diff --git a/armsrc/lfops.c b/armsrc/lfops.c index f5040850c..8ea9b317f 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -633,7 +633,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) { uint8_t *dest = (uint8_t *)BigBuf; - size_t size=0; //, found=0; + size_t size=sizeof(BigBuf), idx=0; //, found=0; uint32_t hi2=0, hi=0, lo=0; // Configure to go in 125Khz listen mode @@ -646,11 +646,11 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) DoAcquisition125k_internal(-1,true); // FSK demodulator - size = HIDdemodFSK(dest, sizeof(BigBuf), &hi2, &hi, &lo); + idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo); WDT_HIT(); - if (size>0 && lo>0){ + if (idx>0 && lo>0){ // final loop, go over previously decoded manchester data and decode into usable tag ID // 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0 if (hi2 != 0){ //extra large HID tags @@ -721,7 +721,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol) { uint8_t *dest = (uint8_t *)BigBuf; - size_t size=0; + size_t size=0, idx=0; int clk=0, invert=0, errCnt=0; uint64_t lo=0; // Configure to go in 125Khz listen mode @@ -741,7 +741,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol) WDT_HIT(); if (errCnt>=0){ - lo = Em410xDecode(dest,size); + lo = Em410xDecode(dest, &size, &idx); //Dbprintf("DEBUG: EM GOT"); if (lo>0){ Dbprintf("EM TAG ID: %02x%08x - (%05d_%03d_%08d)", diff --git a/client/cmddata.c b/client/cmddata.c index 60d0d8752..578587bcf 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -22,21 +22,30 @@ #include "cmddata.h" #include "lfdemod.h" uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; +uint8_t g_debugMode; int DemodBufferLen; static int CmdHelp(const char *Cmd); //set the demod buffer with given array of binary (one bit per byte) //by marshmellow -void setDemodBuf(uint8_t *buff,int size) +void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx) { - int i=0; - for (; i < size; ++i){ - DemodBuffer[i]=buff[i]; + size_t i = 0; + for (; i < size; i++){ + DemodBuffer[i]=buff[startIdx++]; } DemodBufferLen=size; return; } +int CmdSetDebugMode(const char *Cmd) +{ + int demod=0; + sscanf(Cmd, "%i", &demod); + g_debugMode=(uint8_t)demod; + return 1; +} + //by marshmellow void printDemodBuff() { @@ -206,7 +215,7 @@ void printEM410x(uint64_t id) { if (id !=0){ uint64_t iii=1; - uint64_t id2lo=0; //id2hi=0, + uint64_t id2lo=0; uint32_t ii=0; uint32_t i=0; for (ii=5; ii>0;ii--){ @@ -216,7 +225,7 @@ void printEM410x(uint64_t id) } //output em id PrintAndLog("EM TAG ID : %010llx", id); - PrintAndLog("Unique TAG ID: %010llx", id2lo); //id2hi, + PrintAndLog("Unique TAG ID: %010llx", id2lo); PrintAndLog("DEZ 8 : %08lld",id & 0xFFFFFF); PrintAndLog("DEZ 10 : %010lld",id & 0xFFFFFF); PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF)); @@ -233,12 +242,17 @@ void printEM410x(uint64_t id) int CmdEm410xDecode(const char *Cmd) { uint64_t id=0; - // uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - // uint32_t i=0; - // i=getFromGraphBuf(BitStream); - id = Em410xDecode(DemodBuffer,DemodBufferLen); - printEM410x(id); - if (id>0) return 1; + size_t size = DemodBufferLen, idx=0; + id = Em410xDecode(DemodBuffer, &size, &idx); + if (id>0){ + setDemodBuf(DemodBuffer, size, idx); + if (g_debugMode){ + PrintAndLog("DEBUG: Printing demod buffer:"); + printDemodBuff(); + } + printEM410x(id); + return 1; + } return 0; } @@ -249,7 +263,7 @@ int CmdEm410xDecode(const char *Cmd) //prints binary found and saves in graphbuffer for further commands int Cmdaskmandemod(const char *Cmd) { - int invert=0; + int invert=0; int clk=0; uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; sscanf(Cmd, "%i %i", &clk, &invert); @@ -259,11 +273,11 @@ int Cmdaskmandemod(const char *Cmd) } size_t BitLen = getFromGraphBuf(BitStream); - // PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen); + if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen); int errCnt=0; errCnt = askmandemod(BitStream, &BitLen,&clk,&invert); if (errCnt<0||BitLen<16){ //if fatal error (or -1) - // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); + if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); return 0; } PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen); @@ -274,17 +288,22 @@ int Cmdaskmandemod(const char *Cmd) } PrintAndLog("ASK/Manchester decoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits - setDemodBuf(BitStream,BitLen); + setDemodBuf(BitStream,BitLen,0); printDemodBuff(); uint64_t