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e691fc45bc
- implemented ISO 14443A anticollision loop See http://www.proxmark.org/forum/viewtopic.php?id=1797 further details
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
//-----------------------------------------------------------------------------
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// Merlok - June 2011
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// Gerhard de Koning Gans - May 2008
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// Hagen Fritsch - June 2010
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Routines to support ISO 14443 type A.
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//-----------------------------------------------------------------------------
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#ifndef __ISO14443A_H
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#define __ISO14443A_H
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#include "common.h"
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#include "mifaresniff.h"
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// mifare reader over DMA buffer (SnoopIso14443a())!!!
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#define MIFARE_BUFF_OFFSET 3560 // \/ \/ \/
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// card emulator memory
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#define EML_RESPONSES 4000
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#define CARD_MEMORY 6000
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#define CARD_MEMORY_LEN 4096
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typedef struct {
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enum {
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DEMOD_UNSYNCD,
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DEMOD_HALF_SYNCD,
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DEMOD_MOD_FIRST_HALF,
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DEMOD_NOMOD_FIRST_HALF,
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DEMOD_MANCHESTER_DATA
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} state;
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uint16_t bitCount;
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uint16_t collisionPos;
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uint16_t syncBit;
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uint16_t parityBits;
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uint16_t shiftReg;
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uint16_t samples;
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uint16_t len;
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uint8_t *output;
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} tDemod;
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typedef struct {
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enum {
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STATE_UNSYNCD,
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STATE_START_OF_COMMUNICATION,
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STATE_MILLER_X,
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STATE_MILLER_Y,
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STATE_MILLER_Z,
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STATE_ERROR_WAIT
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} state;
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uint16_t shiftReg;
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int bitCnt;
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int byteCnt;
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int byteCntMax;
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int posCnt;
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int syncBit;
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int parityBits;
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int samples;
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int highCnt;
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int bitBuffer;
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enum {
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DROP_NONE,
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DROP_FIRST_HALF,
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DROP_SECOND_HALF
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} drop;
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uint8_t *output;
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} tUart;
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extern byte_t oddparity (const byte_t bt);
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extern uint32_t GetParity(const uint8_t *pbtCmd, int iLen);
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extern void AppendCrc14443a(uint8_t *data, int len);
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extern void ReaderTransmit(uint8_t *frame, int len, uint32_t *timing);
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extern void ReaderTransmitBitsPar(uint8_t *frame, int bits, uint32_t par, uint32_t *timing);
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extern void ReaderTransmitPar(uint8_t *frame, int len, uint32_t par, uint32_t *timing);
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extern int ReaderReceive(uint8_t *receivedAnswer);
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extern int ReaderReceivePar(uint8_t *receivedAnswer, uint32_t *parptr);
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extern void iso14443a_setup();
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extern int iso14_apdu(uint8_t *cmd, size_t cmd_len, void *data);
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extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);
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extern void iso14a_set_trigger(bool enable);
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extern void iso14a_set_timeout(uint32_t timeout);
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extern void iso14a_clear_tracelen();
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extern void iso14a_set_tracing(bool enable);
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#endif /* __ISO14443A_H */
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