Improved 'hf list iclass' a bit, better understanding of the protocol and when to...

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index bce5d2ced073ae4904297a17e8112a17df2d9942..6bc66f06a7cb43ed2c28b92bd210e00dbd95e678 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -72,37 +72,37 @@ void printDemodBuff()
 
 int CmdAmp(const char *Cmd)
 {
 
 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;
+  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;

 }
 
 /*
 }
 
 /*


@@ -119,127 +119,127 @@ int CmdAmp(const char *Cmd)
  //this method is dependant on all highs and lows to be the same(or clipped)  this creates issues[marshmellow] it also ignores the clock
 int Cmdaskdemod(const char *Cmd)
 {
  //this method is dependant on all highs and lows to be the same(or clipped)  this creates issues[marshmellow] it also ignores the clock
 int Cmdaskdemod(const char *Cmd)
 {

-       int i;
-       int c, high = 0, low = 0;
+  int i;
+  int c, high = 0, low = 0;

 
 

-       // TODO: complain if we do not give 2 arguments here !
-       // (AL - this doesn't make sense! we're only using one argument!!!)
-       sscanf(Cmd, "%i", &c);
+  // TODO: complain if we do not give 2 arguments here !
+  // (AL - this doesn't make sense! we're only using one argument!!!)
+  sscanf(Cmd, "%i", &c);

 
 

-       /* Detect high and lows and clock */
+  /* Detect high and lows and clock */

        // (AL - clock???)
        // (AL - clock???)

-       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;
+  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
 void printBitStream(uint8_t BitStream[], uint32_t bitLen)
 {
 }
 
 //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;
-        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]);
-       }
+  uint32_t i = 0;
+  if (bitLen<16) {
+    PrintAndLog("Too few bits found: %d",bitLen);
+    return;
+  }
+  if (bitLen>512) bitLen=512;
+   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 EM410x ID in multiple formats
 void printEM410x(uint64_t id)
 {
        return;
 }
 //by marshmellow
 //print EM410x ID in multiple formats
 void printEM410x(uint64_t id)
 {

-       if (id !=0){
-                       uint64_t iii=1;
-                       uint64_t id2lo=0; //id2hi=0,
-                       uint32_t ii=0;
-                       uint32_t i=0;
-                       for (ii=5; ii>0;ii--){
-                               for (i=0;i<8;i++){
+  if (id !=0){
+      uint64_t iii=1;
+      uint64_t id2lo=0; //id2hi=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)));
                                        id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8)));

-                               }
-                       }
-                       //output em id
-                       PrintAndLog("EM TAG ID    : %010llx", id);
-                       PrintAndLog("Unique TAG ID: %010llx",  id2lo); //id2hi,
-                       PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
-                       PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFF);
-                       PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
-                       PrintAndLog("DEZ 3.5A     : %03lld.%05lld",(id>>32ll),(id & 0xFFFF));
-                       PrintAndLog("DEZ 14/IK2   : %014lld",id);
-                       PrintAndLog("DEZ 15/IK3   : %015lld",id2lo);
-                       PrintAndLog("Other        : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));
+        }
+      }
+      //output em id
+      PrintAndLog("EM TAG ID    : %010llx", id);
+      PrintAndLog("Unique TAG ID: %010llx",  id2lo); //id2hi,
+      PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
+      PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFF);
+      PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
+      PrintAndLog("DEZ 3.5A     : %03lld.%05lld",(id>>32ll),(id & 0xFFFF));
+      PrintAndLog("DEZ 14/IK2   : %014lld",id);
+      PrintAndLog("DEZ 15/IK3   : %015lld",id2lo);
+      PrintAndLog("Other        : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));

                }
                }

-               return;
+    return;

 }
 
 //by marshmellow
 //take binary from demod buffer and see if we can find an EM410x ID
 int CmdEm410xDecode(const char *Cmd)
 {
 }
 
 //by marshmellow
 //take binary from demod buffer and see if we can find an EM410x ID
 int CmdEm410xDecode(const char *Cmd)
 {

-       uint64_t id=0;
+  uint64_t id=0;

  // uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
  // uint32_t i=0;
  // i=getFromGraphBuf(BitStream);
        id = Em410xDecode(DemodBuffer,DemodBufferLen);
  // uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
  // uint32_t i=0;
  // i=getFromGraphBuf(BitStream);
        id = Em410xDecode(DemodBuffer,DemodBufferLen);

-       printEM410x(id);
-       if (id>0) return 1;
-       return 0;
+  printEM410x(id);
+  if (id>0) return 1;
+  return 0;

 }
 
 
 }
 
 


@@ -251,41 +251,41 @@ int Cmdaskmandemod(const char *Cmd)
 {
        int invert=0;
        int clk=0;
 {
        int invert=0;
        int clk=0;

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

        sscanf(Cmd, "%i %i", &clk, &invert);
        sscanf(Cmd, "%i %i", &clk, &invert);

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

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

-       //  PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
-       int errCnt=0;
-        errCnt = askmandemod(BitStream, &BitLen,&clk,&invert);
+  //  PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
+  int errCnt=0;
+   errCnt = askmandemod(BitStream, &BitLen,&clk,&invert);

        if (errCnt<0||BitLen<16){  //if fatal error (or -1)
                // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
        if (errCnt<0||BitLen<16){  //if fatal error (or -1)
                // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);

-               return 0;
+    return 0;

        }
        }

-       PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
+  PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);

 
 

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

        setDemodBuf(BitStream,BitLen);
        printDemodBuff();
        setDemodBuf(BitStream,BitLen);
        printDemodBuff();

