git.zerfleddert.de Git - proxmark3-svn/blob

1 //-----------------------------------------------------------------------------

2 // Merlok - June 2011

3 // Gerhard de Koning Gans - May 2008

4 // Hagen Fritsch - June 2010

5 //

6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,

7 // at your option, any later version. See the LICENSE.txt file for the text of

8 // the license.

9 //-----------------------------------------------------------------------------

10 // Routines to support ISO 14443 type A.

11 //-----------------------------------------------------------------------------

13 #ifndef __ISO14443A_H

14 #define __ISO14443A_H

15 #include "common.h"

16 #include "mifaresniff.h"

18 // mifare reader over DMA buffer (SnoopIso14443a())!!!

19 #define MIFARE_BUFF_OFFSET 3560 // \/ \/ \/

20 // card emulator memory

21 #define EML_RESPONSES 4000

22 #define CARD_MEMORY 6000

23 #define CARD_MEMORY_LEN 4096

25 typedef struct {

26 enum {

27 DEMOD_UNSYNCD,

28 // DEMOD_HALF_SYNCD,

29 // DEMOD_MOD_FIRST_HALF,

30 // DEMOD_NOMOD_FIRST_HALF,

31 DEMOD_MANCHESTER_DATA

32 } state;

33 uint16_t twoBits;

34 uint16_t highCnt;

35 uint16_t bitCount;

36 uint16_t collisionPos;

37 uint16_t syncBit;

38 uint32_t parityBits;

39 uint16_t shiftReg;

40 uint16_t samples;

41 uint16_t len;

42 uint32_t startTime, endTime;

43 uint8_t *output;

44 } tDemod;

46 typedef enum {

47 MOD_NOMOD = 0,

48 MOD_SECOND_HALF,

49 MOD_FIRST_HALF,

50 MOD_BOTH_HALVES

51 } Modulation_t;

53 typedef struct {

54 enum {

55 STATE_UNSYNCD,

56 STATE_START_OF_COMMUNICATION,

57 STATE_MILLER_X,

58 STATE_MILLER_Y,

59 STATE_MILLER_Z,

60 // DROP_NONE,

61 // DROP_FIRST_HALF,

62 } state;

63 uint16_t shiftReg;

64 uint16_t bitCount;

65 uint16_t len;

66 uint16_t byteCntMax;

67 uint16_t posCnt;

68 uint16_t syncBit;

69 uint32_t parityBits;

70 uint16_t highCnt;

71 uint16_t twoBits;

72 uint32_t startTime, endTime;

73 uint8_t *output;

74 } 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);

 extern void ReaderTransmit(uint8_t *frame, int len, uint32_t *timing);

 extern void ReaderTransmitBitsPar(uint8_t *frame, int bits, uint32_t par, uint32_t *timing);

 extern void ReaderTransmitPar(uint8_t *frame, int len, uint32_t par, uint32_t *timing);

 extern int ReaderReceive(uint8_t *receivedAnswer);

 extern int ReaderReceivePar(uint8_t *receivedAnswer, uint32_t *parptr);

 extern void iso14443a_setup(uint8_t fpga_minor_mode);

 extern int iso14_apdu(uint8_t *cmd, size_t cmd_len, void *data);

 extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);

 extern void iso14a_set_trigger(bool enable);

 extern void iso14a_set_timeout(uint32_t timeout);

94 extern void iso14a_clear_tracelen();

 extern void iso14a_set_tracing(bool enable);

97 #endif /* __ISO14443A_H */