adjust t55x7 testmode write timing

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index f8a7dec749befb7b9fc8a09450728d98727fe9d2..b3e23cb6a30e28c77c1792b9231a75dd0e97b981 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -22,13 +22,15 @@
 #include "cmdparser.h"// already included in cmdmain.h
 #include "usb_cmd.h"  // already included in cmdmain.h and proxmark3.h
 #include "lfdemod.h"  // for demod code
 #include "cmdparser.h"// already included in cmdmain.h
 #include "usb_cmd.h"  // already included in cmdmain.h and proxmark3.h
 #include "lfdemod.h"  // for demod code

-#include "crc.h"      // for pyramid checksum maxim
-#include "crc16.h"    // for FDXB demod checksum

 #include "loclass/cipherutils.h" // for decimating samples in getsamples
 #include "loclass/cipherutils.h" // for decimating samples in getsamples

+#include "cmdlfem4x.h"// for em410x demod

 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode=0;
 size_t DemodBufferLen=0;
 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode=0;
 size_t DemodBufferLen=0;

+//size_t g_demodStartIdx=0;
+//uint8_t g_demodClock=0;
+

 static int CmdHelp(const char *Cmd);
 
 //set the demod buffer with given array of binary (one bit per byte)
 static int CmdHelp(const char *Cmd);
 
 //set the demod buffer with given array of binary (one bit per byte)


@@ -49,6 +51,24 @@ void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
        return;
 }
 
        return;
 }
 

+// option '1' to save DemodBuffer any other to restore
+void save_restoreDB(uint8_t saveOpt)
+{
+       static uint8_t SavedDB[MAX_GRAPH_TRACE_LEN];
+       static size_t SavedDBlen;
+       static bool DB_Saved = false;
+
+       if (saveOpt==1) { //save
+               memcpy(SavedDB, DemodBuffer, sizeof(DemodBuffer));
+               SavedDBlen = DemodBufferLen;
+               DB_Saved=true;
+       } else if (DB_Saved){ //restore
+               memcpy(DemodBuffer, SavedDB, sizeof(DemodBuffer));
+               DemodBufferLen = SavedDBlen;
+       }
+       return;
+}
+

 int CmdSetDebugMode(const char *Cmd)
 {
        int demod=0;
 int CmdSetDebugMode(const char *Cmd)
 {
        int demod=0;


@@ -156,157 +176,6 @@ int CmdGetBitStream(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-//by marshmellow
-//print 64 bit EM410x ID in multiple formats
-void printEM410x(uint32_t hi, uint64_t id)
-{
-       if (id || hi){
-               uint64_t iii=1;
-               uint64_t id2lo=0;
-               uint32_t ii=0;
-               uint32_t i=0;
-               for (ii=5; ii>0;ii--){
-                       for (i=0;i<8;i++){
-                               id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8)));
-                       }
-               }
-               if (hi){
-                       //output 88 bit em id
-                       PrintAndLog("\nEM TAG ID      : %06X%016" PRIX64, hi, id);
-               } else{
-                       //output 40 bit em id
-                       PrintAndLog("\nEM TAG ID      : %010" PRIX64, id);
-                       PrintAndLog("\nPossible de-scramble patterns");
-                       PrintAndLog("Unique TAG ID  : %010" PRIX64,  id2lo);
-                       PrintAndLog("HoneyWell IdentKey {");
-                       PrintAndLog("DEZ 8          : %08" PRIu64,id & 0xFFFFFF);
-                       PrintAndLog("DEZ 10         : %010" PRIu64,id & 0xFFFFFFFF);
-                       PrintAndLog("DEZ 5.5        : %05lld.%05" PRIu64,(id>>16LL) & 0xFFFF,(id & 0xFFFF));
-                       PrintAndLog("DEZ 3.5A       : %03lld.%05" PRIu64,(id>>32ll),(id & 0xFFFF));
-                       PrintAndLog("DEZ 3.5B       : %03lld.%05" PRIu64,(id & 0xFF000000) >> 24,(id & 0xFFFF));
-                       PrintAndLog("DEZ 3.5C       : %03lld.%05" PRIu64,(id & 0xFF0000) >> 16,(id & 0xFFFF));
-                       PrintAndLog("DEZ 14/IK2     : %014" PRIu64,id);
-                       PrintAndLog("DEZ 15/IK3     : %015" PRIu64,id2lo);
-                       PrintAndLog("DEZ 20/ZK      : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64,
-                           (id2lo & 0xf000000000) >> 36,
-                           (id2lo & 0x0f00000000) >> 32,
-                           (id2lo & 0x00f0000000) >> 28,
-                           (id2lo & 0x000f000000) >> 24,
-                           (id2lo & 0x0000f00000) >> 20,
-                           (id2lo & 0x00000f0000) >> 16,
-                           (id2lo & 0x000000f000) >> 12,
-                           (id2lo & 0x0000000f00) >> 8,
-                           (id2lo & 0x00000000f0) >> 4,
-                           (id2lo & 0x000000000f)
-                       );
-                       uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff))  + 0x143e00;
-                       PrintAndLog("}\nOther          : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64 "",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));  
-                       PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton);
-
-                       uint32_t p1id = (id & 0xFFFFFF);
-                       uint8_t arr[32] = {0x00};
-                       int i =0; 
-                       int j = 23;
-                       for (; i < 24; ++i, --j ){
-                               arr[i] = (p1id >> i) & 1;
-                       }
-
-                       uint32_t p1  = 0;
-
-                       p1 |= arr[23] << 21;
-                       p1 |= arr[22] << 23;
-                       p1 |= arr[21] << 20;
-                       p1 |= arr[20] << 22;
-                               
-                       p1 |= arr[19] << 18;
-                       p1 |= arr[18] << 16;
-                       p1 |= arr[17] << 19;
-                       p1 |= arr[16] << 17;
-                               
-                       p1 |= arr[15] << 13;
-                       p1 |= arr[14] << 15;
-                       p1 |= arr[13] << 12;
-                       p1 |= arr[12] << 14;
-
-                       p1 |= arr[11] << 6;
-                       p1 |= arr[10] << 2;
-                       p1 |= arr[9]  << 7;
-                       p1 |= arr[8]  << 1;
-
-                       p1 |= arr[7]  << 0;
-                       p1 |= arr[6]  << 8;
-                       p1 |= arr[5]  << 11;
-                       p1 |= arr[4]  << 3;
-
-                       p1 |= arr[3]  << 10;
-                       p1 |= arr[2]  << 4;
-                       p1 |= arr[1]  << 5;
-                       p1 |= arr[0]  << 9;
-                       PrintAndLog("Pattern 1      : %d [0x%X]", p1, p1);
-
-                       uint16_t sebury1 = id & 0xFFFF;
-                       uint8_t  sebury2 = (id >> 16) & 0x7F;
-                       uint32_t sebury3 = id & 0x7FFFFF;
-                       PrintAndLog("Pattern Sebury : %d %d %d  [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
-               }
-       }
-       return;
-}
-
-int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
-{
-       size_t idx = 0;
-       size_t BitLen = DemodBufferLen;
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       memcpy(BitStream, DemodBuffer, BitLen); 
-       if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){
-               //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();
-               }
-               if (verbose){
-                       PrintAndLog("EM410x pattern found: ");
-                       printEM410x(*hi, *lo);
-               }
-               return 1;
-       }
-       return 0;
-}
-
-int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
-{
-       bool st = TRUE;
-       if (!ASKDemod_ext(Cmd, FALSE, FALSE, 1, &st)) return 0;
-       return AskEm410xDecode(verbose, hi, lo);
-}
-
-//by marshmellow
-//takes 3 arguments - clock, invert and maxErr as integers
-//attempts to demodulate ask while decoding manchester
-//prints binary found and saves in graphbuffer for further commands
-int CmdAskEM410xDemod(const char *Cmd)
-{
-       char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data askem410xdemod [clock] <0|1> [maxError]");
-               PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
-               PrintAndLog("     <invert>, 1 for invert output");
-               PrintAndLog("     [set maximum allowed errors], default = 100.");
-               PrintAndLog("");
-               PrintAndLog("    sample: data askem410xdemod        = demod an EM410x Tag ID from GraphBuffer");
-               PrintAndLog("          : data askem410xdemod 32     = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
-               PrintAndLog("          : data askem410xdemod 32 1   = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
-               PrintAndLog("          : data askem410xdemod 1      = demod an EM410x Tag ID from GraphBuffer while inverting data");
-               PrintAndLog("          : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
-               return 0;
-       }
-       uint64_t lo = 0;
-       uint32_t hi = 0;
-       return AskEm410xDemod(Cmd, &hi, &lo, true);
-}
-

