ADD: added the ioprox checksum test to IOdemodFSK

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 0c6cd72c2623ca6157bc9a3d05d911265a0f9297..c83cf087293faf83c1a035d666d781a51e28761a 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -21,6 +21,9 @@
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "lfdemod.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "lfdemod.h"

+#include "usb_cmd.h"
+#include "crc.h"
+

 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode;
 int DemodBufferLen;
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode;
 int DemodBufferLen;


@@ -30,6 +33,12 @@ static int CmdHelp(const char *Cmd);
 //by marshmellow
 void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
 {
 //by marshmellow
 void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
 {

+       if (buff == NULL) 
+               return;
+       
+       if ( size >= MAX_DEMOD_BUF_LEN)
+               size = MAX_DEMOD_BUF_LEN;
+       

        size_t i = 0;
        for (; i < size; i++){
                DemodBuffer[i]=buff[startIdx++];
        size_t i = 0;
        for (; i < size; i++){
                DemodBuffer[i]=buff[startIdx++];


@@ -47,7 +56,7 @@ int CmdSetDebugMode(const char *Cmd)
 }
 
 //by marshmellow
 }
 
 //by marshmellow

-void printDemodBuff()
+void printDemodBuff(void)

 {
        uint32_t i = 0;
        int bitLen = DemodBufferLen;
 {
        uint32_t i = 0;
        int bitLen = DemodBufferLen;


@@ -56,6 +65,10 @@ void printDemodBuff()
                return;
        }
        if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty
                return;
        }
        if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty

+               
+       // ensure equally divided by 16
+       bitLen &= 0xfff0;
+       

        for (i = 0; i <= (bitLen-16); i+=16) {
                PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
                        DemodBuffer[i],
        for (i = 0; i <= (bitLen-16); i+=16) {
                PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
                        DemodBuffer[i],


@@ -78,7 +91,28 @@ void printDemodBuff()
        return;
 }
 
        return;
 }
 

-
+int CmdPrintDemodBuff(const char *Cmd)
+{
+  char hex;
+  char printBuff[512]={0x00};
+  uint8_t numBits = DemodBufferLen & 0xFFF0;
+  sscanf(Cmd, "%c", &hex);
+  if (hex == 'h'){
+    PrintAndLog("Usage: data printdemodbuffer [x]");
+    PrintAndLog("Options:        ");
+    PrintAndLog("       h       This help");
+    PrintAndLog("       x       output in hex (omit for binary output)");
+    return 0;
+  }
+  if (hex == 'x'){
+    numBits = binarraytohex(printBuff, (char *)DemodBuffer, numBits);
+    if (numBits==0) return 0;
+    PrintAndLog("DemodBuffer: %s",printBuff);
+  } else {
+    printDemodBuff();
+  }
+  return 1;
+}

 int CmdAmp(const char *Cmd)
 {
   int i, rising, falling;
 int CmdAmp(const char *Cmd)
 {
   int i, rising, falling;


@@ -123,20 +157,19 @@ int CmdAmp(const char *Cmd)
  * Updates the Graph trace with 0/1 values
  *
  * Arguments:
  * Updates the Graph trace with 0/1 values
  *
  * Arguments:

- * c : 0 or 1
+ * c : 0 or 1  (or invert)

  */
  */

- //this method is dependant on all highs and lows to be the same(or clipped)  this creates issues[marshmellow] it also ignores the clock
+ //this method ignores the clock
+
+ //this function strictly converts highs and lows to 1s and 0s for each sample in the graphbuffer

 int Cmdaskdemod(const char *Cmd)
 {
   int i;
   int c, high = 0, low = 0;
 
 int Cmdaskdemod(const char *Cmd)
 {
   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);
 
   sscanf(Cmd, "%i", &c);
 

-  /* Detect high and lows and clock */
-       // (AL - clock???)
+  /* Detect high and lows */

   for (i = 0; i < GraphTraceLen; ++i)
   {
     if (GraphBuffer[i] > high)
   for (i = 0; i < GraphTraceLen; ++i)
   {
     if (GraphBuffer[i] > high)


@@ -166,9 +199,9 @@ int Cmdaskdemod(const char *Cmd)
      * down)
      */
     //[marhsmellow] change == to >= for high and <= for low for fuzz
      * down)
      */
     //[marhsmellow] change == to >= for high and <= for low for fuzz

-    if ((GraphBuffer[i] == high) && (GraphBuffer[i - 1] == c)) {
+    if ((GraphBuffer[i] >= high) && (GraphBuffer[i - 1] == c)) {

       GraphBuffer[i] = 1 - c;
       GraphBuffer[i] = 1 - c;

-    } else if ((GraphBuffer[i] == low) && (GraphBuffer[i - 1] == (1 - c))){
+    } else if ((GraphBuffer[i] <= low) && (GraphBuffer[i - 1] == (1 - c))){

       GraphBuffer[i] = c;
     } else {
       /* No transition */
       GraphBuffer[i] = c;
     } else {
       /* No transition */


@@ -179,132 +212,271 @@ int Cmdaskdemod(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+//this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
+int CmdGetBitStream(const char *Cmd)
+{
+  int i;
+  CmdHpf(Cmd);
+  for (i = 0; i < GraphTraceLen; i++) {
+    if (GraphBuffer[i] >= 1) {
+      GraphBuffer[i] = 1;
+    } else {
+      GraphBuffer[i] = 0;
+    }
+  }
+  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;
+
+         // ensure equally divided by 16
+       bitLen &= 0xfff0;
+
+
+       for (i = 0; i <= (bitLen-16); i+=16) {
+               PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
+                 BitStream[i],
+                 BitStream[i+1],
+                 BitStream[i+2],
+                 BitStream[i+3],
+                 BitStream[i+4],
+                 BitStream[i+5],
+                 BitStream[i+6],
+                 BitStream[i+7],
+                 BitStream[i+8],
+                 BitStream[i+9],
+                 BitStream[i+10],
+                 BitStream[i+11],
+                 BitStream[i+12],
+                 BitStream[i+13],
+                 BitStream[i+14],
+                 BitStream[i+15]);
+       }

        return;
 }
 //by marshmellow
        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;
-      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)));
-        }
+//print 64 bit EM410x ID in multiple formats
+void printEM410x(uint32_t hi, uint64_t id)
+{
+  if (id || hi){
+    uint64_t iii=1;
+    uint64_t id2lo=0;
+    uint32_t ii=0;
+    uint32_t i=0;
+    for (ii=5; ii>0;ii--){
+      for (i=0;i<8;i++){
+        id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8)));

       }
       }

-      //output em id
-      PrintAndLog("EM TAG ID    : %010llx", id);
-      PrintAndLog("Unique TAG ID: %010llx",  id2lo);
-      PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
-      PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFF);
-      PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
-      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;
+    }
+    if (hi){
+      //output 88 bit em id
+      PrintAndLog("EM TAG ID    : %06x%016llx", hi, id);
+    } else{
+      //output 40 bit em id
+    PrintAndLog("EM TAG ID    : %010llx", id);
+    PrintAndLog("Unique TAG ID: %010llx",  id2lo);
+       
+       PrintAndLog("");
+       PrintAndLog("Possible de-scramble patterns");
+       PrintAndLog("HoneyWell IdentKey");
+    PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
+    PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFFFF);
+    PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
+    PrintAndLog("DEZ 3.5A     : %03lld.%05lld",(id>>32ll),(id & 0xFFFF));
+       PrintAndLog("DEZ 3.5B     : %03lld.%05lld",(id & 0xFF000000) >> 24,(id & 0xFFFF));
+       PrintAndLog("DEZ 3.5C     : %03lld.%05lld",(id & 0xFF0000) >> 16,(id & 0xFFFF));
+    PrintAndLog("DEZ 14/IK2   : %014lld",id);
+    PrintAndLog("DEZ 15/IK3   : %015lld",id2lo);
+       PrintAndLog("DEZ 20/ZK    : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld",
+                       (id2lo & 0xf000000000) >> 36,
+                       (id2lo & 0x0f00000000) >> 32,
+                       (id2lo & 0x00f0000000) >> 28,
+                       (id2lo & 0x000f000000) >> 24,
+                       (id2lo & 0x0000f00000) >> 20,
+                       (id2lo & 0x00000f0000) >> 16,
+                       (id2lo & 0x000000f000) >> 12,
+                       (id2lo & 0x0000000f00) >> 8,
+                       (id2lo & 0x00000000f0) >> 4,
+                       (id2lo & 0x000000000f)
+                       );
+    PrintAndLog("Other        : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF));  
+       PrintAndLog("");                        
+       uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff))  + 0x143e00;
+       PrintAndLog("Pattern Paxton  : %lld (hex %08llX)", paxton, paxton);     
+
+       uint32_t p1id = (id & 0xFFFFFF);
+       uint8_t arr[32] = {0x00};
+       int i =0; 
+       int j = 23;
+       for (; i < 24; ++i, --j ){
+               arr[i] = (p1id >> i) & 1;
+       }
+
+       uint32_t p1  = 0;       
+
+       p1 |= arr[23] << 21;
+       p1 |= arr[22] << 23;
+       p1 |= arr[21] << 20;
+       p1 |= arr[20] << 22;
+       
+       p1 |= arr[19] << 18;
+       p1 |= arr[18] << 16;
+       p1 |= arr[17] << 19;
+       p1 |= arr[16] << 17;
+       
+       p1 |= arr[15] << 13;
+       p1 |= arr[14] << 15;
+       p1 |= arr[13] << 12;
+       p1 |= arr[12] << 14;    
+
+       p1 |= arr[11] << 6;
+       p1 |= arr[10] << 2;
+       p1 |= arr[9]  << 7;
+       p1 |= arr[8]  << 1;
+       
+       p1 |= arr[7]  << 0;
+       p1 |= arr[6]  << 8;
+       p1 |= arr[5]  << 11;
+       p1 |= arr[4]  << 3;     
+       
+       p1 |= arr[3]  << 10;
+       p1 |= arr[2]  << 4;
+       p1 |= arr[1]  << 5;
+       p1 |= arr[0]  << 9;     
+       PrintAndLog("Pattern 1       : %d (hex %X)", p1, p1);
+
+       uint16_t sebury1 = id & 0xFFFF;
+       uint8_t  sebury2 = (id >> 16) & 0x7F;
+       uint32_t sebury3 = id & 0x7FFFFF;
+       PrintAndLog("Pattern Sebury  : %010d %03d %d  (hex: %X %X %X)", sebury3, sebury2, sebury1, sebury3, sebury2, sebury1);
+       }
+  }
+  return;

