FIX; the "L" optional parameter for swapping endianess on used authentication key...

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 5595998445db159118df4cdceb26d81e8e259359..7514e4282b4474ade64ac3ad1501729c9a8bd89d 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -26,7 +26,7 @@
 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode;
 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode;

-int DemodBufferLen;
+size_t DemodBufferLen;

 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)


@@ -58,37 +58,16 @@ int CmdSetDebugMode(const char *Cmd)
 //by marshmellow
 void printDemodBuff(void)
 {
 //by marshmellow
 void printDemodBuff(void)
 {

-       uint32_t i = 0;

        int bitLen = DemodBufferLen;
        int bitLen = DemodBufferLen;

-       if (bitLen<16) {
+       if (bitLen<1) {

                PrintAndLog("no bits found in demod buffer");
                return;
        }
        if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty
 
                PrintAndLog("no bits found in demod buffer");
                return;
        }
        if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty
 

-       // ensure equally divided by 16
-       bitLen &= 0xfff0;
-
-       for (i = 0; i <= (bitLen-16); i+=16) {
-               PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
-                   DemodBuffer[i],
-                   DemodBuffer[i+1],
-                   DemodBuffer[i+2],
-                   DemodBuffer[i+3],
-                   DemodBuffer[i+4],
-                   DemodBuffer[i+5],
-                   DemodBuffer[i+6],
-                   DemodBuffer[i+7],
-                   DemodBuffer[i+8],
-                   DemodBuffer[i+9],
-                   DemodBuffer[i+10],
-                   DemodBuffer[i+11],
-                   DemodBuffer[i+12],
-                   DemodBuffer[i+13],
-                   DemodBuffer[i+14],
-                   DemodBuffer[i+15]
-               );
-       }
+       char *bin = sprint_bin_break(DemodBuffer,bitLen,16);
+       PrintAndLog("%s",bin);
+

        return;
 }
 
        return;
 }
 


@@ -96,7 +75,7 @@ int CmdPrintDemodBuff(const char *Cmd)
 {
        char hex;
        char printBuff[512]={0x00};
 {
        char hex;
        char printBuff[512]={0x00};

-       uint8_t numBits = DemodBufferLen & 0xFFF0;
+       uint8_t numBits = DemodBufferLen & 0xFFFC;

        sscanf(Cmd, "%c", &hex);
        if (hex == 'h'){
                PrintAndLog("Usage: data printdemodbuffer [x]");
        sscanf(Cmd, "%c", &hex);
        if (hex == 'h'){
                PrintAndLog("Usage: data printdemodbuffer [x]");


@@ -114,105 +93,8 @@ int CmdPrintDemodBuff(const char *Cmd)
        }
        return 1;
 }
        }
        return 1;
 }

-int CmdAmp(const char *Cmd)
-{
-       int i, rising, falling;
-       int max = INT_MIN, min = INT_MAX;
-
-       for (i = 10; i < GraphTraceLen; ++i) {
-               if (GraphBuffer[i] > max)
-                       max = GraphBuffer[i];
-               if (GraphBuffer[i] < min)
-                       min = GraphBuffer[i];
-       }
-
-       if (max != min) {
-               rising = falling= 0;
-               for (i = 0; i < GraphTraceLen; ++i) {
-                       if (GraphBuffer[i + 1] < GraphBuffer[i]) {
-                               if (rising) {
-                                       GraphBuffer[i] = max;
-                                       rising = 0;
-                               }
-                               falling = 1;
-                       }
-                       if (GraphBuffer[i + 1] > GraphBuffer[i]) {
-                               if (falling) {
-                                       GraphBuffer[i] = min;
-                                       falling = 0;
-                               }
-                               rising= 1;
-                       }
-               }
-       }
-       RepaintGraphWindow();
-       return 0;
-}
-
-/*
- * Generic command to demodulate ASK.
- *
- * Argument is convention: positive or negative (High mod means zero
- * or high mod means one)
- *
- * Updates the Graph trace with 0/1 values
- *
- * Arguments:
- * c : 0 or 1  (or invert)
- */
- //this method ignores the clock
-
- //this function strictly converts highs and lows to 1s and 0s for each sample in the graphbuffer
-int Cmdaskdemod(const char *Cmd)
-{
-       int i;
-       int c, high = 0, low = 0;
-
-       sscanf(Cmd, "%i", &c);
-
-       /* Detect high and lows */
-       for (i = 0; i < GraphTraceLen; ++i)
-       {
-               if (GraphBuffer[i] > high)
-                       high = GraphBuffer[i];
-               else if (GraphBuffer[i] < low)
-                       low = GraphBuffer[i];
-       }
-       high=abs(high*.75);
-       low=abs(low*.75);
-       if (c != 0 && c != 1) {
-               PrintAndLog("Invalid argument: %s", Cmd);
-               return 0;
-       }
-       //prime loop
-       if (GraphBuffer[0] > 0) {
-               GraphBuffer[0] = 1-c;
-       } else {
-               GraphBuffer[0] = c;
-       }
-       for (i = 1; i < GraphTraceLen; ++i) {
-               /* Transitions are detected at each peak
-                * Transitions are either:
-                * - we're low: transition if we hit a high
-                * - we're high: transition if we hit a low
-                * (we need to do it this way because some tags keep high or
-                * low for long periods, others just reach the peak and go
-                * down)
-                */
-               //[marhsmellow] change == to >= for high and <= for low for fuzz
-               if ((GraphBuffer[i] >= high) && (GraphBuffer[i - 1] == c)) {
-                       GraphBuffer[i] = 1 - c;
-               } else if ((GraphBuffer[i] <= low) && (GraphBuffer[i - 1] == (1 - c))){
-                       GraphBuffer[i] = c;
-               } else {
-                       /* No transition */
-                       GraphBuffer[i] = GraphBuffer[i - 1];
-               }
-       }
-       RepaintGraphWindow();
-       return 0;
-}

 
 

+//by marshmellow

 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
 int CmdGetBitStream(const char *Cmd)
 {
 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
 int CmdGetBitStream(const char *Cmd)
 {


@@ -229,43 +111,6 @@ int CmdGetBitStream(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-
-//by marshmellow
-void printBitStream(uint8_t BitStream[], uint32_t bitLen)
-{
-       uint32_t i = 0;
-       if (bitLen<16) {
-               PrintAndLog("Too few bits found: %d",bitLen);
-               return;
-       }
-       if (bitLen>512) bitLen=512;
-
-               // ensure equally divided by 16
-       bitLen &= 0xfff0;
-
-
-       for (i = 0; i <= (bitLen-16); i+=16) {
-               PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
-                   BitStream[i],
-                   BitStream[i+1],
-                   BitStream[i+2],
-                   BitStream[i+3],
-                   BitStream[i+4],
-                   BitStream[i+5],
-                   BitStream[i+6],
-                   BitStream[i+7],
-                   BitStream[i+8],
-                   BitStream[i+9],
-                   BitStream[i+10],
-                   BitStream[i+11],
-                   BitStream[i+12],
-                   BitStream[i+13],
-                   BitStream[i+14],
-                   BitStream[i+15]
-               );
-       }
-       return;
-}

 //by marshmellow
 //print 64 bit EM410x ID in multiple formats
 void printEM410x(uint32_t hi, uint64_t id)
 //by marshmellow
 //print 64 bit EM410x ID in multiple formats
 void printEM410x(uint32_t hi, uint64_t id)


@@ -282,11 +127,11 @@ void printEM410x(uint32_t hi, uint64_t id)
                }
                if (hi){
                        //output 88 bit em id
                }
                if (hi){
                        //output 88 bit em id

