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git.zerfleddert.de Git - proxmark3-svn/blob - common/lfdemod.h
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
6 //-----------------------------------------------------------------------------
7 // Low frequency demod related commands
9 // note that many of these demods are not the slickest code and they often rely
10 // on peaks and clock instead of converting to clean signal.
12 //-----------------------------------------------------------------------------
16 #include <stdint.h> // for uint_32+
17 #include <stdbool.h> // for bool
20 extern size_t addParity(uint8_t *BitSource
, uint8_t *dest
, uint8_t sourceLen
, uint8_t pLen
, uint8_t pType
);
21 extern int askdemod(uint8_t *BinStream
, size_t *size
, int *clk
, int *invert
, int maxErr
, uint8_t amp
, uint8_t askType
);
22 extern int askdemod_ext(uint8_t *BinStream
, size_t *size
, int *clk
, int *invert
, int maxErr
, uint8_t amp
, uint8_t askType
, int *startIdx
);
23 extern void askAmp(uint8_t *BitStream
, size_t size
);
24 extern int BiphaseRawDecode(uint8_t * BitStream
, size_t *size
, int *offset
, int invert
);
25 extern uint32_t bytebits_to_byte(uint8_t* src
, size_t numbits
);
26 extern uint32_t bytebits_to_byteLSBF(uint8_t* src
, size_t numbits
);
27 extern uint16_t countFC(uint8_t *BitStream
, size_t size
, uint8_t fskAdj
);
28 extern int DetectASKClock(uint8_t dest
[], size_t size
, int *clock
, int maxErr
);
29 extern uint8_t DetectCleanAskWave(uint8_t dest
[], size_t size
, uint8_t high
, uint8_t low
);
30 extern uint8_t detectFSKClk(uint8_t *BitStream
, size_t size
, uint8_t fcHigh
, uint8_t fcLow
, int *firstClockEdge
);
31 extern int DetectNRZClock(uint8_t dest
[], size_t size
, int clock
, size_t *clockStartIdx
);
32 extern int DetectPSKClock(uint8_t dest
[], size_t size
, int clock
, size_t *firstPhaseShift
, uint8_t *curPhase
, uint8_t *fc
);
33 extern int DetectStrongAskClock(uint8_t dest
[], size_t size
, int high
, int low
, int *clock
);
34 extern bool DetectST(uint8_t buffer
[], size_t *size
, int *foundclock
, size_t *ststart
, size_t *stend
);
35 extern int fskdemod(uint8_t *dest
, size_t size
, uint8_t rfLen
, uint8_t invert
, uint8_t fchigh
, uint8_t fclow
, int *startIdx
);
36 extern int getHiLo(uint8_t *BitStream
, size_t size
, int *high
, int *low
, uint8_t fuzzHi
, uint8_t fuzzLo
);
37 extern uint32_t manchesterEncode2Bytes(uint16_t datain
);
38 extern int ManchesterEncode(uint8_t *BitStream
, size_t size
);
39 extern int manrawdecode(uint8_t *BitStream
, size_t *size
, uint8_t invert
, uint8_t *alignPos
);
40 extern int nrzRawDemod(uint8_t *dest
, size_t *size
, int *clk
, int *invert
, int *startIdx
);
41 extern bool parityTest(uint32_t bits
, uint8_t bitLen
, uint8_t pType
);
42 extern uint8_t preambleSearch(uint8_t *BitStream
, uint8_t *preamble
, size_t pLen
, size_t *size
, size_t *startIdx
);
43 extern bool preambleSearchEx(uint8_t *BitStream
, uint8_t *preamble
, size_t pLen
, size_t *size
, size_t *startIdx
, bool findone
);
44 extern int pskRawDemod(uint8_t dest
[], size_t *size
, int *clock
, int *invert
);
45 extern int pskRawDemod_ext(uint8_t dest
[], size_t *size
, int *clock
, int *invert
, int *startIdx
);
46 extern void psk2TOpsk1(uint8_t *BitStream
, size_t size
);
47 extern void psk1TOpsk2(uint8_t *BitStream
, size_t size
);
48 extern size_t removeParity(uint8_t *BitStream
, size_t startIdx
, uint8_t pLen
, uint8_t pType
, size_t bLen
);
51 extern int AWIDdemodFSK(uint8_t *dest
, size_t *size
, int *waveStartIdx
);
52 extern uint8_t Em410xDecode(uint8_t *BitStream
, size_t *size
, size_t *startIdx
, uint32_t *hi
, uint64_t *lo
);
53 extern int FDXBdemodBI(uint8_t *dest
, size_t *size
);
54 extern int gProxII_Demod(uint8_t BitStream
[], size_t *size
);
55 extern int HIDdemodFSK(uint8_t *dest
, size_t *size
, uint32_t *hi2
, uint32_t *hi
, uint32_t *lo
, int *waveStartIdx
);
56 extern int IOdemodFSK(uint8_t *dest
, size_t size
, int *waveStartIdx
);
57 extern int indala64decode(uint8_t *bitStream
, size_t *size
, uint8_t *invert
);
58 extern int indala224decode(uint8_t *bitStream
, size_t *size
, uint8_t *invert
);
59 extern int ParadoxdemodFSK(uint8_t *dest
, size_t *size
, uint32_t *hi2
, uint32_t *hi
, uint32_t *lo
, int *waveStartIdx
);
60 extern int PrescoDemod(uint8_t *dest
, size_t *size
);
61 extern int PyramiddemodFSK(uint8_t *dest
, size_t *size
, int *waveStartIdx
);
62 extern int VikingDemod_AM(uint8_t *dest
, size_t *size
);
63 extern int Visa2kDemod_AM(uint8_t *dest
, size_t *size
);