]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlf.c
CHG: moved includes into header file where it belong
[proxmark3-svn] / client / cmdlf.c
index e38eee51f410bd5edadcdf5eb8a5ccb551577251..0ab24dba5338a38a15c6ace04d77f77c52bcbf10 100644 (file)
 //-----------------------------------------------------------------------------
 // Low frequency commands
 //-----------------------------------------------------------------------------
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include "proxmark3.h"
-#include "data.h"
-#include "graph.h"
-#include "ui.h"
-#include "cmdparser.h"
-#include "cmdmain.h"
-#include "cmddata.h"
 #include "cmdlf.h"
-#include "cmdlfawid26.h"
-#include "cmdlfhid.h"
-#include "cmdlfti.h"
-#include "cmdlfem4x.h"
-#include "cmdlfhitag.h"
-#include "cmdlft55xx.h"
-#include "cmdlfpcf7931.h"
-#include "cmdlfio.h"
-
 static int CmdHelp(const char *Cmd);
 
-/* send a command before reading */
+int usage_lf_cmdread(void) {
+       PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h             This help");
+       PrintAndLog("       L             Low frequency (125 KHz)");
+       PrintAndLog("       H             High frequency (134 KHz)");
+       PrintAndLog("       d <delay>     delay OFF period, (dec)");
+       PrintAndLog("       z <zero>      time period ZERO, (dec)");
+       PrintAndLog("       o <one>       time period ONE, (dec)");
+       PrintAndLog("       c <cmd>       Command bytes");
+       PrintAndLog("       ************* All periods in microseconds (ms)");
+       PrintAndLog("Examples:");
+       PrintAndLog("      lf cmdread d 80 z 100 o 200 c 11000");
+       PrintAndLog("      lf cmdread d 80 z 100 o 100 c 11000 H");
+       return 0;
+}
+int usage_lf_read(void){
+       PrintAndLog("Usage: lf read [h] [s]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("       s            silent run no printout");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+int usage_lf_snoop(void) {
+       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(void) {
+       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 (range: 0-128)");
+       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 usage_lf_simfsk(void) {
+       PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       H <fcHigh>     Manually set the larger Field Clock");
+       PrintAndLog("       L <fcLow>      Manually set the smaller Field Clock");
+       //PrintAndLog("       s              TBD- -to enable a gap between playback repetitions - default: no gap");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       PrintAndLog("\n  NOTE: if you set one clock manually set them all manually");
+       return 0;
+}
+int usage_lf_simask(void) {
+       PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       b              sim ask/biphase");
+       PrintAndLog("       m              sim ask/manchester - Default");
+       PrintAndLog("       r              sim ask/raw");
+       PrintAndLog("       s              add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       return 0;
+}
+int usage_lf_simpsk(void) {
+       PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       1              set PSK1 (default)");
+       PrintAndLog("       2              set PSK2");
+       PrintAndLog("       3              set PSK3");
+       PrintAndLog("       r <carrier>    2|4|8 are valid carriers: default = 2");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       return 0;
+}
+int usage_lf_find(void){
+    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;
+}
+
+
+/* send a LF command before reading */
 int CmdLFCommandRead(const char *Cmd)
 {
-  static char dummy[3];
+       static char dummy[3] = {0x20,0x00,0x00};
+       UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
+       bool errors = FALSE;
+
+       uint8_t cmdp = 0;
+       int strLength = 0;
+
+       while(param_getchar(Cmd, cmdp) != 0x00) {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_cmdread();
+               case 'H':
+                       dummy[1]='h';
+                       cmdp++;
+                       break;
+               case 'L':
+                       cmdp++;
+                       break;
+               case 'c':
+                       strLength = param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
+                       cmdp+=2;
+                       break;
+               case 'd':
+                       c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               case 'z':
+                       c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               case 'o':
+                       c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;
+               }
+               if(errors) break;
+       }
+       // No args
+       if (cmdp == 0) errors = 1;
 
