1 // Copyright 2021 Espressif Systems (Shanghai) CO LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "esp_rom_crc.h"
16
17 static const uint32_t crc32_le_table[256] = {
18 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L,
19 0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L,
20 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L,
21 0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L,
22 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
23 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L,
24 0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL,
25 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL,
26 0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L,
27 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
28 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L,
29 0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L,
30 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL,
31 0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L,
32 0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
33 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL,
34
35 0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L,
36 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L,
37 0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L,
38 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
39 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL,
40 0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L,
41 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL,
42 0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL,
43 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
44 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L,
45 0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L,
46 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L,
47 0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL,
48 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
49 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL,
50 0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL
51 };
52
53 static uint32_t crc32_be_table[256] = {
54 0x00000000L, 0x04c11db7L, 0x09823b6eL, 0x0d4326d9L, 0x130476dcL, 0x17c56b6bL, 0x1a864db2L, 0x1e475005L,
55 0x2608edb8L, 0x22c9f00fL, 0x2f8ad6d6L, 0x2b4bcb61L, 0x350c9b64L, 0x31cd86d3L, 0x3c8ea00aL, 0x384fbdbdL,
56 0x4c11db70L, 0x48d0c6c7L, 0x4593e01eL, 0x4152fda9L, 0x5f15adacL, 0x5bd4b01bL, 0x569796c2L, 0x52568b75L,
57 0x6a1936c8L, 0x6ed82b7fL, 0x639b0da6L, 0x675a1011L, 0x791d4014L, 0x7ddc5da3L, 0x709f7b7aL, 0x745e66cdL,
58 0x9823b6e0L, 0x9ce2ab57L, 0x91a18d8eL, 0x95609039L, 0x8b27c03cL, 0x8fe6dd8bL, 0x82a5fb52L, 0x8664e6e5L,
59 0xbe2b5b58L, 0xbaea46efL, 0xb7a96036L, 0xb3687d81L, 0xad2f2d84L, 0xa9ee3033L, 0xa4ad16eaL, 0xa06c0b5dL,
60 0xd4326d90L, 0xd0f37027L, 0xddb056feL, 0xd9714b49L, 0xc7361b4cL, 0xc3f706fbL, 0xceb42022L, 0xca753d95L,
61 0xf23a8028L, 0xf6fb9d9fL, 0xfbb8bb46L, 0xff79a6f1L, 0xe13ef6f4L, 0xe5ffeb43L, 0xe8bccd9aL, 0xec7dd02dL,
62 0x34867077L, 0x30476dc0L, 0x3d044b19L, 0x39c556aeL, 0x278206abL, 0x23431b1cL, 0x2e003dc5L, 0x2ac12072L,
63 0x128e9dcfL, 0x164f8078L, 0x1b0ca6a1L, 0x1fcdbb16L, 0x018aeb13L, 0x054bf6a4L, 0x0808d07dL, 0x0cc9cdcaL,
64 0x7897ab07L, 0x7c56b6b0L, 0x71159069L, 0x75d48ddeL, 0x6b93dddbL, 0x6f52c06cL, 0x6211e6b5L, 0x66d0fb02L,
65 0x5e9f46bfL, 0x5a5e5b08L, 0x571d7dd1L, 0x53dc6066L, 0x4d9b3063L, 0x495a2dd4L, 0x44190b0dL, 0x40d816baL,
66 0xaca5c697L, 0xa864db20L, 0xa527fdf9L, 0xa1e6e04eL, 0xbfa1b04bL, 0xbb60adfcL, 0xb6238b25L, 0xb2e29692L,
67 0x8aad2b2fL, 0x8e6c3698L, 0x832f1041L, 0x87ee0df6L, 0x99a95df3L, 0x9d684044L, 0x902b669dL, 0x94ea7b2aL,
