data askraw patches, data askedgedetect demod,

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 6bc66f06a7cb43ed2c28b92bd210e00dbd95e678..66ba7455531954d98f2491472a322b2317b149b1 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -22,21 +22,30 @@
 #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];
+       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 +56,10 @@ 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 +192,11 @@ 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 +224,7 @@ 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 +234,7 @@ 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));


@@ -229,41 +247,115 @@ void printEM410x(uint64_t id)
 }
 
 //by marshmellow
 }
 
 //by marshmellow

-//take binary from demod buffer and see if we can find an EM410x ID
-int CmdEm410xDecode(const char *Cmd)
+//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)

 {
 {

-  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;
+  int invert=0;
+  int clk=0;
+  int maxErr=100;
+  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;
+  }
+
+
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
+  if (invert != 0 && invert != 1) {
+    PrintAndLog("Invalid argument: %s", Cmd);
+    return 0;
+  }
+  size_t BitLen = getFromGraphBuf(BitStream);
+
+  if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
+  if (BitLen==0) return 0;
+  int errCnt=0;
+  errCnt = askmandemod(BitStream, &BitLen, &clk, &invert, maxErr);
+  if (errCnt<0||BitLen<16){  //if fatal error (or -1)
+    if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
+    return 0;
+  }
+  PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
+
+  //output
+  if (errCnt>0){
+    PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+  }
+  //PrintAndLog("ASK/Manchester decoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  setDemodBuf(BitStream,BitLen,0);
+  //printDemodBuff();
+  uint64_t lo =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();
+    }
+    PrintAndLog("EM410x pattern found: ");
+    printEM410x(lo);
+    return 1;
+  }

   return 0;
 }
 
   return 0;
 }
 

-

 //by marshmellow
 //by marshmellow

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

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

        int clk=0;
        int clk=0;

+  int maxErr=100;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data askmandemod [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 askmandemod        = demod an ask/manchester tag from GraphBuffer");
+    PrintAndLog("          : data askmandemod 32     = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data askmandemod 32 1   = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data askmandemod 1      = demod an ask/manchester tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data askmandemod 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;
+  }

   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;
   }

-
+  if (clk==1){
+    invert=1;
+    clk=0;
+  }

        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);
+  if (BitLen==0) return 0;

   int errCnt=0;
   int errCnt=0;

-   errCnt = askmandemod(BitStream, &BitLen,&clk,&invert);
+  errCnt = askmandemod(BitStream, &BitLen, &clk, &invert, maxErr);

        if (errCnt<0||BitLen<16){  //if fatal error (or -1)
        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);


@@ -274,18 +366,23 @@ 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 1;

 }
 
 //by marshmellow
 }
 
 //by marshmellow


@@ -296,6 +393,17 @@ int Cmdmandecoderaw(const char *Cmd)
   int i =0;
   int errCnt=0;
        size_t size=0;
   int i =0;
   int errCnt=0;
        size_t size=0;

+  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;
        for (;i<DemodBufferLen;++i){
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   int high=0,low=0;
        for (;i<DemodBufferLen;++i){


@@ -309,7 +417,7 @@ int Cmdmandecoderaw(const char *Cmd)
   }
        size=i;
        errCnt=manrawdecode(BitStream, &size);
   }
        size=i;
        errCnt=manrawdecode(BitStream, &size);

-  if (errCnt>=20){
+  if (errCnt>=maxErr){

     PrintAndLog("Too many errors: %d",errCnt);
     return 0;
   }
     PrintAndLog("Too many errors: %d",errCnt);
     return 0;
   }


@@ -317,9 +425,14 @@ 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;
 }


@@ -327,7 +440,8 @@ int Cmdmandecoderaw(const char *Cmd)
 //by marshmellow
 //biphase decode
 //take 01 or 10 = 0 and 11 or 00 = 1
 //by marshmellow
 //biphase decode
 //take 01 or 10 = 0 and 11 or 00 = 1

-//takes 1 argument "offset" default = 0 if 1 it will shift the decode by one bit
+//takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
+// and "invert" default = 0 if 1 it will invert output

