Thanks Mike, but I wonder if the lookup table should be in ram instead. I think ram is much faster, so maybe a constant should be made so the user can choose.
Matt. On Mar 14, 1:44 pm, "m...@watty" <[email protected]> wrote: > http://www.ross.net/crc/download/crc_v3.txt > > -- lookup table for IEEE 802.3 32bit CRC > -- x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + > x4 + x2 + x + 1 > const byte CRC32_803_3[] = { > 0x00,0x00,0x00,0x00, 0x96,0x30,0x07,0x77, 0x2C,0x61,0x0E,0xEE, > 0xBA,0x51,0x09,0x99, > 0x19,0xC4,0x6D,0x07, 0x8F,0xF4,0x6A,0x70, 0x35,0xA5,0x63,0xE9, > 0xA3,0x95,0x64,0x9E, > 0x32,0x88,0xDB,0x0E, 0xA4,0xB8,0xDC,0x79, 0x1E,0xE9,0xD5,0xE0, > 0x88,0xD9,0xD2,0x97, > 0x2B,0x4C,0xB6,0x09, 0xBD,0x7C,0xB1,0x7E, 0x07,0x2D,0xB8,0xE7, > 0x91,0x1D,0xBF,0x90, > 0x64,0x10,0xB7,0x1D, 0xF2,0x20,0xB0,0x6A, 0x48,0x71,0xB9,0xF3, > 0xDE,0x41,0xBE,0x84, > 0x7D,0xD4,0xDA,0x1A, 0xEB,0xE4,0xDD,0x6D, 0x51,0xB5,0xD4,0xF4, > 0xC7,0x85,0xD3,0x83, > 0x56,0x98,0x6C,0x13, 0xC0,0xA8,0x6B,0x64, 0x7A,0xF9,0x62,0xFD, > 0xEC,0xC9,0x65,0x8A, > 0x4F,0x5C,0x01,0x14, 0xD9,0x6C,0x06,0x63, 0x63,0x3D,0x0F,0xFA, > 0xF5,0x0D,0x08,0x8D, > 0xC8,0x20,0x6E,0x3B, 0x5E,0x10,0x69,0x4C, 0xE4,0x41,0x60,0xD5, > 0x72,0x71,0x67,0xA2, > 0xD1,0xE4,0x03,0x3C, 0x47,0xD4,0x04,0x4B, 0xFD,0x85,0x0D,0xD2, > 0x6B,0xB5,0x0A,0xA5, > 0xFA,0xA8,0xB5,0x35, 0x6C,0x98,0xB2,0x42, 0xD6,0xC9,0xBB,0xDB, > 0x40,0xF9,0xBC,0xAC, > 0xE3,0x6C,0xD8,0x32, 0x75,0x5C,0xDF,0x45, 0xCF,0x0D,0xD6,0xDC, > 0x59,0x3D,0xD1,0xAB, > 0xAC,0x30,0xD9,0x26, 0x3A,0x00,0xDE,0x51, 0x80,0x51,0xD7,0xC8, > 0x16,0x61,0xD0,0xBF, > 0xB5,0xF4,0xB4,0x21, 0x23,0xC4,0xB3,0x56, 0x99,0x95,0xBA,0xCF, > 0x0F,0xA5,0xBD,0xB8, > 0x9E,0xB8,0x02,0x28, 0x08,0x88,0x05,0x5F, 0xB2,0xD9,0x0C,0xC6, > 0x24,0xE9,0x0B,0xB1, > 0x87,0x7C,0x6F,0x2F, 0x11,0x4C,0x68,0x58, 0xAB,0x1D,0x61,0xC1, > 0x3D,0x2D,0x66,0xB6, > 0x90,0x41,0xDC,0x76, 0x06,0x71,0xDB,0x01, 0xBC,0x20,0xD2,0x98, > 0x2A,0x10,0xD5,0xEF, > 0x89,0x85,0xB1,0x71, 0x1F,0xB5,0xB6,0x06, 0xA5,0xE4,0xBF,0x9F, > 0x33,0xD4,0xB8,0xE8, > 0xA2,0xC9,0x07,0x78, 0x34,0xF9,0x00,0x0F, 0x8E,0xA8,0x09,0x96, > 0x18,0x98,0x0E,0xE1, > 0xBB,0x0D,0x6A,0x7F, 0x2D,0x3D,0x6D,0x08, 0x97,0x6C,0x64,0x91, > 0x01,0x5C,0x63,0xE6, > 0xF4,0x51,0x6B,0x6B, 