-// Copyright (C) 2014
+// Copyright (C) 2014
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
-// Low frequency commands
+// Low frequency demod related commands
+// marshmellow
+// note that many of these demods are not the slickest code and they often rely
+// on peaks and clock instead of converting to clean signal.
+//
//-----------------------------------------------------------------------------
#ifndef LFDEMOD_H__
#define LFDEMOD_H__
-#include <stdint.h>
+#include <stdint.h> // for uint_32+
+#include <stdbool.h> // for bool
-int DetectASKClock(uint8_t dest[], size_t size, int clock);
-int askmandemod(uint8_t *BinStream,int *BitLen,int *clk, int *invert);
-uint64_t Em410xDecode(uint8_t *BitStream,int BitLen);
-int manrawdecode(uint8_t *BitStream, int *bitLen);
-int BiphaseRawDecode(uint8_t * BitStream, int *bitLen, int offset);
-int askrawdemod(uint8_t *BinStream, int *bitLen,int *clk, int *invert);
-int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
-int IOdemodFSK(uint8_t *dest, size_t size);
-int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
-uint32_t bytebits_to_byte(uint8_t* src, int numbits);
-int pskNRZrawDemod(uint8_t *dest, int *bitLen, int *clk, int *invert);
-int DetectpskNRZClock(uint8_t dest[], size_t size, int clock);
-int indala26decode(uint8_t *bitStream, int *bitLen, uint8_t *invert);
-void pskCleanWave(uint8_t *bitStream, int bitLen);
+//generic
+extern size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
+extern int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
+extern int askdemod_ext(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType, int *startIdx);
+extern void askAmp(uint8_t *BitStream, size_t size);
+extern int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int *offset, int invert);
+extern uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
+extern uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
+extern uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
+extern int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
+extern uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+extern uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
+extern int DetectNRZClock(uint8_t dest[], size_t size, int clock, size_t *clockStartIdx);
+extern int DetectPSKClock(uint8_t dest[], size_t size, int clock, size_t *firstPhaseShift, uint8_t *curPhase, uint8_t *fc);
+extern int DetectStrongAskClock(uint8_t dest[], size_t size, int high, int low, int *clock);
+extern bool DetectST(uint8_t buffer[], size_t *size, int *foundclock, size_t *ststart, size_t *stend);
+extern int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
+extern int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
+extern uint32_t manchesterEncode2Bytes(uint16_t datain);
+extern int ManchesterEncode(uint8_t *BitStream, size_t size);
+extern int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert, uint8_t *alignPos);
+extern int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int *startIdx);
+extern bool parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
+extern uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
+extern bool preambleSearchEx(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx, bool findone);
+extern int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
+extern int pskRawDemod_ext(uint8_t dest[], size_t *size, int *clock, int *invert, int *startIdx);
+extern void psk2TOpsk1(uint8_t *BitStream, size_t size);
+extern void psk1TOpsk2(uint8_t *BitStream, size_t size);
+extern size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
+
+//tag specific
+extern int AWIDdemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
+extern uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
+extern int FDXBdemodBI(uint8_t *dest, size_t *size);
+extern int gProxII_Demod(uint8_t BitStream[], size_t *size);
+extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
+extern int IOdemodFSK(uint8_t *dest, size_t size, int *waveStartIdx);
+extern int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
+extern int indala224decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
+extern int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
+extern int PrescoDemod(uint8_t *dest, size_t *size);
+extern int PyramiddemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
+extern int VikingDemod_AM(uint8_t *dest, size_t *size);
+extern int Visa2kDemod_AM(uint8_t *dest, size_t *size);
#endif
projects / proxmark3-svn / blobdiff