+int GetNRZpskClock(const char *str, int peak, int verbose);
+void setGraphBuf(uint8_t *buff, size_t size);
+
+bool HasGraphData();
+void DetectHighLowInGraph(int *high, int *low, bool addFuzz);
+
+// Max graph trace len: 40000 (bigbuf) * 8 (at 1 bit per sample)
+#define MAX_GRAPH_TRACE_LEN (40000 * 8 )