-  dummy[0]= ' ';
+       //Validations
+       if (errors) return usage_lf_cmdread();
+       
+       // in case they specified 'H'
+       strcpy((char *)&c.d.asBytes + strLength, dummy);
 
-  UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
-  sscanf(Cmd, "%"lli" %"lli" %"lli" %s %s", &c.arg[0], &c.arg[1], &c.arg[2],(char*)(&c.d.asBytes),(char*)(&dummy+1));
-  // in case they specified 'h'
-  strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
-  SendCommand(&c);
-  return 0;
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
 }
 
 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;
-       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 += GraphBuffer[i++];
-               }
+      sum += GraphBuffer[i++];
+    }
 
                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.
-       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;
                
-               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)
@@ -139,10 +270,13 @@ int CmdIndalaDemod(const char *Cmd)
        uint8_t rawbits[4096];
        int rawbit = 0;
        int worst = 0, worstPos = 0;
- // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+       // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+       
+       // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2)
        for (i = 0; i < GraphTraceLen-1; i += 2) {
                count += 1;
                if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
+                       // appears redundant - marshmellow
                        if (state == 0) {
                                for (j = 0; j <  count - 8; j += 16) {
                                        rawbits[rawbit++] = 0;
@@ -154,22 +288,23 @@ int CmdIndalaDemod(const char *Cmd)
                        }
                        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;
-                                       }
+               } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
+                       //appears redundant
+                       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;
                        }
+                       state = 0;
+                       count = 0;
+               }
        }
-  
-       if (rawbit>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);
        } else {
@@ -201,7 +336,7 @@ int CmdIndalaDemod(const char *Cmd)
        }
   
        if (start == rawbit - uidlen + 1) {
-               //PrintAndLog("nothing to wait for");
+               PrintAndLog("nothing to wait for");
                return 0;
        }
 
@@ -242,7 +377,7 @@ int CmdIndalaDemod(const char *Cmd)
        int idx;
        uid1 = uid2 = 0;
        
-       if (uidlen == 64){
+       if (uidlen==64){
                for( idx=0; idx<64; idx++) {
                        if (showbits[idx] == '0') {
                                uid1 = (uid1<<1) | (uid2>>31);
@@ -250,11 +385,10 @@ int CmdIndalaDemod(const char *Cmd)
                        } else {
                                uid1 = (uid1<<1) | (uid2>>31);
                                uid2 = (uid2<<1) | 1;
-                       }
+                       } 
                }
                PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
-       }
-       else {
+       } else {
                uid3 = uid4 = uid5 = uid6 = uid7 = 0;
 
                for( idx=0; idx<224; idx++) {
@@ -264,7 +398,7 @@ int CmdIndalaDemod(const char *Cmd)
                        uid4 = (uid4<<1) | (uid5>>31);
                        uid5 = (uid5<<1) | (uid6>>31);
                        uid6 = (uid6<<1) | (uid7>>31);
-                       
+
                        if (showbits[idx] == '0') 
                                uid7 = (uid7<<1) | 0;
                        else 
@@ -298,15 +432,11 @@ int CmdIndalaDemod(const char *Cmd)
        i = 0;
        int phase = 0;
        for (bit = 0; bit < uidlen; bit++) {
-               if (bits[bit] == 0) {
-                 phase = 0;
-               } else {
-                 phase = 1;
-               }
+               phase = (bits[bit] == 0) ? 0 : 1;
                int j;
                for (j = 0; j < 32; j++) {
-                 GraphBuffer[i++] = phase;
-                 phase = !phase;
+                       GraphBuffer[i++] = phase;
+                       phase = !phase;
                }
        }
 
@@ -316,82 +446,166 @@ int CmdIndalaDemod(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;
-       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 {
-               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;
+  }
+
+       clearCommandBuffer();
+  SendCommand(&c);
+  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)
+       {
+               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;
        }
 
