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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
	16	#ifdef __cplusplus
	17	extern "C" {
	18	#endif
	19
	20	#include "cmd.h"
	21	#include "apps.h"
	22	#include "util.h"
	23	#include "string.h"
	24	#include "iso14443crc.h"
	25	#include "mifaresniff.h"
	26	#include "crapto1.h"
	27	#include "mifareutil.h"
	28	#include "parity.h"
	29	#include "random.h"
	30
	31	typedef struct {
	32	enum {
	33	DEMOD_UNSYNCD,
	34	// DEMOD_HALF_SYNCD,
	35	// DEMOD_MOD_FIRST_HALF,
	36	// DEMOD_NOMOD_FIRST_HALF,
	37	DEMOD_MANCHESTER_DATA
	38	} state;
	39	uint16_t twoBits;
	40	uint16_t highCnt;
	41	uint16_t bitCount;
	42	uint16_t collisionPos;
	43	uint16_t syncBit;
	44	uint8_t parityBits;
	45	uint8_t parityLen;
	46	uint16_t shiftReg;
	47	uint16_t samples;
	48	uint16_t len;
	49	uint32_t startTime, endTime;
	50	uint8_t *output;
	51	uint8_t *parity;
	52	} tDemod;
	53
	54	typedef enum {
	55	MOD_NOMOD = 0,
	56	MOD_SECOND_HALF,
	57	MOD_FIRST_HALF,
	58	MOD_BOTH_HALVES
	59	} Modulation_t;
	60
	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,
	68	// DROP_NONE,
	69	// DROP_FIRST_HALF,
	70	} state;
	71	uint16_t shiftReg;
	72	int16_t bitCount;
	73	uint16_t len;
	74	uint16_t byteCntMax;
	75	uint16_t posCnt;
	76	uint16_t syncBit;
	77	uint8_t parityBits;
	78	uint8_t parityLen;
	79	uint32_t fourBits;
	80	uint32_t startTime, endTime;
	81	uint8_t *output;
	82	uint8_t *parity;
	83	} tUart;
	84
	85	typedef struct {
	86	uint8_t* response;
	87	size_t response_n;
	88	uint8_t* modulation;
	89	size_t modulation_n;
	90	uint32_t ProxToAirDuration;
	91	} tag_response_info_t;
	92
	93	extern void GetParity(const uint8_t pbtCmd, uint16_t len, uint8_t par);
	94	extern void AppendCrc14443a(uint8_t *data, int len);
	95
	96	extern void ReaderTransmit(uint8_t frame, uint16_t len, uint32_t timing);
	97	extern void ReaderTransmitBitsPar(uint8_t frame, uint16_t bits, uint8_t par, uint32_t *timing);
	98	extern void ReaderTransmitPar(uint8_t frame, uint16_t len, uint8_t par, uint32_t *timing);
	99	extern int ReaderReceive(uint8_t receivedAnswer, uint8_t par);
	100
	101	extern void iso14443a_setup(uint8_t fpga_minor_mode);
	102	extern int iso14_apdu(uint8_t cmd, uint16_t cmd_len, void data);
	103	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);
	104	extern void iso14a_set_trigger(bool enable);
	105
	106	int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
	107	int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
	108	int EmSend4bit(uint8_t resp);
	109	int EmSendCmdExPar(uint8_t resp, uint16_t respLen, bool correctionNeeded, uint8_t par);
	110	int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
	111	extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
	112	int EmSendCmdPar(uint8_t resp, uint16_t respLen, uint8_t par);
	113	bool EmLogTrace(uint8_t reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t reader_Parity,
	114	uint8_t tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t tag_Parity);
	115
	116
	117	#ifdef __cplusplus
	118	}
	119	#endif
	120
	121	#endif /* __ISO14443A_H */