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f397b5cc M |
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" | |
16 | ||
8f51ddb0 M |
17 | // mifare reader over DMA buffer (SnoopIso14443a())!!! |
18 | #define MIFARE_BUFF_OFFSET 3560 // \/ \/ \/ | |
19 | // card emulator memory | |
20 | #define EML_RESPONSES 4000 | |
21 | #define CARD_MEMORY 6000 | |
aea4d766 | 22 | #define CARD_MEMORY_LEN 4096 |
8f51ddb0 | 23 | |
f89c7050 M |
24 | typedef struct nestedVector { uint32_t nt, ks1; } nestedVector; |
25 | ||
b62a5a84 M |
26 | typedef struct { |
27 | enum { | |
28 | DEMOD_UNSYNCD, | |
29 | DEMOD_START_OF_COMMUNICATION, | |
30 | DEMOD_MANCHESTER_D, | |
31 | DEMOD_MANCHESTER_E, | |
32 | DEMOD_MANCHESTER_F, | |
33 | DEMOD_ERROR_WAIT | |
34 | } state; | |
35 | int bitCount; | |
36 | int posCount; | |
37 | int syncBit; | |
38 | int parityBits; | |
39 | uint16_t shiftReg; | |
40 | int buffer; | |
41 | int buff; | |
42 | int samples; | |
43 | int len; | |
44 | enum { | |
45 | SUB_NONE, | |
46 | SUB_FIRST_HALF, | |
47 | SUB_SECOND_HALF | |
48 | } sub; | |
49 | uint8_t *output; | |
50 | } tDemod; | |
51 | ||
52 | typedef struct { | |
53 | enum { | |
54 | STATE_UNSYNCD, | |
55 | STATE_START_OF_COMMUNICATION, | |
56 | STATE_MILLER_X, | |
57 | STATE_MILLER_Y, | |
58 | STATE_MILLER_Z, | |
59 | STATE_ERROR_WAIT | |
60 | } state; | |
61 | uint16_t shiftReg; | |
62 | int bitCnt; | |
63 | int byteCnt; | |
64 | int byteCntMax; | |
65 | int posCnt; | |
66 | int syncBit; | |
67 | int parityBits; | |
68 | int samples; | |
69 | int highCnt; | |
70 | int bitBuffer; | |
71 | enum { | |
72 | DROP_NONE, | |
73 | DROP_FIRST_HALF, | |
74 | DROP_SECOND_HALF | |
75 | } drop; | |
76 | uint8_t *output; | |
77 | } tUart; | |
78 | ||
79 | ||
20f9a2a1 M |
80 | extern byte_t oddparity (const byte_t bt); |
81 | extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen); | |
534983d7 | 82 | extern void AppendCrc14443a(uint8_t* data, int len); |
20f9a2a1 | 83 | |
534983d7 | 84 | extern void ReaderTransmitShort(const uint8_t* bt); |
85 | extern void ReaderTransmit(uint8_t* frame, int len); | |
20f9a2a1 | 86 | extern void ReaderTransmitPar(uint8_t* frame, int len, uint32_t par); |
534983d7 | 87 | extern int ReaderReceive(uint8_t* receivedAnswer); |
f89c7050 | 88 | extern int ReaderReceivePar(uint8_t* receivedAnswer, uint32_t * parptr); |
20f9a2a1 | 89 | |
534983d7 | 90 | extern void iso14443a_setup(); |
20f9a2a1 | 91 | extern int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data, uint32_t * cuid_ptr); |
534983d7 | 92 | extern void iso14a_set_trigger(int enable); |
93 | ||
8556b852 M |
94 | extern void iso14a_clear_tracelen(void); |
95 | extern void iso14a_set_tracing(int enable); | |
96 | extern int LogTrace(const uint8_t * btBytes, int iLen, int iSamples, uint32_t dwParity, int bReader); | |
97 | ||
534983d7 | 98 | #endif /* __ISO14443A_H */ |