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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" | |
39864b0b | 16 | #include "mifaresniff.h" |
534983d7 | 17 | |
8f51ddb0 M |
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 | |
aea4d766 | 23 | #define CARD_MEMORY_LEN 4096 |
8f51ddb0 | 24 | |
b62a5a84 M |
25 | typedef struct { |
26 | enum { | |
27 | DEMOD_UNSYNCD, | |
7bc95e2e | 28 | // DEMOD_HALF_SYNCD, |
29 | // DEMOD_MOD_FIRST_HALF, | |
30 | // DEMOD_NOMOD_FIRST_HALF, | |
e691fc45 | 31 | DEMOD_MANCHESTER_DATA |
32 | } state; | |
7bc95e2e | 33 | uint16_t twoBits; |
34 | uint16_t highCnt; | |
e691fc45 | 35 | uint16_t bitCount; |
36 | uint16_t collisionPos; | |
37 | uint16_t syncBit; | |
7bc95e2e | 38 | uint32_t parityBits; |
e691fc45 | 39 | uint16_t shiftReg; |
40 | uint16_t samples; | |
41 | uint16_t len; | |
7bc95e2e | 42 | uint32_t startTime, endTime; |
e691fc45 | 43 | uint8_t *output; |
b62a5a84 M |
44 | } tDemod; |
45 | ||
7bc95e2e | 46 | typedef enum { |
47 | MOD_NOMOD = 0, | |
48 | MOD_SECOND_HALF, | |
49 | MOD_FIRST_HALF, | |
50 | MOD_BOTH_HALVES | |
51 | } Modulation_t; | |
52 | ||
b62a5a84 M |
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, | |
7bc95e2e | 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; | |
b62a5a84 M |
74 | } tUart; |
75 | ||
76 | ||
7bc95e2e | 77 | |
20f9a2a1 | 78 | extern byte_t oddparity (const byte_t bt); |
e691fc45 | 79 | extern uint32_t GetParity(const uint8_t *pbtCmd, int iLen); |
80 | extern void AppendCrc14443a(uint8_t *data, int len); | |
20f9a2a1 | 81 | |
e691fc45 | 82 | extern void ReaderTransmit(uint8_t *frame, int len, uint32_t *timing); |
83 | extern void ReaderTransmitBitsPar(uint8_t *frame, int bits, uint32_t par, uint32_t *timing); | |
84 | extern void ReaderTransmitPar(uint8_t *frame, int len, uint32_t par, uint32_t *timing); | |
85 | extern int ReaderReceive(uint8_t *receivedAnswer); | |
86 | extern int ReaderReceivePar(uint8_t *receivedAnswer, uint32_t *parptr); | |
20f9a2a1 | 87 | |
7bc95e2e | 88 | extern void iso14443a_setup(uint8_t fpga_minor_mode); |
e691fc45 | 89 | extern int iso14_apdu(uint8_t *cmd, size_t cmd_len, void *data); |
90 | extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr); | |
902cb3c0 | 91 | extern void iso14a_set_trigger(bool enable); |
b0127e65 | 92 | extern void iso14a_set_timeout(uint32_t timeout); |
534983d7 | 93 | |
902cb3c0 | 94 | extern void iso14a_clear_tracelen(); |
95 | extern void iso14a_set_tracing(bool enable); | |
8556b852 | 96 | |
534983d7 | 97 | #endif /* __ISO14443A_H */ |