Merge branch 'master' of https://github.com/Proxmark/proxmark3

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 9a9984d18117275cadff6f8a2bbfebf30edfd328..b7c1b13f75e8a61ee7766b75d8265bbb0cbbd7ee 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -19,8 +19,8 @@
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"

+#include "util.h"

 #include "cmdlf.h"
 #include "cmdlf.h"

-#include "cmdlfawid26.h"

 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlfem4x.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlfem4x.h"


@@ -48,379 +48,505 @@ int CmdLFCommandRead(const char *Cmd)
 
 int CmdFlexdemod(const char *Cmd)
 {
 
 int CmdFlexdemod(const char *Cmd)
 {

-       int i;
-       for (i = 0; i < GraphTraceLen; ++i) {
-               if (GraphBuffer[i] < 0) {
-                       GraphBuffer[i] = -1;
-               } else {
-                       GraphBuffer[i] = 1;
-               }
-       }
+  int i;
+  for (i = 0; i < GraphTraceLen; ++i) {
+    if (GraphBuffer[i] < 0) {
+      GraphBuffer[i] = -1;
+    } else {
+      GraphBuffer[i] = 1;
+    }
+  }

 
 

-       #define LONG_WAIT 100
-       int start;
-       for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
-               int first = GraphBuffer[start];
-               for (i = start; i < start + LONG_WAIT; i++) {
-                       if (GraphBuffer[i] != first) {
-                               break;
-                       }
-               }
-               if (i == (start + LONG_WAIT)) {
-               break;
-               }
-       }
-       if (start == GraphTraceLen - LONG_WAIT) {
-               //PrintAndLog("nothing to wait for");
-               return 0;
-       }
+#define LONG_WAIT 100
+  int start;
+  for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
+    int first = GraphBuffer[start];
+    for (i = start; i < start + LONG_WAIT; i++) {
+      if (GraphBuffer[i] != first) {
+        break;
+      }
+    }
+    if (i == (start + LONG_WAIT)) {
+      break;
+    }
+  }
+  if (start == GraphTraceLen - LONG_WAIT) {
+    PrintAndLog("nothing to wait for");
+    return 0;
+  }

 
 

-       GraphBuffer[start] = 2;
-       GraphBuffer[start+1] = -2;
+  GraphBuffer[start] = 2;
+  GraphBuffer[start+1] = -2;

        uint8_t bits[64] = {0x00};
 
        int bit, sum;
        uint8_t bits[64] = {0x00};
 
        int bit, sum;

-       i = start;
-       for (bit = 0; bit < 64; bit++) {
+  i = start;
+  for (bit = 0; bit < 64; bit++) {

                sum = 0;
                for (int j = 0; j < 16; j++) {
                sum = 0;
                for (int j = 0; j < 16; j++) {

-                       sum += GraphBuffer[i++];
-               }
+      sum += GraphBuffer[i++];
+    }

 
                bits[bit] = (sum > 0) ? 1 : 0;
 
 
                bits[bit] = (sum > 0) ? 1 : 0;
 

-               PrintAndLog("bit %d sum %d", bit, sum);
-       }
+    PrintAndLog("bit %d sum %d", bit, sum);
+  }

 
 

-       for (bit = 0; bit < 64; bit++) {
-               int j;
-               int sum = 0;
-               for (j = 0; j < 16; j++) {
-                       sum += GraphBuffer[i++];
-               }
-               if (sum > 0 && bits[bit] != 1) {
-                       PrintAndLog("oops1 at %d", bit);
-               }
-               if (sum < 0 && bits[bit] != 0) {
-                       PrintAndLog("oops2 at %d", bit);
-               }
-       }
+  for (bit = 0; bit < 64; bit++) {
+    int j;
+    int sum = 0;
+    for (j = 0; j < 16; j++) {
+      sum += GraphBuffer[i++];
+    }
+    if (sum > 0 && bits[bit] != 1) {
+      PrintAndLog("oops1 at %d", bit);
+    }
+    if (sum < 0 && bits[bit] != 0) {
+      PrintAndLog("oops2 at %d", bit);
+    }
+  }

 
        // HACK writing back to graphbuffer.
 
        // HACK writing back to graphbuffer.