-                       PrintAndLog("\nEM TAG ID      : %06x%016llx", hi, id);
+                       PrintAndLog("\nEM TAG ID      : %06X%016llX", hi, id);

                } else{
                        //output 40 bit em id
                } else{
                        //output 40 bit em id

-                       PrintAndLog("\nEM TAG ID      : %010llx", id);
-                       PrintAndLog("Unique TAG ID  : %010llx",  id2lo);
+                       PrintAndLog("\nEM TAG ID      : %010llX", id);
+                       PrintAndLog("Unique TAG ID  : %010llX",  id2lo);

                        PrintAndLog("\nPossible de-scramble patterns");
                        PrintAndLog("HoneyWell IdentKey {");
                        PrintAndLog("DEZ 8          : %08lld",id & 0xFFFFFF);
                        PrintAndLog("\nPossible de-scramble patterns");
                        PrintAndLog("HoneyWell IdentKey {");
                        PrintAndLog("DEZ 8          : %08lld",id & 0xFFFFFF);


@@ -311,7 +156,7 @@ void printEM410x(uint32_t hi, uint64_t id)
                        );
                        uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff))  + 0x143e00;
                        PrintAndLog("}\nOther          : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));  
                        );
                        uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff))  + 0x143e00;
                        PrintAndLog("}\nOther          : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));  

-                       PrintAndLog("Pattern Paxton : %0d", paxton);
+                       PrintAndLog("Pattern Paxton : %lld [0x%llX]", paxton, paxton);

 
                        uint32_t p1id = (id & 0xFFFFFF);
                        uint8_t arr[32] = {0x00};
 
                        uint32_t p1id = (id & 0xFFFFFF);
                        uint8_t arr[32] = {0x00};


@@ -352,33 +197,45 @@ void printEM410x(uint32_t hi, uint64_t id)
                        p1 |= arr[2]  << 4;
                        p1 |= arr[1]  << 5;
                        p1 |= arr[0]  << 9;
                        p1 |= arr[2]  << 4;
                        p1 |= arr[1]  << 5;
                        p1 |= arr[0]  << 9;

-                       PrintAndLog("Pattern 1      : 0x%X - %d", p1, p1);
+                       PrintAndLog("Pattern 1      : %d [0x%X]", p1, p1);

 
                        uint16_t sebury1 = id & 0xFFFF;
                        uint8_t  sebury2 = (id >> 16) & 0x7F;
                        uint32_t sebury3 = id & 0x7FFFFF;
 
                        uint16_t sebury1 = id & 0xFFFF;
                        uint8_t  sebury2 = (id >> 16) & 0x7F;
                        uint32_t sebury3 = id & 0x7FFFFF;

-                       PrintAndLog("Pattern Sebury : %d %d %d  (hex: %X %X %X)", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);
+                       PrintAndLog("Pattern Sebury : %d %d %d  [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3);

                }
        }
        return;
 }
 
                }
        }
        return;
 }
 

-
-int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo)
+int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )

 {
 {

-       int ans = ASKmanDemod(Cmd, FALSE, FALSE);
-       if (!ans) return 0;
-
-       size_t idx=0;
-       if (Em410xDecode(DemodBuffer,(size_t *) &DemodBufferLen, &idx, hi, 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){
                if (g_debugMode){

-                       PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, DemodBufferLen);
+                       PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);

                        printDemodBuff();
                }
                        printDemodBuff();
                }

+               if (verbose){
+                       PrintAndLog("EM410x pattern found: ");
+                       printEM410x(*hi, *lo);
+               }

                return 1;
        }
        return 0;
 }
                return 1;
        }
        return 0;
 }

+
+int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
+{
+       if (!ASKDemod(Cmd, FALSE, FALSE, 1)) 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
 //by marshmellow
 //takes 3 arguments - clock, invert and maxErr as integers
 //attempts to demodulate ask while decoding manchester


@@ -399,27 +256,28 @@ int CmdAskEM410xDemod(const char *Cmd)
                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;
        }
                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;
        }

-       uint32_t hi = 0;

        uint64_t lo = 0;
        uint64_t lo = 0;

-       if (AskEm410xDemod(Cmd, &hi, &lo)) {
-               PrintAndLog("EM410x pattern found: ");
-               printEM410x(hi, lo);
-               return 1;
-       }
-       return 0;
+       uint32_t hi = 0;
+       return AskEm410xDemod(Cmd, &hi, &lo, true);

 }
 
 }
 

-int ASKmanDemod(const char *Cmd, bool verbose, bool emSearch)
+//by marshmellow
+//Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
+//   (amp may not be needed anymore)
+//verbose will print results and demoding messages
+//emSearch will auto search for EM410x format in bitstream
+//askType switches decode: ask/raw = 0, ask/manchester = 1 
+int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)

 {
        int invert=0;
        int clk=0;
        int maxErr=100;
 {
        int invert=0;
        int clk=0;
        int maxErr=100;

-       //param_getdec(Cmd, 0, &clk);
-       //param_getdec(Cmd, 1, &invert);
-       //maxErr = param_get32ex(Cmd, 2, 0xFFFFFFFF, 10);
-       //if (maxErr == 0xFFFFFFFF) maxErr=100;
+       int maxLen=0;
+       uint8_t askAmp = 0;
+       char amp = param_getchar(Cmd, 0);

        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

-       sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
+       sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &amp);
+       if (!maxLen) maxLen = 512*64;

        if (invert != 0 && invert != 1) {
                PrintAndLog("Invalid argument: %s", Cmd);
                return 0;
        if (invert != 0 && invert != 1) {
                PrintAndLog("Invalid argument: %s", Cmd);
                return 0;


@@ -428,56 +286,55 @@ int ASKmanDemod(const char *Cmd, bool verbose, bool emSearch)
                invert=1;
                clk=0;
        }
                invert=1;
                clk=0;
        }

+       if (amp == 'a' || amp == 'A') askAmp=1; 

        size_t BitLen = getFromGraphBuf(BitStream);
        size_t BitLen = getFromGraphBuf(BitStream);

-       if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
-       if (BitLen==0) return 0;
-       int errCnt=0;
-       errCnt = askmandemod(BitStream, &BitLen, &clk, &invert, maxErr);
-       if (errCnt<0||BitLen<16){  //if fatal error (or -1)
-               if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
+       if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
+       if (BitLen<255) return 0;
+       if (maxLen<BitLen && maxLen != 0) BitLen = maxLen;
+
+       int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp, askType);
+       if (errCnt<0 || BitLen<16){  //if fatal error (or -1)
+               if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);

                return 0;
        }
                return 0;
        }

-       if (verbose || g_debugMode) PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
+       if (errCnt>maxErr){
+               if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk);
+               return 0;
+       }
+       if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen);

 
        //output
 
        //output

-       if (errCnt>0){
-               if (verbose || g_debugMode) PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
-       }
-       if (verbose || g_debugMode) PrintAndLog("ASK/Manchester decoded bitstream:");
-       // Now output the bitstream to the scrollback by line of 16 bits

        setDemodBuf(BitStream,BitLen,0);
        setDemodBuf(BitStream,BitLen,0);

