+#define DECLARE_VOID_CHANNEL(tag) \
+ tag, \
+ "", \
+ "", \
+ "", \
+ "", \
+ "", \
+ "", \
+
+#define DECLARE_CHANNEL(tag, spacer, name) \
+ name, \
+ "in_"tag spacer name"_en", \
+ "in_"tag spacer name"_type", \
+ "in_"tag spacer name"_index", \
+ "in_"tag spacer name"_raw", \
+ "in_"tag spacer name"_input", \
+ "in_"tag spacer name"_scale", \
+ 0, {{0}},
+
+#define DECLARE_NAMED_CHANNEL(tag, name) DECLARE_CHANNEL(tag, "_", name)
+
+#define DECLARE_GENERIC_CHANNEL(tag) DECLARE_CHANNEL(tag, "", "")
+
+#define DECLARE_EVENT(tag, spacer1, name, spacer2, type, spacer3, dir) \
+ type, dir, \
+ "in_"tag spacer1 name spacer2 type spacer3 dir"_en", \
+ "in_"tag spacer1 name spacer2 type spacer3 dir"_value", \
+
+#define DECLARE_GENERIC_EVENT(tag, name, type, dir) \
+ DECLARE_EVENT(tag, "_", name, "_", type, "_", dir)
+#define DECLARE_NAMED_EVENT(tag, name) \
+ DECLARE_EVENT(tag, "_", name, "","","","")