X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a126332a7b3c85274a9988f8a6994fba930b5f52..4750877f2d952d8517459b7cbfb30cbea5dac934:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index aaff0302..270b00e6 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -58,11 +58,12 @@ int CmdSetDebugMode(const char *Cmd)
 }
 
 int usage_data_printdemodbuf(){
-	PrintAndLog("Usage: data printdemodbuffer x o <offset>");
+		PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>");
 	PrintAndLog("Options:");
 	PrintAndLog("       h          This help");
 	PrintAndLog("       x          output in hex (omit for binary output)");
 	PrintAndLog("       o <offset> enter offset in # of bits");
+		PrintAndLog("       l <length> enter length to print in # of bits or hex characters respectively");
 	return 0;	
 }
 
@@ -87,7 +88,8 @@ int CmdPrintDemodBuff(const char *Cmd)
 	char hex[512]={0x00};
 	bool hexMode = false;
 	bool errors = false;
-	uint8_t offset = 0;
+	uint32_t offset = 0; //could be size_t but no param_get16...
+	uint32_t length = 512;
 	char cmdp = 0;
 	while(param_getchar(Cmd, cmdp) != 0x00)
 	{
@@ -103,10 +105,16 @@ int CmdPrintDemodBuff(const char *Cmd)
 			break;
 		case 'o':
 		case 'O':
-			offset = param_get8(Cmd, cmdp+1);
+			offset = param_get32ex(Cmd, cmdp+1, 0, 10);
 			if (!offset) errors = true;
 			cmdp += 2;
 			break;
+		case 'l':
+		case 'L':
+			length = param_get32ex(Cmd, cmdp+1, 512, 10);
+			if (!length) errors = true;
+			cmdp += 2;
+			break;
 		default:
 			PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 			errors = true;
@@ -116,11 +124,12 @@ int CmdPrintDemodBuff(const char *Cmd)
 	}
 	//Validations
 	if(errors) return usage_data_printdemodbuf();
-
-	int numBits = (DemodBufferLen-offset) & 0x7FC; //make sure we don't exceed our string
+	length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length; 
+	int numBits = (length) & 0x00FFC; //make sure we don't exceed our string
 
 	if (hexMode){
 		char *buf = (char *) (DemodBuffer + offset);
+		numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits;
 		numBits = binarraytohex(hex, buf, numBits);
 		if (numBits==0) return 0;
 		PrintAndLog("DemodBuffer: %s",hex);		
@@ -313,7 +322,7 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
 	char amp = param_getchar(Cmd, 0);
 	uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
 	sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &amp);
-	if (!maxLen) maxLen = 512*64;
+	if (!maxLen) maxLen = BIGBUF_SIZE;
 	if (invert != 0 && invert != 1) {
 		PrintAndLog("Invalid argument: %s", Cmd);
 		return 0;
@@ -818,19 +827,20 @@ int CmdUndec(const char *Cmd)
 		return 0;
 	}
 
-	uint8_t factor = param_get8ex(Cmd, 0,2, 10);
+	uint8_t factor = param_get8ex(Cmd, 0, 2, 10);
 	//We have memory, don't we?
 	int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
 	uint32_t g_index = 0 ,s_index = 0;
-	while(g_index < GraphTraceLen && s_index < MAX_GRAPH_TRACE_LEN)
+	while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN)
 	{
 		int count = 0;
-		for(count = 0; count < factor && s_index+count < MAX_GRAPH_TRACE_LEN; count ++)
+		for (count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++)
 			swap[s_index+count] = GraphBuffer[g_index];
-		s_index+=count;
+		s_index += count;
+		g_index++;
 	}
 
-	memcpy(GraphBuffer,swap, s_index * sizeof(int));
+	memcpy(GraphBuffer, swap, s_index * sizeof(int));
 	GraphTraceLen = s_index;
 	RepaintGraphWindow();
 	return 0;
@@ -934,15 +944,14 @@ char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert)
 int FSKrawDemod(const char *Cmd, bool verbose)
 {
 	//raw fsk demod  no manchester decoding no start bit finding just get binary from wave
-	//set defaults
-	int rfLen = 0;
-	int invert = 0;
-	int fchigh = 0;
-	int fclow = 0;
+	uint8_t rfLen, invert, fchigh, fclow;
 
