CRC16ISO13239实现我正在尝试用C#实现Crc16。我尝试了很多不同的实现，但大多数都给了我不同的值。下面是一些我已经使用过的代码。私人静态intPOLYNOMIAL=0x8408;私有静态intPRESET_VALUE=0xFFFF；publicstaticintcrc16(byte[]data){intcurrent_crc_value=PRESET_VALUE;对于(inti=0;i1)^POLYNOMIAL;}else{current_crc_value=current_crc_value>>1;}}}current_crc_value=~current_crc_value;返回current_crc_value&0xFFFF；这是我使用的另一个事实，但它们都给出了不同的值constushortpolynomial=0xA001;ushort[]table=newushort[256];publicushortComputeChecksum(byte[]bytes){ushortcrc=0;for(inti=0;i>8)^table[index]);}返回CRC；}publicbyte[]ComputeChecksumBytes(byte[]bytes){ushortcrc=ComputeChecksum(bytes);返回BitConverter.GetBytes(crc);}publicCrc16(){ushort值；短时温度；for(ushorti=0;i1)^多项式);}else{值>>=1;}温度>>=1;}表[i]=值；我使用的值是八位字节字符串“[jp3]TEST[fl]Flashing[/fl]”，预期值为95F9（十六进制）这是NTCIP协议指南的一个例子感谢这个：staticreadonlyushort[]fcstab=newushort[]{0x0000,0x1189,0x2312,0x329b,0x4624,0x57ad,0x6536,0x74bf,0x8c48,0x9dc1,0xaf5c7,0xbe9,0xbe90xf8f7,0x1081,0x0108,0x3393,0x221a,0x56a5,0x472c,0x75b7,0x643e,0x9cc9,0x8d40,0xbfdb,0xae52,0xdaed,0xcb64,0xf9ff,??0xe876,0x2102,0x308b,0x0210,0x1399,0x6726,0x76af,0x4434,0x55bd,0xad4a,0xbcc3,0x8e58,0x9fd1,0xeb6e,0xfae7,0xc87c,0xd9f5,0x3183,0x200a,0x1291,0x0318,0x77a7,0x662e,0x54b5,0x453c,0xbdcb,0xac42,0x9ed9,0x8f50,0xfbef,0xea66,0xd8fd,0xc974,0x4204,0x538d,0x6116,0x709f,0x0420,0x15a9,0x2732,0x36bb,0xce4c,0xdfc5,0xed5e,0xfcd7,0x8868,0x99e1,0xab7a,0xbaf3,0x5285,0x430c,0x7197,0x601e,0x14a1,0x0528,0x37b3,0x263a,0xdecd,0xcf44，0xfddf，0xec56，0x98e9，0x8960，0xbbbfb，0xaaa72，0x6306，0x728f，0x4014，0x514，0x519d，0x25222，0x2522，0x34ab，0x34ab，0x0630，0x0630，0x17b9a78,0x9bf1,0x7387,0x620e,0x5095,0x411c,0x35a3,0x242a,0x16b1,0x0738,0xffcf,0xee46,0xdcdd,0xcd54,0xb9eb,0xa862,0x9af9,0x8b70,0x8408,0x9581,0xa71a,0xb693,0xc22c,0xd3a5,0xe13e,0xf0b7,0x0840,0x19c9,0x2b52,0x3adb,0x4e64,0x5fed,0x6d76,0x7cff,0x9489,0x8500,0xb79b,0xa612,0xd2ad,0xc324,0xf1bf,0xe036,0x18c1,0x0948,0x3bd3,0x2a5a,0x5ee5,0x4f6c,0x7df7,0x6c7e,0xa50a,0xb483,0x8618,0x9791,0xe32e,0xf2a7,0xc03c,0xd1b5,0x2942,0x38cb,0x0a50,0x1bd9,0x6f66,0x7eef,0x4c74,0x5dfd,0xb58b,0xa402,0x9699,0x8710,0xf3af,0xe226,0xd0bd,0xc134,0x39c3,0x284a,0x1ad1,0x0b58,0x7fe7,0x6e6e,0x5cf5,0x4d7c,0xc60c,0xd785,0xe51e,0xf497,0x8028,0x91a1,0xa33a,0xb2b3,0x4a44,0x5bcd,0x6956,0x78df,0x0c60,0x1de9,0x2f72,0x3efb,0xd68d,0xc704,0xf59f，0xe416，0x90a9，0x8120，0xb3bb，0xa232，0x5ac5，0x4b4c，0x79d7，0x685e，0x11ce1，0x0d68，0x0d68，0x3ff3，0x3ff3，0x2e7a，0x2e7a，0x.7a，0x.030x.03.7a，03.7a，030x.030x.030x.030x.030notxenixnostrynibrex.0x.0.0nibrextrectionnostrynibrynibsnef238,0x93b1,0x6b46,0x7acf,0x4854,0x59dd,0x2d62,0x3ceb,0x0e70,0x1ff9,0xf78f,0xe606,0xd49d,0xc514,0xb1ab,0xa022,0x92b9,0x8330,0x7bc7,0x6a4e,0x58d5,0x495c,0x3de3,0x2c6a,0x1ef1,0x0f78};staticushortcompute_fcs(byte[]data){returncompute_fcs(data,0,data.Length);}staticushortcompute_fcs(byte[]data,intstart,intlength){ushortfcs=0xFFFF;int结束=开始+长度；for(inti=start;i>8))^fcstab[(fcs^data[i])&0xFF]);}返回（ushort）（~fcs）；}staticvoidMain(string[]args){byte[]pattern=newbyte[]{0x02,0x07,0x01,0x03,0x01,0x02,0x00,0x34,0x07,0x07,0x1C,0x59,0x34,0x6F,0xE1,0x83,0x000,0x4,0x06,0x06,0x7B,0x3C,0xFF,0xCF,0x3C,0xC0};//http://www.ite.org/standards/1203v03-04%20Part%201%20dms2011.pdf//第158页，CRC=0x52EDushortfcs=compute_fcs(pattern);//0x52ED}将适用于此处给出的唯一测试http://www.ite.org/standards/1203v03-04%20Part%201%20dms2011.pdf（大约第158页，CRC=0x52ED)对于稍后编写的PDF字符串示例：“表示CRC-16（在ISO/IEC3309多项式中定义）值，不包括OER类型或长度字段。