1 /* 2 RFCOMM implementation for Linux Bluetooth stack (BlueZ). 3 Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com> 4 Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org> 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License version 2 as 8 published by the Free Software Foundation; 9 10 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 11 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 12 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 13 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 14 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 15 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 19 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 20 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 21 SOFTWARE IS DISCLAIMED. 22 */ 23 24 /* 25 * RFCOMM FCS calculation. 26 * 27 * $Id: crc.c,v 1.2 2002/09/21 09:54:32 holtmann Exp $ 28 */ 29 30 /* reversed, 8-bit, poly=0x07 */ 31 unsigned char rfcomm_crc_table[256] = { 32 0x00, 0x91, 0xe3, 0x72, 0x07, 0x96, 0xe4, 0x75, 33 0x0e, 0x9f, 0xed, 0x7c, 0x09, 0x98, 0xea, 0x7b, 34 0x1c, 0x8d, 0xff, 0x6e, 0x1b, 0x8a, 0xf8, 0x69, 35 0x12, 0x83, 0xf1, 0x60, 0x15, 0x84, 0xf6, 0x67, 36 37 0x38, 0xa9, 0xdb, 0x4a, 0x3f, 0xae, 0xdc, 0x4d, 38 0x36, 0xa7, 0xd5, 0x44, 0x31, 0xa0, 0xd2, 0x43, 39 0x24, 0xb5, 0xc7, 0x56, 0x23, 0xb2, 0xc0, 0x51, 40 0x2a, 0xbb, 0xc9, 0x58, 0x2d, 0xbc, 0xce, 0x5f, 41 42 0x70, 0xe1, 0x93, 0x02, 0x77, 0xe6, 0x94, 0x05, 43 0x7e, 0xef, 0x9d, 0x0c, 0x79, 0xe8, 0x9a, 0x0b, 44 0x6c, 0xfd, 0x8f, 0x1e, 0x6b, 0xfa, 0x88, 0x19, 45 0x62, 0xf3, 0x81, 0x10, 0x65, 0xf4, 0x86, 0x17, 46 47 0x48, 0xd9, 0xab, 0x3a, 0x4f, 0xde, 0xac, 0x3d, 48 0x46, 0xd7, 0xa5, 0x34, 0x41, 0xd0, 0xa2, 0x33, 49 0x54, 0xc5, 0xb7, 0x26, 0x53, 0xc2, 0xb0, 0x21, 50 0x5a, 0xcb, 0xb9, 0x28, 0x5d, 0xcc, 0xbe, 0x2f, 51 52 0xe0, 0x71, 0x03, 0x92, 0xe7, 0x76, 0x04, 0x95, 53 0xee, 0x7f, 0x0d, 0x9c, 0xe9, 0x78, 0x0a, 0x9b, 54 0xfc, 0x6d, 0x1f, 0x8e, 0xfb, 0x6a, 0x18, 0x89, 55 0xf2, 0x63, 0x11, 0x80, 0xf5, 0x64, 0x16, 0x87, 56 57 0xd8, 0x49, 0x3b, 0xaa, 0xdf, 0x4e, 0x3c, 0xad, 58 0xd6, 0x47, 0x35, 0xa4, 0xd1, 0x40, 0x32, 0xa3, 59 0xc4, 0x55, 0x27, 0xb6, 0xc3, 0x52, 0x20, 0xb1, 60 0xca, 0x5b, 0x29, 0xb8, 0xcd, 0x5c, 0x2e, 0xbf, 61 62 0x90, 0x01, 0x73, 0xe2, 0x97, 0x06, 0x74, 0xe5, 63 0x9e, 0x0f, 0x7d, 0xec, 0x99, 0x08, 0x7a, 0xeb, 64 0x8c, 0x1d, 0x6f, 0xfe, 0x8b, 0x1a, 0x68, 0xf9, 65 0x82, 0x13, 0x61, 0xf0, 0x85, 0x14, 0x66, 0xf7, 66 67 0xa8, 0x39, 0x4b, 0xda, 0xaf, 0x3e, 0x4c, 0xdd, 68 0xa6, 0x37, 0x45, 0xd4, 0xa1, 0x30, 0x42, 0xd3, 69 0xb4, 0x25, 0x57, 0xc6, 0xb3, 0x22, 0x50, 0xc1, 70 0xba, 0x2b, 0x59, 0xc8, 0xbd, 0x2c, 0x5e, 0xcf 71 }; 72