]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlfem4x.c
Merge branch 'master' of https://github.com/Proxmark/proxmark3
[proxmark3-svn] / client / cmdlfem4x.c
index c5f57d55b72d3a1d8103ac6cbb4ef85cc0852232..232d56357cfa4ffd99e9f0a3f048d9696778bc74 100644 (file)
@@ -1,4 +1,4 @@
- //-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 #include <inttypes.h>
 #include "proxmark3.h"
 #include "ui.h"
+#include "util.h"
 #include "graph.h"
-#include "cmdmain.h"
 #include "cmdparser.h"
 #include "cmddata.h"
 #include "cmdlf.h"
 #include "cmdlfem4x.h"
-#include "util.h"
-#include "data.h"
-#define LF_TRACE_BUFF_SIZE 12000
-#define LF_BITSSTREAM_LEN 1000
-
 char *global_em410xId;
 
 static int CmdHelp(const char *Cmd);
 
+int CmdEMdemodASK(const char *Cmd)
+{
+       char cmdp = param_getchar(Cmd, 0);
+       int findone = (cmdp == '1') ? 1 : 0;    
+  UsbCommand c={CMD_EM410X_DEMOD};
+  c.arg[0]=findone;
+  SendCommand(&c);
+  return 0;
+}
+
 /* Read the ID of an EM410x tag.
  * Format:
  *   1111 1111 1           <-- standard non-repeatable header
@@ -40,8 +45,8 @@ int CmdEM410xRead(const char *Cmd)
 {
   int i, j, clock, header, rows, bit, hithigh, hitlow, first, bit2idx, high, low;
   int parity[4];
-  char id[11];
-  char id2[11];
+  char id[11] = {0x00};
+  char id2[11] = {0x00};
   int retested = 0;
   uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
   high = low = 0;
@@ -56,13 +61,13 @@ int CmdEM410xRead(const char *Cmd)
   }
 
   /* get clock */
-  clock = GetClock(Cmd, high, 0);
-   
+  clock = GetAskClock(Cmd, false, false);
+
   /* parity for our 4 columns */
   parity[0] = parity[1] = parity[2] = parity[3] = 0;
   header = rows = 0;
 
-  /* manchester demodulate */
+  // manchester demodulate
   bit = bit2idx = 0;
   for (i = 0; i < (int)(GraphTraceLen / clock); i++)
   {
@@ -73,9 +78,9 @@ int CmdEM410xRead(const char *Cmd)
     /* Find out if we hit both high and low peaks */
     for (j = 0; j < clock; j++)
     {
-      if (GraphBuffer[(i * clock) + j] == high)
+      if (GraphBuffer[(i * clock) + j] >= high)
         hithigh = 1;
-      else if (GraphBuffer[(i * clock) + j] == low)
+      else if (GraphBuffer[(i * clock) + j] <= low)
         hitlow = 1;
 
       /* it doesn't count if it's the first part of our read
@@ -98,7 +103,7 @@ int CmdEM410xRead(const char *Cmd)
 
 retest:
   /* We go till 5 before the graph ends because we'll get that far below */
-  for (i = 0; i < bit2idx - 5; i++)
+  for (i = 1; i < bit2idx - 5; i++)
   {
     /* Step 2: We have our header but need our tag ID */
     if (header == 9 && rows < 10)
@@ -127,7 +132,7 @@ retest:
         PrintAndLog("Thought we had a valid tag but failed at word %d (i=%d)", rows + 1, i);
 
         /* Start back rows * 5 + 9 header bits, -1 to not start at same place */
-        i -= 9 + (5 * rows) -5;
+        i -= 9 + (5 * rows) - 5;
 
         rows = header = 0;
       }
@@ -175,7 +180,8 @@ retest:
   }
 
   /* if we've already retested after flipping bits, return */
-  if (retested++){
+       if (retested++){
+               PrintAndLog("Failed to decode");
     return 0;
        }
 
@@ -195,7 +201,7 @@ retest:
  *   0                     <-- stop bit, end of tag
  */
 int CmdEM410xSim(const char *Cmd)
-{      
+{
        int i, n, j, binary[4], parity[4];
 
        char cmdp = param_getchar(Cmd, 0);
@@ -215,13 +221,13 @@ int CmdEM410xSim(const char *Cmd)
        
        PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X", uid[0],uid[1],uid[2],uid[3],uid[4]);
        PrintAndLog("Press pm3-button to about simulation");
-  
+
   /* clock is 64 in EM410x tags */
   int clock = 64;
 