+       // No args
+       if (cmdp == 0) errors = 1;
+
+       //Validations
+       if (errors) return usage_lf_config();
+       
+       //Bps is limited to 8, so fits in lower half of arg1
+       if (bps >> 4) 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));
+       clearCommandBuffer();
        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;
+       bool arg1 = false;
+       uint8_t cmdp =  param_getchar(Cmd, 0);
+       
+       if ( cmdp == 'h' || cmdp == 'H') return usage_lf_read();
+       
+        //suppress print
+       if ( cmdp == 's' || cmdp == 'S') arg1 = true;
+
+       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
+               PrintAndLog("command execution time out");
+               return 1;
        }
+       return 0;
+}
+
+int CmdLFSnoop(const char *Cmd)
+{
+       uint8_t cmdp = param_getchar(Cmd, 0);
+       if(cmdp == 'h' || cmdp == 'H') return usage_lf_snoop();
+       
+       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       clearCommandBuffer();   
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
-
-       CmdSamples("");
-       ShowGraphWindow();
        return 0;
 }
 
 static void ChkBitstream(const char *str)
 {
-       int i;
-
-       /* convert to bitstream if necessary */
+  int i;
+  /* convert to bitstream if necessary */
        for (i = 0; i < (int)(GraphTraceLen / 2); i++){
                if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
-                       CmdBitstream(str);
-                       break;
-               }
-       }
+      CmdGetBitStream("");
+      break;
+    }
+  }
 }
-
+//Attempt to simulate any wave in buffer (one bit per output sample)
+// converts GraphBuffer to bitstream (based on zero crossings) if needed.
 int CmdLFSim(const char *Cmd)
 {
        int i,j;
@@ -399,92 +613,343 @@ int CmdLFSim(const char *Cmd)
 
        sscanf(Cmd, "%i", &gap);
 
-       /* convert to bitstream if necessary */
+       // convert to bitstream if necessary 
        ChkBitstream(Cmd);
 
+       //can send only 512 bits at a time (1 byte sent per bit...)
        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++) {
                        c.d.asBytes[j] = GraphBuffer[i+j];
                }
+               clearCommandBuffer();
                SendCommand(&c);
                WaitForResponse(CMD_ACK,NULL);
                printf(".");
        }
-       
-       printf("\n");
-       PrintAndLog("Starting to simulate");
+
+       PrintAndLog("\nStarting to simulate");
        UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
 
-int CmdLFSimBidir(const char *Cmd)
+// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
+// - allow pull data from DemodBuffer
+int CmdLFfskSim(const char *Cmd)
 {
-  // Set ADC to twice the carrier for a slight supersampling
-  // HACK: not implemented in ARMSRC.
-  PrintAndLog("Not implemented yet.");
-  UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
+       //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
+       // otherwise will need FChigh, FClow, Clock, and bitstream
+  uint8_t fcHigh=0, fcLow=0, clk=0;
+  uint8_t invert=0;
+  bool errors = FALSE;
+  char hexData[32] = {0x00}; // store entered hex data
+  uint8_t data[255] = {0x00}; 
+  int dataLen = 0;
+  uint8_t cmdp = 0;
+  while(param_getchar(Cmd, cmdp) != 0x00)
+  {
+    switch(param_getchar(Cmd, cmdp))
+    {
+    case 'h':
+      return usage_lf_simfsk();
+    case 'i':
+      invert = 1;
+      cmdp++;
+      break;
+    case 'c':
+      errors |= param_getdec(Cmd,cmdp+1,&clk);
+      cmdp+=2;
+      break;
+    case 'H':
+      errors |= param_getdec(Cmd,cmdp+1,&fcHigh);
+      cmdp+=2;
+      break;
+    case 'L':
+      errors |= param_getdec(Cmd,cmdp+1,&fcLow);
+      cmdp+=2;
+      break;
+    //case 's':
+    //  separator=1;
+    //  cmdp++;
+    //  break;
+    case 'd':
+      dataLen = param_getstr(Cmd, cmdp+1, hexData);
+      if (dataLen==0) {
+        errors=TRUE; 
+      } else {
+        dataLen = hextobinarray((char *)data, hexData);
+      }   
+      if (dataLen==0) errors=TRUE; 
+      if (errors) PrintAndLog ("Error getting hex data");
+      cmdp+=2;
+      break;
+    default:
+      PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+      errors = TRUE;
+      break;
+    }
+    if(errors) break;
+  }
+  if(cmdp == 0 && DemodBufferLen == 0)
+  {
+    errors = TRUE;// No args
+  }
+
+  //Validations
+  if(errors)
+  {
+    return usage_lf_simfsk();
+  }
+
+  if (dataLen == 0){ //using DemodBuffer 
+    if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
+      uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0);
+      if (ans==0){
+        if (!fcHigh) fcHigh=10;
+        if (!fcLow) fcLow=8;
+        if (!clk) clk=50;
+      }
+    }
+  } else {
+    setDemodBuf(data, dataLen, 0);
+  }
+
+       //default if not found
+  if (clk == 0) clk = 50;
+  if (fcHigh == 0) fcHigh = 10;
+  if (fcLow == 0) fcLow = 8;
+
+  uint16_t arg1, arg2;
+  arg1 = fcHigh << 8 | fcLow;
+  arg2 = invert << 8 | clk;
+  size_t size = DemodBufferLen;
+  if (size > USB_CMD_DATA_SIZE) {
+    PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+    size = USB_CMD_DATA_SIZE;
+  } 
+  UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+
+  memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
   SendCommand(&c);
   return 0;
 }
 
