Examples with ModbusTCPTransaction net.wimpi.modbus.io.ModbusTCPTransaction used on opensource projects

Example 1 with ModbusTCPTransaction

use of net.wimpi.modbus.io.ModbusTCPTransaction in project openhab1-addons by openhab.

the class FBCoupler method connect.

public boolean connect() {
    try {
        if (connection == null) {
            connection = new TCPMasterConnection(InetAddress.getByName(ip));
        }
    } catch (UnknownHostException e) {
        logger.warn("unable to connect to wago-coupler.");
        return false;
    }
    if (!connection.isConnected()) {
        try {
            connection.setPort(modbusPort);
            connection.connect();
            if (transaction == null) {
                transaction = new ModbusTCPTransaction();
            }
            transaction.setConnection(connection);
            transaction.setReconnecting(false);
        } catch (Exception e) {
            logger.warn("unable to connect to wago-coupler: " + e.getMessage());
            return false;
        }
    }
    return true;
}

Example 2 with ModbusTCPTransaction

use of net.wimpi.modbus.io.ModbusTCPTransaction in project openhab1-addons by openhab.

the class AITest method main.

public static void main(String[] args) {
    InetAddress 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 = 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);
        // 5. Execute the transaction repeat times
        int k = 0;
        do {
            trans.execute();
            ReadInputRegistersResponse res = (ReadInputRegistersResponse) trans.getResponse();
            if (Modbus.debug) {
                System.out.println("Response: " + res.getHexMessage());
            }
            for (int n = 0; n < res.getWordCount(); n++) {
                System.out.println("Word " + n + "=" + res.getRegisterValue(n));
            }
            k++;
        } while (k < repeat);
        // 6. Close the connection
        con.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

Example 3 with ModbusTCPTransaction

use of net.wimpi.modbus.io.ModbusTCPTransaction in project openhab1-addons by openhab.

the class ModbusTCPMaster method connect.

// constructor
/**
     * Connects this <tt>ModbusTCPMaster</tt> with the slave.
     *
     * @throws Exception if the connection cannot be established.
     */
public void connect() throws Exception {
    if (m_Connection != null && !m_Connection.isConnected()) {
        m_Connection.connect();
        m_Transaction = new ModbusTCPTransaction(m_Connection);
        m_Transaction.setReconnecting(m_Reconnecting);
    }
}

Example 4 with ModbusTCPTransaction

use of net.wimpi.modbus.io.ModbusTCPTransaction in project openhab1-addons by openhab.

the class DOTest method main.

public static void main(String[] args) {
    InetAddress 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 = 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);
        // 5. Execute the transaction repeat times
        int k = 0;
        do {
            trans.execute();
            if (Modbus.debug) {
                System.out.println("Response: " + trans.getResponse().getHexMessage());
            }
            k++;
        } while (k < repeat);
        // 6. Close the connection
        con.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

Example 5 with ModbusTCPTransaction

use of net.wimpi.modbus.io.ModbusTCPTransaction in project openhab1-addons by openhab.

the class ModbusTcpSlave method getConnection.

/**
     * Performs physical write to device when slave type is "holding" using Modbus FC06 function
     * 
     * @param command command received from OpenHAB
     * @param readRegister reference to the register that stores current value
     * @param writeRegister register reference to write data to
     */
@Override
protected ModbusSlaveConnection getConnection(ModbusSlaveEndpoint endpoint) {
    ModbusSlaveConnection connection = super.getConnection(endpoint);
    if (connection == null) {
        return null;
    }
    if (!(connection instanceof TCPMasterConnection)) {
        // should not happen
        throw new IllegalStateException("Should not happen: wrong connection type for slave " + name);
    }
    ((ModbusTCPTransaction) transaction).setConnection((TCPMasterConnection) connection);
    return connection;
}