int GraphBuffer[MAX_GRAPH_TRACE_LEN];
int GraphTraceLen;
-
/* write a manchester bit to the graph */
void AppendGraph(int redraw, int clock, int bit)
{
return gtl;
}
+// option '1' to save GraphBuffer any other to restore
+void save_restoreGB(uint8_t saveOpt)
+{
+ static int SavedGB[MAX_GRAPH_TRACE_LEN];
+ static int SavedGBlen;
+ static bool GB_Saved = false;
+
+ if (saveOpt==1) { //save
+ memcpy(SavedGB, GraphBuffer, sizeof(GraphBuffer));
+ SavedGBlen = GraphTraceLen;
+ GB_Saved=true;
+ } else if (GB_Saved){ //restore
+ memcpy(GraphBuffer, SavedGB, sizeof(GraphBuffer));
+ GraphTraceLen = SavedGBlen;
+ RepaintGraphWindow();
+ }
+ return;
+}
// DETECT CLOCK NOW IN LFDEMOD.C
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){
- PrintAndLog("Auto-detected clock rate: %d", clock);
+ PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
}
return clock;
}
}
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;
+}