prepare to update the LF T55XX commands

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 60d0d8752a59d6b5ee43652efce76b99c1e20d73..533caeb5bf7eee9bc6a7cf66fecb73c473ded17c 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -22,21 +22,36 @@
 #include "cmddata.h"
 #include "lfdemod.h"
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 #include "cmddata.h"
 #include "lfdemod.h"
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];

+uint8_t g_debugMode;

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

-void setDemodBuf(uint8_t *buff,int size)
+void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)

 {
 {

-       int i=0;
-       for (; i < size; ++i){
-               DemodBuffer[i]=buff[i];
+       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++];

        }
        DemodBufferLen=size;
        return;
 }
 
        }
        DemodBufferLen=size;
        return;
 }
 

+int CmdSetDebugMode(const char *Cmd)
+{
+  int demod=0;
+  sscanf(Cmd, "%i", &demod);
+  g_debugMode=(uint8_t)demod;
+  return 1;
+}
+

 //by marshmellow
 void printDemodBuff()
 {
 //by marshmellow
 void printDemodBuff()
 {


@@ -47,6 +62,10 @@ 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],


@@ -179,6 +198,11 @@ void printBitStream(uint8_t BitStream[], uint32_t bitLen)
     return;
   }
   if (bitLen>512) bitLen=512;
     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],
    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],


@@ -206,7 +230,7 @@ void printEM410x(uint64_t id)
 {
   if (id !=0){
       uint64_t iii=1;
 {
   if (id !=0){
       uint64_t iii=1;

-      uint64_t id2lo=0; //id2hi=0,
+      uint64_t id2lo=0;

       uint32_t ii=0;
       uint32_t i=0;
       for (ii=5; ii>0;ii--){
       uint32_t ii=0;
       uint32_t i=0;
       for (ii=5; ii>0;ii--){


@@ -216,7 +240,7 @@ void printEM410x(uint64_t id)
       }
       //output em id
       PrintAndLog("EM TAG ID    : %010llx", id);
       }
       //output em id
       PrintAndLog("EM TAG ID    : %010llx", id);

-      PrintAndLog("Unique TAG ID: %010llx",  id2lo); //id2hi,
+      PrintAndLog("Unique TAG ID: %010llx",  id2lo);

       PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
       PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFF);
       PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));
       PrintAndLog("DEZ 8        : %08lld",id & 0xFFFFFF);
       PrintAndLog("DEZ 10       : %010lld",id & 0xFFFFFF);
       PrintAndLog("DEZ 5.5      : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF));


@@ -233,12 +257,17 @@ void printEM410x(uint64_t id)
 int CmdEm410xDecode(const char *Cmd)
 {
   uint64_t id=0;
 int CmdEm410xDecode(const char *Cmd)
 {
   uint64_t id=0;

- // uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- // uint32_t i=0;
- // i=getFromGraphBuf(BitStream);
-       id = Em410xDecode(DemodBuffer,DemodBufferLen);
-  printEM410x(id);
-  if (id>0) return 1;
+  size_t size = DemodBufferLen, idx=0;
+       id = Em410xDecode(DemodBuffer, &size, &idx);
+  if (id>0){
+    setDemodBuf(DemodBuffer, size, idx);
+    if (g_debugMode){
+      PrintAndLog("DEBUG: Printing demod buffer:");
+      printDemodBuff();
+    }
+    printEM410x(id);
+    return 1; 
+  }

   return 0;
 }
 
   return 0;
 }
 


@@ -249,7 +278,7 @@ int CmdEm410xDecode(const char *Cmd)
 //prints binary found and saves in graphbuffer for further commands
 int Cmdaskmandemod(const char *Cmd)
 {
 //prints binary found and saves in graphbuffer for further commands
 int Cmdaskmandemod(const char *Cmd)
 {

-       int invert=0;
+  int invert=0;

        int clk=0;
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        sscanf(Cmd, "%i %i", &clk, &invert);
        int clk=0;
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        sscanf(Cmd, "%i %i", &clk, &invert);


@@ -259,11 +288,11 @@ int Cmdaskmandemod(const char *Cmd)
   }
 
        size_t BitLen = getFromGraphBuf(BitStream);
   }
 
        size_t BitLen = getFromGraphBuf(BitStream);

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

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

-               // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
+               if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);

     return 0;
        }
   PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
     return 0;
        }
   PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);


