code clean up, added some comments to hitag

[proxmark3-svn] / common / lfdemod.h

diff --git a/common/lfdemod.h b/common/lfdemod.h
index 2e0acf751970873f395b0880cd7205e1341cfed3..a1d99e113f210cf592015c6140ed0f54b5e5ab44 100644 (file)
--- a/common/lfdemod.h
+++ b/common/lfdemod.h
@@ -1,29 +1,57 @@
-// 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.
 //-----------------------------------------------------------------------------
 //
 // 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>
 
 //-----------------------------------------------------------------------------
 
 #ifndef LFDEMOD_H__
 #define LFDEMOD_H__
 #include <stdint.h>
 

-int DetectASKClock(uint8_t dest[], size_t size, int clock);
-int askmandemod(uint8_t *BinStream,int *BitLen,int *clk, int *invert);
-uint64_t Em410xDecode(uint8_t *BitStream,int 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);
+//generic
+uint8_t justNoise(uint8_t *BitStream, size_t size);
+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);
+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);
+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 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);
-int pskNRZrawDemod(uint8_t *dest, int *bitLen, int *clk, int *invert);
-int DetectpskNRZClock(uint8_t dest[], size_t size, int clock);
-int indala26decode(uint8_t *bitStream, int *bitLen, uint8_t *invert);
-void pskCleanWave(uint8_t *bitStream, int bitLen);
+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);

 
 #endif
 
 #endif