17, 1, 0, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            libnodave.daveSetDebug(libnodave.daveGetDebug()|libnodave.daveDebugPDU);
            Console.WriteLine("Trying to read a single bit from DB17.DBX0.3\n");
            res=dc.readBits(libnodave.daveDB, 17, 3, 1, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            Console.WriteLine("Trying to read a single bit from E0.2\n");
            res=dc.readBits(libnodave.daveInputs, 0, 2, 1, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            a=0;
            Console.WriteLine("Writing 0 to EB0\n");
            res=dc.writeBytes(libnodave.daveOutputs, 0, 0, 1, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            a=1;
            Console.WriteLine("Trying to set single bit E0.5\n");
            res=dc.writeBits(libnodave.daveOutputs, 0, 5, 1, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            Console.WriteLine("Trying to read 1 byte from AAW0\n");
            res=dc.readBytes(libnodave.daveAnaIn, 0, 0, 2, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            a=2341;
            Console.WriteLine("Trying to write 1 word (2 bytes) to AAW0\n");
            res=dc.writeBytes(libnodave.daveAnaOut, 0, 0, 2, BitConverter.GetBytes(libnodave.daveSwapIed_32(a)));
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));

            Console.WriteLine("Trying to read 4 items from Timers\n");
            res=dc.readBytes(libnodave.daveTimer, 0, 0, 4, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));
            if(res==0) {
            d=dc.getSeconds();
            Console.WriteLine("Time: %0.3f, ",d);
                d=dc.getSeconds();
            Console.WriteLine("%0.3f, ",d);
            d=dc.getSeconds();
            Console.WriteLine("%0.3f, ",d);
            d=dc.getSeconds();
            Console.WriteLine(" %0.3f\n",d);

                d=dc.getSecondsAt(0);
                Console.WriteLine("Time: %0.3f, ",d);
                d=dc.getSecondsAt(2);
            Console.WriteLine("%0.3f, ",d);
                d=dc.getSecondsAt(4);
                Console.WriteLine("%0.3f, ",d);
                d=dc.getSecondsAt(6);
                Console.WriteLine(" %0.3f\n",d);
            }

            Console.WriteLine("Trying to read 4 items from Counters\n");
            res=dc.readBytes(libnodave.daveCounter, 0, 0, 4, null);
            Console.WriteLine("function result:" + res+ "="+libnodave.daveStrerror(res));
            if(res==0) {
                c=dc.getCounterValue();
                Console.WriteLine("Count: %d, ",c);
            c=dc.getCounterValue();
                Console.WriteLine("%d, ",c);
            c=dc.getCounterValue();
            Console.WriteLine("%d, ",c);
            c=dc.getCounterValue();
                Console.WriteLine(" %d\n",c);

            c=dc.getCounterValueAt(0);
                Console.WriteLine("Count: %d, ",c);
                c=dc.getCounterValueAt(2);
                Console.WriteLine("%d, ",c);
                c=dc.getCounterValueAt(4);
                Console.WriteLine("%d, ",c);
                c=dc.getCounterValueAt(6);
                Console.WriteLine(" %d\n",c);
            }

            libnodave.PDU p=dc.prepareReadRequest();
            p.addVarToReadRequest(libnodave.daveInputs,0,0,1);
            p.addVarToReadRequest(libnodave.daveFlags,0,0,4);
            p.addVarToReadRequest(libnodave.daveDB,6,20,2);
            p.addVarToReadRequest(libnodave.daveTimer,0,0,4);
            p.addVarToReadRequest(libnodave.daveTimer,0,1,4);
            p.addVarToReadRequest(libnodave.daveTimer,0,2,4);
            p.addVarToReadRequest(libnodave.daveCounter,0,0,4);
            p.addVarToReadRequest(libnodave.daveCounter,0,1,4);
            p.addVarToReadRequest(libnodave.daveCounter,0,2,4);
            libnodave.resultSet rs=new libnodave.resultSet();
                res=dc.execReadRequest(p, rs);
            libnodave.daveSetDebug(saveDebug);
        }

