adjust pskdemod

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 1222b3cec2f3e0e898359bf0e008fa9c5d4ef4f8..dddf3dee773f8d3e4cd34545615814c01dfc7076 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -510,11 +510,11 @@ int CmdLFSnoop(const char *Cmd)
 static void ChkBitstream(const char *str)
 {
   int i;
 static void ChkBitstream(const char *str)
 {
   int i;

-
+ 

   /* convert to bitstream if necessary */
        for (i = 0; i < (int)(GraphTraceLen / 2); i++){
                if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
   /* convert to bitstream if necessary */
        for (i = 0; i < (int)(GraphTraceLen / 2); i++){
                if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {

-      CmdBitstream(str);
+      CmdGetBitStream("");

       break;
     }
   }
       break;
     }
   }


@@ -522,29 +522,30 @@ static void ChkBitstream(const char *str)
 //appears to attempt to simulate manchester
 int CmdLFSim(const char *Cmd)
 {
 //appears to attempt to simulate manchester
 int CmdLFSim(const char *Cmd)
 {

-       int i,j;
+  int i,j;

   static int gap;
 
   sscanf(Cmd, "%i", &gap);
 
   /* convert to bitstream if necessary */
   static int gap;
 
   sscanf(Cmd, "%i", &gap);
 
   /* convert to bitstream if necessary */

+

   ChkBitstream(Cmd);
 
   //can send 512 bits at a time (1 byte sent per bit...)
   ChkBitstream(Cmd);
 
   //can send 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) {
+  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++) {
+    for (j = 0; j < USB_CMD_DATA_SIZE; j++) {

       c.d.asBytes[j] = GraphBuffer[i+j];
     }
     SendCommand(&c);
     WaitForResponse(CMD_ACK,NULL);
       c.d.asBytes[j] = GraphBuffer[i+j];
     }
     SendCommand(&c);
     WaitForResponse(CMD_ACK,NULL);

-               printf(".");
+    printf(".");

   }
 
   }
 

-       printf("\n");
-       PrintAndLog("Starting to simulate");
+  printf("\n");
+  PrintAndLog("Starting to simulate");

   UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
   SendCommand(&c);
   return 0;
   UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
   SendCommand(&c);
   return 0;


@@ -596,6 +597,7 @@ int usage_lf_simpsk(void)
   PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
   return 0;
 }
   PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
   return 0;
 }

+

 // by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
 // - allow pull data from DemodBuffer
 int CmdLFfskSim(const char *Cmd)
 // by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
 // - allow pull data from DemodBuffer
 int CmdLFfskSim(const char *Cmd)


@@ -683,11 +685,14 @@ int CmdLFfskSim(const char *Cmd)
   uint16_t arg1, arg2;
   arg1 = fcHigh << 8 | fcLow;
   arg2 = invert << 8 | clk;
   uint16_t arg1, arg2;
   arg1 = fcHigh << 8 | fcLow;
   arg2 = invert << 8 | clk;

-  UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, DemodBufferLen}};
-  if (DemodBufferLen > USB_CMD_DATA_SIZE) {
-    PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", DemodBufferLen, USB_CMD_DATA_SIZE);
-  }
-  memcpy(c.d.asBytes, DemodBuffer, DemodBufferLen);
+  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);

   SendCommand(&c);
   return 0;
 }
   SendCommand(&c);
   return 0;
 }


@@ -776,7 +781,6 @@ int CmdLFaskSim(const char *Cmd)
     size = USB_CMD_DATA_SIZE;
   }
   UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
     size = USB_CMD_DATA_SIZE;
   }
   UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};

-

   PrintAndLog("preparing to sim ask data: %d bits", size);
   memcpy(c.d.asBytes, DemodBuffer, size);
   SendCommand(&c);
   PrintAndLog("preparing to sim ask data: %d bits", size);
   memcpy(c.d.asBytes, DemodBuffer, size);
   SendCommand(&c);


@@ -878,13 +882,16 @@ int CmdLFpskSim(const char *Cmd)
   uint16_t arg1, arg2;
   arg1 = clk << 8 | carrier;
   arg2 = invert;
   uint16_t arg1, arg2;
   arg1 = clk << 8 | carrier;
   arg2 = invert;

-  UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, DemodBufferLen}};
-  if (DemodBufferLen > USB_CMD_DATA_SIZE) {
-    PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", DemodBufferLen, USB_CMD_DATA_SIZE);
+  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;

   }
   }

-  PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", DemodBufferLen);
-  memcpy(c.d.asBytes, DemodBuffer, DemodBufferLen);
+  UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
+  PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
+  memcpy(c.d.asBytes, DemodBuffer, size);

   SendCommand(&c);
   SendCommand(&c);

+  

   return 0;
 }
 
   return 0;
 }
 


@@ -899,6 +906,7 @@ int CmdLFSimBidir(const char *Cmd)
 }
 
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
 }
 
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */

+/*

 int CmdLFSimManchester(const char *Cmd)
 {
   static int clock, gap;
 int CmdLFSimManchester(const char *Cmd)
 {
   static int clock, gap;


@@ -919,7 +927,7 @@ int CmdLFSimManchester(const char *Cmd)
   CmdLFSim(gapstring);
   return 0;
 }
   CmdLFSim(gapstring);
   return 0;
 }

-
+*/

 
 int CmdVchDemod(const char *Cmd)
 {
 
 int CmdVchDemod(const char *Cmd)
 {


@@ -1072,7 +1080,9 @@ int CmdLFfind(const char *Cmd)
   if (testRaw=='u' || testRaw=='U'){
     //test unknown tag formats (raw mode)
     PrintAndLog("\nChecking for Unknown tags:\n");
   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);
+    ans=CmdDetectClockRate("F"); //GetFSKClock("",TRUE,FALSE);

     if (ans != 0){ //fsk
       ans=CmdFSKrawdemod("");
       if (ans>0) {
     if (ans != 0){ //fsk
       ans=CmdFSKrawdemod("");
       if (ans>0) {


@@ -1111,11 +1121,11 @@ static command_t CommandTable[] =
   {"read",        CmdLFRead,          0, "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) - 'u' to search for unknown tags"},
   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"read",        CmdLFRead,          0, "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) - '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>] [manchester/raw <'m'|'r'>] [trs separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
+  {"simask",      CmdLFaskSim,        0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},

   {"simfsk",      CmdLFfskSim,        0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
   {"simpsk",      CmdLFpskSim,        0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simfsk",      CmdLFfskSim,        0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
   {"simpsk",      CmdLFpskSim,        0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
   {"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"},
+  //{"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... }"},
   {"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... }"},