 //by marshmellow
 //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
 //   (amp may not be needed anymore)
 //by marshmellow
 //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
 //   (amp may not be needed anymore)


@@ -341,11 +210,19 @@ int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType,
                askAmp(BitStream, BitLen); 
        }
        bool st = false;
                askAmp(BitStream, BitLen); 
        }
        bool st = false;

-       if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk);
+       size_t ststart = 0, stend = 0;
+       if (*stCheck) st = DetectST_ext(BitStream, &BitLen, &foundclk, &ststart, &stend);

        if (st) {
                *stCheck = st;
                clk = (clk == 0) ? foundclk : clk;
        if (st) {
                *stCheck = st;
                clk = (clk == 0) ? foundclk : clk;

-               if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator");
+               CursorCPos = ststart;
+               CursorDPos = stend;
+               if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator - First one is shown by orange and blue graph markers");
+               //Graph ST trim (for testing)
+               //for (int i = 0; i < BitLen; i++) {
+               //      GraphBuffer[i] = BitStream[i]-128;
+               //}
+               //RepaintGraphWindow();

        }
        int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askamp, askType);
        if (errCnt<0 || BitLen<16){  //if fatal error (or -1)
        }
        int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askamp, askType);
        if (errCnt<0 || BitLen<16){  //if fatal error (or -1)


@@ -403,13 +280,13 @@ int Cmdaskmandemod(const char *Cmd)
                PrintAndLog("          : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }
                PrintAndLog("          : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }

-       bool st = TRUE;
+       bool st = true;

        if (Cmd[0]=='s') 
        if (Cmd[0]=='s') 

-               return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st);
+               return ASKDemod_ext(Cmd++, true, true, 1, &st);

        else if (Cmd[1] == 's')
        else if (Cmd[1] == 's')

-               return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st);
+               return ASKDemod_ext(Cmd+=2, true, true, 1, &st);

        else
        else

-               return ASKDemod(Cmd, TRUE, TRUE, 1);
+               return ASKDemod(Cmd, true, true, 1);

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -448,7 +325,8 @@ int Cmdmandecoderaw(const char *Cmd)
 
        sscanf(Cmd, "%i %i", &invert, &maxErr);
        size=i;
 
        sscanf(Cmd, "%i %i", &invert, &maxErr);
        size=i;

-       errCnt=manrawdecode(BitStream, &size, invert);
+       uint8_t alignPos = 0;
+       errCnt=manrawdecode(BitStream, &size, invert, &alignPos);

        if (errCnt>=maxErr){
                PrintAndLog("Too many errors: %d",errCnt);
                return 0;
        if (errCnt>=maxErr){
                PrintAndLog("Too many errors: %d",errCnt);
                return 0;