0x62,0x61,0x6C,0x1C, 0xD8,0x30,0x65,0x85, > 0x4E,0x00,0x62,0xF2, > 0xED,0x95,0x06,0x6C, 0x7B,0xA5,0x01,0x1B, 0xC1,0xF4,0x08,0x82, > 0x57,0xC4,0x0F,0xF5, > 0xC6,0xD9,0xB0,0x65, 0x50,0xE9,0xB7,0x12, 0xEA,0xB8,0xBE,0x8B, > 0x7C,0x88,0xB9,0xFC, > 0xDF,0x1D,0xDD,0x62, 0x49,0x2D,0xDA,0x15, 0xF3,0x7C,0xD3,0x8C, > 0x65,0x4C,0xD4,0xFB, > 0x58,0x61,0xB2,0x4D, 0xCE,0x51,0xB5,0x3A, 0x74,0x00,0xBC,0xA3, > 0xE2,0x30,0xBB,0xD4, > 0x41,0xA5,0xDF,0x4A, 0xD7,0x95,0xD8,0x3D, 0x6D,0xC4,0xD1,0xA4, > 0xFB,0xF4,0xD6,0xD3, > 0x6A,0xE9,0x69,0x43, 0xFC,0xD9,0x6E,0x34, 0x46,0x88,0x67,0xAD, > 0xD0,0xB8,0x60,0xDA, > 0x73,0x2D,0x04,0x44, 0xE5,0x1D,0x03,0x33, 0x5F,0x4C,0x0A,0xAA, > 0xC9,0x7C,0x0D,0xDD, > 0x3C,0x71,0x05,0x50, 0xAA,0x41,0x02,0x27, 0x10,0x10,0x0B,0xBE, > 0x86,0x20,0x0C,0xC9, > 0x25,0xB5,0x68,0x57, 0xB3,0x85,0x6F,0x20, 0x09,0xD4,0x66,0xB9, > 0x9F,0xE4,0x61,0xCE, > 0x0E,0xF9,0xDE,0x5E, 0x98,0xC9,0xD9,0x29, 0x22,0x98,0xD0,0xB0, > 0xB4,0xA8,0xD7,0xC7, > 0x17,0x3D,0xB3,0x59, 0x81,0x0D,0xB4,0x2E, 0x3B,0x5C,0xBD,0xB7, > 0xAD,0x6C,0xBA,0xC0, > 0x20,0x83,0xB8,0xED, 0xB6,0xB3,0xBF,0x9A, 0x0C,0xE2,0xB6,0x03, > 0x9A,0xD2,0xB1,0x74, > 0x39,0x47,0xD5,0xEA, 0xAF,0x77,0xD2,0x9D, 0x15,0x26,0xDB,0x04, > 0x83,0x16,0xDC,0x73, > 0x12,0x0B,0x63,0xE3, 0x84,0x3B,0x64,0x94, 0x3E,0x6A,0x6D,0x0D, > 0xA8,0x5A,0x6A,0x7A, > 0x0B,0xCF,0x0E,0xE4, 0x9D,0xFF,0x09,0x93, 0x27,0xAE,0x00,0x0A, > 0xB1,0x9E,0x07,0x7D, > 0x44,0x93,0x0F,0xF0, 0xD2,0xA3,0x08,0x87, 0x68,0xF2,0x01,0x1E, > 0xFE,0xC2,0x06,0x69, > 0x5D,0x57,0x62,0xF7, 0xCB,0x67,0x65,0x80, 0x71,0x36,0x6C,0x19, > 0xE7,0x06,0x6B,0x6E, > 0x76,0x1B,0xD4,0xFE, 0xE0,0x2B,0xD3,0x89, 0x5A,0x7A,0xDA,0x10, > 0xCC,0x4A,0xDD,0x67, > 0x6F,0xDF,0xB9,0xF9, 0xF9,0xEF,0xBE,0x8E, 0x43,0xBE,0xB7,0x17, > 0xD5,0x8E,0xB0,0x60, > 0xE8,0xA3,0xD6,0xD6, 0x7E,0x93,0xD1,0xA1, 0xC4,0xC2,0xD8,0x38, > 0x52,0xF2,0xDF,0x4F, > 0xF1,0x67,0xBB,0xD1, 0x67,0x57,0xBC,0xA6, 0xDD,0x06,0xB5,0x3F, > 0x4B,0x36,0xB2,0x48, > 0xDA,0x2B,0x0D,0xD8, 0x4C,0x1B,0x0A,0xAF, 0xF6,0x4A,0x03,0x36, > 0x60,0x7A,0x04,0x41, > 0xC3,0xEF,0x60,0xDF, 0x55,0xDF,0x67,0xA8, 0xEF,0x8E,0x6E,0x31, > 0x79,0xBE,0x69,0x46, > 0x8C,0xB3,0x61,0xCB, 0x1A,0x83,0x66,0xBC, 0xA0,0xD2,0x6F,0x25, > 0x36,0xE2,0x68,0x52, > 0x95,0x77,0x0C,0xCC, 