-       uint64_t lo =0;
-       lo = Em410xDecode(BitStream,BitLen);
-       if (lo>0){
-               //set GraphBuffer for clone or sim command
-               PrintAndLog("EM410x pattern found: ");
-               printEM410x(lo);
-               return 1;
-       }
-       //if (BitLen>16) return 1;
-       return 0;
+  uint64_t lo =0;
+  lo = Em410xDecode(BitStream,BitLen);
+  if (lo>0){
+    //set GraphBuffer for clone or sim command
+    PrintAndLog("EM410x pattern found: ");
+    printEM410x(lo);
+    return 1;
+  }
+  //if (BitLen>16) return 1;
+  return 0;

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -293,35 +293,35 @@ int Cmdaskmandemod(const char *Cmd)
 //stricktly take 10 and 01 and convert to 0 and 1
 int Cmdmandecoderaw(const char *Cmd)
 {
 //stricktly take 10 and 01 and convert to 0 and 1
 int Cmdmandecoderaw(const char *Cmd)
 {

-       int i =0;
-       int errCnt=0;
+  int i =0;
+  int errCnt=0;

        size_t size=0;
        size_t size=0;

-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       int high=0,low=0;
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  int high=0,low=0;

        for (;i<DemodBufferLen;++i){
                if (DemodBuffer[i]>high) high=DemodBuffer[i];
                else if(DemodBuffer[i]<low) low=DemodBuffer[i];
                BitStream[i]=DemodBuffer[i];
        for (;i<DemodBufferLen;++i){
                if (DemodBuffer[i]>high) high=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");
-               return 0;
-       }
+  }
+  if (high>1 || low <0 ){
+    PrintAndLog("Error: please raw demod the wave first then mancheseter raw decode");
+    return 0;
+  }

        size=i;
        errCnt=manrawdecode(BitStream, &size);
        size=i;
        errCnt=manrawdecode(BitStream, &size);

-       if (errCnt>=20){
-               PrintAndLog("Too many errors: %d",errCnt);
-               return 0;
-       }
-       PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);
+  if (errCnt>=20){
+    PrintAndLog("Too many errors: %d",errCnt);
+    return 0;
+  }
+  PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);

        printBitStream(BitStream, size);
        printBitStream(BitStream, size);

-       if (errCnt==0){
+  if (errCnt==0){

                uint64_t id = 0;
                id = Em410xDecode(BitStream, size);
                if (id>0) setDemodBuf(BitStream, size);
                printEM410x(id);
                uint64_t id = 0;
                id = Em410xDecode(BitStream, size);
                if (id>0) setDemodBuf(BitStream, size);
                printEM410x(id);

-       }
-       return 1;
+  }
+  return 1;

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -335,33 +335,33 @@ int Cmdmandecoderaw(const char *Cmd)
 //    width waves vs small width waves to help the decode positioning) or askbiphdemod
 int CmdBiphaseDecodeRaw(const char *Cmd)
 {
 //    width waves vs small width waves to help the decode positioning) or askbiphdemod
 int CmdBiphaseDecodeRaw(const char *Cmd)
 {

-       int i = 0;
-       int errCnt=0;
+  int i = 0;
+  int errCnt=0;

        size_t size=0;
        size_t size=0;

-       int offset=0;
-       int high=0, low=0;
+  int offset=0;
+  int high=0, low=0;

        sscanf(Cmd, "%i", &offset);
        sscanf(Cmd, "%i", &offset);

-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       //get graphbuffer & high and low
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  //get graphbuffer & high and low

        for (;i<DemodBufferLen;++i){
                if(DemodBuffer[i]>high)high=DemodBuffer[i];
                else if(DemodBuffer[i]<low)low=DemodBuffer[i];
                BitStream[i]=DemodBuffer[i];
        for (;i<DemodBufferLen;++i){
                if(DemodBuffer[i]>high)high=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 decode");
-               return 0;
-       }
+  }
+  if (high>1 || low <0){
+    PrintAndLog("Error: please raw demod the wave first then decode");
+    return 0;
+  }

        size=i;
        errCnt=BiphaseRawDecode(BitStream, &size, offset);
        size=i;
        errCnt=BiphaseRawDecode(BitStream, &size, offset);

-       if (errCnt>=20){
-               PrintAndLog("Too many errors attempting to decode: %d",errCnt);
-               return 0;
-       }
-       PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
+  if (errCnt>=20){
+    PrintAndLog("Too many errors attempting to decode: %d",errCnt);
+    return 0;
+  }
+  PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);

        printBitStream(BitStream, size);
        printBitStream(BitStream, size);

-       PrintAndLog("\nif bitstream does not look right try offset=1");
-       return 1;
+  PrintAndLog("\nif bitstream does not look right try offset=1");
+  return 1;

 }
 
 
 }
 
 


@@ -373,87 +373,87 @@ int Cmdaskrawdemod(const char *Cmd)
 {
        int invert=0;
        int clk=0;
 {
        int invert=0;
        int clk=0;

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

        sscanf(Cmd, "%i %i", &clk, &invert);
        sscanf(Cmd, "%i %i", &clk, &invert);

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

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

-       int errCnt=0;
+  int errCnt=0;

        errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
                PrintAndLog("no data found");
        errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
                PrintAndLog("no data found");

-               return 0;
+    return 0;

        }
        }

-       PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
-               //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum);
+  PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+    //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum);

                //move BitStream back to DemodBuffer
        setDemodBuf(BitStream,BitLen);
 
                //output
                //move BitStream back to DemodBuffer
        setDemodBuf(BitStream,BitLen);
 
                //output

-       if (errCnt>0){
-               PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
-       }
-       PrintAndLog("ASK demoded bitstream:");
-       // Now output the bitstream to the scrollback by line of 16 bits
-       printBitStream(BitStream,BitLen);
-
-       return 1;
+  if (errCnt>0){
+    PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+  }
+  PrintAndLog("ASK demoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  printBitStream(BitStream,BitLen);
+
+  return 1;

