ADD: a minor modification to "HF 14A READ" to enable the correct identification...

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 0fab2adfa562fa75db73d507086f422c066e9510..30c8bb229fa98b6ffe86f73cac00bfcce24b58f3 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -492,7 +492,12 @@ int CmdLFRead(const char *Cmd)
        //And ship it to device
        UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
        SendCommand(&c);
-       WaitForResponse(CMD_ACK,NULL);
+       //WaitForResponse(CMD_ACK,NULL);        
+       if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
+               PrintAndLog("command execution time out");
+               return 1;
+       }
+
        return 0;
 }
 
@@ -1028,7 +1033,6 @@ 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;
   }
 
@@ -1046,6 +1050,7 @@ int CmdLFfind(const char *Cmd)
   PrintAndLog("\nChecking for known tags:\n");
 
   ans=CmdFSKdemodIO("");
+  
   if (ans>0) {
     PrintAndLog("\nValid IO Prox ID Found!");
     return 1;
@@ -1099,7 +1104,33 @@ int CmdLFfind(const char *Cmd)
     //test unknown tag formats (raw mode)
     PrintAndLog("\nChecking for Unknown tags:\n");
     ans=AutoCorrelate(4000, FALSE, FALSE);
-    if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
+       
+    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=FSKrawDemod("",FALSE);
@@ -1132,12 +1163,18 @@ int CmdLFfind(const char *Cmd)
 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... }"},
+  {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
+  {"hitag",       CmdLFHitag,         1, "{ HITAG RFIDs... }"},
+  {"io",                 CmdLFIO,                1, "{ IOPROX RFIDs... }"},
+  {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 RFIDs... }"},
+  {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
+  {"t55xx",       CmdLFT55XX,         1, "{ T55X7 RFIDs... }"},
+
   {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
+ 
+  {"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"},
-  {"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)"},
   {"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"},
@@ -1149,11 +1186,7 @@ static command_t CommandTable[] =
   {"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)"},
-  {"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}
 };