 //  since it is not like manchester and doesn't have an incorrect bit pattern we
 //  cannot determine if our decode is correct or if it should be shifted by one bit
 //  the argument offset allows us to manually shift if the output is incorrect
 //  since it is not like manchester and doesn't have an incorrect bit pattern we
 //  cannot determine if our decode is correct or if it should be shifted by one bit
 //  the argument offset allows us to manually shift if the output is incorrect


@@ -339,8 +453,23 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
   int errCnt=0;
        size_t size=0;
   int offset=0;
   int errCnt=0;
        size_t size=0;
   int offset=0;

+  int invert=0;

   int high=0, low=0;
   int high=0, low=0;

-       sscanf(Cmd, "%i", &offset);
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data biphaserawdecode [offset] <invert>");
+    PrintAndLog("     Converts 10 or 01 to 0 and 11 or 00 to 1");
+    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("");
+    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", &offset, &invert);
+  if (DemodBufferLen==0) return 0;

   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   //get graphbuffer & high and low
        for (;i<DemodBufferLen;++i){
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
   //get graphbuffer & high and low
        for (;i<DemodBufferLen;++i){


@@ -353,7 +482,7 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
     return 0;
   }
        size=i;
     return 0;
   }
        size=i;

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

   if (errCnt>=20){
     PrintAndLog("Too many errors attempting to decode: %d",errCnt);
     return 0;
   if (errCnt>=20){
     PrintAndLog("Too many errors attempting to decode: %d",errCnt);
     return 0;


@@ -364,36 +493,62 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
   return 1;
 }
 
   return 1;
 }
 

-

 //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
 int Cmdaskrawdemod(const char *Cmd)
 {
        int invert=0;
        int clk=0;
 //attempts to demodulate ask only
 //prints binary found and saves in graphbuffer for further commands
 int Cmdaskrawdemod(const char *Cmd)
 {
        int invert=0;
        int clk=0;

+  int maxErr=100;
+  uint8_t askAmp = 0;
+  char amp = param_getchar(Cmd, 0);
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 12 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data askrawdemod [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 askrawdemod          = demod an ask tag from GraphBuffer");
+    PrintAndLog("          : data askrawdemod a        = demod an ask tag from GraphBuffer, amplified");
+    PrintAndLog("          : data askrawdemod 32       = demod an ask tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data askrawdemod 32 1     = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data askrawdemod 1        = demod an ask tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data askrawdemod 64 1 0   = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    PrintAndLog("          : data askrawdemod 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;
+  }

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

+  if (clk==1){
+    invert=1;
+    clk=0;
+  }
+  if (amp == 'a' || amp == 'A') askAmp=1; 

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

+  if (BitLen==0) return 0;

   int errCnt=0;
   int errCnt=0;

-       errCnt = askrawdemod(BitStream, &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)
                PrintAndLog("no data found");
        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;
        }
     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);
+  PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen);
+  
+  //move BitStream back to DemodBuffer
+       setDemodBuf(BitStream,BitLen,0);

 
 

-               //output
+       //output

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

-    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("ASK demoded bitstream:");
   // Now output the bitstream to the scrollback by line of 16 bits
   }
   PrintAndLog("ASK demoded bitstream:");
   // Now output the bitstream to the scrollback by line of 16 bits


@@ -511,10 +666,6 @@ 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();


@@ -539,49 +690,134 @@ 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;
+}
+
+//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
 int CmdDetectClockRate(const char *Cmd)
 {
 /* Print our clock rate */
 // uses data from graphbuffer
 int CmdDetectClockRate(const char *Cmd)
 {

-  GetClock("",0,0);
-       //int clock = DetectASKClock(0);
-       //PrintAndLog("Auto-detected clock rate: %d", clock);
-  return 0;
+  int ans = GetClock("",0,0);
+  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))
+//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)
 {
   //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
   //set defaults
 int CmdFSKrawdemod(const char *Cmd)
 {
   //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
   //set defaults

-  int rfLen = 50;
+  int rfLen = 0;

   int invert=0;
   int invert=0;

