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Merge pull request #81 from mdp/fixguard
[proxmark3-svn] / common / lfdemod.h
1 // Copyright (C) 2014
2 //
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
5 // the license.
6 //-----------------------------------------------------------------------------
7 // Low frequency demod related commands
8 // marshmellow
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.
11 //
12 //-----------------------------------------------------------------------------
13
14 #ifndef LFDEMOD_H__
15 #define LFDEMOD_H__
16 #include <stdint.h> // for uint_32+
17 #include <stdbool.h> // for bool
18 #include <string.h> // for strcmp
19 #include <stdlib.h> // for
20
21 //generic
22 uint8_t justNoise(uint8_t *bits, size_t size);
23 size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
24 int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
25 void askAmp(uint8_t *BitStream, size_t size);
26 int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
27 uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
28 uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
29 uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
30 int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
31 uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
32 uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
33 int DetectNRZClock(uint8_t dest[], size_t size, int clock);
34 int DetectPSKClock(uint8_t dest[], size_t size, int clock);
35 int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
36 bool DetectST(uint8_t buffer[], size_t *size, int *foundclock);
37 int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
38 int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
39 uint32_t manchesterEncode2Bytes(uint16_t datain);
40 int ManchesterEncode(uint8_t *BitStream, size_t size);
41 int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert);
42 int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
43 uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
44 uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
45 int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
46 void psk2TOpsk1(uint8_t *BitStream, size_t size);
47 void psk1TOpsk2(uint8_t *BitStream, size_t size);
48 size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
49
50 //tag specific
51 int AWIDdemodFSK(uint8_t *dest, size_t *size);
52 int Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
53 int FDXBdemodBI(uint8_t *dest, size_t *size);
54 int gProxII_Demod(uint8_t BitStream[], size_t *size);
55 int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
56 int IOdemodFSK(uint8_t *dest, size_t size);
57 int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
58 int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
59 int PyramiddemodFSK(uint8_t *dest, size_t *size);
60 int VikingDemod_AM(uint8_t *dest, size_t *size);
61 int PrescoDemod(uint8_t *dest, size_t *size);
62 int NedapDemod(uint8_t *dest, size_t *size);
63 int JablotronDemod(uint8_t *dest, size_t *size);
64 int Visa2kDemod_AM(uint8_t *dest, size_t *size);
65 int NoralsyDemod_AM(uint8_t *dest, size_t *size);
66 int IdteckDemodPSK(uint8_t *dest, size_t *size);
67 #endif
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