Transfer gpio driver into c++

interfaces/gpio_interface.h

@@ -0,0 +1,21 @@
+#ifndef __INTERFACES_GPIO_INTERFACE_H__
+#define __INTERFACES_GPIO_INTERFACE_H__
+
+#include <cstdint>
+
+namespace interfaces {
+
+class GpioInterface
+{
+    public:
+        enum class direction {IN, OUT};
+
+        virtual void set_direction(direction) = 0;
+        virtual uint32_t get() = 0;
+        virtual void set() = 0;
+        virtual void clear() = 0;
+        virtual void toggle() = 0;
+};
+
+}
+#endif