-/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
-int CmdLFSimManchester(const char *Cmd)
+// by marshmellow - sim ask data given clock, invert, manchester or raw, separator 
+// - allow pull data from DemodBuffer
+int CmdLFaskSim(const char *Cmd)
 {
-       static int clock, gap;
-       static char data[1024], gapstring[8];
-
-       sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
-
-       ClearGraph(0);
+       //autodetect clock from Graphbuffer if using demod buffer
+       // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
+       uint8_t encoding = 1, separator = 0, clk=0, invert=0;
+       bool errors = FALSE;
+       char hexData[32] = {0x00}; 
+       uint8_t data[255]= {0x00}; // store entered hex data
+       int dataLen = 0;
+       uint8_t cmdp = 0;
+       
+       while(param_getchar(Cmd, cmdp) != 0x00) {
+               switch(param_getchar(Cmd, cmdp)) {
+                       case 'h': return usage_lf_simask();
+                       case 'i':
+                               invert = 1;
+                               cmdp++;
+                               break;
+                       case 'c':
+                               errors |= param_getdec(Cmd,cmdp+1,&clk);
+                               cmdp+=2;
+                               break;
+                       case 'b':
+                               encoding=2; //biphase
+                               cmdp++;
+                               break;
+                       case 'm':
+                               encoding=1;
+                               cmdp++;
+                               break;
+                       case 'r':
+                               encoding=0;
+                               cmdp++;
+                               break;
+                       case 's':
+                               separator=1;
+                               cmdp++;
+                               break;
+                       case 'd':
+                               dataLen = param_getstr(Cmd, cmdp+1, hexData);
+                               if (dataLen==0)
+                                       errors = TRUE; 
+                               else
+                                       dataLen = hextobinarray((char *)data, hexData);
+                               
+                               if (dataLen==0) errors = TRUE; 
+                               if (errors) PrintAndLog ("Error getting hex data, datalen: %d", dataLen);
+                               cmdp+=2;
+                               break;
+                       default:
+                               PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = TRUE;
+                               break;
+               }
+               if(errors) break;
+       }
+  
+       if(cmdp == 0 && DemodBufferLen == 0)
+               errors = TRUE;// No args
 