+	//set defaults
 	//set options from parameters entered with the command
-	sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
-
+	rfLen = param_get8(Cmd, 0);
+	invert = param_get8(Cmd, 1);
+	fchigh = param_get8(Cmd, 2);
+	fclow = param_get8(Cmd, 3);
 	if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
 		 if (rfLen==1){
 			invert = 1;   //if invert option only is used
@@ -954,35 +963,35 @@ int FSKrawDemod(const char *Cmd, bool verbose)
 	size_t BitLen = getFromGraphBuf(BitStream);
 	if (BitLen==0) return 0;
 	//get field clock lengths
-	uint16_t fcs=0;
-	if (fchigh==0 || fclow == 0){
-		fcs = countFC(BitStream, BitLen, 1);
-		if (fcs==0){
-			fchigh=10;
-			fclow=8;
-		}else{
-			fchigh = (fcs >> 8) & 0xFF;
-			fclow = fcs & 0xFF;
+	uint8_t fc1=0, fc2=0, rf1=0;
+	if (!fchigh || !fclow) {
+		uint8_t ans = fskClocks(&fc1, &fc2, &rf1, false);
+		if (ans == 0) {
+			if (g_debugMode) PrintAndLog("\nError: cannot detect valid fsk field clocks");			
+			return 0; // can't detect field clock
 		}
+		fchigh = fc1;
+		fclow = fc2;
+		if (rfLen == 0) rfLen = rf1;
 	}
 	//get bit clock length
-	if (rfLen==0){
+	if (!rfLen){
 		rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
-		if (rfLen == 0) rfLen = 50;
+		if (!rfLen) rfLen = 50;
 	}
-	int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
-	if (size>0){
-		setDemodBuf(BitStream,size,0);
+	int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow);
+	if (size > 0){
+		setDemodBuf(BitStream, size, 0);
 
 		// Now output the bitstream to the scrollback by line of 16 bits
 		if (verbose || g_debugMode) {
-			PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen, invert, fchigh, fclow);
-			PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
+			PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow);
+			PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert));
 			printDemodBuff();
 		}
 
 		return 1;
-	} else{
+	} else {
 		if (g_debugMode) PrintAndLog("no FSK data found");
 	}
 	return 0;
@@ -1987,7 +1996,11 @@ int getSamples(const char *Cmd, bool silent)
 	GetFromBigBuf(got,n,0);
 	PrintAndLog("Data fetched");
 	UsbCommand response;
-	WaitForResponse(CMD_ACK, &response);
+	if ( !WaitForResponseTimeout(CMD_ACK, &response, 10000) ) {
+        PrintAndLog("timeout while waiting for reply.");
+		return 1;
+    }
+	
 	uint8_t bits_per_sample = 8;
 
 	//Old devices without this feature would send 0 at arg[0]
@@ -2030,9 +2043,9 @@ int CmdTuneSamples(const char *Cmd)
 	int timeout = 0;
 	printf("\nMeasuring antenna characteristics, please wait...");
 
-	UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+	UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {0,0,0}};
+	clearCommandBuffer();
 	SendCommand(&c);
-
 	UsbCommand resp;
 	while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
 		timeout++;
@@ -2080,7 +2093,6 @@ int CmdTuneSamples(const char *Cmd)
 		ShowGraphWindow();
 		RepaintGraphWindow();
 	}
-
 	return 0;
 }
 
@@ -2096,7 +2108,7 @@ int CmdLoad(const char *Cmd)
 	
 	FILE *f = fopen(filename, "r");
 	if (!f) {
-		 PrintAndLog("couldn't open '%s'", filename);
+		PrintAndLog("couldn't open '%s'", filename);
 		return 0;
 	}
 
@@ -2115,11 +2127,13 @@ int CmdLoad(const char *Cmd)
 int CmdLtrim(const char *Cmd)
 {
 	int ds = atoi(Cmd);
-	if (GraphTraceLen<=0) return 0;
+
+	if (GraphTraceLen <= 0) return 0;
+
 	for (int i = ds; i < GraphTraceLen; ++i)
 		GraphBuffer[i-ds] = GraphBuffer[i];
-	GraphTraceLen -= ds;
 
+	GraphTraceLen -= ds;
 	RepaintGraphWindow();
 	return 0;
 }
@@ -2128,9 +2142,7 @@ int CmdLtrim(const char *Cmd)
 int CmdRtrim(const char *Cmd)
 {
 	int ds = atoi(Cmd);
-
 	GraphTraceLen = ds;
-
 	RepaintGraphWindow();
 	return 0;
 }
@@ -2314,21 +2326,15 @@ int Cmdbin2hex(const char *Cmd)
 }
 
 int usage_data_hex2bin(){
-
-	PrintAndLog("Usage: data bin2hex <binary_digits>");
+	PrintAndLog("Usage: data hex2bin <hex_digits>");
 	PrintAndLog("       This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
 	return 0;
-
 }
 
 int Cmdhex2bin(const char *Cmd)
 {
 	int bg =0, en =0;
-	if(param_getptr(Cmd, &bg, &en, 0))
-	{
-		return usage_data_hex2bin();
-	}
-
+	if(param_getptr(Cmd, &bg, &en, 0))  return usage_data_hex2bin();
 
 	while(bg <= en )
 	{
@@ -2389,7 +2395,7 @@ static command_t CommandTable[] =
 	{"manrawdecode",    Cmdmandecoderaw,    1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
 	{"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
 	{"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
-	{"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> -- print the data in the DemodBuffer - 'x' for hex output"},
+	{"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
 	{"pskindalademod",  CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
 	{"psknexwatchdemod",CmdPSKNexWatch,     1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
 	{"rawdemod",        CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},