-       GraphTraceLen = 32*64;
-       i = 0;
-       int phase = 0;
-       for (bit = 0; bit < 64; bit++) {
+  GraphTraceLen = 32*64;
+  i = 0;
+  int phase = 0;
+  for (bit = 0; bit < 64; bit++) {

        
                phase = (bits[bit] == 0) ? 0 : 1;
                
        
                phase = (bits[bit] == 0) ? 0 : 1;
                

-               int j;
-               for (j = 0; j < 32; j++) {
-                       GraphBuffer[i++] = phase;
-                       phase = !phase;
-               }
-       }
+    int j;
+    for (j = 0; j < 32; j++) {
+      GraphBuffer[i++] = phase;
+      phase = !phase;
+    }
+  }

 
 

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

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

-       // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
-
-       int state = -1;
-       int count = 0;
-       int i, j;
-
-       // worst case with GraphTraceLen=64000 is < 4096
-       // under normal conditions it's < 2048
-
-       uint8_t rawbits[4096];
-       int rawbit = 0;
-       int worst = 0, worstPos = 0;
-  
-       PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
-  
-       for (i = 0; i < GraphTraceLen-1; i += 2) {
-               count += 1;
-               if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
-                       if (state == 0) {
-                               for (j = 0; j <  count - 8; j += 16) {
-                                       rawbits[rawbit++] = 0;
-                               }
-                               if ((abs(count - j)) > worst) {
-                                       worst = abs(count - j);
-                                       worstPos = i;
-                               }
-                       }
-                       state = 1;
-                       count = 0;
-                       } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
-                               if (state == 1) {
-                                       for (j = 0; j <  count - 8; j += 16) {
-                                               rawbits[rawbit++] = 1;
-                                       }
-                                       if ((abs(count - j)) > worst) {
-                                               worst = abs(count - j);
-                                               worstPos = i;
-                                       }
-                               }
-                               state = 0;
-                               count = 0;
-                       }
-       }
+  // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
+
+  int state = -1;
+  int count = 0;
+  int i, j;
+
+  // worst case with GraphTraceLen=64000 is < 4096
+  // under normal conditions it's < 2048
+
+  uint8_t rawbits[4096];
+  int rawbit = 0;
+  int worst = 0, worstPos = 0;
+ // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+  for (i = 0; i < GraphTraceLen-1; i += 2) {
+    count += 1;
+    if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
+      if (state == 0) {
+        for (j = 0; j <  count - 8; j += 16) {
+          rawbits[rawbit++] = 0;
+        }
+        if ((abs(count - j)) > worst) {
+          worst = abs(count - j);
+          worstPos = i;
+        }
+      }
+      state = 1;
+      count = 0;
+    } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
+      if (state == 1) {
+        for (j = 0; j <  count - 8; j += 16) {
+          rawbits[rawbit++] = 1;
+        }
+        if ((abs(count - j)) > worst) {
+          worst = abs(count - j);
+          worstPos = i;
+        }
+      }
+      state = 0;
+      count = 0;
+    }
+  }

   
   

-       if (rawbit>0){
-               PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
-               PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
+  if (rawbit>0){
+    PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
+    PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);

        } else {
                return 0;
        }
 
        } else {
                return 0;
        }
 

-       // Finding the start of a UID
-       int uidlen, long_wait;
-       if (strcmp(Cmd, "224") == 0) {
-               uidlen = 224;
-               long_wait = 30;
-       } else {
-               uidlen = 64;
-               long_wait = 29;
-       }
+  // Finding the start of a UID
+  int uidlen, long_wait;
+  if (strcmp(Cmd, "224") == 0) {
+    uidlen = 224;
+    long_wait = 30;
+  } else {
+    uidlen = 64;
+    long_wait = 29;
+  }

 
 

-       int start;
-       int first = 0;
-       for (start = 0; start <= rawbit - uidlen; start++) {
-               first = rawbits[start];
-               for (i = start; i < start + long_wait; i++) {
-                       if (rawbits[i] != first) {
-                               break;
-                       }
-               }
-               if (i == (start + long_wait)) {
-                       break;
-               }
-       }
+  int start;
+  int first = 0;
+  for (start = 0; start <= rawbit - uidlen; start++) {
+    first = rawbits[start];
+    for (i = start; i < start + long_wait; i++) {
+      if (rawbits[i] != first) {
+        break;
+      }
+    }
+    if (i == (start + long_wait)) {
+      break;
+    }
+  }

