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small improvements, added new command hf mf sniff (there will be cool sniffer). But now... here is optimized hf 14a snoop. As I see it works the same as th old version.

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This commit is contained in:
Merlokbr@gmail.com 2012-07-06 16:19:05 +00:00
commit b62a5a8444
12 changed files with 255 additions and 60 deletions
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54
armsrc/iso14443a.h
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@ -23,6 +23,60 @@
typedef struct nestedVector { uint32_t nt, ks1; } nestedVector;
typedef struct {
enum {
DEMOD_UNSYNCD,
DEMOD_START_OF_COMMUNICATION,
DEMOD_MANCHESTER_D,
DEMOD_MANCHESTER_E,
DEMOD_MANCHESTER_F,
DEMOD_ERROR_WAIT
} state;
int bitCount;
int posCount;
int syncBit;
int parityBits;
uint16_t shiftReg;
int buffer;
int buff;
int samples;
int len;
enum {
SUB_NONE,
SUB_FIRST_HALF,
SUB_SECOND_HALF
} sub;
uint8_t *output;
} tDemod;
typedef struct {
enum {
STATE_UNSYNCD,
STATE_START_OF_COMMUNICATION,
STATE_MILLER_X,
STATE_MILLER_Y,
STATE_MILLER_Z,
STATE_ERROR_WAIT
} state;
uint16_t shiftReg;
int bitCnt;
int byteCnt;
int byteCntMax;
int posCnt;
int syncBit;
int parityBits;
int samples;
int highCnt;
int bitBuffer;
enum {
DROP_NONE,
DROP_FIRST_HALF,
DROP_SECOND_HALF
} drop;
uint8_t *output;
} tUart;
extern byte_t oddparity (const byte_t bt);
extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen);
extern void AppendCrc14443a(uint8_t* data, int len);