@@ -584,98 +462,7 @@ int Cmdaskbiphdemod(const char *Cmd)
                PrintAndLog("          : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
                return 0;
        }
                PrintAndLog("          : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
                return 0;
        }

-       return ASKbiphaseDemod(Cmd, TRUE);
-}
-
-//by marshmellow
-//attempts to demodulate and identify a G_Prox_II verex/chubb card
-//WARNING: if it fails during some points it will destroy the DemodBuffer data
-// but will leave the GraphBuffer intact.
-//if successful it will push askraw data back to demod buffer ready for emulation
-int CmdG_Prox_II_Demod(const char *Cmd)
-{
-       if (!ASKbiphaseDemod(Cmd, FALSE)){
-               if (g_debugMode) PrintAndLog("Error gProxII: ASKbiphaseDemod failed 1st try");
-               return 0;
-       }
-       size_t size = DemodBufferLen;
-       //call lfdemod.c demod for gProxII
-       int ans = gProxII_Demod(DemodBuffer, &size);
-       if (ans < 0){
-               if (g_debugMode) PrintAndLog("Error gProxII_Demod");
-               return 0;
-       }
-       //got a good demod of 96 bits
-       uint8_t ByteStream[8] = {0x00};
-       uint8_t xorKey=0;
-       size_t startIdx = ans + 6; //start after 6 bit preamble
-
-       uint8_t bits_no_spacer[90];
-       //so as to not mess with raw DemodBuffer copy to a new sample array
-       memcpy(bits_no_spacer, DemodBuffer + startIdx, 90);
-       // remove the 18 (90/5=18) parity bits (down to 72 bits (96-6-18=72))
-       size_t bitLen = removeParity(bits_no_spacer, 0, 5, 3, 90); //source, startloc, paritylen, ptype, length_to_run
-       if (bitLen != 72) {
-               if (g_debugMode) PrintAndLog("Error gProxII: spacer removal did not produce 72 bits: %u, start: %u", bitLen, startIdx);
-               return 0;
-       }
-       // get key and then get all 8 bytes of payload decoded
-       xorKey = (uint8_t)bytebits_to_byteLSBF(bits_no_spacer, 8);
-       for (size_t idx = 0; idx < 8; idx++) {
-               ByteStream[idx] = ((uint8_t)bytebits_to_byteLSBF(bits_no_spacer+8 + (idx*8),8)) ^ xorKey;
-               if (g_debugMode) PrintAndLog("byte %u after xor: %02x", (unsigned int)idx, ByteStream[idx]);
-       }
-       //now ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data
-       // 
-       uint8_t fmtLen = ByteStream[0]>>2;
-       uint32_t FC = 0;
-       uint32_t Card = 0;
-       //get raw 96 bits to print
-       uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32);
-       uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
-       uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32);
-
-       if (fmtLen==36){
-               FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1);
-               Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5);
-               PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card);
-       } else if(fmtLen==26){
-               FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7);
-               Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7);
-               PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card);
-       } else {
-               PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",(int)fmtLen);
-               PrintAndLog("Decoded Raw: %s", sprint_hex(ByteStream, 8)); 
-       }
-       PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3);
-       setDemodBuf(DemodBuffer+ans, 96, 0);
-       return 1;
-}
-
-//by marshmellow
-//see ASKDemod for what args are accepted
-int CmdVikingDemod(const char *Cmd)
-{
-       if (!ASKDemod(Cmd, false, false, 1)) {
-               if (g_debugMode) PrintAndLog("ASKDemod failed");
-               return 0;
-       }
-       size_t size = DemodBufferLen;
-       //call lfdemod.c demod for Viking
-       int ans = VikingDemod_AM(DemodBuffer, &size);
-       if (ans < 0) {
-               if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
-               return 0;
-       }
-       //got a good demod
-       uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
-       uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
-       uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32);
-       uint8_t  checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8);
-       PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, (unsigned int) checksum);
-       PrintAndLog("Raw: %08X%08X", raw1,raw2);
-       setDemodBuf(DemodBuffer+ans, 64, 0);
-       return 1;
+       return ASKbiphaseDemod(Cmd, true);

 }
 
 //by marshmellow - see ASKDemod
 }
 
 //by marshmellow - see ASKDemod


@@ -699,7 +486,7 @@ int Cmdaskrawdemod(const char *Cmd)
                PrintAndLog("          : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
                return 0;
        }
                PrintAndLog("          : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
                return 0;
        }

-       return ASKDemod(Cmd, TRUE, FALSE, 0);
+       return ASKDemod(Cmd, true, false, 0);

 }
 
 int AutoCorrelate(int window, bool SaveGrph, bool verbose)
 }
 
 int AutoCorrelate(int window, bool SaveGrph, bool verbose)


@@ -764,7 +551,7 @@ int CmdAutoCorr(const char *Cmd)
                return usage_data_autocorr();
        int window = 4000; //set default
        char grph=0;
                return usage_data_autocorr();
        int window = 4000; //set default
        char grph=0;

-       bool updateGrph = FALSE;
+       bool updateGrph = false;

        sscanf(Cmd, "%i %c", &window, &grph);
 
        if (window >= GraphTraceLen) {
        sscanf(Cmd, "%i %c", &window, &grph);
 
        if (window >= GraphTraceLen) {


@@ -772,8 +559,8 @@ int CmdAutoCorr(const char *Cmd)
                        GraphTraceLen);
                return 0;
        }
                        GraphTraceLen);
                return 0;
        }