 }
 
 int CmdAutoCorr(const char *Cmd)
 {
 }
 
 int CmdAutoCorr(const char *Cmd)
 {

-       static int CorrelBuffer[MAX_GRAPH_TRACE_LEN];
-
-       int window = atoi(Cmd);
-
-       if (window == 0) {
-               PrintAndLog("needs a window");
-               return 0;
-       }
-       if (window >= GraphTraceLen) {
-               PrintAndLog("window must be smaller than trace (%d samples)",
-                       GraphTraceLen);
-               return 0;
-       }
-
-       PrintAndLog("performing %d correlations", GraphTraceLen - window);
-
-       for (int i = 0; i < GraphTraceLen - window; ++i) {
-               int sum = 0;
-               for (int j = 0; j < window; ++j) {
-                       sum += (GraphBuffer[j]*GraphBuffer[i + j]) / 256;
-               }
-               CorrelBuffer[i] = sum;
-       }
-       GraphTraceLen = GraphTraceLen - window;
-       memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int));
-
-       RepaintGraphWindow();
-       return 0;
+  static int CorrelBuffer[MAX_GRAPH_TRACE_LEN];
+
+  int window = atoi(Cmd);
+
+  if (window == 0) {
+    PrintAndLog("needs a window");
+    return 0;
+  }
+  if (window >= GraphTraceLen) {
+    PrintAndLog("window must be smaller than trace (%d samples)",
+      GraphTraceLen);
+    return 0;
+  }
+
+  PrintAndLog("performing %d correlations", GraphTraceLen - window);
+
+  for (int i = 0; i < GraphTraceLen - window; ++i) {
+    int sum = 0;
+    for (int j = 0; j < window; ++j) {
+      sum += (GraphBuffer[j]*GraphBuffer[i + j]) / 256;
+    }
+    CorrelBuffer[i] = sum;
+  }
+  GraphTraceLen = GraphTraceLen - window;
+  memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int));
+
+  RepaintGraphWindow();
+  return 0;

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

-       int cnt = 0;
-       uint8_t got[12288];
-
-       GetFromBigBuf(got,sizeof(got),0);
-       WaitForResponse(CMD_ACK,NULL);
-
-               for (int j = 0; j < sizeof(got); j++) {
-                       for (int k = 0; k < 8; k++) {
-                               if(got[j] & (1 << (7 - k))) {
-                                       GraphBuffer[cnt++] = 1;
-                               } else {
-                                       GraphBuffer[cnt++] = 0;
-                               }
-                       }
-       }
-       GraphTraceLen = cnt;
-       RepaintGraphWindow();
-       return 0;
+  int cnt = 0;
+  uint8_t got[12288];
+
+  GetFromBigBuf(got,sizeof(got),0);
+  WaitForResponse(CMD_ACK,NULL);
+
+    for (int j = 0; j < sizeof(got); j++) {
+      for (int k = 0; k < 8; k++) {
+        if(got[j] & (1 << (7 - k))) {
+          GraphBuffer[cnt++] = 1;
+        } else {
+          GraphBuffer[cnt++] = 0;
+        }
+      }
+  }
+  GraphTraceLen = cnt;
+  RepaintGraphWindow();
+  return 0;

 }
 
 /*
 }
 
 /*


@@ -461,92 +461,92 @@ int CmdBitsamples(const char *Cmd)
  */
 int CmdBitstream(const char *Cmd)
 {
  */
 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 = GetClock(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);
+  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 = GetClock(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);

        //    for (j = 0; j < (int)(clock/2); j++)
        //      GraphBuffer[(i * clock) + j] = bit ^ 1;
        //    for (j = (int)(clock/2); j < clock; j++)
        //      GraphBuffer[(i * clock) + j] = bit;
        //    for (j = 0; j < (int)(clock/2); j++)
        //      GraphBuffer[(i * clock) + j] = bit ^ 1;
        //    for (j = (int)(clock/2); j < clock; j++)
        //      GraphBuffer[(i * clock) + j] = bit;

-       }
+  }

 
 

-       RepaintGraphWindow();
-       return 0;
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdBuffClear(const char *Cmd)
 {
 }
 
 int CmdBuffClear(const char *Cmd)
 {

-       UsbCommand c = {CMD_BUFF_CLEAR};
-       SendCommand(&c);
-       ClearGraph(true);
-       return 0;
+  UsbCommand c = {CMD_BUFF_CLEAR};
+  SendCommand(&c);
+  ClearGraph(true);
+  return 0;

 }
 
 int CmdDec(const char *Cmd)
 {
 }
 
 int CmdDec(const char *Cmd)
 {

-       for (int i = 0; i < (GraphTraceLen / 2); ++i)
-               GraphBuffer[i] = GraphBuffer[i * 2];
-       GraphTraceLen /= 2;
-       PrintAndLog("decimated by 2");
-       RepaintGraphWindow();
-       return 0;
+  for (int i = 0; i < (GraphTraceLen / 2); ++i)
+    GraphBuffer[i] = GraphBuffer[i * 2];
+  GraphTraceLen /= 2;
+  PrintAndLog("decimated by 2");
+  RepaintGraphWindow();
+  return 0;

 }
 
 /* Print our clock rate */
 // uses data from graphbuffer
 int CmdDetectClockRate(const char *Cmd)
 {
 }
 
 /* Print our clock rate */
 // uses data from graphbuffer
 int CmdDetectClockRate(const char *Cmd)
 {

-       GetClock("",0,0);
+  GetClock("",0,0);

