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

Example 1 with WriteSingleRegisterRequest

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

the class WriteRegistersTestCase method verifyRequests.

private void verifyRequests(boolean readRequestExpected) throws Exception {
    try {
        ArrayList<ModbusRequest> requests = modbustRequestCaptor.getAllReturnValues();
        int expectedRegisterWriteStartIndex = nonZeroOffset ? (itemIndex + 1) : itemIndex;
        boolean writeExpected = type == ModbusBindingProvider.TYPE_HOLDING;
        int expectedRequests = (writeExpected ? 1 : 0) + (readRequestExpected ? 1 : 0);
        // One connection per request
        int expectedConnections = serverType.equals(ServerType.UDP) ? 1 : expectedRequests;
        // Give the system 5 seconds to make the expected connections & requests
        waitForConnectionsReceived(expectedConnections);
        waitForRequests(expectedRequests);
        assertThat(requests.size(), is(equalTo(expectedRequests)));
        if (readRequestExpected) {
            if (type == ModbusBindingProvider.TYPE_INPUT) {
                assertThat(requests.get(0), is(instanceOf(ReadInputRegistersRequest.class)));
            } else if (type == ModbusBindingProvider.TYPE_HOLDING) {
                assertThat(requests.get(0), is(instanceOf(ReadMultipleRegistersRequest.class)));
            } else {
                throw new RuntimeException();
            }
        }
        if (writeExpected) {
            Register[] registers;
            if (expectingWriteMultiple(valueType)) {
                assertThat(requests.get(expectedRequests - 1), is(instanceOf(WriteMultipleRegistersRequest.class)));
                WriteMultipleRegistersRequest writeRequest = (WriteMultipleRegistersRequest) requests.get(expectedRequests - 1);
                assertThat(writeRequest.getReference(), is(equalTo(expectedRegisterWriteStartIndex)));
                if (expectedValue == null && expectingAssertionError) {
                    String msg = "Did not receive any AssertionErrors even though expected!";
                    errPrint(msg);
                    throw new RuntimeException(msg);
                }
                registers = writeRequest.getRegisters();
            } else {
                assertThat(requests.get(expectedRequests - 1), is(instanceOf(WriteSingleRegisterRequest.class)));
                WriteSingleRegisterRequest writeRequest = (WriteSingleRegisterRequest) requests.get(expectedRequests - 1);
                assertThat(writeRequest.getReference(), is(equalTo(expectedRegisterWriteStartIndex)));
                if (expectedValue == null && expectingAssertionError) {
                    String msg = "Did not receive any AssertionErrors even though expected!";
                    errPrint(msg);
                    throw new RuntimeException(msg);
                }
                registers = new Register[] { writeRequest.getRegister() };
            }
            short[] registersAsShort = new short[registers.length];
            for (int i = 0; i < registers.length; i++) {
                registersAsShort[i] = registers[i].toShort();
            }
            assertThat(registersAsShort, is(equalTo(expectedValue)));
        }
    } catch (AssertionError e) {
        if (expectingAssertionError) {
            errPrint("Expected failure");
            e.printStackTrace(System.err);
            return;
        } else {
            errPrint("Unexpected assertion error " + e.getMessage());
            e.printStackTrace(System.err);
            throw e;
        }
    }
    if (expectingAssertionError) {
        errPrint("Did not get assertion error (as expected)");
        throw new AssertionError("Did not get assertion error (as expected)");
    } else {
        errPrint("OK");
    }
}

Example 2 with WriteSingleRegisterRequest

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

the class ModbusSlave method setRegister.