 }
 
 //by marshmellow
 }
 
 //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;
-  size_t size = DemodBufferLen, idx=0;
-       id = Em410xDecode(DemodBuffer, &size, &idx);
-  if (id>0){
-    setDemodBuf(DemodBuffer, size, idx);
+//takes 3 arguments - clock, invert and maxErr as integers
+//attempts to demodulate ask while decoding manchester
+//prints binary found and saves in graphbuffer for further commands
+int CmdAskEM410xDemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data askem410xdemod [clock] <0|1> [maxError]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100.");
+    PrintAndLog("");
+    PrintAndLog("    sample: data askem410xdemod        = demod an EM410x Tag ID from GraphBuffer");
+    PrintAndLog("          : data askem410xdemod 32     = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data askem410xdemod 32 1   = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data askem410xdemod 1      = demod an EM410x Tag ID from GraphBuffer while inverting data");
+    PrintAndLog("          : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
+    return 0;
+  }
+  int ans = ASKmanDemod(Cmd, FALSE, FALSE);
+  if (!ans) return 0;
+
+  uint64_t lo =0;
+  uint32_t hi =0;
+  size_t idx=0;
+  if (Em410xDecode(DemodBuffer,(size_t *) &DemodBufferLen, &idx, &hi, &lo)){

     if (g_debugMode){
     if (g_debugMode){

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

       printDemodBuff();
     }
       printDemodBuff();
     }

-    printEM410x(id);
-    return 1; 
+    PrintAndLog("EM410x pattern found: ");
+    printEM410x(hi, lo);
+    return 1;

   }
   return 0;
 }
 
   }
   return 0;
 }
 

-
-//by marshmellow
-//takes 2 arguments - clock and invert both as integers
-//attempts to demodulate ask while decoding manchester
-//prints binary found and saves in graphbuffer for further commands
-int Cmdaskmandemod(const char *Cmd)
+int ASKmanDemod(const char *Cmd, bool verbose, bool emSearch)

 {
   int invert=0;
 {
   int invert=0;

-       int clk=0;
+  int clk=0;
+  int maxErr=100;
+  

   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 %i", &clk, &invert, &maxErr);

   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);
+  if (clk==1){
+    invert=1;
+    clk=0;
+  }
+  size_t BitLen = getFromGraphBuf(BitStream);

   if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
   if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);

+  if (BitLen==0) return 0;

   int errCnt=0;
   int errCnt=0;

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

     return 0;
     return 0;

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

 
   //output
   if (errCnt>0){
 
   //output
   if (errCnt>0){

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

   }
   }

-  PrintAndLog("ASK/Manchester decoded bitstream:");
+  if (verbose || g_debugMode) PrintAndLog("ASK/Manchester decoded bitstream:");

   // Now output the bitstream to the scrollback by line of 16 bits
   // Now output the bitstream to the scrollback by line of 16 bits

-       setDemodBuf(BitStream,BitLen,0);
-       printDemodBuff();
+  setDemodBuf(BitStream,BitLen,0);
+  if (verbose || g_debugMode) printDemodBuff();

   uint64_t lo =0;
   uint64_t lo =0;

+  uint32_t hi =0;

   size_t idx=0;
   size_t idx=0;

-  lo = Em410xDecode(BitStream, &BitLen, &idx);
-  if (lo>0){
-    //set GraphBuffer for clone or sim command
-    setDemodBuf(BitStream, BitLen, idx);
-    if (g_debugMode){
-      PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
-      printDemodBuff();
+  if (emSearch){
+    if (Em410xDecode(BitStream, &BitLen, &idx, &hi, &lo)){
+      //set GraphBuffer for clone or sim command
+      setDemodBuf(BitStream, BitLen, idx);
+      if (g_debugMode){
+        PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
+        printDemodBuff();
+      }
+      if (verbose) PrintAndLog("EM410x pattern found: ");
+      if (verbose) printEM410x(hi, lo);
+      return 1;

     }
     }

-    PrintAndLog("EM410x pattern found: ");
-    printEM410x(lo);
-    return 1;

   }
   }

-  return 0;
+  return 1;
+}
+
+//by marshmellow
+//takes 3 arguments - clock, invert, maxErr as integers
+//attempts to demodulate ask while decoding manchester
+//prints binary found and saves in graphbuffer for further commands
+int Cmdaskmandemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod am [clock] <0|1> [maxError]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100.");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod am        = demod an ask/manchester tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod am 32     = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data rawdemod am 32 1   = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data rawdemod am 1      = demod an ask/manchester tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    return 0;
+  }
+  return ASKmanDemod(Cmd, TRUE, TRUE);

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -314,35 +486,46 @@ 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;
+  size_t maxErr = 20;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data manrawdecode");
+    PrintAndLog("     Takes 10 and 01 and converts to 0 and 1 respectively");
+    PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");
+    PrintAndLog("");
+    PrintAndLog("    sample: data manrawdecode   = decode manchester bitstream from the demodbuffer");
+    return 0;
+  }
+  if (DemodBufferLen==0) return 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);
-  if (errCnt>=20){
+  size=i;
+  errCnt=manrawdecode(BitStream, &size);
+  if (errCnt>=maxErr){

     PrintAndLog("Too many errors: %d",errCnt);
     return 0;
   }
   PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);
     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;
+    uint64_t id = 0;
+    uint32_t hi = 0;

     size_t idx=0;
     size_t idx=0;

-               id = Em410xDecode(BitStream, &size, &idx);
-               if (id>0){
+    if (Em410xDecode(BitStream, &size, &idx, &hi, &id)){

       //need to adjust to set bitstream back to manchester encoded data
       //setDemodBuf(BitStream, size, idx);
 
       //need to adjust to set bitstream back to manchester encoded data
       //setDemodBuf(BitStream, size, idx);
 

-      printEM410x(id);
+      printEM410x(hi, id);

     }
   }
   return 1;
     }
   }
   return 1;


@@ -360,106 +543,362 @@ 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;

        size_t size=0;
        size_t size=0;

-  int offset=0;
-  int invert=0;
-  int high=0, low=0;
-       sscanf(Cmd, "%i %i", &offset, &invert);
-  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];
-  }
-  if (high>1 || low <0){
-    PrintAndLog("Error: please raw demod the wave first then decode");
-    return 0;
-  }
-       size=i;
+       int offset=0, invert=0, maxErr=20, errCnt=0;
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data biphaserawdecode [offset] [invert] [maxErr]");
+               PrintAndLog("     Converts 10 or 01 to 1 and 11 or 00 to 0");
+               PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");
+               PrintAndLog("");
+               PrintAndLog("     [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
+               PrintAndLog("     [invert <0|1>], set to 1 to invert output");
+               PrintAndLog("     [maxErr int],   set max errors tolerated - default=20");
+               PrintAndLog("");
+               PrintAndLog("    sample: data biphaserawdecode     = decode biphase bitstream from the demodbuffer");
+               PrintAndLog("    sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
+               return 0;
+       }
+       sscanf(Cmd, "%i %i %i", &offset, &invert, &maxErr);
+       if (DemodBufferLen==0){
+               PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first");
+               return 0;
+       }
+       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+       memcpy(BitStream, DemodBuffer, DemodBufferLen); 
+       size = DemodBufferLen;

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

-  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<0){
+               PrintAndLog("Error during decode:%d", errCnt);
+               return 0;
+       }
+       if (errCnt>maxErr){
+               PrintAndLog("Too many errors attempting to decode: %d",errCnt);
+               return 0;
+       }
+
+       if (errCnt>0){
+               PrintAndLog("# Errors found during Demod (shown as 77 in bit stream): %d",errCnt);
+       }
+       PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);

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

-  PrintAndLog("\nif bitstream does not look right try offset=1");
-  return 1;
+       
+       if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset);  //remove first bit from raw demod
+       return 1;
+}
+
+// set demod buffer back to raw after biphase demod
+void setBiphasetoRawDemodBuf(uint8_t *BitStream, size_t size)
+{
+  uint8_t rawStream[512]={0x00};
+  size_t i=0;
+  uint8_t curPhase=0;
+  if (size > 256) {
+    PrintAndLog("ERROR - Biphase Demod Buffer overrun");
+    return;
+  }
+  for (size_t idx=0; idx<size; idx++){
+    if(!BitStream[idx]){
+      rawStream[i++] = curPhase;
+      rawStream[i++] = curPhase;
+      curPhase ^= 1; 
+    } else {
+      rawStream[i++] = curPhase;
+      rawStream[i++] = curPhase ^ 1;
+    }
+  }
+  setDemodBuf(rawStream,i,0);
+  return;