        //int clock = DetectASKClock(0);
        //PrintAndLog("Auto-detected clock rate: %d", clock);
        //int clock = DetectASKClock(0);
        //PrintAndLog("Auto-detected clock rate: %d", clock);

-       return 0;
+  return 0;

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -555,37 +555,37 @@ int CmdDetectClockRate(const char *Cmd)
 //defaults: clock = 50, invert=0, rchigh=10, rclow=8 (RF/10 RF/8 (fsk2a))
 int CmdFSKrawdemod(const char *Cmd)
 {
 //defaults: clock = 50, invert=0, rchigh=10, rclow=8 (RF/10 RF/8 (fsk2a))
 int CmdFSKrawdemod(const char *Cmd)
 {

-       //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
-       //set defaults
-       int rfLen = 50;
-       int invert=0;
-       int fchigh=10;
-       int fclow=8;
-       //set options from parameters entered with the command
+  //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
+  //set defaults
+  int rfLen = 50;
+  int invert=0;
+  int fchigh=10;
+  int fclow=8;
+  //set options from parameters entered with the command

        sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
 
        sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
 

-       if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
-                //rfLen=param_get8(Cmd, 0); //if rfLen option only is used
-                if (rfLen==1){
-                       invert=1;   //if invert option only is used
-                       rfLen = 50;
-                } else if(rfLen==0) rfLen=50;
+  if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
+     //rfLen=param_get8(Cmd, 0); //if rfLen option only is used
+     if (rfLen==1){
+      invert=1;   //if invert option only is used
+      rfLen = 50;
+     } else if(rfLen==0) rfLen=50;

        }
        }

-       PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

        size_t BitLen = getFromGraphBuf(BitStream);
        int size  = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
        size_t BitLen = getFromGraphBuf(BitStream);
        int size  = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);

-       if (size>0){
-               PrintAndLog("FSK decoded bitstream:");
+  if (size>0){
+    PrintAndLog("FSK decoded bitstream:");

                setDemodBuf(BitStream,size);
 
                setDemodBuf(BitStream,size);
 

-               // 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
-               printBitStream(BitStream,size);
-       } else{
-               PrintAndLog("no FSK data found");
-       }
-       return 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
+    printBitStream(BitStream,size);
+  } else{
+    PrintAndLog("no FSK data found");
+  }
+  return 0;

 }
 
 //by marshmellow (based on existing demod + holiman's refactor)
 }
 
 //by marshmellow (based on existing demod + holiman's refactor)


@@ -593,73 +593,73 @@ int CmdFSKrawdemod(const char *Cmd)
 //print full HID Prox ID and some bit format details if found
 int CmdFSKdemodHID(const char *Cmd)
 {
 //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;
+  //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};
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

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

-       //get binary from fsk wave
+  //get binary from fsk wave

        size_t size  = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo);
        size_t size  = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo);

-       if (size<0){
-               PrintAndLog("Error demoding fsk");
-               return 0;
-       }
-       if (hi2==0 && hi==0 && lo==0) return 0;
-       if (hi2 != 0){ //extra large HID tags
+  if (size<0){
+    PrintAndLog("Error demoding fsk");
+    return 0;
+  }
+  if (hi2==0 && hi==0 && lo==0) return 0;
+  if (hi2 != 0){ //extra large HID tags

                PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
                PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",

-                        (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
+       (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);

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

-               return 1;
-       }
-       else {  //standard HID tags <38 bits
-               //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd
-               uint8_t fmtLen = 0;
-               uint32_t fc = 0;
-               uint32_t cardnum = 0;
-               if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
-                       uint32_t lo2=0;
-                       lo2=(((hi & 15) << 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++;
-                       }
+    return 1;
+  }
+  else {  //standard HID tags <38 bits
+    //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd
+    uint8_t fmtLen = 0;
+    uint32_t fc = 0;
+    uint32_t cardnum = 0;
+    if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
+      uint32_t lo2=0;
+      lo2=(((hi & 15) << 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;
                        fmtLen =idx3+19;

-                       fc =0;
-                       cardnum=0;
-                       if(fmtLen==26){
-                               cardnum = (lo>>1)&0xFFFF;
-                               fc = (lo>>17)&0xFF;
-                       }
-                       if(fmtLen==37){
-                               cardnum = (lo>>1)&0x7FFFF;
-                               fc = ((hi&0xF)<<12)|(lo>>20);
-                       }
-                       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);
-                       }
+      fc =0;
+      cardnum=0;
+      if(fmtLen==26){
+        cardnum = (lo>>1)&0xFFFF;
+        fc = (lo>>17)&0xFF;
+      }
+      if(fmtLen==37){
+        cardnum = (lo>>1)&0x7FFFF;
+        fc = ((hi&0xF)<<12)|(lo>>20);
+      }
+      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",
                }
                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);
+      (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+      (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum);

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

-               return 1;
-       }
-       return 0;
+    return 1;
+  }
+  return 0;

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -667,174 +667,174 @@ int CmdFSKdemodHID(const char *Cmd)
 //print ioprox ID and some format details
 int CmdFSKdemodIO(const char *Cmd)
 {
 //print ioprox ID and some format details
 int CmdFSKdemodIO(const char *Cmd)
 {

-       //raw fsk demod no manchester decoding no start bit finding just get binary from wave
-       //set defaults
+  //raw fsk demod no manchester decoding no start bit finding just get binary from wave
+  //set defaults

        int idx=0;
        int idx=0;

-       //something in graphbuffer
-       if (GraphTraceLen < 65) return 0;
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  //something in graphbuffer
+  if (GraphTraceLen < 65) return 0;
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

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

-       //get binary from fsk wave
-       // PrintAndLog("DEBUG: got buff");
+  //get binary from fsk wave
+ // PrintAndLog("DEBUG: got buff");

        idx = IOdemodFSK(BitStream,BitLen);
        idx = IOdemodFSK(BitStream,BitLen);