   
   

-       if (start == rawbit - uidlen + 1) {
-               //PrintAndLog("nothing to wait for");
-               return 0;
-       }
+  if (start == rawbit - uidlen + 1) {
+    PrintAndLog("nothing to wait for");
+    return 0;
+  }

 
 

-       // Inverting signal if needed
-       if (first == 1) {
-               for (i = start; i < rawbit; i++) {
-                       rawbits[i] = !rawbits[i];
-               }
-       }
+  // Inverting signal if needed
+  if (first == 1) {
+    for (i = start; i < rawbit; i++) {
+      rawbits[i] = !rawbits[i];
+    }
+  }

 
 

-       // Dumping UID
+  // Dumping UID

        uint8_t bits[224] = {0x00};
        char showbits[225] = {0x00};
        uint8_t bits[224] = {0x00};
        char showbits[225] = {0x00};

-       int bit;
-       i = start;
-       int times = 0;
+  int bit;
+  i = start;
+  int times = 0;

        
        

-       if (uidlen > rawbit) {
-               PrintAndLog("Warning: not enough raw bits to get a full UID");
-               for (bit = 0; bit < rawbit; bit++) {
-                       bits[bit] = rawbits[i++];
-                       // As we cannot know the parity, let's use "." and "/"
-                       showbits[bit] = '.' + bits[bit];
-               }
-               showbits[bit+1]='\0';
-               PrintAndLog("Partial UID=%s", showbits);
-               return 0;
-       } else {
-               for (bit = 0; bit < uidlen; bit++) {
-                       bits[bit] = rawbits[i++];
-                       showbits[bit] = '0' + bits[bit];
-               }
-               times = 1;
-       }
+  if (uidlen > rawbit) {
+    PrintAndLog("Warning: not enough raw bits to get a full UID");
+    for (bit = 0; bit < rawbit; bit++) {
+      bits[bit] = rawbits[i++];
+      // As we cannot know the parity, let's use "." and "/"
+      showbits[bit] = '.' + bits[bit];
+    }
+    showbits[bit+1]='\0';
+    PrintAndLog("Partial UID=%s", showbits);
+    return 0;
+  } else {
+    for (bit = 0; bit < uidlen; bit++) {
+      bits[bit] = rawbits[i++];
+      showbits[bit] = '0' + bits[bit];
+    }
+    times = 1;
+  }

   
   

-       //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;

        uid1 = uid2 = 0;
        
        uid1 = uid2 = 0;
        

-       if (uidlen == 64){
-               for( idx=0; idx<64; idx++) {
-                       if (showbits[idx] == '0') {
-                               uid1 = (uid1<<1) | (uid2>>31);
-                               uid2 = (uid2<<1) | 0;
-                       } else {
-                               uid1 = (uid1<<1) | (uid2>>31);
-                               uid2 = (uid2<<1) | 1;
-                       }
-               }
-               PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
-       }
-       else {
+  if (uidlen==64){
+    for( idx=0; idx<64; idx++) {
+        if (showbits[idx] == '0') {
+        uid1=(uid1<<1)|(uid2>>31);
+        uid2=(uid2<<1)|0;
+        } else {
+        uid1=(uid1<<1)|(uid2>>31);
+        uid2=(uid2<<1)|1;
+        } 
+      }
+    PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
+  }
+  else {

                uid3 = uid4 = uid5 = uid6 = uid7 = 0;
 
                uid3 = uid4 = uid5 = uid6 = uid7 = 0;
 

-               for( idx=0; idx<224; idx++) {
-                       uid1 = (uid1<<1) | (uid2>>31);
-                       uid2 = (uid2<<1) | (uid3>>31);
-                       uid3 = (uid3<<1) | (uid4>>31);
-                       uid4 = (uid4<<1) | (uid5>>31);
-                       uid5 = (uid5<<1) | (uid6>>31);
-                       uid6 = (uid6<<1) | (uid7>>31);
+    for( idx=0; idx<224; idx++) {
+        uid1=(uid1<<1)|(uid2>>31);
+        uid2=(uid2<<1)|(uid3>>31);
+        uid3=(uid3<<1)|(uid4>>31);
+        uid4=(uid4<<1)|(uid5>>31);
+        uid5=(uid5<<1)|(uid6>>31);
+        uid6=(uid6<<1)|(uid7>>31);