0x03,0x47,0x0B,0xBB, 0xB9,0x16,0x02,0x22, > 0x2F,0x26,0x05,0x55, > 0xBE,0x3B,0xBA,0xC5, 0x28,0x0B,0xBD,0xB2, 0x92,0x5A,0xB4,0x2B, > 0x04,0x6A,0xB3,0x5C, > 0xA7,0xFF,0xD7,0xC2, 0x31,0xCF,0xD0,0xB5, 0x8B,0x9E,0xD9,0x2C, > 0x1D,0xAE,0xDE,0x5B, > 0xB0,0xC2,0x64,0x9B, 0x26,0xF2,0x63,0xEC, 0x9C,0xA3,0x6A,0x75, > 0x0A,0x93,0x6D,0x02, > 0xA9,0x06,0x09,0x9C, 0x3F,0x36,0x0E,0xEB, 0x85,0x67,0x07,0x72, > 0x13,0x57,0x00,0x05, > 0x82,0x4A,0xBF,0x95, 0x14,0x7A,0xB8,0xE2, 0xAE,0x2B,0xB1,0x7B, > 0x38,0x1B,0xB6,0x0C, > 0x9B,0x8E,0xD2,0x92, 0x0D,0xBE,0xD5,0xE5, 0xB7,0xEF,0xDC,0x7C, > 0x21,0xDF,0xDB,0x0B, > 0xD4,0xD2,0xD3,0x86, 0x42,0xE2,0xD4,0xF1, 0xF8,0xB3,0xDD,0x68, > 0x6E,0x83,0xDA,0x1F, > 0xCD,0x16,0xBE,0x81, 0x5B,0x26,0xB9,0xF6, 0xE1,0x77,0xB0,0x6F, > 0x77,0x47,0xB7,0x18, > 0xE6,0x5A,0x08,0x88, 0x70,0x6A,0x0F,0xFF, 0xCA,0x3B,0x06,0x66, > 0x5C,0x0B,0x01,0x11, > 0xFF,0x9E,0x65,0x8F, 0x69,0xAE,0x62,0xF8, 0xD3,0xFF,0x6B,0x61, > 0x45,0xCF,0x6C,0x16, > 0x78,0xE2,0x0A,0xA0, 0xEE,0xD2,0x0D,0xD7, 0x54,0x83,0x04,0x4E, > 0xC2,0xB3,0x03,0x39, > 0x61,0x26,0x67,0xA7, 0xF7,0x16,0x60,0xD0, 0x4D,0x47,0x69,0x49, > 0xDB,0x77,0x6E,0x3E, > 0x4A,0x6A,0xD1,0xAE, 0xDC,0x5A,0xD6,0xD9, 0x66,0x0B,0xDF,0x40, > 0xF0,0x3B,0xD8,0x37, > 0x53,0xAE,0xBC,0xA9, 0xC5,0x9E,0xBB,0xDE, 0x7F,0xCF,0xB2,0x47, > 0xE9,0xFF,0xB5,0x30, > 0x1C,0xF2,0xBD,0xBD, 0x8A,0xC2,0xBA,0xCA, 0x30,0x93,0xB3,0x53, > 0xA6,0xA3,0xB4,0x24, > 0x05,0x36,0xD0,0xBA, 0x93,0x06,0xD7,0xCD, 0x29,0x57,0xDE,0x54, > 0xBF,0x67,0xD9,0x23, > 0x2E,0x7A,0x66,0xB3, 0xB8,0x4A,0x61,0xC4, 0x02,0x1B,0x68,0x5D, > 0x94,0x2B,0x6F,0x2A, > 0x37,0xBE,0x0B,0xB4, 0xA1,0x8E,0x0C,0xC3, 0x1B,0xDF,0x05,0x5A, > 0x8D,0xEF,0x02,0x2D > > } > > -- not tested > -- pass array of data and see what CRC should be, to compare on > receive > -- or append on transmitt > function getcrc32(byte in datas[] )return dword is > var dword crc > var word indec > crc = 0xFFFFFFFF > for count(datas) using indec loop > crc = ((crc>>8) & 0x00FFFFFF) ^ > dword(CRC32_803_3[ byte((crc^dword(datas[indec])) & 0xFF )]) > end loop > return( crc^0xFFFFFFFF ) > end function -- You received this message because you are subscribed to the Google Groups "jallib" group. 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