made the usb reading code higher priority
diff --git a/aos/atom_code/init.h b/aos/atom_code/init.h
index ffb7afc..b35a3b8 100644
--- a/aos/atom_code/init.h
+++ b/aos/atom_code/init.h
@@ -6,7 +6,9 @@
// Does the non-realtime parts of the initialization process.
void InitNRT();
// Initializes everything, including the realtime stuff.
-void Init();
+// relative_priority adjusts the priority of this process relative to all of the
+// other ones (positive for higher priority).
+void Init(int relative_priority = 0);
// Same as InitNRT, except will remove an existing shared memory file and create
// a new one.
void InitCreate();