lf cleaning++

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index e2e2ca6dd30d763a279cbf1746651300fd640762..d838abd12d812b166688a04eed04eabed762602c 100644 (file)
--- 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"},