-       if (verbose || g_debugMode) printDemodBuff();
-       uint64_t lo =0;
-       uint32_t hi =0;
-       size_t idx=0;
+       if (verbose || g_debugMode){
+               if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
+               if (askType) PrintAndLog("ASK/Manchester decoded bitstream:");
+               else PrintAndLog("ASK/Raw decoded bitstream:");
+               // Now output the bitstream to the scrollback by line of 16 bits
+               printDemodBuff();
+               
+       }
+       uint64_t lo = 0;
+       uint32_t hi = 0;

        if (emSearch){
        if (emSearch){

-               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: ");
-                       if (verbose) printEM410x(hi, lo);
-                       return 1;
-               }
+               AskEm410xDecode(true, &hi, &lo);

        }
        return 1;
 }
 
 //by marshmellow
        }
        return 1;
 }
 
 //by marshmellow

-//takes 3 arguments - clock, invert, maxErr as integers
+//takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a'

 //attempts to demodulate ask while decoding manchester
 //prints binary found and saves in graphbuffer for further commands
 int Cmdaskmandemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);
 //attempts to demodulate ask while decoding manchester
 //prints binary found and saves in graphbuffer for further commands
 int Cmdaskmandemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);

-       if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data rawdemod am [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.");
+       if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data rawdemod am [clock] <invert> [maxError] [maxLen] [amplify]");
+               PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
+               PrintAndLog("     <invert>, 1 to invert output");
+               PrintAndLog("     [set maximum allowed errors], default = 100");
+               PrintAndLog("     [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
+               PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");

                PrintAndLog("");
                PrintAndLog("    sample: data rawdemod am        = demod an ask/manchester tag from GraphBuffer");
                PrintAndLog("          : data rawdemod am 32     = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
                PrintAndLog("");
                PrintAndLog("    sample: data rawdemod am        = demod an ask/manchester tag from GraphBuffer");
                PrintAndLog("          : data rawdemod am 32     = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");


@@ -486,7 +343,7 @@ 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;
        }

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

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -497,12 +354,15 @@ int Cmdmandecoderaw(const char *Cmd)
        int i =0;
        int errCnt=0;
        size_t size=0;
        int i =0;
        int errCnt=0;
        size_t size=0;

+       int invert=0;

        size_t maxErr = 20;
        char cmdp = param_getchar(Cmd, 0);
        size_t maxErr = 20;
        char cmdp = param_getchar(Cmd, 0);

-       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data manrawdecode");
+       if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data manrawdecode [invert] [maxErr]");

                PrintAndLog("     Takes 10 and 01 and converts to 0 and 1 respectively");
                PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");
                PrintAndLog("     Takes 10 and 01 and converts to 0 and 1 respectively");
                PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");

+               PrintAndLog("  [invert]  invert output");               
+               PrintAndLog("  [maxErr]  set number of errors allowed (default = 20)");         

                PrintAndLog("");
                PrintAndLog("    sample: data manrawdecode   = decode manchester bitstream from the demodbuffer");
                return 0;
                PrintAndLog("");
                PrintAndLog("    sample: data manrawdecode   = decode manchester bitstream from the demodbuffer");
                return 0;


@@ -515,18 +375,20 @@ int Cmdmandecoderaw(const char *Cmd)
                else if(DemodBuffer[i]<low) low=DemodBuffer[i];
                BitStream[i]=DemodBuffer[i];
        }
                else if(DemodBuffer[i]<low) low=DemodBuffer[i];
                BitStream[i]=DemodBuffer[i];
        }

-       if (high>1 || low <0 ){
-               PrintAndLog("Error: please raw demod the wave first then mancheseter raw decode");
+       if (high>7 || low <0 ){
+               PrintAndLog("Error: please raw demod the wave first then manchester raw decode");

                return 0;
        }
                return 0;
        }

+
+       sscanf(Cmd, "%i %i", &invert, &maxErr);

        size=i;
        size=i;

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

        if (errCnt>=maxErr){
                PrintAndLog("Too many errors: %d",errCnt);
                return 0;
        }
        PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);
        if (errCnt>=maxErr){
                PrintAndLog("Too many errors: %d",errCnt);
                return 0;
        }
        PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);

-       printBitStream(BitStream, size);
+       PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));

        if (errCnt==0){
                uint64_t id = 0;
                uint32_t hi = 0;
        if (errCnt==0){
                uint64_t id = 0;
                uint32_t hi = 0;


@@ -546,11 +408,7 @@ int Cmdmandecoderaw(const char *Cmd)
 //take 01 or 10 = 0 and 11 or 00 = 1
 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
 // and "invert" default = 0 if 1 it will invert output
 //take 01 or 10 = 0 and 11 or 00 = 1
 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
 // and "invert" default = 0 if 1 it will invert output

-//  since it is not like manchester and doesn't have an incorrect bit pattern we
-//  cannot determine if our decode is correct or if it should be shifted by one bit
-//  the argument offset allows us to manually shift if the output is incorrect
-//  (better would be to demod and decode at the same time so we can distinguish large
-//    width waves vs small width waves to help the decode positioning) or askbiphdemod
+//  the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects]

 int CmdBiphaseDecodeRaw(const char *Cmd)
 {
        size_t size=0;
 int CmdBiphaseDecodeRaw(const char *Cmd)
 {
        size_t size=0;


@@ -589,87 +447,15 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
        }
 
        if (errCnt>0){
        }
 
        if (errCnt>0){

-               PrintAndLog("# Errors found during Demod (shown as 77 in bit stream): %d",errCnt);
+               PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt);

        }
        PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);
        }
        PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);

-       printBitStream(BitStream, size);
+       PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));

        
        if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset);  //remove first bit from raw demod
        return 1;
 }
 
        
        if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset);  //remove first bit from raw demod
        return 1;
 }
 

-// set demod buffer back to raw after biphase demod
-void setBiphasetoRawDemodBuf(uint8_t *BitStream, size_t size)
-{
-       uint8_t rawStream[512]={0x00};
-       size_t i=0;
-       uint8_t curPhase=0;
-       if (size > 256) {
-               PrintAndLog("ERROR - Biphase Demod Buffer overrun");
-               return;
-       }
-       for (size_t idx=0; idx<size; idx++){
-               if(!BitStream[idx]){
-                       rawStream[i++] = curPhase;
-                       rawStream[i++] = curPhase;
-                       curPhase ^= 1; 
-               } else {
-                       rawStream[i++] = curPhase;
-                       rawStream[i++] = curPhase ^ 1;
-               }
-       }
-       setDemodBuf(rawStream,i,0);
-       return;
-}
-
-//by marshmellow
-//takes 4 arguments - clock, invert, maxErr as integers and amplify as char
-//attempts to demodulate ask only
-//prints binary found and saves in graphbuffer for further commands
-int ASKrawDemod(const char *Cmd, bool verbose)
-{
-       int invert=0;
-       int clk=0;
-       int maxErr=100;
-       uint8_t askAmp = 0;
-       char amp = param_getchar(Cmd, 0);
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       sscanf(Cmd, "%i %i %i %c", &clk, &invert, &maxErr, &amp);
-       if (invert != 0 && invert != 1) {
-               if (verbose || g_debugMode) PrintAndLog("Invalid argument: %s", Cmd);
-               return 0;
-       }
-       if (clk==1){
-               invert=1;
-               clk=0;
-       }
-       if (amp == 'a' || amp == 'A') askAmp=1; 
-       size_t BitLen = getFromGraphBuf(BitStream);
-       if (BitLen==0) return 0;
-       int errCnt=0;
-       errCnt = askrawdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp);
-       if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
-               if (verbose || g_debugMode) PrintAndLog("no data found");
-               if (g_debugMode) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert);
-               return 0;
-       }
-       if (verbose || g_debugMode) PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen);
-       
-       //move BitStream back to DemodBuffer
-       setDemodBuf(BitStream,BitLen,0);
-
-       //output
-       if (errCnt>0 && (verbose || g_debugMode)){
-               PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d", errCnt);
-       }
-       if (verbose || g_debugMode){
-               PrintAndLog("ASK demoded bitstream:");
-               // Now output the bitstream to the scrollback by line of 16 bits
-               printBitStream(BitStream,BitLen);
-       } 
-       return 1;
-}
-

