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[proxmark3-svn] / armsrc / iso14443a.h
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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//-----------------------------------------------------------------------------
12
534983d7 13#ifndef __ISO14443A_H
14#define __ISO14443A_H
15#include "common.h"
39864b0b 16#include "mifaresniff.h"
534983d7 17
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18typedef struct {
19 enum {
20 DEMOD_UNSYNCD,
7bc95e2e 21 // DEMOD_HALF_SYNCD,
22 // DEMOD_MOD_FIRST_HALF,
23 // DEMOD_NOMOD_FIRST_HALF,
e691fc45 24 DEMOD_MANCHESTER_DATA
25 } state;
7bc95e2e 26 uint16_t twoBits;
27 uint16_t highCnt;
e691fc45 28 uint16_t bitCount;
29 uint16_t collisionPos;
30 uint16_t syncBit;
6a1f2d82 31 uint8_t parityBits;
32 uint8_t parityLen;
e691fc45 33 uint16_t shiftReg;
34 uint16_t samples;
35 uint16_t len;
7bc95e2e 36 uint32_t startTime, endTime;
e691fc45 37 uint8_t *output;
6a1f2d82 38 uint8_t *parity;
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39} tDemod;
40
7bc95e2e 41typedef enum {
42 MOD_NOMOD = 0,
43 MOD_SECOND_HALF,
44 MOD_FIRST_HALF,
45 MOD_BOTH_HALVES
46 } Modulation_t;
47
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48typedef struct {
49 enum {
50 STATE_UNSYNCD,
51 STATE_START_OF_COMMUNICATION,
52 STATE_MILLER_X,
53 STATE_MILLER_Y,
54 STATE_MILLER_Z,
7bc95e2e 55 // DROP_NONE,
56 // DROP_FIRST_HALF,
57 } state;
58 uint16_t shiftReg;
ee1eadee 59 int16_t bitCount;
7bc95e2e 60 uint16_t len;
61 uint16_t byteCntMax;
62 uint16_t posCnt;
63 uint16_t syncBit;
6a1f2d82 64 uint8_t parityBits;
65 uint8_t parityLen;
ef00343c 66 uint32_t fourBits;
7bc95e2e 67 uint32_t startTime, endTime;
68 uint8_t *output;
6a1f2d82 69 uint8_t *parity;
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70} tUart;
71
72
7bc95e2e 73
20f9a2a1 74extern byte_t oddparity (const byte_t bt);
6a1f2d82 75extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
e691fc45 76extern void AppendCrc14443a(uint8_t *data, int len);
20f9a2a1 77
6a1f2d82 78extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
79extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
80extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
81extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
20f9a2a1 82
7bc95e2e 83extern void iso14443a_setup(uint8_t fpga_minor_mode);
6a1f2d82 84extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
e691fc45 85extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);
902cb3c0 86extern void iso14a_set_trigger(bool enable);
534983d7 87
88#endif /* __ISO14443A_H */
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