-       if (idx<0){
-               //PrintAndLog("Error demoding fsk");
-               return 0;
-       }
-       // PrintAndLog("DEBUG: Got IOdemodFSK");
-       if (idx==0){
-               //PrintAndLog("IO Prox Data not found - FSK Data:");
-               //if (BitLen > 92) printBitStream(BitStream,92);
-               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) 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]);
+  if (idx<0){
+    //PrintAndLog("Error demoding fsk");
+    return 0;
+  }
+ // PrintAndLog("DEBUG: Got IOdemodFSK");
+  if (idx==0){
+    //PrintAndLog("IO Prox Data not found - FSK Data:");
+    //if (BitLen > 92) printBitStream(BitStream,92);
+    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) 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",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]);
+  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 code = bytebits_to_byte(BitStream+idx,32);

        uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32);
        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 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

        PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
        int i;
        for (i=0;i<64;++i)
                DemodBuffer[i]=BitStream[idx++];
 
        DemodBufferLen=64;
        PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
        int i;
        for (i=0;i<64;++i)
                DemodBuffer[i]=BitStream[idx++];
 
        DemodBufferLen=64;

-       return 1;
+  return 1;

 }
 int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
 {
 }
 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; //if highlen > lowLen then highlen else 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);
+  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];
        bits[sizeof(bits)-1] = '\0';
 
 
        uint8_t bits[46];
        bits[sizeof(bits)-1] = '\0';
 

-       // 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;
+  // 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;

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


@@ -932,35 +932,6 @@ int CmdIndalaDecode(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

-/*
-//by marshmellow (attempt to get rid of high immediately after a low)
-void pskCleanWave2(uint8_t *bitStream, int bitLen)
-{
-       int i;
-       int low=128;
-       int gap = 4;
- // int loopMax = 2048;
-       int newLow=0;
-
-       for (i=0; i<bitLen; ++i)
-               if (bitStream[i]<low) low=bitStream[i];
-
-       low = (int)(((low-128)*.80)+128);
-       PrintAndLog("low: %d",low);
-       for (i=0; i<bitLen; ++i){
-               if (newLow==1){
-                       bitStream[i]=low+5;
-                       gap--;
-                       if (gap==0){
-                               newLow=0;
-                               gap=4;
-                       }
-               }
-               if (bitStream[i]<=low) newLow=1;
-       }
-       return;
-}
-*/

 int CmdPskClean(const char *Cmd)
 {
        uint8_t bitStream[MAX_GRAPH_TRACE_LEN]={0};
 int CmdPskClean(const char *Cmd)
 {
        uint8_t bitStream[MAX_GRAPH_TRACE_LEN]={0};


@@ -989,163 +960,199 @@ int CmdpskNRZrawDemod(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

-
-

 int CmdGrid(const char *Cmd)
 {
 int CmdGrid(const char *Cmd)
 {

-       sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY);
-       PlotGridXdefault= PlotGridX;
-       PlotGridYdefault= PlotGridY;
-       RepaintGraphWindow();
-       return 0;
+  sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY);
+  PlotGridXdefault= PlotGridX;
+  PlotGridYdefault= PlotGridY;
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdHexsamples(const char *Cmd)
 {
 }
 
 int CmdHexsamples(const char *Cmd)
 {

-       int i, j;
-       int requested = 0;
-       int offset = 0;
-       char string_buf[25];
-       char* string_ptr = string_buf;
-       uint8_t got[40000];
-
-       sscanf(Cmd, "%i %i", &requested, &offset);
-
-       /* if no args send something */
-       if (requested == 0) {
-               requested = 8;
-       }
-       if (offset + requested > sizeof(got)) {
-               PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > 40000");
-               return 0;
-       }
-
-       GetFromBigBuf(got,requested,offset);
-       WaitForResponse(CMD_ACK,NULL);
-
-       i = 0;
-       for (j = 0; j < requested; j++) {
-               i++;
-               string_ptr += sprintf(string_ptr, "%02x ", got[j]);
-               if (i == 8) {
-                       *(string_ptr - 1) = '\0';    // remove the trailing space
-                       PrintAndLog("%s", string_buf);
-                       string_buf[0] = '\0';
-                       string_ptr = string_buf;
-                       i = 0;
-               }
-               if (j == requested - 1 && string_buf[0] != '\0') { // print any remaining bytes
-                       *(string_ptr - 1) = '\0';
-                       PrintAndLog("%s", string_buf);
-                       string_buf[0] = '\0';
-               }
-       }
-       return 0;
+  int i, j;
+  int requested = 0;
+  int offset = 0;
+  char string_buf[25];
+  char* string_ptr = string_buf;
+  uint8_t got[40000];
+
+  sscanf(Cmd, "%i %i", &requested, &offset);
+
+  /* if no args send something */
+  if (requested == 0) {
+    requested = 8;
+  }
+  if (offset + requested > sizeof(got)) {
+    PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > 40000");
+    return 0;
+       }
+
+  GetFromBigBuf(got,requested,offset);
+  WaitForResponse(CMD_ACK,NULL);
+
+  i = 0;
+  for (j = 0; j < requested; j++) {
+    i++;
+    string_ptr += sprintf(string_ptr, "%02x ", got[j]);
+    if (i == 8) {
+      *(string_ptr - 1) = '\0';    // remove the trailing space
+      PrintAndLog("%s", string_buf);
+      string_buf[0] = '\0';
+      string_ptr = string_buf;
+      i = 0;
+    }
+    if (j == requested - 1 && string_buf[0] != '\0') { // print any remaining bytes
+      *(string_ptr - 1) = '\0';
+      PrintAndLog("%s", string_buf);
+      string_buf[0] = '\0';
+  }
+       }
+  return 0;