/**
     * Performs physical write to device when slave type is "holding" using Modbus FC06 function
     *
     * @param command command received from OpenHAB
     * @param config
     * @throws ModbusConnectionException when connection cannot be established
     * @throws ModbusException ModbusIOException on IO errors, ModbusSlaveException with protocol level exceptions
     * @throws ModbusUnexpectedTransactionIdException when response transaction id does not match the request
     */
protected void setRegister(Command command, ModbusBindingConfig config) throws ModbusConnectionException, ModbusException, ModbusUnexpectedTransactionIdException {
    int readIndex = config.readIndex;
    int writeRegister = getStart() + config.writeIndex;
    Register newValue;
    if (command instanceof IncreaseDecreaseType) {
        newValue = readCachedRegisterValue(readIndex);
        if (newValue == null) {
            logger.warn("Not polled value for item {}. Cannot process command {}", config.getItemName(), command);
            return;
        }
        if (command.equals(IncreaseDecreaseType.INCREASE)) {
            newValue.setValue(newValue.getValue() + 1);
        } else if (command.equals(IncreaseDecreaseType.DECREASE)) {
            newValue.setValue(newValue.getValue() - 1);
        }
    } else if (command instanceof UpDownType) {
        newValue = readCachedRegisterValue(readIndex);
        if (newValue == null) {
            logger.warn("Not polled value for item {}. Cannot process command {}", config.getItemName(), command);
            return;
        }
        if (command.equals(UpDownType.UP)) {
            newValue.setValue(newValue.getValue() + 1);
        } else if (command.equals(UpDownType.DOWN)) {
            newValue.setValue(newValue.getValue() - 1);
        }
    } else if (command instanceof DecimalType) {
        newValue = new SimpleRegister();
        newValue.setValue(((DecimalType) command).intValue());
    } else if (command instanceof OnOffType) {
        newValue = new SimpleRegister();
        if (command.equals(OnOffType.ON)) {
            newValue.setValue(1);
        } else if (command.equals(OnOffType.OFF)) {
            newValue.setValue(0);
        }
    } else if (command instanceof OpenClosedType) {
        newValue = new SimpleRegister();
        if (command.equals(OpenClosedType.OPEN)) {
            newValue.setValue(1);
        } else if (command.equals(OpenClosedType.CLOSED)) {
            newValue.setValue(0);
        }
    } else {
        logger.warn("Item {} received unsupported command: {}. Not setting register.", config.getItemName(), command);
        return;
    }
    ModbusRequest request = null;
    if (writeMultipleRegisters) {
        Register[] regs = new Register[1];
        regs[0] = newValue;
        request = new WriteMultipleRegistersRequest(writeRegister, regs);
    } else {
        request = new WriteSingleRegisterRequest(writeRegister, newValue);
    }
    request.setUnitID(getId());
    logger.debug("ModbusSlave ({}): FC{} ref={} value={}", name, request.getFunctionCode(), writeRegister, newValue.getValue());
    executeWriteRequest(request);
}

Example 3 with WriteSingleRegisterRequest

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

the class SimultaneousReadWriteTestCase method testSimultaneousReadWrite.

/**
     * Testing how binding handles simultaneous read and writes coming in.
     *
     * Even though the server in this test is able to handle at most one client at a time the binding
     * queues requests.
     *
     * Note higher artificialServerWait in constructor
     *
     * @throws Exception
     */
@Test
public void testSimultaneousReadWrite() throws Exception {
    binding = new ModbusBinding();
    binding.updated(addSlave(addSlave(newLongPollBindingConfig(), SLAVE_NAME, type, null, 0, READ_COUNT), SLAVE2_NAME, type, null, 0, READ_COUNT));
    configureItems(SLAVE_NAME);
    configureItems(SLAVE2_NAME);
    /*
         * - both slaves read twice -> 4 read requests
         * - followed by write (slave1) -> 1 write request
         * - both slaves read once -> 2 read requests.
         * - Finally three writes (slave2) -> 3 write requets
         */
    int expectedRequests = 10;
    ExecutorService pool = Executors.newFixedThreadPool(expectedRequests);
    binding.execute();
    pool.execute(new UpdateThread(binding));
    pool.execute(new WriteCommandThread(binding, SLAVE_NAME, command));
    pool.execute(new UpdateThread(binding));
    pool.execute(new WriteCommandThread(binding, SLAVE2_NAME, command));
    pool.execute(new WriteCommandThread(binding, SLAVE2_NAME, command));
    pool.execute(new WriteCommandThread(binding, SLAVE2_NAME, command));
    pool.shutdown();
    pool.awaitTermination(artificialServerWait * 7 + 5000, TimeUnit.MILLISECONDS);
    waitForRequests(expectedRequests);
    ArrayList<ModbusRequest> values = modbustRequestCaptor.getAllReturnValues();
    System.err.println(values);
    int readCount = 0;
    int writeCount = 0;
    for (ModbusRequest request : values) {
        if (request instanceof ReadMultipleRegistersRequest) {
            readCount++;
        } else if (request instanceof WriteSingleRegisterRequest) {
            writeCount++;
        }
    }
    Assert.assertEquals(6, readCount);
    Assert.assertEquals(4, writeCount);
}

Example 4 with WriteSingleRegisterRequest

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

the class AIAOTest method main.

public static void main(String[] args) {
    InetAddress 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 = 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);
        ai_trans.setRequest(ai_req);
        ao_trans = new ModbusTCPTransaction(con);
        ao_trans.setRequest(ao_req);
        // 5. Prepare holders to update only on change
        SimpleRegister new_out = new SimpleRegister(0);
        ao_req.setRegister(new_out);
        int last_out = Integer.MIN_VALUE;
        // 5. Execute the transaction repeatedly
        do {
            ai_trans.execute();
            int new_in = ((ReadInputRegistersResponse) ai_trans.getResponse()).getRegister(0).getValue();
            // write only if differ
            if (new_in != last_out) {
                // update register
                new_out.setValue(new_in);
                ao_trans.execute();
                last_out = new_in;
                if (Modbus.debug) {
                    System.out.println("Updated Register with value from Input Register.");
                }
            }
        } while (true);
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        // 6. Close the connection
        con.close();
    }
}

Example 5 with WriteSingleRegisterRequest

use of net.wimpi.modbus.msg.WriteSingleRegisterRequest 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();
    }
}