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ba1a299c | 1 | // Copyright (C) 2014 |
eb191de6 | 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 | //----------------------------------------------------------------------------- | |
1e090a61 | 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 | // | |
eb191de6 | 12 | //----------------------------------------------------------------------------- |
13 | ||
14 | #ifndef LFDEMOD_H__ | |
15 | #define LFDEMOD_H__ | |
38e41917 | 16 | #include <stdint.h> // for uint_32+ |
17 | #include <stdbool.h> // for bool | |
eb191de6 | 18 | |
fef74fdc | 19 | //generic |
2dcf60f3 | 20 | uint8_t justNoise(uint8_t *bits, size_t size); |
a126332a | 21 | size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType); |
fef74fdc | 22 | int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType); |
a38f5a07 | 23 | void askAmp(uint8_t *BitStream, size_t size); |
fef74fdc | 24 | int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert); |
25 | uint32_t bytebits_to_byte(uint8_t* src, size_t numbits); | |
ad6219fc | 26 | uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits); |
fef74fdc | 27 | uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj); |
28 | int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr); | |
29 | uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low); | |
30 | uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow); | |
31 | int DetectNRZClock(uint8_t dest[], size_t size, int clock); | |
32 | int DetectPSKClock(uint8_t dest[], size_t size, int clock); | |
33 | int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low); | |
05164399 | 34 | bool DetectST(uint8_t buffer[], size_t *size, int *foundclock); |
fef74fdc | 35 | int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow); |
36 | int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo); | |
1d0ccbe0 | 37 | uint32_t manchesterEncode2Bytes(uint16_t datain); |
fef74fdc | 38 | int ManchesterEncode(uint8_t *BitStream, size_t size); |
39 | int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert); | |
6426f6ba | 40 | int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert); |
fef74fdc | 41 | uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType); |
42 | uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx); | |
43 | int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert); | |
44 | void psk2TOpsk1(uint8_t *BitStream, size_t size); | |
45 | void psk1TOpsk2(uint8_t *BitStream, size_t size); | |
46 | size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen); | |
47 | ||
48 | //tag specific | |
49 | int AWIDdemodFSK(uint8_t *dest, size_t *size); | |
da1f16d6 | 50 | int Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo); |
94422fa2 | 51 | int FDXBdemodBI(uint8_t *dest, size_t *size); |
11081e04 | 52 | int gProxII_Demod(uint8_t BitStream[], size_t *size); |
ec75f5c1 | 53 | int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); |
eb191de6 | 54 | int IOdemodFSK(uint8_t *dest, size_t size); |
ba1a299c | 55 | int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert); |
a1d17964 | 56 | int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); |
70459879 | 57 | int PyramiddemodFSK(uint8_t *dest, size_t *size); |
58 | int VikingDemod_AM(uint8_t *dest, size_t *size); | |
4469412e | 59 | int PrescoDemod(uint8_t *dest, size_t *size); |
56bbb25a | 60 | int NedapDemod(uint8_t *dest, size_t *size); |
6c283951 | 61 | int JablotronDemod(uint8_t *dest, size_t *size); |
5daad826 | 62 | int Visa2kDemod_AM(uint8_t *dest, size_t *size); |
207fc33a | 63 | int NoralsyDemod_AM(uint8_t *dest, size_t *size); |
3acac886 | 64 | int IdteckDemodPSK(uint8_t *dest, size_t *size); |
eb191de6 | 65 | #endif |