-  int fchigh=10;
-  int fclow=8;
+  int fchigh=0;
+  int fclow=0;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data fskrawdemod [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 fskrawdemod           = demod an fsk tag from GraphBuffer using autodetect");
+    PrintAndLog("          : data fskrawdemod 32        = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
+    PrintAndLog("          : data fskrawdemod 1         = demod an fsk tag from GraphBuffer using autodetect, invert output");   
+    PrintAndLog("          : data fskrawdemod 32 1      = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
+    PrintAndLog("          : data fskrawdemod 64 0 8 5  = demod an fsk1 RF/64 tag from GraphBuffer");
+    PrintAndLog("          : data fskrawdemod 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
+    PrintAndLog("          : data fskrawdemod 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
+    return 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);

+  if (BitLen==0) return 0;
+  //get field clock lengths
+  uint16_t fcs=0;
+  uint8_t dummy=0;
+  if (fchigh==0 || fclow == 0){
+    fcs=countFC(BitStream, BitLen, &dummy);
+    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
     printBitStream(BitStream,size);
 
     // Now output the bitstream to the scrollback by line of 16 bits
     if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits  most tags will have full bit stream inside that sample size
     printBitStream(BitStream,size);

+    return 1;

   } else{
     PrintAndLog("no FSK data found");
   }
   } else{
     PrintAndLog("no FSK data found");
   }


@@ -598,27 +834,40 @@ int CmdFSKdemodHID(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 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;
     if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
       uint32_t lo2=0;
     uint8_t fmtLen = 0;
     uint32_t fc = 0;
     uint32_t cardnum = 0;
     if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
       uint32_t lo2=0;

-      lo2=(((hi & 15) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
+      lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit

       uint8_t idx3 = 1;
       while(lo2>1){ //find last bit set to 1 (format len bit)
         lo2=lo2>>1;
       uint8_t idx3 = 1;
       while(lo2>1){ //find last bit set to 1 (format len bit)
         lo2=lo2>>1;


@@ -631,10 +880,6 @@ int CmdFSKdemodHID(const char *Cmd)
         cardnum = (lo>>1)&0xFFFF;
         fc = (lo>>17)&0xFF;
       }
         cardnum = (lo>>1)&0xFFFF;
         fc = (lo>>17)&0xFF;
       }

-      if(fmtLen==37){
-        cardnum = (lo>>1)&0x7FFFF;
-        fc = ((hi&0xF)<<12)|(lo>>20);
-      }

       if(fmtLen==34){
         cardnum = (lo>>1)&0xFFFF;
         fc= ((hi&1)<<15)|(lo>>17);
       if(fmtLen==34){
         cardnum = (lo>>1)&0xFFFF;
         fc= ((hi&1)<<15)|(lo>>17);


@@ -645,10 +890,10 @@ int CmdFSKdemodHID(const char *Cmd)
       }
     }
     else { //if bit 38 is not set then 37 bit format is used
       }
     }
     else { //if bit 38 is not set then 37 bit format is used

-      fmtLen= 37;
-      fc =0;
-      cardnum=0;
-      if(fmtLen==37){
+      fmtLen = 37;
+      fc = 0;
+      cardnum = 0;
+      if(fmtLen == 37){

         cardnum = (lo>>1)&0x7FFFF;
         fc = ((hi&0xF)<<12)|(lo>>20);
       }
         cardnum = (lo>>1)&0x7FFFF;
         fc = ((hi&0xF)<<12)|(lo>>20);
       }


@@ -656,12 +901,62 @@ 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);
+  if (BitLen==0) return 0;
+  //get binary from fsk wave
+  int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
+  if (idx<0){
+    if (g_debugMode){
+      if (idx==-1){
+        PrintAndLog("DEBUG: Just Noise Detected");     
+      } else if (idx == -2) {
+        PrintAndLog("DEBUG: Error demoding fsk");
+      } else if (idx == -3) {
+        PrintAndLog("DEBUG: Preamble not found");
+      } else if (idx == -4) {
+        PrintAndLog("DEBUG: Error in Manchester data");
+      } else {
+        PrintAndLog("DEBUG: Error demoding fsk %d", idx);
+      }
+    }
+    return 0;
+  }
+  if (hi2==0 && hi==0 && lo==0){
+    if (g_debugMode) PrintAndLog("DEBUG: Error - no value found");
+    return 0;
+  }
+  uint32_t fc = ((hi & 0x3)<<6) | (lo>>26);
+  uint32_t cardnum = (lo>>10)&0xFFFF;
+  
+  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