 }
 
 //by marshmellow
 }
 
 //by marshmellow

-//takes 2 arguments - clock and invert both as integers
+//takes 4 arguments - clock, invert, maxErr as integers and amplify as char

 //attempts to demodulate ask only
 //prints binary found and saves in graphbuffer for further commands
 //attempts to demodulate ask only
 //prints binary found and saves in graphbuffer for further commands

-int Cmdaskrawdemod(const char *Cmd)
+int ASKrawDemod(const char *Cmd, bool verbose)

 {
 {

-       int invert=0;
-       int clk=0;
+  int invert=0;
+  int clk=0;
+  int maxErr=100;
+  uint8_t askAmp = 0;
+  char amp = param_getchar(Cmd, 0);

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

-       sscanf(Cmd, "%i %i", &clk, &invert);
+  sscanf(Cmd, "%i %i %i %c", &clk, &invert, &maxErr, &amp);

   if (invert != 0 && invert != 1) {
   if (invert != 0 && invert != 1) {

-    PrintAndLog("Invalid argument: %s", Cmd);
+    if (verbose || g_debugMode) PrintAndLog("Invalid argument: %s", Cmd);

     return 0;
   }
     return 0;
   }

-       size_t BitLen = getFromGraphBuf(BitStream);
+  if (clk==1){
+    invert=1;
+    clk=0;
+  }
+  if (amp == 'a' || amp == 'A') askAmp=1; 
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return 0;

   int errCnt=0;
   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");
-    if (g_debugMode==1) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert);
+  errCnt = askrawdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp);
+  if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
+    if (verbose || g_debugMode) PrintAndLog("no data found");
+    if (g_debugMode) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert);

     return 0;
     return 0;

-       }
-  PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+  }
+  if (verbose || g_debugMode) PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen);

   
   //move BitStream back to DemodBuffer
   
   //move BitStream back to DemodBuffer

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

 
 

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

   return 1;
 }
 
   return 1;
 }
 

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

 {
 {

-  static int CorrelBuffer[MAX_GRAPH_TRACE_LEN];
+       //ask raw demod GraphBuffer first
+       int offset=0, clk=0, invert=0, maxErr=0, ans=0;
+       ans = sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
+       if (ans>0)
+               ans = ASKrawDemod(Cmd+2, FALSE);
+       else
+               ans = ASKrawDemod(Cmd, FALSE);
+       if (!ans) {
+               if (g_debugMode || verbose) PrintAndLog("Error AskrawDemod: %d", ans);
+               return 0;
+       }
+
+       //attempt to Biphase decode DemodBuffer
+       size_t size = DemodBufferLen;
+       uint8_t BitStream[MAX_DEMOD_BUF_LEN];
+       memcpy(BitStream, DemodBuffer, DemodBufferLen); 

 
 

-  int window = atoi(Cmd);
+       int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+       if (errCnt < 0){
+               if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
+               return 0;
+       } 
+       if (errCnt > maxErr) {
+               if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt);
+               return 0;
+       }
+       //success set DemodBuffer and return
+       setDemodBuf(BitStream, size, 0);
+       if (g_debugMode || verbose){
+               PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
+               printDemodBuff();
+       }
+       return 1;
+}
+//by marshmellow - see ASKbiphaseDemod
+int Cmdaskbiphdemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod ab [offset] [clock] <invert> [maxError] <amplify>");
+    PrintAndLog("     [offset], offset to begin biphase, default=0");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
+    PrintAndLog("     <invert>, 1 to invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100");
+    PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
+    PrintAndLog("     NOTE: <invert>  can be entered as second or third argument");
+    PrintAndLog("     NOTE: <amplify> can be entered as first, second or last argument");
+    PrintAndLog("     NOTE: any other arg must have previous args set to work");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod ab            = demod an ask/biph tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod ab a          = demod an ask/biph tag from GraphBuffer, amplified");
+    PrintAndLog("          : data rawdemod ab 1 32       = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
+    PrintAndLog("          : data rawdemod ab 0 32 1     = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data rawdemod ab 0 1        = demod an ask/biph tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data rawdemod ab 0 64 1 0   = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    PrintAndLog("          : data rawdemod ab 0 64 1 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
+    return 0;
+  }
+  return ASKbiphaseDemod(Cmd, TRUE);
+}

 
 

-  if (window == 0) {
-    PrintAndLog("needs a window");
+//by marshmellow
+//attempts to demodulate and identify a G_Prox_II verex/chubb card
+//WARNING: if it fails during some points it will destroy the DemodBuffer data
+// but will leave the GraphBuffer intact.
+//if successful it will push askraw data back to demod buffer ready for emulation
+int CmdG_Prox_II_Demod(const char *Cmd)
+{
+  if (!ASKbiphaseDemod(Cmd, FALSE)){
+    if (g_debugMode) PrintAndLog("ASKbiphaseDemod failed 1st try");

     return 0;
   }
     return 0;
   }

-  if (window >= GraphTraceLen) {
-    PrintAndLog("window must be smaller than trace (%d samples)",
-      GraphTraceLen);
+  size_t size = DemodBufferLen;
+  //call lfdemod.c demod for gProxII
+  int ans = gProxII_Demod(DemodBuffer, &size);
+  if (ans < 0){
+    if (g_debugMode) PrintAndLog("Error gProxII_Demod");

     return 0;
     return 0;

+    }
+  //got a good demod
+  uint32_t ByteStream[65] = {0x00};
+  uint8_t xorKey=0;
+  uint8_t keyCnt=0;
+  uint8_t bitCnt=0;
+  uint8_t ByteCnt=0;
+  size_t startIdx = ans + 6; //start after preamble
+  for (size_t idx = 0; idx<size-6; idx++){
+    if ((idx+1) % 5 == 0){
+      //spacer bit - should be 0
+      if (DemodBuffer[startIdx+idx] != 0) {
+        if (g_debugMode) PrintAndLog("Error spacer not 0: %d, pos: %d",DemodBuffer[startIdx+idx],startIdx+idx);
+        return 0;
+      }
+      continue;
+    } 
+    if (keyCnt<8){ //lsb first
+      xorKey = xorKey | (DemodBuffer[startIdx+idx]<<keyCnt);
+      keyCnt++;
+      if (keyCnt==8 && g_debugMode) PrintAndLog("xorKey Found: %02x", xorKey);
+      continue;
+    }
+    //lsb first
+    ByteStream[ByteCnt] = ByteStream[ByteCnt] | (DemodBuffer[startIdx+idx]<<bitCnt);
+    bitCnt++;
+    if (bitCnt % 8 == 0){
+      if (g_debugMode) PrintAndLog("byte %d: %02x",ByteCnt,ByteStream[ByteCnt]);
+      bitCnt=0;
+      ByteCnt++;
+    }

   }
   }

+  for (uint8_t i = 0; i < ByteCnt; i++){
+    ByteStream[i] ^= xorKey; //xor
+    if (g_debugMode) PrintAndLog("byte %d after xor: %02x", i, ByteStream[i]);
+  }
+  //now ByteStream contains 64 bytes of decrypted raw tag data
+  // 
+  uint8_t fmtLen = ByteStream[0]>>2;
+  uint32_t FC = 0;
+  uint32_t Card = 0;
+  uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32);
+  uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+  uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32);
+
+  if (fmtLen==36){
+    FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1);
+    Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5);
+    PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen,FC,Card);
+  } else if(fmtLen==26){
+    FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7);
+    Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7);
+    PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen,FC,Card);    
+  } else {
+    PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",fmtLen);
+  }
+  PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3);
+  setDemodBuf(DemodBuffer+ans, 96, 0);
+  return 1;
+}

 
 

-  PrintAndLog("performing %d correlations", GraphTraceLen - window);
+//by marshmellow - see ASKrawDemod
+int Cmdaskrawdemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod ar [clock] <invert> [maxError] [amplify]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect");
+    PrintAndLog("     <invert>, 1 to invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100");
+    PrintAndLog("     <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod ar          = demod an ask tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod ar a        = demod an ask tag from GraphBuffer, amplified");
+    PrintAndLog("          : data rawdemod ar 32       = demod an ask tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data rawdemod ar 32 1     = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data rawdemod ar 1        = demod an ask tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data rawdemod ar 64 1 0   = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    PrintAndLog("          : data rawdemod ar 64 1 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
+    return 0;
+  }
+  return ASKrawDemod(Cmd, TRUE);
+}

 
 

+int AutoCorrelate(int window, bool SaveGrph, bool verbose)
+{
+  static int CorrelBuffer[MAX_GRAPH_TRACE_LEN];
+  size_t Correlation = 0;
+  int maxSum = 0;
+  int lastMax = 0;
+  if (verbose) 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;
   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;

+    if (sum >= maxSum-100 && sum <= maxSum+100){
+      //another max
+      Correlation = i-lastMax;
+      lastMax = i;
+      if (sum > maxSum) maxSum = sum;
+    } else if (sum > maxSum){
+      maxSum=sum;
+      lastMax = i;
+  }
+  }
+  if (Correlation==0){
+    //try again with wider margin
+    for (int i = 0; i < GraphTraceLen - window; i++){
+      if (CorrelBuffer[i] >= maxSum-(maxSum*0.05) && CorrelBuffer[i] <= maxSum+(maxSum*0.05)){
+        //another max
+        Correlation = i-lastMax;
+        lastMax = i;
+        //if (CorrelBuffer[i] > maxSum) maxSum = sum;
+      }
+    }

   }
   }

+  if (verbose && Correlation > 0) PrintAndLog("Possible Correlation: %d samples",Correlation);
+
+  if (SaveGrph){

