ADD: `data detectclock` - added clock blocks in plot window. Its a draft. Not working...

[proxmark3-svn] / client / graph.c

diff --git a/client/graph.c b/client/graph.c
index 089119d9482fb163490962ab7489142b308f3161..f5e942a94bddf50520c603650322c90c47757740 100644 (file)
--- a/client/graph.c
+++ b/client/graph.c
@@ -56,9 +56,10 @@ void save_restoreGB(uint8_t saveOpt)
                memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer));
                SavedGBlen = GraphTraceLen;
                GB_Saved=true;
                memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer));
                SavedGBlen = GraphTraceLen;
                GB_Saved=true;

-       } else if (GB_Saved){
+       } else if (GB_Saved){ //restore

                memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer));
                GraphTraceLen = SavedGBlen;
                memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer));
                GraphTraceLen = SavedGBlen;

+               RepaintGraphWindow();

        }
        return;
 }
        }
        return;
 }


@@ -142,31 +143,35 @@ int GetAskClock(const char str[], bool printAns, bool verbose)
                        PrintAndLog("Failed to copy from graphbuffer");
                return -1;
        }
                        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){
        // 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);

        }
        }

+       PlotClock = clock;
+       PlockClockStartIndex = start;

        return clock;
 }
 
 uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose)
 {
        return clock;
 }
 
 uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose)
 {

-       uint8_t carrier=0;
-       uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
+       uint8_t carrier = 0;
+       uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};

        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {
                if (verbose) 
                        PrintAndLog("Failed to copy from graphbuffer");
                return 0;
        }
        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {
                if (verbose) 
                        PrintAndLog("Failed to copy from graphbuffer");
                return 0;
        }

-       //uint8_t countPSK_FC(uint8_t *BitStream, size_t size)
-
-       carrier = countFC(grph,size,0);
+       carrier = countFC(grph, size, 0);

        // Only print this message if we're not looping something
        // Only print this message if we're not looping something

-       if (printAns){
+       if (printAns)

                PrintAndLog("Auto-detected PSK carrier rate: %d", carrier);
                PrintAndLog("Auto-detected PSK carrier rate: %d", carrier);

-       }
+

        return carrier;
 }
 
        return carrier;
 }
 


@@ -177,21 +182,20 @@ int GetPskClock(const char str[], bool printAns, bool verbose)
        if (!strcmp(str, "")) 
                clock = 0;
 
        if (!strcmp(str, "")) 
                clock = 0;
 

-       if (clock!=0) 
-               return clock;
+       if (clock != 0) return clock;

        // Auto-detect clock
        // Auto-detect clock

-       uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
+       uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};

        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {
        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {

-               if (verbose) 
-                       PrintAndLog("Failed to copy from graphbuffer");
+               if (verbose) PrintAndLog("Failed to copy from graphbuffer");

                return -1;
        }
                return -1;
        }

-       clock = DetectPSKClock(grph,size,0);
+       clock = DetectPSKClock(grph, size, 0);

        // Only print this message if we're not looping something
        // Only print this message if we're not looping something

-       if (printAns){
-               PrintAndLog("Auto-detected clock rate: %d", clock);
-       }
+       if (printAns) PrintAndLog("Auto-detected clock rate: %d", clock);
+
+       PlotClock = clock;
+//     PlockClockStartIndex = start;

        return clock;
 }
 
        return clock;
 }
 


@@ -202,10 +206,10 @@ uint8_t GetNrzClock(const char str[], bool printAns, bool verbose)
        if (!strcmp(str, ""))
                clock = 0;
 
        if (!strcmp(str, ""))
                clock = 0;
 

-       if (clock!=0) 
+       if (clock != 0) 

                return clock;
        // Auto-detect clock
                return clock;
        // Auto-detect clock

-       uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
+       uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};

        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {
                if (verbose) 
        size_t size = getFromGraphBuf(grph);
        if ( size == 0 ) {
                if (verbose) 


@@ -214,9 +218,11 @@ uint8_t GetNrzClock(const char str[], bool printAns, bool verbose)
        }
        clock = DetectNRZClock(grph, size, 0);
        // Only print this message if we're not looping something
        }
        clock = DetectNRZClock(grph, size, 0);
        // Only print this message if we're not looping something

-       if (printAns){
+       if (printAns)

                PrintAndLog("Auto-detected clock rate: %d", clock);
                PrintAndLog("Auto-detected clock rate: %d", clock);

-       }
+
+       PlotClock = clock;
+       //PlockClockStartIndex = start; 

        return clock;
 }
 //by marshmellow
        return clock;
 }
 //by marshmellow


@@ -241,25 +247,40 @@ uint8_t GetFskClock(const char str[], bool printAns, bool verbose)
                PrintAndLog("DEBUG: unknown fsk field clock detected");
                PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
        }
                PrintAndLog("DEBUG: unknown fsk field clock detected");
                PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
        }

+       //PlotClock = clock;
+       //PlockClockStartIndex = start; 

        return 0;
 }
 uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
 {
        return 0;
 }
 uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
 {

-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
+       uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};

        size_t size = getFromGraphBuf(BitStream);
        size_t size = getFromGraphBuf(BitStream);

-       if (size==0) return 0;
+       if (size == 0) return 0;

        uint16_t ans = countFC(BitStream, size, 1); 
        uint16_t ans = countFC(BitStream, size, 1); 

-       if (ans==0) {
-               if (verbose) PrintAndLog("DEBUG: No data found");
+       if (ans == 0) {
+               if (verbose || g_debugMode) PrintAndLog("DEBUG: No data found");

                return 0;
        }
        *fc1 = (ans >> 8) & 0xFF;
        *fc2 = ans & 0xFF;
 
        *rf1 = detectFSKClk(BitStream, size, *fc1, *fc2);
                return 0;
        }
        *fc1 = (ans >> 8) & 0xFF;
        *fc2 = ans & 0xFF;
 
        *rf1 = detectFSKClk(BitStream, size, *fc1, *fc2);

-       if (*rf1==0) {
-               if (verbose) PrintAndLog("DEBUG: Clock detect error");
+       if (*rf1 == 0) {
+               if (verbose || g_debugMode) PrintAndLog("DEBUG: Clock detect error");

                return 0;
        }
        return 1;
 }
                return 0;
        }
        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;
+}