                        
                        if (showbits[idx] == '0') 
                                uid7 = (uid7<<1) | 0;
                        else 
                                uid7 = (uid7<<1) | 1;
                        
                        if (showbits[idx] == '0') 
                                uid7 = (uid7<<1) | 0;
                        else 
                                uid7 = (uid7<<1) | 1;

-               }
-               PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
-       }
+      }
+    PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
+  }

 
 

-       // Checking UID against next occurrences
-       int failed = 0;
+  // Checking UID against next occurrences
+    int failed = 0;

        for (; i + uidlen <= rawbit;) {
                failed = 0;
        for (; i + uidlen <= rawbit;) {
                failed = 0;

-               for (bit = 0; bit < uidlen; bit++) {
-                       if (bits[bit] != rawbits[i++]) {
-                               failed = 1;
-                               break;
-                       }
-               }
-               if (failed == 1) {
-                       break;
-               }
-               times += 1;
-       }
+    for (bit = 0; bit < uidlen; bit++) {
+      if (bits[bit] != rawbits[i++]) {
+        failed = 1;
+        break;
+      }
+    }
+    if (failed == 1) {
+      break;
+    }
+    times += 1;
+  }

 
 

-       PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
+  PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);

 
 

-       // Remodulating for tag cloning
+  // Remodulating for tag cloning

        // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod) 
        // since this changes graphbuffer data.
        // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod) 
        // since this changes graphbuffer data.

-       GraphTraceLen = 32 * uidlen;
-       i = 0;
-       int phase = 0;
-       for (bit = 0; bit < uidlen; bit++) {
-               if (bits[bit] == 0) {
-                 phase = 0;
-               } else {
-                 phase = 1;
-               }
-               int j;
-               for (j = 0; j < 32; j++) {
-                 GraphBuffer[i++] = phase;
-                 phase = !phase;
-               }
-       }
+  GraphTraceLen = 32*uidlen;
+  i = 0;
+  int phase = 0;
+  for (bit = 0; bit < uidlen; bit++) {
+    if (bits[bit] == 0) {
+      phase = 0;
+    } else {
+      phase = 1;
+    }
+    int j;
+    for (j = 0; j < 32; j++) {
+      GraphBuffer[i++] = phase;
+      phase = !phase;
+    }
+  }

 
 

-       RepaintGraphWindow();
-       return 1;
+  RepaintGraphWindow();
+  return 1;

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

-       UsbCommand c;
+  UsbCommand c;

        unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
 
        uid1 =  uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;
        unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
 
        uid1 =  uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;

-       int n = 0, i = 0;
-
-       if (strchr(Cmd,'l') != 0) {
-               while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-                       uid1 = (uid1 << 4) | (uid2 >> 28);
-                       uid2 = (uid2 << 4) | (uid3 >> 28);
-                       uid3 = (uid3 << 4) | (uid4 >> 28);
-                       uid4 = (uid4 << 4) | (uid5 >> 28);
-                       uid5 = (uid5 << 4) | (uid6 >> 28);
-                       uid6 = (uid6 << 4) | (uid7 >> 28);
-                       uid7 = (uid7 << 4) | (n & 0xf);
-               }
-               PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
-               c.cmd = CMD_INDALA_CLONE_TAG_L;
-               c.d.asDwords[0] = uid1;
-               c.d.asDwords[1] = uid2;
-               c.d.asDwords[2] = uid3;
-               c.d.asDwords[3] = uid4;
-               c.d.asDwords[4] = uid5;
-               c.d.asDwords[5] = uid6;
-               c.d.asDwords[6] = uid7;
+  int n = 0, i = 0;
+
+  if (strchr(Cmd,'l') != 0) {
+    while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+      uid1 = (uid1 << 4) | (uid2 >> 28);
+      uid2 = (uid2 << 4) | (uid3 >> 28);
+      uid3 = (uid3 << 4) | (uid4 >> 28);
+      uid4 = (uid4 << 4) | (uid5 >> 28);
+      uid5 = (uid5 << 4) | (uid6 >> 28);
+      uid6 = (uid6 << 4) | (uid7 >> 28);
+       uid7 = (uid7 << 4) | (n & 0xf);
+    }
+    PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
+    c.cmd = CMD_INDALA_CLONE_TAG_L;
+    c.d.asDwords[0] = uid1;
+    c.d.asDwords[1] = uid2;
+    c.d.asDwords[2] = uid3;
+    c.d.asDwords[3] = uid4;
+    c.d.asDwords[4] = uid5;
+    c.d.asDwords[5] = uid6;
+    c.d.asDwords[6] = uid7;

