X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/cda2a4c0a5e9b9e2a373aeb822111237ff9ec710..2bdd68c370f880e34d52218d3580b0856ec81ad0:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 7eec667d..2307c8af 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -17,6 +17,7 @@
 #include "ui.h"
 #include "graph.h"
 #include "cmdparser.h"
+#include "util.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 
@@ -478,6 +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");
@@ -555,7 +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++)
@@ -812,8 +865,43 @@ int CmdThreshold(const char *Cmd)
     if (GraphBuffer[i] >= threshold)
       GraphBuffer[i] = 1;
     else
-      GraphBuffer[i] =- 1;
+      GraphBuffer[i] = -1;
+  }
+  RepaintGraphWindow();
+  return 0;
+}
+
+int CmdDirectionalThreshold(const char *Cmd)
+{
+	int8_t upThres = param_get8(Cmd, 0);
+	int8_t downThres = param_get8(Cmd, 1);
+  
+  printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres);
+  
+  int lastValue = GraphBuffer[0];
+  GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
+  
+  for (int i = 1; i < GraphTraceLen; ++i) {
+    // Apply first threshold to samples heading up
+    if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
+    {
+      lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
+      GraphBuffer[i] = 1;
+    }
+    // Apply second threshold to samples heading down
+    else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
+    {
+      lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
+      GraphBuffer[i] = -1;
+    }
+    else
+    {
+      lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
+      GraphBuffer[i] = GraphBuffer[i-1];
+
+    }
   }
+  GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample.
   RepaintGraphWindow();
   return 0;
 }
@@ -851,7 +939,7 @@ static command_t CommandTable[] =
 {
   {"help",          CmdHelp,            1, "This help"},
   {"amp",           CmdAmp,             1, "Amplify peaks"},
-  {"askdemod",      Cmdaskdemod,        1, "<0|1> -- Attempt to demodulate simple ASK tags"},
+  {"askdemod",      Cmdaskdemod,        1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
   {"autocorr",      CmdAutoCorr,        1, "<window length> -- Autocorrelation over window"},
   {"bitsamples",    CmdBitsamples,      0, "Get raw samples as bitstring"},
   {"bitstream",     CmdBitstream,       1, "[clock rate] -- Convert waveform into a bitstream"},
@@ -870,10 +958,12 @@ 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"},
   {"zerocrossings", CmdZerocrossings,   1, "Count time between zero-crossings"},
+  {"dirthreshold",  CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
   {NULL, NULL, 0, NULL}
 };