org.kc7bfi.jflac.util
Class CRC8

java.lang.Object
  org.kc7bfi.jflac.util.CRC8

public final class CRC8
extends Object

Utility class to calculate 8-bit CRC.

Author:

kc7bfi

Constructor Summary

CRC8()

Method Summary

static byte	calc(byte[] data, int len) Calculate the CRC value with data from a byte array.
static byte	update(byte data, byte crc) Update the CRC value with a byte data.
static byte	updateBlock(byte[] data, int len, byte crc) Update the CRC value with data from a byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

CRC8

public CRC8()

Method Detail

update

public static byte update(byte data,
                          byte crc)

Update the CRC value with a byte data.

Parameters:

data - The byte data

crc - The starting CRC value

Returns:

The updated CRC value

updateBlock

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

Update the CRC value with data from a byte array.

Parameters:

data - The byte array

len - The byte array length

crc - The starting CRC value

Returns:

The updated CRC value

calc

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

Calculate the CRC value with data from a byte array.

Parameters:

data - The byte array

len - The byte array length

Returns:

The calculated CRC value