X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7f9f97c792dee6875fbca9806422bdd7d6c5a657..9cad677ebbd2fc4ea069f98335f8467b16dbb2cb:/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h

diff --git a/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
index c502330d6..228669e33 100644
--- a/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
+++ b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
@@ -27,6 +27,16 @@
   arising out of or in connection with the use or performance of
   this software.
 */
+
+/** \file
+ *  \brief USB endpoint/pipe stream callback management.
+ *
+ *  This file contains definitions for the creation of optional callback routines which can be passed to the
+ *  endpoint and/or pipe stream APIs, to abort the transfer currently in progress when a condition is met.
+ *
+ *  \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_StreamCallbacks Endpoint and Pipe Stream Callbacks
@@ -41,6 +51,11 @@
 #ifndef __STREAMCALLBACK_H__
 #define __STREAMCALLBACK_H__
 
+	/* 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: */
 			/** Used with the Endpoint and Pipe stream functions as the callback function parameter, indicating that the stream