X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/96f39a47a98990dbe0ea35f15d9a764d188e1ead..9552d5919b1376568700c1b20ed1f5af8692e0c2:/client/cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 9d62b2a8..46927f74 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -575,12 +575,13 @@ int usage_lf_simfsk(void)
 int usage_lf_simask(void)
 {
   //print help
-  PrintAndLog("Usage: lf simask [c <clock>] [i] [m|r] [s] [d <raw hex to sim>]");
+  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("       m              sim ask/manchester");
+  PrintAndLog("       b              sim ask/biphase");
+  PrintAndLog("       m              sim ask/manchester - Default");
   PrintAndLog("       r              sim ask/raw");
   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");
@@ -708,7 +709,7 @@ int CmdLFaskSim(const char *Cmd)
 {
   //autodetect clock from Graphbuffer if using demod buffer
   //will need clock, invert, manchester/raw as m or r, separator as s, and bitstream
-  uint8_t manchester = 1, separator = 0;
+  uint8_t encoding = 1, separator = 0;
   //char cmdp = Cmd[0], par3='m', par4=0;
   uint8_t clk=0, invert=0;
   bool errors = FALSE;
@@ -730,12 +731,16 @@ int CmdLFaskSim(const char *Cmd)
       errors |= param_getdec(Cmd,cmdp+1,&clk);
       cmdp+=2;
       break;
+    case 'b':
+      encoding=2; //biphase
+      cmdp++;
+      break;
     case 'm':
-      manchester=1;
+      encoding=1;
       cmdp++;
       break;
     case 'r':
-      manchester=0;
+      encoding=0;
       cmdp++;
       break;
     case 's':
@@ -776,10 +781,10 @@ int CmdLFaskSim(const char *Cmd)
     setDemodBuf(data, dataLen, 0);
   }
   if (clk == 0) clk = 64;
-  if (manchester == 0) clk = clk/2; //askraw needs to double the clock speed
+  if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
   uint16_t arg1, arg2;
   size_t size=DemodBufferLen;
-  arg1 = clk << 8 | manchester;
+  arg1 = clk << 8 | encoding;
   arg2 = invert << 8 | separator;
   if (size > USB_CMD_DATA_SIZE) {
     PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
@@ -1016,7 +1021,7 @@ int CmdLFfind(const char *Cmd)
   int ans=0;
   char cmdp = param_getchar(Cmd, 0);
   char testRaw = param_getchar(Cmd, 1);
-  if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+  if (strlen(Cmd) > 3 || 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.");
@@ -1025,7 +1030,6 @@ int CmdLFfind(const char *Cmd)
     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;
   }
 
@@ -1037,29 +1041,36 @@ int CmdLFfind(const char *Cmd)
     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!");
@@ -1085,24 +1096,56 @@ int CmdLFfind(const char *Cmd)
   if (testRaw=='u' || testRaw=='U'){
     //test unknown tag formats (raw mode)
     PrintAndLog("\nChecking for Unknown tags:\n");
-    ans=CmdDetectClockRate("f");
+    ans=AutoCorrelate(4000, FALSE, FALSE);
+	
+    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); //CmdDetectClockRate("F"); //
     if (ans != 0){ //fsk
-      ans=CmdFSKrawdemod("");
+      ans=FSKrawDemod("",FALSE);
       if (ans>0) {
         PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+        printDemodBuff();
         return 1;
       }
     }
-    ans=Cmdaskmandemod("");
+    ans=ASKmanDemod("",FALSE,FALSE);
     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'");
+      printDemodBuff();
       return 1;
     }
     ans=CmdPSK1rawDemod("");
     if (ans>0) {
-      PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
+      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");
+      printDemodBuff();
       return 1;
     }
     PrintAndLog("\nNo Data Found!\n");