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mad comment fix

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merlokk
2019-02-22 16:58:49 +02:00
parent 0632918a47
commit c5a1b06f25
1 changed files with 1 additions and 3 deletions
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4
common/crc.c
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@@ -99,9 +99,7 @@ uint32_t CRC8Maxim(uint8_t *buff, size_t size) {
crc_update2(&crc, buff[i], 8);
return crc_finish(&crc);
}
// width=8 poly=0x1d, init=0xc7 (0xe3 - WRONG! but it mentioned in MAD datasheet) refin=true refout=true xorout=0x00 name="CRC-8/MAD"
// the CRC needs to be reversed before returned.
// init c7, poly 1d, final 0x00.
// width=8 poly=0x1d, init=0xc7 (0xe3 - WRONG! but it mentioned in MAD datasheet) refin=false refout=false xorout=0x00 name="CRC-8/MIFARE-MAD"
uint32_t CRC8Mad(uint8_t *buff, size_t size) {
crc_t crc;
crc_init_ref(&crc, 8, 0x1d, 0xc7, 0, false, false);