-// Copyright (C) 2014
+// 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 commands
+// 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 <stdint.h>
+#include <stdint.h> // for uint_32+
+#include <stdbool.h> // for bool
-int DetectASKClock(uint8_t dest[], size_t size, int clock);
-int askmandemod(uint8_t *BinStream,uint32_t *BitLen,int *clk, int *invert);
-uint64_t Em410xDecode(uint8_t *BitStream,uint32_t BitLen);
-int manrawdecode(uint8_t *BitStream, int *bitLen);
-int BiphaseRawDecode(uint8_t * BitStream, int *bitLen, int offset);
-int askrawdemod(uint8_t *BinStream, int *bitLen,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, int numbits);
+//generic
+size_t addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
+int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
+void askAmp(uint8_t *BitStream, size_t size);
+int BiphaseRawDecode(uint8_t * BitStream, size_t *size, int offset, int invert);
+uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
+uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
+uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
+int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
+uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
+int DetectNRZClock(uint8_t dest[], size_t size, int clock);
+int DetectPSKClock(uint8_t dest[], size_t size, int clock);
+int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+bool DetectST(uint8_t buffer[], size_t *size, int *foundclock);
+int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
+int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
+uint32_t manchesterEncode2Bytes(uint16_t datain);
+int ManchesterEncode(uint8_t *BitStream, size_t size);
+int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert);
+int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
+uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
+uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
+int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
+void psk2TOpsk1(uint8_t *BitStream, size_t size);
+void psk1TOpsk2(uint8_t *BitStream, size_t size);
+size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
+//tag specific
+int AWIDdemodFSK(uint8_t *dest, size_t *size);
+uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
+int FDXBdemodBI(uint8_t *dest, size_t *size);
+int gProxII_Demod(uint8_t BitStream[], size_t *size);
+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 indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
+int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
+int PyramiddemodFSK(uint8_t *dest, size_t *size);
+int VikingDemod_AM(uint8_t *dest, size_t *size);
+int PrescoDemod(uint8_t *dest, size_t *size);
#endif