@@ -274,17 +303,22 @@ int Cmdaskmandemod(const char *Cmd)
   }
   PrintAndLog("ASK/Manchester decoded bitstream:");
   // Now output the bitstream to the scrollback by line of 16 bits
   }
   PrintAndLog("ASK/Manchester decoded bitstream:");
   // Now output the bitstream to the scrollback by line of 16 bits

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

        printDemodBuff();
   uint64_t lo =0;
        printDemodBuff();
   uint64_t lo =0;

-  lo = Em410xDecode(BitStream,BitLen);
+  size_t idx=0;
+  lo = Em410xDecode(BitStream, &BitLen, &idx);

   if (lo>0){
     //set GraphBuffer for clone or sim command
   if (lo>0){
     //set GraphBuffer for clone or sim command

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

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

-  //if (BitLen>16) return 1;

   return 0;
 }
 
   return 0;
 }
 


@@ -317,9 +351,14 @@ int Cmdmandecoderaw(const char *Cmd)
        printBitStream(BitStream, size);
   if (errCnt==0){
                uint64_t id = 0;
        printBitStream(BitStream, size);
   if (errCnt==0){
                uint64_t id = 0;

-               id = Em410xDecode(BitStream, size);
-               if (id>0) setDemodBuf(BitStream, size);
-               printEM410x(id);
+    size_t idx=0;
+               id = Em410xDecode(BitStream, &size, &idx);
+               if (id>0){
+      //need to adjust to set bitstream back to manchester encoded data
+      //setDemodBuf(BitStream, size, idx);
+
+      printEM410x(id);
+    }

   }
   return 1;
 }
   }
   return 1;
 }


@@ -366,7 +405,6 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
   return 1;
 }
 
   return 1;
 }
 

-

 //by marshmellow
 //takes 2 arguments - clock and invert both as integers
 //attempts to demodulate ask only
 //by marshmellow
 //takes 2 arguments - clock and invert both as integers
 //attempts to demodulate ask only


@@ -386,14 +424,15 @@ int Cmdaskrawdemod(const char *Cmd)
        errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
                PrintAndLog("no data found");
        errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt==-1||BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
                PrintAndLog("no data found");

+    if (g_debugMode==1) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert);

     return 0;
        }
   PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
     return 0;
        }
   PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);

-    //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum);
-               //move BitStream back to DemodBuffer
-       setDemodBuf(BitStream,BitLen);
+  
+  //move BitStream back to DemodBuffer
+       setDemodBuf(BitStream,BitLen,0);

 
 

-               //output
+       //output

   if (errCnt>0){
     PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
   }
   if (errCnt>0){
     PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
   }


@@ -513,10 +552,6 @@ int CmdBitstream(const char *Cmd)
       bit ^= 1;
 
     AppendGraph(0, clock, bit);
       bit ^= 1;
 
     AppendGraph(0, clock, bit);

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

   }
 
   RepaintGraphWindow();
   }
 
   RepaintGraphWindow();


@@ -541,6 +576,27 @@ int CmdDec(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+//by marshmellow
+//shift graph zero up or down based on input + or -
+int CmdGraphShiftZero(const char *Cmd)
+{
+
+  int shift=0;
+  //set options from parameters entered with the command
+  sscanf(Cmd, "%i", &shift);
+  int shiftedVal=0;
+  for(int i = 0; i<GraphTraceLen; i++){
+    shiftedVal=GraphBuffer[i]+shift;
+    if (shiftedVal>127) 
+      shiftedVal=127;
+    else if (shiftedVal<-127) 
+      shiftedVal=-127;
+    GraphBuffer[i]= shiftedVal;
+  }
+  CmdNorm("");
+  return 0;
+}
+

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


@@ -559,27 +615,44 @@ int CmdFSKrawdemod(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 rfLen = 50;
+  int rfLen = 0;

   int invert=0;
   int invert=0;

-  int fchigh=10;
-  int fclow=8;
+  int fchigh=0;
+  int fclow=0;

   //set options from parameters entered with the command
        sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
 
   if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
   //set options from parameters entered with the command
        sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
 
   if (strlen(Cmd)>0 && strlen(Cmd)<=2) {

-     //rfLen=param_get8(Cmd, 0); //if rfLen option only is used

      if (rfLen==1){
       invert=1;   //if invert option only is used
      if (rfLen==1){
       invert=1;   //if invert option only is used