请注意，对于dmsMessageBeacon，计算应假定为零(0)对象和/或dmsMessagePixelService对象（如果不支持）（重点添加）所以：stringstr="[jp3]TEST[fl]Flashing[/fl]";varbytes=Encoding.ASCII.GetBytes(str);Array.Resize(refbytes,bytes.Length+2);//注意这两行是无用的，因为Array.Resize已经填充了0bytes[bytes.Length-2]=0;//dmsMessageBeaconbytes[bytes.Length-1]=0;//dmsMessagePixelServiceushortfcs2=compute_fcs(bytes);//0xF995varbytes2=BitConverter.GetBytes(fcs2);//0x950xF9这表明协议是小字节序的（作为我的PC，即Intel).其实字符串的CRC-16是0xF995，但是这16位在内存中显示为0x950xF9（例子中显示为单字节）CRC-16的计算算法有很多种。例如：我在我的应用程序中使用CRC-16-IBM，它与工业控制器一起使用。以上就是C#学习教程：CRC16ISO13239实现分享的全部内容。如果对你有用，需要进一步了解C#学习教程，希望大家多多关注publicstaticUInt16FastCRC16(byte[]Buffer,UInt16ui_length){UInt16[]crc_table={0x0000,0xC0C1,0xC181,0x0140,0xC301,0x03C0,0x0280,0xC241,0xC601,0x06C0,0x0780,0xC741,0x0500,0xC5C1,0xC481,0x0440,0xCC01,0x0CC0,0x0D80,0xCD41,0x0F00,0xCFC1,0xCE81,0x0E40,0x0A00,0xCAC1,0xCB81,0x0B40,0xC901,0x09C0,0x0880,0xC841,0xD801,0x18C0,0x1980,0xD941,0x1B00,0xDBC1,0xDA81,0x1A40,0x1E00,0xDEC1,0xDF81,0x1F40,0xDD01,0x1DC0,0x1C80,0xDC41,0x1400,0xD4C1,0xD581,0x1540,0xD701,0x17C0,0x1680,0xD641,0xD201,0x12C0,0x1380,0xD341,0x1100,0xD1C1,0xD081,0x1040,0xF001,0x30C0,0x3180,0xF141,0x3300,0xF3C1,0xF281,0x3240,0x3600,0xF6C1,0xF781,0x3740,0xF501,0x35C0,0x3480,0xF441,0x3C00,0xFCC1,0xFD81,0x3D40,0xFF01,0x3FC0,0x3E80,0xFE41,0xFA01,0x3AC0,0x3B80,0xFB41,0x3900,0xF9C1,0xF881,0x3840,0x2800,0xE8C1,0xE981,0x2940,0xEB01,0x2BC0,0x2A80,0xEA41,0xEE01,0x2EC0,0x2F80,0xEF41,0x2D00,0xEDC1,0xEC81,0x2C40,0xE401,0x24C0,0x2580,0xE541,0x2700,0xE7C1,0xE681,0x2640,0x2200,0xE2C1,0xE381,0x2340,0xE101,0x21C0,0x2080,0xE041,0xA001,0x60C0,0x6180,0xA141,0x6300,0xA3C1,0xA281,0x6240,0x6600,0xA6C1,0xA781,0x6740,0xA501,0x65C0,0x6480,0xA441,0x6C00,0xACC1,0xAD81,0x6D40,0xAF01,0x6FC0,0x6E80,0xAE41,0xAA01,0x6AC0,0x6B80,0xAB41,0x6900,0xA9C1,0xA881,0x6840,0x7800,0xB8C1,0xB981,0x7940,0xBB01,0x7BC0,0x7A80,0xBA41,0xBE01,0x7EC0,0x7F80,0xBF41,0x7D00,0xBDC1,0xBC81,0x7C40,0xB401,0x74C0,0x7580,0xB541,0x7700,0xB7C1,0xB681,0x7640,0x7200,0xB2C1,0xB381,0x7340,0xB101,0x71C0,0x7080,0xB041,0x5000,0x90C1,0x9181,0x5140,0x9301,0x53C0,0x5280,0x9241,0x9601,0x56C0,0x5780,0x9741,0x5500,0x95C1,0x9481,0x5440,0x9C01,0x5CC0,0x5D80,0x9D41,0x5F00,0x9FC1,0x9E81,0x5E40,0x5A00,0x9AC1,0x9B81,0x5B40,0x9901,0x59C0,0x5880,0x9841,0x8801,0x48C0,0x4980,0x8941,0x4B00,0x8BC1,0x8A81,0x4A40,0x4E00,0x8EC1,0x8F81,0x4F40,0x8D01,0x4DC0,0x4C80,0x8C41,0x4400,0x84C1,0x8581,0x4540,0x8701,0x47C0,0x4680,0x8641,0x8201,0x42C0,0x4380,0x8341,0x4100,0x81C1,0x8081,0x4040};UInt16Crc=65535;UInt16x；]);}返回Crc；}本文收集自网络，不代表立场。如涉及侵权，请点击右侧联系管理员删除。如有转载请注明出处：
