Examples with ModbusRequest net.wimpi.modbus.msg.ModbusRequest used on opensource projects

Example 16 with ModbusRequest

use of net.wimpi.modbus.msg.ModbusRequest in project openhab1-addons by openhab.

the class AOTest 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());
        }
        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);
        // 4. 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);
        // 5. Close the connection
        con.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

Example 17 with ModbusRequest

use of net.wimpi.modbus.msg.ModbusRequest in project openhab1-addons by openhab.

the class DIDOTest method main.

public static void main(String[] args) {
    InetAddress 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 = 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);
        di_trans.setRequest(di_req);
        di_trans.setReconnecting(false);
        do_trans = new ModbusTCPTransaction(con);
        do_trans.setRequest(do_req);
        do_trans.setReconnecting(false);
        // 5. Holders for last states
        boolean last_out = false;
        boolean new_in = false;
        // 6. Execute the transactions repeatedly
        do {
            di_trans.execute();
            new_in = ((ReadInputDiscretesResponse) di_trans.getResponse()).getDiscreteStatus(0);
            // write only if differ
            if (new_in != last_out) {
                do_req.setCoil(new_in);
                do_trans.execute();
                last_out = new_in;
                if (Modbus.debug) {
                    System.out.println("Updated coil with state from DI.");
                }
            }
        } while (true);
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        // 7. Close the connection
        con.close();
    }
}