   GraphTraceLen = GraphTraceLen - window;
   memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int));
   GraphTraceLen = GraphTraceLen - window;
   memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int));

+    RepaintGraphWindow();  
+  }
+  return Correlation;
+}

 
 

-  RepaintGraphWindow();
+int usage_data_autocorr(void)
+{
+  //print help
+  PrintAndLog("Usage: data autocorr [window] [g]");
+  PrintAndLog("Options:        ");
+  PrintAndLog("       h              This help");
+  PrintAndLog("       [window]       window length for correlation - default = 4000");
+  PrintAndLog("       g              save back to GraphBuffer (overwrite)");

   return 0;
 }
 
   return 0;
 }
 

+int CmdAutoCorr(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (cmdp == 'h' || cmdp == 'H') 
+    return usage_data_autocorr();
+  int window = 4000; //set default
+  char grph=0;
+  bool updateGrph = FALSE;
+  sscanf(Cmd, "%i %c", &window, &grph);
+
+  if (window >= GraphTraceLen) {
+    PrintAndLog("window must be smaller than trace (%d samples)",
+      GraphTraceLen);
+    return 0;
+  }
+  if (grph == 'g') updateGrph=TRUE;
+  return AutoCorrelate(window, updateGrph, TRUE);
+}
+

 int CmdBitsamples(const char *Cmd)
 {
   int cnt = 0;
 int CmdBitsamples(const char *Cmd)
 {
   int cnt = 0;


@@ -505,7 +944,7 @@ int CmdBitstream(const char *Cmd)
   }
 
   /* Get our clock */
   }
 
   /* Get our clock */

-  clock = GetClock(Cmd, high, 1);
+  clock = GetAskClock(Cmd, high, 1);

   gtl = ClearGraph(0);
 
   bit = 0;
   gtl = ClearGraph(0);
 
   bit = 0;


@@ -560,6 +999,43 @@ int CmdDec(const char *Cmd)
   RepaintGraphWindow();
   return 0;
 }
   RepaintGraphWindow();
   return 0;
 }

+/**
+ * Undecimate - I'd call it 'interpolate', but we'll save that
+ * name until someone does an actual interpolation command, not just
+ * blindly repeating samples
+ * @param Cmd
+ * @return
+ */
+int CmdUndec(const char *Cmd)
+{
+       if(param_getchar(Cmd, 0) == 'h')
+       {
+               PrintAndLog("Usage: data undec [factor]");
+               PrintAndLog("This function performs un-decimation, by repeating each sample N times");
+               PrintAndLog("Options:        ");
+               PrintAndLog("       h            This help");
+               PrintAndLog("       factor       The number of times to repeat each sample.[default:2]");
+               PrintAndLog("Example: 'data undec 3'");
+               return 0;
+       }
+
+       uint8_t factor = param_get8ex(Cmd, 0,2, 10);
+       //We have memory, don't we?
+       int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
+       uint32_t g_index = 0 ,s_index = 0;
+       while(g_index < GraphTraceLen && s_index < MAX_GRAPH_TRACE_LEN)
+       {
+               int count = 0;
+               for(count = 0; count < factor && s_index+count < MAX_GRAPH_TRACE_LEN; count ++)
+                       swap[s_index+count] = GraphBuffer[g_index];
+               s_index+=count;
+       }
+
+       memcpy(GraphBuffer,swap, s_index * sizeof(int));
+       GraphTraceLen = s_index;
+       RepaintGraphWindow();
+       return 0;
+}

 
 //by marshmellow
 //shift graph zero up or down based on input + or -
 
 //by marshmellow
 //shift graph zero up or down based on input + or -


@@ -582,44 +1058,97 @@ int CmdGraphShiftZero(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+//by marshmellow
+//use large jumps in read samples to identify edges of waves and then amplify that wave to max
+//similar to dirtheshold, threshold, and askdemod commands 
+//takes a threshold length which is the measured length between two samples then determines an edge
+int CmdAskEdgeDetect(const char *Cmd)
+{
+  int thresLen = 25;
+  sscanf(Cmd, "%i", &thresLen); 
+  int shift = 127;
+  int shiftedVal=0;
+  for(int i = 1; i<GraphTraceLen; i++){
+    if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up
+      shift=127;
+    else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down
+      shift=-127;
+
+    shiftedVal=GraphBuffer[i]+shift;
+
+    if (shiftedVal>127) 
+      shiftedVal=127;
+    else if (shiftedVal<-127) 
+      shiftedVal=-127;
+    GraphBuffer[i-1] = shiftedVal;
+  }
+  RepaintGraphWindow();
+  //CmdNorm("");
+  return 0;
+}
+

 /* Print our clock rate */
 // uses data from graphbuffer
 /* Print our clock rate */
 // uses data from graphbuffer

+// adjusted to take char parameter for type of modulation to find the clock - by marshmellow.

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

-  GetClock("",0,0);
-       //int clock = DetectASKClock(0);
-       //PrintAndLog("Auto-detected clock rate: %d", clock);
-  return 0;
+       char cmdp = param_getchar(Cmd, 0);
+       if (strlen(Cmd) > 3 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  data detectclock [modulation]");
+               PrintAndLog("     [modulation as char], specify the modulation type you want to detect the clock of");
+               PrintAndLog("       'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
+               PrintAndLog("");
+               PrintAndLog("    sample: data detectclock a    = detect the clock of an ask modulated wave in the GraphBuffer");
+               PrintAndLog("            data detectclock f    = detect the clock of an fsk modulated wave in the GraphBuffer");
+               PrintAndLog("            data detectclock p    = detect the clock of an psk modulated wave in the GraphBuffer");
+               PrintAndLog("            data detectclock n    = detect the clock of an nrz/direct modulated wave in the GraphBuffer");
+       }
+       int ans=0;
+       if (cmdp == 'a'){
+               ans = GetAskClock("", true, false);
+       } else if (cmdp == 'f'){
+               ans = GetFskClock("", true, false);
+       } else if (cmdp == 'n'){
+               ans = GetNrzClock("", true, false);
+       } else if (cmdp == 'p'){
+               ans = GetPskClock("", true, false);
+       } else {
+               PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help");
+       }
+       return ans;

 }
 
 //by marshmellow
 //fsk raw demod and print binary
 }
 
 //by marshmellow
 //fsk raw demod and print binary

-//takes 4 arguments - Clock, invert, rchigh, rclow
-//defaults: clock = 50, invert=0, rchigh=10, rclow=8 (RF/10 RF/8 (fsk2a))
-int CmdFSKrawdemod(const char *Cmd)
+//takes 4 arguments - Clock, invert, fchigh, fclow
+//defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
+int FSKrawDemod(const char *Cmd, bool verbose)

 {
   //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
   //set defaults
   int rfLen = 0;
 {
   //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
   //set defaults
   int rfLen = 0;

-  int invert=0;
-  int fchigh=0;
-  int fclow=0;
+  int invert = 0;
+  int fchigh = 0;
+  int fclow = 0;
+

   //set options from parameters entered with the command
   //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) {
      if (rfLen==1){
       invert=1;   //if invert option only is used
       rfLen = 0;
      }
 
   if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
      if (rfLen==1){
       invert=1;   //if invert option only is used
       rfLen = 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);
+  if (BitLen==0) return 0;

   //get field clock lengths
   uint16_t fcs=0;
   //get field clock lengths
   uint16_t fcs=0;

+  uint8_t dummy=0;

   if (fchigh==0 || fclow == 0){
   if (fchigh==0 || fclow == 0){

-    fcs=countFC(BitStream, BitLen);
+    fcs = countFC(BitStream, BitLen, &dummy);

     if (fcs==0){
       fchigh=10;
       fclow=8;
     if (fcs==0){
       fchigh=10;
       fclow=8;


@@ -633,21 +1162,51 @@ int CmdFSKrawdemod(const char *Cmd)
     rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
     if (rfLen == 0) rfLen = 50;
   }
     rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
     if (rfLen == 0) rfLen = 50;
   }

-  PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);
-       int size  = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
+  if (verbose) PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);
+  int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);

   if (size>0){
   if (size>0){

-    PrintAndLog("FSK decoded bitstream:");
-               setDemodBuf(BitStream,size,0);
+    setDemodBuf(BitStream,size,0);

 
     // Now output the bitstream to the scrollback by line of 16 bits
     if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits  most tags will have full bit stream inside that sample size
 
     // Now output the bitstream to the scrollback by line of 16 bits
     if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits  most tags will have full bit stream inside that sample size

+    if (verbose) {
+      PrintAndLog("FSK decoded bitstream:");

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

+    }
+
+    return 1;

   } else{
   } else{

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

   }
   return 0;
 }
 
   }
   return 0;
 }
 

+//by marshmellow
+//fsk raw demod and print binary
+//takes 4 arguments - Clock, invert, fchigh, fclow
+//defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
+int CmdFSKrawdemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod fs [clock] <invert> [fchigh] [fclow]");
+    PrintAndLog("     [set clock as integer] optional, omit for autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output, can be used even if the clock is omitted");
+    PrintAndLog("     [fchigh], larger field clock length, omit for autodetect");
+    PrintAndLog("     [fclow], small field clock length, omit for autodetect");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod fs           = demod an fsk tag from GraphBuffer using autodetect");
+    PrintAndLog("          : data rawdemod fs 32        = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
+    PrintAndLog("          : data rawdemod fs 1         = demod an fsk tag from GraphBuffer using autodetect, invert output");   
+    PrintAndLog("          : data rawdemod fs 32 1      = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
+    PrintAndLog("          : data rawdemod fs 64 0 8 5  = demod an fsk1 RF/64 tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
+    return 0;
+  }
+  return FSKrawDemod(Cmd, TRUE);
+}
+