 }
 
 int CmdHide(const char *Cmd)
 {
 }
 
 int CmdHide(const char *Cmd)
 {

-       HideGraphWindow();
-       return 0;
+  HideGraphWindow();
+  return 0;

 }
 
 int CmdHpf(const char *Cmd)
 {
 }
 
 int CmdHpf(const char *Cmd)
 {

-       int i;
-       int accum = 0;
+  int i;
+  int accum = 0;

 
 

-       for (i = 10; i < GraphTraceLen; ++i)
-               accum += GraphBuffer[i];
-       accum /= (GraphTraceLen - 10);
-       for (i = 0; i < GraphTraceLen; ++i)
-               GraphBuffer[i] -= accum;
+  for (i = 10; i < GraphTraceLen; ++i)
+    accum += GraphBuffer[i];
+  accum /= (GraphTraceLen - 10);
+  for (i = 0; i < GraphTraceLen; ++i)
+    GraphBuffer[i] -= accum;

 
 

-       RepaintGraphWindow();
-       return 0;
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdSamples(const char *Cmd)
 {
 }
 
 int CmdSamples(const char *Cmd)
 {

-       int cnt = 0;
-       int n;

        uint8_t got[40000];
 
        uint8_t got[40000];
 

-       n = strtol(Cmd, NULL, 0);
-       if (n == 0) n = 6000;
-       if (n > sizeof(got)) n = sizeof(got);
+       int n = strtol(Cmd, NULL, 0);
+       if (n == 0)
+               n = 20000;

 
 

-       PrintAndLog("Reading %d samples\n", n);
-       GetFromBigBuf(got,n,0);
-       WaitForResponse(CMD_ACK,NULL);
-       for (int j = 0; j < n; j++) {
-               GraphBuffer[cnt++] = ((int)got[j]) - 128;
-       }
+       if (n > sizeof(got))
+               n = sizeof(got);

 
 

-       PrintAndLog("Done!\n");
-       GraphTraceLen = n;
-       RepaintGraphWindow();
-       return 0;
+       PrintAndLog("Reading %d samples from device memory\n", n);
+  GetFromBigBuf(got,n,0);
+  WaitForResponse(CMD_ACK,NULL);
+       for (int j = 0; j < n; j++) {
+               GraphBuffer[j] = ((int)got[j]) - 128;
+  }
+  GraphTraceLen = n;
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdTuneSamples(const char *Cmd)
 {
 }
 
 int CmdTuneSamples(const char *Cmd)
 {

-       int cnt = 0;
-       int n = 255;
-       uint8_t got[255];
+       int timeout = 0;
+       printf("\nMeasuring antenna characteristics, please wait...");

 
 

-       PrintAndLog("Reading %d samples\n", n);
-       GetFromBigBuf(got,n,7256); // armsrc/apps.h: #define FREE_BUFFER_OFFSET 7256
-       WaitForResponse(CMD_ACK,NULL);
-       for (int j = 0; j < n; j++) {
-               GraphBuffer[cnt++] = ((int)got[j]) - 128;
+       UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+       SendCommand(&c);
+
+       UsbCommand resp;
+       while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
+               timeout++;
+               printf(".");
+               if (timeout > 7) {
+                       PrintAndLog("\nNo response from Proxmark. Aborting...");
+                       return 1;
+               }

        }
 
        }
 

-       PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
-       PrintAndLog("\n");
-       GraphTraceLen = n;
-       RepaintGraphWindow();
-       return 0;
+       int peakv, peakf;
+       int vLf125, vLf134, vHf;
+       vLf125 = resp.arg[0] & 0xffff;
+       vLf134 = resp.arg[0] >> 16;
+       vHf = resp.arg[1] & 0xffff;;
+       peakf = resp.arg[2] & 0xffff;
+       peakv = resp.arg[2] >> 16;
+       PrintAndLog("");
+       PrintAndLog("# LF antenna: %5.2f V @   125.00 kHz", vLf125/1000.0);
+       PrintAndLog("# LF antenna: %5.2f V @   134.00 kHz", vLf134/1000.0);
+       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);
+       if (peakv<2000)
+               PrintAndLog("# Your LF antenna is unusable.");
+       else if (peakv<10000)
+               PrintAndLog("# Your LF antenna is marginal.");
+       if (vHf<2000)
+               PrintAndLog("# Your HF antenna is unusable.");
+       else if (vHf<5000)
+               PrintAndLog("# Your HF antenna is marginal.");
+
+       for (int i = 0; i < 256; i++) {
+               GraphBuffer[i] = resp.d.asBytes[i] - 128;
+       }
+
+  PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
+  PrintAndLog("\n");
+       GraphTraceLen = 256;
+       ShowGraphWindow();
+
+  return 0;

 }
 
 }
 

+

 int CmdLoad(const char *Cmd)
 {
 int CmdLoad(const char *Cmd)
 {

-       FILE *f = fopen(Cmd, "r");
-       if (!f) {
-               PrintAndLog("couldn't open '%s'", Cmd);
-               return 0;
-       }
-
-       GraphTraceLen = 0;
-       char line[80];
-       while (fgets(line, sizeof (line), f)) {
-               GraphBuffer[GraphTraceLen] = atoi(line);
-               GraphTraceLen++;
-       }
-       fclose(f);
-       PrintAndLog("loaded %d samples", GraphTraceLen);
-       RepaintGraphWindow();
-       return 0;
+   char filename[FILE_PATH_SIZE] = {0x00};
+   int len = 0;
+
+   len = strlen(Cmd);
+   if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+   memcpy(filename, Cmd, len);
+       
+   FILE *f = fopen(filename, "r");
+  if (!f) {
+     PrintAndLog("couldn't open '%s'", filename);
+    return 0;
+  }
+
+  GraphTraceLen = 0;
+  char line[80];
+  while (fgets(line, sizeof (line), f)) {
+    GraphBuffer[GraphTraceLen] = atoi(line);
+    GraphTraceLen++;
+  }
+  fclose(f);
+  PrintAndLog("loaded %d samples", GraphTraceLen);
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdLtrim(const char *Cmd)
 {
 }
 
 int CmdLtrim(const char *Cmd)
 {

-       int ds = atoi(Cmd);
+  int ds = atoi(Cmd);