@@ -670,21 +965,40 @@ 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);

+  if (BitLen==0) return 0;
+

   //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


@@ -696,7 +1010,10 @@ 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]);


@@ -711,13 +1028,243 @@ 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++];
+  setDemodBuf(BitStream,64,idx);
+       if (g_debugMode){
+    PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64);
+    printDemodBuff();
+  }
+       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
+int CmdFSKdemodAWID(const char *Cmd)
+{

 
 

-       DemodBufferLen=64;
+  //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);
+  if (size==0) return 0;
+
+  //get binary from fsk wave
+  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)
+        PrintAndLog("DEBUG: Error - only noise found");
+      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)
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);
+      else
+        PrintAndLog("DEBUG: Error %d",idx);
+    }
+    return 0;
+  }
+
+  // Index map
+  // 0            10            20            30              40            50              60
+  // |            |             |             |               |             |               |
+  // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96
+  // -----------------------------------------------------------------------------
+  // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1
+  // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96
+  //          |---26 bit---|    |-----117----||-------------142-------------|
+  // b = format bit len, o = odd parity of last 3 bits
+  // f = facility code, c = card number
+  // w = wiegand parity
+  // (26 bit format shown)
+ 
+  //get raw ID before removing parities
+  uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
+  uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
+  uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
+  setDemodBuf(BitStream,96,idx);
+
+  size = removeParity(BitStream, idx+8, 4, 1, 88);
+  if (size != 66){
+    if (g_debugMode==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
+    return 0;
+  }
+  // ok valid card found!
+
+  // Index map
+  // 0           10         20        30          40        50        60
+  // |           |          |         |           |         |         |
+  // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
+  // -----------------------------------------------------------------------------
+  // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
+  // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  // |26 bit|   |-117--| |-----142------|
+  // b = format bit len, o = odd parity of last 3 bits
+  // f = facility code, c = card number
+  // w = wiegand parity
+  // (26 bit format shown)
+
+  uint32_t fc = 0;
+  uint32_t cardnum = 0;
+  uint32_t code1 = 0;
+  uint32_t code2 = 0;
+  uint8_t fmtLen = bytebits_to_byte(BitStream,8);
+  if (fmtLen==26){
+    fc = bytebits_to_byte(BitStream+9, 8);
+    cardnum = bytebits_to_byte(BitStream+17, 16);
+    code1 = bytebits_to_byte(BitStream+8,fmtLen);
+    PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+  } else {
+    cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+    if (fmtLen>32){
+      code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
+      code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
+      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+    } else{
+      code1 = bytebits_to_byte(BitStream+8,fmtLen);
+      PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %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
+  return 1;
+}
+
+//by marshmellow
+//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001  (always a 128 bit data stream)
+//print full Farpointe Data/Pyramid Prox ID and some bit format details if found
+int CmdFSKdemodPyramid(const char *Cmd)
+{
+  //raw fsk demod no manchester decoding no start bit finding just get binary from wave
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  size_t size = getFromGraphBuf(BitStream);
+  if (size==0) return 0;
+
+  //get binary from fsk wave
+  int idx = PyramiddemodFSK(BitStream, &size);
+  if (idx < 0){
+    if (g_debugMode==1){
+      if (idx == -5)
+        PrintAndLog("DEBUG: Error - not enough samples");
+      else if (idx == -1)
+        PrintAndLog("DEBUG: Error - only noise found");
+      else if (idx == -2)
+        PrintAndLog("DEBUG: Error - problem during FSK demod");
+      else if (idx == -3)
+        PrintAndLog("DEBUG: Error - Size not correct: %d", size);
+      else if (idx == -4)
+        PrintAndLog("DEBUG: Error - Pyramid preamble not found");
+      else
+        PrintAndLog("DEBUG: Error - idx: %d",idx);
+    }
+    return 0;
+  }
+  // Index map
+  // 0           10          20          30            40          50          60
+  // |           |           |           |             |           |           |
+  // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
+  // -----------------------------------------------------------------------------
+  // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
+  // premable  xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
+
+  // 64    70            80          90          100         110           120
+  // |     |             |           |           |           |             |
+  // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
+  // -----------------------------------------------------------------------------
+  // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
+  // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
+  //                                  |---115---||---------71---------|
+  // s = format start bit, o = odd parity of last 7 bits
+  // f = facility code, c = card number
+  // w = wiegand parity, x = extra space for other formats
+  // p = unknown checksum
+  // (26 bit format shown)
+  
+  //get raw ID before removing parities
+  uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32);
+  uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);
+  uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32);
+  uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32);
+  setDemodBuf(BitStream,128,idx);
+
+  size = removeParity(BitStream, idx+8, 8, 1, 120);
+  if (size != 105){
+    if (g_debugMode==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;
+  }
+
+  // ok valid card found!
+
+  // Index map
+  // 0         10        20        30        40        50        60        70
+  // |         |         |         |         |         |         |         |
+  // 01234567890123456789012345678901234567890123456789012345678901234567890
+  // -----------------------------------------------------------------------
+  // 00000000000000000000000000000000000000000000000000000000000000000000000
+  // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+  // 71         80         90          100
+  // |          |          |           |
+  // 1 2 34567890 1234567890123456 7 8901234
+  // ---------------------------------------
+  // 1 1 01110011 0000000001000110 0 1001010
+  // s w ffffffff cccccccccccccccc w ppppppp
+  //     |--115-| |------71------|
+  // s = format start bit, o = odd parity of last 7 bits
+  // f = facility code, c = card number
+  // w = wiegand parity, x = extra space for other formats
+  // p = unknown checksum
+  // (26 bit format shown)
+
+  //find start bit to get fmtLen
+  int j;
+  for (j=0; j<size; j++){
+    if(BitStream[j]) break;
+  }
+  uint8_t fmtLen = size-j-8;
+  uint32_t fc = 0;
+  uint32_t cardnum = 0;
+  uint32_t code1 = 0;
+  //uint32_t code2 = 0;
+  if (fmtLen==26){
+    fc = bytebits_to_byte(BitStream+73, 8);
+    cardnum = bytebits_to_byte(BitStream+81, 16);
+    code1 = bytebits_to_byte(BitStream+72,fmtLen);
+    PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %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);
+    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);
+      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);
+      PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo);
+    }
+  }
+  if (g_debugMode){
+    PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
+    printDemodBuff();
+  }

