初步概要设计完成

src/controller.c

@@ -0,0 +1,4 @@
+//
+// Created by ricardo on 2022/5/6.
+//
+#include "controller.h"

src/io.c

@@ -0,0 +1,4 @@
+//
+// Created by ricardo on 2022/5/6.
+//
+#include "io.h"

src/query.c

@@ -0,0 +1,8 @@
+//
+// Created by ricardo on 2022/5/6.
+//
+#include "query.h"
+
+up_bus_t* up_queries;
+down_bus_t *down_queries;
+

src/rail.c

@@ -1 +1,3 @@
-#include "rail.h"
+#include "rail.h"
+
+rail_node_t *rails;