-      rfLen = 50;
-     } else if(rfLen==0) rfLen=50;
+      rfLen = 0;
+     }

        }
        }

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

   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);

+  //get field clock lengths
+  uint16_t fcs=0;
+  if (fchigh==0 || fclow == 0){
+    fcs=countFC(BitStream, BitLen);
+    if (fcs==0){
+      fchigh=10;
+      fclow=8;
+    }else{
+      fchigh = (fcs >> 8) & 0xFF;
+      fclow = fcs & 0xFF;
+    }
+  }
+  //get bit clock length
+  if (rfLen==0){
+    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 (size>0){
     PrintAndLog("FSK decoded bitstream:");
        int size  = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
   if (size>0){
     PrintAndLog("FSK decoded bitstream:");

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

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


@@ -601,20 +674,32 @@ int CmdFSKdemodHID(const char *Cmd)
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);
   //get binary from fsk wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t BitLen = getFromGraphBuf(BitStream);
   //get binary from fsk wave

-       size_t size  = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo);
-  if (size<0){
-    PrintAndLog("Error demoding fsk");
+       int idx  = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+  if (idx<0){
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");     
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: Error demoding fsk");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen);
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }   
+    }
+    return 0;
+  }
+  if (hi2==0 && hi==0 && lo==0) {
+    if (g_debugMode) PrintAndLog("DEBUG: Error - no values found");

     return 0;
   }
     return 0;
   }

-  if (hi2==0 && hi==0 && lo==0) return 0;

   if (hi2 != 0){ //extra large HID tags
                PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
        (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
   if (hi2 != 0){ //extra large HID tags
                PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
        (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);

-               setDemodBuf(BitStream,BitLen);
-    return 1;

   }
   else {  //standard HID tags <38 bits
   }
   else {  //standard HID tags <38 bits

-    //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd

     uint8_t fmtLen = 0;
     uint32_t fc = 0;
     uint32_t cardnum = 0;
     uint8_t fmtLen = 0;
     uint32_t fc = 0;
     uint32_t cardnum = 0;


@@ -654,12 +739,61 @@ int CmdFSKdemodHID(const char *Cmd)
                PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
       (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
       (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum);
                PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
       (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
       (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum);

-               setDemodBuf(BitStream,BitLen);
-    return 1;

   }
   }

-  return 0;
+  setDemodBuf(BitStream,BitLen,idx);
+  if (g_debugMode){ 
+    PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
+    printDemodBuff();
+  }
+  return 1;
+}
+
+//by marshmellow
+//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
+//print full Paradox Prox ID and some bit format details if found
+int CmdFSKdemodParadox(const char *Cmd)
+{
+  //raw fsk demod no manchester decoding no start bit finding just get binary from wave
+  uint32_t hi2=0, hi=0, lo=0;
+
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  size_t BitLen = getFromGraphBuf(BitStream);
+  //get binary from fsk wave
+  int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+  if (idx<0){
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");     
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: Error demoding fsk");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Error in Manchester data");
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }
+    }
+    return 0;
+  }
+  if (hi2==0 && hi==0 && lo==0){
+    if (g_debugMode) PrintAndLog("DEBUG: Error - no value found");
+    return 0;
+  }
+  uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
+  uint32_t cardnum = (lo>>10)&0xFFFF;
+  
+  PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x",
+    hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF );
+  setDemodBuf(BitStream,BitLen,idx);
+  if (g_debugMode){ 
+    PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen);
+    printDemodBuff();
+  }
+  return 1;

 }
 
 }
 

+

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


@@ -668,21 +802,39 @@ int CmdFSKdemodIO(const char *Cmd)
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   //set defaults
        int idx=0;
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   //set defaults
        int idx=0;

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

+

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

- // PrintAndLog("DEBUG: got buff");

        idx = IOdemodFSK(BitStream,BitLen);
   if (idx<0){
        idx = IOdemodFSK(BitStream,BitLen);
   if (idx<0){

-    //PrintAndLog("Error demoding fsk");
+    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;
   }
     return 0;
   }

- // PrintAndLog("DEBUG: Got IOdemodFSK");

   if (idx==0){
   if (idx==0){

-    //PrintAndLog("IO Prox Data not found - FSK Data:");
-    //if (BitLen > 92) printBitStream(BitStream,92);
+    if (g_debugMode==1){
+      PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen);
+      if (BitLen > 92) printBitStream(BitStream,92);
+    } 

     return 0;
   }
     //Index map
     return 0;
   }
     //Index map


@@ -694,7 +846,10 @@ int CmdFSKdemodIO(const char *Cmd)
     //
     //XSF(version)facility:codeone+codetwo (raw)
     //Handle the data
     //
     //XSF(version)facility:codeone+codetwo (raw)
     //Handle the data