        } else {
        } else {

-               while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-                       uid1 = (uid1 << 4) | (uid2 >> 28);
-                       uid2 = (uid2 << 4) | (n & 0xf);
+    while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+      uid1 = (uid1 << 4) | (uid2 >> 28);
+      uid2 = (uid2 << 4) | (n & 0xf);
+    }
+    PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
+    c.cmd = CMD_INDALA_CLONE_TAG;
+    c.arg[0] = uid1;
+    c.arg[1] = uid2;
+  }
+
+  SendCommand(&c);
+  return 0;
+}
+
+int usage_lf_read()
+{
+       PrintAndLog("Usage: lf read");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+int usage_lf_snoop()
+{
+       PrintAndLog("Usage: lf snoop");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+
+int usage_lf_config()
+{
+       PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h             This help");
+       PrintAndLog("       L             Low frequency (125 KHz)");
+       PrintAndLog("       H             High frequency (134 KHz)");
+       PrintAndLog("       q <divisor>   Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
+       PrintAndLog("       b <bps>       Sets resolution of bits per sample. Default (max): 8");
+       PrintAndLog("       d <decim>     Sets decimation. A value of N saves only 1 in N samples. Default: 1");
+       PrintAndLog("       a [0|1]       Averaging - if set, will average the stored sample value when decimating. Default: 1");
+       PrintAndLog("       t <threshold> Sets trigger threshold. 0 means no threshold");
+       PrintAndLog("Examples:");
+       PrintAndLog("      lf config b 8 L");
+       PrintAndLog("                    Samples at 125KHz, 8bps.");
+       PrintAndLog("      lf config H b 4 d 3");
+       PrintAndLog("                    Samples at 134KHz, averages three samples into one, stored with ");
+       PrintAndLog("                    a resolution of 4 bits per sample.");
+       PrintAndLog("      lf read");
+       PrintAndLog("                    Performs a read (active field)");
+       PrintAndLog("      lf snoop");
+       PrintAndLog("                    Performs a snoop (no active field)");
+       return 0;
+}
+
+int CmdLFSetConfig(const char *Cmd)
+{
+
+       uint8_t divisor =  0;//Frequency divisor
+       uint8_t bps = 0; // Bits per sample
+       uint8_t decimation = 0; //How many to keep
+       bool averaging = 1; // Defaults to true
+       bool errors = FALSE;
+       int trigger_threshold =-1;//Means no change
+       uint8_t unsigned_trigg = 0;
+
+       uint8_t cmdp =0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               PrintAndLog("working %c", param_getchar(Cmd, cmdp));
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_config();
+               case 'H':
+                       divisor = 88;
+                       cmdp++;
+                       break;
+               case 'L':
+                       divisor = 95;
+                       cmdp++;
+                       break;
+               case 'q':
+                       errors |= param_getdec(Cmd,cmdp+1,&divisor);
+                       cmdp+=2;
+                       break;
+               case 't':
+                       errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
+                       cmdp+=2;
+                       if(!errors) trigger_threshold = unsigned_trigg;
+                       break;
+               case 'b':
+                       errors |= param_getdec(Cmd,cmdp+1,&bps);
+                       cmdp+=2;
+                       break;
+               case 'd':
+                       errors |= param_getdec(Cmd,cmdp+1,&decimation);
+                       cmdp+=2;
+                       break;
+               case 'a':
+                       averaging = param_getchar(Cmd,cmdp+1) == '1';
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;

                }
                }

-               PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
-               c.cmd = CMD_INDALA_CLONE_TAG;
-               c.arg[0] = uid1;
-               c.arg[1] = uid2;
+               if(errors) break;
+       }
+       if(cmdp == 0)
+       {
+               errors = 1;// No args