 //by marshmellow
 // - ASK Demod then Biphase decode GraphBuffer samples
 int ASKbiphaseDemod(const char *Cmd, bool verbose)
 //by marshmellow
 // - ASK Demod then Biphase decode GraphBuffer samples
 int ASKbiphaseDemod(const char *Cmd, bool verbose)


@@ -678,11 +464,11 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
        int offset=0, clk=0, invert=0, maxErr=0, ans=0;
        ans = sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
        if (ans>0)
        int offset=0, clk=0, invert=0, maxErr=0, ans=0;
        ans = sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
        if (ans>0)

-               ans = ASKrawDemod(Cmd+1, FALSE);
+               ans = ASKDemod(Cmd+1, FALSE, FALSE, 0);

        else
        else

-               ans = ASKrawDemod(Cmd, FALSE);
+               ans = ASKDemod(Cmd, FALSE, FALSE, 0);

        if (!ans) {
        if (!ans) {

-               if (g_debugMode || verbose) PrintAndLog("Error AskrawDemod: %d", ans);
+               if (g_debugMode || verbose) PrintAndLog("Error AskDemod: %d", ans);

                return 0;
        }
 
                return 0;
        }
 


@@ -690,8 +476,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
        size_t size = DemodBufferLen;
        uint8_t BitStream[MAX_DEMOD_BUF_LEN];
        memcpy(BitStream, DemodBuffer, DemodBufferLen); 
        size_t size = DemodBufferLen;
        uint8_t BitStream[MAX_DEMOD_BUF_LEN];
        memcpy(BitStream, DemodBuffer, DemodBufferLen); 

-
-       int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+       int errCnt = BiphaseRawDecode(BitStream, &size, offset, 0);

        if (errCnt < 0){
                if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
                return 0;
        if (errCnt < 0){
                if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
                return 0;


@@ -712,12 +497,13 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
 int Cmdaskbiphdemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);
 int Cmdaskbiphdemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);

-       if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data rawdemod ab [offset] [clock] <invert> [maxError] <amplify>");
+       if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>");

                PrintAndLog("     [offset], offset to begin biphase, default=0");
                PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
                PrintAndLog("     <invert>, 1 to invert output");
                PrintAndLog("     [set maximum allowed errors], default = 100");
                PrintAndLog("     [offset], offset to begin biphase, default=0");
                PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
                PrintAndLog("     <invert>, 1 to invert output");
                PrintAndLog("     [set maximum allowed errors], default = 100");

+               PrintAndLog("     [set maximum Samples to read], default = 32768 (512 bits at rf/64)");

                PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
                PrintAndLog("     NOTE: <invert>  can be entered as second or third argument");
                PrintAndLog("     NOTE: <amplify> can be entered as first, second or last argument");
                PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
                PrintAndLog("     NOTE: <invert>  can be entered as second or third argument");
                PrintAndLog("     NOTE: <amplify> can be entered as first, second or last argument");


@@ -725,13 +511,13 @@ int Cmdaskbiphdemod(const char *Cmd)
                PrintAndLog("");
                PrintAndLog("     NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
                PrintAndLog("");
                PrintAndLog("");
                PrintAndLog("     NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
                PrintAndLog("");

-               PrintAndLog("    sample: data rawdemod ab            = demod an ask/biph tag from GraphBuffer");
-               PrintAndLog("          : data rawdemod ab a          = demod an ask/biph tag from GraphBuffer, amplified");
-               PrintAndLog("          : data rawdemod ab 1 32       = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
-               PrintAndLog("          : data rawdemod ab 0 32 1     = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
-               PrintAndLog("          : data rawdemod ab 0 1        = demod an ask/biph tag from GraphBuffer while inverting data");
-               PrintAndLog("          : data rawdemod ab 0 64 1 0   = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
-               PrintAndLog("          : data rawdemod ab 0 64 1 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
+               PrintAndLog("    sample: data rawdemod ab              = demod an ask/biph tag from GraphBuffer");
+               PrintAndLog("          : data rawdemod ab 0 a          = demod an ask/biph tag from GraphBuffer, amplified");
+               PrintAndLog("          : data rawdemod ab 1 32         = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
+               PrintAndLog("          : data rawdemod ab 0 32 1       = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
+               PrintAndLog("          : data rawdemod ab 0 1          = demod an ask/biph tag from GraphBuffer while inverting data");
+               PrintAndLog("          : data rawdemod ab 0 64 1 0     = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+               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);
                return 0;
        }
        return ASKbiphaseDemod(Cmd, TRUE);


@@ -815,27 +601,28 @@ int CmdG_Prox_II_Demod(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

-//by marshmellow - see ASKrawDemod
+//by marshmellow - see ASKDemod

 int Cmdaskrawdemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);
 int Cmdaskrawdemod(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);

-       if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data rawdemod ar [clock] <invert> [maxError] [amplify]");
+       if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]");

                PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
                PrintAndLog("     <invert>, 1 to invert output");
                PrintAndLog("     [set maximum allowed errors], default = 100");
                PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
                PrintAndLog("     <invert>, 1 to invert output");
                PrintAndLog("     [set maximum allowed errors], default = 100");

+               PrintAndLog("     [set maximum Samples to read], default = 32768 (1024 bits at rf/64)");

                PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
                PrintAndLog("");
                PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
                PrintAndLog("");

-               PrintAndLog("    sample: data rawdemod ar          = demod an ask tag from GraphBuffer");
-               PrintAndLog("          : data rawdemod ar a        = demod an ask tag from GraphBuffer, amplified");
-               PrintAndLog("          : data rawdemod ar 32       = demod an ask tag from GraphBuffer using a clock of RF/32");
-               PrintAndLog("          : data rawdemod ar 32 1     = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
-               PrintAndLog("          : data rawdemod ar 1        = demod an ask tag from GraphBuffer while inverting data");
-               PrintAndLog("          : data rawdemod ar 64 1 0   = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
-               PrintAndLog("          : data rawdemod ar 64 1 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
+               PrintAndLog("    sample: data rawdemod ar            = demod an ask tag from GraphBuffer");
+               PrintAndLog("          : data rawdemod ar a          = demod an ask tag from GraphBuffer, amplified");
+               PrintAndLog("          : data rawdemod ar 32         = demod an ask tag from GraphBuffer using a clock of RF/32");
+               PrintAndLog("          : data rawdemod ar 32 1       = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
+               PrintAndLog("          : data rawdemod ar 1          = demod an ask tag from GraphBuffer while inverting data");
+               PrintAndLog("          : data rawdemod ar 64 1 0     = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+               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 0;
        }