68 0xe0b41de7L, 0xe4750050L, 0xe9362689L, 0xedf73b3eL, 0xf3b06b3bL, 0xf771768cL, 0xfa325055L, 0xfef34de2L,
69 0xc6bcf05fL, 0xc27dede8L, 0xcf3ecb31L, 0xcbffd686L, 0xd5b88683L, 0xd1799b34L, 0xdc3abdedL, 0xd8fba05aL,
70 0x690ce0eeL, 0x6dcdfd59L, 0x608edb80L, 0x644fc637L, 0x7a089632L, 0x7ec98b85L, 0x738aad5cL, 0x774bb0ebL,
71 0x4f040d56L, 0x4bc510e1L, 0x46863638L, 0x42472b8fL, 0x5c007b8aL, 0x58c1663dL, 0x558240e4L, 0x51435d53L,
72 0x251d3b9eL, 0x21dc2629L, 0x2c9f00f0L, 0x285e1d47L, 0x36194d42L, 0x32d850f5L, 0x3f9b762cL, 0x3b5a6b9bL,
73 0x0315d626L, 0x07d4cb91L, 0x0a97ed48L, 0x0e56f0ffL, 0x1011a0faL, 0x14d0bd4dL, 0x19939b94L, 0x1d528623L,
74 0xf12f560eL, 0xf5ee4bb9L, 0xf8ad6d60L, 0xfc6c70d7L, 0xe22b20d2L, 0xe6ea3d65L, 0xeba91bbcL, 0xef68060bL,
75 0xd727bbb6L, 0xd3e6a601L, 0xdea580d8L, 0xda649d6fL, 0xc423cd6aL, 0xc0e2d0ddL, 0xcda1f604L, 0xc960ebb3L,
76 0xbd3e8d7eL, 0xb9ff90c9L, 0xb4bcb610L, 0xb07daba7L, 0xae3afba2L, 0xaafbe615L, 0xa7b8c0ccL, 0xa379dd7bL,
77 0x9b3660c6L, 0x9ff77d71L, 0x92b45ba8L, 0x9675461fL, 0x8832161aL, 0x8cf30badL, 0x81b02d74L, 0x857130c3L,
78 0x5d8a9099L, 0x594b8d2eL, 0x5408abf7L, 0x50c9b640L, 0x4e8ee645L, 0x4a4ffbf2L, 0x470cdd2bL, 0x43cdc09cL,
79 0x7b827d21L, 0x7f436096L, 0x7200464fL, 0x76c15bf8L, 0x68860bfdL, 0x6c47164aL, 0x61043093L, 0x65c52d24L,
80 0x119b4be9L, 0x155a565eL, 0x18197087L, 0x1cd86d30L, 0x029f3d35L, 0x065e2082L, 0x0b1d065bL, 0x0fdc1becL,
81 0x3793a651L, 0x3352bbe6L, 0x3e119d3fL, 0x3ad08088L, 0x2497d08dL, 0x2056cd3aL, 0x2d15ebe3L, 0x29d4f654L,
82 0xc5a92679L, 0xc1683bceL, 0xcc2b1d17L, 0xc8ea00a0L, 0xd6ad50a5L, 0xd26c4d12L, 0xdf2f6bcbL, 0xdbee767cL,
83 0xe3a1cbc1L, 0xe760d676L, 0xea23f0afL, 0xeee2ed18L, 0xf0a5bd1dL, 0xf464a0aaL, 0xf9278673L, 0xfde69bc4L,
84 0x89b8fd09L, 0x8d79e0beL, 0x803ac667L, 0x84fbdbd0L, 0x9abc8bd5L, 0x9e7d9662L, 0x933eb0bbL, 0x97ffad0cL,
85 0xafb010b1L, 0xab710d06L, 0xa6322bdfL, 0xa2f33668L, 0xbcb4666dL, 0xb8757bdaL, 0xb5365d03L, 0xb1f740b4L
86 };
87
88 static uint16_t crc16_le_table[256] = {
89 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1,0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
90 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40,0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
91 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3,0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
92 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42,0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
93 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5,0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
94 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44,0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
95 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7,0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
96 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46,0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
97
98 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9,0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
99 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948,0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
100 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb,0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
101 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a,0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
102 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd,0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
103 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c,0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
