X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/42f57e0294c13f14f8ebcdcc529b5872c2884786..2bdd68c370f880e34d52218d3580b0856ec81ad0:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index fa54d01a..2307c8af 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -479,6 +479,58 @@ int CmdSamples(const char *Cmd)
   return 0;
 }
 
+int CmdTuneSamples(const char *Cmd)
+{
+	int timeout = 0;
+	printf("\nMeasuring antenna characteristics, please wait...");
+
+	UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+	SendCommand(&c);
+
+	UsbCommand resp;
+	while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
+		timeout++;
+		printf(".");
+		if (timeout > 7) {
+			PrintAndLog("\nNo response from Proxmark. Aborting...");
+			return 1;
+		}
+	}
+
+	int peakv, peakf;
+	int vLf125, vLf134, vHf;
+	vLf125 = resp.arg[0] & 0xffff;
+	vLf134 = resp.arg[0] >> 16;
+	vHf = resp.arg[1] & 0xffff;;
+	peakf = resp.arg[2] & 0xffff;
+	peakv = resp.arg[2] >> 16;
+	PrintAndLog("");
+	PrintAndLog("# LF antenna: %5.2f V @   125.00 kHz", vLf125/1000.0);
+	PrintAndLog("# LF antenna: %5.2f V @   134.00 kHz", vLf134/1000.0);
+	PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
+	PrintAndLog("# HF antenna: %5.2f V @    13.56 MHz", vHf/1000.0);
+	if (peakv<2000)
+		PrintAndLog("# Your LF antenna is unusable.");
+	else if (peakv<10000)
+		PrintAndLog("# Your LF antenna is marginal.");
+	if (vHf<2000)
+		PrintAndLog("# Your HF antenna is unusable.");
+	else if (vHf<5000)
+		PrintAndLog("# Your HF antenna is marginal.");
+
+	for (int i = 0; i < 256; i++) {
+		GraphBuffer[i] = resp.d.asBytes[i] - 128;
+	}
+  
+	PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n");
+	PrintAndLog("\n");
+	GraphTraceLen = 256;
+	ShowGraphWindow();
+
+	return 0;
+}
+
+
 int CmdLoad(const char *Cmd)
 {
   FILE *f = fopen(Cmd, "r");
@@ -556,7 +608,7 @@ int CmdManchesterDemod(const char *Cmd)
 
   /* But it does not work if compiling on WIndows: therefore we just allocate a */
   /* large array */
-  uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
+  uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
 
   /* Detect high and lows */
   for (i = 0; i < GraphTraceLen; i++)
@@ -906,6 +958,7 @@ static command_t CommandTable[] =
   {"norm",          CmdNorm,            1, "Normalize max/min to +/-500"},
   {"plot",          CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
   {"samples",       CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window"},
+  {"tune",          CmdTuneSamples,     0, "Get hw tune samples for graph window"},
   {"save",          CmdSave,            1, "<filename> -- Save trace (from graph window)"},
   {"scale",         CmdScale,           1, "<int> -- Set cursor display scale"},
   {"threshold",     CmdThreshold,       1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},