lo =0; - lo = Em410xDecode(BitStream,BitLen); + size_t idx=0; + lo = Em410xDecode(BitStream, &BitLen, &idx); if (lo>0){ //set GraphBuffer for clone or sim command + setDemodBuf(BitStream, BitLen, idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } PrintAndLog("EM410x pattern found: "); printEM410x(lo); return 1; } - //if (BitLen>16) return 1; return 0; } @@ -317,9 +336,14 @@ int Cmdmandecoderaw(const char *Cmd) printBitStream(BitStream, size); if (errCnt==0){ uint64_t id = 0; - id = Em410xDecode(BitStream, size); - if (id>0) setDemodBuf(BitStream, size); - printEM410x(id); + size_t idx=0; + id = Em410xDecode(BitStream, &size, &idx); + if (id>0){ + //need to adjust to set bitstream back to manchester encoded data + //setDemodBuf(BitStream, size, idx); + + printEM410x(id); + } } return 1; } @@ -366,7 +390,6 @@ int CmdBiphaseDecodeRaw(const char *Cmd) return 1; } - //by marshmellow //takes 2 arguments - clock and invert both as integers //attempts to demodulate ask only @@ -386,14 +409,15 @@ int Cmdaskrawdemod(const char *Cmd) errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert); if (errCnt==-1||BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) PrintAndLog("no data found"); + if (g_debugMode==1) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert); return 0; } PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); - //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum); - //move BitStream back to DemodBuffer - setDemodBuf(BitStream,BitLen); + + //move BitStream back to DemodBuffer + setDemodBuf(BitStream,BitLen,0); - //output + //output if (errCnt>0){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); } @@ -541,6 +565,27 @@ int CmdDec(const char *Cmd) return 0; } +//by marshmellow +//shift graph zero up or down based on input + or - +int CmdGraphShiftZero(const char *Cmd) +{ + + int shift=0; + //set options from parameters entered with the command + sscanf(Cmd, "%i", &shift); + int shiftedVal=0; + for(int i = 0; i127) + shiftedVal=127; + else if (shiftedVal<-127) + shiftedVal=-127; + GraphBuffer[i]= shiftedVal; + } + CmdNorm(""); + return 0; +} + /* Print our clock rate */ // uses data from graphbuffer int CmdDetectClockRate(const char *Cmd) @@ -567,7 +612,6 @@ int CmdFSKrawdemod(const char *Cmd) sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow); if (strlen(Cmd)>0 && strlen(Cmd)<=2) { - //rfLen=param_get8(Cmd, 0); //if rfLen option only is used if (rfLen==1){ invert=1; //if invert option only is used rfLen = 50; @@ -579,7 +623,7 @@ int CmdFSKrawdemod(const char *Cmd) int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow); if (size>0){ PrintAndLog("FSK decoded bitstream:"); - setDemodBuf(BitStream,size); + setDemodBuf(BitStream,size,0); // Now output the bitstream to the scrollback by line of 16 bits if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits most tags will have full bit stream inside that sample size @@ -601,20 +645,20 @@ int CmdFSKdemodHID(const char *Cmd) uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; size_t BitLen = getFromGraphBuf(BitStream); //get binary from fsk wave - size_t size = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo); - if (size<0){ - PrintAndLog("Error demoding fsk"); + size_t idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); + if (idx<0){ + if (g_debugMode) PrintAndLog("DEBUG: Error demoding fsk"); + return 0; + } + if (hi2==0 && hi==0 && lo==0) { + if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); return 0; } - if (hi2==0 && hi==0 && lo==0) return 0; if (hi2 != 0){ //extra large HID tags PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); - setDemodBuf(BitStream,BitLen); - return 1; } else { //standard HID tags <38 bits - //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd uint8_t fmtLen = 0; uint32_t fc = 0; uint32_t cardnum = 0; @@ -654,12 +698,49 @@ int CmdFSKdemodHID(const char *Cmd) PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); - setDemodBuf(BitStream,BitLen); - return 1; } - return 0; + setDemodBuf(BitStream,BitLen,idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } + return 1; } +//by marshmellow (based on existing demod + holiman's refactor) +//Paradox Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) +//print full Paradox Prox ID and some bit format details if found +int CmdFSKdemodParadox(const char *Cmd) +{ + //raw fsk demod no manchester decoding no start bit finding just get binary from wave + uint32_t