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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
53d5dc64 15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20#include "cmd.h"
6b23be6b 21#include "apps.h"
22#include "util.h"
23#include "string.h"
6b23be6b 24#include "iso14443crc.h"
39864b0b 25#include "mifaresniff.h"
6b23be6b 26#include "crapto1.h"
27#include "mifareutil.h"
6b23be6b 28#include "parity.h"
bf5d7992 29#include "random.h"
534983d7 30
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31typedef struct {
32 enum {
33 DEMOD_UNSYNCD,
7bc95e2e 34 // DEMOD_HALF_SYNCD,
35 // DEMOD_MOD_FIRST_HALF,
36 // DEMOD_NOMOD_FIRST_HALF,
e691fc45 37 DEMOD_MANCHESTER_DATA
38 } state;
7bc95e2e 39 uint16_t twoBits;
40 uint16_t highCnt;
e691fc45 41 uint16_t bitCount;
42 uint16_t collisionPos;
43 uint16_t syncBit;
6a1f2d82 44 uint8_t parityBits;
45 uint8_t parityLen;
e691fc45 46 uint16_t shiftReg;
47 uint16_t samples;
48 uint16_t len;
7bc95e2e 49 uint32_t startTime, endTime;
e691fc45 50 uint8_t *output;
a501c82b 51 uint8_t *parity;
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52} tDemod;
53
7bc95e2e 54typedef enum {
55 MOD_NOMOD = 0,
56 MOD_SECOND_HALF,
57 MOD_FIRST_HALF,
58 MOD_BOTH_HALVES
59 } Modulation_t;
60
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61typedef struct {
62 enum {
63 STATE_UNSYNCD,
64 STATE_START_OF_COMMUNICATION,
65 STATE_MILLER_X,
66 STATE_MILLER_Y,
67 STATE_MILLER_Z,
7bc95e2e 68 // DROP_NONE,
69 // DROP_FIRST_HALF,
70 } state;
71 uint16_t shiftReg;
0ec548dc 72 int16_t bitCount;
7bc95e2e 73 uint16_t len;
74 uint16_t byteCntMax;
75 uint16_t posCnt;
76 uint16_t syncBit;
6a1f2d82 77 uint8_t parityBits;
78 uint8_t parityLen;
0ec548dc 79 uint32_t fourBits;
7bc95e2e 80 uint32_t startTime, endTime;
81 uint8_t *output;
a501c82b 82 uint8_t *parity;
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83} tUart;
84
0194ce8f 85typedef struct {
86 uint8_t* response;
87 size_t response_n;
88 uint8_t* modulation;
89 size_t modulation_n;
90 uint32_t ProxToAirDuration;
91} tag_response_info_t;
b62a5a84 92
a501c82b 93extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
e691fc45 94extern void AppendCrc14443a(uint8_t *data, int len);
20f9a2a1 95
a501c82b 96extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
97extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
98extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
99extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
20f9a2a1 100
7bc95e2e 101extern void iso14443a_setup(uint8_t fpga_minor_mode);
a501c82b 102extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
c188b1b9 103extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades);
902cb3c0 104extern void iso14a_set_trigger(bool enable);
534983d7 105
0194ce8f 106int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
107int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
108int EmSend4bit(uint8_t resp);
109int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par);
110int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
6b23be6b 111extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
0194ce8f 112int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
113bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity,
114 uint8_t *tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t *tag_Parity);
0f7279b2 115
116
117#ifdef __cplusplus
118}
119#endif
120
534983d7 121#endif /* __ISO14443A_H */
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