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1 | // Copyright (C) 2014 |
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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 | //----------------------------------------------------------------------------- |
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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 | // |
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12 | //----------------------------------------------------------------------------- |
13 | |
14 | #ifndef LFDEMOD_H__ |
15 | #define LFDEMOD_H__ |
16 | #include <stdint.h> |
17 | |
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18 | //generic |
19 | int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType); |
20 | int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert); |
21 | uint32_t bytebits_to_byte(uint8_t* src, size_t numbits); |
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22 | uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits); |
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23 | uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj); |
24 | int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr); |
25 | uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low); |
26 | uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow); |
27 | int DetectNRZClock(uint8_t dest[], size_t size, int clock); |
28 | int DetectPSKClock(uint8_t dest[], size_t size, int clock); |
29 | int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low); |
30 | uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo); |
31 | int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow); |
32 | int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo); |
33 | int ManchesterEncode(uint8_t *BitStream, size_t size); |
34 | int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert); |
35 | int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int maxErr); |
36 | uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType); |
37 | uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx); |
38 | int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert); |
39 | void psk2TOpsk1(uint8_t *BitStream, size_t size); |
40 | void psk1TOpsk2(uint8_t *BitStream, size_t size); |
41 | size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen); |
42 | |
43 | //tag specific |
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44 | int FDXBdemodBI(uint8_t *dest, size_t *size); |
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45 | int AWIDdemodFSK(uint8_t *dest, size_t *size); |
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46 | int gProxII_Demod(uint8_t BitStream[], size_t *size); |
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47 | int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); |
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48 | int IOdemodFSK(uint8_t *dest, size_t size); |
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49 | int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert); |
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50 | int PyramiddemodFSK(uint8_t *dest, size_t *size); |
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51 | int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); |
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52 | |
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53 | #endif |