X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d6d20c543547d12eff81c5c3de254cf4b8650868..55eaed8f2ad26b9db249e2259c13444c38906795:/client/graph.c

diff --git a/client/graph.c b/client/graph.c
index e03d1a51..9079e073 100644
--- a/client/graph.c
+++ b/client/graph.c
@@ -32,7 +32,7 @@ void AppendGraph(int redraw, int clock, int bit)
 		RepaintGraphWindow();
 }
 
-/* clear out our graph window */
+// clear out our graph window
 int ClearGraph(int redraw)
 {
 	int gtl = GraphTraceLen;
@@ -44,103 +44,8 @@ int ClearGraph(int redraw)
 	return gtl;
 }
 
-/*
- * Detect clock rate
- */
- //decommissioned - has difficulty detecting rf/32
-/*
-int DetectClockOld(int peak)
-{
-	int i;
-	int clock = 0xFFFF;
-	int lastpeak = 0;
-
-	// Detect peak if we don't have one
-	if (!peak)
-		for (i = 0; i < GraphTraceLen; ++i)
-			if (GraphBuffer[i] > peak)
-				peak = GraphBuffer[i];
+// DETECT CLOCK NOW IN LFDEMOD.C
 
- // peak=(int)(peak*.75);
-	for (i = 1; i < GraphTraceLen; ++i)
-	{
-		// If this is the beginning of a peak
-		if (GraphBuffer[i - 1] != GraphBuffer[i] && GraphBuffer[i] >= peak)
-		{
-			// Find lowest difference between peaks
-			if (lastpeak && i - lastpeak < clock)
-				clock = i - lastpeak;
-			lastpeak = i;
-		}
-	}
-
-	return clock;
-}
-*/
-/*
-NOW IN LFDEMOD.C
-
-// by marshmellow
-// not perfect especially with lower clocks or VERY good antennas (heavy wave clipping)
-// maybe somehow adjust peak trimming value based on samples to fix?
-int DetectASKClock(int peak)
-{
-	int i=0;
-	int low=0;
-	int clk[]={16,32,40,50,64,100,128,256};
-	int loopCnt = 256;
-	if (GraphTraceLen<loopCnt) loopCnt = GraphTraceLen;
-	if (!peak){
-		for (i=0;i<loopCnt;++i){
-			if(GraphBuffer[i]>peak){
-				peak = GraphBuffer[i];
-			}
-			if(GraphBuffer[i]<low){
-				low = GraphBuffer[i];
-			}
-		}
-		peak=(int)(peak*.75);
-		low= (int)(low*.75);
-	}
-	int ii;
-	int clkCnt;
-	int tol = 0;
-	int bestErr=1000;
-	int errCnt[]={0,0,0,0,0,0,0,0};
-	for(clkCnt=0; clkCnt<6;++clkCnt){
-		if (clk[clkCnt]==32){
-			tol=1;
-		}else{
-			tol=0;
-		}
-		bestErr=1000;
-		for (ii=0; ii<loopCnt; ++ii){
-			if ((GraphBuffer[ii]>=peak) || (GraphBuffer[ii]<=low)){
-				 errCnt[clkCnt]=0;
-				for (i=0; i<((int)(GraphTraceLen/clk[clkCnt])-1); ++i){
-					if (GraphBuffer[ii+(i*clk[clkCnt])]>=peak || GraphBuffer[ii+(i*clk[clkCnt])]<=low){
-					}else if(GraphBuffer[ii+(i*clk[clkCnt])-tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])-tol]<=low){
-					}else if(GraphBuffer[ii+(i*clk[clkCnt])+tol]>=peak || GraphBuffer[ii+(i*clk[clkCnt])+tol]<=low){
-					}else{  //error no peak detected
-						errCnt[clkCnt]++;
-					}
-				}
-				if(errCnt[clkCnt]==0) return clk[clkCnt];
-				if(errCnt[clkCnt]<bestErr) bestErr=errCnt[clkCnt];
-			}
-		}
-	}
-	int iii=0;
-	int best=0;
-	for (iii=0; iii<6;++iii){
-		if (errCnt[iii]<errCnt[best]){
-			best = iii;
-		}
-	}
-	// PrintAndLog("DEBUG: clkCnt: %d, ii: %d, i: %d peak: %d, low: %d, errcnt: %d, errCnt64: %d",clkCnt,ii,i,peak,low,errCnt[best],errCnt[4]);
-	return clk[best];
-}
-*/
 void setGraphBuf(uint8_t *buff, size_t size)
 {
 	int i=0;
@@ -162,7 +67,7 @@ size_t getFromGraphBuf(uint8_t *buff)
 	}
 	return i;
 }
-/* Get or auto-detect clock rate */
+// Get or auto-detect clock rate
 int GetClock(const char *str, int peak, int verbose)
 {
 	int clock;
@@ -170,13 +75,13 @@ int GetClock(const char *str, int peak, int verbose)
 	if (!strcmp(str, ""))
 		clock = 0;
 
-	/* Auto-detect clock */
+	// Auto-detect clock
 	if (!clock)
 	{
 		uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
 		size_t size = getFromGraphBuf(grph);
 		clock = DetectASKClock(grph,size,0);
-		/* Only print this message if we're not looping something */
+		// Only print this message if we're not looping something
 		if (!verbose){
 			PrintAndLog("Auto-detected clock rate: %d", clock);
 		}