        //		System.GarbageCollect();

        if(doMultiple) {
                Console.WriteLine("Now testing read multiple variables.\n"
                    +"This will read 1 Byte from inputs,\n"
                    +"4 bytes from flags, 2 bytes from DB6,\n"
                    +"and other 2 bytes from flags");
                wait();
            libnodave.PDU p=dc.prepareReadRequest();
            p.addVarToReadRequest(libnodave.daveInputs,0,0,1);
            p.addVarToReadRequest(libnodave.daveFlags,0,0,4);
            p.addVarToReadRequest(libnodave.daveDB,6,20,2);
            p.addVarToReadRequest(libnodave.daveFlags,0,12,2);
            p.addBitVarToReadRequest(libnodave.daveFlags, 0, 25 /* 25 is 3.1*/, 1);
            libnodave.resultSet rs=new libnodave.resultSet();
            res=dc.execReadRequest(p, rs);

            Console.Write("Input Byte 0: ");
            res=dc.useResult(rs, 0); // first result
            if (res==0) {
            a=dc.getU8();
                Console.WriteLine(a);
            } else
            Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            Console.Write("Flag DWord 0: ");
            res=dc.useResult(rs, 1); // 2nd result
            if (res==0) {
            a=dc.getS16();
                Console.WriteLine(a);
            } else
            Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            Console.Write("DB 6 Word 20: ");
            res=dc.useResult(rs, 2); // 3rd result
            if (res==0) {
            a=dc.getS16();
                Console.WriteLine(a);
            } else
            Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            Console.Write("Flag Word 12: ");
            res=dc.useResult(rs, 3); // 4th result
            if (res==0) {
            a=dc.getU16();
                Console.WriteLine(a);
                } else
                Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            Console.Write("Flag F3.1: ");
            res=dc.useResult(rs, 4); // 4th result
            if (res==0) {
            a=dc.getU8();
                Console.WriteLine(a);
            } else
            Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            Console.Write("non existing result (we read 5 items, but try to use a 6th one): ");
            res=dc.useResult(rs, 5); // 5th result
            if (res==0) {
            a=dc.getU16();
                Console.WriteLine(a);
            } else
            Console.WriteLine("*** Error: "+libnodave.daveStrerror(res));

            if (doWrite){
            Console.WriteLine("Now testing write multiple variables:\n"
                +"IB0, FW0, QB0, DB6:DBW20 and DB20:DBD24 in a single multiple write.");
            wait();
        //			libnodave.daveSetDebug(0xffff);
            byte[] aa={0};
                libnodave.PDU p2=dc.prepareWriteRequest();
            p2.addVarToWriteRequest(libnodave.daveInputs,0,0,1, aa);
            p2.addVarToWriteRequest(libnodave.daveFlags,0,4,2, aa);
                p2.addVarToWriteRequest(libnodave.daveOutputs,0,0,2, aa);
            p2.addVarToWriteRequest(libnodave.daveDB,6,20,2, aa);
            p2.addVarToWriteRequest(libnodave.daveDB,20,24,4, aa);
            aa[0]=1;
            p2.addBitVarToWriteRequest(libnodave.daveFlags, 0, 27 /* 27 is 3.3*/, 1, aa);
            rs =new libnodave.resultSet();
            res=dc.execWriteRequest(p2, rs);
            Console.WriteLine("Result code for the entire multiple write operation: "+res+"="+libnodave.daveStrerror(res));
        /*
        //	I could list the single result codes like this, but I want to tell
        //	which item should have been written, so I do it in 5 individual lines:

            for (i=0;i<rs.numResults;i++){
                res=rs.results[i].error;
                Console.WriteLine("result code from writing item %d: %d=%s\n",i,res,libnodave.libnodave.daveStrerror(res));
            }
        */
            int err=rs.getErrorOfResult(0);
            Console.WriteLine("Result code for writing IB0:       "+err+"="+libnodave.daveStrerror(err));
            err=rs.getErrorOfResult(1);
            Console.WriteLine("Result code for writing FW4:       "+err+"="+libnodave.daveStrerror(err));
            err=rs.getErrorOfResult(2);
            Console.WriteLine("Result code for writing QB0:       "+err+"="+libnodave.daveStrerror(err));
            err=rs.getErrorOfResult(3);
            Console.WriteLine("Result code for writing DB6:DBW20: "+err+"="+libnodave.daveStrerror(err));
            err=rs.getErrorOfResult(4);
            Console.WriteLine("Result code for writing DB20:DBD24:"+err+"="+libnodave.daveStrerror(err));
            err=rs.getErrorOfResult(5);
            Console.WriteLine("Result code for writing F3.3:      "+err+"="+libnodave.daveStrerror(err));
        /*
         *   Read back and show the new values, so users may notice the difference:
         */
                dc.readBytes(libnodave.daveFlags,0,0,16, null);
                a=dc.getU32();
                b=dc.getU32();
                c=dc.getU32();
                d=dc.getFloat();
                Console.WriteLine("FD0: %d\n",a);
            Console.WriteLine("FD4: %d\n",b);
            Console.WriteLine("FD8: %d\n",c);
                Console.WriteLine("FD12: %f\n",d);
            } // doWrite
        }

        dc.disconnectPLC();
        }
        di.disconnectAdapter();
        GC.Collect();
        GC.WaitForPendingFinalizers();
        Console.WriteLine("Here we are");
        } else {
        Console.WriteLine("Couldn't open serial port "+args[adrPos]);
        return -1;
        }
        return 0;
    }
        private int connetti()
        {
            int i, a = 0, j, res, b = 0, c = 0;
            float d = 0;
            byte[] buf1 = new byte[libnodave.davePartnerListSize];

            fds.rfd = libnodave.openS7online(param.s7online);
            fds.wfd = fds.rfd;
            if (fds.rfd >= 0)
            {
                di = new libnodave.daveInterface(fds, param.IF, param.localMPI, param.useProto, param.speed);
                di.setTimeout(param.timeOut);
                for (i = 0; i < 3; i++)
                {
                    if (0 == di.initAdapter())
                    {
                        initSuccess = true;
                        a = di.listReachablePartners(buf1);
                        plc.setTextln("daveListReachablePartners List length: " + a);
                        if (a > 0)
                        {
                            for (j = 0; j < a; j++)
                            {
                                if (buf1[j] == libnodave.daveMPIReachable)
                                    plc.setTextln("Device at address: " + j);
                            }
                        }
                        break;
                    }
                    else di.disconnectAdapter();
                }
                if (!initSuccess)
                {
                    plc.setTextln("Couldn't connect to Adapter!.\n Please try again. You may also try the option -2 for some adapters.");
                    return -3;
                }

                dc = new libnodave.daveConnection(di, param.plcMPI, 0, 0);

                return dc.connectPLC();

            }
            else
            {
                plc.setTextln("Couldn't open s7 online ");
                return -1;
            }
        }
示例#11
0
    public static int Main(string[] args)
    {
        int rack, slot;
        int DB = 0, DataByte = 0, len = 0;
        int res;
        int p0 = 0, p1 = 0;
        int area        = 0;
        int bitnumber   = 0;
        int IO          = 0;
        var WriteBuffer = new byte[] { 0x00, 0x00, 0x00, 0x00 };

        bool myBit  = false;
        byte myByte = 0;

        System.Int16  myWord    = 0;
        System.Int32  myDWord   = 0;
        System.Single mySingle  = 0.0f;
        Byte[]        byteArray = { 0x00, 0x00, 0x00, 0x00 };
        string        str       = "";
        string        Address   = "";
        string        PLC       = "255.255.255.255";

        libnodave.daveSetDebug(libnodave.daveDebugRawRead);

