X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2ae8a312e058f71d0f02be4f2f9cc6f284ebbf34..3bc3598e880b68870cfcc55fbdda443d77395809:/client/cmdlft55xx.c?ds=sidebyside

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 9eaa6463..6ea9d2d3 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -46,18 +46,17 @@ int CmdReadBlk(const char *Cmd)
 	SendCommand(&c);
 	WaitForResponse(CMD_ACK, NULL);
 	
-//	uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
+	uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
 	
-	// GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..
-	// WaitForResponseTimeout(CMD_ACK,NULL, 1500);
-
-	// for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
-		// GraphBuffer[j] = (int)data[j];
-	// }
-	// GraphTraceLen = LF_TRACE_BUFF_SIZE;
-	CmdSamples("12000");
+	GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..
+	WaitForResponseTimeout(CMD_ACK,NULL, 1500);
+
+	for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
+		GraphBuffer[j] = (int)data[j];
+	}
+	GraphTraceLen = LF_TRACE_BUFF_SIZE;
 	ManchesterDemod(block);
-	// RepaintGraphWindow();
+	RepaintGraphWindow();
   return 0;
 }
 
@@ -321,7 +320,7 @@ int CmdDump(const char *Cmd){
 			return 0;
 		}
 	}
-
+	
 	for ( int i = 0; i <8; ++i){
 		memset(s,0,sizeof(s));
 		if ( hasPwd ) {
@@ -352,6 +351,7 @@ int ManchesterDemod(int blockNum){
 	if (!HasGraphData()) return 0;
 		
 	uint8_t sizebyte = 32;
+	// the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.
 	uint8_t offset = 5;
 	uint32_t blockData;
 	uint8_t  bits[LF_BITSSTREAM_LEN] = {0x00};
@@ -468,6 +468,9 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
 	
 	int i = start;
 	int j = len-1;
+	if (len > 32) {
+		return 0;
+	}
  	uint32_t tmp = 0;
 	for (; j >= 0; --j, ++i){
 		tmp	|= bits[i] << j;
@@ -482,8 +485,8 @@ static command_t CommandTable[] =
   {"rdpwd",  CmdReadBlkPWD,  0, "<block> <password> -- Read T55xx block data with password mode"},
   {"wr",     CmdWriteBlk,    0, "<data> <block> -- Write T55xx block data (page 0)"},
   {"wrpwd",  CmdWriteBlkPWD, 0, "<data> <block> <password> -- Write T55xx block data with password"},
-  {"trace",  CmdReadTrace,   0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "},
-  {"info",   CmdInfo,        0, "[1] Read T55xx configuration data (page0 /blk 0)"},
+  {"trace",  CmdReadTrace,   0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},
+  {"info",   CmdInfo,        0, "[1] Read T55xx configuration data (page 0/ blk 0)"},
   {"dump",   CmdDump,        0, "[password] Dump T55xx card block 0-7. optional with password"},
   {"fsk",    CmdIceFsk,      0, "FSK demod"},
   {"man",    CmdIceManchester,      0, "Manchester demod (with SST)"},