Narutoca 2016-06-12 03:43 采纳率: 28.6%
浏览 4492
已采纳

crc8 校验,百度查了好多,总感觉不对,按道理来说crc8校验的表是固定不变的吧,共256种。

小弟工作中刚好要用到这个,于是网上查了好多,原理搞懂了懂了。但是发现好多博客上校验的表都不一样,代码感觉也怪怪的,下面是两个不同的表,请问有人用过这个吗,有c代码可以发一份参考下吗,谢谢啦。

const unsigned char Crc8Table[256] = {
0x00,0x8D,0x97,0x1A,0xA3,0x2E,0x34,0xB9,0xCB,0x46,0x5C,0xD1,0x68,0xE5,0xFF,0x72,
0x1B,0x96,0x8C,0x01,0xB8,0x35,0x2F,0xA2,0xD0,0x5D,0x47,0xCA,0x73,0xFE,0xE4,0x69,
0x36,0xBB,0xA1,0x2C,0x95,0x18,0x02,0x8F,0xFD,0x70,0x6A,0xE7,0x5E,0xD3,0xC9,0x44,
0x2D,0xA0,0xBA,0x37,0x8E,0x03,0x19,0x94,0xE6,0x6B,0x71,0xFC,0x45,0xC8,0xD2,0x5F,
0x6C,0xE1,0xFB,0x76,0xCF,0x42,0x58,0xD5,0xA7,0x2A,0x30,0xBD,0x04,0x89,0x93,0x1E,
0x77,0xFA,0xE0,0x6D,0xD4,0x59,0x43,0xCE,0xBC,0x31,0x2B,0xA6,0x1F,0x92,0x88,0x05,
0x5A,0xD7,0xCD,0x40,0xF9,0x74,0x6E,0xE3,0x91,0x1C,0x06,0x8B,0x32,0xBF,0xA5,0x28,
0x41,0xCC,0xD6,0x5B,0xE2,0x6F,0x75,0xF8,0x8A,0x07,0x1D,0x90,0x29,0xA4,0xBE,0x33,
0xD8,0x55,0x4F,0xC2,0x7B,0xF6,0xEC,0x61,0x13,0x9E,0x84,0x09,0xB0,0x3D,0x27,0xAA,
0xC3,0x4E,0x54,0xD9,0x60,0xED,0xF7,0x7A,0x08,0x85,0x9F,0x12,0xAB,0x26,0x3C,0xB1,
0xEE,0x63,0x79,0xF4,0x4D,0xC0,0xDA,0x57,0x25,0xA8,0xB2,0x3F,0x86,0x0B,0x11,0x9C,
0xF5,0x78,0x62,0xEF,0x56,0xDB,0xC1,0x4C,0x3E,0xB3,0xA9,0x24,0x9D,0x10,0x0A,0x87,
0xB4,0x39,0x23,0xAE,0x17,0x9A,0x80,0x0D,0x7F,0xF2,0xE8,0x65,0xDC,0x51,0x4B,0xC6,
0xAF,0x22,0x38,0xB5,0x0C,0x81,0x9B,0x16,0x64,0xE9,0xF3,0x7E,0xC7,0x4A,0x50,0xDD,
0x82,0x0F,0x15,0x98,0x21,0xAC,0xB6,0x3B,0x49,0xC4,0xDE,0x53,0xEA,0x67,0x7D,0xF0,
0x99,0x14,0x0E,0x83,0x3A,0xB7,0xAD,0x20,0x52,0xDF,0xC5,0x48,0xF1,0x7C,0x66,0xEB
};

const char CRC8Table[]={
0, 94, 188, 226, 97, 63, 221, 131, 194, 156, 126, 32, 163, 253, 31, 65,
157, 195, 33, 127, 252, 162, 64, 30, 95, 1, 227, 189, 62, 96, 130, 220,
35, 125, 159, 193, 66, 28, 254, 160, 225, 191, 93, 3, 128, 222, 60, 98,
190, 224, 2, 92, 223, 129, 99, 61, 124, 34, 192, 158, 29, 67, 161, 255,
70, 24, 250, 164, 39, 121, 155, 197, 132, 218, 56, 102, 229, 187, 89, 7,
219, 133, 103, 57, 186, 228, 6, 88, 25, 71, 165, 251, 120, 38, 196, 154,
101, 59, 217, 135, 4, 90, 184, 230, 167, 249, 27, 69, 198, 152, 122, 36,
248, 166, 68, 26, 153, 199, 37, 123, 58, 100, 134, 216, 91, 5, 231, 185,
140, 210, 48, 110, 237, 179, 81, 15, 78, 16, 242, 172, 47, 113, 147, 205,
17, 79, 173, 243, 112, 46, 204, 146, 211, 141, 111, 49, 178, 236, 14, 80,
175, 241, 19, 77, 206, 144, 114, 44, 109, 51, 209, 143, 12, 82, 176, 238,
50, 108, 142, 208, 83, 13, 239, 177, 240, 174, 76, 18, 145, 207, 45, 115,
202, 148, 118, 40, 171, 245, 23, 73, 8, 86, 180, 234, 105, 55, 213, 139,
87, 9, 235, 181, 54, 104, 138, 212, 149, 203, 41, 119, 244, 170, 72, 22,
233, 183, 85, 11, 136, 214, 52, 106, 43, 117, 151, 201, 74, 20, 246, 168,
116, 42, 200, 150, 21, 75, 169, 247, 182, 232, 10, 84, 215, 137, 107, 53
};

  • 写回答

3条回答 默认 最新

  • threenewbee 2016-06-12 03:59
    关注

    CRC是可以算的,不一定要查表,因为不同的算法用的多项式系数不同,所以没有统一的标准。

    http://blog.csdn.net/bailang326/article/details/5717702

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
查看更多回答(2条)

报告相同问题?

悬赏问题

  • ¥20 有关区间dp的问题求解
  • ¥15 多电路系统共用电源的串扰问题
  • ¥15 slam rangenet++配置
  • ¥15 有没有研究水声通信方面的帮我改俩matlab代码
  • ¥15 对于相关问题的求解与代码
  • ¥15 ubuntu子系统密码忘记
  • ¥15 信号傅里叶变换在matlab上遇到的小问题请求帮助
  • ¥15 保护模式-系统加载-段寄存器
  • ¥15 电脑桌面设定一个区域禁止鼠标操作
  • ¥15 求NPF226060磁芯的详细资料