        }
 
        }
 

+       //Validations
+       if(errors)
+       {
+               return usage_lf_config();
+       }
+       //Bps is limited to 8, so fits in lower half of arg1
+       if(bps >> 8) bps = 8;
+
+       sample_config config = {
+               decimation,bps,averaging,divisor,trigger_threshold
+       };
+       //Averaging is a flag on high-bit of arg[1]
+       UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
+       memcpy(c.d.asBytes,&config,sizeof(sample_config));

        SendCommand(&c);
        return 0;
 }
 
 int CmdLFRead(const char *Cmd)
 {
        SendCommand(&c);
        return 0;
 }
 
 int CmdLFRead(const char *Cmd)
 {

-       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};

 
 

-       // 'h' means higher-low-frequency, 134 kHz
-       if(*Cmd == 'h') {
-               c.arg[0] = 1;
-       } else if (*Cmd == '\0') {
-               c.arg[0] = 0;
-       } else if (sscanf(Cmd, "%"lli, &c.arg[0]) != 1) {
-               PrintAndLog("Samples 1: 'lf read'");
-               PrintAndLog("        2: 'lf read h'");
-               PrintAndLog("        3: 'lf read <divisor>'");
-               return 0;
+       uint8_t cmdp =0;
+       if(param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_read();

        }
        }

+       //And ship it to device
+       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};

        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);

+       return 0;
+}

 
 

-       CmdSamples("");
-       ShowGraphWindow();
+int CmdLFSnoop(const char *Cmd)
+{
+       uint8_t cmdp =0;
+       if(param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_snoop();
+       }
+
+       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       SendCommand(&c);
+       WaitForResponse(CMD_ACK,NULL);

        return 0;
 }
 
 static void ChkBitstream(const char *str)
 {
        return 0;
 }
 
 static void ChkBitstream(const char *str)
 {

-       int i;
+  int i;

 
 

-       /* convert to bitstream if necessary */
+  /* convert to bitstream if necessary */

        for (i = 0; i < (int)(GraphTraceLen / 2); i++){
                if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
        for (i = 0; i < (int)(GraphTraceLen / 2); i++){
                if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {

-                       CmdBitstream(str);
-                       break;
-               }
-       }
+      CmdBitstream(str);
+      break;
+    }
+  }

 }
 }

-
+//appears to attempt to simulate manchester

 int CmdLFSim(const char *Cmd)
 {
        int i,j;
 int CmdLFSim(const char *Cmd)
 {
        int i,j;

-       static int gap;
+  static int gap;

 
 

-       sscanf(Cmd, "%i", &gap);
+  sscanf(Cmd, "%i", &gap);

 
 

-       /* convert to bitstream if necessary */
-       ChkBitstream(Cmd);
+  /* convert to bitstream if necessary */
+  ChkBitstream(Cmd);

 
        printf("Sending [%d bytes]", GraphTraceLen);
        for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
 
        printf("Sending [%d bytes]", GraphTraceLen);
        for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {

-               UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
+    UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};

 
                for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
 
                for (j = 0; j < USB_CMD_DATA_SIZE; j++) {

-                       c.d.asBytes[j] = GraphBuffer[i+j];
-               }
-               SendCommand(&c);
-               WaitForResponse(CMD_ACK,NULL);
+      c.d.asBytes[j] = GraphBuffer[i+j];
+    }
+    SendCommand(&c);
+    WaitForResponse(CMD_ACK,NULL);

                printf(".");
                printf(".");

-       }
-       
+  }
+

        printf("\n");
        PrintAndLog("Starting to simulate");
        printf("\n");
        PrintAndLog("Starting to simulate");

-       UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
-       SendCommand(&c);
-       return 0;
+  UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+  SendCommand(&c);
+  return 0;

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


@@ -436,58 +562,25 @@ int CmdLFSimBidir(const char *Cmd)
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
 int CmdLFSimManchester(const char *Cmd)
 {
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
 int CmdLFSimManchester(const char *Cmd)
 {

-       static int clock, gap;
-       static char data[1024], gapstring[8];
+  static int clock, gap;
+  static char data[1024], gapstring[8];

 
 

-       sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
+  sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);

 
 

-       ClearGraph(0);
+  ClearGraph(0);

 
 

