X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d4ca7fb44c7d326b96cf391f0275dc323dbe24de..e322f14620a1064efc4b3a98cf701efc48da81cc:/LUFA/Drivers/USB/LowLevel/Pipe.h

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index e49545636..3e25d4976 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2009.
+     Copyright (C) Dean Camera, 2010.
               
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
 
 /*
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this 
   software and its documentation for any purpose is hereby granted
@@ -91,6 +91,11 @@
 			extern "C" {
 		#endif
 
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/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. */
@@ -175,6 +180,11 @@
 			 */
 			#define PIPE_EPNUM_MASK                 0x0F
 
+			/** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's
+			 *  direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.
+			 */
+			#define PIPE_EPDIR_MASK                 0x80
+
 		/* Pseudo-Function Macros: */
 			#if defined(__DOXYGEN__)
 				/** Indicates the number of bytes currently stored in the current pipes's selected bank.
@@ -805,9 +815,10 @@
 			/** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given
 			 *  endpoint is found, it is automatically selected.
 			 *
-			 *  \param[in] EndpointAddress Address of the endpoint within the attached device to check
+			 *  \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check
 			 *
-			 *  \return Boolean true if a pipe bound to the given endpoint address is found, false otherwise
+			 *  \return Boolean true if a pipe bound to the given endpoint address of the specified direction is found, false
+			 *          otherwise
 			 */
 			bool Pipe_IsEndpointBound(const uint8_t EndpointAddress);