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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 | |
7838f4be | 15 | #include "common.h" |
16 | #include "mifare.h" | |
39864b0b | 17 | #include "mifaresniff.h" |
534983d7 | 18 | |
b62a5a84 M |
19 | typedef struct { |
20 | enum { | |
21 | DEMOD_UNSYNCD, | |
7bc95e2e | 22 | // DEMOD_HALF_SYNCD, |
23 | // DEMOD_MOD_FIRST_HALF, | |
24 | // DEMOD_NOMOD_FIRST_HALF, | |
e691fc45 | 25 | DEMOD_MANCHESTER_DATA |
26 | } state; | |
7bc95e2e | 27 | uint16_t twoBits; |
28 | uint16_t highCnt; | |
e691fc45 | 29 | uint16_t bitCount; |
30 | uint16_t collisionPos; | |
31 | uint16_t syncBit; | |
6a1f2d82 | 32 | uint8_t parityBits; |
33 | uint8_t parityLen; | |
e691fc45 | 34 | uint16_t shiftReg; |
35 | uint16_t samples; | |
36 | uint16_t len; | |
7bc95e2e | 37 | uint32_t startTime, endTime; |
e691fc45 | 38 | uint8_t *output; |
a501c82b | 39 | uint8_t *parity; |
b62a5a84 M |
40 | } tDemod; |
41 | ||
7bc95e2e | 42 | typedef enum { |
43 | MOD_NOMOD = 0, | |
44 | MOD_SECOND_HALF, | |
45 | MOD_FIRST_HALF, | |
46 | MOD_BOTH_HALVES | |
47 | } Modulation_t; | |
48 | ||
b62a5a84 M |
49 | typedef struct { |
50 | enum { | |
51 | STATE_UNSYNCD, | |
52 | STATE_START_OF_COMMUNICATION, | |
53 | STATE_MILLER_X, | |
54 | STATE_MILLER_Y, | |
55 | STATE_MILLER_Z, | |
7bc95e2e | 56 | // DROP_NONE, |
57 | // DROP_FIRST_HALF, | |
58 | } state; | |
59 | uint16_t shiftReg; | |
0ec548dc | 60 | int16_t bitCount; |
7bc95e2e | 61 | uint16_t len; |
62 | uint16_t byteCntMax; | |
63 | uint16_t posCnt; | |
64 | uint16_t syncBit; | |
6a1f2d82 | 65 | uint8_t parityBits; |
66 | uint8_t parityLen; | |
0ec548dc | 67 | uint32_t fourBits; |
7bc95e2e | 68 | uint32_t startTime, endTime; |
69 | uint8_t *output; | |
a501c82b | 70 | uint8_t *parity; |
b62a5a84 M |
71 | } tUart; |
72 | ||
73 | ||
7bc95e2e | 74 | |
a501c82b | 75 | extern byte_t oddparity (const byte_t bt); |
76 | extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par); | |
e691fc45 | 77 | extern void AppendCrc14443a(uint8_t *data, int len); |
20f9a2a1 | 78 | |
a501c82b | 79 | extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing); |
80 | extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing); | |
81 | extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing); | |
82 | extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par); | |
20f9a2a1 | 83 | |
7bc95e2e | 84 | extern void iso14443a_setup(uint8_t fpga_minor_mode); |
a501c82b | 85 | extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data); |
c188b1b9 | 86 | extern 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 | 87 | extern void iso14a_set_trigger(bool enable); |
534983d7 | 88 | |
89 | #endif /* __ISO14443A_H */ |