   return 1;
 }
   return 1;
 }

+

 int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
 {
   static const int LowTone[]  = {
 int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
 {
   static const int LowTone[]  = {


@@ -804,8 +1351,7 @@ 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) {


@@ -837,53 +1383,120 @@ int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating
   return 0;
 }
 
   return 0;
 }
 

-int CmdDetectNRZpskClockRate(const char *Cmd)
+//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);
+  if (size==0) return 0;
+  uint8_t dummy = 0;
+  uint16_t ans = countFC(BitStream, size, &dummy); 
+  if (ans==0) {
+    if (g_debugMode) PrintAndLog("DEBUG: No data found");
+    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");
+    return 0;
+  }
+  if ((fc1==10 && fc2==8) || (fc1==8 && fc2==5)){
+    PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
+    return 1;
+  }
+  if (g_debugMode){
+    PrintAndLog("DEBUG: unknown fsk field clock detected");
+    PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
+  }
+  return 0;
+}
+
+//by marshmellow
+//attempt to detect the bit clock for PSK modulations
+int CmdDetectPSKClockRate(const char *Cmd)

 {
 {

-       GetNRZpskClock("",0,0);
+       GetPskClock("",0,0);

        return 0;
 }
 
        return 0;
 }
 

-int PSKnrzDemod(const char *Cmd){
-       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)
-               //PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
-               return -1;
-       }
-       PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
+//by marshmellow
+//attempt to detect the bit clock for NRZ modulations
+int CmdDetectNRZClockRate(const char *Cmd)
+{
+  GetNrzClock("",0,0);
+  return 0;
+}