 //by marshmellow (based on existing demod + holiman's refactor)
 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
 //print full HID Prox ID and some bit format details if found
 //by marshmellow (based on existing demod + holiman's refactor)
 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
 //print full HID Prox ID and some bit format details if found


@@ -657,11 +1216,24 @@ int CmdFSKdemodHID(const char *Cmd)
   uint32_t hi2=0, hi=0, lo=0;
 
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   uint32_t hi2=0, hi=0, lo=0;
 
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

-       size_t BitLen = getFromGraphBuf(BitStream);
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return 0;

   //get binary from fsk wave
   //get binary from fsk wave

-       size_t idx  = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+  int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);

   if (idx<0){
   if (idx<0){

-    if (g_debugMode) PrintAndLog("DEBUG: Error demoding fsk");
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: Error demoding fsk");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen);
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }   
+    }

     return 0;
   }
   if (hi2==0 && hi==0 && lo==0) {
     return 0;
   }
   if (hi2==0 && hi==0 && lo==0) {


@@ -669,7 +1241,7 @@ int CmdFSKdemodHID(const char *Cmd)
     return 0;
   }
   if (hi2 != 0){ //extra large HID tags
     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);
   }
   else {  //standard HID tags <38 bits
        (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
   }
   else {  //standard HID tags <38 bits


@@ -684,7 +1256,7 @@ int CmdFSKdemodHID(const char *Cmd)
         lo2=lo2>>1;
         idx3++;
       }
         lo2=lo2>>1;
         idx3++;
       }

-                       fmtLen =idx3+19;
+      fmtLen =idx3+19;

       fc =0;
       cardnum=0;
       if(fmtLen==26){
       fc =0;
       cardnum=0;
       if(fmtLen==26){


@@ -694,6 +1266,7 @@ int CmdFSKdemodHID(const char *Cmd)
       if(fmtLen==34){
         cardnum = (lo>>1)&0xFFFF;
         fc= ((hi&1)<<15)|(lo>>17);
       if(fmtLen==34){
         cardnum = (lo>>1)&0xFFFF;
         fc= ((hi&1)<<15)|(lo>>17);

+               // this could also be QUADRAKEY.  Uses 34bit HID. 

       }
       if(fmtLen==35){
         cardnum = (lo>>1)&0xFFFFF;
       }
       if(fmtLen==35){
         cardnum = (lo>>1)&0xFFFFF;


@@ -708,8 +1281,8 @@ int CmdFSKdemodHID(const char *Cmd)
         cardnum = (lo>>1)&0x7FFFF;
         fc = ((hi&0xF)<<12)|(lo>>20);
       }
         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);
   }


@@ -731,10 +1304,23 @@ int CmdFSKdemodParadox(const char *Cmd)
 
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t BitLen = getFromGraphBuf(BitStream);
 
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t BitLen = getFromGraphBuf(BitStream);

+  if (BitLen==0) return 0;

   //get binary from fsk wave
   //get binary from fsk wave

-  size_t idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+  int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);

   if (idx<0){
   if (idx<0){

-    if (g_debugMode) PrintAndLog("DEBUG: Error demoding fsk");
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");     
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: Error demoding fsk");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Error in Manchester data");
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }
+    }

     return 0;
   }
   if (hi2==0 && hi==0 && lo==0){
     return 0;
   }
   if (hi2==0 && hi==0 && lo==0){


@@ -743,9 +1329,12 @@ int CmdFSKdemodParadox(const char *Cmd)
   }
   uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
   uint32_t cardnum = (lo>>10)&0xFFFF;
   }
   uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
   uint32_t cardnum = (lo>>10)&0xFFFF;

-  
-  PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x",
-    hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF );
+  uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
+  uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
+  uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
+
+  PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
+    hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo);

   setDemodBuf(BitStream,BitLen,idx);
   if (g_debugMode){ 
     PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen);
   setDemodBuf(BitStream,BitLen,idx);
   if (g_debugMode){ 
     PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen);


@@ -754,7 +1343,6 @@ int CmdFSKdemodParadox(const char *Cmd)
   return 1;
 }
 
   return 1;
 }
 

-

 //by marshmellow
 //IO-Prox demod - FSK RF/64 with preamble of 000000001
 //print ioprox ID and some format details
 //by marshmellow
 //IO-Prox demod - FSK RF/64 with preamble of 000000001
 //print ioprox ID and some format details


@@ -762,19 +1350,34 @@ 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) {
     if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
     return 0;
   }
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   //something in graphbuffer?
   if (GraphTraceLen < 65) {
     if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
     return 0;
   }
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};

-       size_t BitLen = getFromGraphBuf(BitStream);
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return 0;

 
   //get binary from fsk wave
 
   //get binary from fsk wave

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

   if (idx<0){
   if (idx<0){

-    if (g_debugMode==1) PrintAndLog("DEBUG: demoding fsk error: %d", idx);
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");     
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: not enough samples");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: error during fskdemod");        
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -5) {
+        PrintAndLog("DEBUG: Separator bits not found");
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }
+    }

     return 0;
   }
   if (idx==0){
     return 0;
   }
   if (idx==0){


@@ -798,7 +1401,7 @@ int CmdFSKdemodIO(const char *Cmd)
     return 0;
   }
   PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx],    BitStream[idx+1],  BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]);
     return 0;
   }
   PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx],    BitStream[idx+1],  BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]);

-       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 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]);


@@ -806,20 +1409,33 @@ int CmdFSKdemodIO(const char *Cmd)
   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);
   PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]);
 
   uint32_t code = bytebits_to_byte(BitStream+idx,32);

-       uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32);
+  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);
+
+  uint8_t crc = bytebits_to_byte(BitStream+idx+54,8);
+  uint16_t calccrc = 0;
+ 
+  for (uint8_t i=1; i<6; ++i){
+       calccrc += bytebits_to_byte(BitStream+idx+9*i,8);
+       PrintAndLog("%d", calccrc);
+  }
+  calccrc &= 0xff;
+  calccrc = 0xff - calccrc;
+
+  char *crcStr = (crc == calccrc) ? "ok": "!crc";
+
+  PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)  [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr);
+  

   setDemodBuf(BitStream,64,idx);
   setDemodBuf(BitStream,64,idx);

-       if (g_debugMode){
+  if (g_debugMode){

     PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
     printDemodBuff();
   }
     PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
     printDemodBuff();
   }

-       return 1;
+  return 1;

 }
 
 }
 

-

 //by marshmellow
 //AWID Prox demod - FSK RF/50 with preamble of 00000001  (always a 96 bit data stream)
 //print full AWID Prox ID and some bit format details if found
 //by marshmellow
 //AWID Prox demod - FSK RF/50 with preamble of 00000001  (always a 96 bit data stream)
 //print full AWID Prox ID and some bit format details if found


@@ -832,23 +1448,22 @@ int CmdFSKdemodAWID(const char *Cmd)
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);

+  if (size==0) return 0;

 
   //get binary from fsk wave
 
   //get binary from fsk wave

-  int idx = AWIDdemodFSK(BitStream, size);
+  int idx = AWIDdemodFSK(BitStream, &size);

   if (idx<=0){
     if (g_debugMode==1){
       if (idx == -1)
         PrintAndLog("DEBUG: Error - not enough samples");
       else if (idx == -2)
   if (idx<=0){
     if (g_debugMode==1){
       if (idx == -1)
         PrintAndLog("DEBUG: Error - not enough samples");
       else if (idx == -2)

-        PrintAndLog("DEBUG: Error - only noise found - no waves");
+        PrintAndLog("DEBUG: Error - only noise found");

       else if (idx == -3)
         PrintAndLog("DEBUG: Error - problem during FSK demod");
       else if (idx == -3)
         PrintAndLog("DEBUG: Error - problem during FSK demod");

-    //  else if (idx == -3)
-    //    PrintAndLog("Error: thought we had a tag but the parity failed");

       else if (idx == -4)
         PrintAndLog("DEBUG: Error - AWID preamble not found");
       else if (idx == -5)
       else if (idx == -4)
         PrintAndLog("DEBUG: Error - AWID preamble not found");
       else if (idx == -5)

-        PrintAndLog("DEBUG: Error - Second AWID preamble not found");
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);

       else
         PrintAndLog("DEBUG: Error %d",idx);
     }
       else
         PrintAndLog("DEBUG: Error %d",idx);
     }


@@ -903,16 +1518,16 @@ int CmdFSKdemodAWID(const char *Cmd)
     fc = bytebits_to_byte(BitStream+9, 8);
     cardnum = bytebits_to_byte(BitStream+17, 16);
     code1 = bytebits_to_byte(BitStream+8,fmtLen);
     fc = bytebits_to_byte(BitStream+9, 8);
     cardnum = bytebits_to_byte(BitStream+17, 16);
     code1 = bytebits_to_byte(BitStream+8,fmtLen);

-    PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+    PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);

   } else {
     cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
     if (fmtLen>32){
       code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
       code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
   } else {
     cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
     if (fmtLen>32){
       code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
       code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);

-      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);

     } else{
       code1 = bytebits_to_byte(BitStream+8,fmtLen);
     } else{
       code1 = bytebits_to_byte(BitStream+8,fmtLen);

-      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);

     }
   }
   if (g_debugMode){
     }
   }
   if (g_debugMode){


@@ -931,19 +1546,20 @@ int CmdFSKdemodPyramid(const char *Cmd)
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);

