X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/044a375b953c2ee834e457e9bf17853b2047681f..6982ac2612c12af9fa65437bf4279007d734cc59:/client/command.c

diff --git a/client/command.c b/client/command.c
index a2c567e6..0d954258 100644
--- a/client/command.c
+++ b/client/command.c
@@ -577,7 +577,6 @@ retest:
 static void CmdEM410xsim(char *str)
 {
 	int i, n, j, h, binary[4], parity[4];
-	char *s = "0";
 
 	/* clock is 64 in EM410x tags */
 	int clock = 64;
@@ -628,12 +627,40 @@ static void CmdEM410xsim(char *str)
 	}
 
 	/* modulate that biatch */
-	Cmdmanchestermod(s);
+	Cmdmanchestermod("");
 
 	/* booyah! */
 	RepaintGraphWindow();
+	
+	CmdLosim("");
+}
+
+/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
+static void CmdLosimManchester(char *str)
+{
+	static int clock, gap;
+	static char data[1024], gapstring[8];
+	int i;
+
+	/* get settings/bits */
+	sscanf(str, "%i %s %i", &clock, &data[0], &gap);
+
+	/* clear our graph */
+	CmdClearGraph(0);
+
+	/* fill it with our bitstream */
+	for (i= 0; i < strlen(data) ; ++i)
+		CmdAppendGraph(0, clock, data[i]- '0');
 
-	CmdLosim(s);
+	/* modulate */
+	Cmdmanchestermod("");
+
+	/* show what we've done */
+	RepaintGraphWindow();
+
+	/* simulate */
+	sprintf(&gapstring[0], "%i", gap);
+	CmdLosim(gapstring);
 }
 
 static void ChkBitstream(char *str)
@@ -654,10 +681,14 @@ static void ChkBitstream(char *str)
 static void CmdLosim(char *str)
 {
 	int i;
+	static int gap;
+
+	sscanf(str,"%i",&gap);
 
 	/* convert to bitstream if necessary */
 	ChkBitstream(str);
 
+	PrintToScrollback("Sending data, please wait...");
 	for (i = 0; i < GraphTraceLen; i += 48) {
 		UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
 		int j;
@@ -665,9 +696,11 @@ static void CmdLosim(char *str)
 			c.d.asBytes[j] = GraphBuffer[i+j];
 		}
 		SendCommand(&c);
+		wait_for_response(CMD_ACK);
 	}
 
-	UsbCommand c={CMD_SIMULATE_TAG_125K, {GraphTraceLen, 0, 0}};
+	PrintToScrollback("Starting simulator...");
+	UsbCommand c={CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
 	SendCommand(&c);
 }
 
@@ -2881,7 +2914,8 @@ static struct {
 	{"hi15sim",			CmdHi15tag,			0, "Fake an ISO15693 tag"},
 	{"hidsimtag",		CmdHIDsimTAG,		0, "<ID> -- HID tag simulator"},
 	{"hisimlisten",		CmdHisimlisten,		0, "Get HF samples as fake tag"},
-	{"losim",			CmdLosim,			0, "Simulate LF tag"},
+	{"losim",			CmdLosim,			0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
+	{"losimman",			CmdLosimManchester,			0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
 	{"losimbidir",		CmdLosimBidir,		0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
 
 /* card reading functions */
@@ -2923,7 +2957,7 @@ static struct {
 void CommandReceived(char *cmd)
 {
 	int i;
-	char line[256];
+	char line[512];
 
 	PrintToScrollback("> %s", cmd);
 
@@ -3032,14 +3066,19 @@ void UsbCommandReceived(UsbCommand *c)
 	/* Maybe it's a response: */
 	switch(current_command) {
 		case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
-		if (c->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) goto unexpected_response;
-		int i;
-		for(i=0; i<48; i++) sample_buf[i] = c->d.asBytes[i];
-		received_command = c->cmd;
-		return;
-	default:
-	unexpected_response:
-		PrintToScrollback("unrecognized command %08x\n", c->cmd);
-		break;
+			if (c->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) goto unexpected_response;
+			int i;
+			for(i=0; i<48; i++) sample_buf[i] = c->d.asBytes[i];
+			received_command = c->cmd;
+			return;
+		case CMD_DOWNLOADED_SIM_SAMPLES_125K:
+			if (c->cmd != CMD_ACK) goto unexpected_response;
+			// got ACK
+			received_command = c->cmd;
+			return;
+		default:
+		unexpected_response:
+			PrintToScrollback("unrecognized command %08x\n", c->cmd);
+			break;
 	}
 }