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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__
16#include <stdint.h>
17
f822a063 18int DetectASKClock(uint8_t dest[], size_t size, int clock);
ba1a299c 19int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert);
ec75f5c1 20uint64_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx);
21int ManchesterEncode(uint8_t *BitStream, size_t size);
ba1a299c 22int manrawdecode(uint8_t *BitStream, size_t *size);
1e090a61 23int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
ba1a299c 24int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert);
ec75f5c1 25int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
eb191de6 26int IOdemodFSK(uint8_t *dest, size_t size);
f822a063 27int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
ba1a299c 28uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
29int pskNRZrawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
04d2721b 30void psk1TOpsk2(uint8_t *BitStream, size_t size);
ba1a299c 31int DetectpskNRZClock(uint8_t dest[], size_t size, int clock);
32int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
33void pskCleanWave(uint8_t *bitStream, size_t size);
a1d17964 34int PyramiddemodFSK(uint8_t *dest, size_t *size);
35int AWIDdemodFSK(uint8_t *dest, size_t *size);
1e090a61 36size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
03e6bb4a 37uint16_t countFC(uint8_t *BitStream, size_t size);
38uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
1e090a61 39int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
a1d17964 40int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
41uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
42uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
43uint8_t justNoise(uint8_t *BitStream, size_t size);
eb191de6 44
eb191de6 45#endif
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