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

Example 1 with WriteMultipleRegistersRequest

use of net.wimpi.modbus.msg.WriteMultipleRegistersRequest 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 WriteMultipleRegistersRequest

use of net.wimpi.modbus.msg.WriteMultipleRegistersRequest 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);
}