X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/557a945ba1851bc8d1669bd034464047f50b6691..32e735b2b2eefb74e0415a5826692f7ba8c0a984:/LUFA/Drivers/USB/LowLevel/LowLevel.h

diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.h b/LUFA/Drivers/USB/LowLevel/LowLevel.h
index 07be4396d..5c474df70 100644
--- a/LUFA/Drivers/USB/LowLevel/LowLevel.h
+++ b/LUFA/Drivers/USB/LowLevel/LowLevel.h
@@ -28,10 +28,12 @@
   this software.
 */
 
-/** \file
+/** \ingroup Group_USB
+ *  @defgroup Group_USBManagement USB Interface Management
  *
- *  Main low level USB driver. This module manages the low level initialization and shut down of the USB AVR's
- *  USB interface in either device or (if supported) host mode.
+ *  Functions, macros, variables, enums and types related to the setup and management of the USB interface.
+ *
+ *  @{
  */
 
 #ifndef __USBLOWLEVEL_H__
@@ -70,7 +72,6 @@
 	/* Preprocessor Checks and Defines: */
 		#if !defined(F_CLOCK)
 			#error F_CLOCK is not defined. You must device F_CLOCK to the frequency of the unprescaled input clock in your project makefile.
-			#define F_CLOCK 0
 		#endif
 	
 		#if (F_CLOCK == 8000000)
@@ -376,3 +377,5 @@
 		#endif
 			
 #endif
+
+/** @} */