// Copyright (C) 2014 // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of // the license. //----------------------------------------------------------------------------- // Low frequency demod related commands // marshmellow // note that many of these demods are not the slickest code and they often rely // on peaks and clock instead of converting to clean signal. // //----------------------------------------------------------------------------- #ifndef LFDEMOD_H__ #define LFDEMOD_H__ #include int DetectASKClock(uint8_t dest[], size_t size, int clock); int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert); uint64_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx); int ManchesterEncode(uint8_t *BitStream, size_t size); int manrawdecode(uint8_t *BitStream, size_t *size); int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert); int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert); int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); int IOdemodFSK(uint8_t *dest, size_t size); int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow); uint32_t bytebits_to_byte(uint8_t* src, size_t numbits); int pskNRZrawDemod(uint8_t *dest, size_t *size, int *clk, int *invert); void psk1TOpsk2(uint8_t *BitStream, size_t size); int DetectpskNRZClock(uint8_t dest[], size_t size, int clock); int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert); void pskCleanWave(uint8_t *bitStream, size_t size); int PyramiddemodFSK(uint8_t *dest, size_t *size); int AWIDdemodFSK(uint8_t *dest, size_t *size); size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen); uint16_t countFC(uint8_t *BitStream, size_t size); uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow); int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo); int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx); uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType); uint8_t justNoise(uint8_t *BitStream, size_t size); #endif