Package com.pi4j.io.serial

Class SerialDataEvent

java.lang.Object

java.util.EventObject

com.pi4j.io.serial.SerialDataEvent

All Implemented Interfaces:

Serializable

public class SerialDataEvent
extends EventObject

This class provides the serial data event object.

Before using the Pi4J library, you need to ensure that the Java VM in configured with access to the following system libraries:

• pi4j
• wiringPi

This library depends on the wiringPi native system library. (developed by Gordon Henderson @ http://wiringpi.com/)

Author:

Robert Savage (http://www.savagehomeautomation.com)

See Also:

Serial, SerialDataEventListener, SerialDataReader, SerialFactory, https://pi4j.com/, Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static char[]	hexArray

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
SerialDataEvent(Serial serial)	Default event constructor.
SerialDataEvent(Serial serial, byte[] data)	Default event constructor.

Method Summary

Modifier and Type	Method	Description
void	discardData()	discard/drain all available bytes from the serial data receive buffer
String	getAsciiString()	Get an ASCII string representation of the bytes available in the serial data receive buffer
ByteBuffer	getByteBuffer()	Get all the bytes (byte-buffer) available in the serial data receive buffer
byte[]	getBytes()	Get all the bytes (byte-array) available in the serial data receive buffer
CharBuffer	getCharBuffer(Charset charset)	Get a character buffer of the bytes available in the serial data receive buffer
String	getHexByteString()	Get a HEX string representation of the bytes available in the serial data receive buffer
String	getHexByteString(CharSequence prefix, CharSequence separator, CharSequence suffix)	Get a HEX string representation of the bytes available in the serial data receive buffer
SerialDataReader	getReader()	Get an instance of the serial data reader
Serial	getSerial()	Get the serial interface instance
String	getString(Charset charset)	Get a string representation of the bytes available in the serial data receive buffer
int	length()	Get the number of bytes available in the serial data

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

hexArray

protected static final char[] hexArray

Constructor Detail

SerialDataEvent

public SerialDataEvent(Serial serial)

Default event constructor.

SerialDataEvent

public SerialDataEvent(Serial serial,
                       byte[] data)

Default event constructor.

Method Detail

getSerial

public Serial getSerial()

Get the serial interface instance

Returns:

serial interface

getReader

public SerialDataReader getReader()

Get an instance of the serial data reader

Returns:

serial data reader interface

length

public int length()
           throws IOException

Get the number of bytes available in the serial data

Returns:

number of bytes available

Throws:

IOException

getBytes

public byte[] getBytes()
                throws IOException

Get all the bytes (byte-array) available in the serial data receive buffer

Returns:

byte array containing all bytes available in serial data receive buffer

Throws:

IOException

getByteBuffer

public ByteBuffer getByteBuffer()
                         throws IOException

Get all the bytes (byte-buffer) available in the serial data receive buffer

Returns:

ByteBuffer containing all bytes available in serial data receive buffer

Throws:

IOException

getString

public String getString(Charset charset)
                 throws IOException

Get a string representation of the bytes available in the serial data receive buffer

Parameters:

charset - the character-set used to construct the string from the underlying byte array

Returns:

string of data from serial data receive buffer

Throws:

IOException

getAsciiString

public String getAsciiString()
                      throws IOException

Get an ASCII string representation of the bytes available in the serial data receive buffer

Returns:

ASCII string of data from serial data receive buffer

Throws:

IOException

getHexByteString

public String getHexByteString()
                        throws IOException

Get a HEX string representation of the bytes available in the serial data receive buffer

Returns:

HEX string of comma separated data bytes from serial data receive buffer

Throws:

IOException

getHexByteString

public String getHexByteString(CharSequence prefix,
                               CharSequence separator,
                               CharSequence suffix)
                        throws IOException

Get a HEX string representation of the bytes available in the serial data receive buffer

Parameters:

prefix - optional prefix string to append before each data byte

separator - optional separator string to append in between each data byte sequence

suffix - optional suffix string to append after each data byte

Returns:

HEX string of data bytes from serial data receive buffer

Throws:

IOException

getCharBuffer

public CharBuffer getCharBuffer(Charset charset)
                         throws IOException

Get a character buffer of the bytes available in the serial data receive buffer

Parameters:

charset - the character-set used to construct the character buffer from the underlying byte array

Returns:

CharBuffer of data from serial data receive buffer

Throws:

IOException

discardData

public void discardData()
                 throws IllegalStateException,
                        IOException

discard/drain all available bytes from the serial data receive buffer

Throws:

IllegalStateException

IOException