Code cleanup: Refactoring nonce2key

[proxmark3-svn] / common / lfdemod.h

diff --git a/common/lfdemod.h b/common/lfdemod.h
index b0feff04311d704de07488c479393a1c13532122..b465a6594e03fbda7044cae261f04b6c89592919 100644 (file)
--- a/common/lfdemod.h
+++ b/common/lfdemod.h
@@ -4,26 +4,63 @@
 // at your option, any later version. See the LICENSE.txt file for the text of
 // the license.
 //-----------------------------------------------------------------------------
 // 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__
 //-----------------------------------------------------------------------------
 
 #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, size_t *size, int *clk, int *invert);
-uint64_t Em410xDecode(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 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);
-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);
+//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 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);
+extern uint8_t  detectFSKClk_ext(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);
+extern int      DetectNRZClock_ext(uint8_t dest[], size_t size, int clock, size_t *clockStartIdx);
+extern int      DetectPSKClock(uint8_t dest[], size_t size, int clock);
+extern int      DetectPSKClock_ext(uint8_t dest[], size_t size, int clock, int *firstPhaseShift);
+extern int      DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low, int *clock);
+extern bool     DetectST(uint8_t buffer[], size_t *size, int *foundclock);
+extern bool     DetectST_ext(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);
+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);
+extern int      nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert);
+extern uint8_t  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 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);
+
+//tag specific
+extern int AWIDdemodFSK(uint8_t *dest, size_t *size);
+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);
+extern int IOdemodFSK(uint8_t *dest, size_t size);
+extern int indala26decode(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);
+extern int PrescoDemod(uint8_t *dest, size_t *size);
+extern int PyramiddemodFSK(uint8_t *dest, size_t *size);
+extern int VikingDemod_AM(uint8_t *dest, size_t *size);
+extern int Visa2kDemod_AM(uint8_t *dest, size_t *size);

 
 #endif
 
 #endif