X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/02d352fea75385d80b49a7ab8703692ae307f073..ed55e9aec4739dcc8d477a2363abd0fb2d5d7241:/client/graph.c

diff --git a/client/graph.c b/client/graph.c
index f4acc579..17aa3ae4 100644
--- a/client/graph.c
+++ b/client/graph.c
@@ -17,7 +17,6 @@
 
 int GraphBuffer[MAX_GRAPH_TRACE_LEN];
 int GraphTraceLen;
-
 /* write a manchester bit to the graph */
 void AppendGraph(int redraw, int clock, int bit)
 {
@@ -46,6 +45,24 @@ int ClearGraph(int redraw)
 
   return gtl;
 }
+// option '1' to save GraphBuffer any other to restore
+void save_restoreGB(uint8_t saveOpt)
+{
+	static int SavedGB[MAX_GRAPH_TRACE_LEN];
+	static int SavedGBlen;
+	static bool GB_Saved = false;
+
+	if (saveOpt==1) { //save
+		memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer));
+		SavedGBlen = GraphTraceLen;
+		GB_Saved=true;
+	} else if (GB_Saved){ //restore
+		memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer));
+		GraphTraceLen = SavedGBlen;
+		RepaintGraphWindow();
+	}
+	return;
+}
 
 // DETECT CLOCK NOW IN LFDEMOD.C
 
@@ -126,10 +143,14 @@ int GetAskClock(const char str[], bool printAns, bool verbose)
 			PrintAndLog("Failed to copy from graphbuffer");
 		return -1;
 	}
-	DetectASKClock(grph, size, &clock, 20);
+	bool st = DetectST(grph, &size, &clock);
+	int start = 0;
+	if (st == false) {
+		start = DetectASKClock(grph, size, &clock, 20);
+	}
 	// Only print this message if we're not looping something
 	if (printAns){
-		PrintAndLog("Auto-detected clock rate: %d", clock);
+		PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
 	}
 	return clock;
 }
@@ -247,3 +268,16 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
 	}
 	return 1;
 }
+
+// test samples are not just noise
+bool graphJustNoise(int *BitStream, int size)
+{
+	//might not be high enough for noisy environments
+	#define THRESHOLD 15; 
+
+	bool isNoise = TRUE;
+	for(int i=0; i < size && isNoise; i++){
+		isNoise = BitStream[i] < THRESHOLD;
+	}
+	return isNoise;
+}