-       for (int i = 0; i < strlen(data) ; ++i)
-               AppendGraph(0, clock, data[i]- '0');
+  for (int i = 0; i < strlen(data) ; ++i)
+    AppendGraph(0, clock, data[i]- '0');

 
 

-       CmdManchesterMod("");
+  CmdManchesterMod("");

 
 

-       RepaintGraphWindow();
+  RepaintGraphWindow();

 
 

-       sprintf(&gapstring[0], "%i", gap);
-       CmdLFSim(gapstring);
-       return 0;
+  sprintf(&gapstring[0], "%i", gap);
+  CmdLFSim(gapstring);
+  return 0;

 }
 
 }
 

-int CmdLFSnoop(const char *Cmd)
-{
-       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
-
-       // 'h' means higher-low-frequency, 134 kHz
-       c.arg[0] = 0;
-       c.arg[1] = -1;
-
-       if (*Cmd == 'l') {
-               sscanf(Cmd, "l %"lli, &c.arg[1]);
-       } else if (*Cmd == 'h') {
-               c.arg[0] = 1;
-               sscanf(Cmd, "h %"lli, &c.arg[1]);
-       } else if (sscanf(Cmd, "%"lli" %"lli, &c.arg[0], &c.arg[1]) < 1) {
-               PrintAndLog("usage 1:  snoop");
-               PrintAndLog("      2:  snoop {l,h} [trigger threshold]");
-               PrintAndLog("      3:  snoop <divisor> [trigger threshold]");
-               return 0;
-       }
-
-       SendCommand(&c);
-       WaitForResponse(CMD_ACK,NULL);
-
-       #define BUFF_SIZE 8000
-       uint8_t data[BUFF_SIZE] = {0x00};
-
-       GetFromBigBuf(data,BUFF_SIZE,0);
-       WaitForResponseTimeout(CMD_ACK,NULL, 1500);
-
-       SetGraphBuf(data, BUFF_SIZE);
-
-       return 0;
-}

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


@@ -568,81 +661,120 @@ int CmdVchDemod(const char *Cmd)
 //by marshmellow
 int CmdLFfind(const char *Cmd)
 {
 //by marshmellow
 int CmdLFfind(const char *Cmd)
 {

-       int ans = 0;
-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  lf search <0|1>");
-               PrintAndLog("     <use data from Graphbuffer>, if not set, try reading data from tag.");
-               PrintAndLog("");
-               PrintAndLog("    sample: lf search");
-               PrintAndLog("          : lf search 1");
-               return 0;
-       }
-
-       if (!offline || (cmdp != '1') ){
-               ans = CmdLFRead("");
-       } else if (GraphTraceLen < 1000) {
-               PrintAndLog("Data in Graphbuffer was too small.");
-               return 0;
-       }
-
-       PrintAndLog("Checking for known tags:");
-
-       ans = Cmdaskmandemod("");
-       PrintAndLog("ASK_MAN: %s", (ans) ? "YES":"NO" );
-
-       ans = CmdFSKdemodHID("");
-       PrintAndLog("HID: %s", (ans) ? "YES":"NO" );
-
-       ans = CmdFSKdemodIO("");
-       PrintAndLog("IO prox: %s", (ans) ? "YES":"NO" );
-
-       ans = CmdIndalaDemod("");
-       PrintAndLog("Indala (64): %s", (ans) ? "YES":"NO" );
-
-       ans = CmdIndalaDemod("224");
-       PrintAndLog("Indala (224): %s", (ans) ? "YES":"NO" );
-
-       // ans = CmdVchDemod("");
-       // PrintAndLog("VeriChip: %s", (ans) ? "YES":"NO" );
-
-       // ans = CmdFlexdemod("");
-       // PrintAndLog("FlexPass: %s", (ans) ? "YES":"NO" );
-       
-       if (!ans)
-               PrintAndLog("No Known Tags Found!\n");
+  int ans=0;
+  char cmdp = param_getchar(Cmd, 0);
+  char testRaw = param_getchar(Cmd, 1);
+  if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  lf search <0|1> [u]");
+    PrintAndLog("     <use data from Graphbuffer> , if not set, try reading data from tag.");
+    PrintAndLog("     [Search for Unknown tags] , if not set, reads only known tags.");
+    PrintAndLog("");
+    PrintAndLog("    sample: lf search     = try reading data from tag & search for known tags");
+    PrintAndLog("          : lf search 1   = use data from GraphBuffer & search for known tags");
+    PrintAndLog("          : lf search u   = try reading data from tag & search for known and unknown tags");
+    PrintAndLog("          : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
+
+    return 0;
+  }

