minor change

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 387e60d58865ac279a90083833ac9be46f053104..404708b6cd01339fcba0e02d3111e574b5b08092 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -269,7 +269,7 @@ int CmdIndalaDemod(const char *Cmd)
     PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
   }
 
-  // Checking UID against next occurences
+  // Checking UID against next occurrences
   for (; i + uidlen <= rawbit;) {
     int failed = 0;
     for (bit = 0; bit < uidlen; bit++) {
@@ -283,7 +283,7 @@ int CmdIndalaDemod(const char *Cmd)
     }
     times += 1;
   }
-  PrintAndLog("Occurences: %d (expected %d)", times, (rawbit - start) / uidlen);
+  PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
 
   // Remodulating for tag cloning
   GraphTraceLen = 32*uidlen;
@@ -450,6 +450,28 @@ int CmdLFSimManchester(const char *Cmd)
   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 == 0) {
+    // empty
+  } else 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("use 'snoop' or 'snoop {l,h} [trigger threshold]', or 'snoop <divisor> [trigger threshold]'");
+    return 0;
+  }
+  SendCommand(&c);
+  WaitForResponse(CMD_ACK,NULL);
+  return 0;
+}
+
 int CmdVchDemod(const char *Cmd)
 {
   // Is this the entire sync pattern, or does this also include some
@@ -533,13 +555,14 @@ static command_t CommandTable[] =
   {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
   {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
   {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
-  {"io",         CmdLFIO,            1, "{ ioProx tags... }"},
+  {"io",                 CmdLFIO,                1, "{ ioProx tags... }"},
   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
-  {"indalaclone", CmdIndalaClone,     1, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
+  {"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, "['h' or <divisor>] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134, alternatively: f=12MHz/(divisor+1))"},
   {"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)"},
   {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
   {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
   {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},