104 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf,0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
105 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e,0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
106 };
107
108 static uint16_t crc16_be_table[256] = {
109 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129,0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
110 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318,0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
111 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b,0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
112 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a,0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
113 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed,0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
114 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc,0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
115 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f,0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
116 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe,0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
117 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1,0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
118 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290,0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
119 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3,0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
120 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2,0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
121 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865,0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
122 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54,0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
123 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07,0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
124 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36,0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
125 };
126
127 static uint8_t crc8_le_table[256] = {
128 0x00, 0x91, 0xe3, 0x72, 0x07, 0x96, 0xe4, 0x75, 0x0e, 0x9f, 0xed, 0x7c, 0x09, 0x98, 0xea, 0x7b,
129 0x1c, 0x8d, 0xff, 0x6e, 0x1b, 0x8a, 0xf8, 0x69, 0x12, 0x83, 0xf1, 0x60, 0x15, 0x84, 0xf6, 0x67,
130 0x38, 0xa9, 0xdb, 0x4a, 0x3f, 0xae, 0xdc, 0x4d, 0x36, 0xa7, 0xd5, 0x44, 0x31, 0xa0, 0xd2, 0x43,
131 0x24, 0xb5, 0xc7, 0x56, 0x23, 0xb2, 0xc0, 0x51, 0x2a, 0xbb, 0xc9, 0x58, 0x2d, 0xbc, 0xce, 0x5f,
132 0x70, 0xe1, 0x93, 0x02, 0x77, 0xe6, 0x94, 0x05, 0x7e, 0xef, 0x9d, 0x0c, 0x79, 0xe8, 0x9a, 0x0b,
133 0x6c, 0xfd, 0x8f, 0x1e, 0x6b, 0xfa, 0x88, 0x19, 0x62, 0xf3, 0x81, 0x10, 0x65, 0xf4, 0x86, 0x17,
134 0x48, 0xd9, 0xab, 0x3a, 0x4f, 0xde, 0xac, 0x3d, 0x46, 0xd7, 0xa5, 0x34, 0x41, 0xd0, 0xa2, 0x33,
135 0x54, 0xc5, 0xb7, 0x26, 0x53, 0xc2, 0xb0, 0x21, 0x5a, 0xcb, 0xb9, 0x28, 0x5d, 0xcc, 0xbe, 0x2f,
136
137 0xe0, 0x71, 0x03, 0x92, 0xe7, 0x76, 0x04, 0x95, 0xee, 0x7f, 0x0d, 0x9c, 0xe9, 0x78, 0x0a, 0x9b,
138 0xfc, 0x6d, 0x1f, 0x8e, 0xfb, 0x6a, 0x18, 0x89, 0xf2, 0x63, 0x11, 0x80, 0xf5, 0x64, 0x16, 0x87,
139 0xd8, 0x49, 0x3b, 0xaa, 0xdf, 0x4e, 0x3c, 0xad, 0xd6, 0x47, 0x35, 0xa4, 0xd1, 0x40, 0x32, 0xa3,
140 0xc4, 0x55, 0x27, 0xb6, 0xc3, 0x52, 0x20, 0xb1, 0xca, 0x5b, 0x29, 0xb8, 0xcd, 0x5c, 0x2e, 0xbf,
141 0x90, 0x01, 0x73, 0xe2, 0x97, 0x06, 0x74, 0xe5, 0x9e, 0x0f, 0x7d, 0xec, 0x99, 0x08, 0x7a, 0xeb,
142 0x8c, 0x1d, 0x6f, 0xfe, 0x8b, 0x1a, 0x68, 0xf9, 0x82, 0x13, 0x61, 0xf0, 0x85, 0x14, 0x66, 0xf7,
143 0xa8, 0x39, 0x4b, 0xda, 0xaf, 0x3e, 0x4c, 0xdd, 0xa6, 0x37, 0x45, 0xd4, 0xa1, 0x30, 0x42, 0xd3,
