X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b120c4e4cda5b5ed12a61697b5ab33d4dd0a70e8..64fe1cd0b2be01fd7b377736a85c1bd88a5fd429:/LUFA/Drivers/USB/LowLevel/Pipe.h

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index 8cf48cd0a..f415189c2 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -452,6 +452,19 @@
 				                   PIPE_ERRORFLAG_DATATGL)) |
 				        (UPSTAX & (PIPE_ERRORFLAG_OVERFLOW | PIPE_ERRORFLAG_UNDERFLOW)));
 			}
+			
+			/** Retrieves the number of busy banks in the currently selected pipe, which have been queued for
+			 *  transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the
+			 *  \ref Pipe_ClearIN() command.
+			 *
+			 *  \ingroup Group_PipePacketManagement
+			 *
+			 *  \return Total number of busy banks in the selected pipe.
+			 */
+			static inline uint8_t Pipe_GetBusyBanks(void)
+			{
+				return (UPSTAX & (0x03 << NBUSYBK0));
+			}
 
 			/** Determines if the currently selected pipe may be read from (if data is waiting in the pipe
 			 *  bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT
@@ -848,7 +861,8 @@
 			 *                             uses more USB DPRAM, but offers better performance. Isochronous type pipes <b>must</b>
 			 *                             have at least two banks.
 			 *
-			 *  \note Endpoints <b>must</b> be configured in ascending order, or bank corruption will occur.
+			 *  \note When the ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order,
+			 *        or bank corruption will occur.
 			 *        \n\n
 			 *
 			 *  \note Certain models of USB AVR's pipes may have different maximum packet sizes based on the pipe's