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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 //-----------------------------------------------------------------------------

13 #ifndef __ISO14443A_H

14 #define __ISO14443A_H

16 #include <stdint.h>

17 #include <stdbool.h>

18 #include "usb_cmd.h"

19 #include "mifare.h"

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;

 extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);

 extern void AppendCrc14443a(uint8_t *data, int len);

 extern void RAMFUNC SnoopIso14443a(uint8_t param);

 extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data);

 extern void ReaderIso14443a(UsbCommand *c);

 extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);

 extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);

 extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);

 extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);

 extern void ReaderMifare(bool first_try);

 extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);

 extern int EmSendCmd(uint8_t *resp, uint16_t respLen);

 extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen);

 extern int EmSend4bit(uint8_t resp);

 extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);

 extern int EmSendPrecompiledCmd(tag_response_info_t *response_info);

 extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size);

 extern void iso14443a_setup(uint8_t fpga_minor_mode);

 extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);

 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);

 extern void iso14a_set_trigger(bool enable);

 extern void iso14a_set_timeout(uint32_t timeout);

56 #endif /* __ISO14443A_H */