X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b0ce1eab668ac2e4779bbf8c3e6ef193d0ab0368..a2e6d54336144f7fa3cc1d77f887cc9e20631771:/LUFA/Drivers/USB/LowLevel/LowLevel.h

diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.h b/LUFA/Drivers/USB/LowLevel/LowLevel.h
index dc01d24e5..04b2c460c 100644
--- a/LUFA/Drivers/USB/LowLevel/LowLevel.h
+++ b/LUFA/Drivers/USB/LowLevel/LowLevel.h
@@ -28,6 +28,16 @@
   this software.
 */
 
+/** \file
+ *  \brief USB low level USB controller definitions.
+ *
+ *  This file contains structures, function prototypes and macros related to the low level configutation of the
+ *  USB controller, to start, stop and reset the USB library core.
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+ 
 /** \ingroup Group_USB
  *  @defgroup Group_USBManagement USB Interface Management
  *
@@ -70,6 +80,10 @@
 		#endif
 
 	/* Preprocessor Checks and Defines: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
 		#if !defined(F_CLOCK)
 			#error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled input clock in your project makefile.
 		#endif