-       if (grph == 'g') updateGrph=TRUE;
-       return AutoCorrelate(window, updateGrph, TRUE);
+       if (grph == 'g') updateGrph=true;
+       return AutoCorrelate(window, updateGrph, true);

 }
 
 int CmdBitsamples(const char *Cmd)
 }
 
 int CmdBitsamples(const char *Cmd)


@@ -1032,560 +819,9 @@ int CmdFSKrawdemod(const char *Cmd)
                PrintAndLog("          : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
                return 0;
        }
                PrintAndLog("          : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
                return 0;
        }

-       return FSKrawDemod(Cmd, TRUE);
-}
-
-//by marshmellow (based on existing demod + holiman's refactor)
-//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
-//print full HID Prox ID and some bit format details if found
-int CmdFSKdemodHID(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);
-       if (BitLen==0) return 0;
-       //get binary from fsk wave
-       int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
-       if (idx<0){
-               if (g_debugMode){
-                       if (idx==-1){
-                               PrintAndLog("DEBUG: Just Noise Detected");
-                       } else if (idx == -2) {
-                               PrintAndLog("DEBUG: Error demoding fsk");
-                       } else if (idx == -3) {
-                               PrintAndLog("DEBUG: Preamble not found");
-                       } else if (idx == -4) {
-                               PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen);
-                       } else {
-                               PrintAndLog("DEBUG: Error demoding fsk %d", idx);
-                       }   
-               }
-               return 0;
-       }
-       if (hi2==0 && hi==0 && lo==0) {
-               if (g_debugMode) PrintAndLog("DEBUG: Error - no values found");
-               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);
-       }
-       else {  //standard HID tags <38 bits
-               uint8_t fmtLen = 0;
-               uint32_t fc = 0;
-               uint32_t cardnum = 0;
-               if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
-                       uint32_t lo2=0;
-                       lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
-                       uint8_t idx3 = 1;
-                       while(lo2>1){ //find last bit set to 1 (format len bit)
-                               lo2=lo2>>1;
-                               idx3++;
-                       }
-                       fmtLen =idx3+19;
-                       fc =0;
-                       cardnum=0;
-                       if(fmtLen==26){
-                               cardnum = (lo>>1)&0xFFFF;
-                               fc = (lo>>17)&0xFF;
-                       }
-                       if(fmtLen==34){
-                               cardnum = (lo>>1)&0xFFFF;
-                               fc= ((hi&1)<<15)|(lo>>17);
-                       }
-                       if(fmtLen==35){
-                               cardnum = (lo>>1)&0xFFFFF;
-                               fc = ((hi&1)<<11)|(lo>>21);
-                       }
-               }
-               else { //if bit 38 is not set then 37 bit format is used
-                       fmtLen = 37;
-                       fc = 0;
-                       cardnum = 0;
-                       if(fmtLen == 37){
-                               cardnum = (lo>>1)&0x7FFFF;
-                               fc = ((hi&0xF)<<12)|(lo>>20);
-                       }
-               }
-               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,idx);
-       if (g_debugMode){ 
-               PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
-               printDemodBuff();
-       }
-       return 1;
-}
-
-//by marshmellow
-//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (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);
-       if (BitLen==0) return 0;
-       //get binary from fsk wave
-       int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
-       if (idx<0){
-               if (g_debugMode){
-                       if (idx==-1){
-                               PrintAndLog("DEBUG: Just Noise Detected");     
-                       } else if (idx == -2) {
-                               PrintAndLog("DEBUG: Error demoding fsk");
-                       } else if (idx == -3) {
-                               PrintAndLog("DEBUG: Preamble not found");
-                       } else if (idx == -4) {
-                               PrintAndLog("DEBUG: Error in Manchester data");
-                       } else {
-                               PrintAndLog("DEBUG: Error demoding fsk %d", idx);
-                       }
-               }
-               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;
-       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);
-
-       PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
-               hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo);
-       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
-int CmdFSKdemodIO(const char *Cmd)
-{
-       int idx=0;
-       //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);
-       if (BitLen==0) return 0;
-
-       //get binary from fsk wave
-       idx = IOdemodFSK(BitStream,BitLen);
-       if (idx<0){
-               if (g_debugMode){
-                       if (idx==-1){
-                               PrintAndLog("DEBUG: Just Noise Detected");     
-                       } else if (idx == -2) {
-                               PrintAndLog("DEBUG: not enough samples");
-                       } else if (idx == -3) {
-                               PrintAndLog("DEBUG: error during fskdemod");        
-                       } else if (idx == -4) {
-                               PrintAndLog("DEBUG: Preamble not found");
-                       } else if (idx == -5) {
-                               PrintAndLog("DEBUG: Separator bits not found");
-                       } else {
-                               PrintAndLog("DEBUG: Error demoding fsk %d", idx);
-                       }
-               }
-               return 0;
-       }
-       if (idx==0){
-               if (g_debugMode){
-                       PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen);
-                       if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16));
-               } 
-               return 0;
-       }
-               //Index map
-               //0           10          20          30          40          50          60
-               //|           |           |           |           |           |           |
-               //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
-               //-----------------------------------------------------------------------------
-               //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
-               //
-               //XSF(version)facility:codeone+codetwo (raw)
-               //Handle the data
-       if (idx+64>BitLen) {
-               if (g_debugMode) 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]);
-       PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]);
-       PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]);
-       PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]);
-       PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]);
-
-       uint32_t code = bytebits_to_byte(BitStream+idx,32);
-       uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32);
-       uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4
-       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
-       uint8_t crc = bytebits_to_byte(BitStream+idx+54,8);
-       uint16_t calccrc = 0;
-
-       for (uint8_t i=1; i<6; ++i){
-               calccrc += bytebits_to_byte(BitStream+idx+9*i,8);
-       }
-       calccrc &= 0xff;
-       calccrc = 0xff - calccrc;
-
-       char *crcStr = (crc == calccrc) ? "crc ok": "!crc";
-
-       PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr);
-       setDemodBuf(BitStream,64,idx);
-       if (g_debugMode){
-               PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
-               printDemodBuff();
-       }
-       return 1;
+       return FSKrawDemod(Cmd, true);

