--- /dev/null
+#ifndef GRAPH_H__
+#define GRAPH_H__
+
+void AppendGraph(int redraw, int clock, int bit);
+int ClearGraph(int redraw);
+int DetectClock(int peak);
+int GetClock(const char *str, int peak, int verbose);
+
+#define MAX_GRAPH_TRACE_LEN (1024*128)
+extern int GraphBuffer[MAX_GRAPH_TRACE_LEN];
+extern int GraphTraceLen;
+
+#endif