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mad and ndef compiles

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This commit is contained in:
merlokk 2019-03-14 16:23:27 +02:00
commit 4caa2ba610
3 changed files with 15 additions and 0 deletions
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2
client/Makefile
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@ -143,6 +143,8 @@ CMDSRCS = $(SRC_SMARTCARD) \
whereami.c\
mifare/mifarehost.c\
mifare/mifare4.c\
mifare/mad.c \
mifare/ndef.c \
parity.c\
crc.c \
crc16.c \

9
common/crc.c
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@ -54,3 +54,12 @@ uint32_t CRC8Maxim(uint8_t *buff, size_t size)
}
return crc_finish(&crc);
}
// 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(&crc, 8, 0x1d, 0xc7, 0);
for (int i = 0; i < size; ++i)
crc_update(&crc, buff[i], 8);
return crc_finish(&crc);
}

4
common/crc.h
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@ -39,6 +39,10 @@ extern uint32_t crc_finish(crc_t *crc);
// Calculate CRC-8/Maxim checksum
uint32_t CRC8Maxim(uint8_t *buff, size_t size );
// Calculate CRC-8 Mifare MAD checksum
uint32_t CRC8Mad(uint8_t *buff, size_t size);
/* Static initialization of a crc structure */
#define CRC_INITIALIZER(_order, _polynom, _initial_value, _final_xor) { \
.state = ((_initial_value) & ((1L<<(_order))-1)), \