 }
 
 }
 

-//by marshmellow
-//AWID Prox demod - FSK RF/50 with preamble of 00000001  (always a 96 bit data stream)
-//print full AWID Prox ID and some bit format details if found
-int CmdFSKdemodAWID(const char *Cmd)
-{
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       size_t size = getFromGraphBuf(BitStream);
-       if (size==0) return 0;
-
-       //get binary from fsk wave
-       int idx = AWIDdemodFSK(BitStream, &size);
-       if (idx<=0){
-               if (g_debugMode){
-                       if (idx == -1)
-                               PrintAndLog("DEBUG: Error - not enough samples");
-                       else if (idx == -2)
-                               PrintAndLog("DEBUG: Error - only noise found");
-                       else if (idx == -3)
-                               PrintAndLog("DEBUG: Error - problem during FSK demod");
-                       else if (idx == -4)
-                               PrintAndLog("DEBUG: Error - AWID preamble not found");
-                       else if (idx == -5)
-                               PrintAndLog("DEBUG: Error - Size not correct: %d", size);
-                       else
-                               PrintAndLog("DEBUG: Error %d",idx);
-               }
-               return 0;
-       }
-
-       // Index map
-       // 0            10            20            30              40            50              60
-       // |            |             |             |               |             |               |
-       // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96
-       // -----------------------------------------------------------------------------
-       // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1
-       // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96
-       //          |---26 bit---|    |-----117----||-------------142-------------|
-       // b = format bit len, o = odd parity of last 3 bits
-       // f = facility code, c = card number
-       // w = wiegand parity
-       // (26 bit format shown)
- 
-       //get raw ID before removing parities
-       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 (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
-               return 0;
-       }
-       // ok valid card found!
-
-       // Index map
-       // 0           10         20        30          40        50        60
-       // |           |          |         |           |         |         |
-       // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
-       // -----------------------------------------------------------------------------
-       // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
-       // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
-       // |26 bit|   |-117--| |-----142------|
-       // b = format bit len, o = odd parity of last 3 bits
-       // f = facility code, c = card number
-       // w = wiegand parity
-       // (26 bit format shown)
-
-       uint32_t fc = 0;
-       uint32_t cardnum = 0;
-       uint32_t code1 = 0;
-       uint32_t code2 = 0;
-       uint8_t fmtLen = bytebits_to_byte(BitStream,8);
-       if (fmtLen==26){
-               fc = bytebits_to_byte(BitStream+9, 8);
-               cardnum = bytebits_to_byte(BitStream+17, 16);
-               code1 = bytebits_to_byte(BitStream+8,fmtLen);
-               PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
-       } else {
-               cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
-               if (fmtLen>32){
-                       code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
-                       code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
-                       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
-               } else{
-                       code1 = bytebits_to_byte(BitStream+8,fmtLen);
-                       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%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;
-}
-
-//by marshmellow
-//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001  (always a 128 bit data stream)
-//print full Farpointe Data/Pyramid Prox ID and some bit format details if found
-int CmdFSKdemodPyramid(const char *Cmd)
-{
-       //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);
-       if (size==0) return 0;
-
-       //get binary from fsk wave
-       int idx = PyramiddemodFSK(BitStream, &size);
-       if (idx < 0){
-               if (g_debugMode){
-                       if (idx == -5)
-                               PrintAndLog("DEBUG: Error - not enough samples");
-                       else if (idx == -1)
-                               PrintAndLog("DEBUG: Error - only noise found");
-                       else if (idx == -2)
-                               PrintAndLog("DEBUG: Error - problem during FSK demod");
-                       else if (idx == -3)
-                               PrintAndLog("DEBUG: Error - Size not correct: %d", size);
-                       else if (idx == -4)
-                               PrintAndLog("DEBUG: Error - Pyramid preamble not found");
-                       else
-                               PrintAndLog("DEBUG: Error - idx: %d",idx);
-               }
-               return 0;
-       }
-       // Index map
-       // 0           10          20          30            40          50          60
-       // |           |           |           |             |           |           |
-       // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
-       // -----------------------------------------------------------------------------
-       // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
-       // premable  xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
-
-       // 64    70            80          90          100         110           120
-       // |     |             |           |           |           |             |
-       // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
-       // -----------------------------------------------------------------------------
-       // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
-       // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
-       //                                  |---115---||---------71---------|
-       // s = format start bit, o = odd parity of last 7 bits
-       // f = facility code, c = card number
-       // w = wiegand parity, x = extra space for other formats
-       // p = unknown checksum
-       // (26 bit format shown)
-
-       //get bytes for checksum calc
-       uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8);
-       uint8_t csBuff[14] = {0x00};
-       for (uint8_t i = 0; i < 13; i++){
-               csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8);
-       }
-       //check checksum calc
-       //checksum calc thanks to ICEMAN!!
-       uint32_t checkCS =  CRC8Maxim(csBuff,13);
-
