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https://github.com/RfidResearchGroup/proxmark3.git
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6c28395106
CHG: removed no-existing crc8ja code FIX: a check in ASKbiphaseDemod to make sure graphbuff is not empty.
61 lines
3.4 KiB
C
61 lines
3.4 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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size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
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int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
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int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
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uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
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uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
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uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
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int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
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uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
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uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
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int DetectNRZClock(uint8_t dest[], size_t size, int clock);
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int DetectPSKClock(uint8_t dest[], size_t size, int clock);
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int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
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bool DetectST(uint8_t buffer[], size_t *size, int *foundclock);
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int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
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int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
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uint32_t manchesterEncode2Bytes(uint16_t datain);
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int ManchesterEncode(uint8_t *BitStream, size_t size);
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int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert);
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int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
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uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
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uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
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int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
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void psk2TOpsk1(uint8_t *BitStream, size_t size);
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void psk1TOpsk2(uint8_t *BitStream, size_t size);
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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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int AWIDdemodFSK(uint8_t *dest, size_t *size);
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uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
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int FDXBdemodBI(uint8_t *dest, size_t *size);
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int gProxII_Demod(uint8_t BitStream[], size_t *size);
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int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
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int IOdemodFSK(uint8_t *dest, size_t size);
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int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
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int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
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int PyramiddemodFSK(uint8_t *dest, size_t *size);
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int VikingDemod_AM(uint8_t *dest, size_t *size);
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int PrescoDemod(uint8_t *dest, size_t *size);
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int NedapDemod(uint8_t *dest, size_t *size);
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int JablotronDemod(uint8_t *dest, size_t *size);
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#endif
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