   /* clear our graph */
   ClearGraph(0);
-  
+
     /* write 9 start bits */
     for (i = 0; i < 9; i++)
       AppendGraph(0, clock, 1);
@@ -257,7 +263,7 @@ int CmdEM410xSim(const char *Cmd)
     AppendGraph(0, clock, parity[2]);
     AppendGraph(0, clock, parity[3]);
 
-  /* stop bit */
+    /* stop bit */
   AppendGraph(1, clock, 0);
  
   CmdLFSim("240"); //240 start_gap.
@@ -276,17 +282,16 @@ int CmdEM410xSim(const char *Cmd)
 */
 int CmdEM410xWatch(const char *Cmd)
 {
-       int read_h = (*Cmd == 'h');
-       do
-       {
+       char cmdp = param_getchar(Cmd, 0);
+       int read_h = (cmdp == 'h');
+       do {
                if (ukbhit()) {
                        printf("\naborted via keyboard!\n");
                        break;
                }
                
                CmdLFRead(read_h ? "h" : "");
-               CmdSamples("6000");
-               
+               CmdSamples("6000");             
        } while (
                !CmdEM410xRead("") 
        );
@@ -516,79 +521,47 @@ int CmdEM410xWrite(const char *Cmd)
 int CmdReadWord(const char *Cmd)
 {
        int Word = -1; //default to invalid word
-       UsbCommand c;
+  UsbCommand c;
   
-       sscanf(Cmd, "%d", &Word);
+  sscanf(Cmd, "%d", &Word);
   
        if ( (Word > 15) | (Word < 0) ) {
-               PrintAndLog("Word must be between 0 and 15");
-               return 1;
-       }
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
   
-       PrintAndLog("Reading word %d", Word);
+  PrintAndLog("Reading word %d", Word);
   
-       c.cmd = CMD_EM4X_READ_WORD;
-       c.d.asBytes[0] = 0x0; //Normal mode
-       c.arg[0] = 0;
-       c.arg[1] = Word;
-       c.arg[2] = 0;
-       SendCommand(&c);
-       WaitForResponse(CMD_ACK, NULL);
-
-       uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
-
-       GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..
-       WaitForResponseTimeout(CMD_ACK,NULL, 1500);
-
-       for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
-               GraphBuffer[j] = ((int)data[j]);
-       }
-       GraphTraceLen = LF_TRACE_BUFF_SIZE;
-       
-       uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
-       uint8_t * bitstream = bits;
-       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream,LF_BITSSTREAM_LEN);
-       RepaintGraphWindow();
+  c.cmd = CMD_EM4X_READ_WORD;
+  c.d.asBytes[0] = 0x0; //Normal mode
+  c.arg[0] = 0;
+  c.arg[1] = Word;
+  c.arg[2] = 0;
+  SendCommand(&c);
   return 0;
 }
 
 int CmdReadWordPWD(const char *Cmd)
 {
        int Word = -1; //default to invalid word
-       int Password = 0xFFFFFFFF; //default to blank password
-       UsbCommand c;
-
-       sscanf(Cmd, "%d %x", &Word, &Password);
-
+  int Password = 0xFFFFFFFF; //default to blank password
+  UsbCommand c;
+  
+  sscanf(Cmd, "%d %x", &Word, &Password);
+  
        if ( (Word > 15) | (Word < 0) ) {
-               PrintAndLog("Word must be between 0 and 15");
-               return 1;
-       }
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
   
-       PrintAndLog("Reading word %d with password %08X", Word, Password);
-
-       c.cmd = CMD_EM4X_READ_WORD;
-       c.d.asBytes[0] = 0x1; //Password mode
-       c.arg[0] = 0;
-       c.arg[1] = Word;
-       c.arg[2] = Password;
-       SendCommand(&c);
-       WaitForResponse(CMD_ACK, NULL);
-               
-       uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
-
-       GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..
-       WaitForResponseTimeout(CMD_ACK,NULL, 1500);
-
-       for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
-               GraphBuffer[j] = ((int)data[j]);
-       }
-       GraphTraceLen = LF_TRACE_BUFF_SIZE;
-       
-       uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
-       uint8_t * bitstream = bits;     
-       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);
-       RepaintGraphWindow();
+  PrintAndLog("Reading word %d with password %08X", Word, Password);
+  
+  c.cmd = CMD_EM4X_READ_WORD;
+  c.d.asBytes[0] = 0x1; //Password mode
+  c.arg[0] = 0;
+  c.arg[1] = Word;
+  c.arg[2] = Password;
+  SendCommand(&c);
   return 0;
 }
 
