chg: trying to generalize the EMV build.

[proxmark3-svn] / client / graph.c

diff --git a/client/graph.c b/client/graph.c
index 062798482821c0873df2db766e39e8413f22dd84..17aa3ae49fff071d2bca76c0a53d7c8a53729d82 100644 (file)
--- a/client/graph.c
+++ b/client/graph.c
@@ -143,7 +143,11 @@ 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;
        }

-       int start = 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, Best Starting Position: %d", clock, start);
        // Only print this message if we're not looping something
        if (printAns){
                PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);


@@ -264,3 +268,16 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
        }
        return 1;
 }
        }
        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;
+}