 
 

-       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;

 
 

-       RepaintGraphWindow();
-       return 0;
+  RepaintGraphWindow();
+  return 0;

 }
 int CmdRtrim(const char *Cmd)
 {
 }
 int CmdRtrim(const char *Cmd)
 {

-       int ds = atoi(Cmd);
+  int ds = atoi(Cmd);

 
 

-       GraphTraceLen = ds;
+  GraphTraceLen = ds;

 
 

-       RepaintGraphWindow();
-       return 0;
+  RepaintGraphWindow();
+  return 0;

 }
 
 /*
 }
 
 /*


@@ -1163,298 +1170,306 @@ int CmdRtrim(const char *Cmd)
  */
 int CmdManchesterDemod(const char *Cmd)
 {
  */
 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 = GetClock(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;
+  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 = GetClock(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)
 {
 }
 
 /* Modulate our data into manchester */
 int CmdManchesterMod(const char *Cmd)
 {

-       int i, j;
-       int clock;
-       int bit, lastbit, wave;
-
-       /* Get our clock */
-       clock = GetClock(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 i, j;
+  int clock;
+  int bit, lastbit, wave;
+
+  /* Get our clock */
+  clock = GetClock(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 CmdNorm(const char *Cmd)
 {

-       int i;
-       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) {
-               for (i = 0; i < GraphTraceLen; ++i) {
+  int i;
+  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) {
+    for (i = 0; i < GraphTraceLen; ++i) {

                        GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 /
                        GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 /

-                               (max - min);
+        (max - min);

                                //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work
                                //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work

-               }
-       }
-       RepaintGraphWindow();
-       return 0;
+    }
+  }
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdPlot(const char *Cmd)
 {
 }
 
 int CmdPlot(const char *Cmd)
 {

-       ShowGraphWindow();
-       return 0;
+  ShowGraphWindow();
+  return 0;

 }
 
 int CmdSave(const char *Cmd)
 {
 }
 
 int CmdSave(const char *Cmd)
 {

-       FILE *f = fopen(Cmd, "w");
-       if(!f) {
-               PrintAndLog("couldn't open '%s'", Cmd);
-               return 0;
-       }
-       int i;
-       for (i = 0; i < GraphTraceLen; i++) {
-               fprintf(f, "%d\n", GraphBuffer[i]);
-       }
-       fclose(f);
-       PrintAndLog("saved to '%s'", Cmd);
-       return 0;
+   char filename[FILE_PATH_SIZE] = {0x00};
+   int len = 0;
+
+   len = strlen(Cmd);
+   if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+   memcpy(filename, Cmd, len);
+   
+
+  FILE *f = fopen(filename, "w");
+  if(!f) {
+    PrintAndLog("couldn't open '%s'", filename);
+    return 0;
+  }
+  int i;
+  for (i = 0; i < GraphTraceLen; i++) {
+    fprintf(f, "%d\n", GraphBuffer[i]);
+  }
+  fclose(f);
+  PrintAndLog("saved to '%s'", Cmd);
+  return 0;

 }
 
 int CmdScale(const char *Cmd)
 {
 }
 
 int CmdScale(const char *Cmd)
 {

-       CursorScaleFactor = atoi(Cmd);
-       if (CursorScaleFactor == 0) {
-               PrintAndLog("bad, can't have zero scale");
-               CursorScaleFactor = 1;
-       }
-       RepaintGraphWindow();
-       return 0;
+  CursorScaleFactor = atoi(Cmd);
+  if (CursorScaleFactor == 0) {
+    PrintAndLog("bad, can't have zero scale");
+    CursorScaleFactor = 1;
+  }
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdThreshold(const char *Cmd)
 {
 }
 
 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 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)
 }
 
 int CmdDirectionalThreshold(const char *Cmd)


@@ -1462,117 +1477,117 @@ int CmdDirectionalThreshold(const char *Cmd)
        int8_t upThres = param_get8(Cmd, 0);
        int8_t downThres = param_get8(Cmd, 1);
 
        int8_t upThres = param_get8(Cmd, 0);
        int8_t downThres = param_get8(Cmd, 1);
 

-       printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
-
-       int lastValue = GraphBuffer[0];
-       GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
-
-       for (int i = 1; i < GraphTraceLen; ++i) {
-               // Apply first threshold to samples heading up
-               if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
-               {
-                       lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
-                       GraphBuffer[i] = 1;
-               }
-               // 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;
-               }
-               else
-               {
-                       lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
-                       GraphBuffer[i] = GraphBuffer[i-1];
-
-               }
-       }
-       GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample.
-       RepaintGraphWindow();
-       return 0;
+  printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
+
+  int lastValue = GraphBuffer[0];
+  GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
+
+  for (int i = 1; i < GraphTraceLen; ++i) {
+    // Apply first threshold to samples heading up
+    if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
+    {
+      lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
+      GraphBuffer[i] = 1;
+    }
+    // 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;
+    }
+    else
+    {
+      lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
+      GraphBuffer[i] = GraphBuffer[i-1];
+
+    }
+  }
+  GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample.
+  RepaintGraphWindow();
+  return 0;