-       for (int i = 0; i < strlen(data) ; ++i)
-               AppendGraph(0, clock, data[i]- '0');
+       //Validations
+       if(errors) return usage_lf_simask();
+       
+       if (dataLen == 0){ //using DemodBuffer
+               if (clk == 0) 
+                       clk = GetAskClock("0", false, false);
+       } else {
+               setDemodBuf(data, dataLen, 0);
+       }
+       if (clk == 0) clk = 64;
+       if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
+       
+       size_t size = DemodBufferLen;
 
-       CmdManchesterMod("");
+       if (size > USB_CMD_DATA_SIZE) {
+               PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+               size = USB_CMD_DATA_SIZE;
+       }
+       
+       PrintAndLog("preparing to sim ask data: %d bits", size);        
 
-       RepaintGraphWindow();
+       uint16_t arg1, arg2;    
+       arg1 = clk << 8 | encoding;
+       arg2 = invert << 8 | separator;
 
-       sprintf(&gapstring[0], "%i", gap);
-       CmdLFSim(gapstring);
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
+       SendCommand(&c);
        return 0;
 }
 
-int CmdLFSnoop(const char *Cmd)
+// by marshmellow - sim psk data given carrier, clock, invert 
+// - allow pull data from DemodBuffer or parameters
+int CmdLFpskSim(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};
+  //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
+  //will need carrier, Clock, and bitstream
+  uint8_t carrier=0, clk=0;
+  uint8_t invert=0;
+  bool errors = FALSE;
+  char hexData[32] = {0x00}; // store entered hex data
+  uint8_t data[255] = {0x00}; 
+  int dataLen = 0;
+  uint8_t cmdp = 0;
+  uint8_t pskType = 1;
+  while(param_getchar(Cmd, cmdp) != 0x00)
+  {
+    switch(param_getchar(Cmd, cmdp))
+    {
+    case 'h':
+      return usage_lf_simpsk();
+    case 'i':
+      invert = 1;
+      cmdp++;
+      break;
+    case 'c':
+      errors |= param_getdec(Cmd,cmdp+1,&clk);
+      cmdp+=2;
+      break;
+    case 'r':
+      errors |= param_getdec(Cmd,cmdp+1,&carrier);
+      cmdp+=2;
+      break;
+    case '1':
+      pskType=1;
+      cmdp++;
+      break;
+    case '2':
+      pskType=2;
+      cmdp++;
+      break;
+    case '3':
+      pskType=3;
+      cmdp++;
+      break;
+    case 'd':
+      dataLen = param_getstr(Cmd, cmdp+1, hexData);
+      if (dataLen==0) {
+        errors=TRUE; 
+      } else {
+        dataLen = hextobinarray((char *)data, hexData);
+      }    
+      if (dataLen==0) errors=TRUE; 
+      if (errors) PrintAndLog ("Error getting hex data");
+      cmdp+=2;
+      break;
+    default:
+      PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+      errors = TRUE;
+      break;
+    }
+    if (errors) break;
+  }
+  if (cmdp == 0 && DemodBufferLen == 0)
+  {
+    errors = TRUE;// No args
+  }
 
-       GetFromBigBuf(data,BUFF_SIZE,0);
-       WaitForResponseTimeout(CMD_ACK,NULL, 1500);
+  //Validations
+  if (errors)
+  {
+    return usage_lf_simpsk();
+  }
+  if (dataLen == 0){ //using DemodBuffer
+    PrintAndLog("Getting Clocks");
+    if (clk==0) clk = GetPskClock("", FALSE, FALSE);
+    PrintAndLog("clk: %d",clk);
+    if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE); 
+    PrintAndLog("carrier: %d", carrier);
+  } else {
+    setDemodBuf(data, dataLen, 0);
+  }
 
