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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
	17	// mifare reader over DMA buffer (SnoopIso14443a())!!!
	18	#define MIFARE_BUFF_OFFSET 3560 // \/ \/ \/
	19	// card emulator memory
	20	#define EML_RESPONSES 4000
	21	#define CARD_MEMORY 6000
	22	#define CARD_MEMORY_LEN 4096
	23
	24	typedef struct nestedVector { uint32_t nt, ks1; } nestedVector;
	25
	26	typedef struct {
	27	enum {
	28	DEMOD_UNSYNCD,
	29	DEMOD_START_OF_COMMUNICATION,
	30	DEMOD_MANCHESTER_D,
	31	DEMOD_MANCHESTER_E,
	32	DEMOD_MANCHESTER_F,
	33	DEMOD_ERROR_WAIT
	34	} state;
	35	int bitCount;
	36	int posCount;
	37	int syncBit;
	38	int parityBits;
	39	uint16_t shiftReg;
	40	int buffer;
	41	int buff;
	42	int samples;
	43	int len;
	44	enum {
	45	SUB_NONE,
	46	SUB_FIRST_HALF,
	47	SUB_SECOND_HALF
	48	} sub;
	49	uint8_t *output;
	50	} tDemod;
	51
	52	typedef struct {
	53	enum {
	54	STATE_UNSYNCD,
	55	STATE_START_OF_COMMUNICATION,
	56	STATE_MILLER_X,
	57	STATE_MILLER_Y,
	58	STATE_MILLER_Z,
	59	STATE_ERROR_WAIT
	60	} state;
	61	uint16_t shiftReg;
	62	int bitCnt;
	63	int byteCnt;
	64	int byteCntMax;
	65	int posCnt;
	66	int syncBit;
	67	int parityBits;
	68	int samples;
	69	int highCnt;
	70	int bitBuffer;
	71	enum {
	72	DROP_NONE,
	73	DROP_FIRST_HALF,
	74	DROP_SECOND_HALF
	75	} drop;
	76	uint8_t *output;
	77	} tUart;
	78
	79
	80	extern byte_t oddparity (const byte_t bt);
	81	extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen);
	82	extern void AppendCrc14443a(uint8_t* data, int len);
	83
	84	extern void ReaderTransmitShort(const uint8_t* bt);
	85	extern void ReaderTransmit(uint8_t* frame, int len);
	86	extern void ReaderTransmitPar(uint8_t* frame, int len, uint32_t par);
	87	extern int ReaderReceive(uint8_t* receivedAnswer);
	88	extern int ReaderReceivePar(uint8_t* receivedAnswer, uint32_t * parptr);
	89
	90	extern void iso14443a_setup();
	91	extern int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data, uint32_t * cuid_ptr);
	92	extern void iso14a_set_trigger(int enable);
	93
	94	extern void iso14a_clear_tracelen(void);
	95	extern void iso14a_set_tracing(int enable);
	96
	97	#endif /* __ISO14443A_H */