mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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bd4d1ec74e
fix: 'lf awid sim' - Clk param is used CorreCt fix: 'lf HID sim' - unified way logging fix: 'lf indala sim' - adding a draft simulation Command fix: 'lf io sim' - unified way logging fix: 'lf nedap sim' - getting bits is wrong still.. fix: 'lf paradox sim' - Helptext lfdemod.C got some reworked loops, still some debug messages to be ...
62 lines
4 KiB
C
62 lines
4 KiB
C
// Copyright (C) 2014
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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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// Low frequency demod related commands
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// marshmellow
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// note that many of these demods are not the slickest code and they often rely
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// on peaks and clock instead of converting to clean signal.
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//
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//-----------------------------------------------------------------------------
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#ifndef LFDEMOD_H__
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#define LFDEMOD_H__
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#include <stdint.h> // for uint_32+
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#include <stdbool.h> // for bool
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#include <string.h> // for strcmp
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#include <stdlib.h> // for
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#include <stdbool.h> // for bool
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#include "parity.h" // for parity test
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//generic
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extern uint8_t justNoise(uint8_t *bits, size_t size);
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extern size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
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extern int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
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extern int askdemod_ext(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType, int *startIdx);
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extern void askAmp(uint8_t *BitStream, size_t size);
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extern int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int *offset, int invert);
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extern uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
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extern uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
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extern uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
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extern int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
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extern uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
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extern uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
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extern int DetectNRZClock(uint8_t dest[], size_t size, int clock, size_t *clockStartIdx);
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extern int DetectPSKClock(uint8_t dest[], size_t size, int clock, size_t *firstPhaseShift, uint8_t *curPhase, uint8_t *fc);
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extern int DetectStrongAskClock(uint8_t dest[], size_t size, int high, int low, int *clock);
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extern bool DetectST(uint8_t buffer[], size_t *size, int *foundclock, size_t *ststart, size_t *stend);
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extern size_t fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
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extern int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
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extern uint32_t manchesterEncode2Bytes(uint16_t datain);
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extern int ManchesterEncode(uint8_t *BitStream, size_t size);
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extern int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert, uint8_t *alignPos);
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extern int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int *startIdx);
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extern bool parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
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extern bool preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
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extern bool preambleSearchEx(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx, bool findone);
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extern int pskRawDemod(uint8_t *dest, size_t *size, int *clock, int *invert);
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extern int pskRawDemod_ext(uint8_t *dest, size_t *size, int *clock, int *invert, int *startIdx);
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extern void psk2TOpsk1(uint8_t *BitStream, size_t size);
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extern void psk1TOpsk2(uint8_t *BitStream, size_t size);
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extern size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
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//tag specific
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extern int detectAWID(uint8_t *dest, size_t *size, int *waveStartIdx);
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extern int Em410xDecode(uint8_t *dest, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
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extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
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extern int detectIdteck(uint8_t *dest, size_t *size);
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extern int detectIOProx(uint8_t *dest, size_t *size, int *waveStartIdx);
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#endif
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