 
 

-       return 0;
+  if (!offline && (cmdp != '1')){
+    ans=CmdLFRead("");
+    ans=CmdSamples("20000");
+  } else if (GraphTraceLen < 1000) {
+    PrintAndLog("Data in Graphbuffer was too small.");
+    return 0;
+  }
+  if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
+  PrintAndLog("NOTE: some demods output possible binary\n  if it finds something that looks like a tag");
+  PrintAndLog("False Positives ARE possible\n");  
+  PrintAndLog("\nChecking for known tags:\n");
+  ans=CmdFSKdemodIO("");
+  if (ans>0) {
+    PrintAndLog("\nValid IO Prox ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodPyramid("");
+  if (ans>0) {
+    PrintAndLog("\nValid Pyramid ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodParadox("");
+  if (ans>0) {
+    PrintAndLog("\nValid Paradox ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodAWID("");
+  if (ans>0) {
+    PrintAndLog("\nValid AWID ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodHID("");
+  if (ans>0) {
+    PrintAndLog("\nValid HID Prox ID Found!");
+    return 1;
+  }
+  //add psk and indala
+  ans=CmdIndalaDecode("");
+  if (ans>0) {
+    PrintAndLog("\nValid Indala ID Found!");
+    return 1;
+  }
+  ans=CmdAskEM410xDemod("");
+  if (ans>0) {
+    PrintAndLog("\nValid EM410x ID Found!");
+    return 1;
+  }
+  PrintAndLog("\nNo Known Tags Found!\n");
+  if (testRaw=='u' || testRaw=='U'){
+    //test unknown tag formats (raw mode)
+    PrintAndLog("\nChecking for Unknown tags:\n");
+    ans=CmdDetectClockRate("f");
+    if (ans != 0){ //fsk
+      ans=CmdFSKrawdemod("");
+      if (ans>0) {
+        PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+        return 1;
+      }
+    }
+    ans=Cmdaskmandemod("");
+    if (ans>0) {
+      PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+      return 1;
+    }
+    ans=CmdPSK1rawDemod("");
+    if (ans>0) {
+      PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
+      PrintAndLog("\nCould also be PSK3 - [currently not supported]");
+      PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
+      return 1;
+    }
+    PrintAndLog("\nNo Data Found!\n");
+  }
+  return 0;

 }
 
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,            1, "This help"},
   {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
 }
 
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,            1, "This help"},
   {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},

-
+  {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
+  {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},

   {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
   {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},

+  {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
+  {"io",                 CmdLFIO,                1, "{ ioProx tags... }"},

   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},

-  {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (UID in HEX)(option 'l' for 224 UID"},
-  {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
-
-  
-  {"read",        CmdLFRead,          0, "['h' or <divisor>] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134, alternatively: f=12MHz/(divisor+1))"},
-  {"search",      CmdLFfind,          1, "Read and Search for valid known tag (in offline mode it you can load first then search)"},
+  {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
+  {"read",        CmdLFRead,          0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
+  {"search",      CmdLFfind,          1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},

   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
   {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
   {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},

-  
-  {"awid26",        CmdLFAWID26,        1, "{ AWID26 tags }"},
-  {"em4x",        CmdLFEM4X,          1, "{ EM4X tags }"},      
-  {"hid",         CmdLFHID,           1, "{ HID tags }"},
-  {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders }"},
-  {"io",         CmdLFIO,                1, "{ ioProx tags }"},
-  {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 tags }"},
-  {"ti",          CmdLFTI,            1, "{ TI tags }"},
-  {"t55xx",       CmdLFT55XX,         1, "{ T55xx tags }"},
- 
+  {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
+  {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
+  {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
+  {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
+  {"pcf7931",     CmdLFPCF7931,       1, "{PCF7931 RFIDs...}"},

   {NULL, NULL, 0, NULL}
 };
 
   {NULL, NULL, 0, NULL}
 };