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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 | |
53d5dc64 | 15 | |
16 | #ifdef __cplusplus | |
17 | extern "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 | |
b62a5a84 M |
31 | typedef 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; |
b62a5a84 M |
52 | } tDemod; |
53 | ||
7bc95e2e | 54 | typedef enum { |
55 | MOD_NOMOD = 0, | |
56 | MOD_SECOND_HALF, | |
57 | MOD_FIRST_HALF, | |
58 | MOD_BOTH_HALVES | |
59 | } Modulation_t; | |
60 | ||
b62a5a84 M |
61 | typedef 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; |
b62a5a84 M |
83 | } tUart; |
84 | ||
85 | ||
a501c82b | 86 | extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par); |
e691fc45 | 87 | extern void AppendCrc14443a(uint8_t *data, int len); |
20f9a2a1 | 88 | |
a501c82b | 89 | extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing); |
90 | extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing); | |
91 | extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing); | |
92 | extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par); | |
20f9a2a1 | 93 | |
7bc95e2e | 94 | extern void iso14443a_setup(uint8_t fpga_minor_mode); |
a501c82b | 95 | extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data); |
c188b1b9 | 96 | 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 | 97 | extern void iso14a_set_trigger(bool enable); |
534983d7 | 98 | |
00baf270 | 99 | int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen); |
0194ce8f | 100 | int EmSend4bit(uint8_t resp); |
6b23be6b | 101 | extern int EmSendCmd(uint8_t *resp, uint16_t respLen); |
99136c6e | 102 | extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity); |
0194ce8f | 103 | int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par); |
104 | bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity, | |
105 | uint8_t *tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t *tag_Parity); | |
0f7279b2 | 106 | |
107 | ||
108 | #ifdef __cplusplus | |
109 | } | |
110 | #endif | |
111 | ||
534983d7 | 112 | #endif /* __ISO14443A_H */ |