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Commit	Line	Data
	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	#include "common.h"
	16	#include "mifaresniff.h"
	17
	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
	23	#define CARD_MEMORY_LEN 4096
	24
	25	typedef struct nestedVector { uint32_t nt, ks1; } nestedVector;
	26
	27	typedef struct {
	28	enum {
	29	DEMOD_UNSYNCD,
	30	DEMOD_START_OF_COMMUNICATION,
	31	DEMOD_MANCHESTER_D,
	32	DEMOD_MANCHESTER_E,
	33	DEMOD_MANCHESTER_F,
	34	DEMOD_ERROR_WAIT
	35	} state;
	36	int bitCount;
	37	int posCount;
	38	int syncBit;
	39	int parityBits;
	40	uint16_t shiftReg;
	41	int buffer;
	42	int buff;
	43	int samples;
	44	int len;
	45	enum {
	46	SUB_NONE,
	47	SUB_FIRST_HALF,
	48	SUB_SECOND_HALF
	49	} sub;
	50	uint8_t *output;
	51	} tDemod;
	52
	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,
	60	STATE_ERROR_WAIT
	61	} state;
	62	uint16_t shiftReg;
	63	int bitCnt;
	64	int byteCnt;
	65	int byteCntMax;
	66	int posCnt;
	67	int syncBit;
	68	int parityBits;
	69	int samples;
	70	int highCnt;
	71	int bitBuffer;
	72	enum {
	73	DROP_NONE,
	74	DROP_FIRST_HALF,
	75	DROP_SECOND_HALF
	76	} drop;
	77	uint8_t *output;
	78	} tUart;
	79
	80
	81	extern byte_t oddparity (const byte_t bt);
	82	extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen);
	83	extern void AppendCrc14443a(uint8_t* data, int len);
	84
	85	extern void ReaderTransmitShort(const uint8_t* bt);
	86	extern void ReaderTransmit(uint8_t* frame, int len);
	87	extern void ReaderTransmitPar(uint8_t* frame, int len, uint32_t par);
	88	extern int ReaderReceive(uint8_t* receivedAnswer);
	89	extern int ReaderReceivePar(uint8_t* receivedAnswer, uint32_t * parptr);
	90
	91	extern void iso14443a_setup();
	92	extern int iso14_apdu(uint8_t * cmd, size_t cmd_len, void * data);
	93	extern int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data, uint32_t * cuid_ptr);
	94	extern void iso14a_set_trigger(bool enable);
	95	extern void iso14a_set_timeout(uint32_t timeout);
	96
	97	extern void iso14a_clear_tracelen();
	98	extern void iso14a_set_tracing(bool enable);
	99
	100	#endif /* __ISO14443A_H */