 
 

-       //prime demod buffer for output
-       setDemodBuf(BitStream,BitLen);
-       return errCnt;
+//by marshmellow
+//attempt to psk1 demod graph buffer
+int PSKDemod(const char *Cmd, uint8_t 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) {
+    PrintAndLog("Invalid argument: %s", Cmd);
+    return -1;
+  }
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+  size_t BitLen = getFromGraphBuf(BitStream);
+  if (BitLen==0) return 0;
+  int errCnt=0;
+  errCnt = pskRawDemod(BitStream, &BitLen,&clk,&invert);
+  if (errCnt > maxErr){
+    if (g_debugMode==1) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+    return -1;
+  } 
+  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 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 = PSKDemod(Cmd, 0);
+  } else{ //default to RF/32
+    ans = PSKDemod("32", 0);
+  }

 
 

-       int ans=PSKnrzDemod(Cmd);

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

-               PrintAndLog("Error1: %d",ans);
+               if (g_debugMode==1) 
+      PrintAndLog("Error1: %d",ans);

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

-               PrintAndLog("Error2: %d",ans);
+               if (g_debugMode==1)
+      PrintAndLog("Error2: %d",ans);

                return -1;
        }
                return -1;
        }

-       char showbits[251];
-       if(invert==1) PrintAndLog("Had to invert bits");
+       char showbits[251]={0x00};
+       if (invert)
+    if (g_debugMode==1)
+      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;


@@ -929,9 +1542,17 @@ 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};


@@ -940,24 +1561,144 @@ int CmdPskClean(const char *Cmd)
        setGraphBuf(bitStream, bitLen);
        return 0;
 }
        setGraphBuf(bitStream, bitLen);
        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
-int CmdpskNRZrawDemod(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 CmdNRZrawDemod(const char *Cmd)

 {
 {

-       int errCnt= PSKnrzDemod(Cmd);
+  int invert=0;
+  int clk=0;
+  int maxErr=100;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data nrzrawdemod [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 nrzrawdemod        = demod a nrz/direct tag from GraphBuffer");
+    PrintAndLog("          : data nrzrawdemod 32     = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data nrzrawdemod 32 1   = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data nrzrawdemod 1      = demod a nrz/direct tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data nrzrawdemod 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;
+  }
+ 
+  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) 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) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
+    return 0;
+  }
+  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){
+    PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
+  }else{
+  }
+  PrintAndLog("NRZ demoded bitstream:");
+  // Now output the bitstream to the scrollback by line of 16 bits
+  printDemodBuff();
+  return 1;
+}
+
+// by marshmellow
+// takes 3 arguments - clock, invert, maxErr as integers
+// attempts to demodulate psk only
+// prints binary found and saves in demodbuffer for further commands
+int CmdPSK1rawDemod(const char *Cmd)
+{
+  int errCnt;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data psk1rawdemod [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 psk1rawdemod        = demod a psk1 tag from GraphBuffer");
+    PrintAndLog("          : data psk1rawdemod 32     = demod a psk1 tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data psk1rawdemod 32 1   = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
+    PrintAndLog("          : data psk1rawdemod 1      = demod a psk1 tag from GraphBuffer while inverting data");
+    PrintAndLog("          : data psk1rawdemod 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
+    return 0;
+  }
+  errCnt = PSKDemod(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){

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

 
 

-       return 1;
+// by marshmellow
+// takes same args as cmdpsknrzrawdemod
+int CmdPSK2rawDemod(const char *Cmd)
+{
+  int errCnt=0;
+  char cmdp = param_getchar(Cmd, 0);
+  if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  data psk2rawdemod [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 psk2rawdemod        = demod a psk2 tag from GraphBuffer, autodetect clock");
+    PrintAndLog("          : data psk2rawdemod 32     = demod a psk2 tag from GraphBuffer using a clock of RF/32");
+    PrintAndLog("          : data psk2rawdemod 32 1   = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
+    PrintAndLog("          : data psk2rawdemod 1      = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
+    PrintAndLog("          : data psk2rawdemod 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
+    return 0;
+  }
+  errCnt=PSKDemod(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)