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

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


@@ -934,67 +721,6 @@ int CmdBitsamples(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-/*
- * Convert to a bitstream
- */
-int CmdBitstream(const char *Cmd)
-{
-       int i, j;
-       int bit;
-       int gtl;
-       int clock;
-       int low = 0;
-       int high = 0;
-       int hithigh, hitlow, first;
-
-       /* Detect high and lows and clock */
-       for (i = 0; i < GraphTraceLen; ++i)
-       {
-               if (GraphBuffer[i] > high)
-                       high = GraphBuffer[i];
-               else if (GraphBuffer[i] < low)
-                       low = GraphBuffer[i];
-       }
-
-       /* Get our clock */
-       clock = GetAskClock(Cmd, high, 1);
-       gtl = ClearGraph(0);
-
-       bit = 0;
-       for (i = 0; i < (int)(gtl / clock); ++i)
-       {
-               hithigh = 0;
-               hitlow = 0;
-               first = 1;
-               /* Find out if we hit both high and low peaks */
-               for (j = 0; j < clock; ++j)
-               {
-                       if (GraphBuffer[(i * clock) + j] == high)
-                               hithigh = 1;
-                       else if (GraphBuffer[(i * clock) + j] == low)
-                               hitlow = 1;
-                       /* it doesn't count if it's the first part of our read
-                                because it's really just trailing from the last sequence */
-                       if (first && (hithigh || hitlow))
-                               hithigh = hitlow = 0;
-                       else
-                               first = 0;
-
-                       if (hithigh && hitlow)
-                               break;
-               }
-
-               /* If we didn't hit both high and low peaks, we had a bit transition */
-               if (!hithigh || !hitlow)
-                       bit ^= 1;
-
-               AppendGraph(0, clock, bit);
-       }
-
-       RepaintGraphWindow();
-       return 0;
-}
-

 int CmdBuffClear(const char *Cmd)
 {
        UsbCommand c = {CMD_BUFF_CLEAR};
 int CmdBuffClear(const char *Cmd)
 {
        UsbCommand c = {CMD_BUFF_CLEAR};


@@ -1073,30 +799,20 @@ int CmdGraphShiftZero(const char *Cmd)
 
 //by marshmellow
 //use large jumps in read samples to identify edges of waves and then amplify that wave to max
 
 //by marshmellow
 //use large jumps in read samples to identify edges of waves and then amplify that wave to max

-//similar to dirtheshold, threshold, and askdemod commands 
+//similar to dirtheshold, threshold commands 

 //takes a threshold length which is the measured length between two samples then determines an edge
 int CmdAskEdgeDetect(const char *Cmd)
 {
        int thresLen = 25;
        sscanf(Cmd, "%i", &thresLen); 
 //takes a threshold length which is the measured length between two samples then determines an edge
 int CmdAskEdgeDetect(const char *Cmd)
 {
        int thresLen = 25;
        sscanf(Cmd, "%i", &thresLen); 

-       int shift = 127;
-       int shiftedVal=0;
+

        for(int i = 1; i<GraphTraceLen; i++){
                if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up
        for(int i = 1; i<GraphTraceLen; i++){
                if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up

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

                else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down
                else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down

-                       shift=-127;
-
-               shiftedVal=GraphBuffer[i]+shift;
-
-               if (shiftedVal>127) 
-                       shiftedVal=127;
-               else if (shiftedVal<-127) 
-                       shiftedVal=-127;
-               GraphBuffer[i-1] = shiftedVal;
+                       GraphBuffer[i-1] = -127;

        }
        RepaintGraphWindow();
        }
        RepaintGraphWindow();

-       //CmdNorm("");

        return 0;
 }
 
        return 0;
 }
 


@@ -1106,9 +822,10 @@ int CmdAskEdgeDetect(const char *Cmd)
 int CmdDetectClockRate(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);
 int CmdDetectClockRate(const char *Cmd)
 {
        char cmdp = param_getchar(Cmd, 0);

-       if (strlen(Cmd) > 3 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  data detectclock [modulation]");
+       if (strlen(Cmd) > 6 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data detectclock [modulation] <clock>");

                PrintAndLog("     [modulation as char], specify the modulation type you want to detect the clock of");
                PrintAndLog("     [modulation as char], specify the modulation type you want to detect the clock of");

+               PrintAndLog("     <clock>             , specify the clock (optional - to get best start position only)");

                PrintAndLog("       'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
                PrintAndLog("");
                PrintAndLog("    sample: data detectclock a    = detect the clock of an ask modulated wave in the GraphBuffer");
                PrintAndLog("       'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
                PrintAndLog("");
                PrintAndLog("    sample: data detectclock a    = detect the clock of an ask modulated wave in the GraphBuffer");


@@ -1118,7 +835,7 @@ int CmdDetectClockRate(const char *Cmd)
        }
        int ans=0;
        if (cmdp == 'a'){
        }
        int ans=0;
        if (cmdp == 'a'){

-               ans = GetAskClock("", true, false);
+               ans = GetAskClock(Cmd+1, true, false);

        } else if (cmdp == 'f'){
                ans = GetFskClock("", true, false);
        } else if (cmdp == 'n'){
        } else if (cmdp == 'f'){
                ans = GetFskClock("", true, false);
        } else if (cmdp == 'n'){


@@ -1131,6 +848,25 @@ int CmdDetectClockRate(const char *Cmd)
        return ans;
 }
 
        return ans;
 }
 

+char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert)
+{
+       char *fskType;
+       if (fchigh==10 && fclow==8){
+               if (invert) //fsk2a
+                       fskType = "FSK2a";
+               else //fsk2
+                       fskType = "FSK2";
+       } else if (fchigh == 8 && fclow == 5) {
+               if (invert)
+                       fskType = "FSK1";
+               else
+                       fskType = "FSK1a";
+       } else {
+               fskType = "FSK??";
+       }
+       return fskType;
+}
+

 //by marshmellow
 //fsk raw demod and print binary
 //takes 4 arguments - Clock, invert, fchigh, fclow
 //by marshmellow
 //fsk raw demod and print binary
 //takes 4 arguments - Clock, invert, fchigh, fclow


@@ -1174,21 +910,20 @@ int FSKrawDemod(const char *Cmd, bool verbose)
                rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
                if (rfLen == 0) rfLen = 50;
        }
                rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
                if (rfLen == 0) rfLen = 50;
        }

-       if (verbose) PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);

        int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
        if (size>0){
                setDemodBuf(BitStream,size,0);
 
                // Now output the bitstream to the scrollback by line of 16 bits
        int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
        if (size>0){
                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
-               if (verbose) {
-                       PrintAndLog("FSK decoded bitstream:");
-                       printBitStream(BitStream,size);
+               if (verbose || g_debugMode) {
+                       PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen, invert, fchigh, fclow);
+                       PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
+                       printDemodBuff();

                }
 
                return 1;
        } else{
                }
 
                return 1;
        } else{

-               if (verbose) PrintAndLog("no FSK data found");
+               if (g_debugMode) PrintAndLog("no FSK data found");

        }
        return 0;
 }
        }
        return 0;
 }


@@ -1392,9 +1127,9 @@ int CmdFSKdemodIO(const char *Cmd)
                return 0;
        }
        if (idx==0){
                return 0;
        }
        if (idx==0){

-               if (g_debugMode==1){
+               if (g_debugMode){

                        PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen);
                        PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen);

-                       if (BitLen > 92) printBitStream(BitStream,92);
+                       if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16));

                } 
                return 0;
        }
                } 
                return 0;
        }


@@ -1408,7 +1143,7 @@ int CmdFSKdemodIO(const char *Cmd)
                //XSF(version)facility:codeone+codetwo (raw)
                //Handle the data
        if (idx+64>BitLen) {
                //XSF(version)facility:codeone+codetwo (raw)
                //Handle the data
        if (idx+64>BitLen) {

-               if (g_debugMode==1) PrintAndLog("not enough bits found - bitlen: %d",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]);
                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]);


@@ -1429,7 +1164,6 @@ int CmdFSKdemodIO(const char *Cmd)
 
        for (uint8_t i=1; i<6; ++i){
                calccrc += bytebits_to_byte(BitStream+idx+9*i,8);
 
        for (uint8_t i=1; i<6; ++i){
                calccrc += bytebits_to_byte(BitStream+idx+9*i,8);

