X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2767fc02919545bd65082b4682b2331def9a5ad5..49bbc60af37da26b73c71f4ff774841fc2290b72:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index e2e2ca6d..d838abd1 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -350,10 +350,11 @@ int Cmdmandecoderaw(const char *Cmd)
 	size_t size=0;
 	size_t maxErr = 20;
 	char cmdp = param_getchar(Cmd, 0);
-	if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
-		PrintAndLog("Usage:  data manrawdecode");
+	if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') {
+		PrintAndLog("Usage:  data manrawdecode [maxErr]");
 		PrintAndLog("     Takes 10 and 01 and converts to 0 and 1 respectively");
 		PrintAndLog("     --must have binary sequence in demodbuffer (run data askrawdemod first)");
+		PrintAndLog("  [maxErr]  set number of errors allowed (default = 20)");		
 		PrintAndLog("");
 		PrintAndLog("    sample: data manrawdecode   = decode manchester bitstream from the demodbuffer");
 		return 0;
@@ -366,10 +367,12 @@ int Cmdmandecoderaw(const char *Cmd)
 		else if(DemodBuffer[i]<low) low=DemodBuffer[i];
 		BitStream[i]=DemodBuffer[i];
 	}
-	if (high>1 || low <0 ){
+	if (high>7 || low <0 ){
 		PrintAndLog("Error: please raw demod the wave first then manchester raw decode");
 		return 0;
 	}
+
+	sscanf(Cmd, "%i", &maxErr);
 	size=i;
 	errCnt=manrawdecode(BitStream, &size);
 	if (errCnt>=maxErr){
@@ -847,23 +850,14 @@ int CmdAskEdgeDetect(const char *Cmd)
 	int thresLen = 25;
 	sscanf(Cmd, "%i", &thresLen); 
 	int shift = 127;
-	int shiftedVal=0;
+
 	for(int i = 1; i<GraphTraceLen; i++){
 		if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up
-			shift=127;
+			GraphBuffer[i-1] = 127;
 		else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down
-			shift=-127;
-
-		shiftedVal=GraphBuffer[i]+shift;
-
-		if (shiftedVal>127) 
-			shiftedVal=127;
-		else if (shiftedVal<-127) 
-			shiftedVal=-127;
-		GraphBuffer[i-1] = shiftedVal;
+			GraphBuffer[i-1] = -127;
 	}
 	RepaintGraphWindow();
-	//CmdNorm("");
 	return 0;
 }
 
@@ -2017,7 +2011,7 @@ int CmdLoad(const char *Cmd)
 int CmdLtrim(const char *Cmd)
 {
 	int ds = atoi(Cmd);
-
+	if (GraphTraceLen<=0) return 0;
 	for (int i = ds; i < GraphTraceLen; ++i)
 		GraphBuffer[i-ds] = GraphBuffer[i];
 	GraphTraceLen -= ds;
@@ -2168,11 +2162,11 @@ int CmdZerocrossings(const char *Cmd)
 static command_t CommandTable[] =
 {
 	{"help",            CmdHelp,            1, "This help"},
-	{"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
+	{"askedgedetect",   CmdAskEdgeDetect,   1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
 	{"askem410xdemod",  CmdAskEM410xDemod,  1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
 	{"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"},
 	{"autocorr",        CmdAutoCorr,        1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
-	{"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
+	{"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
 	{"bitsamples",      CmdBitsamples,      0, "Get raw samples as bitstring"},
 	{"buffclear",       CmdBuffClear,       1, "Clear sample buffer and graph window"},
 	{"dec",             CmdDec,             1, "Decimate samples"},
@@ -2191,7 +2185,7 @@ static command_t CommandTable[] =
 	{"load",            CmdLoad,            1, "<filename> -- Load trace (to graph window"},
 	{"ltrim",           CmdLtrim,           1, "<samples> -- Trim samples from left of trace"},
 	{"rtrim",           CmdRtrim,           1, "<location to end trace> -- Trim samples from right of trace"},
-	{"manrawdecode",    Cmdmandecoderaw,    1, "Manchester decode binary stream in DemodBuffer"},
+	{"manrawdecode",    Cmdmandecoderaw,    1, "[maxErr] -- Manchester decode binary stream in DemodBuffer"},
 	{"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
 	{"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
 	{"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] -- print the data in the DemodBuffer - 'x' for hex output"},