org.oiue.tools.bytes

Class Crc

java.lang.Object

org.oiue.tools.bytes.Crc

public class Crc
extends Object

Constructor Summary

Constructors

Constructor and Description
Crc()

Method Summary

Modifier and Type	Method and Description
static byte	crc(byte[] crcing, int pos, int len) 获得CRC校验结果，除校验位字节外，其他所有字节的异或值

Methods inherited from class java.lang.Object

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

Constructor Detail

Crc

public Crc()

Method Detail

crc

public static byte crc(byte[] crcing,
                       int pos,
                       int len)
                throws IllegalArgumentException

获得CRC校验结果，除校验位字节外，其他所有字节的异或值

Parameters:

crcing - 校验源

pos - 起始下标

len - 长度

Returns:

校验码

Throws:

IllegalArgumentException - 校验失败