@@ -976,7 +1717,7 @@ 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);
 


@@ -985,7 +1726,7 @@ 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;
        }
 


@@ -1035,7 +1776,7 @@ 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)


@@ -1045,14 +1786,14 @@ 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)


@@ -1109,14 +1850,14 @@ 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;


@@ -1145,6 +1886,8 @@ 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);


@@ -1425,12 +2168,12 @@ 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");


@@ -1541,19 +2284,25 @@ static command_t CommandTable[] =
   {"help",          CmdHelp,            1, "This help"},
   {"amp",           CmdAmp,             1, "Amplify peaks"},
   {"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
   {"help",          CmdHelp,            1, "This help"},
   {"amp",           CmdAmp,             1, "Amplify peaks"},
   {"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},

-       {"askmandemod",   Cmdaskmandemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"},
-       {"askrawdemod",   Cmdaskrawdemod,     1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"},
+  {"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] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
+       {"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> -- Autocorrelation over window"},
   {"autocorr",      CmdAutoCorr,        1, "<window length> -- Autocorrelation over window"},

-  {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] Biphase decode binary stream already in graph buffer (offset = bit to start decode from)"},
+  {"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in demod buffer (offset = 0|1 bits to shift the decode start)"},

   {"bitsamples",    CmdBitsamples,      0, "Get raw samples as bitstring"},
   {"bitstream",     CmdBitstream,       1, "[clock rate] -- Convert waveform into a bitstream"},
   {"buffclear",     CmdBuffClear,       1, "Clear sample buffer and graph window"},
   {"dec",           CmdDec,             1, "Decimate samples"},
        {"detectclock",   CmdDetectClockRate, 1, "Detect ASK clock rate"},
   {"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},
   {"bitsamples",    CmdBitsamples,      0, "Get raw samples as bitstring"},
   {"bitstream",     CmdBitstream,       1, "[clock rate] -- Convert waveform into a bitstream"},
   {"buffclear",     CmdBuffClear,       1, "Clear sample buffer and graph window"},
   {"dec",           CmdDec,             1, "Decimate samples"},
        {"detectclock",   CmdDetectClockRate, 1, "Detect ASK clock rate"},
   {"fskdemod",      CmdFSKdemod,        1, "Demodulate graph window as a HID FSK"},

-  {"fskhiddemod",   CmdFSKdemodHID,     1, "Demodulate graph window as a HID FSK using raw"},
-  {"fskiodemod",    CmdFSKdemodIO,      1, "Demodulate graph window as an IO Prox FSK using raw"},
-       {"fskrawdemod",   CmdFSKrawdemod,     1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
+  {"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)"},

   {"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"},
   {"hide",          CmdHide,            1, "Hide graph window"},
   {"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"},
   {"hide",          CmdHide,            1, "Hide graph window"},


@@ -1565,14 +2314,18 @@ static command_t CommandTable[] =
   {"manrawdecode",  Cmdmandecoderaw,    1, "Manchester decode binary stream already in graph buffer"},
   {"manmod",        CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},
        {"norm",          CmdNorm,            1, "Normalize max/min to +/-128"},
   {"manrawdecode",  Cmdmandecoderaw,    1, "Manchester decode binary stream already in graph buffer"},
   {"manmod",        CmdManchesterMod,   1, "[clock rate] -- Manchester modulate a binary stream"},
        {"norm",          CmdNorm,            1, "Normalize max/min to +/-128"},

+  {"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 psk indala tags and output ID binary & hex (args optional[clock will try Auto-detect])"},
-       {"psknrzrawdemod",CmdpskNRZrawDemod,  1, "[clock] [invert<0|1>] -- Attempt to demodulate psk or nrz tags and output binary (args optional[clock will try Auto-detect])"},
+       {"pskdetectclock",CmdDetectPSKClockRate, 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)"},
+       {"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)"},

   {"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"},