@@ -644,280 +617,20 @@ int CmdWriteWordPWD(const char *Cmd)
 static command_t CommandTable[] =
 {
   {"help", CmdHelp, 1, "This help"},
-  
-  {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
-  {"410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
-  {"replay",  MWRem4xReplay, 0, "Watches for tag and simulates manchester encoded em4x tag"},
-  {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
-  {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
-  {"410xwrite", CmdEM410xWrite, 1, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
-  {"4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
-  {"rd", CmdReadWord, 1, "<Word 1-15> -- Read EM4xxx word data"},
-  {"rdpwd", CmdReadWordPWD, 1, "<Word 1-15> <Password> -- Read EM4xxx word data  in password mode "},
-  {"wr", CmdWriteWord, 1, "<Data> <Word 1-15> -- Write EM4xxx word data"},
-  {"wrpwd", CmdWriteWordPWD, 1, "<Data> <Word 1-15> <Password> -- Write EM4xxx word data in password mode"},
+  {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},  
+  {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
+  {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
+  {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
+  {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
+  {"em410xwrite", CmdEM410xWrite, 1, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
+  {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
+  {"readword", CmdReadWord, 1, "<Word> -- Read EM4xxx word data"},
+  {"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
+  {"writeword", CmdWriteWord, 1, "<Data> <Word> -- Write EM4xxx word data"},
+  {"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
   {NULL, NULL, 0, NULL}
 };
 