        if (args.Length != 4 && args.Length != 5)
        {
            Console.WriteLine("");
            Console.WriteLine("Usage:");
            Console.WriteLine("S7PLCVar.exe [ipaddress] [rack] [slot] [address] [value]");
            Console.WriteLine("");
            Console.WriteLine("Examples:");
            Console.WriteLine(" Read bit value from I7.3");
            Console.WriteLine(" S7PLCVar.exe 172.24.40.191 0 3 I7.3");
            Console.WriteLine("");
            Console.WriteLine(" Read bit value from DB10.DBX14.5");
            Console.WriteLine(" S7PLCVar.exe 172.24.40.191 0 3 DB10.DBX14.5");
            Console.WriteLine("");
            Console.WriteLine(" Write DWord value 1234 to DB10.DBD14");
            Console.WriteLine(" S7PLCVar.exe 172.24.40.191 0 3 DB10.DBD14 1234");
            Console.WriteLine("");
            Console.WriteLine(" Write Output bit True to Q3.5");
            Console.WriteLine(" S7PLCVar.exe 172.24.40.191 0 3 Q3.5 True");
            Console.WriteLine("");
            return(-2);
        }
        else
        {
            PLC     = args[0];
            rack    = Convert.ToInt32(args[1]);
            slot    = Convert.ToInt32(args[2]);
            Address = args[3].ToUpper();

            if (args.Length == 5)
            {
                IO = OUTPUTS;
            }
            else
            {
                IO = INPUTS;
            }

            // ***************************************************************************
            //                   Datablocks
            // ***************************************************************************
            if (Address.Contains(".DBX"))
            {
                area = libnodave.daveDB;
                len  = 1;

                p0  = 2;
                p1  = Address.IndexOf(".DBX") - p0;
                str = Address.Substring(p0, p1);
                DB  = Convert.ToInt32(str);

                p0       = Address.IndexOf(".DBX") + 4;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(Convert.ToDouble(str));

                p0        = Address.Length - 1;
                p1        = 1;
                str       = Address.Substring(p0, p1);
                bitnumber = Convert.ToInt32(str) + 1;

                if (IO == OUTPUTS)
                {
                    myBit = Convert.ToBoolean(args[4]);
                }
            }
            else if (Address.Contains(".DBB"))
            {
                area = libnodave.daveDB;
                len  = 1;

                p0  = 2;
                p1  = Address.IndexOf(".DBB") - p0;
                str = Address.Substring(p0, p1);
                DB  = Convert.ToInt32(str);

                p0       = Address.IndexOf(".DBB") + 4;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    myByte = Convert.ToByte(args[4]);
                }
            }
            else if (Address.Contains(".DBW"))
            {
                area = libnodave.daveDB;
                len  = 2;

                p0  = 2;
                p1  = Address.IndexOf(".DBW") - p0;
                str = Address.Substring(p0, p1);
                DB  = Convert.ToInt32(str);

                p0       = Address.IndexOf(".DBW") + 4;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    myWord = Convert.ToInt16(args[4]);
                }
            }
            else if (Address.Contains(".DBD"))
            {
                area = libnodave.daveDB;
                len  = 4;

                p0  = 2;
                p1  = Address.IndexOf(".DBD") - p0;
                str = Address.Substring(p0, p1);
                DB  = Convert.ToInt32(str);

                p0       = Address.IndexOf(".DBD") + 4;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    if (args[4].Contains("."))
                    {
                        mySingle  = Convert.ToSingle(args[4]);
                        byteArray = BitConverter.GetBytes(mySingle);
                        myDWord   = BitConverter.ToInt32(byteArray, 0);
                    }
                    else
                    {
                        myDWord = Convert.ToInt32(args[4]);
                    }
                }
            }
            // ***************************************************************************
            //                   INPUTS
            // ***************************************************************************
            else if (Address.Substring(0, 3).Contains("PIB"))
            {
                area = libnodave.daveInputs;
                len  = 1;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 3).Contains("PIW"))
            {
                area = libnodave.daveInputs;
                len  = 2;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 3).Contains("PID"))
            {
                area = libnodave.daveInputs;
                len  = 4;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 2).Contains("IB"))
            {
                area = libnodave.daveInputs;
                len  = 1;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 2).Contains("IW"))
            {
                area = libnodave.daveInputs;
                len  = 2;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 2).Contains("ID"))
            {
                area = libnodave.daveInputs;
                len  = 4;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);
            }
            else if (Address.Substring(0, 1).Contains("I"))
            {
                area = libnodave.daveInputs;

                p0       = 1;
                p1       = Address.IndexOf(".") - 1;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                p1        = p1 + 2;
                str       = Address.Substring(p1, 1);
                bitnumber = Convert.ToInt32(str) + 1;

