Package net.wimpi.modbusme.msg

Examples of net.wimpi.modbusme.msg.ModbusRequest

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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    int count = 0;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr/*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = Integer.parseInt(args[2]);
          if(args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }

      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();

      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the request
      req = new ReadInputRegistersRequest(ref, count);
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //4. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

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    public void run() {
      try {
        do {
          //1. read the request
          ModbusRequest request = m_Transport.readRequest();
          //System.out.println("Request:" + request.getHexMessage());
          ModbusResponse response = null;

          //test if Process image exists
          if (ModbusCoupler.getReference().getProcessImage() == null) {
            response =
                request.createExceptionResponse(Modbus.ILLEGAL_FUNCTION_EXCEPTION);
          } else {
            response = request.createResponse();
          }
          /*DEBUG*/
          if (Modbus.debug) System.out.println("Request:" + request.getHexMessage());
          if (Modbus.debug) System.out.println("Response:" + response.getHexMessage());

          //System.out.println("Response:" + response.getHexMessage());
          m_Transport.writeMessage(response);
        } while (m_Continue);
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      ModbusTransport transport = m_SerialCon.getModbusTransport();
      do {
        if (m_Listening) {
          try {
            //1. read the request
            ModbusRequest request = transport.readRequest();
            ModbusResponse response = null;

            //test if Process image exists
            if (ModbusCoupler.getReference().getProcessImage() == null) {
              response =
                  request.createExceptionResponse(Modbus.ILLEGAL_FUNCTION_EXCEPTION);
            } else {
              response = request.createResponse();
            }

            if (Modbus.debug)
              System.out.println("Request:" + request.getHexMessage());
            if (Modbus.debug)
              System.out.println("Response:" + response.getHexMessage());

            transport.writeMessage(response);
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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    boolean count = false;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup the parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = "true".equals(args[2]);        
          if (args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }
      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();

      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the request
      req = new WriteCoilRequest(ref, count);
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //4. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

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  public void run() {
    try {
      do {
        //1. read the request
        ModbusRequest request = m_Transport.readRequest();
        //System.out.println("Request:" + request.getHexMessage());
        ModbusResponse response = null;

        //test if Process image exists
        if (ModbusCoupler.getReference().getProcessImage() == null) {
          response =
              request.createExceptionResponse(Modbus.ILLEGAL_FUNCTION_EXCEPTION);
        } else {
          response = request.createResponse();
        }
        /*DEBUG*/
        if (Modbus.debug) System.out.println("Request:" + request.getHexMessage());
        if (Modbus.debug) System.out.println("Response:" + response.getHexMessage());

        //System.out.println("Response:" + response.getHexMessage());
        m_Transport.writeMessage(response);
      } while (true);
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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest di_req = null;
    WriteCoilRequest do_req = null;

    ModbusTCPTransaction di_trans = null;
    ModbusTCPTransaction do_trans = null;

    int di_ref = 0;
    int do_ref = 0;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup the parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          di_ref = Integer.parseInt(args[1]);
          do_ref = Integer.parseInt(args[2]);
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }

      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();
      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());


      //3. Prepare the requests
      di_req = new ReadInputDiscretesRequest(di_ref, 1);

      do_req = new WriteCoilRequest();
      do_req.setReference(do_ref);

      di_req.setUnitID(0);
      do_req.setUnitID(0);


      //4. Prepare the transactions
      di_trans = new ModbusTCPTransaction(con);
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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest ai_req = null;
    WriteSingleRegisterRequest ao_req = null;

    ModbusTransaction ai_trans = null;
    ModbusTransaction ao_trans = null;

    int ai_ref = 0;
    int ao_ref = 0;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup the parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if (idx > 0) {
            port = Integer.parseInt(astr.substring(idx + 1));
            astr = astr.substring(0, idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ai_ref = Integer.parseInt(args[1]);
          ao_ref = Integer.parseInt(args[2]);

        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }

      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();
      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the requests
      ai_req = new ReadInputRegistersRequest(ai_ref, 1);
      ao_req = new WriteSingleRegisterRequest();
      ao_req.setReference(ao_ref);

      ai_req.setUnitID(0);
      ao_req.setUnitID(0);


      //4. Prepare the transactions
      ai_trans = new ModbusTCPTransaction(con);
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      throws ModbusIOException {

    //System.out.println("readRequest()");
    try {

      ModbusRequest req = null;
      synchronized (m_ByteIn) {
        //use same buffer
        byte[] buffer = m_ByteIn.getBuffer();

        //read to byte length of message
        if (m_Input.read(buffer, 0, 6) == -1) {
          throw new EOFException("Premature end of stream (Header truncated).");
        }
        //extract length of bytes following in message
        int bf = ModbusUtil.registerToShort(buffer, 4);
        //read rest
        if (m_Input.read(buffer, 6, bf) == -1) {
          throw new ModbusIOException("Premature end of stream (Message truncated).");
        }
        m_ByteIn.reset(buffer, (6 + bf));
        m_ByteIn.skip(7);
        int functionCode = m_ByteIn.readUnsignedByte();
        m_ByteIn.reset();
        req = ModbusRequest.createModbusRequest(functionCode);
        req.readFrom(m_ByteIn);
      }
      return req;
/*
      int transactionID = m_Input.readUnsignedShort();
      int protocolID = m_Input.readUnsignedShort();
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  public ModbusRequest readRequest()
      throws ModbusIOException {

    boolean done = false;
    ModbusRequest request = null;

    int in = -1;

    try {
      do {
        //1. Skip to FRAME_START
        while ((in = m_InputStream.read()) != FRAME_START) ;
        //2. Read to FRAME_END
        synchronized (m_InBuffer) {
          m_ByteInOut.reset();
          while ((in = m_InputStream.read()) != FRAME_END) {
            m_ByteInOut.writeByte(in);
          }
          //check CRC
          int[] crc = ModbusUtil.calculateCRC(m_InBuffer,0,m_ByteInOut.size()-2);

          if (!(
              m_InBuffer[m_ByteInOut.size()-2] == crc[0] //low byte first
              &&  m_InBuffer[m_ByteInOut.size()-1] == crc[1] //hibyte
          )) {
            continue;
          }
          m_ByteIn.reset(m_InBuffer, m_ByteInOut.size());
          in = m_ByteIn.readUnsignedByte();
          //check unit identifier
          if (in != ModbusCoupler.getReference().getUnitID()) {
            continue;
          }
          in = m_ByteIn.readUnsignedByte();
          //create request
          request = ModbusRequest.createModbusRequest(in);
          request.setHeadless();
          //read message
          m_ByteIn.reset(m_InBuffer, m_ByteInOut.size());
          request.readFrom(m_ByteIn);
        }
        done = true;
      } while (!done);
      return request;
    } catch (Exception ex) {
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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    int count = 0;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = Integer.parseInt(args[2]);

          if (args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }
      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();


      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());
      req = new WriteSingleRegisterRequest(ref, new SimpleRegister(count));
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //3. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

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  • net.wimpi.modbusme.cmd.DIDOTest
  • net.wimpi.modbusme.cmd.DOTest
  • net.wimpi.modbusme.io.ModbusASCIITransport
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  • net.wimpi.modbusme.io.ModbusUDPTransport
  • net.wimpi.modbusme.net.ModbusSerialListener
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