+  if (size==0) return 0;

 
   //get binary from fsk wave
 
   //get binary from fsk wave

-  int idx = PyramiddemodFSK(BitStream, size);
+  int idx = PyramiddemodFSK(BitStream, &size);

   if (idx < 0){
     if (g_debugMode==1){
       if (idx == -5)
         PrintAndLog("DEBUG: Error - not enough samples");
       else if (idx == -1)
   if (idx < 0){
     if (g_debugMode==1){
       if (idx == -5)
         PrintAndLog("DEBUG: Error - not enough samples");
       else if (idx == -1)

-        PrintAndLog("DEBUG: Error - only noise found - no waves");
+        PrintAndLog("DEBUG: Error - only noise found");

       else if (idx == -2)
         PrintAndLog("DEBUG: Error - problem during FSK demod");
       else if (idx == -3)
       else if (idx == -2)
         PrintAndLog("DEBUG: Error - problem during FSK demod");
       else if (idx == -3)

-        PrintAndLog("DEBUG: Error - Second Pyramid preamble not found");
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);

       else if (idx == -4)
         PrintAndLog("DEBUG: Error - Pyramid preamble not found");
       else
       else if (idx == -4)
         PrintAndLog("DEBUG: Error - Pyramid preamble not found");
       else


@@ -971,7 +1587,17 @@ int CmdFSKdemodPyramid(const char *Cmd)
   // w = wiegand parity, x = extra space for other formats
   // p = unknown checksum
   // (26 bit format shown)
   // w = wiegand parity, x = extra space for other formats
   // p = unknown checksum
   // (26 bit format shown)

-  
+
+  //get bytes for checksum calc
+  uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8);
+  uint8_t csBuff[14] = {0x00};
+  for (uint8_t i = 0; i < 13; i++){
+    csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8);
+  }
+  //check checksum calc
+  //checksum calc thanks to ICEMAN!!
+  uint32_t checkCS =  CRC8Maxim(csBuff,13);
+

   //get raw ID before removing parities
   uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32);
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);
   //get raw ID before removing parities
   uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32);
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);


@@ -981,7 +1607,8 @@ int CmdFSKdemodPyramid(const char *Cmd)
 
   size = removeParity(BitStream, idx+8, 8, 1, 120);
   if (size != 105){
 
   size = removeParity(BitStream, idx+8, 8, 1, 120);
   if (size != 105){

-    if (g_debugMode==1) PrintAndLog("DEBUG: Error at parity check-tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3);
+    if (g_debugMode==1) 
+      PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3);

     return 0;
   }
 
     return 0;
   }
 


@@ -1022,24 +1649,28 @@ int CmdFSKdemodPyramid(const char *Cmd)
     fc = bytebits_to_byte(BitStream+73, 8);
     cardnum = bytebits_to_byte(BitStream+81, 16);
     code1 = bytebits_to_byte(BitStream+72,fmtLen);
     fc = bytebits_to_byte(BitStream+73, 8);
     cardnum = bytebits_to_byte(BitStream+81, 16);
     code1 = bytebits_to_byte(BitStream+72,fmtLen);

-    PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo);
+    PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo);

   } else if (fmtLen==45){
     fmtLen=42; //end = 10 bits not 7 like 26 bit fmt
     fc = bytebits_to_byte(BitStream+53, 10);
     cardnum = bytebits_to_byte(BitStream+63, 32);
   } else if (fmtLen==45){
     fmtLen=42; //end = 10 bits not 7 like 26 bit fmt
     fc = bytebits_to_byte(BitStream+53, 10);
     cardnum = bytebits_to_byte(BitStream+63, 32);

-    PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo);
+    PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo);

   } else {
     cardnum = bytebits_to_byte(BitStream+81, 16);
     if (fmtLen>32){
       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
       //code2 = bytebits_to_byte(BitStream+(size-32),32);
   } else {
     cardnum = bytebits_to_byte(BitStream+81, 16);
     if (fmtLen>32){
       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
       //code2 = bytebits_to_byte(BitStream+(size-32),32);

-      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
+      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);

     } else{
       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
     } else{
       //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);

-      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
+      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);

     }
   }
     }
   }

-  //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
+  if (checksum == checkCS)
+    PrintAndLog("Checksum %02x passed", checksum);
+  else
+    PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS);
+

   if (g_debugMode){
     PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
     printDemodBuff();
   if (g_debugMode){
     PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
     printDemodBuff();


@@ -1166,87 +1797,78 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
 }
 
 //by marshmellow
 }
 
 //by marshmellow

-//attempt to detect the field clock and bit clock for FSK
-int CmdFSKfcDetect(const char *Cmd)
+//attempt to psk1 demod graph buffer
+int PSKDemod(const char *Cmd, bool verbose)

 {
 {

+  int invert=0;
+  int clk=0;
+  int maxErr=100;
+  sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
+  if (clk==1){
+    invert=1;
+    clk=0;
+  }
+  if (invert != 0 && invert != 1) {
+    if (verbose) PrintAndLog("Invalid argument: %s", Cmd);
+    return 0;
+  }

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

-  size_t size = getFromGraphBuf(BitStream);
-
-  uint16_t ans = countFC(BitStream, size); 
-  if (ans==0) {
-    if (g_debugMode) PrintAndLog("DEBUG: No data found");
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return -1;
+  uint8_t carrier=countPSK_FC(BitStream, BitLen);
+  if (carrier!=2 && carrier!=4 && carrier!=8){
+    //invalid carrier

     return 0;
   }
     return 0;
   }

-  uint8_t fc1, fc2;
-  fc1 = (ans >> 8) & 0xFF;
-  fc2 = ans & 0xFF;
-
-  uint8_t rf1 = detectFSKClk(BitStream, size, fc1, fc2);
-  if (rf1==0) {
-    if (g_debugMode) PrintAndLog("DEBUG: Clock detect error");
+  int errCnt=0;
+  errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
+  if (errCnt > maxErr){
+    if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);

     return 0;
     return 0;

+  } 
+  if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
+    if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+    return 0;
+  }
+  if (verbose){
+    PrintAndLog("Tried PSK Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+    if (errCnt>0){
+      PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+    }

   }
   }

-  PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
+  //prime demod buffer for output
+  setDemodBuf(BitStream,BitLen,0);

   return 1;
 }
 
   return 1;
 }
 

-int CmdDetectNRZpskClockRate(const char *Cmd)
-{
-       GetNRZpskClock("",0,0);
-       return 0;
-}
-
-int PSKnrzDemod(const char *Cmd, uint8_t verbose)
-{
-       int invert=0;
-       int clk=0;
-       sscanf(Cmd, "%i %i", &clk, &invert);
-       if (invert != 0 && invert != 1) {
-               PrintAndLog("Invalid argument: %s", Cmd);
-               return -1;
-       }
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       size_t BitLen = getFromGraphBuf(BitStream);
-       int errCnt=0;
-       errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert);
-       if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
-               if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
-               return -1;
-       }
-  if (verbose) PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
-
-       //prime demod buffer for output
-       setDemodBuf(BitStream,BitLen,0);
-       return errCnt;
-}

 // Indala 26 bit decode
 // by marshmellow
 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
 int CmdIndalaDecode(const char *Cmd)
 {
 // Indala 26 bit decode
 // by marshmellow
 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
 int CmdIndalaDecode(const char *Cmd)
 {

-  int ans;
-  if (strlen(Cmd)>0){
-    ans = PSKnrzDemod(Cmd, 0);
-  } else{ //default to RF/32
-    ans = PSKnrzDemod("32", 0);
-  }
+       int ans;
+       if (strlen(Cmd)>0){
+               ans = PSKDemod(Cmd, 0);
+       } else{ //default to RF/32
+               ans = PSKDemod("32", 0);
+       }

 
 

-       if (ans < 0){
+       if (!ans){

                if (g_debugMode==1) 
                if (g_debugMode==1) 

-      PrintAndLog("Error1: %d",ans);
+                       PrintAndLog("Error1: %d",ans);

                return 0;
        }
        uint8_t invert=0;
        ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
        if (ans < 1) {
                if (g_debugMode==1)
                return 0;
        }
        uint8_t invert=0;
        ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
        if (ans < 1) {
                if (g_debugMode==1)

-      PrintAndLog("Error2: %d",ans);
+                       PrintAndLog("Error2: %d",ans);

                return -1;
        }
                return -1;
        }

-       char showbits[251];
+       char showbits[251]={0x00};

        if (invert)
        if (invert)

-    if (g_debugMode==1)
-      PrintAndLog("Had to invert bits");
+               if (g_debugMode==1)
+                       PrintAndLog("Had to invert bits");

 
        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
 
        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;


@@ -1293,74 +1915,189 @@ int CmdIndalaDecode(const char *Cmd)
                showbits[idx]='\0';
                PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
        }
                showbits[idx]='\0';
                PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
        }

+       if (g_debugMode){
+               PrintAndLog("DEBUG: printing demodbuffer:");
+               printDemodBuff();
+       }

        return 1;
 }
 
        return 1;
 }
 

-int CmdPskClean(const char *Cmd)
+// by marshmellow
+// takes 3 arguments - clock, invert, maxErr as integers
+// attempts to demodulate nrz only
+// prints binary found and saves in demodbuffer for further commands
+
+int NRZrawDemod(const char *Cmd, bool verbose)