-       //get raw ID before removing parities
-       uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32);
-       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 (g_debugMode) 
-                       PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3);
-               return 0;
-       }
-
-       // ok valid card found!
-
-       // Index map
-       // 0         10        20        30        40        50        60        70
-       // |         |         |         |         |         |         |         |
-       // 01234567890123456789012345678901234567890123456789012345678901234567890
-       // -----------------------------------------------------------------------
-       // 00000000000000000000000000000000000000000000000000000000000000000000000
-       // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
-
-       // 71         80         90          100
-       // |          |          |           |
-       // 1 2 34567890 1234567890123456 7 8901234
-       // ---------------------------------------
-       // 1 1 01110011 0000000001000110 0 1001010
-       // s w ffffffff cccccccccccccccc w ppppppp
-       //     |--115-| |------71------|
-       // s = format start bit, o = odd parity of last 7 bits
-       // f = facility code, c = card number
-       // w = wiegand parity, x = extra space for other formats
-       // p = unknown checksum
-       // (26 bit format shown)
-
-       //find start bit to get fmtLen
-       int j;
-       for (j=0; j<size; j++){
-               if(BitStream[j]) break;
-       }
-       uint8_t fmtLen = size-j-8;
-       uint32_t fc = 0;
-       uint32_t cardnum = 0;
-       uint32_t code1 = 0;
-       if (fmtLen==26){
-               fc = bytebits_to_byte(BitStream+73, 8);
-               cardnum = bytebits_to_byte(BitStream+81, 16);
-               code1 = bytebits_to_byte(BitStream+72,fmtLen);
-               PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo);
-       } else if (fmtLen==45){
-               fmtLen=42; //end = 10 bits not 7 like 26 bit fmt
-               fc = bytebits_to_byte(BitStream+53, 10);
-               cardnum = bytebits_to_byte(BitStream+63, 32);
-               PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo);
-       } else {
-               cardnum = bytebits_to_byte(BitStream+81, 16);
-               if (fmtLen>32){
-                       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
-                       //code2 = bytebits_to_byte(BitStream+(size-32),32);
-                       PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
-               } else{
-                       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
-                       PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
-               }
-       }
-       if (checksum == checkCS)
-               PrintAndLog("Checksum %02x passed", checksum);
-       else
-               PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS);
-
-       if (g_debugMode){
-               PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
-               printDemodBuff();
-       }
-       return 1;
-}
-
-// FDX-B ISO11784/85 demod  (aka animal tag)  BIPHASE, inverted, rf/32,  with preamble of 00000000001 (128bits)
-// 8 databits + 1 parity (1)
-// CIITT 16 chksum
-// NATIONAL CODE, ICAR database
-// COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
-// FLAG (animal/non-animal)
-/*
-38 IDbits   
-10 country code 
-1 extra app bit
-14 reserved bits
-1 animal bit
-16 ccitt CRC chksum over 64bit ID CODE.
-24 appli bits.
-
--- sample: 985121004515220  [ 37FF65B88EF94 ]
-*/
-int CmdFDXBdemodBI(const char *Cmd){
-
-       int invert = 1;
-       int clk = 32;           
-       int errCnt = 0;
-       int maxErr = 0;
-       uint8_t BitStream[MAX_DEMOD_BUF_LEN];   
-       size_t size = getFromGraphBuf(BitStream);       
-       
-       errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);
-       if ( errCnt < 0 || errCnt > maxErr ) { 
-               if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);
-               return 0;
-       }
-
-       errCnt = BiphaseRawDecode(BitStream, &size, maxErr, 1);
-       if (errCnt < 0 || errCnt > maxErr ) {
-               if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
-               return 0;
-       } 
-
-       int preambleIndex = FDXBdemodBI(BitStream, &size);
-       if (preambleIndex < 0){
-               if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
-               return 0;
-       }
-       if (size != 128) {
-               if (g_debugMode) PrintAndLog("Error incorrect data length found");
-               return 0;
-       }
-
-       setDemodBuf(BitStream, 128, preambleIndex);
-
-       // remove marker bits (1's every 9th digit after preamble) (pType = 2)
-       size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117);
-       if ( size != 104 ) {
-               if (g_debugMode) PrintAndLog("Error removeParity:: %d", size);
-               return 0;
-       }
-       if (g_debugMode) {
-               char *bin = sprint_bin_break(BitStream,size,16);
-               PrintAndLog("DEBUG BinStream:\n%s",bin);
-       }
-       PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:");
-       if (g_debugMode) PrintAndLog("Start marker %d;   Size %d", preambleIndex, size);
-
-       //got a good demod
-       uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32);
-       uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10);
-       uint8_t dataBlockBit = BitStream[48];
-       uint32_t reservedCode = bytebits_to_byteLSBF(BitStream+49,14);
-       uint8_t animalBit = BitStream[63];
-       uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16);
-       uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24);
-
-       uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32);
-       uint8_t raw[8];
-       num_to_bytes(rawid, 8, raw);
-
-       if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8));
-
-       uint16_t calcCrc = crc16_ccitt_kermit(raw, 8);
-       PrintAndLog("Animal ID:     %04u-%012" PRIu64, countryCode, NationalCode);
-       PrintAndLog("National Code: %012" PRIu64, NationalCode);
-       PrintAndLog("CountryCode:   %04u", countryCode);
-       PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False");
-       PrintAndLog("reserved Code: %u", reservedCode);
-       PrintAndLog("Animal Tag:    %s", animalBit ? "True" : "False");
-       PrintAndLog("CRC:           0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed");
-       PrintAndLog("Extended:      0x%X\n", extended);
-       
-       return 1;
-}
-
-

 //by marshmellow
 //attempt to psk1 demod graph buffer
 int PSKDemod(const char *Cmd, bool verbose)
 //by marshmellow
 //attempt to psk1 demod graph buffer
 int PSKDemod(const char *Cmd, bool verbose)


@@ -1605,14 +841,6 @@ int PSKDemod(const char *Cmd, bool verbose)
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;

