renamed the test "robot" struct
diff --git a/bbb_cape/src/cape/data_struct.h b/bbb_cape/src/cape/data_struct.h
index 7cce3be..68491eb 100644
--- a/bbb_cape/src/cape/data_struct.h
+++ b/bbb_cape/src/cape/data_struct.h
@@ -50,7 +50,7 @@
       uint16_t analogs[8];
 
       uint32_t digitals;
-    } main;
+    } test;
     
     struct {
     } bot3;