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

Example 1 with ReadInputRegistersResponse

use of net.wimpi.modbus.msg.ReadInputRegistersResponse 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 2 with ReadInputRegistersResponse

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

the class ModbusSlave method update.

/**
     * Reads data from the connected device and updates items with the new data
     *
     * @param binding ModbusBindig that stores providers information
     */
public void update(ModbusBinding binding) {
    try {
        Object local = null;
        Exception localReadError = null;
        try {
            if (ModbusBindingProvider.TYPE_COIL.equals(getType())) {
                ModbusRequest request = new ReadCoilsRequest(getStart(), getLength());
                if (this instanceof ModbusSerialSlave) {
                    request.setHeadless();
                }
                ReadCoilsResponse response = (ReadCoilsResponse) getModbusData(request);
                local = response.getCoils();
            } else if (ModbusBindingProvider.TYPE_DISCRETE.equals(getType())) {
                ModbusRequest request = new ReadInputDiscretesRequest(getStart(), getLength());
                ReadInputDiscretesResponse response = (ReadInputDiscretesResponse) getModbusData(request);
                local = response.getDiscretes();
            } else if (ModbusBindingProvider.TYPE_HOLDING.equals(getType())) {
                ModbusRequest request = new ReadMultipleRegistersRequest(getStart(), getLength());
                ReadMultipleRegistersResponse response = (ReadMultipleRegistersResponse) getModbusData(request);
                local = response.getRegisters();
            } else if (ModbusBindingProvider.TYPE_INPUT.equals(getType())) {
                ModbusRequest request = new ReadInputRegistersRequest(getStart(), getLength());
                ReadInputRegistersResponse response = (ReadInputRegistersResponse) getModbusData(request);
                local = response.getRegisters();
            }
        } catch (ModbusException e) {
            // Logging already done in getModbusData
            localReadError = e;
        } catch (ModbusConnectionException e) {
            // Logging already done in getModbusData
            localReadError = e;
        } catch (ModbusUnexpectedTransactionIdException e) {
            // Logging already done in getModbusData
            localReadError = e;
        }
        if (storage == null) {
            storage = local;
            readError = localReadError;
        } else {
            synchronized (storage) {
                storage = local;
                readError = localReadError;
            }
        }
        Collection<String> items = binding.getItemNames();
        for (String item : items) {
            updateItem(binding, item);
        }
    } catch (Exception e) {
        logger.error("ModbusSlave ({}) error getting response from slave", name, e);
    }
}

Example 3 with ReadInputRegistersResponse

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

the class SerialAITest method main.

public static void main(String[] args) {
    SerialConnection con = null;
    ModbusSerialTransaction trans = null;
    ReadInputRegistersRequest req = null;
    ReadInputRegistersResponse res = null;
    String portname = null;
    int unitid = 0;
    int ref = 0;
    int count = 0;
    int repeat = 1;
    try {
        // 1. Setup the parameters
        if (args.length < 4) {
            printUsage();
            System.exit(1);
        } else {
            try {
                portname = args[0];
                unitid = Integer.parseInt(args[1]);
                ref = Integer.parseInt(args[2]);
                count = Integer.parseInt(args[3]);
                if (args.length == 5) {
                    repeat = Integer.parseInt(args[4]);
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                printUsage();
                System.exit(1);
            }
        }
        // 2. Set slave identifier for master response parsing
        ModbusCoupler.getReference().setUnitID(unitid);
        System.out.println("net.wimpi.modbus.debug set to: " + System.getProperty("net.wimpi.modbus.debug"));
        // 3. Setup serial parameters
        SerialParameters params = new SerialParameters();
        params.setPortName(portname);
        params.setBaudRate(115200);
        params.setDatabits(8);
        params.setParity("None");
        params.setStopbits(1);
        params.setEncoding("ascii");
        params.setEcho(false);
        params.setReceiveTimeoutMillis(500);
        if (Modbus.debug) {
            System.out.println("Encoding [" + params.getEncoding() + "]");
        }
        // 4. Open the connection
        con = new SerialConnection(params);
        con.open();
        // 5. Prepare a request
        req = new ReadInputRegistersRequest(ref, count);
        req.setUnitID(unitid);
        req.setHeadless();
        if (Modbus.debug) {
            System.out.println("Request: " + req.getHexMessage());
        }
        // 6. Prepare the transaction
        trans = new ModbusSerialTransaction(con);
        trans.setRequest(req);
        // 7. Execute the transaction repeat times
        int k = 0;
        do {
            trans.execute();
            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);
        // 8. Close the connection
        con.close();
    } catch (Exception ex) {
        ex.printStackTrace();
        // Close the connection
        con.close();
    }
}