hi2=0, hi=0, lo=0; + + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t BitLen = getFromGraphBuf(BitStream); + //get binary from fsk wave + size_t idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); + if (idx<0){ + if (g_debugMode) PrintAndLog("DEBUG: Error demoding fsk"); + return 0; + } + if (hi2==0 && hi==0 && lo==0){ + if (g_debugMode) PrintAndLog("DEBUG: Error - no value found"); + return 0; + } + uint32_t fc = ((hi & 0x3)<<6) | (lo>>26); + uint32_t cardnum = (lo>>10)&0xFFFF; + + PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x", + hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF ); + setDemodBuf(BitStream,BitLen,idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } + return 1; +} + + //by marshmellow //IO-Prox demod - FSK RF/64 with preamble of 000000001 //print ioprox ID and some format details @@ -668,21 +749,25 @@ int CmdFSKdemodIO(const char *Cmd) //raw fsk demod no manchester decoding no start bit finding just get binary from wave //set defaults int idx=0; - //something in graphbuffer - if (GraphTraceLen < 65) return 0; - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - //get binary from fsk wave - // PrintAndLog("DEBUG: got buff"); - idx = IOdemodFSK(BitStream,BitLen); - if (idx<0){ - //PrintAndLog("Error demoding fsk"); + //something in graphbuffer? + if (GraphTraceLen < 65) { + if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); + return 0; + } + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t BitLen = getFromGraphBuf(BitStream); + + //get binary from fsk wave + idx = IOdemodFSK(BitStream,BitLen); + if (idx<0){ + if (g_debugMode==1) PrintAndLog("DEBUG: demoding fsk error: %d", idx); return 0; } - // PrintAndLog("DEBUG: Got IOdemodFSK"); if (idx==0){ - //PrintAndLog("IO Prox Data not found - FSK Data:"); - //if (BitLen > 92) printBitStream(BitStream,92); + if (g_debugMode==1){ + PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); + if (BitLen > 92) printBitStream(BitStream,92); + } return 0; } //Index map @@ -694,7 +779,10 @@ int CmdFSKdemodIO(const char *Cmd) // //XSF(version)facility:codeone+codetwo (raw) //Handle the data - if (idx+64>BitLen) return 0; + if (idx+64>BitLen) { + if (g_debugMode==1) PrintAndLog("not enough bits found - bitlen: %d",BitLen); + return 0; + } PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); @@ -709,12 +797,12 @@ int CmdFSKdemodIO(const char *Cmd) uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2); - int i; - for (i=0;i<64;++i) - DemodBuffer[i]=BitStream[idx++]; - - DemodBufferLen=64; - return 1; + setDemodBuf(BitStream,64,idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); + printDemodBuff(); + } + return 1; } @@ -724,8 +812,8 @@ int CmdFSKdemodIO(const char *Cmd) int CmdFSKdemodAWID(const char *Cmd) { - int verbose=1; - sscanf(Cmd, "%i", &verbose); + //int verbose=1; + //sscanf(Cmd, "%i", &verbose); //raw fsk demod no manchester decoding no start bit finding just get binary from wave uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; @@ -734,17 +822,21 @@ int CmdFSKdemodAWID(const char *Cmd) //get binary from fsk wave int idx = AWIDdemodFSK(BitStream, size); if (idx<=0){ - if (verbose){ + if (g_debugMode==1){ if (idx == -1) - PrintAndLog("Error: not enough samples"); + PrintAndLog("DEBUG: Error - not enough samples"); else if (idx == -2) - PrintAndLog("Error: only noise found - no waves"); + PrintAndLog("DEBUG: Error - only noise found - no waves"); else if (idx == -3) - PrintAndLog("Error: problem during FSK demod"); + PrintAndLog("DEBUG: Error - problem during FSK demod"); // else if (idx == -3) // PrintAndLog("Error: thought we had a tag but the parity failed"); else if (idx == -4) - PrintAndLog("Error: AWID preamble not found"); + PrintAndLog("DEBUG: Error - AWID preamble not found"); + else if (idx == -5) + PrintAndLog("DEBUG: Error - Second AWID preamble not found"); + else + PrintAndLog("DEBUG: Error %d",idx); } return 0; } @@ -766,9 +858,11 @@ int CmdFSKdemodAWID(const char *Cmd) uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); + setDemodBuf(BitStream,96,idx); + size = removeParity(BitStream, idx+8, 4, 1, 88); if (size != 66){ - if (verbose) PrintAndLog("Error: at parity check-tag size does not match AWID format"); + if (g_debugMode==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format"); return 0; } // ok valid card found! @@ -807,9 +901,11 @@ int CmdFSKdemodAWID(const char *Cmd) PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); } } - + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); + printDemodBuff(); + } //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands - return 1; } @@ -818,10 +914,6 @@ int CmdFSKdemodAWID(const char *Cmd) //print full Farpointe Data/Pyramid Prox ID and some bit format details if found int CmdFSKdemodPyramid(const char *Cmd) { - - int verbose=1; - sscanf(Cmd, "%i", &verbose); - //raw fsk demod no manchester decoding no start bit finding just get binary from wave uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; size_t size = getFromGraphBuf(BitStream); @@ -829,23 +921,22 @@ int CmdFSKdemodPyramid(const char *Cmd) //get binary from fsk wave int idx = PyramiddemodFSK(BitStream, size); if (idx < 0){ - if (verbose){ + if (g_debugMode==1){ if (idx == -5) - PrintAndLog("Error: not enough samples"); + PrintAndLog("DEBUG: Error - not enough samples"); else if (idx == -1) - PrintAndLog("Error: only noise found - no waves"); + PrintAndLog("DEBUG: Error - only noise found - no waves"); else if (idx == -2) - PrintAndLog("Error: problem during FSK demod"); - //else if (idx == -3) - // PrintAndLog("Error: thought we had a tag but the parity failed"); + PrintAndLog("DEBUG: Error - problem during FSK demod"); + else if (idx == -3) + PrintAndLog("DEBUG: Error - Second Pyramid preamble not found"); else if (idx == -4) - PrintAndLog("Error: AWID preamble not found"); + PrintAndLog("DEBUG: Error - Pyramid preamble not found"); + else + PrintAndLog("DEBUG: Error - idx: %d",idx); } - PrintAndLog("idx: %d",idx); return 0; } - //PrintAndLog("DEBUG: idx: %d",idx); - // Index map // 0 10 20 30 40 50 60 // | | | | | | | @@ -872,9 +963,11 @@ int CmdFSKdemodPyramid(const char *Cmd) uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32); uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32); uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32); + setDemodBuf(BitStream,128,idx); + size = removeParity(BitStream, idx+8, 8, 1, 120); if (size != 105){ - if (verbose) PrintAndLog("Error: at parity check-tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); + if (g_debugMode==1) PrintAndLog("DEBUG: Error at parity check-tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); return 0; } @@ -902,10 +995,9 @@ int CmdFSKdemodPyramid(const char *Cmd) // (26 bit format shown) //find start bit to get fmtLen - idx = 0; int j; for (j=0; j32){ //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32); //code2 = bytebits_to_byte(BitStream+(size-32),32); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); + PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); } else{ //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); + PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); } } //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands - + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); + printDemodBuff(); + } return 1; } @@ -1057,6 +1152,8 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating return 0; } +//by marshmellow +//attempt to detect the field clock and bit clock for FSK int CmdFSKfcDetect(const char *Cmd) { uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; @@ -1078,7 +1175,8 @@ int CmdDetectNRZpskClockRate(const char *Cmd) return 0; } -int PSKnrzDemod(const char *Cmd){ +int PSKnrzDemod(const char *Cmd) +{ int invert=0; int clk=0; sscanf(Cmd, "%i %i", &clk, &invert); @@ -1091,13 +1189,13 @@ int PSKnrzDemod(const char *Cmd){ int errCnt=0; errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert); if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) - //PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); + if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); return -1; } PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); //prime demod buffer for output - setDemodBuf(BitStream,BitLen); + setDemodBuf(BitStream,BitLen,0); return errCnt; } // Indala 26 bit decode @@ -1105,35 +1203,30 @@ int PSKnrzDemod(const char *Cmd){ // optional arguments - same as CmdpskNRZrawDemod (clock & invert) int CmdIndalaDecode(const char *Cmd) { - uint8_t verbose = 1; int ans; if (strlen(Cmd)>0){ - if (Cmd[0]=='0'){ - verbose=0; - ans = PSKnrzDemod("32"); - }else{ - ans = PSKnrzDemod(Cmd); - } + ans = PSKnrzDemod(Cmd); } else{ //default to RF/32 ans = PSKnrzDemod("32"); } if (ans < 0){ - if (verbose) + if (g_debugMode==1) PrintAndLog("Error1: %d",ans); return 0; } uint8_t invert=0; ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert); if (ans < 1) { - if (verbose) + if (g_debugMode==1) PrintAndLog("Error2: %d",ans); return -1; } char showbits[251]; if (invert) - if (verbose) + if (g_debugMode==1) PrintAndLog("Had to invert bits"); + //convert UID to HEX uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; int idx; @@ -1197,25 +1290,28 @@ int CmdPskClean(const char *Cmd) //prints binary found and saves in graphbuffer for further commands int CmdpskNRZrawDemod(const char *Cmd) { - uint8_t verbose = 1; int errCnt; - if (strlen(Cmd)>0){ - if (Cmd[0]=='0') - verbose=0; - } - + errCnt = PSKnrzDemod(Cmd); //output - if (errCnt<0) return 0; + if (errCnt<0){ + if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt); + return 0; + } if (errCnt>0){ - if (verbose) + if (g_debugMode){ PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); - } - PrintAndLog("PSK or NRZ demoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - printDemodBuff(); - - return 1; + PrintAndLog("PSK or NRZ demoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printDemodBuff(); + } + }else{ + PrintAndLog("PSK or NRZ demoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printDemodBuff(); + return 1; + } + return 0; } int CmdGrid(const char *Cmd) @@ -1367,14 +1463,14 @@ int CmdTuneSamples(const char *Cmd) int CmdLoad(const char *Cmd) { - char filename[FILE_PATH_SIZE] = {0x00}; - int len = 0; + char filename[FILE_PATH_SIZE] = {0x00}; + int len = 0; - len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; - memcpy(filename, Cmd, len); + len = strlen(Cmd); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd, len); - FILE *f = fopen(filename, "r"); + FILE *f = fopen(filename, "r"); if (!f) { PrintAndLog("couldn't open '%s'", filename); return 0; @@ -1403,6 +1499,8 @@ int CmdLtrim(const char *Cmd) RepaintGraphWindow(); return 0; } + +// trim graph to input argument length int CmdRtrim(const char *Cmd) { int ds = atoi(Cmd); @@ -1683,12 +1781,12 @@ int CmdPlot(const char *Cmd) int CmdSave(const char *Cmd) { - char filename[FILE_PATH_SIZE] = {0x00}; - int len = 0; + char filename[FILE_PATH_SIZE] = {0x00}; + int len = 0; - len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; - memcpy(filename, Cmd, len); + len = strlen(Cmd); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd, len); FILE *f = fopen(filename, "w"); @@ -1814,6 +1912,7 @@ static command_t CommandTable[] = {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate graph window as a HID FSK tag using raw"}, {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate graph window as an IO Prox tag FSK using raw"}, {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate graph window as a Pyramid FSK tag using raw"}, + {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate graph window as a Paradox FSK tag using raw"}, {"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"}, {"grid", CmdGrid, 1, " -- overlay grid on graph window, use zero value to turn off either"}, {"hexsamples", CmdHexsamples, 0, " [] -- Dump big buffer as hex bytes"}, @@ -1834,6 +1933,8 @@ static command_t CommandTable[] = {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window"}, {"save", CmdSave, 1, " -- Save trace (from graph window)"}, {"scale", CmdScale, 1, " -- Set cursor display scale"}, + {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"}, + {"shiftgraphzero",CmdGraphShiftZero, 1, " -- Shift 0 for Graphed wave + or - shift value"}, {"threshold", CmdThreshold, 1, " -- Maximize/minimize every value in the graph window depending on threshold"}, {"dirthreshold", CmdDirectionalThreshold, 1, " -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."}, {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, diff --git a/client/cmddata.h b/client/cmddata.h index ffd6b983a..d87c8b82e 100644 --- a/client/cmddata.h +++ b/client/cmddata.h @@ -30,6 +30,7 @@ int CmdFSKdemodAWID(const char *Cmd); int CmdFSKdemod(const char *Cmd); int CmdFSKdemodHID(const char *Cmd); int CmdFSKdemodIO(const char *Cmd); +int CmdFSKdemodParadox(const char *Cmd); int CmdFSKdemodPyramid(const char *Cmd); int CmdFSKrawdemod(const char *Cmd); int CmdDetectNRZpskClockRate(const char *Cmd); diff --git a/client/cmdlf.c b/client/cmdlf.c index 945b45578..9fc6b999f 100644 --- a/client/cmdlf.c +++ b/client/cmdlf.c @@ -575,36 +575,41 @@ int CmdLFfind(const char *Cmd) } PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag"); - PrintAndLog("Checking for known tags:"); + PrintAndLog("\nChecking