Fixed USB_RemoteWakeupEnabled flag never being set (the REMOTE WAKEUP Set Feature request was not being handled).

Renamed the FEATURELESS_CONTROL_ONLY_DEVICE compile-time token to CONTROL_ONLY_DEVICE.

Bootloaders/DFU/makefile

@@ -175,7 +175,7 @@ BOOT_START = 0x1E000
 
 # Place -D or -U options here for C sources
 CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD)
-CDEFS += -DUSB_DEVICE_ONLY -DUSE_NONSTANDARD_DESCRIPTOR_NAMES -DFEATURELESS_CONTROL_ONLY_DEVICE
+CDEFS += -DUSB_DEVICE_ONLY -DUSE_NONSTANDARD_DESCRIPTOR_NAMES -DCONTROL_ONLY_DEVICE
 CDEFS += -DSTATIC_ENDPOINT_CONFIGURATION -DFIXED_CONTROL_ENDPOINT_SIZE=32
 CDEFS += -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 CDEFS += -DUSE_RAM_DESCRIPTORS -DBOOT_START_ADDR=$(BOOT_START)UL -DUSE_SINGLE_DEVICE_CONFIGURATION

Bootloaders/TeensyHID/makefile

@@ -175,7 +175,7 @@ BOOT_START = 0xC000
 
 # Place -D or -U options here for C sources
 CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD)
-CDEFS += -DUSB_DEVICE_ONLY -DUSE_NONSTANDARD_DESCRIPTOR_NAMES -DFEATURELESS_CONTROL_ONLY_DEVICE
+CDEFS += -DUSB_DEVICE_ONLY -DUSE_NONSTANDARD_DESCRIPTOR_NAMES -DCONTROL_ONLY_DEVICE
 CDEFS += -DSTATIC_ENDPOINT_CONFIGURATION -DFIXED_CONTROL_ENDPOINT_SIZE=8
 CDEFS += -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 CDEFS += -DUSE_RAM_DESCRIPTORS -DBOOT_START_ADDR=$(BOOT_START)UL -DUSE_SINGLE_DEVICE_CONFIGURATION

Demos/Device/CDC/CDC.c

@@ -193,14 +193,14 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_SetControlLineState:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
 			{
+				/* Acknowledge the SETUP packet, ready for data transfer */
+				Endpoint_ClearSETUP();
+				
 				/* NOTE: Here you can read in the line state mask from the host, to get the current state of the output handshake
 				         lines. The mask is read in from the wValue parameter in USB_ControlRequest, and can be masked against the
 						 CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:
 				*/
 				
-				/* Acknowledge the SETUP packet, ready for data transfer */
-				Endpoint_ClearSETUP();
-				
 				/* Acknowledge status stage */
 				while (!(Endpoint_IsINReady()));
 				Endpoint_ClearIN();

Demos/Device/GenericHID/GenericHID.c

@@ -165,10 +165,10 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_GetReport:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
 			{
-				Endpoint_ClearSETUP();
-	
 				uint8_t GenericData[GENERIC_REPORT_SIZE];
 
+				Endpoint_ClearSETUP();
+	
 				CreateGenericHIDReport(GenericData);
 
 				/* Write the report data to the control endpoint */
@@ -182,13 +182,13 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_SetReport:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
 			{
+				uint8_t GenericData[GENERIC_REPORT_SIZE];
+
 				Endpoint_ClearSETUP();
 				
 				/* Wait until the generic report has been sent by the host */
 				while (!(Endpoint_IsOUTReceived()));
 
-				uint8_t GenericData[GENERIC_REPORT_SIZE];
-
 				Endpoint_Read_Control_Stream_LE(&GenericData, sizeof(GenericData));
 
 				ProcessGenericHIDReport(GenericData);

Demos/Device/Joystick/Joystick.c

@@ -129,11 +129,11 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 			{
 				USB_JoystickReport_Data_t JoystickReportData;
 				
+				Endpoint_ClearSETUP();
+
 				/* Create the next HID report to send to the host */				
 				GetNextReport(&JoystickReportData);
 					
