sim buffer max settings tests

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 1c53c20492e8c8e05c4fec640235c34b0477fae6..79d6787bdee601a4abf49d5accb49288ffaa4460 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -522,7 +522,7 @@ static void ChkBitstream(const char *str)
 //appears to attempt to simulate manchester
 int CmdLFSim(const char *Cmd)
 {
-       int i,j;
+  int i,j;
   static int gap;
 
   sscanf(Cmd, "%i", &gap);
@@ -532,20 +532,20 @@ int CmdLFSim(const char *Cmd)
   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}};
 
-               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);
-               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;
@@ -597,6 +597,7 @@ int usage_lf_simpsk(void)
   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)
@@ -684,11 +685,14 @@ int CmdLFfskSim(const char *Cmd)
   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;
 }
@@ -777,7 +781,6 @@ int CmdLFaskSim(const char *Cmd)
     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);
@@ -879,13 +882,14 @@ int CmdLFpskSim(const char *Cmd)
   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);
   
   return 0;