As discussed, renamed Cookie to CookieIF.

Also added documentation on the purpose of this class

devicehandlers/Cookie.h

@@ -1,10 +0,0 @@
-#ifndef COOKIE_H_
-#define COOKIE_H_
-
-class Cookie{
-public:
-	virtual ~Cookie(){}
-};
-
-
-#endif /* COOKIE_H_ */

devicehandlers/CookieIF.h

@@ -0,0 +1,34 @@
+#ifndef COOKIE_H_
+#define COOKIE_H_
+#include <framework/devicehandlers/CookieIF.h>
+#include <stdint.h>
+
+/**
+ * @brief Physical address type
+ */
+typedef uint32_t address_t;
+
+/**
+ * @brief 	This datatype is used to identify different connection over a
+ * 			single interface (like RMAP or I2C)
+ * @details
+ * To use this class, implement a communication specific child cookie which
+ * inherits Cookie. Cookie instances are created in config/Factory.cpp by
+ * calling @code{.cpp} CookieIF* childCookie = new ChildCookie(...)
+ * @endcode .
+ *
+ * This cookie is then passed to the child device handlers, which stores the
+ * pointer and passes it to the communication interface functions.
+ *
+ * The cookie can be used to store all kinds of information
+ * about the communication, like slave addresses, communication status,
+ * communication parameters etc.
+ *
+ * @ingroup comm
+ */
+class CookieIF {
+public:
+	virtual ~CookieIF() {};
+};
+
+#endif /* COOKIE_H_ */