X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b6a4584a19e81c2e1f909355bbc64c2b8cea84f6..19ecd04f37f68c0674f1194aa8d8a4fc94d6168b:/LUFA/Drivers/USB/LowLevel/Pipe.h

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index 16b5ea670..127cea3ab 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -28,6 +28,16 @@
   this software.
 */
  
+/** \file
+ *  \brief USB host pipe management definitions.
+ *
+ *  This file contains structures, function prototypes and macros related to the management of the device's
+ *  data pipes when the library is initialized in USB host mode.
+ *
+ *  \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_PipeManagement Pipe Management
  *
@@ -91,6 +101,11 @@
 			extern "C" {
 		#endif
 
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+		
 	/* Public Interface - May be used in end-application: */
 		/* Macros: */
 			/** Mask for \ref Pipe_GetErrorFlags(), indicating that an overflow error occurred in the pipe on the received data. */