dir structure changed

src/system/pins.hpp

@@ -0,0 +1,19 @@
+#ifndef _PINS_HPP_
+#define _PINS_HPP_
+
+#include "syselmts.hpp"
+
+class Pin : public SystemElement
+{
+public:
+    Pin(std::string name);
+};
+
+class Pins : public SystemElementContainer<Pin>
+{
+public:
+    Pins(void);
+    Pins(std::vector<Pin> pins);
+};
+
+#endif // _PINS_HPP_