-  if (idx+64>BitLen) return 0;
+  if (idx+64>BitLen) {
+    if (g_debugMode==1) PrintAndLog("not enough bits found - bitlen: %d",BitLen);
+    return 0;
+  }

   PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx],    BitStream[idx+1],  BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]);
        PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9],  BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]);
   PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]);
   PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx],    BitStream[idx+1],  BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]);
        PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9],  BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]);
   PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]);


@@ -709,12 +864,12 @@ int CmdFSKdemodIO(const char *Cmd)
   uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ;
   uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9
        PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
   uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ;
   uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9
        PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);

-       int i;
-       for (i=0;i<64;++i)
-               DemodBuffer[i]=BitStream[idx++];
-
-       DemodBufferLen=64;
-  return 1;
+  setDemodBuf(BitStream,64,idx);
+       if (g_debugMode){
+    PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
+    printDemodBuff();
+  }
+       return 1;

 }
 
 
 }
 
 


@@ -724,27 +879,31 @@ int CmdFSKdemodIO(const char *Cmd)
 int CmdFSKdemodAWID(const char *Cmd)
 {
 
 int CmdFSKdemodAWID(const char *Cmd)
 {
 

-  int verbose=1;
-  sscanf(Cmd, "%i", &verbose);
+  //int verbose=1;
+  //sscanf(Cmd, "%i", &verbose);

 
   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
 
   //get binary from fsk wave
 
   //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);
 
   //get binary from fsk wave

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

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

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

       if (idx == -1)
       if (idx == -1)

-        PrintAndLog("Error: not enough samples");
+        PrintAndLog("DEBUG: Error - not enough samples");

       else if (idx == -2)
       else if (idx == -2)

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

       else if (idx == -3)
       else if (idx == -3)

-        PrintAndLog("Error: problem during FSK demod");
+        PrintAndLog("DEBUG: Error - problem during FSK demod");

     //  else if (idx == -3)
     //    PrintAndLog("Error: thought we had a tag but the parity failed");
       else if (idx == -4)
     //  else if (idx == -3)
     //    PrintAndLog("Error: thought we had a tag but the parity failed");
       else if (idx == -4)

-        PrintAndLog("Error: AWID preamble not found");
+        PrintAndLog("DEBUG: Error - AWID preamble not found");
+      else if (idx == -5)
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);
+      else
+        PrintAndLog("DEBUG: Error %d",idx);

     }
     return 0;
   }
     }
     return 0;
   }


@@ -766,9 +925,11 @@ int CmdFSKdemodAWID(const char *Cmd)
   uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
   uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
   uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
   uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);

+  setDemodBuf(BitStream,96,idx);
+

   size = removeParity(BitStream, idx+8, 4, 1, 88);
   if (size != 66){
   size = removeParity(BitStream, idx+8, 4, 1, 88);
   if (size != 66){

-    if (verbose) PrintAndLog("Error: at parity check-tag size does not match AWID format");
+    if (g_debugMode==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");

     return 0;
   }
   // ok valid card found!
     return 0;
   }
   // ok valid card found!


@@ -807,9 +968,11 @@ int CmdFSKdemodAWID(const char *Cmd)
       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
     }
   }
       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
     }
   }

-
+  if (g_debugMode){
+    PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96);
+    printDemodBuff();
+  }

   //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
   //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands

-

   return 1;
 }
 
   return 1;
 }
 


@@ -818,34 +981,29 @@ int CmdFSKdemodAWID(const char *Cmd)
 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
 int CmdFSKdemodPyramid(const char *Cmd)
 {
 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
 int CmdFSKdemodPyramid(const char *Cmd)
 {

-
-  int verbose=1;
-  sscanf(Cmd, "%i", &verbose);
-

   //raw fsk demod no manchester decoding no start bit finding just get binary from wave
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
 
   //get binary from fsk wave
   //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);
 
   //get binary from fsk wave

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

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

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

       if (idx == -5)
       if (idx == -5)

-        PrintAndLog("Error: not enough samples");
+        PrintAndLog("DEBUG: Error - not enough samples");

       else if (idx == -1)
       else if (idx == -1)