 {
 {

-       uint8_t bitStream[MAX_GRAPH_TRACE_LEN]={0};
-       size_t bitLen = getFromGraphBuf(bitStream);
-       pskCleanWave(bitStream, bitLen);
-       setGraphBuf(bitStream, bitLen);
-       return 0;
+  int invert=0;
+  int clk=0;
+  int maxErr=100;
+  sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
+  if (clk==1){
+    invert=1;
+    clk=0;
+  }
+  if (invert != 0 && invert != 1) {
+    PrintAndLog("Invalid argument: %s", Cmd);
+    return 0;
+  }
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return 0;
+  int errCnt=0;
+  errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
+  if (errCnt > maxErr){
+    if (g_debugMode==1 && verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+    return 0;
+  } 
+  if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
+    if (g_debugMode==1 && verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+    return 0;
+  }
+  if (verbose) 
+       PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+  //prime demod buffer for output
+  setDemodBuf(BitStream,BitLen,0);
+
+  if (errCnt>0 && verbose){
+    PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+  }
+  if (verbose) {
+  PrintAndLog("NRZ demoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  printDemodBuff();
+  }
+  return 1; 
+}
+
+int CmdNRZrawDemod(const char *Cmd)
+{
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod nr [clock] <0|1> [maxError]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100.");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod nr        = demod a nrz/direct tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod nr 32     = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data rawdemod nr 32 1   = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data rawdemod nr 1      = demod a nrz/direct tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    return 0;
+  }
+  return NRZrawDemod(Cmd, TRUE);

 }
 
 // by marshmellow
 }
 
 // by marshmellow

-// takes 2 arguments - clock and invert both as integers
+// takes 3 arguments - clock, invert, maxErr as integers

 // attempts to demodulate psk only
 // prints binary found and saves in demodbuffer for further commands
 // attempts to demodulate psk only
 // prints binary found and saves in demodbuffer for further commands

-int CmdpskNRZrawDemod(const char *Cmd)
+int CmdPSK1rawDemod(const char *Cmd)

 {
 {

-  int errCnt;
- 
-  errCnt = PSKnrzDemod(Cmd, 1);
-       //output
-       if (errCnt<0){
-    if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);  
+  int ans;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod p1 [clock] <0|1> [maxError]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100.");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod p1        = demod a psk1 tag from GraphBuffer");
+    PrintAndLog("          : data rawdemod p1 32     = demod a psk1 tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data rawdemod p1 32 1   = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data rawdemod p1 1      = demod a psk1 tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");

     return 0;
     return 0;

-  } 
-       if (errCnt>0){
-               if (g_debugMode){
-      PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
-      PrintAndLog("PSK or NRZ demoded bitstream:");
-      // Now output the bitstream to the scrollback by line of 16 bits
-      printDemodBuff();
-    }
-       }else{
-    PrintAndLog("PSK or NRZ demoded bitstream:");
-    // Now output the bitstream to the scrollback by line of 16 bits
-    printDemodBuff();  
-    return 1;

   }
   }

-  return 0;
+  ans = PSKDemod(Cmd, TRUE);
+  //output
+  if (!ans){
+    if (g_debugMode) PrintAndLog("Error demoding: %d",ans); 
+    return 0;
+  }
+ 
+  PrintAndLog("PSK demoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  printDemodBuff();
+  return 1;

 }
 
 // by marshmellow
 }
 
 // by marshmellow

-// takes same args as cmdpsknrzrawdemod
+// takes same args as cmdpsk1rawdemod

 int CmdPSK2rawDemod(const char *Cmd)
 {
 int CmdPSK2rawDemod(const char *Cmd)
 {

-  int errCnt=0;
-  errCnt=PSKnrzDemod(Cmd, 1);
-  if (errCnt<0){
-    if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);  
+  int ans=0;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data rawdemod p2 [clock] <0|1> [maxError]");
+    PrintAndLog("     [set clock as integer] optional, if not set, autodetect.");
+    PrintAndLog("     <invert>, 1 for invert output");
+    PrintAndLog("     [set maximum allowed errors], default = 100.");
+    PrintAndLog("");
+    PrintAndLog("    sample: data rawdemod p2         = demod a psk2 tag from GraphBuffer, autodetect clock");
+    PrintAndLog("          : data rawdemod p2 32      = demod a psk2 tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data rawdemod p2 32 1    = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
+    PrintAndLog("          : data rawdemod p2 1       = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
+    PrintAndLog("          : data rawdemod p2 64 1 0  = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
+    return 0;
+  }
+  ans=PSKDemod(Cmd, TRUE);
+  if (!ans){
+    if (g_debugMode) PrintAndLog("Error demoding: %d",ans);  

     return 0;
   } 
   psk1TOpsk2(DemodBuffer, DemodBufferLen);
     return 0;
   } 
   psk1TOpsk2(DemodBuffer, DemodBufferLen);

-  if (errCnt>0){
-    if (g_debugMode){
-      PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
-      PrintAndLog("PSK2 demoded bitstream:");
-      // Now output the bitstream to the scrollback by line of 16 bits
-      printDemodBuff();
-    }
-  }else{
-    PrintAndLog("PSK2 demoded bitstream:");
-    // Now output the bitstream to the scrollback by line of 16 bits
-    printDemodBuff();  
-  }
+  PrintAndLog("PSK2 demoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  printDemodBuff();  

   return 1;
 }
 
   return 1;
 }
 

+// by marshmellow - combines all raw demod functions into one menu command
+int CmdRawDemod(const char *Cmd)
+{
+       char cmdp = Cmd[0]; //param_getchar(Cmd, 0);
+
+       if (strlen(Cmd) > 14 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) {
+               PrintAndLog("Usage:  data rawdemod [modulation] <help>|<options>");
+               PrintAndLog("   [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");           
+               PrintAndLog("         'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
+               PrintAndLog("   <help> as 'h', prints the help for the specific modulation");   
+               PrintAndLog("   <options> see specific modulation help for optional parameters");                               
+               PrintAndLog("");
+               PrintAndLog("    sample: data rawdemod fs h         = print help for ask/raw demod");
+               PrintAndLog("          : data rawdemod fs           = demod GraphBuffer using: fsk - autodetect");
+               PrintAndLog("          : data rawdemod ab           = demod GraphBuffer using: ask/biphase - autodetect");
+               PrintAndLog("          : data rawdemod am           = demod GraphBuffer using: ask/manchester - autodetect");
+               PrintAndLog("          : data rawdemod ar           = demod GraphBuffer using: ask/raw - autodetect");
+               PrintAndLog("          : data rawdemod nr           = demod GraphBuffer using: nrz/direct - autodetect");
+               PrintAndLog("          : data rawdemod p1           = demod GraphBuffer using: psk1 - autodetect");
+               PrintAndLog("          : data rawdemod p2           = demod GraphBuffer using: psk2 - autodetect");
+               return 0;
+       }
+       char cmdp2 = Cmd[1];
+       int ans = 0;
+       if (cmdp == 'f' && cmdp2 == 's'){
+               ans = CmdFSKrawdemod(Cmd+3);
+       } else if(cmdp == 'a' && cmdp2 == 'b'){
+               ans = Cmdaskbiphdemod(Cmd+3);
+       } else if(cmdp == 'a' && cmdp2 == 'm'){
+               ans = Cmdaskmandemod(Cmd+3);
+       } else if(cmdp == 'a' && cmdp2 == 'r'){
+               ans = Cmdaskrawdemod(Cmd+3);
+       } else if(cmdp == 'n' && cmdp2 == 'r'){
+               ans = CmdNRZrawDemod(Cmd+3);
+       } else if(cmdp == 'p' && cmdp2 == '1'){
+               ans = CmdPSK1rawDemod(Cmd+3);
+       } else if(cmdp == 'p' && cmdp2 == '2'){
+               ans = CmdPSK2rawDemod(Cmd+3);
+       } else { 
+               PrintAndLog("unknown modulation entered - see help ('h') for parameter structure");
+       }
+       return ans;
+}
+

 int CmdGrid(const char *Cmd)
 {
   sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY);
 int CmdGrid(const char *Cmd)
 {
   sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY);


@@ -1377,7 +2114,7 @@ int CmdHexsamples(const char *Cmd)
   int offset = 0;
   char string_buf[25];
   char* string_ptr = string_buf;
   int offset = 0;
   char string_buf[25];
   char* string_ptr = string_buf;

-  uint8_t got[40000];
+  uint8_t got[BIGBUF_SIZE];

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


@@ -1386,7 +2123,7 @@ int CmdHexsamples(const char *Cmd)
     requested = 8;
   }
   if (offset + requested > sizeof(got)) {
     requested = 8;
   }
   if (offset + requested > sizeof(got)) {

-    PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > 40000");
+    PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE);

     return 0;
        }
 
     return 0;
        }
 


@@ -1408,8 +2145,8 @@ int CmdHexsamples(const char *Cmd)
       *(string_ptr - 1) = '\0';
       PrintAndLog("%s", string_buf);
       string_buf[0] = '\0';
       *(string_ptr - 1) = '\0';
       PrintAndLog("%s", string_buf);
       string_buf[0] = '\0';

+    }

   }
   }

-       }

   return 0;
 }
 
   return 0;
 }
 


@@ -1419,6 +2156,7 @@ int CmdHide(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+//zero mean GraphBuffer

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


@@ -1433,27 +2171,81 @@ int CmdHpf(const char *Cmd)
   RepaintGraphWindow();
   return 0;
 }
   RepaintGraphWindow();
   return 0;
 }