-               //PrintAndLog("%d", calccrc);

        }
        calccrc &= 0xff;
        calccrc = 0xff - calccrc;
        }
        calccrc &= 0xff;
        calccrc = 0xff - calccrc;


@@ -1687,124 +1421,6 @@ int CmdFSKdemodPyramid(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

-int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
-{
-       static const int LowTone[]  = {
-               1,  1,  1,  1,  1, -1, -1, -1, -1, -1,
-               1,  1,  1,  1,  1, -1, -1, -1, -1, -1,
-               1,  1,  1,  1,  1, -1, -1, -1, -1, -1,
-               1,  1,  1,  1,  1, -1, -1, -1, -1, -1,
-               1,  1,  1,  1,  1, -1, -1, -1, -1, -1
-       };
-       static const int HighTone[] = {
-               1,  1,  1,  1,  1,     -1, -1, -1, -1,
-               1,  1,  1,  1,         -1, -1, -1, -1,
-               1,  1,  1,  1,         -1, -1, -1, -1,
-               1,  1,  1,  1,         -1, -1, -1, -1,
-               1,  1,  1,  1,         -1, -1, -1, -1,
-               1,  1,  1,  1,     -1, -1, -1, -1, -1,
-       };
-
-       int lowLen = sizeof (LowTone) / sizeof (int);
-       int highLen = sizeof (HighTone) / sizeof (int);
-       int convLen = (highLen > lowLen) ? highLen : lowLen;
-       uint32_t hi = 0, lo = 0;
-
-       int i, j;
-       int minMark = 0, maxMark = 0;
-
-       for (i = 0; i < GraphTraceLen - convLen; ++i) {
-               int lowSum = 0, highSum = 0;
-
-               for (j = 0; j < lowLen; ++j) {
-                       lowSum += LowTone[j]*GraphBuffer[i+j];
-               }
-               for (j = 0; j < highLen; ++j) {
-                       highSum += HighTone[j] * GraphBuffer[i + j];
-               }
-               lowSum = abs(100 * lowSum / lowLen);
-               highSum = abs(100 * highSum / highLen);
-               GraphBuffer[i] = (highSum << 16) | lowSum;
-       }
-
-       for(i = 0; i < GraphTraceLen - convLen - 16; ++i) {
-               int lowTot = 0, highTot = 0;
-               // 10 and 8 are f_s divided by f_l and f_h, rounded
-               for (j = 0; j < 10; ++j) {
-                       lowTot += (GraphBuffer[i+j] & 0xffff);
-               }
-               for (j = 0; j < 8; j++) {
-                       highTot += (GraphBuffer[i + j] >> 16);
-               }
-               GraphBuffer[i] = lowTot - highTot;
-               if (GraphBuffer[i] > maxMark) maxMark = GraphBuffer[i];
-               if (GraphBuffer[i] < minMark) minMark = GraphBuffer[i];
-       }
-
-       GraphTraceLen -= (convLen + 16);
-       RepaintGraphWindow();
-
-       // Find bit-sync (3 lo followed by 3 high) (HID ONLY)
-       int max = 0, maxPos = 0;
-       for (i = 0; i < 6000; ++i) {
-               int dec = 0;
-               for (j = 0; j < 3 * lowLen; ++j) {
-                       dec -= GraphBuffer[i + j];
-               }
-               for (; j < 3 * (lowLen + highLen ); ++j) {
-                       dec += GraphBuffer[i + j];
-               }
-               if (dec > max) {
-                       max = dec;
-                       maxPos = i;
-               }
-       }
-
-       // place start of bit sync marker in graph
-       GraphBuffer[maxPos] = maxMark;
-       GraphBuffer[maxPos + 1] = minMark;
-
-       maxPos += j;
-
-       // place end of bit sync marker in graph
-       GraphBuffer[maxPos] = maxMark;
-       GraphBuffer[maxPos+1] = minMark;
-
-       PrintAndLog("actual data bits start at sample %d", maxPos);
-       PrintAndLog("length %d/%d", highLen, lowLen);
-
-       uint8_t bits[46] = {0x00};
-
-       // find bit pairs and manchester decode them
-       for (i = 0; i < arraylen(bits) - 1; ++i) {
-               int dec = 0;
-               for (j = 0; j < lowLen; ++j) {
-                       dec -= GraphBuffer[maxPos + j];
-               }
-               for (; j < lowLen + highLen; ++j) {
-                       dec += GraphBuffer[maxPos + j];
-               }
-               maxPos += j;
-               // place inter bit marker in graph
-               GraphBuffer[maxPos] = maxMark;
-               GraphBuffer[maxPos + 1] = minMark;
-
-               // hi and lo form a 64 bit pair
-               hi = (hi << 1) | (lo >> 31);
-               lo = (lo << 1);
-               // store decoded bit as binary (in hi/lo) and text (in bits[])
-               if(dec < 0) {
-                       bits[i] = '1';
-                       lo |= 1;
-               } else {
-                       bits[i] = '0';
-               }
-       }
-       PrintAndLog("bits: '%s'", bits);
-       PrintAndLog("hex: %08x %08x", hi, lo);
-       return 0;
-}
-

 //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)


@@ -1832,17 +1448,17 @@ int PSKDemod(const char *Cmd, bool verbose)
        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){
        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){

-               if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+               if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);

                return 0;
        } 
        if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
                return 0;
        } 
        if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)

-               if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+               if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);

                return 0;
        }
                return 0;
        }

-       if (verbose){
-               PrintAndLog("Tried PSK Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+       if (verbose || g_debugMode){
+               PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk,invert,BitLen);

                if (errCnt>0){
                if (errCnt>0){

-                       PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+                       PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);

                }
        }
        //prime demod buffer for output
                }
        }
        //prime demod buffer for output


@@ -1868,7 +1484,7 @@ int CmdIndalaDecode(const char *Cmd)
                return 0;
        }
        uint8_t invert=0;
                return 0;
        }
        uint8_t invert=0;

-       ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
+       ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert);

        if (ans < 1) {
                if (g_debugMode==1)
                        PrintAndLog("Error2: %d",ans);
        if (ans < 1) {
                if (g_debugMode==1)
                        PrintAndLog("Error2: %d",ans);


@@ -1931,11 +1547,49 @@ int CmdIndalaDecode(const char *Cmd)
        return 1;
 }
 
        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
 // prints binary found and saves in demodbuffer for further commands
 // by marshmellow
 // takes 3 arguments - clock, invert, maxErr as integers
 // attempts to demodulate nrz only
 // prints binary found and saves in demodbuffer for further commands

-

 int NRZrawDemod(const char *Cmd, bool verbose)
 {
        int invert=0;
 int NRZrawDemod(const char *Cmd, bool verbose)
 {
        int invert=0;


@@ -1967,7 +1621,7 @@ int NRZrawDemod(const char *Cmd, bool verbose)
        //prime demod buffer for output
        setDemodBuf(BitStream,BitLen,0);
 
        //prime demod buffer for output
        setDemodBuf(BitStream,BitLen,0);
 

-       if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+       if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);

        if (verbose || g_debugMode) {
                PrintAndLog("NRZ demoded bitstream:");
                // Now output the bitstream to the scrollback by line of 16 bits
        if (verbose || g_debugMode) {
                PrintAndLog("NRZ demoded bitstream:");
                // Now output the bitstream to the scrollback by line of 16 bits


