Rename RingBuffer header functions and typedefs from RingBuff_* to RingBuffer_* so...

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Pipe.h

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index 8cf48cd..f415189 100644 (file)
--- 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