for known tags:\n"); ans=CmdFSKdemodIO(""); if (ans>0) { - PrintAndLog("Valid IO Prox ID Found!"); + PrintAndLog("\nValid IO Prox ID Found!"); return 1; } - ans=CmdFSKdemodPyramid("0"); + ans=CmdFSKdemodPyramid(""); if (ans>0) { - PrintAndLog("Valid Pyramid ID Found!"); + PrintAndLog("\nValid Pyramid ID Found!"); return 1; } - ans=CmdFSKdemodAWID("0"); + ans=CmdFSKdemodParadox(""); if (ans>0) { - PrintAndLog("Valid AWID ID Found!"); + PrintAndLog("\nValid Paradox ID Found!"); + return 1; + } + ans=CmdFSKdemodAWID(""); + if (ans>0) { + PrintAndLog("\nValid AWID ID Found!"); return 1; } ans=CmdFSKdemodHID(""); if (ans>0) { - PrintAndLog("Valid HID Prox ID Found!"); + PrintAndLog("\nValid HID Prox ID Found!"); return 1; } //add psk and indala - ans=CmdIndalaDecode("0"); + ans=CmdIndalaDecode(""); if (ans>0) { - PrintAndLog("Valid Indala ID Found!"); + PrintAndLog("\nValid Indala ID Found!"); return 1; } ans=Cmdaskmandemod(""); if (ans>0) { - PrintAndLog("Valid EM410x ID Found!"); + PrintAndLog("\nValid EM410x ID Found!"); return 1; } PrintAndLog("No Known Tags Found!\n"); diff --git a/client/graph.c b/client/graph.c index 6362c8fe2..174e4a5fe 100644 --- a/client/graph.c +++ b/client/graph.c @@ -69,6 +69,8 @@ size_t getFromGraphBuf(uint8_t *buff) } return i; } + + // Get or auto-detect clock rate int GetClock(const char *str, int peak, int verbose) { diff --git a/common/lfdemod.c b/common/lfdemod.c index 4a80a10c7..8f1a37642 100644 --- a/common/lfdemod.c +++ b/common/lfdemod.c @@ -31,7 +31,7 @@ int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi //by marshmellow //takes 1s and 0s and searches for EM410x format - output EM ID -uint64_t Em410xDecode(uint8_t *BitStream, size_t size) +uint64_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx) { //no arguments needed - built this way in case we want this to be a direct call from "data " cmds in the future // otherwise could be a void with no arguments @@ -48,17 +48,18 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size) uint32_t idx = 0; uint32_t ii=0; uint8_t resetCnt = 0; - while( (idx + 64) < size) { + while( (idx + 64) < *size) { restart: // search for a start of frame marker if ( memcmp(BitStream+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) { // frame marker found + *startIdx=idx; idx+=9; for (i=0; i<10;i++){ for(ii=0; ii<5; ++ii){ parityTest ^= BitStream[(i*5)+ii+idx]; } - if (!parityTest){ + if (!parityTest){ //even parity parityTest=0; for (ii=0; ii<4;++ii){ lo=(lo<<1LL)|(BitStream[(i*5)+ii+idx]); @@ -74,6 +75,7 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size) } } //skip last 5 bit parity test for simplicity. + *size = 64; return lo; }else{ idx++; @@ -89,10 +91,12 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size) int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert) { int i; + int clk2=*clk; *clk=DetectASKClock(BinStream, *size, *clk); //clock default - if (*clk<8) *clk =64; - if (*clk<32) *clk=32; + // if autodetected too low then adjust //MAY NEED ADJUSTMENT + if (clk2==0 && *clk<8) *clk =64; + if (clk2==0 && *clk<32) *clk=32; if (*invert != 0 && *invert != 1) *invert=0; uint32_t initLoopMax = 200; if (initLoopMax > *size) initLoopMax=*size; @@ -106,7 +110,7 @@ int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert) int lastBit = 0; //set first clock check uint32_t bitnum = 0; //output counter int tol = 0; //clock tolerance adjust - waves will be accepted as within the clock if they fall + or - this value + clock from last valid wave - if (*clk==32)tol=1; //clock tolerance may not be needed anymore currently set to + or - 1 but could be increased for poor waves or removed entirely + if (*clk<=32)tol=1; //clock tolerance may not be needed anymore currently set to + or - 1 but could be increased for poor waves or removed entirely int iii = 0; uint32_t gLen = *size; if (gLen > 3000) gLen=3000; @@ -198,6 +202,22 @@ int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert) return bestErrCnt; } +//by marshmellow +//encode binary data into binary manchester +int ManchesterEncode(uint8_t *BitStream, size_t size) +{ + size_t modIdx=20000, i=0; + if (size>modIdx) return -1; + for (size_t idx=0; idx < size; idx++){ + BitStream[idx+modIdx++] = BitStream[idx]; + BitStream[idx+modIdx++] = BitStream[idx]^1; + } + for (; i<(size*2); i++){ + BitStream[i] = BitStream[i+20000]; + } + return i; +} + //by marshmellow //take 10 and 01 and manchester decode //run through 2 times and take least errCnt @@ -245,7 +265,6 @@ int manrawdecode(uint8_t * BitStream, size_t *size) return errCnt; } - //by marshmellow //take 01 or 10 = 0 and 11 or 00 = 1 int BiphaseRawDecode(uint8_t *BitStream, size_t *size, int offset, int invert) @@ -282,8 +301,8 @@ int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert) //uint8_t BitStream[502] = {0}; //HACK: if clock not detected correctly - default - if (*clk<8) *clk =64; - if (*clk<32 && clk2==0) *clk=32; + if (clk2==0 && *clk<8) *clk =64; + if (clk2==0 && *clk<32 && clk2==0) *clk=32; if (*invert != 0 && *invert != 1) *invert =0; uint32_t initLoopMax = 200; if (initLoopMax > *size) initLoopMax=*size; @@ -534,12 +553,13 @@ int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t return size; } // loop to get raw HID waveform then FSK demodulate the TAG ID from it -int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_t *lo) +int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo) { - size_t idx=0; //, found=0; //size=0, + size_t idx=0, size2=*size, startIdx=0; // FSK demodulator - size = fskdemod(dest, size,50,0,10,8); + + *size = fskdemod(dest, size2,50,0,10,8); // final loop, go over previously decoded manchester data and decode into usable tag ID // 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0 @@ -547,12 +567,13 @@ int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_ int numshifts = 0; idx = 0; //one scan - while( idx + sizeof(frame_marker_mask) < size) { + while( idx + sizeof(frame_marker_mask) < *size) { // search for a start of frame marker if ( memcmp(dest+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) { // frame marker found + startIdx=idx; idx+=sizeof(frame_marker_mask); - while(dest[idx] != dest[idx+1] && idx < size-2) + while(dest[idx] != dest[idx+1] && idx < *size-2) { // Keep going until next frame marker (or error) // Shift in a bit. Start by shifting high registers @@ -567,12 +588,13 @@ int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_ idx += 2; } // Hopefully, we read a tag and hit upon the next frame marker - if(idx + sizeof(frame_marker_mask) < size) + if(idx + sizeof(frame_marker_mask) < *size) { if ( memcmp(dest+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) { //good return - return idx; + *size=idx-startIdx; + return startIdx; } } // reset @@ -585,6 +607,61 @@ int HIDdemodFSK(uint8_t *dest, size_t size, uint32_t *hi2, uint32_t *hi, uint32_ return -1; } +// loop to get raw paradox waveform then FSK demodulate the TAG ID from it +size_t ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo) +{ + + size_t idx=0, size2=*size; + // FSK demodulator + + *size = fskdemod(dest, size2,50,1,10,8); + + // final loop, go over previously decoded manchester data and decode into usable tag ID + // 00001111 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0 + uint8_t frame_marker_mask[] = {0,0,0,0,1,1,1,1}; + uint16_t numshifts = 0; + idx = 0; + //one scan + while( idx + sizeof(frame_marker_mask) < *size) { + // search for a start of frame marker + if ( memcmp(dest+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) + { // frame marker found + size2=idx; + idx+=sizeof(frame_marker_mask); + while(dest[idx] != dest[idx+1] && idx < *size-2) + { + // Keep going until next frame marker (or error) + // Shift in a bit. Start by shifting high registers + *hi2 = (*hi2<<1)|(*hi>>31); + *hi = (*hi<<1)|(*lo>>31); + //Then, shift in a 0 or one into low + if (dest[idx] && !dest[idx+1]) // 1 0 + *lo=(*lo<<1)|1; + else // 0 1 + *lo=(*lo<<1)|0; + numshifts++; + idx += 2; + } + // Hopefully, we read a tag and hit upon the next frame marker and got enough bits + if(idx + sizeof(frame_marker_mask) < *size && numshifts > 40) + { + if ( memcmp(dest+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) + { + //good return - return start grid position and bits found + *size = ((numshifts*2)+8); + return size2; + } + } + // reset + *hi2 = *hi = *lo = 0; + numshifts = 0; + }else { + idx++; + } + } + return 0; +} + uint32_t bytebits_to_byte(uint8_t* src, size_t numbits) { uint32_t num = 0; @@ -638,10 +715,10 @@ int IOdemodFSK(uint8_t *dest, size_t size) // by marshmellow // pass bits to be tested in bits, length bits passed in bitLen, and parity type (even=0 | odd=1) in pType // returns 1 if passed -int parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType) +uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType) { uint8_t ans = 0; - for (int i = 0; i < bitLen; i++){ + for (uint8_t i = 0; i < bitLen; i++){ ans ^= ((bits >> i) & 1); } //PrintAndLog("DEBUG: ans: %d, ptype: %d",ans,pType); @@ -676,7 +753,7 @@ size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t p int AWIDdemodFSK(uint8_t *dest, size_t size) { static const uint8_t THRESHOLD = 123; - uint32_t idx=0; + uint32_t idx=0, idx2=0; //make sure buffer has data if (size < 96*50) return -1; //test samples are not just noise @@ -694,9 +771,12 @@ int AWIDdemodFSK(uint8_t *dest, size_t size) for( idx=0; idx < (size - 96); idx++) { if ( memcmp(dest + idx, mask, sizeof(mask))==0) { // frame marker found - //return ID start index and size - return idx; - //size should always be 96 + //return ID start index + if (idx2 == 0) idx2=idx; + else if(idx-idx2==96) return idx2; + else return -5; + + // should always get 96 bits if it is awid } } //never found mask @@ -708,8 +788,8 @@ int AWIDdemodFSK(uint8_t *dest, size_t size) int PyramiddemodFSK(uint8_t *dest, size_t size) { static const uint8_t THRESHOLD = 123; - uint32_t idx=0; - // size_t size2 = size; + uint32_t idx=0, idx2=0; + // size_t size2 = size; //make sure buffer has data if (size < 128*50) return -5; //test samples are not just noise @@ -727,78 +807,85 @@ int PyramiddemodFSK(uint8_t *dest, size_t size) for( idx=0; idx < (size - 128); idx++) { if ( memcmp(dest + idx, mask, sizeof(mask))==0) { // frame marker found - return idx; + if (idx2==0) idx2=idx; + else if (idx-idx2==128) return idx2; + else return -3; } } //never found mask return -4; } + // by marshmellow // not perfect especially with lower clocks or VERY good antennas (heavy wave clipping) // maybe somehow adjust peak trimming value based on samples to fix? int DetectASKClock(uint8_t dest[], size_t size, int clock) { - int i=0; - int clk[]={8,16,32,40,50,64,100,128,256}; - int loopCnt = 256; //don't need to loop through entire array... - if (size= peak) || (dest[ii] <= low)){ - errCnt=0; - // now that we have the first one lined up test rest of wave array - for (i=0; i<((int)(size/clk[clkCnt])-1); ++i){ - if (dest[ii+(i*clk[clkCnt])]>=peak || dest[ii+(i*clk[clkCnt])]<=low){ - }else if(dest[ii+(i*clk[clkCnt])-tol]>=peak || dest[ii+(i*clk[clkCnt])-tol]<=low){ - }else if(dest[ii+(i*clk[clkCnt])+tol]>=peak || dest[ii+(i*clk[clkCnt])+tol]<=low){ - }else{ //error no peak detected - errCnt++; - } - } - //if we found no errors this is correct one - return this clock - if(errCnt==0) return clk[clkCnt]; - //if we found errors see if it is lowest so far and save it as best run - if(errCnt= peak) || (dest[ii] <= low)){ + errCnt=0; + // now that we have the first one lined up test rest of wave array + for (i=0; i<((int)((size-ii-tol)/clk[clkCnt])-1); ++i){ + if (dest[ii+(i*clk[clkCnt])]>=peak || dest[ii+(i*clk[clkCnt])]<=low){ + }else if(dest[ii+(i*clk[clkCnt])-tol]>=peak || dest[ii+(i*clk[clkCnt])-tol]<=low){ + }else if(dest[ii+(i*clk[clkCnt])+tol]>=peak || dest[ii+(i*clk[clkCnt])+tol]<=low){ + }else{ //error no peak detected + errCnt++; + } + } + //if we found no errors then we can stop here + // this is correct one - return this clock + //PrintAndLog("DEBUG: clk %d, err %d, ii %d, i %d",clk[clkCnt],errCnt,ii,i); + if(errCnt==0 && clkCnt<6) return clk[clkCnt]; + //if we found errors see if it is lowest so far and save it as best run + if(errCnt= 32){ + for(clkCnt=0; clkCnt < 7; ++clkCnt){ + if (clk[clkCnt] <= 32){ tol=1; }else{ tol=0; @@ -837,7 +924,7 @@ int DetectpskNRZClock(uint8_t dest[], size_t size, int clock) errCnt=0; peakcnt=0; // now that we have the first one lined up test rest of wave array - for (i=0; i < ((int)(size/clk[clkCnt])-1); ++i){ + for (i=0; i < ((int)((size-ii-tol)/clk[clkCnt])-1); ++i){ if (dest[ii+(i*clk[clkCnt])]>=peak || dest[ii+(i*clk[clkCnt])]<=low){ peakcnt++; }else if(dest[ii+(i*clk[clkCnt])-tol]>=peak || dest[ii+(i*clk[clkCnt])-tol]<=low){ diff --git a/common/lfdemod.h b/common/lfdemod.h index ae04bc2fa..9698d8bd6 100644 --- a/common/lfdemod.h +++ b/common/lfdemod.h @@ -17,11 +17,12 @@ 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); +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 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); @@ -34,5 +35,6 @@ 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); uint32_t countFC(uint8_t *BitStream, size_t size); int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo); +size_t ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo); #endif