@@ -2023,7 +1677,7 @@ int CmdPSK1rawDemod(const char *Cmd)
                return 0;
        }
  
                return 0;
        }
  

-       PrintAndLog("PSK demoded bitstream:");
+       PrintAndLog("PSK1 demoded bitstream:");

        // Now output the bitstream to the scrollback by line of 16 bits
        printDemodBuff();
        return 1;
        // Now output the bitstream to the scrollback by line of 16 bits
        printDemodBuff();
        return 1;


@@ -2065,7 +1719,7 @@ int CmdRawDemod(const char *Cmd)
 {
        char cmdp = Cmd[0]; //param_getchar(Cmd, 0);
 
 {
        char cmdp = Cmd[0]; //param_getchar(Cmd, 0);
 

-       if (strlen(Cmd) > 14 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) {
+       if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) {

                PrintAndLog("Usage:  data rawdemod [modulation] <help>|<options>");
                PrintAndLog("   [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");           
                PrintAndLog("         'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
                PrintAndLog("Usage:  data rawdemod [modulation] <help>|<options>");
                PrintAndLog("   [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");           
                PrintAndLog("         'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");


@@ -2238,7 +1892,8 @@ int getSamples(const char *Cmd, bool silent)
                PrintAndLog("Unpacking...");
                BitstreamOut bout = { got, bits_per_sample * n,  0};
                int j =0;
                PrintAndLog("Unpacking...");
                BitstreamOut bout = { got, bits_per_sample * n,  0};
                int j =0;

-               for (j = 0; j * bits_per_sample < n * 8 && j < sizeof(GraphBuffer); j++) {
+               //for (j = 0; j * bits_per_sample < n * 8 && j < sizeof(GraphBuffer); j++) {
+                       for (j = 0; j * bits_per_sample < n * 8 && j < n; j++) {

                        uint8_t sample = getByte(bits_per_sample, &bout);
                        GraphBuffer[j] = ((int) sample )- 128;
                }
                        uint8_t sample = getByte(bits_per_sample, &bout);
                        GraphBuffer[j] = ((int) sample )- 128;
                }


@@ -2292,10 +1947,10 @@ int CmdTuneSamples(const char *Cmd)
        PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
        PrintAndLog("# HF antenna: %5.2f V @    13.56 MHz", vHf/1000.0);
 
        PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
        PrintAndLog("# HF antenna: %5.2f V @    13.56 MHz", vHf/1000.0);
 

-#define LF_UNUSABLE_V          2948            // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
-#define LF_MARGINAL_V          14739           // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
-#define HF_UNUSABLE_V          3167            // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
-#define HF_MARGINAL_V          7917            // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+ #define LF_UNUSABLE_V         2948            // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
+ #define LF_MARGINAL_V         14739           // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
+ #define HF_UNUSABLE_V         3167            // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+ #define HF_MARGINAL_V         7917            // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.

 
        if (peakv < LF_UNUSABLE_V)
                PrintAndLog("# Your LF antenna is unusable.");
 
        if (peakv < LF_UNUSABLE_V)
                PrintAndLog("# Your LF antenna is unusable.");


@@ -2351,7 +2006,7 @@ int CmdLoad(const char *Cmd)
 int CmdLtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);
 int CmdLtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);

-
+       if (GraphTraceLen<=0) return 0;

        for (int i = ds; i < GraphTraceLen; ++i)
                GraphBuffer[i-ds] = GraphBuffer[i];
        GraphTraceLen -= ds;
        for (int i = ds; i < GraphTraceLen; ++i)
                GraphBuffer[i-ds] = GraphBuffer[i];
        GraphTraceLen -= ds;


