CHG: `lf em` - some minor refactoring in 4x50 commands

[proxmark3-svn] / client / graph.c

diff --git a/client/graph.c b/client/graph.c
index c22b7a3d9d44ef22db1d69c465639e8ed673bab8..17aa3ae49fff071d2bca76c0a53d7c8a53729d82 100644 (file)
--- a/client/graph.c
+++ b/client/graph.c
@@ -268,3 +268,16 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
        }
        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;
+}