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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
13 #ifndef __ISO14443A_H
14 #define __ISO14443A_H
15
16 #include <stdint.h>
17 #include <stdbool.h>
18 #include "usb_cmd.h"
19 #include "mifare.h"
20
21 typedef struct {
22 uint8_t* response;
23 uint8_t* modulation;
24 uint16_t response_n;
25 uint16_t modulation_n;
26 uint32_t ProxToAirDuration;
27 uint8_t par; // enough for precalculated parity of 8 Byte responses
28 } tag_response_info_t;
29
30 extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
31 extern void AppendCrc14443a(uint8_t *data, int len);
32
33 extern void RAMFUNC SnoopIso14443a(uint8_t param);
34 extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data);
35 extern void ReaderIso14443a(UsbCommand *c);
36 extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
37 extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
38 extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
39 extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
40 extern void ReaderMifare(bool first_try);
41
42 extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);
43 extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
44 extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen);
45 extern int EmSend4bit(uint8_t resp);
46 extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
47 extern int EmSendPrecompiledCmd(tag_response_info_t *response_info);
48
49 extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size);
50
51 extern void iso14443a_setup(uint8_t fpga_minor_mode);
52 extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
53 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, bool no_rats);
54 extern void iso14a_set_trigger(bool enable);
55 extern void iso14a_set_timeout(uint32_t timeout);
56 #endif /* __ISO14443A_H */
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