+typedef struct {
+       uint8_t * buffer;
+       uint32_t numbits;
+       uint32_t position;
+}BitstreamOut;
+
+bool _headBit( BitstreamOut *stream)
+{
+       int bytepos = stream->position >> 3; // divide by 8
+       int bitpos = (stream->position++) & 7; // mask out 00000111
+       return (*(stream->buffer + bytepos) >> (7-bitpos)) & 1;
+}
+
+uint8_t getByte(uint8_t bits_per_sample, BitstreamOut* b)
+{
+       int i;
+       uint8_t val = 0;
+       for(i =0 ; i < bits_per_sample; i++)
+       {
+               val |= (_headBit(b) << (7-i));
+       }
+       return val;
+}

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

-       uint8_t got[40000] = {0x00};
+       //If we get all but the last byte in bigbuf,
+       // we don't have to worry about remaining trash
+       // in the last byte in case the bits-per-sample
+       // does not line up on byte boundaries
+       uint8_t got[BIGBUF_SIZE-1] = { 0 };

 
        int n = strtol(Cmd, NULL, 0);
        if (n == 0)
 
        int n = strtol(Cmd, NULL, 0);
        if (n == 0)

-               n = 20000;
+               n = sizeof(got);

 
        if (n > sizeof(got))
                n = sizeof(got);
 
 
        if (n > sizeof(got))
                n = sizeof(got);
 

-       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;
+       PrintAndLog("Reading %d bytes from device memory\n", n);
+       GetFromBigBuf(got,n,0);
+       PrintAndLog("Data fetched");
+       UsbCommand response;
+       WaitForResponse(CMD_ACK, &response);
+       uint8_t bits_per_sample = 8;
+
+       //Old devices without this feature would send 0 at arg[0]
+       if(response.arg[0] > 0)
+       {
+               sample_config *sc = (sample_config *) response.d.asBytes;
+               PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample
+                                       , sc->decimation);
+               bits_per_sample = sc->bits_per_sample;
+       }
+       if(bits_per_sample < 8)
+       {
+               PrintAndLog("Unpacking...");
+               BitstreamOut bout = { got, bits_per_sample * n,  0};
+               int j =0;
+               for (j = 0; j * bits_per_sample < n * 8 && j < sizeof(GraphBuffer); j++) {
+                       uint8_t sample = getByte(bits_per_sample, &bout);
+                       GraphBuffer[j] = ((int) sample )- 128;
+               }
+               GraphTraceLen = j;
+               PrintAndLog("Unpacked %d samples" , j );
+       }else
+       {
+               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)


@@ -1486,25 +2278,33 @@ int CmdTuneSamples(const char *Cmd)
        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);
        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)
+
+#define LF_UNUSABLE_V          2948            // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
+#define LF_MARGINAL_V          14739           // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
+#define HF_UNUSABLE_V          3167            // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+#define HF_MARGINAL_V          7917            // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+
+       if (peakv < LF_UNUSABLE_V)

                PrintAndLog("# Your LF antenna is unusable.");
                PrintAndLog("# Your LF antenna is unusable.");

-       else if (peakv<10000)
+       else if (peakv < LF_MARGINAL_V)

                PrintAndLog("# Your LF antenna is marginal.");
                PrintAndLog("# Your LF antenna is marginal.");

-       if (vHf<2000)
+       if (vHf < HF_UNUSABLE_V)

                PrintAndLog("# Your HF antenna is unusable.");
                PrintAndLog("# Your HF antenna is unusable.");

-       else if (vHf<5000)
+       else if (vHf < HF_MARGINAL_V)

                PrintAndLog("# Your HF antenna is marginal.");
 
                PrintAndLog("# Your HF antenna is marginal.");
 

-       for (int i = 0; i < 256; i++) {
-               GraphBuffer[i] = resp.d.asBytes[i] - 128;
+       if (peakv >= LF_UNUSABLE_V)     {
+               for (int i = 0; i < 256; i++) {
+                       GraphBuffer[i] = resp.d.asBytes[i] - 128;
+               }
+               PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n");
+               PrintAndLog("\n");
+               GraphTraceLen = 256;
+               ShowGraphWindow();
+               RepaintGraphWindow();

        }
 
        }
 

-  PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
-  PrintAndLog("\n");
-       GraphTraceLen = 256;
-       ShowGraphWindow();
-
-  return 0;
+       return 0;

 }
 
 
 }
 
 


@@ -1615,7 +2415,7 @@ int CmdManchesterDemod(const char *Cmd)
   }
 
   /* Get our clock */
   }
 
   /* Get our clock */

-  clock = GetClock(Cmd, high, 1);
+  clock = GetAskClock(Cmd, high, 1);

 
   int tolerance = clock/4;
 
 
   int tolerance = clock/4;
 


@@ -1775,7 +2575,7 @@ int CmdManchesterMod(const char *Cmd)
   int bit, lastbit, wave;
 
   /* Get our clock */
   int bit, lastbit, wave;
 
   /* Get our clock */

-  clock = GetClock(Cmd, 0, 1);
+  clock = GetAskClock(Cmd, 0, 1);

 
   wave = 0;
   lastbit = 1;
 
   wave = 0;
   lastbit = 1;


@@ -1877,8 +2677,8 @@ int CmdThreshold(const char *Cmd)
 
 int CmdDirectionalThreshold(const char *Cmd)
 {
 
 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);
 
 
   printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
 


@@ -1943,49 +2743,57 @@ static command_t CommandTable[] =
 {
   {"help",          CmdHelp,            1, "This help"},
   {"amp",           CmdAmp,             1, "Amplify peaks"},
 {
   {"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)"},
-       {"askrawdemod",   Cmdaskrawdemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"},
-  {"autocorr",      CmdAutoCorr,        1, "<window length> -- Autocorrelation over window"},
-  {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in demod buffer (offset = 0|1 bits to shift the decode start)"},
+  //{"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
+  {"askedgedetect", CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
+  {"askem410xdemod",CmdAskEM410xDemod,  1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
+  {"askgproxiidemod",CmdG_Prox_II_Demod,1, "Demodulate a G Prox II tag from GraphBuffer"},
+  //{"askmandemod",   Cmdaskmandemod,     1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
+  //{"askrawdemod",   Cmdaskrawdemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"},
+  {"autocorr",      CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
+  {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},

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

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

   {"buffclear",     CmdBuffClear,       1, "Clear sample buffer and graph window"},
   {"dec",           CmdDec,             1, "Decimate samples"},
   {"buffclear",     CmdBuffClear,       1, "Clear sample buffer and graph window"},
   {"dec",           CmdDec,             1, "Decimate samples"},

-       {"detectclock",   CmdDetectClockRate, 1, "Detect ASK clock rate"},
-  {"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},
-  {"fskawiddemod",  CmdFSKdemodAWID,    1, "Demodulate graph window as an AWID FSK tag using raw"},
-  {"fskfcdetect",   CmdFSKfcDetect,     1, "Try to detect the Field Clock of an FSK wave"},
-  {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK tag using raw"},
-  {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox tag FSK using raw"},
-  {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate graph window as a Pyramid FSK tag using raw"},
-  {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate graph window as a Paradox FSK tag using raw"},
-  {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
+  {"detectclock",   CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
+  //{"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},
+  {"fskawiddemod",  CmdFSKdemodAWID,    1, "Demodulate an AWID FSK tag from GraphBuffer"},
+  //{"fskfcdetect",   CmdFSKfcDetect,     1, "Try to detect the Field Clock of an FSK wave"},
+  {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate a HID FSK tag from GraphBuffer"},
+  {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
+  {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
+  {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate a Paradox FSK tag from GraphBuffer"},
+  //{"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
+  {"getbitstream",  CmdGetBitStream,    1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},

   {"grid",          CmdGrid,            1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
   {"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"},
   {"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"},
+  //{"mandemod",      CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"},
+  {"manrawdecode",  Cmdmandecoderaw,    1, "Manchester decode binary stream in DemodBuffer"},

   {"manmod",        CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},
   {"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"},
+  //{"nrzdetectclock",CmdDetectNRZClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
+  //{"nrzrawdemod",   CmdNRZrawDemod,     1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate nrz tags and output binary (args optional)"},

   {"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"},
-       {"pskindalademod",CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Attempt to demodulate psk1 indala tags and output ID binary & hex (args optional)"},
-       {"psk1nrzrawdemod",CmdpskNRZrawDemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk1 or nrz tags and output binary (args optional)"},
-  {"psk2rawdemod",  CmdPSK2rawDemod,    1, "[clock] [invert<0|1>] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
-  {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window"},
+  //{"pskdetectclock",CmdDetectPSKClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
+  {"printdemodbuffer",CmdPrintDemodBuff,1, "[x] -- print the data in the DemodBuffer - 'x' for hex output"},
+  {"pskindalademod",CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
+  //{"psk1rawdemod",  CmdPSK1rawDemod,    1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk1 tags and output binary (args optional)"},
+  //{"psk2rawdemod",  CmdPSK2rawDemod,    1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
+  {"rawdemod",      CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},  
+  {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},

   {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
   {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
   {"setdebugmode",  CmdSetDebugMode,    1, "<0|1> -- Turn on or off Debugging Mode for demods"},
   {"shiftgraphzero",CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
   {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
   {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
   {"setdebugmode",  CmdSetDebugMode,    1, "<0|1> -- Turn on or off Debugging Mode for demods"},
   {"shiftgraphzero",CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},

-  {"threshold",     CmdThreshold,       1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
-       {"dirthreshold",  CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
-       {"tune",          CmdTuneSamples,     0, "Get hw tune samples for graph window"},
+  //{"threshold",     CmdThreshold,       1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
+  {"dirthreshold",  CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
+  {"tune",          CmdTuneSamples,     0, "Get hw tune samples for graph window"},
+  {"undec",         CmdUndec,           1, "Un-decimate samples by 2"},

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