-
-//Confirms the parity of a bitstream as well as obtaining the data (TagID) from within the appropriate memory space.
-//Arguments:
-// Pointer to a string containing the desired bitsream
-// Pointer to a string that will receive the decoded tag ID
-// Length of the bitsream pointed at in the first argument, char* _strBitStream
-//Retuns:
-//1 Parity confirmed
-//0 Parity not confirmed
-int ConfirmEm410xTagParity( char* _strBitStream, char* pID, int LengthOfBitstream )
-{
-       int i = 0;
-       int rows = 0;
-       int Parity[4] = {0x00};
-       char ID[11] = {0x00};
-       int k = 0;
-       int BitStream[70] = {0x00};
-       int counter = 0;
-       //prepare variables
-       for ( i = 0; i <= LengthOfBitstream; i++)
-       {
-               if (_strBitStream[i] == '1')
-               {
-                       k =1;
-                       memcpy(&BitStream[i], &k,4);
-               }
-               else if (_strBitStream[i] == '0')
-               {
-                       k = 0;
-                       memcpy(&BitStream[i], &k,4);
-               }
-       }
-       while ( counter < 2 )
-       {
-               //set/reset variables and counters
-               memset(ID,0x00,sizeof(ID));
-               memset(Parity,0x00,sizeof(Parity));
-               rows = 0;
-               for ( i = 9; i <= LengthOfBitstream; i++)
-               {
-                       if ( rows < 10 )
-                       {
-                               if ((BitStream[i] ^ BitStream[i+1] ^ BitStream[i+2] ^ BitStream[i+3]) == BitStream[i+4])
-                               {
-                                       sprintf(ID+rows, "%x", (8 * BitStream[i]) + (4 * BitStream[i+1]) + (2 * BitStream[i+2]) + (1 * BitStream[i+3]));
-                                       rows++;
-                                       /* Keep parity info and move four bits ahead*/
-                                       Parity[0] ^= BitStream[i];
-                                       Parity[1] ^= BitStream[i+1];
-                                       Parity[2] ^= BitStream[i+2];
-                                       Parity[3] ^= BitStream[i+3];
-                                       i += 4;
-                               }
-                       }
-                       if ( rows == 10 )
-                       {
-                               if (    BitStream[i] == Parity[0] && BitStream[i+1] == Parity[1] &&
-                                       BitStream[i+2] == Parity[2] && BitStream[i+3] == Parity[3] &&
-                                       BitStream[i+4] == 0)
-                               {
-                                       memcpy(pID,ID,strlen(ID));
-                                       return 1;
-                               }
-                       }
-               }
-               printf("[PARITY ->]Failed. Flipping Bits, and rechecking parity for bitstream:\n[PARITY ->]");  
-               for (k = 0; k < LengthOfBitstream; k++)
-               {
-                       BitStream[k] ^= 1;
-                       printf("%i", BitStream[k]);
-               }
-               puts(" ");
-               counter++;
-       }
-       return 0;
-}
-//Reads and demodulates an em410x RFID tag. It further allows slight modification to the decoded bitstream
-//Once a suitable bitstream has been identified, and if needed, modified, it is replayed. Allowing emulation of the
-//"stolen" rfid tag.
-//No meaningful returns or arguments.
-int MWRem4xReplay(const char* Cmd)
-{
-       // //header traces
-       // static char ArrayTraceZero[] = { '0','0','0','0','0','0','0','0','0' };
-       // static char ArrayTraceOne[] =  { '1','1','1','1','1','1','1','1','1' };
-       // //local string variables
-       // char strClockRate[10] = {0x00};
-       // char strAnswer[4] = {0x00};
-       // char strTempBufferMini[2] = {0x00}; 
-       // //our outbound bit-stream
-       // char strSimulateBitStream[65] = {0x00};
-       // //integers
-       // int iClockRate = 0;
-       // int needle = 0;
-       // int j = 0;
-       // int iFirstHeaderOffset = 0x00000000;
-       // int numManchesterDemodBits=0;
-       // //boolean values
-       // bool bInverted = false;
-       // //pointers to strings. memory will be allocated.
-       // char* pstrInvertBitStream = 0x00000000;
-       // char* pTempBuffer = 0x00000000;
-       // char* pID = 0x00000000;
-       // char* strBitStreamBuffer = 0x00000000;
-               
-
-       // puts("###################################");
-       // puts("#### Em4x Replay                 ##");
-       // puts("#### R.A.M.           June 2013  ##");
-       // puts("###################################");
-       // //initialize
-       // CmdLFRead("");
-       // //Collect ourselves 10,000 samples
-       // CmdSamples("10000");
-       // puts("[->]preforming ASK demodulation\n");
-       // //demodulate ask
-       // Cmdaskdemod("0");
-       // iClockRate = DetectClock(0);
-       // sprintf(strClockRate, "%i\n",iClockRate);
-       // printf("[->]Detected ClockRate: %s\n", strClockRate);
-       
-       // //If detected clock rate is something completely unreasonable, dont go ahead
-       // if ( iClockRate < 0xFFFE )
-       // {  
-           // pTempBuffer = (char*)malloc(MAX_GRAPH_TRACE_LEN);
-           // if (pTempBuffer == 0x00000000)
-             // return 0;
-           // memset(pTempBuffer,0x00,MAX_GRAPH_TRACE_LEN);
-           // //Preform manchester de-modulation and display in a single line.
-           // numManchesterDemodBits = CmdManchesterDemod( strClockRate ); 
-           // //note: numManchesterDemodBits is set above in CmdManchesterDemod()
-           // if ( numManchesterDemodBits == 0 )
-             // return 0;
-           // strBitStreamBuffer = malloc(numManchesterDemodBits+1);
-           // if ( strBitStreamBuffer == 0x00000000 )
-               // return 0;
-           // memset(strBitStreamBuffer, 0x00, (numManchesterDemodBits+1));
-           // //fill strBitStreamBuffer with demodulated, string formatted bits.
