diff --git a/include/sta/raspi/hal.hpp b/include/sta/raspi/hal.hpp
new file mode 100644
index 0000000..900715e
--- /dev/null
+++ b/include/sta/raspi/hal.hpp
@@ -0,0 +1,13 @@
+#ifndef STA_CORE_RASPI_HAL_HPP
+#define STA_CORE_RASPI_HAL_HPP
+
+namespace sta {
+
+B
+A
+A
+D
+D
+}
+
+#endif //STA_CORE_RASPI_HAL_HPP