-				Endpoint_ClearSETUP();
-	
 				/* Write the report data to the control endpoint */
 				Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
 				

Demos/Device/Keyboard/Keyboard.c

@@ -200,11 +200,11 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 			{
 				USB_KeyboardReport_Data_t KeyboardReportData;
 
+				Endpoint_ClearSETUP();
+	
 				/* Create the next keyboard report for transmission to the host */
 				CreateKeyboardReport(&KeyboardReportData);
 
-				Endpoint_ClearSETUP();
-	
 				/* Write the report data to the control endpoint */
 				Endpoint_Write_Control_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
 				

Demos/Device/KeyboardMouse/KeyboardMouse.c

@@ -144,6 +144,8 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_GetReport:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
 			{
+				Endpoint_ClearSETUP();
+	
 				/* Determine if it is the mouse or the keyboard data that is being requested */
 				if (!(USB_ControlRequest.wIndex))
 				{
@@ -156,8 +158,6 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 					ReportSize = sizeof(MouseReportData);
 				}
 
-				Endpoint_ClearSETUP();
-	
 				/* Write the report data to the control endpoint */
 				Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
 

Demos/Device/Mouse/Mouse.c

@@ -190,11 +190,11 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 			{
 				USB_MouseReport_Data_t MouseReportData;
 
+				Endpoint_ClearSETUP();
+
 				/* Create the next mouse report for transmission to the host */
 				CreateMouseReport(&MouseReportData);
 	
-				Endpoint_ClearSETUP();
-	
 				/* Write the report data to the control endpoint */
 				Endpoint_Write_Control_Stream_LE(&MouseReportData, sizeof(MouseReportData));
 				

Demos/Device/RNDISEthernet/RNDISEthernet.c

@@ -172,6 +172,9 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_GetEncapsulatedResponse:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
 			{
+				/* Clear the SETUP packet, ready for data transfer */
+				Endpoint_ClearSETUP();
+				
 				/* Check if a response to the last message is ready */
 				if (!(MessageHeader->MessageLength))
 				{
@@ -180,9 +183,6 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 					MessageHeader->MessageLength = 1;
 				}
 
-				/* Clear the SETUP packet, ready for data transfer */
-				Endpoint_ClearSETUP();
-				
 				/* Write the message response data to the endpoint */
 				Endpoint_Write_Control_Stream_LE(RNDISMessageBuffer, MessageHeader->MessageLength);
 				

Demos/Device/USBtoSerial/USBtoSerial.c

@@ -189,14 +189,14 @@ EVENT_HANDLER(USB_UnhandledControlPacket)
 		case REQ_SetControlLineState:
 			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
 			{				
+				/* Acknowledge the SETUP packet, ready for data transfer */
+				Endpoint_ClearSETUP();
+				
 				/* NOTE: Here you can read in the line state mask from the host, to get the current state of the output handshake
 				         lines. The mask is read in from the wValue parameter in USB_ControlRequest, and can be masked against the
 						 CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:
 				*/
 
-				/* Acknowledge the SETUP packet, ready for data transfer */
-				Endpoint_ClearSETUP();
-				
 				/* Acknowledge status stage */
 				while (!(Endpoint_IsINReady()));
 				Endpoint_ClearIN();

Demos/Host/MassStorageHost/MassStoreCommands.c

@@ -75,7 +75,7 @@ static uint8_t MassStore_SendCommand(void)
 {
 	uint8_t ErrorCode = PIPE_RWSTREAM_ERROR_NoError;
 
-	/* Each transmission should have a unique tag value, excluding valued 0 and 0xFFFFFFFF */
+	/* Each transmission should have a unique tag value, excluding values 0 and 0xFFFFFFFF */
 	if (++MassStore_Tag == 0xFFFFFFFF)
 	  MassStore_Tag = 1;
 