-       uint8_t carrier=countFC(BitStream, BitLen, 0);
-       if (carrier!=2 && carrier!=4 && carrier!=8){
-               //invalid carrier
-               return 0;
-       }
-       if (g_debugMode){
-               PrintAndLog("Carrier: rf/%d",carrier);
-       }

        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){
        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){


@@ -1634,98 +862,6 @@ int PSKDemod(const char *Cmd, bool verbose)
        return 1;
 }
 
        return 1;
 }
 

-// Indala 26 bit decode
-// by marshmellow
-// optional arguments - same as CmdpskNRZrawDemod (clock & invert)
-int CmdIndalaDecode(const char *Cmd)
-{
-       int ans;
-       if (strlen(Cmd)>0){
-               ans = PSKDemod(Cmd, 0);
-       } else{ //default to RF/32
-               ans = PSKDemod("32", 0);
-       }
-
-       if (!ans){
-               if (g_debugMode) 
-                       PrintAndLog("Error1: %d",ans);
-               return 0;
-       }
-       uint8_t invert=0;
-       size_t size = DemodBufferLen;
-       int startIdx = indala26decode(DemodBuffer, &size, &invert);
-       if (startIdx < 0 || size > 224) {
-               if (g_debugMode)
-                       PrintAndLog("Error2: %d",ans);
-               return -1;
-       }
-       setDemodBuf(DemodBuffer, size, (size_t)startIdx);
-       if (invert)
-               if (g_debugMode)
-                       PrintAndLog("Had to invert bits");
-
-       PrintAndLog("BitLen: %d",DemodBufferLen);
-       //convert UID to HEX
-       uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
-       uid1=bytebits_to_byte(DemodBuffer,32);
-       uid2=bytebits_to_byte(DemodBuffer+32,32);
-       if (DemodBufferLen==64) {
-               PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2);
-       } else {
-               uid3=bytebits_to_byte(DemodBuffer+64,32);
-               uid4=bytebits_to_byte(DemodBuffer+96,32);
-               uid5=bytebits_to_byte(DemodBuffer+128,32);
-               uid6=bytebits_to_byte(DemodBuffer+160,32);
-               uid7=bytebits_to_byte(DemodBuffer+192,32);
-               PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", 
-                   sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2, uid3, uid4, uid5, uid6, uid7);
-       }
-       if (g_debugMode){
-               PrintAndLog("DEBUG: printing demodbuffer:");
-               printDemodBuff();
-       }
-       return 1;
-}
-
-int CmdPSKNexWatch(const char *Cmd)
-{
-       if (!PSKDemod("", false)) return 0;
-       uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-       size_t startIdx = 0, size = DemodBufferLen; 
-       bool invert = false;
-       if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){
-               // if didn't find preamble try again inverting
-               if (!PSKDemod("1", false)) return 0; 
-               size = DemodBufferLen;
-               if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0;
-               invert = true;
-       } 
-       if (size != 128) return 0;
-       setDemodBuf(DemodBuffer, size, startIdx+4);
-       startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
-       //get ID
-       uint32_t ID = 0;
-       for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){
-               for (uint8_t idx=0; idx<8; idx++){
-                       ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)];
-               }       
-       }
-       //parity check (TBD)
-
-       //checksum check (TBD)
-
-       //output
-       PrintAndLog("NexWatch ID: %d", ID);
-       if (invert){
-               PrintAndLog("Had to Invert - probably NexKey");
-               for (uint8_t idx=0; idx<size; idx++)
-                       DemodBuffer[idx] ^= 1;
-       } 
-
-       CmdPrintDemodBuff("x");
-       return 1;
-}
-

 // by marshmellow
 // takes 3 arguments - clock, invert, maxErr as integers
 // attempts to demodulate nrz only
 // by marshmellow
 // takes 3 arguments - clock, invert, maxErr as integers
 // attempts to demodulate nrz only


@@ -1748,7 +884,8 @@ int NRZrawDemod(const char *Cmd, bool verbose)
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        int errCnt=0;
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        int errCnt=0;

-       errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert);
+       int clkStartIdx = 0;
+       errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, &clkStartIdx);

        if (errCnt > maxErr){
                if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
                return 0;
        if (errCnt > maxErr){
                if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
                return 0;


@@ -1786,7 +923,7 @@ int CmdNRZrawDemod(const char *Cmd)
                PrintAndLog("          : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }
                PrintAndLog("          : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }

-       return NRZrawDemod(Cmd, TRUE);
+       return NRZrawDemod(Cmd, true);

 }
 
 // by marshmellow
 }
 
 // by marshmellow


@@ -1810,7 +947,7 @@ int CmdPSK1rawDemod(const char *Cmd)
                PrintAndLog("          : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }
                PrintAndLog("          : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
                return 0;
        }

-       ans = PSKDemod(Cmd, TRUE);
+       ans = PSKDemod(Cmd, true);

        //output
        if (!ans){
                if (g_debugMode) PrintAndLog("Error demoding: %d",ans); 
        //output
        if (!ans){
                if (g_debugMode) PrintAndLog("Error demoding: %d",ans); 


@@ -1842,7 +979,7 @@ int CmdPSK2rawDemod(const char *Cmd)
                PrintAndLog("          : data rawdemod p2 64 1 0  = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
                return 0;
        }
                PrintAndLog("          : data rawdemod p2 64 1 0  = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
                return 0;
        }

-       ans=PSKDemod(Cmd, TRUE);
+       ans=PSKDemod(Cmd, true);

        if (!ans){
                if (g_debugMode) PrintAndLog("Error demoding: %d",ans);  
                return 0;
        if (!ans){
                if (g_debugMode) PrintAndLog("Error demoding: %d",ans);  
                return 0;