                len = 1;
            }


            // ***************************************************************************
            //                   OUTPUTS
            // ***************************************************************************
            else if (Address.Substring(0, 3).Contains("PQB"))
            {
                area = libnodave.daveOutputs;
                len  = 1;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                myByte = Convert.ToByte(args[4]);
            }
            else if (Address.Substring(0, 3).Contains("PQW"))
            {
                area = libnodave.daveOutputs;
                len  = 2;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                myWord = Convert.ToInt16(args[4]);
            }
            else if (Address.Substring(0, 3).Contains("PQD"))
            {
                area = libnodave.daveOutputs;
                len  = 4;

                p0       = 3;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    if (args[4].Contains("."))
                    {
                        mySingle  = Convert.ToSingle(args[4]);
                        byteArray = BitConverter.GetBytes(mySingle);
                        myDWord   = BitConverter.ToInt32(byteArray, 0);
                    }
                    else
                    {
                        myDWord = Convert.ToInt32(args[4]);
                    }
                }
            }
            else if (Address.Substring(0, 3).Contains("QB"))
            {
                area = libnodave.daveOutputs;
                len  = 1;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                myByte = Convert.ToByte(args[4]);
            }
            else if (Address.Substring(0, 3).Contains("QW"))
            {
                area = libnodave.daveOutputs;
                len  = 2;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                myWord = Convert.ToInt16(args[4]);
            }
            else if (Address.Substring(0, 3).Contains("QD"))
            {
                area = libnodave.daveOutputs;
                len  = 4;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    if (args[4].Contains("."))
                    {
                        mySingle  = Convert.ToSingle(args[4]);
                        byteArray = BitConverter.GetBytes(mySingle);
                        myDWord   = BitConverter.ToInt32(byteArray, 0);
                    }
                    else
                    {
                        myDWord = Convert.ToInt32(args[4]);
                    }
                }
            }
            else if (Address.Substring(0, 1).Contains("Q"))
            {
                area = libnodave.daveOutputs;
                len  = 1;

                p0       = 1;
                p1       = Address.IndexOf(".") - 1;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                p1        = p1 + 2;
                str       = Address.Substring(p1, 1);
                bitnumber = Convert.ToInt32(str) + 1;

                myBit = Convert.ToBoolean(args[4]);
            }

            // ***************************************************************************
            //                   Merkers / Flags
            // ***************************************************************************
            else if (Address.Substring(0, 3).Contains("MB"))
            {
                area = libnodave.daveFlags;
                len  = 1;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    myByte = Convert.ToByte(args[4]);
                }
            }
            else if (Address.Substring(0, 3).Contains("MW"))
            {
                area = libnodave.daveFlags;
                len  = 2;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    myWord = Convert.ToInt16(args[4]);
                }
            }
            else if (Address.Substring(0, 3).Contains("MD"))
            {
                area = libnodave.daveFlags;
                len  = 4;

                p0       = 2;
                p1       = Address.Length - p0;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                if (IO == OUTPUTS)
                {
                    if (args[4].Contains("."))
                    {
                        mySingle  = Convert.ToSingle(args[4]);
                        byteArray = BitConverter.GetBytes(mySingle);
                        myDWord   = BitConverter.ToInt32(byteArray, 0);
                    }
                    else
                    {
                        myDWord = Convert.ToInt32(args[4]);
                    }
                }
            }
            else if (Address.Substring(0, 1).Contains("M"))
            {
                area = libnodave.daveFlags;
                len  = 1;

                p0       = 1;
                p1       = Address.IndexOf(".") - 1;
                str      = Address.Substring(p0, p1);
                DataByte = Convert.ToInt32(str);

                p1        = p1 + 2;
                str       = Address.Substring(p1, 1);
                bitnumber = Convert.ToInt32(str) + 1;

                if (IO == OUTPUTS)
                {
                    myBit = Convert.ToBoolean(args[4]);
                }
            }
            // ***************************************************************************
            else if (Address.Substring(0, 1).Contains("C"))
            {
                area = libnodave.daveCounter;
            }
            else if (Address.Substring(0, 1).Contains("T"))
            {
                area = libnodave.daveTimer;
            }

