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https://github.com/Proxmark/proxmark3.git
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1dae9811f2
.. data for both format types (64 bit and 224 bit) also adjust 224 bit demod and clone to output and input in PSK2 instead of PSK1 as this appears to be most common for this format.
66 lines
4.4 KiB
C
66 lines
4.4 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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//generic
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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 int 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 uint8_t 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 AWIDdemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
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extern uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
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extern int FDXBdemodBI(uint8_t *dest, size_t *size);
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extern int gProxII_Demod(uint8_t BitStream[], size_t *size);
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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 IOdemodFSK(uint8_t *dest, size_t size, int *waveStartIdx);
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extern int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
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extern int indala224decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
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extern int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
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extern int PrescoDemod(uint8_t *dest, size_t *size);
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extern int PyramiddemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
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extern int VikingDemod_AM(uint8_t *dest, size_t *size);
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extern int Visa2kDemod_AM(uint8_t *dest, size_t *size);
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#endif
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