144 0xb4, 0x25, 0x57, 0xc6, 0xb3, 0x22, 0x50, 0xc1, 0xba, 0x2b, 0x59, 0xc8, 0xbd, 0x2c, 0x5e, 0xcf
145 };
146
147 static uint8_t crc8_be_table[256] = {
148 0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15, 0x38, 0x3f, 0x36, 0x31, 0x24, 0x23, 0x2a, 0x2d,
149 0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65, 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d,
150 0xe0, 0xe7, 0xee, 0xe9, 0xfc, 0xfb, 0xf2, 0xf5, 0xd8, 0xdf, 0xd6, 0xd1, 0xc4, 0xc3, 0xca, 0xcd,
151 0x90, 0x97, 0x9e, 0x99, 0x8c, 0x8b, 0x82, 0x85, 0xa8, 0xaf, 0xa6, 0xa1, 0xb4, 0xb3, 0xba, 0xbd,
152 0xc7, 0xc0, 0xc9, 0xce, 0xdb, 0xdc, 0xd5, 0xd2, 0xff, 0xf8, 0xf1, 0xf6, 0xe3, 0xe4, 0xed, 0xea,
153 0xb7, 0xb0, 0xb9, 0xbe, 0xab, 0xac, 0xa5, 0xa2, 0x8f, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d, 0x9a,
154 0x27, 0x20, 0x29, 0x2e, 0x3b, 0x3c, 0x35, 0x32, 0x1f, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0d, 0x0a,
155 0x57, 0x50, 0x59, 0x5e, 0x4b, 0x4c, 0x45, 0x42, 0x6f, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a,
156 0x89, 0x8e, 0x87, 0x80, 0x95, 0x92, 0x9b, 0x9c, 0xb1, 0xb6, 0xbf, 0xb8, 0xad, 0xaa, 0xa3, 0xa4,
157 0xf9, 0xfe, 0xf7, 0xf0, 0xe5, 0xe2, 0xeb, 0xec, 0xc1, 0xc6, 0xcf, 0xc8, 0xdd, 0xda, 0xd3, 0xd4,
158 0x69, 0x6e, 0x67, 0x60, 0x75, 0x72, 0x7b, 0x7c, 0x51, 0x56, 0x5f, 0x58, 0x4d, 0x4a, 0x43, 0x44,
159 0x19, 0x1e, 0x17, 0x10, 0x05, 0x02, 0x0b, 0x0c, 0x21, 0x26, 0x2f, 0x28, 0x3d, 0x3a, 0x33, 0x34,
160 0x4e, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5c, 0x5b, 0x76, 0x71, 0x78, 0x7f, 0x6a, 0x6d, 0x64, 0x63,
161 0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2c, 0x2b, 0x06, 0x01, 0x08, 0x0f, 0x1a, 0x1d, 0x14, 0x13,
162 0xae, 0xa9, 0xa0, 0xa7, 0xb2, 0xb5, 0xbc, 0xbb, 0x96, 0x91, 0x98, 0x9f, 0x8a, 0x8d, 0x84, 0x83,
163 0xde, 0xd9, 0xd0, 0xd7, 0xc2, 0xc5, 0xcc, 0xcb, 0xe6, 0xe1, 0xe8, 0xef, 0xfa, 0xfd, 0xf4, 0xf3
164 };
165
esp_rom_crc32_le(uint32_t crc,uint8_t const * buf,uint32_t len)166 uint32_t esp_rom_crc32_le(uint32_t crc, uint8_t const * buf,uint32_t len)
167 {
168 uint32_t i;
169 crc = ~crc;
170 for(i=0;i<len;i++){
171 crc = crc32_le_table[(crc^buf[i])&0xff]^(crc>>8);
172 }
173 return ~crc;
174 }
175
esp_rom_crc32_be(uint32_t crc,uint8_t const * buf,uint32_t len)176 uint32_t esp_rom_crc32_be(uint32_t crc, uint8_t const * buf,uint32_t len)
177 {
178 uint32_t i;
179 crc = ~crc;
180 for(i=0;i<len;i++){
181 crc = crc32_be_table[(crc>>24)^buf[i]]^(crc<<8);
182 }
183 return ~crc;
184 }
185
esp_rom_crc16_le(uint16_t crc,uint8_t const * buf,uint32_t len)186 uint16_t esp_rom_crc16_le(uint16_t crc, uint8_t const * buf, uint32_t len)
187 {
188 uint32_t i;
189 crc = ~crc;
190 for(i = 0; i < len; i++)
191 {
192 crc = crc16_le_table[(crc^buf[i])&0xff]^(crc>>8);
193 }
194 return ~crc;
195 }
196
esp_rom_crc16_be(uint16_t crc,uint8_t const * buf,uint32_t len)197 uint16_t esp_rom_crc16_be(uint16_t crc, uint8_t const * buf,uint32_t len)
198 {
199 uint32_t i;
200 crc = ~crc;
201 for(i=0;i<len;i++){
202 crc = crc16_be_table[(crc>>8)^buf[i]]^(crc<<8);
203 }
204 return ~crc;
205 }
206
esp_rom_crc8_le(uint8_t crc,uint8_t const * buf,uint32_t len)207 uint8_t esp_rom_crc8_le(uint8_t crc, uint8_t const * buf, uint32_t len)
208 {
209 uint32_t i;
210 crc = ~crc;
211 for(i = 0; i < len; i++)
212 {
213 crc = crc8_le_table[crc^buf[i]];
214 }
215 return ~crc;
216 }
217
esp_rom_crc8_be(uint8_t crc,uint8_t const * buf,uint32_t len)218 uint8_t esp_rom_crc8_be(uint8_t crc, uint8_t const * buf,uint32_t len)
219 {
220 uint32_t i;
221 crc = ~crc;
222 for(i=0;i<len;i++){
223 crc = crc8_be_table[crc^buf[i]];
224 }
225 return ~crc;
226 }
227