            fds.rfd = libnodave.openSocket(102, PLC);
            fds.wfd = fds.rfd;
            if (fds.rfd > 0)
            {
                di = new libnodave.daveInterface(fds, "IF1", 0, libnodave.daveProtoISOTCP, libnodave.daveSpeed187k);
                di.setTimeout(1000000);
                res = di.initAdapter();
                if (res == 0)
                {
                    dc = new libnodave.daveConnection(di, 0, rack, slot);
                    if (0 == dc.connectPLC())
                    {
                        if (IO == 0)
                        {
                            Console.WriteLine("Onbekende Input of Output modus.");
                            return(-3);
                        }
                        if (IO == OUTPUTS)
                        {
                            if (area == libnodave.daveDB || area == libnodave.daveOutputs || area == libnodave.daveFlags)
                            {
                                if (bitnumber > 0)
                                {
                                    res = dc.readBytes(area, DB, DataByte, len, null);
                                    if (res == 0)
                                    {
                                        // Eerst Byte inlezen
                                        myByte = (byte)dc.getU8();

                                        // Daarna Bitje in Byte aanpassen.
                                        if (myBit)
                                        {
                                            myByte = Convert.ToByte(Convert.ToInt16(myByte) + Convert.ToInt16(System.Math.Pow(2, bitnumber - 1)));
                                        }
                                        else
                                        {
                                            myByte = Convert.ToByte(myByte & ~(1 << (bitnumber - 1)));
                                        }
                                    }
                                }

                                if (len == 1)
                                {
                                    WriteBuffer[0] = myByte;
                                    res            = dc.writeBytes(area, DB, DataByte, len, WriteBuffer);
                                }
                                else if (len == 2)
                                {
                                    WriteBuffer[1] = Convert.ToByte(myWord & 0xff);
                                    WriteBuffer[0] = Convert.ToByte((myWord >> (8 * 1)) & 0xff);
                                    res            = dc.writeBytes(area, DB, DataByte, len, WriteBuffer);
                                }
                                else if (len == 4)
                                {
                                    WriteBuffer[3] = Convert.ToByte(myDWord & 0xff);
                                    WriteBuffer[2] = Convert.ToByte((myDWord >> (8 * 1)) & 0xff);
                                    WriteBuffer[1] = Convert.ToByte((myDWord >> (8 * 2)) & 0xff);
                                    WriteBuffer[0] = Convert.ToByte((myDWord >> (8 * 3)) & 0xff);
                                    res            = dc.writeBytes(area, DB, DataByte, len, WriteBuffer);
                                }
                            }
                        }
                        else if (IO == INPUTS)
                        {
                            res = dc.readBytes(area, DB, DataByte, len, null);
                            if (res == 0)
                            {
                                if (area == libnodave.daveDB || area == libnodave.daveInputs || area == libnodave.daveFlags)
                                {
                                    if (bitnumber > 0)
                                    {
                                        myByte = (byte)dc.getU8();
                                        myBit  = (myByte & (1 << bitnumber - 1)) != 0;
                                        Console.WriteLine(myBit);
                                    }
                                    else if (len == 1)
                                    {
                                        myByte = (System.Byte)dc.getU8();
                                        Console.WriteLine(myByte);
                                    }
                                    else if (len == 2)
                                    {
                                        myWord = (System.Int16)dc.getU16();
                                        Console.WriteLine(myWord);
                                    }
                                    else if (len == 4)
                                    {
                                        myDWord = (System.Int32)dc.getU32();
                                        Console.WriteLine(myDWord);
                                    }
                                }
                                if (area == libnodave.daveCounter)
                                {
                                    Console.WriteLine(dc.getS8());
                                }
                                if (area == libnodave.daveTimer)
                                {
                                    Console.WriteLine(dc.getS8());
                                }
                            }
                        }
                        else
                        {
                            Console.WriteLine("error " + res + " " + libnodave.daveStrerror(res));
                        }
                    }
                    //if (IO == INPUTS)
                    //    Console.ReadKey();

