Fixed PDI/TPI programming speed of ~250KHz in the AVRISP-MKII Clone project, instead...

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

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h
index 54a2d8d..ea2e8cc 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.h
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h
@@ -146,6 +146,8 @@
 
        /* Public Interface - May be used in end-application: */
                /* Macros: */
+                       /** \name Endpoint Direction Masks */
+                       //@{
                        /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
                         *  should be initialized in the OUT direction - i.e. data flows from host to device.
                         */
@@ -155,7 +157,10 @@
                         *  should be initialized in the IN direction - i.e. data flows from device to host.
                         */
                        #define ENDPOINT_DIR_IN                         (1 << EPDIR)
-
+                       //@}
+                       
+                       /** \name Endpoint Bank Mode Masks */
+                       //@{
                        /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
                         *  that the endpoint should have one single bank, which requires less USB FIFO memory but results
                         *  in slower transfers as only one USB device (the AVR or the host) can access the endpoint's
@@ -169,7 +174,8 @@
                         *  accesses the second bank.
                         */
                        #define ENDPOINT_BANK_DOUBLE                    (1 << EPBK0)
-
+                       //@}
+                       
                        /** Endpoint address for the default control endpoint, which always resides in address 0. This is
                         *  defined for convenience to give more readable code when used with the endpoint macros.
                         */
@@ -394,6 +400,35 @@
                                return ((UECONX & (1 << EPEN)) ? true : false);
                        }
 
+                       /** Aborts all pending IN transactions on the currently selected endpoint, once the bank
+                        *  has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function
+                        *  will terminate all queued transactions, resetting the endpoint banks ready for a new
+                        *  packet.
+                        *
+                        *  \ingroup Group_EndpointPacketManagement
+                        */
+                       static inline void Endpoint_AbortPendingIN(void)
+                       {
+                               while (UESTA0X & (0x03 << NBUSYBK0))
+                               {
+                                       UEINTX |= (1 << RXOUTI);
+                                       while (UEINTX & (1 << RXOUTI));
+                               }
+                       }
+                       
+                       /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for
+                        *  transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the
+                        *  \ref Endpoint_ClearOUT() command.
+                        *
+                        *  \ingroup Group_EndpointPacketManagement
+                        *
+                        *  \return Total number of busy banks in the selected endpoint.
+                        */
+                       static inline uint8_t Endpoint_GetBusyBanks(void)
+                       {
+                               return (UESTA0X & (0x03 << NBUSYBK0));
+                       }
+
                        /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint
                         *  bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN
                         *  direction). This function will return false if an error has occurred in the endpoint, if the endpoint