-       SetGraphBuf(data, BUFF_SIZE);
+  if (clk <= 0) clk = 32;
+  if (carrier == 0) carrier = 2;
+  if (pskType != 1){
+    if (pskType == 2){
+      //need to convert psk2 to psk1 data before sim
+      psk2TOpsk1(DemodBuffer, DemodBufferLen);
+    } else {
+      PrintAndLog("Sorry, PSK3 not yet available");
+    }
+  }
+  uint16_t arg1, arg2;
+  arg1 = clk << 8 | carrier;
+  arg2 = invert;
+  size_t size=DemodBufferLen;
+  if (size > USB_CMD_DATA_SIZE) {
+    PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+    size=USB_CMD_DATA_SIZE;
+  }
+  UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
+  PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
+  memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
+  SendCommand(&c);
+  
+  return 0;
+}
 
-       return 0;
+int CmdLFSimBidir(const char *Cmd)
+{
+  // Set ADC to twice the carrier for a slight supersampling
+  // HACK: not implemented in ARMSRC.
+  PrintAndLog("Not implemented yet.");
+  UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
+  SendCommand(&c);
+  return 0;
 }
 
 int CmdVchDemod(const char *Cmd)
@@ -564,94 +1029,205 @@ int CmdVchDemod(const char *Cmd)
 }
 
 //by marshmellow
-int CmdLFfind(const char *Cmd)
-{
+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;
-       }
+       char testRaw = param_getchar(Cmd, 1);
+       if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find();
 
-       if (!offline || (cmdp != '1') ){
-               ans = CmdLFRead("");
+       if (!offline && (cmdp != '1')){
+               CmdLFRead("s");
+               getSamples("30000",false);
        } 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;
+       }
 
-       PrintAndLog("Checking for known tags:");
+       ans=CmdFSKdemodAWID("");
+       if (ans>0) {
+       PrintAndLog("\nValid AWID ID Found!");
+       return 1;
+       }
 
-       ans = Cmdaskmandemod("");
-       PrintAndLog("ASK_MAN: %s", (ans) ? "YES":"NO" );
+       ans=CmdFSKdemodHID("");
+       if (ans>0) {
+       PrintAndLog("\nValid HID Prox ID Found!");
+       return 1;
+       }
 
-       ans = CmdFSKdemodHID("");
-       PrintAndLog("HID: %s", (ans) ? "YES":"NO" );
+       ans=CmdAskEM410xDemod("");
+       if (ans>0) {
+       PrintAndLog("\nValid EM410x ID Found!");
+       return 1;
+       }
 
-       ans = CmdFSKdemodIO("");
-       PrintAndLog("IO prox: %s", (ans) ? "YES":"NO" );
+       ans=CmdG_Prox_II_Demod("");
+       if (ans>0) {
+       PrintAndLog("\nValid Guardall G-Prox II ID Found!");
+       return 1;
+       }
 
-       ans = CmdIndalaDemod("");
-       PrintAndLog("Indala (64): %s", (ans) ? "YES":"NO" );
+       ans=CmdFDXBdemodBI("");
+       if (ans>0) {
+               PrintAndLog("\nValid FDX-B ID Found!");
+               return 1;
+       }
 
-       ans = CmdIndalaDemod("224");
-       PrintAndLog("Indala (224): %s", (ans) ? "YES":"NO" );
+       ans=EM4x50Read("", false);
+       if (ans>0) {
+               PrintAndLog("\nValid EM4x50 ID Found!");
+               return 1;
+       }       
+
+       ans=CmdVikingDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Viking ID Found!");
+               return 1;
+       }       
+
+       ans=CmdIndalaDecode("");
+       if (ans>0) {
+               PrintAndLog("\nValid Indala ID Found!");
+               return 1;
+       }
 
-       // ans = CmdVchDemod("");
-       // PrintAndLog("VeriChip: %s", (ans) ? "YES":"NO" );
+       ans=CmdPSKNexWatch("");
+       if (ans>0) {
+               PrintAndLog("\nValid NexWatch ID Found!");
+               return 1;
+       }
+       ans=CmdLFNedapDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid NEDAP ID Found!");
+               return 1;
+       }
+       // TIdemod?
+       
 
