version 1.1.2.3, 2014/01/29 14:11:45
|
version 1.6, 2024/10/12 16:08:18
|
Line 12 terms:
|
Line 12 terms:
|
All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
|
|
Copyright 2004 - 2014 | Copyright 2004 - 2024 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
|
|
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 47 SUCH DAMAGE.
|
Line 47 SUCH DAMAGE.
|
|
|
|
|
/* |
/* |
|
* Table of CRC-8's of all single-byte values |
|
*/ |
|
static const uint8_t crc8_table[256] = { |
|
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, |
|
0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D, |
|
0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, |
|
0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D, |
|
0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, |
|
0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD, |
|
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, |
|
0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD, |
|
0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, |
|
0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA, |
|
0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, |
|
0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A, |
|
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, |
|
0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A, |
|
0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, |
|
0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A, |
|
0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, |
|
0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4, |
|
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, |
|
0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4, |
|
0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, |
|
0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44, |
|
0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, |
|
0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34, |
|
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, |
|
0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63, |
|
0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, |
|
0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, |
|
0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, |
|
0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83, |
|
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, |
|
0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3 |
|
}; |
|
|
|
/* |
* Table of CRC-32's of all single-byte values |
* Table of CRC-32's of all single-byte values |
*/ |
*/ |
static const uint32_t crc32_table[256] = { |
static const uint32_t crc32_table[256] = { |
Line 110 static const uint32_t crc32_table[256] = {
|
Line 148 static const uint32_t crc32_table[256] = {
|
#define DO8(crc, buf) DO4(crc, buf); DO4(crc, buf); |
#define DO8(crc, buf) DO4(crc, buf); DO4(crc, buf); |
|
|
/* |
/* |
* crc32() - CRC32 calculation from table | * crc32tbl() - CRC32 calculation from table |
* |
* |
* @crc = Initial crc value |
* @crc = Initial crc value |
* @buf = Data for calculation |
* @buf = Data for calculation |
Line 118 static const uint32_t crc32_table[256] = {
|
Line 156 static const uint32_t crc32_table[256] = {
|
* return: calculated CRC32 |
* return: calculated CRC32 |
*/ |
*/ |
uint32_t |
uint32_t |
crc32(uint32_t crc, const uint8_t * __restrict buf, uint32_t len) | crc32tbl(uint32_t crc, const uint8_t * __restrict buf, uint32_t len) |
{ |
{ |
|
assert(buf); |
|
|
crc = crc ^ 0xffffffff; |
crc = crc ^ 0xffffffff; |
while (len >= 8) { |
while (len >= 8) { |
DO8(crc, buf); |
DO8(crc, buf); |
Line 130 crc32(uint32_t crc, const uint8_t * __restrict buf, ui
|
Line 170 crc32(uint32_t crc, const uint8_t * __restrict buf, ui
|
DO1(crc, buf); |
DO1(crc, buf); |
} while (--len); |
} while (--len); |
return crc ^ 0xffffffff; |
return crc ^ 0xffffffff; |
|
} |
|
|
|
/* |
|
* crc8tbl() - CRC8 calculation from table |
|
* |
|
* @crc = Initial crc value |
|
* @buf = Data for calculation |
|
* @len = Length of data |
|
* return: calculated CRC8 |
|
*/ |
|
uint8_t |
|
crc8tbl(uint8_t crc, const uint8_t * __restrict buf, uint32_t len) |
|
{ |
|
assert(buf); |
|
|
|
while (len--) |
|
crc = crc8_table[(*buf++) ^ crc]; |
|
|
|
return crc; |
|
|
} |
} |