* USB interface in either device or (if supported) host mode.\r
*/\r
\r
+/** \ingroup Group_USB\r
+ * @defgroup Group_USBManagement USB Interface Management\r
+ *\r
+ * Functions, macros, variables, enums and types related to the setup and management of the USB interface.\r
+ *\r
+ * @{\r
+ */\r
+\r
#ifndef __USBLOWLEVEL_H__\r
#define __USBLOWLEVEL_H__\r
\r
/* Preprocessor Checks and Defines: */\r
#if !defined(F_CLOCK)\r
#error F_CLOCK is not defined. You must device F_CLOCK to the frequency of the unprescaled input clock in your project makefile.\r
- #define F_CLOCK 0\r
#endif\r
\r
#if (F_CLOCK == 8000000)\r
#endif\r
\r
#endif\r
+\r
+/** @} */\r