@@ -2371,245 +2026,6 @@ int CmdRtrim(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-/*
- * Manchester demodulate a bitstream. The bitstream needs to be already in
- * the GraphBuffer as 0 and 1 values
- *
- * Give the clock rate as argument in order to help the sync - the algorithm
- * resyncs at each pulse anyway.
- *
- * Not optimized by any means, this is the 1st time I'm writing this type of
- * routine, feel free to improve...
- *
- * 1st argument: clock rate (as number of samples per clock rate)
- *               Typical values can be 64, 32, 128...
- */
-int CmdManchesterDemod(const char *Cmd)
-{
-       int i, j, invert= 0;
-       int bit;
-       int clock;
-       int lastval = 0;
-       int low = 0;
-       int high = 0;
-       int hithigh, hitlow, first;
-       int lc = 0;
-       int bitidx = 0;
-       int bit2idx = 0;
-       int warnings = 0;
-
-       /* check if we're inverting output */
-       if (*Cmd == 'i')
-       {
-               PrintAndLog("Inverting output");
-               invert = 1;
-               ++Cmd;
-               do
-                       ++Cmd;
-               while(*Cmd == ' '); // in case a 2nd argument was given
-       }
-
-       /* Holds the decoded bitstream: each clock period contains 2 bits       */
-       /* later simplified to 1 bit after manchester decoding.                 */
-       /* Add 10 bits to allow for noisy / uncertain traces without aborting   */
-       /* int BitStream[GraphTraceLen*2/clock+10]; */
-
-       /* But it does not work if compiling on WIndows: therefore we just allocate a */
-       /* large array */
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
-
-       /* Detect high and lows */
-       for (i = 0; i < GraphTraceLen; i++)
-       {
-               if (GraphBuffer[i] > high)
-                       high = GraphBuffer[i];
-               else if (GraphBuffer[i] < low)
-                       low = GraphBuffer[i];
-       }
-
-       /* Get our clock */
-       clock = GetAskClock(Cmd, high, 1);
-
-       int tolerance = clock/4;
-
-       /* Detect first transition */
-       /* Lo-Hi (arbitrary)       */
-       /* skip to the first high */
-       for (i= 0; i < GraphTraceLen; i++)
-               if (GraphBuffer[i] == high)
-                       break;
-       /* now look for the first low */
-       for (; i < GraphTraceLen; i++)
-       {
-               if (GraphBuffer[i] == low)
-               {
-                       lastval = i;
-                       break;
-               }
-       }
-
-       /* If we're not working with 1/0s, demod based off clock */
-       if (high != 1)
-       {
-               bit = 0; /* We assume the 1st bit is zero, it may not be
-                                                       * the case: this routine (I think) has an init problem.
-                                                       * Ed.
-                                                       */
-               for (; i < (int)(GraphTraceLen / clock); i++)
-               {
-                       hithigh = 0;
-                       hitlow = 0;
-                       first = 1;
-
-                       /* Find out if we hit both high and low peaks */
-                       for (j = 0; j < clock; j++)
-                       {
-                               if (GraphBuffer[(i * clock) + j] == high)
-                                       hithigh = 1;
-                               else if (GraphBuffer[(i * clock) + j] == low)
-                                       hitlow = 1;
-
-                               /* it doesn't count if it's the first part of our read
-                                        because it's really just trailing from the last sequence */
-                               if (first && (hithigh || hitlow))
-                                       hithigh = hitlow = 0;
-                               else
-                                       first = 0;
-
-                               if (hithigh && hitlow)
-                                       break;
-                       }
-
-                       /* If we didn't hit both high and low peaks, we had a bit transition */
-                       if (!hithigh || !hitlow)
-                               bit ^= 1;
-
-                       BitStream[bit2idx++] = bit ^ invert;
-               }
-       }
-
-       /* standard 1/0 bitstream */
-       else
-       {
-
-               /* Then detect duration between 2 successive transitions */
-               for (bitidx = 1; i < GraphTraceLen; i++)
-               {
-                       if (GraphBuffer[i-1] != GraphBuffer[i])
-                       {
-                               lc = i-lastval;
-                               lastval = i;
-
-                               // Error check: if bitidx becomes too large, we do not
-                               // have a Manchester encoded bitstream or the clock is really
-                               // wrong!
-                               if (bitidx > (GraphTraceLen*2/clock+8) ) {
-                                       PrintAndLog("Error: the clock you gave is probably wrong, aborting.");
-                                       return 0;
-                               }
-                               // Then switch depending on lc length:
-                               // Tolerance is 1/4 of clock rate (arbitrary)
-                               if (abs(lc-clock/2) < tolerance) {
-                                       // Short pulse : either "1" or "0"
-                                       BitStream[bitidx++]=GraphBuffer[i-1];
-                               } else if (abs(lc-clock) < tolerance) {
-                                       // Long pulse: either "11" or "00"
-                                       BitStream[bitidx++]=GraphBuffer[i-1];
-                                       BitStream[bitidx++]=GraphBuffer[i-1];
-                               } else {
-                               // Error
-                                       warnings++;
-                                       PrintAndLog("Warning: Manchester decode error for pulse width detection.");
-                                       PrintAndLog("(too many of those messages mean either the stream is not Manchester encoded, or clock is wrong)");
-
-                                       if (warnings > 10)
-                                       {
-                                               PrintAndLog("Error: too many detection errors, aborting.");
-                                               return 0;
-                                       }
-                               }
-                       }
-               }
-
-               // At this stage, we now have a bitstream of "01" ("1") or "10" ("0"), parse it into final decoded bitstream
-               // Actually, we overwrite BitStream with the new decoded bitstream, we just need to be careful
-               // to stop output at the final bitidx2 value, not bitidx
-               for (i = 0; i < bitidx; i += 2) {
-                       if ((BitStream[i] == 0) && (BitStream[i+1] == 1)) {
-                               BitStream[bit2idx++] = 1 ^ invert;
-                       } else if ((BitStream[i] == 1) && (BitStream[i+1] == 0)) {
-                               BitStream[bit2idx++] = 0 ^ invert;
-                       } else {
-                               // We cannot end up in this state, this means we are unsynchronized,
-                               // move up 1 bit:
-                               i++;
-                               warnings++;
-                               PrintAndLog("Unsynchronized, resync...");
-                               PrintAndLog("(too many of those messages mean the stream is not Manchester encoded)");
-
-                               if (warnings > 10)
-                               {
-                                       PrintAndLog("Error: too many decode errors, aborting.");
-                                       return 0;
-                               }
-                       }
-               }
-       }
-
-       PrintAndLog("Manchester decoded bitstream");
-       // Now output the bitstream to the scrollback by line of 16 bits
-       for (i = 0; i < (bit2idx-16); i+=16) {
-               PrintAndLog("%i %i %i %i %i %i %i %i %i %i %i %i %i %i %i %i",
-                       BitStream[i],
-                       BitStream[i+1],
-                       BitStream[i+2],
-                       BitStream[i+3],
-                       BitStream[i+4],
-                       BitStream[i+5],
-                       BitStream[i+6],
-                       BitStream[i+7],
-                       BitStream[i+8],
-                       BitStream[i+9],
-                       BitStream[i+10],
-                       BitStream[i+11],
-                       BitStream[i+12],
-                       BitStream[i+13],
-                       BitStream[i+14],
-                       BitStream[i+15]);
-       }
-       return 0;
-}
-
-/* Modulate our data into manchester */
-int CmdManchesterMod(const char *Cmd)
-{
-       int i, j;
-       int clock;
-       int bit, lastbit, wave;
-
-       /* Get our clock */
-       clock = GetAskClock(Cmd, 0, 1);
-
-       wave = 0;
-       lastbit = 1;
-       for (i = 0; i < (int)(GraphTraceLen / clock); i++)
-       {
-               bit = GraphBuffer[i * clock] ^ 1;
-
-               for (j = 0; j < (int)(clock/2); j++)
-                       GraphBuffer[(i * clock) + j] = bit ^ lastbit ^ wave;
-               for (j = (int)(clock/2); j < clock; j++)
-                       GraphBuffer[(i * clock) + j] = bit ^ lastbit ^ wave ^ 1;
-
-               /* Keep track of how we start our wave and if we changed or not this time */
-               wave ^= bit ^ lastbit;
-               lastbit = bit;
-       }
-
-       RepaintGraphWindow();
-       return 0;
-}
-

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


@@ -2674,20 +2090,6 @@ int CmdScale(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-int CmdThreshold(const char *Cmd)
-{
-       int threshold = atoi(Cmd);
-
-       for (int i = 0; i < GraphTraceLen; ++i) {
-               if (GraphBuffer[i] >= threshold)
-                       GraphBuffer[i] = 1;
-               else
-                       GraphBuffer[i] = -1;
-       }
-       RepaintGraphWindow();
-       return 0;
-}
-

 int CmdDirectionalThreshold(const char *Cmd)
 {
        int8_t upThres = param_get8(Cmd, 0);
 int CmdDirectionalThreshold(const char *Cmd)
 {
        int8_t upThres = param_get8(Cmd, 0);


@@ -2755,19 +2157,15 @@ int CmdZerocrossings(const char *Cmd)
 static command_t CommandTable[] =
 {
        {"help",            CmdHelp,            1, "This help"},
 static command_t CommandTable[] =
 {
        {"help",            CmdHelp,            1, "This help"},

-       {"amp",             CmdAmp,             1, "Amplify peaks"},
-       //{"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
-       {"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
+       {"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"},
        {"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
        {"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"},
        {"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},

-       {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
+       {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},

        {"bitsamples",      CmdBitsamples,      0, "Get raw samples as bitstring"},
        {"bitsamples",      CmdBitsamples,      0, "Get raw samples as bitstring"},

-       //{"bitstream",     CmdBitstream,       1, "[clock rate] -- Convert waveform into a bitstream"},

        {"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)"},

-       //{"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},

        {"fskawiddemod",    CmdFSKdemodAWID,    1, "Demodulate an AWID FSK tag from GraphBuffer"},
        //{"fskfcdetect",   CmdFSKfcDetect,     1, "Try to detect the Field Clock of an FSK wave"},
        {"fskhiddemod",     CmdFSKdemodHID,     1, "Demodulate a HID FSK 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"},
        {"fskhiddemod",     CmdFSKdemodHID,     1, "Demodulate a HID FSK tag from GraphBuffer"},


@@ -2782,20 +2180,18 @@ 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"},

-       //{"mandemod",      CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"},
-       {"manrawdecode",    Cmdmandecoderaw,    1, "Manchester decode binary stream in DemodBuffer"},
-       {"manmod",          CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},
+       {"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] -- 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)"},
        {"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] -- 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)"},
        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},
        {"setdebugmode",    CmdSetDebugMode,    1, "<0|1> -- Turn on or off Debugging Mode for demods"},
        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
        {"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)"},
        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},
        {"setdebugmode",    CmdSetDebugMode,    1, "<0|1> -- Turn on or off Debugging Mode for demods"},
        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},

-       //{"threshold",     CmdThreshold,       1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},

        {"dirthreshold",    CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
        {"tune",            CmdTuneSamples,     0, "Get hw tune samples for graph window"},
        {"undec",           CmdUndec,           1, "Un-decimate samples by 2"},
        {"dirthreshold",    CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
        {"tune",            CmdTuneSamples,     0, "Get hw tune samples for graph window"},
        {"undec",           CmdUndec,           1, "Un-decimate samples by 2"},