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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>
17
18int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
19int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr);
20uint64_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx);
21int ManchesterEncode(uint8_t *BitStream, size_t size);
22int manrawdecode(uint8_t *BitStream, size_t *size);
23int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
24int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp);
25int gProxII_Demod(uint8_t BitStream[], size_t *size);
26int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
27int IOdemodFSK(uint8_t *dest, size_t size);
28int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
29uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
30int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int maxErr);
31void psk1TOpsk2(uint8_t *BitStream, size_t size);
32void psk2TOpsk1(uint8_t *BitStream, size_t size);
33int DetectNRZClock(uint8_t dest[], size_t size, int clock);
34int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
35void pskCleanWave(uint8_t *bitStream, size_t size);
36int PyramiddemodFSK(uint8_t *dest, size_t *size);
37int AWIDdemodFSK(uint8_t *dest, size_t *size);
38size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
39uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t *mostFC);
40uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
41int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
42int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
43uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
44uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
45uint8_t justNoise(uint8_t *BitStream, size_t size);
46uint8_t countPSK_FC(uint8_t *BitStream, size_t size);
47int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
48int DetectPSKClock(uint8_t dest[], size_t size, int clock);
49
50#endif
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