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ADD: 'hf felica reader' - added pm3 as FeliCa reader

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ADD:  raw commands -  added the basis for sending RAW commands to FeliCa.
CHG: CRC16 rework,  uses table based implementation.  This will change more functions as I go on.
This commit is contained in:
iceman1001 2018-01-29 13:42:02 +01:00
commit c04ac4f9ac
13 changed files with 682 additions and 454 deletions
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36
common/crc.c
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@ -125,38 +125,4 @@ uint32_t CRC8Legic(uint8_t *buff, size_t size) {
for ( int i = 0; i < size; ++i)
crc_update2(&crc, buff[i], 8);
return reflect8(crc_finish(&crc));
}
// This CRC-16 is used in Legic Advant systems.
// poly=0xB400, reversed poly=0x init=depends refin=true refout=true xorout=0x0000 check= name="CRC-16/LEGIC"
uint32_t CRC16Legic(uint8_t *buff, size_t size, uint8_t uidcrc) {
#define CRC16_POLY_LEGIC 0xB400
uint16_t initial = reflect(uidcrc, 8);
//uint16_t initial = uidcrc;
initial |= initial << 8;
crc_t crc;
crc_init_ref(&crc, 16, CRC16_POLY_LEGIC, initial, 0, true, true);
for ( int i=0; i < size; ++i)
crc_update(&crc, buff[i], 8);
return reflect16(crc_finish(&crc));
}
// poly=0x3d65 init=0x0000 refin=true refout=true xorout=0xffff check=0xea82 name="CRC-16/DNP"
uint32_t CRC16_DNP(uint8_t *buff, size_t size) {
crc_t crc;
crc_init_ref(&crc, 16, 0x3d65, 0, 0xffff, true, true);
for ( int i=0; i < size; ++i)
crc_update2(&crc, buff[i], 8);
return BSWAP_16(crc_finish(&crc));
}
// poly=0x1021 init=0x1d0f refin=false refout=false xorout=0x0000 check=0xe5cc name="CRC-16/AUG-CCITT"
uint32_t CRC16_CCITT(uint8_t *buff, size_t size) {
crc_t crc;
crc_init(&crc, 16, 0x1021, 0x1d0f, 0);
for ( int i=0; i < size; ++i)
crc_update(&crc, buff[i], 8);
return crc_finish(&crc);
}
}