-           // for ( j = 0; j <= numManchesterDemodBits; j++ )
-           // {
-               // sprintf(strTempBufferMini, "%i",BitStream[j]);
-               // strcat(strBitStreamBuffer,strTempBufferMini);
-           // }
-           // printf("[->]Demodulated Bitstream: \n%s\n", strBitStreamBuffer);
-           // //Reset counter and select most probable bit stream
-           // j = 0;
-               // while ( j < numManchesterDemodBits )
-               // {
-                   // memset(strSimulateBitStream,0x00,64);
-                   // //search for header of nine (9) 0's : 000000000 or nine (9) 1's : 1111 1111 1
-                       // if ( ( strncmp(strBitStreamBuffer+j, ArrayTraceZero, sizeof(ArrayTraceZero)) == 0 ) ||
-                           // ( strncmp(strBitStreamBuffer+j, ArrayTraceOne, sizeof(ArrayTraceOne)) == 0  ) )
-                       // {
-                               // iFirstHeaderOffset = j;
-                           // memcpy(strSimulateBitStream, strBitStreamBuffer+j,64);
-                           // printf("[->]Offset of Header");
-                               // if ( strncmp(strBitStreamBuffer+iFirstHeaderOffset, "0", 1) == 0 )
-                                       // printf("'%s'", ArrayTraceZero );
-                               // else
-                                       // printf("'%s'", ArrayTraceOne );
-                               // printf(": %i\nHighlighted string : %s\n",iFirstHeaderOffset,strSimulateBitStream);
-                           // //allow us to escape loop or choose another frame
-                           // puts("[<-]Are we happy with this sample? [Y]es/[N]o");
-                           // gets(strAnswer);
-                           // if ( ( strncmp(strAnswer,"y",1) == 0 )  || ( strncmp(strAnswer,"Y",1) == 0 ) )
-                           // {
-                                   // j = numManchesterDemodBits+1;
-                                   // break;
-                           // }
-                       // }
-                       // j++;
-               // }
-       // }
-       // else return 0;
-       
-       // //Do we want the buffer inverted?
-       // memset(strAnswer, 0x00, sizeof(strAnswer));
-       // printf("[<-]Do you wish to invert the highlighted bitstream? [Y]es/[N]o\n");
-       // gets(strAnswer);
-       // if ( ( strncmp("y", strAnswer,1) == 0 )  || ( strncmp("Y", strAnswer, 1 ) == 0 ) )
-       // {
-               // //allocate heap memory
-               // pstrInvertBitStream = (char*)malloc(numManchesterDemodBits);
-               // if ( pstrInvertBitStream != 0x00000000 )
-               // {
-                       // memset(pstrInvertBitStream,0x00,numManchesterDemodBits);
-                       // bInverted = true;
-                       // //Invert Bitstream
-                       // for ( needle = 0; needle <= numManchesterDemodBits; needle++ )
-                       // {
-                               // if (strSimulateBitStream[needle] == '0')
-                                       // strcat(pstrInvertBitStream,"1");
-                               // else if (strSimulateBitStream[needle] == '1')
-                                       // strcat(pstrInvertBitStream,"0");
-                       // }
-                       // printf("[->]Inverted bitstream: %s\n", pstrInvertBitStream);
-               // }
-       // }    
-    // //Confirm parity of selected string
-       // pID = (char*)malloc(11);
-       // if (pID != 0x00000000)
-       // {
-               // memset(pID, 0x00, 11);
-               // if (ConfirmEm410xTagParity(strSimulateBitStream,pID, 64) == 1)
-               // {
-                       // printf("[->]Parity confirmed for selected bitstream!\n");
-                       // printf("[->]Tag ID was detected as: [hex]:%s\n",pID );
-               // }
-               // else
-                       // printf("[->]Parity check failed for the selected bitstream!\n");     
-       // }
-       
-       // //Spoof
-       // memset(strAnswer, 0x00, sizeof(strAnswer));  
-       // printf("[<-]Do you wish to continue with the EM4x simulation? [Y]es/[N]o\n");
-       // gets(strAnswer);
-       // if ( ( strncmp(strAnswer,"y",1) == 0 )  || ( strncmp(strAnswer,"Y",1) == 0 ) )
-       // {
-               // strcat(pTempBuffer, strClockRate);
-               // strcat(pTempBuffer, " ");
-               // if (bInverted == true)
-                       // strcat(pTempBuffer,pstrInvertBitStream);
-               // if (bInverted == false)
-                       // strcat(pTempBuffer,strSimulateBitStream);
-               // //inform the user
-               // puts("[->]Starting simulation now: \n");
-               // //Simulate tag with prepared buffer.
-               // CmdLFSimManchester(pTempBuffer);
-       // }
-       // else if ( ( strcmp("n", strAnswer) == 0 )  || ( strcmp("N", strAnswer ) == 0 ) )
-               // printf("[->]Exiting procedure now...\n");
-       // else
-               // printf("[->]Erroneous selection\nExiting procedure now....\n");
-       
-       // //Clean up -- Exit function
-       // //clear memory, then release pointer.
-       // if ( pstrInvertBitStream != 0x00000000 )
-       // {
-           // memset(pstrInvertBitStream,0x00,numManchesterDemodBits);
-           // free(pstrInvertBitStream);
-       // }
-       // if ( pTempBuffer != 0x00000000 )
-       // {
-           // memset(pTempBuffer,0x00,MAX_GRAPH_TRACE_LEN);
-           // free(pTempBuffer);
-       // }
-       // if ( pID != 0x00000000 )
-       // {
-           // memset(pID,0x00,11);
-           // free(pID);
-       // }
-       // if ( strBitStreamBuffer != 0x00000000 )
-       // {
-           // memset(strBitStreamBuffer,0x00,numManchesterDemodBits);
-           // free(strBitStreamBuffer);
-       // }
-       return 0;
-}
-
 int CmdLFEM4X(const char *Cmd)
 {
   CmdsParse(CommandTable, Cmd);
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