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

       else if (idx == -2)
       else if (idx == -2)

-        PrintAndLog("Error: problem during FSK demod");
-      //else if (idx == -3)
-      //  PrintAndLog("Error: thought we had a tag but the parity failed");
+        PrintAndLog("DEBUG: Error - problem during FSK demod");
+      else if (idx == -3)
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);

       else if (idx == -4)
       else if (idx == -4)

-        PrintAndLog("Error: AWID preamble not found");
+        PrintAndLog("DEBUG: Error - Pyramid preamble not found");
+      else
+        PrintAndLog("DEBUG: Error - idx: %d",idx);

     }
     }

-    PrintAndLog("idx: %d",idx);

     return 0;
   }
     return 0;
   }

-  //PrintAndLog("DEBUG: idx: %d",idx);
- 

   // Index map
   // 0           10          20          30            40          50          60
   // |           |           |           |             |           |           |
   // Index map
   // 0           10          20          30            40          50          60
   // |           |           |           |             |           |           |


@@ -872,9 +1030,11 @@ int CmdFSKdemodPyramid(const char *Cmd)
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);
   uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32);
   uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32);
   uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);
   uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32);
   uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32);

+  setDemodBuf(BitStream,128,idx);
+

   size = removeParity(BitStream, idx+8, 8, 1, 120);
   if (size != 105){
   size = removeParity(BitStream, idx+8, 8, 1, 120);
   if (size != 105){

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

     return 0;
   }
 
     return 0;
   }
 


@@ -902,10 +1062,9 @@ int CmdFSKdemodPyramid(const char *Cmd)
   // (26 bit format shown)
 
   //find start bit to get fmtLen
   // (26 bit format shown)
 
   //find start bit to get fmtLen

-  idx = 0;

   int j;
   for (j=0; j<size; j++){
   int j;
   for (j=0; j<size; j++){

-    if(BitStream[idx+j]) break;
+    if(BitStream[j]) break;

   }
   uint8_t fmtLen = size-j-8;
   uint32_t fc = 0;
   }
   uint8_t fmtLen = size-j-8;
   uint32_t fc = 0;


@@ -916,25 +1075,27 @@ 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("AWID 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: %x%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("AWID 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: %x%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("AWID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
+      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);

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

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

     }
   }
     }
   }

-  //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
-
+  if (g_debugMode){
+    PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
+    printDemodBuff();
+  }

   return 1;
 }
 
   return 1;
 }
 


@@ -1024,8 +1185,7 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
   PrintAndLog("actual data bits start at sample %d", maxPos);
   PrintAndLog("length %d/%d", highLen, lowLen);
 
   PrintAndLog("actual data bits start at sample %d", maxPos);
   PrintAndLog("length %d/%d", highLen, lowLen);
 

-       uint8_t bits[46];
-       bits[sizeof(bits)-1] = '\0';
+  uint8_t bits[46] = {0x00};

 
   // find bit pairs and manchester decode them
   for (i = 0; i < arraylen(bits) - 1; ++i) {
 
   // find bit pairs and manchester decode them
   for (i = 0; i < arraylen(bits) - 1; ++i) {


@@ -1057,28 +1217,44 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
   return 0;
 }
 
   return 0;
 }
 

+//by marshmellow
+//attempt to detect the field clock and bit clock for FSK

 int CmdFSKfcDetect(const char *Cmd)
 {
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
 
 int CmdFSKfcDetect(const char *Cmd)
 {
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   size_t size = getFromGraphBuf(BitStream);
 

-
-  uint32_t ans = countFC(BitStream, size);
-  int fc1, fc2, rf1;
+  uint16_t ans = countFC(BitStream, size); 
+  if (ans==0) {
+    if (g_debugMode) PrintAndLog("DEBUG: No data found");
+    return 0;
+  }
+  uint8_t fc1, fc2;

   fc1 = (ans >> 8) & 0xFF;
   fc2 = ans & 0xFF;
   fc1 = (ans >> 8) & 0xFF;
   fc2 = ans & 0xFF;

-  rf1 = (ans >>16) & 0xFF;
+
+  uint8_t rf1 = detectFSKClk(BitStream, size, fc1, fc2);
+  if (rf1==0) {
+    if (g_debugMode) PrintAndLog("DEBUG: Clock detect error");
+    return 0;
+  }

   PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
   return 1;
 }
 
   PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
   return 1;
 }
 

+//by marshmellow
+//attempt to detect the bit clock for PSK or NRZ modulations

 int CmdDetectNRZpskClockRate(const char *Cmd)
 {
        GetNRZpskClock("",0,0);
        return 0;
 }
 
 int CmdDetectNRZpskClockRate(const char *Cmd)
 {
        GetNRZpskClock("",0,0);
        return 0;
 }
 

-int PSKnrzDemod(const char *Cmd){
+//by marshmellow
+//attempt to psk1 or nrz demod graph buffer
+//NOTE CURRENTLY RELIES ON PEAKS :(
+int PSKnrzDemod(const char *Cmd, uint8_t verbose)
+{

        int invert=0;
        int clk=0;
        sscanf(Cmd, "%i %i", &clk, &invert);
        int invert=0;
        int clk=0;
        sscanf(Cmd, "%i %i", &clk, &invert);


@@ -1091,13 +1267,13 @@ int PSKnrzDemod(const char *Cmd){
        int errCnt=0;
        errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)
        int errCnt=0;
        errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert);
        if (errCnt<0|| BitLen<16){  //throw away static - allow 1 and -1 (in case of threshold command first)

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

                return -1;
        }
                return -1;
        }

-       PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+  if (verbose) PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);

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

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

        return errCnt;
 }
 // Indala 26 bit decode
        return errCnt;
 }
 // Indala 26 bit decode


@@ -1105,35 +1281,30 @@ int PSKnrzDemod(const char *Cmd){
 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
 int CmdIndalaDecode(const char *Cmd)
 {
 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
 int CmdIndalaDecode(const char *Cmd)
 {

-  uint8_t verbose = 1;

   int ans;
   if (strlen(Cmd)>0){
   int ans;
   if (strlen(Cmd)>0){

-    if (Cmd[0]=='0'){
-      verbose=0;
-      ans = PSKnrzDemod("32");
-    }else{
-      ans = PSKnrzDemod(Cmd);
-    }
+    ans = PSKnrzDemod(Cmd, 0);

   } else{ //default to RF/32
   } else{ //default to RF/32

-    ans = PSKnrzDemod("32");
+    ans = PSKnrzDemod("32", 0);

   }
 
        if (ans < 0){
   }
 
        if (ans < 0){

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

       PrintAndLog("Error1: %d",ans);
                return 0;
        }
        uint8_t invert=0;
        ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
        if (ans < 1) {
       PrintAndLog("Error1: %d",ans);
                return 0;
        }
        uint8_t invert=0;
        ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
        if (ans < 1) {

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

       PrintAndLog("Error2: %d",ans);
                return -1;
        }
       PrintAndLog("Error2: %d",ans);
                return -1;
        }

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

        if (invert)
        if (invert)

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

       PrintAndLog("Had to invert bits");
       PrintAndLog("Had to invert bits");

+

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


@@ -1179,9 +1350,16 @@ 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;
 }
 

+//by marshmellow
+//attempt to clean psk wave noise after a peak 
+//NOTE RELIES ON PEAKS :(

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


@@ -1191,31 +1369,60 @@ int CmdPskClean(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 

-//by marshmellow
-//takes 2 arguments - clock and invert both as integers
-//attempts to demodulate ask only
-//prints binary found and saves in graphbuffer for further commands
+// by marshmellow
+// takes 2 arguments - clock and invert both as integers
+// attempts to demodulate psk only
+// prints binary found and saves in demodbuffer for further commands

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

-  uint8_t verbose = 1;

   int errCnt;
   int errCnt;

-  if (strlen(Cmd)>0){
-    if (Cmd[0]=='0')
-      verbose=0;
-  }
-
-  errCnt = PSKnrzDemod(Cmd);
+ 
+  errCnt = PSKnrzDemod(Cmd, 1);

        //output
        //output

-       if (errCnt<0) return 0;
+       if (errCnt<0){
+    if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);  
+    return 0;
+  } 

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

-               if (verbose)
+               if (g_debugMode){

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

 
 

-       return 1;
+// by marshmellow
+// takes same args as cmdpsknrzrawdemod
+int CmdPSK2rawDemod(const char *Cmd)
+{
+  int errCnt=0;
+  errCnt=PSKnrzDemod(Cmd, 1);
+  if (errCnt<0){
+    if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);  
+    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();  
+  }
+  return 1;

