Implemented on-demand PLL clock generation for the U4, U6 and U7 series USB AVRs...

[pub/USBasp.git] / LUFA / Common / Attributes.h

diff --git a/LUFA/Common/Attributes.h b/LUFA/Common/Attributes.h
index 62ce9f2..53cfb6d 100644 (file)
--- a/LUFA/Common/Attributes.h
+++ b/LUFA/Common/Attributes.h
@@ -134,7 +134,9 @@
                         */
                        #define ATTR_ALIAS(Func)               __attribute__ ((alias( #Func )))
                        
-                       /** Marks a variable or struct element for packing into the smallest space available. */
+                       /** Marks a variable or struct element for packing into the smallest space available, omitting any
+                        *  alignment bytes usually added between fields to optimize field accesses.
+                        */
                        #define ATTR_PACKED                     __attribute__ ((packed))
 
                        /** Indicates the minimum alignment in bytes for a variable or struct element.