Add support for the ORDERED_EP_CONFIG compile time token on the UC3 architecture.

LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c

@@ -45,6 +45,7 @@ volatile uint8_t* USB_EndpointFIFOPos[ENDPOINT_TOTAL_ENDPOINTS];
 bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
                                     const uint32_t UECFG0Data)
 {
+#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG)
 	Endpoint_SelectEndpoint(Number);
 	Endpoint_EnableEndpoint();
 
@@ -53,6 +54,38 @@ bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
 	USB_EndpointFIFOPos[Number]  = &AVR32_USBB_SLAVE[Number * 0x10000];
 
 	return Endpoint_IsConfigured();
+#else
+	for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		uint8_t UECFG0Temp;
+
+		Endpoint_SelectEndpoint(EPNum);
+		
+		if (EPNum == Number)
+		{
+			UECFG0Temp = UECFG0Data;
+		}
+		else
+		{
+			UECFG0Temp = (&AVR32_USBB.uecfg0)[EPNum];
+		}
+
+		if (!(UECFG0Temp & AVR32_USBB_ALLOC_MASK))
+		  continue;
+
+		Endpoint_DisableEndpoint();
+		(&AVR32_USBB.uecfg0)[EPNum] &= ~AVR32_USBB_ALLOC_MASK;
+
+		Endpoint_EnableEndpoint();
+		(&AVR32_USBB.uecfg0)[EPNum] = UECFG0Temp;
+			
+		if (!(Endpoint_IsConfigured()))
+		  return false;			
+	}
+	
+	Endpoint_SelectEndpoint(Number);
+	return true;
+#endif
 }
 
 void Endpoint_ClearEndpoints(void)

LUFA/Drivers/USB/Core/UC3/Pipe_UC3.c

@@ -47,6 +47,7 @@ bool Pipe_ConfigurePipe(const uint8_t Number,
                         const uint16_t Size,
                         const uint8_t Banks)
 {
+#if defined(ORDERED_EP_CONFIG)
 	Pipe_SelectPipe(Number);
 	Pipe_EnablePipe();
 
@@ -61,6 +62,44 @@ bool Pipe_ConfigurePipe(const uint8_t Number,
 	Pipe_SetInfiniteINRequests();
 
 	return Pipe_IsConfigured();
+#else
+	for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)
+	{
+		uint8_t UPCFG0Temp;
+
+		Pipe_SelectPipe(PNum);
+		
+		if (PNum == Number)
+		{
+			UPCFG0Temp = (AVR32_USBB_ALLOC_MASK |
+			              ((uint32_t)Type  << AVR32_USBB_PTYPE_OFFSET)  |
+			              ((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
+			              ((uint32_t)Banks << AVR32_USBB_PBK_OFFSET)    |
+			              ((EndpointNumber & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET));
+		}
+		else
+		{
+			UPCFG0Temp = (&AVR32_USBB.upcfg0)[PNum]
+		}
+
+		if (!(UPCFG0Temp & AVR32_USBB_ALLOC_MASK))
+		  continue;
+		  
+		Pipe_DisablePipe();
+		(&AVR32_USBB.upcfg0)[PNum] &= ~AVR32_USBB_ALLOC_MASK;
+
+		Pipe_EnablePipe();
+		(&AVR32_USBB.upcfg0)[PNum] = UPCFG0Temp;
+
+		Pipe_SetInfiniteINRequests();
+	
+		if (!(Pipe_IsConfigured()))
+		  return false;		
+	}
+		
+	Pipe_SelectPipe(Number);	
+	return true;
+#endif
 }
 
 void Pipe_ClearPipes(void)

LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h

@@ -283,7 +283,24 @@
 			                                              const uint8_t Banks)
 			{
 				Endpoint_SelectEndpoint(Number | Direction);
-				Endpoint_SelectedEndpointHandle->CTRL = (Type | Banks | Endpoint_BytesToEPSizeMask(Size));
+
+				uint8_t EPTypeMask = 0;
+				switch (Type)
+				{
+					case USB_EPTYPE_Control:
+						EPTypeMask = USB_EP_TYPE_CONTROL_gc;
+						break;
+					case USB_EPTYPE_Isochronous:
+						EPTypeMask = USB_EP_TYPE_ISOCHRONOUS_gc;
+						break;
+					default:
+						EPTypeMask = USB_EP_TYPE_BULK_gc;
+						break;
+				}
+	
+				Endpoint_SelectedEndpointHandle->CTRL   = 0;
+				Endpoint_SelectedEndpointHandle->STATUS = (USB_EP_BUSNACK0_bm | USB_EP_BUSNACK1_bm);
+				Endpoint_SelectedEndpointHandle->CTRL   = (EPTypeMask | Banks | Endpoint_BytesToEPSizeMask(Size));				
 				return true;
 			}
 
@@ -324,27 +341,7 @@
 			{
 				// TODO
 			}
-#if 0
-			/** Enables the currently selected endpoint so that data can be sent and received through it to
-			 *  and from a host.
-			 *
-			 *  \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint().
-			 */
-			static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE;
-			static inline void Endpoint_EnableEndpoint(void)
-			{
-				// TODO
-			}
 
-			/** Disables the currently selected endpoint so that data cannot be sent and received through it
-			 *  to and from a host.
-			 */
-			static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE;
-			static inline void Endpoint_DisableEndpoint(void)
-			{
-				// TODO
-			}
-#endif
 			/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
 			 *
 			 * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise.
@@ -355,20 +352,6 @@
 				return true;
 			}
 
-			/** 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_XMEGA
-			 *
-			 *  \return Total number of busy banks in the selected endpoint.
-			 */
-			static inline uint8_t Endpoint_GetBusyBanks(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
-			static inline uint8_t Endpoint_GetBusyBanks(void)
-			{
-				return 0; // TODO
-			}
-
 			/** 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

LUFA/ManPages/CompileTimeTokens.txt

@@ -81,7 +81,7 @@
  *  \section Sec_SummaryUSBTokens General USB Driver Related Tokens
  *  This section describes compile tokens which affect USB driver stack as a whole in the LUFA library.
  *
- *  <b>ORDERED_EP_CONFIG</b> - (\ref Group_EndpointManagement , \ref Group_PipeManagement)  - <i>AVR8 Only</i> \n
+ *  <b>ORDERED_EP_CONFIG</b> - (\ref Group_EndpointManagement , \ref Group_PipeManagement)  - <i>AVR8, UC3</i> \n
  *  The USB AVRs do not allow for Endpoints and Pipes to be configured out of order; they <i>must</i> be configured in an ascending order to
  *  prevent data corruption issues. However, by default LUFA employs a workaround to allow for unordered Endpoint/Pipe initialization. This compile
  *  time token may be used to restrict the initialization order to ascending indexes only in exchange for a smaller compiled binary size. Use
@@ -117,7 +117,7 @@
  *  can be accurately set and the \ref EVENT_USB_Device_Connect() and \ref EVENT_USB_Device_Disconnect() events manually raised by the RAISE_EVENT macro.
  *  When defined, this token disables the library's auto-detection of the connection state by the aforementioned suspension and wake up events.
  *
- *  <b>NO_SOF_EVENTS</b> - (\ref Group_Events) - <i>All Architectures</i> \n
+ *  <b>NO_SOF_EVENTS</b> - (\ref Group_Events) - <i>AVR8, UC3</i> \n
  *  By default, there exists a LUFA application event for the start of each USB frame while the USB bus is not suspended in either host or device mode.
  *  This event can be selectively enabled or disabled by calling the appropriate device or host mode function. When this compile time token is defined,
  *  the ability to receive USB Start of Frame events via the \ref EVENT_USB_Device_StartOfFrame() or \ref EVENT_USB_Host_StartOfFrame() events is removed,