                    dc.disconnectPLC();
                }
                di.disconnectAdapter();
                libnodave.closeSocket(fds.rfd);
            }
            else
            {
                Console.WriteLine("Couldn't open TCP connaction to " + args[0]);
                return(-1);
            }
            return(0);
        }
    }
示例#12
0
    public static int Main(string[] args)
    {
        int i;
        int rack, slot;
        int res;
        int readDB, readstart, readnumberofbytes;
        int writeDB, writestart, writenumberofbytes;
        int area = 0;

        var writebuffer = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
        var readbuffer = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                                      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

        string PLC = "255.255.255.255";

        libnodave.daveSetDebug(libnodave.daveDebugRawRead);

        if (args.Length != 9)
        {
            Console.WriteLine("");
            Console.WriteLine("Usage:");
            Console.WriteLine("./S7koppelvlak [ipaddress] [rack] [slot] [readDB] [startbyte] [numberofbytes] [writeDB] [startbyte] [numberofbytes]");
            Console.WriteLine("");
            Console.WriteLine("Examples:");
            Console.WriteLine("./S7koppelvlak 172.24.40.191 0 3 DB10 0 16 DB20 17 16");
            Console.WriteLine("");
            Console.WriteLine("./S7koppelvlak 172.24.40.191 0 3 DB100 128 32 DB100 0 64");
            Console.WriteLine("");
            return(-4);
        }

        for (i = 0; i < 9; i++)
        {
            Console.WriteLine("" + args[i]);
        }

        PLC  = args[0];
        rack = Convert.ToInt32(args[1]);
        slot = Convert.ToInt32(args[2]);

        readDB            = Convert.ToInt32(args[3]);
        readstart         = Convert.ToInt32(args[4]);
        readnumberofbytes = Convert.ToInt32(args[5]);

        writeDB            = Convert.ToInt32(args[6]);
        writestart         = Convert.ToInt32(args[7]);
        writenumberofbytes = Convert.ToInt32(args[8]);

        Console.WriteLine("Connection PLC " + PLC + ", rack " + Convert.ToString(rack) + ", slot " + Convert.ToString(slot));
        Console.WriteLine("Read block  : DB" + Convert.ToString(readDB) + "[" + Convert.ToString(readstart) + ".." + Convert.ToString(readstart + readnumberofbytes - 1) + "]");
        Console.WriteLine("Write block : DB" + Convert.ToString(writeDB) + "[" + Convert.ToString(writestart) + ".." + Convert.ToString(writestart + writenumberofbytes - 1) + "]");

        area    = libnodave.daveDB;
        fds.rfd = libnodave.openSocket(102, PLC);
        fds.wfd = fds.rfd;
        if (fds.rfd <= 0)
        {
            return(-5);
        }
        else
        {
            di = new libnodave.daveInterface(fds, "IF1", 0, libnodave.daveProtoISOTCP, libnodave.daveSpeed187k);
            di.setTimeout(1000000);
            res = di.initAdapter();
            if (res != 0)
            {
                return(-4);
            }
            else
            {
                dc = new libnodave.daveConnection(di, 0, rack, slot);
                if (dc.connectPLC() != 0)
                {
                    Console.WriteLine("Couldn't open TCP connaction to " + args[0]);
                    return(-2);
                }
                else
                {
                    while (true)
                    {
                        // Incoming data
                        res = dc.readBytes(area, readDB, readstart, readnumberofbytes, null);
                        if (res == 0)
                        {
                            for (i = 0; i < readnumberofbytes; i++)
                            {
                                readbuffer[i] = (System.Byte)dc.getU8();
                            }
                        }

                        // Copy incoming data to PiFace Digital board outputs...
                        Console.WriteLine(readbuffer);
                        // Copy inputs form PiFace Digital board to writebuffer...

                        // Outgoing data
                        for (i = 0; i < writenumberofbytes; i++)
                        {
                            writebuffer[i] = (byte)i;
                        }
                        res = dc.writeBytes(area, writeDB, writestart, writenumberofbytes, writebuffer);
                        Thread.Sleep(1000);
                    }
                    dc.disconnectPLC();
                }
                di.disconnectAdapter();
                libnodave.closeSocket(fds.rfd);
                return(0);
            }
        }
    }