1*32640292SAndy Fiddaman /*- 2*32640292SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 3*32640292SAndy Fiddaman * 4*32640292SAndy Fiddaman * Copyright (c) 2017, Fedor Uporov 5*32640292SAndy Fiddaman * All rights reserved. 6*32640292SAndy Fiddaman * 7*32640292SAndy Fiddaman * Redistribution and use in source and binary forms, with or without 8*32640292SAndy Fiddaman * modification, are permitted provided that the following conditions 9*32640292SAndy Fiddaman * are met: 10*32640292SAndy Fiddaman * 1. Redistributions of source code must retain the above copyright 11*32640292SAndy Fiddaman * notice, this list of conditions and the following disclaimer. 12*32640292SAndy Fiddaman * 2. Redistributions in binary form must reproduce the above copyright 13*32640292SAndy Fiddaman * notice, this list of conditions and the following disclaimer in the 14*32640292SAndy Fiddaman * documentation and/or other materials provided with the distribution. 15*32640292SAndy Fiddaman * 16*32640292SAndy Fiddaman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17*32640292SAndy Fiddaman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*32640292SAndy Fiddaman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*32640292SAndy Fiddaman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20*32640292SAndy Fiddaman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*32640292SAndy Fiddaman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*32640292SAndy Fiddaman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*32640292SAndy Fiddaman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*32640292SAndy Fiddaman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*32640292SAndy Fiddaman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*32640292SAndy Fiddaman * SUCH DAMAGE. 27*32640292SAndy Fiddaman */ 28*32640292SAndy Fiddaman 29*32640292SAndy Fiddaman #include <sys/types.h> 30*32640292SAndy Fiddaman #include "crc16.h" 31*32640292SAndy Fiddaman 32*32640292SAndy Fiddaman /* CRC table for the CRC-16. The poly is 0x8005 (x16 + x15 + x2 + 1). */ 33*32640292SAndy Fiddaman uint16_t const crc16_table[256] = { 34*32640292SAndy Fiddaman 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, 35*32640292SAndy Fiddaman 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, 36*32640292SAndy Fiddaman 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, 37*32640292SAndy Fiddaman 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841, 38*32640292SAndy Fiddaman 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, 39*32640292SAndy Fiddaman 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41, 40*32640292SAndy Fiddaman 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, 41*32640292SAndy Fiddaman 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040, 42*32640292SAndy Fiddaman 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, 43*32640292SAndy Fiddaman 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441, 44*32640292SAndy Fiddaman 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, 45*32640292SAndy Fiddaman 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840, 46*32640292SAndy Fiddaman 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, 47*32640292SAndy Fiddaman 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40, 48*32640292SAndy Fiddaman 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, 49*32640292SAndy Fiddaman 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041, 50*32640292SAndy Fiddaman 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, 51*32640292SAndy Fiddaman 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441, 52*32640292SAndy Fiddaman 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, 53*32640292SAndy Fiddaman 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840, 54*32640292SAndy Fiddaman 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, 55*32640292SAndy Fiddaman 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40, 56*32640292SAndy Fiddaman 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, 57*32640292SAndy Fiddaman 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041, 58*32640292SAndy Fiddaman 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, 59*32640292SAndy Fiddaman 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440, 60*32640292SAndy Fiddaman 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, 61*32640292SAndy Fiddaman 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841, 62*32640292SAndy Fiddaman 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, 63*32640292SAndy Fiddaman 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41, 64*32640292SAndy Fiddaman 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, 65*32640292SAndy Fiddaman 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 66*32640292SAndy Fiddaman }; 67