org.jflac.util

Class CRC16

java.lang.Object

org.jflac.util.CRC16

public final class CRC16
extends Object

Utility class to calculate 16-bit CRC.

Author:

kc7bfi

Constructor Summary

Constructors

Constructor and Description
CRC16()

Method Summary

Modifier and Type	Method and Description
static short	calc(byte[] data, int len) Calculate the CRC over a byte array.
static short	update(byte data, short crc) Update the CRC with the byte data.
static short	updateBlock(byte[] data, int len, short crc) Update the CRC with the byte array data.

Methods inherited from class java.lang.Object

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

Constructor Detail

CRC16

public CRC16()

Method Detail

update

public static short update(byte data,
                           short crc)

Update the CRC with the byte data.

Parameters:

data - The byte data

crc - The starting CRC value

Returns:

The updated CRC value

updateBlock

public static short updateBlock(byte[] data,
                                int len,
                                short crc)

Update the CRC with the byte array data.

Parameters:

data - The byte array data

len - The byte array length

crc - The starting CRC value

Returns:

The updated CRC value

calc

public static short calc(byte[] data,
                         int len)

Calculate the CRC over a byte array.

Parameters:

data - The byte data

len - The byte array length

Returns:

The calculated CRC value