@@ -1907,6 +1044,12 @@ int CmdGrid(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

+int CmdSetGraphMarkers(const char *Cmd) {
+       sscanf(Cmd, "%i %i", &CursorCPos, &CursorDPos);
+       RepaintGraphWindow();
+       return 0;
+}
+

 int CmdHexsamples(const char *Cmd)
 {
        int i, j;
 int CmdHexsamples(const char *Cmd)
 {
        int i, j;


@@ -2160,6 +1303,22 @@ int CmdRtrim(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

+// trim graph (middle) piece
+int CmdMtrim(const char *Cmd) {
+       int start = 0, stop = 0;
+       sscanf(Cmd, "%i %i", &start, &stop);
+
+       if (start > GraphTraceLen       || stop > GraphTraceLen || start > stop) return 0;
+       start++; //leave start position sample
+
+       GraphTraceLen = stop - start;
+       for (int i = 0; i < GraphTraceLen; i++) {
+               GraphBuffer[i] = GraphBuffer[start+i];
+       }
+       return 0;
+}
+
+

 int CmdNorm(const char *Cmd)
 {
        int i;
 int CmdNorm(const char *Cmd)
 {
        int i;


@@ -2239,13 +1398,13 @@ int CmdDirectionalThreshold(const char *Cmd)
                if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
                if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.

-                       GraphBuffer[i] = 1;
+                       GraphBuffer[i] = 127;

                }
                // Apply second threshold to samples heading down
                else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
                }
                // Apply second threshold to samples heading down
                else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.

-                       GraphBuffer[i] = -1;
+                       GraphBuffer[i] = -127;

                }
                else
                {
                }
                else
                {


@@ -2384,9 +1543,6 @@ static command_t CommandTable[] =
 {
        {"help",            CmdHelp,            1, "This help"},
        {"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
 {
        {"help",            CmdHelp,            1, "This help"},
        {"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},

-       {"askem410xdemod",  CmdAskEM410xDemod,  1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
-       {"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"},
-       {"askvikingdemod",  CmdVikingDemod,     1, "Demodulate a Viking tag from GraphBuffer"},

        {"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
        {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
        {"bin2hex",         Cmdbin2hex,         1, "bin2hex <digits>     -- Converts binary to hexadecimal"},
        {"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
        {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
        {"bin2hex",         Cmdbin2hex,         1, "bin2hex <digits>     -- Converts binary to hexadecimal"},


@@ -2394,13 +1550,7 @@ static command_t CommandTable[] =
        {"buffclear",       CmdBuffClear,       1, "Clear sample buffer and graph window"},
        {"dec",             CmdDec,             1, "Decimate samples"},
        {"detectclock",     CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
        {"buffclear",       CmdBuffClear,       1, "Clear sample buffer and graph window"},
        {"dec",             CmdDec,             1, "Decimate samples"},
        {"detectclock",     CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},

-       {"fdxbdemod",       CmdFDXBdemodBI    , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
-       {"fskawiddemod",    CmdFSKdemodAWID,    1, "Demodulate an AWID FSK tag from GraphBuffer"},

        //{"fskfcdetect",   CmdFSKfcDetect,     1, "Try to detect the Field Clock of an FSK wave"},
        //{"fskfcdetect",   CmdFSKfcDetect,     1, "Try to detect the Field Clock of an FSK wave"},

-       {"fskhiddemod",     CmdFSKdemodHID,     1, "Demodulate a HID FSK tag from GraphBuffer"},
-       {"fskiodemod",      CmdFSKdemodIO,      1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
-       {"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
-       {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},

        {"getbitstream",    CmdGetBitStream,    1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
        {"grid",            CmdGrid,            1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
        {"hexsamples",      CmdHexsamples,      0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
        {"getbitstream",    CmdGetBitStream,    1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
        {"grid",            CmdGrid,            1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
        {"hexsamples",      CmdHexsamples,      0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},


@@ -2410,15 +1560,15 @@ static command_t CommandTable[] =
        {"load",            CmdLoad,            1, "<filename> -- Load trace (to graph window"},
        {"ltrim",           CmdLtrim,           1, "<samples> -- Trim samples from left of trace"},
        {"rtrim",           CmdRtrim,           1, "<location to end trace> -- Trim samples from right of trace"},
        {"load",            CmdLoad,            1, "<filename> -- Load trace (to graph window"},
        {"ltrim",           CmdLtrim,           1, "<samples> -- Trim samples from left of trace"},
        {"rtrim",           CmdRtrim,           1, "<location to end trace> -- Trim samples from right of trace"},

+       {"mtrim",           CmdMtrim,           1, "<start> <stop> -- Trim out samples from the specified start to the specified stop"},

        {"manrawdecode",    Cmdmandecoderaw,    1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
        {"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
        {"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
        {"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
        {"manrawdecode",    Cmdmandecoderaw,    1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
        {"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
        {"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
        {"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},

-       {"pskindalademod",  CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
-       {"psknexwatchdemod",CmdPSKNexWatch,     1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},

        {"rawdemod",        CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},  
        {"samples",         CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
        {"save",            CmdSave,            1, "<filename> -- Save trace (from graph window)"},
        {"rawdemod",        CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},  
        {"samples",         CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
        {"save",            CmdSave,            1, "<filename> -- Save trace (from graph window)"},

+       {"setgraphmarkers", CmdSetGraphMarkers, 1, "[orange_marker] [blue_marker] (in graph window)"},

        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},
        {"setdebugmode",    CmdSetDebugMode,    1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},
        {"setdebugmode",    CmdSetDebugMode,    1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},