crc.c

用CS5532做的无线吊钩称的吊称端程序

#include <reg52.h>
//多项式为X^8+X^5+X^4+1;

unsigned char code CrcTable[256] = {
//       0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   a,   b,   c,   d,   e,   f
	0x00,0x31,0x62,0x53,0xC4,0xF5,0xA6,0x97,0xB9,0x88,0xDB,0xEA,0x7D,0x4C,0x1F,0x2E,
//      10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  1a,  1b,  1c,  1d,  1e,  1f
	0x43,0x72,0x21,0x10,0x87,0xB6,0xE5,0xD4,0xFA,0xCB,0x98,0xA9,0x3E,0x0F,0x5C,0x6D,
//      20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  2a,  2b,  2c,  2d,  2e,  2f
	0x86,0xB7,0xE4,0xD5,0x42,0x73,0x20,0x11,0x3F,0x0E,0x5D,0x6C,0xFB,0xCA,0x99,0xA8,
//      30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  3a,  3b,  3c,  3d,  3e,  3f
	0xC5,0xF4,0xA7,0x96,0x01,0x30,0x63,0x52,0x7C,0x4D,0x1E,0x2F,0xB8,0x89,0xDA,0xEB,
//      40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  4a,  4b,  4c,  4d,  4e,  4f
	0x3D,0x0C,0x5F,0x6E,0xF9,0xC8,0x9B,0xAA,0x84,0xB5,0xE6,0xD7,0x40,0x71,0x22,0x13,
//      50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  5a,  5b,  5c,  5d,  5e,  5f
	0x7E,0x4F,0x1C,0x2D,0xBA,0x8B,0xD8,0xE9,0xC7,0xF6,0xA5,0x94,0x03,0x32,0x61,0x50,
//      60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  6a,  6b,  6c,  6d,  6e,  6f
	0xBB,0x8A,0xD9,0xE8,0x7F,0x4E,0x1D,0x2C,0x02,0x33,0x60,0x51,0xC6,0xF7,0xA4,0x95,
//      70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  7a,  7b,  7c,  7d,  7e,  7f
	0xF8,0xC9,0x9A,0xAB,0x3C,0x0D,0x5E,0x6F,0x41,0x70,0x23,0x12,0x85,0xB4,0xE7,0xD6,
//      80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  8a,  8b,  8c,  8d,  8e,  8f
	0x7A,0x4B,0x18,0x29,0xBE,0x8F,0xDC,0xED,0xC3,0xF2,0xA1,0x90,0x07,0x36,0x65,0x54,
//      90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  9a,  9b,  9c,  9d,  9e,  9f
	0x39,0x08,0x5B,0x6A,0xFD,0xCC,0x9F,0xAE,0x80,0xB1,0xE2,0xD3,0x44,0x75,0x26,0x17,
//      a0,  a1,  a2,  a3,  a4,  a5,  a6,  a7,  a8,  a9,  aa,  ab,  ac,  ad,  ae,  af
	0xFC,0xCD,0x9E,0xAF,0x38,0x09,0x5A,0x6B,0x45,0x74,0x27,0x16,0x81,0xB0,0xE3,0xD2,
//      b0,  b1,  b2,  b3,  b4,  b5,  b6,  b7,  b8,  b9,  ba,  bb,  bc,  bd,  be,  bf
	0xBF,0x8E,0xDD,0xEC,0x7B,0x4A,0x19,0x28,0x06,0x37,0x64,0x55,0xC2,0xF3,0xA0,0x91,
//      c0,  c1,  c2,  c3,  c4,  c5,  c6,  c7,  c8,  c9,  ca,  cb,  cc,  cd,  ce,  cf
	0x47,0x76,0x25,0x14,0x83,0xB2,0xE1,0xD0,0xFE,0xCF,0x9C,0xAD,0x3A,0x0B,0x58,0x69,
//      d0,  d1,  d2,  d3,  d4,  d5,  d6,  d7,  d8,  d9,  da,  db,  dc,  dd,  de,  df
	0x04,0x35,0x66,0x57,0xC0,0xF1,0xA2,0x93,0xBD,0x8C,0xDF,0xEE,0x79,0x48,0x1B,0x2A,
//      e0,  e1,  e2,  e3,  e4,  e5,  e6,  e7,  e8,  e9,  ea,  eb,  ec,  ed,  ee,  ef
	0xC1,0xF0,0xA3,0x92,0x05,0x34,0x67,0x56,0x78,0x49,0x1A,0x2B,0xBC,0x8D,0xDE,0xEF,
//      f0,  f1,  f2,  f3,  f4,  f5,  f6,  f7,  f8,  f9,  fa,  fb,  fc,  fd,  fe,  ff
	0x82,0xB3,0xE0,0xD1,0x46,0x77,0x24,0x15,0x3B,0x0A,0x59,0x68,0xFF,0xCE,0x9D,0xAC
};

unsigned char CalCrc(unsigned char CRC_t,unsigned char dat)
{
	return( CrcTable[CRC_t ^ dat]);
}