change comment in iso14443a.c (#459)

[proxmark3-svn] / common / lfdemod.h

diff --git a/common/lfdemod.h b/common/lfdemod.h
index e66ed6f9e3f23a1139b5ce4f9910a5d99aeb0eb1..f18c278462e43cffa69deafb0dda916e37e15ab5 100644 (file)
--- a/common/lfdemod.h
+++ b/common/lfdemod.h
@@ -1,28 +1,65 @@
-// 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 DetectClock2(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 manrawdemod(uint8_t *BitStream, int *bitLen);
-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);
-uint32_t bytebits_to_byte(uint8_t* src, int numbits);
+//generic
+extern size_t   addParity(uint8_t *BitSource, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType);
+extern int      askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType);
+extern int      askdemod_ext(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr, uint8_t amp, uint8_t askType, int *startIdx);
+extern void     askAmp(uint8_t *BitStream, size_t size);
+extern int      BiphaseRawDecode(uint8_t * BitStream, size_t *size, int *offset, int invert);
+extern uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
+extern uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
+extern uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
+extern int      DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
+extern uint8_t  DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+extern uint8_t  detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow, int *firstClockEdge);
+extern int      DetectNRZClock(uint8_t dest[], size_t size, int clock, size_t *clockStartIdx);
+extern int      DetectPSKClock(uint8_t dest[], size_t size, int clock, size_t *firstPhaseShift, uint8_t *curPhase, uint8_t *fc);
+extern int      DetectStrongAskClock(uint8_t dest[], size_t size, int high, int low, int *clock);
+extern bool     DetectST(uint8_t buffer[], size_t *size, int *foundclock, size_t *ststart, size_t *stend);
+extern int      fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow, int *startIdx);
+extern int      getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
+extern uint32_t manchesterEncode2Bytes(uint16_t datain);
+extern int      ManchesterEncode(uint8_t *BitStream, size_t size);
+extern int      manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert, uint8_t *alignPos);
+extern int      nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int *startIdx);
+extern bool     parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
+extern uint8_t  preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
+extern bool     preambleSearchEx(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx, bool findone);
+extern int      pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
+extern int      pskRawDemod_ext(uint8_t dest[], size_t *size, int *clock, int *invert, int *startIdx);
+extern void     psk2TOpsk1(uint8_t *BitStream, size_t size);
+extern void     psk1TOpsk2(uint8_t *BitStream, size_t size);
+extern size_t   removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
 
-//
-//#define MAX_BitStream_LEN (1024*128)
-//extern int BitStreamLen;
+//tag specific
+extern int AWIDdemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
+extern uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
+extern int FDXBdemodBI(uint8_t *dest, size_t *size);
+extern int gProxII_Demod(uint8_t BitStream[], size_t *size);
+extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
+extern int IOdemodFSK(uint8_t *dest, size_t size, int *waveStartIdx);
+extern int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
+extern int indala224decode(uint8_t *bitStream, size_t *size, uint8_t *invert);
+extern int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
+extern int PrescoDemod(uint8_t *dest, size_t *size);
+extern int PyramiddemodFSK(uint8_t *dest, size_t *size, int *waveStartIdx);
+extern int VikingDemod_AM(uint8_t *dest, size_t *size);
+extern int Visa2kDemod_AM(uint8_t *dest, size_t *size);
 
 #endif