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This commit is contained in:
Philippe Teuwen 2019-04-06 21:46:00 +02:00
commit 51d6fa13eb
32 changed files with 69 additions and 69 deletions
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6
common/crc.c
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@ -107,12 +107,12 @@ uint32_t CRC8Mad(uint8_t *buff, size_t size) {
return crc_finish(&crc);
}
// width=4 poly=0xC, reversed poly=0x7 init=0x5 refin=true refout=true xorout=0x0000 check= name="CRC-4/LEGIC"
uint32_t CRC4Legic(uint8_t *cmd, size_t size) {
uint32_t CRC4Legic(uint8_t *buff, size_t size) {
crc_t crc;
crc_init_ref(&crc, 4, 0x19 >> 1, 0x5, 0, true, true);
crc_update2(&crc, 1, 1); /* CMD_READ */
crc_update2(&crc, cmd[0], 8);
crc_update2(&crc, cmd[1], 8);
crc_update2(&crc, buff[0], 8);
crc_update2(&crc, buff[1], 8);
return reflect(crc_finish(&crc), 4);
}
// width=8 poly=0x63, reversed poly=0x8D init=0x55 refin=true refout=true xorout=0x0000 check=0xC6 name="CRC-8/LEGIC"