Java Code Examples for gnu.io.SerialPort#DATABITS_8

/**
 * Sets the number of data bits.
 *
 * @param databits the new number of data bits.
 */
public void setDatabits(int databits) throws IllegalArgumentException {
    if (!SerialParameterValidator.isDataBitsValid(databits)) {
        throw new IllegalArgumentException("Databit '" + databits + "' invalid");
    }

    switch (databits) {
        case 5:
            m_Databits = SerialPort.DATABITS_5;
            break;
        case 6:
            m_Databits = SerialPort.DATABITS_6;
            break;
        case 7:
            m_Databits = SerialPort.DATABITS_7;
            break;
        case 8:
            m_Databits = SerialPort.DATABITS_8;
            break;
        default:
            m_Databits = SerialPort.DATABITS_8;
            break;
    }
}
 

public ElevatorController() {
    try {
        elevator = new SerialPortController(SerialControllerInterface.PORT_ttyS0,
                SerialControllerInterface.BAUD_38400,
                SerialPort.DATABITS_8,
                SerialPort.STOPBITS_1,
                SerialPort.PARITY_NONE);
    } catch (UnsatisfiedLinkError e) {
        System.err.println(e.getMessage());
    }
}
 

public static int getDataBits(String sBitsParam) {
    switch (sBitsParam) {
        case "5":
            return SerialPort.DATABITS_5;
        case "6":
            return SerialPort.DATABITS_6;
        case "7":
            return SerialPort.DATABITS_7;
        case "8":
            return SerialPort.DATABITS_8;
        default:
            return SerialPort.DATABITS_8;
    }
}
 

/**
 * Returns the number of data bits as <tt>String</tt>.
 *
 * @return the number of data bits as <tt>String</tt>.
 */
public String getDatabitsString() {
    switch (m_Databits) {
        case SerialPort.DATABITS_5:
            return "5";
        case SerialPort.DATABITS_6:
            return "6";
        case SerialPort.DATABITS_7:
            return "7";
        case SerialPort.DATABITS_8:
            return "8";
        default:
            return "8";
    }
}
 

@Test
public void testEqualsSameSerial2() {
    ModbusSerialSlaveEndpoint e1 = new ModbusSerialSlaveEndpoint(new SerialParameters("port1", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, true, 500));
    ModbusSerialSlaveEndpoint e2 = new ModbusSerialSlaveEndpoint(new SerialParameters("port1", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, true, 500));
    Assert.assertEquals(e1, e2);
}
 

/**
 * even though different echo parameter & baud rate, the endpoints are considered the same due to same port
 */
@Test
public void testEqualsSameSerial3() {
    ModbusSerialSlaveEndpoint e1 = new ModbusSerialSlaveEndpoint(new SerialParameters("port1", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, true, 500));
    ModbusSerialSlaveEndpoint e2 = new ModbusSerialSlaveEndpoint(new SerialParameters("port1", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, false, 500));
    Assert.assertEquals(e1, e2);
    Assert.assertEquals(e1.hashCode(), e2.hashCode());
}
 

@Test
public void testEqualsDifferentSerial() {
    ModbusSerialSlaveEndpoint e1 = new ModbusSerialSlaveEndpoint(new SerialParameters("port1", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, true, 500));
    ModbusSerialSlaveEndpoint e2 = new ModbusSerialSlaveEndpoint(new SerialParameters("port2", 9600,
            SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1,
            SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, true, 500));
    Assert.assertNotEquals(e1, e2);
    Assert.assertNotEquals(e1.hashCode(), e2.hashCode());
}
 

/**
 * Default constructer. Sets parameters to no port, 9600 baud, no flow control, 8 data bits, 1
 * stop bit, no parity.
 */
public SerialParameters(){
	this(
		"", //$NON-NLS-1$
		9600, SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8,
		SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
	
}
 

/**
 * Sets data bits.
 * 
 * @param databits
 *            New data bits setting.
 */
public void setDatabits(final String databits){
	if (databits.equals("5")) { //$NON-NLS-1$
		this.databits = SerialPort.DATABITS_5;
	}
	if (databits.equals("6")) { //$NON-NLS-1$
		this.databits = SerialPort.DATABITS_6;
	}
	if (databits.equals("7")) { //$NON-NLS-1$
		this.databits = SerialPort.DATABITS_7;
	}
	if (databits.equals(Messages.SerialParameters_4)) {
		this.databits = SerialPort.DATABITS_8;
	}
}
 

/**
 * Gets data bits as a <code>String</code>.
 * 
 * @return Current data bits setting.
 */
public String getDatabitsString(){
	switch (databits) {
	case SerialPort.DATABITS_5:
		return "5"; //$NON-NLS-1$
	case SerialPort.DATABITS_6:
		return "6"; //$NON-NLS-1$
	case SerialPort.DATABITS_7:
		return "7"; //$NON-NLS-1$
	case SerialPort.DATABITS_8:
		return "8"; //$NON-NLS-1$
	default:
		return "8"; //$NON-NLS-1$
	}
}
 

/**
 * Constructs a new <tt>SerialParameters</tt> instance with
 * default values: 9600 boud - 8N1 - ASCII.
 */
public SerialParameters() {
    this("", 9600, SerialPort.FLOWCONTROL_NONE, SerialPort.FLOWCONTROL_NONE, SerialPort.DATABITS_8,
            SerialPort.STOPBITS_1, SerialPort.PARITY_NONE, Modbus.DEFAULT_SERIAL_ENCODING, false,
            DEFAULT_RECEIVE_TIMEOUT_MILLIS);
}
 

public static boolean isDataBitsValid(int databits) {
    return (databits >= SerialPort.DATABITS_5) && (databits <= SerialPort.DATABITS_8);
}