 }
 
 int CmdZerocrossings(const char *Cmd)
 {
 }
 
 int CmdZerocrossings(const char *Cmd)
 {

-       // Zero-crossings aren't meaningful unless the signal is zero-mean.
-       CmdHpf("");
-
-       int sign = 1;
-       int zc = 0;
-       int lastZc = 0;
-
-       for (int i = 0; i < GraphTraceLen; ++i) {
-               if (GraphBuffer[i] * sign >= 0) {
-                       // No change in sign, reproduce the previous sample count.
-                       zc++;
-                       GraphBuffer[i] = lastZc;
-               } else {
-                       // Change in sign, reset the sample count.
-                       sign = -sign;
-                       GraphBuffer[i] = lastZc;
-                       if (sign > 0) {
-                               lastZc = zc;
-                               zc = 0;
-                       }
-               }
-       }
-
-       RepaintGraphWindow();
-       return 0;
+  // Zero-crossings aren't meaningful unless the signal is zero-mean.
+  CmdHpf("");
+
+  int sign = 1;
+  int zc = 0;
+  int lastZc = 0;
+
+  for (int i = 0; i < GraphTraceLen; ++i) {
+    if (GraphBuffer[i] * sign >= 0) {
+      // No change in sign, reproduce the previous sample count.
+      zc++;
+      GraphBuffer[i] = lastZc;
+    } else {
+      // Change in sign, reset the sample count.
+      sign = -sign;
+      GraphBuffer[i] = lastZc;
+      if (sign > 0) {
+        lastZc = zc;
+        zc = 0;
+      }
+    }
+  }
+
+  RepaintGraphWindow();
+  return 0;

 }
 
 static command_t CommandTable[] =
 {
 }
 
 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"},
-       {"askmandemod",   Cmdaskmandemod,     1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"},
-       {"askrawdemod",   Cmdaskrawdemod,     1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"},
-       {"autocorr",      CmdAutoCorr,        1, "<window length> -- Autocorrelation over window"},
-       {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] Biphase decode binary stream already in graph buffer (offset = bit to start decode from)"},
-       {"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"},
+  {"help",          CmdHelp,            1, "This help"},
+  {"amp",           CmdAmp,             1, "Amplify peaks"},
+  {"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
+       {"askmandemod",   Cmdaskmandemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"},
+       {"askrawdemod",   Cmdaskrawdemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"},
+  {"autocorr",      CmdAutoCorr,        1, "<window length> -- Autocorrelation over window"},
+  {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] Biphase decode binary stream already in graph buffer (offset = bit to start decode from)"},
+  {"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, "Detect ASK clock rate"},
        {"detectclock",   CmdDetectClockRate, 1, "Detect ASK clock rate"},

-       {"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},
-       {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK using raw"},
-       {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox FSK using raw"},
-       {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (clock = 50)(invert = 1 or 0)(rchigh = 10)(rclow=8)"},
-       {"grid",          CmdGrid,            1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
+  {"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},
+  {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK using raw"},
+  {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox FSK using raw"},
+       {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
+  {"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"},
        {"hexsamples",    CmdHexsamples,      0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},

-       {"hide",          CmdHide,            1, "Hide graph window"},
-       {"hpf",           CmdHpf,             1, "Remove DC offset from 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 already in graph buffer"},
-       {"manmod",        CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},
+  {"hide",          CmdHide,            1, "Hide graph window"},
+  {"hpf",           CmdHpf,             1, "Remove DC offset from 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 already in graph buffer"},
+  {"manmod",        CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},

        {"norm",          CmdNorm,            1, "Normalize max/min to +/-128"},
        {"norm",          CmdNorm,            1, "Normalize max/min to +/-128"},

-       {"plot",          CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
+  {"plot",          CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},

        {"pskclean",      CmdPskClean,        1, "Attempt to clean psk wave"},
        {"pskdetectclock",CmdDetectNRZpskClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
        {"pskclean",      CmdPskClean,        1, "Attempt to clean psk wave"},
        {"pskdetectclock",CmdDetectNRZpskClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},

-       {"pskindalademod",CmdIndalaDecode,    1, "[clock] [invert<0 or 1>] -- Attempt to demodulate psk indala tags and output ID binary & hex (args optional[clock will try Auto-detect])"},
-       {"psknrzrawdemod",CmdpskNRZrawDemod,  1, "[clock] [invert<0 or 1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional[clock will try Auto-detect])"},
-       {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window"},
-       {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
-       {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
-       {"threshold",     CmdThreshold,       1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
+       {"pskindalademod",CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Attempt to demodulate psk indala tags and output ID binary & hex (args optional[clock will try Auto-detect])"},
+       {"psknrzrawdemod",CmdpskNRZrawDemod,  1, "[clock] [invert<0|1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional[clock will try Auto-detect])"},
+  {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window"},
+  {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
+  {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
+  {"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"},
        {"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"},

-       {"zerocrossings", CmdZerocrossings,   1, "Count time between zero-crossings"},
-       {NULL, NULL, 0, NULL}
+  {"zerocrossings", CmdZerocrossings,   1, "Count time between zero-crossings"},
+  {NULL, NULL, 0, NULL}

 };
 
 int CmdData(const char *Cmd)
 {
 };
 
 int CmdData(const char *Cmd)
 {

-       CmdsParse(CommandTable, Cmd);
-       return 0;
+  CmdsParse(CommandTable, Cmd);
+  return 0;

 }
 
 int CmdHelp(const char *Cmd)
 {
 }
 
 int CmdHelp(const char *Cmd)
 {

-       CmdsHelp(CommandTable);
-       return 0;
+  CmdsHelp(CommandTable);
+  return 0;

 }
 }