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


@@ -1234,7 +1441,7 @@ 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);
 


@@ -1243,7 +1450,7 @@ 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;
        }
 


@@ -1293,7 +1500,7 @@ int CmdHpf(const char *Cmd)
 
 int CmdSamples(const char *Cmd)
 {
 
 int CmdSamples(const char *Cmd)
 {

-       uint8_t got[40000];
+       uint8_t got[BIGBUF_SIZE] = {0x00};

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


@@ -1303,14 +1510,14 @@ int CmdSamples(const char *Cmd)
                n = sizeof(got);
 
        PrintAndLog("Reading %d samples from device memory\n", n);
                n = sizeof(got);
 
        PrintAndLog("Reading %d samples from device memory\n", n);

-  GetFromBigBuf(got,n,0);
-  WaitForResponse(CMD_ACK,NULL);
+       GetFromBigBuf(got,n,0);
+       WaitForResponse(CMD_ACK,NULL);

        for (int j = 0; j < n; j++) {
                GraphBuffer[j] = ((int)got[j]) - 128;
        for (int j = 0; j < n; j++) {
                GraphBuffer[j] = ((int)got[j]) - 128;

-  }
-  GraphTraceLen = n;
-  RepaintGraphWindow();
-  return 0;
+       }
+       GraphTraceLen = n;
+       RepaintGraphWindow();
+       return 0;

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


@@ -1367,14 +1574,14 @@ int CmdTuneSamples(const char *Cmd)
 
 int CmdLoad(const char *Cmd)
 {
 
 int CmdLoad(const char *Cmd)
 {

-   char filename[FILE_PATH_SIZE] = {0x00};
-   int len = 0;
+  char filename[FILE_PATH_SIZE] = {0x00};
+  int len = 0;

 
 

-   len = strlen(Cmd);
-   if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
-   memcpy(filename, Cmd, len);
+  len = strlen(Cmd);
+  if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+  memcpy(filename, Cmd, len);

        
        

-   FILE *f = fopen(filename, "r");
+  FILE *f = fopen(filename, "r");

   if (!f) {
      PrintAndLog("couldn't open '%s'", filename);
     return 0;
   if (!f) {
      PrintAndLog("couldn't open '%s'", filename);
     return 0;


@@ -1403,6 +1610,8 @@ int CmdLtrim(const char *Cmd)
   RepaintGraphWindow();
   return 0;
 }
   RepaintGraphWindow();
   return 0;
 }

+
+// trim graph to input argument length

 int CmdRtrim(const char *Cmd)
 {
   int ds = atoi(Cmd);
 int CmdRtrim(const char *Cmd)
 {
   int ds = atoi(Cmd);


@@ -1683,12 +1892,12 @@ int CmdPlot(const char *Cmd)
 
 int CmdSave(const char *Cmd)
 {
 
 int CmdSave(const char *Cmd)
 {

-   char filename[FILE_PATH_SIZE] = {0x00};
-   int len = 0;
+  char filename[FILE_PATH_SIZE] = {0x00};
+  int len = 0;

 
 

-   len = strlen(Cmd);
-   if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
-   memcpy(filename, Cmd, len);
+  len = strlen(Cmd);
+  if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+  memcpy(filename, Cmd, len);

    
 
   FILE *f = fopen(filename, "w");
    
 
   FILE *f = fopen(filename, "w");


@@ -1814,6 +2023,7 @@ static command_t CommandTable[] =
   {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK tag using raw"},
   {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox tag FSK using raw"},
   {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate graph window as a Pyramid FSK tag using raw"},
   {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK tag using raw"},
   {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox tag FSK using raw"},
   {"fskpyramiddemod",CmdFSKdemodPyramid,1, "Demodulate graph window as a Pyramid FSK tag using raw"},

+  {"fskparadoxdemod",CmdFSKdemodParadox,1, "Demodulate graph window as a Paradox FSK tag using raw"},

   {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
   {"grid",          CmdGrid,            1, "<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"},
   {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
   {"grid",          CmdGrid,            1, "<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"},


@@ -1829,11 +2039,14 @@ static command_t CommandTable[] =
   {"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"},
   {"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 psk indala tags and output ID binary & hex (args optional)"},
-       {"psknrzrawdemod",CmdpskNRZrawDemod,  1, "[clock] [invert<0|1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional)"},
+       {"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"},
   {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
   {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
   {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window"},
   {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
   {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},

+  {"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"},