-       // ans = CmdFlexdemod("");
-       // PrintAndLog("FlexPass: %s", (ans) ? "YES":"NO" );
+       PrintAndLog("\nNo Known Tags Found!\n");
+       if (testRaw=='u' || testRaw=='U'){
+               //test unknown tag formats (raw mode)
+               PrintAndLog("\nChecking for Unknown tags:\n");
+               ans=AutoCorrelate(4000, FALSE, FALSE);
        
-       if (!ans)
-               PrintAndLog("No Known Tags Found!\n");
+               if (ans > 0) {
+
+                       PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
 
+                       if ( ans % 8 == 0)  {
+                               int bytes = (ans / 8);
+                               PrintAndLog("Possible %d bytes", bytes);
+                               int blocks = 0;
+                               if ( bytes % 2 == 0) {
+                                       blocks = (bytes / 2);   
+                                       PrintAndLog("Possible  2 blocks, width %d", blocks);
+                               }
+                               if ( bytes % 4 == 0) {
+                                       blocks = (bytes / 4);   
+                                       PrintAndLog("Possible  4 blocks, width %d", blocks);
+                               }
+                               if ( bytes % 8 == 0) {
+                                       blocks = (bytes / 8);   
+                                       PrintAndLog("Possible  8 blocks, width %d", blocks);
+                               }
+                               if ( bytes % 16 == 0) {
+                                       blocks = (bytes / 16);  
+                                       PrintAndLog("Possible 16 blocks, width %d", blocks);
+                               }
+                       }
+               }
+
+               ans=GetFskClock("",FALSE,FALSE); 
+               if (ans != 0){ //fsk
+                       ans=FSKrawDemod("",TRUE);
+                       if (ans>0) {
+                               PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+                               return 1;
+                       }
+               }
+               bool st = TRUE;
+               ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
+               if (ans>0) {
+                 PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+                 PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
+                 return 1;
+               }
+               
+               ans=CmdPSK1rawDemod("");
+               if (ans>0) {
+                       PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
+                       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)"},
-
-  {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
-  {"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)"},
-  {"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 }"},
-  {NULL, NULL, 0, NULL}
+       {"help",        CmdHelp,            1, "This help"},
+       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs... }"},
+       {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
+       {"guard",       CmdLFGuard,         1, "{ Guardall RFIDs... }"},
+       {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
+       {"hitag",       CmdLFHitag,         1, "{ HITAG RFIDs... }"},
+       {"io",                  CmdLFIO,                        1, "{ IOPROX RFIDs... }"},
+       {"nedap",               CmdLFNedap,                     1, "{ NEDAP RFIDs... }"},
+       {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 RFIDs... }"},
+       {"presco",      CmdLFPresco,        1, "{ Presco RFIDs... }"},
+       {"pyramid",             CmdLFPyramid,       1, "{ Farpointe/Pyramid RFIDs... }"},       
+       {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
+       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
+       {"viking",      CmdLFViking,        1, "{ Viking RFIDs... }"},
+       {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
+       {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"},
+       {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
+       {"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 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
+       {"read",        CmdLFRead,          0, "['s' silent] 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) \n\t\t-- 'u' to search for unknown tags"},
+       {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
+       {"simask",      CmdLFaskSim,        0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'m'|'r'>] [msg separator 's'] [d <hexdata>] \n\t\t-- Simulate LF ASK tag from demodbuffer or input"},
+       {"simfsk",      CmdLFfskSim,        0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"},
+       {"simpsk",      CmdLFpskSim,        0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] \n\t\t-- Simulate LF PSK tag from demodbuffer or input"},
+       {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
+       {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
+       {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
+       {NULL, NULL, 0, NULL}
 };
 
-int CmdLF(const char *Cmd)
-{
-  CmdsParse(CommandTable, Cmd);
-  return 0; 
+int CmdLF(const char *Cmd) {
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0; 
 }
 
-int CmdHelp(const char *Cmd)
-{
-  CmdsHelp(CommandTable);
-  return 0;
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
 }
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