LUFA/ChangeLog.txt

@@ -59,6 +59,8 @@
   *    rather than having the library pass only partially read header data to the application
   *  - The USB_UnhandledControlPacket event has had its parameters removed, in favour of accessing the new USB_ControlRequest structure
   *  - The Endpoint control stream functions now correctly send a ZLP to the host when less data than requested is sent
+  *  - Fixed USB_RemoteWakeupEnabled flag never being set (the REMOTE WAKEUP Set Feature request was not being handled)
+  *  - Renamed the FEATURELESS_CONTROL_ONLY_DEVICE compile-time token to CONTROL_ONLY_DEVICE 
   *    
   *
   *  \section Sec_ChangeLog090401 Version 090401

LUFA/CompileTimeTokens.txt

@@ -114,10 +114,10 @@
  *  EEPROM or RAM rather than flash memory) and reduces code maintenance. However, many USB device projects use only a single configuration.
  *  Defining this token enables single-configuration mode, reducing the compiled size of the binary at the expense of flexibility.
  *
- *  <b>FEATURELESS_CONTROL_ONLY_DEVICE</b> \n
+ *  <b>CONTROL_ONLY_DEVICE</b> \n
- *  In some limited USB device applications, device features (other than self-power) and endpoints other than the control endpoint aren't
+ *  In some limited USB device applications, there are no device endpoints other than the control endpoint; i.e. all device communication
- *  used. In such limited situations, this token may be defined to remove the handling of the Set Feature Chapter 9 request entirely and
+ *  is through control endpoint requests. Defining this token will remove several features related to the selection and control of device
- *  parts of the Get Feature chapter 9 request to save space. Generally, this is usually only useful in (some) bootloaders and is best avoided.
+ *  endpoints internally, saving space. Generally, this is usually only useful in (some) bootloaders and is best avoided.
  *
  *  <b>NO_STREAM_CALLBACKS</b> - ( \ref Group_EndpointPacketManagement , \ref Group_PipePacketManagement )\n
  *  Both the endpoint and the pipe driver code contains stream functions, allowing for arrays of data to be sent to or from the

LUFA/Drivers/USB/LowLevel/DevChapter9.c

@@ -47,30 +47,30 @@ void USB_Device_ProcessControlPacket(void)
 	for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
 	  *(RequestHeader++) = Endpoint_Read_Byte();
 	  
+	uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
+	
 	switch (USB_ControlRequest.bRequest)
 	{
 		case REQ_GetStatus:
-			if ((USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
+			if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
-			    (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
+			    (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
 			{
 				USB_Device_GetStatus();
 				RequestHandled = true;
 			}
 
 			break;
-#if !defined(FEATURELESS_CONTROL_ONLY_DEVICE)
 		case REQ_ClearFeature:
 		case REQ_SetFeature:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))
+			if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))
 			{
 				USB_Device_ClearSetFeature();
 				RequestHandled = true;
 			}
 
 			break;
-#endif
 		case REQ_SetAddress:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
+			if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
 			{
 				USB_Device_SetAddress();
 				RequestHandled = true;
@@ -78,8 +78,8 @@ void USB_Device_ProcessControlPacket(void)
 
 			break;
 		case REQ_GetDescriptor:
-			if ((USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
+			if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
-			    (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
+			    (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
 			{
 				USB_Device_GetDescriptor();
 				RequestHandled = true;
@@ -87,7 +87,7 @@ void USB_Device_ProcessControlPacket(void)
 			
 			break;
 		case REQ_GetConfiguration:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
+			if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
 			{
 				USB_Device_GetConfiguration();
 				RequestHandled = true;
@@ -95,7 +95,7 @@ void USB_Device_ProcessControlPacket(void)
 
 			break;
 		case REQ_SetConfiguration:
-			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
+			if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
 			{
 				USB_Device_SetConfiguration();
 				RequestHandled = true;
@@ -124,7 +124,7 @@ static void USB_Device_SetAddress(void)
 	
 	while (!(Endpoint_IsINReady()));
 
-	UDADDR = ((1 << ADDEN) | (USB_ControlRequest.wValue & 0x7F));
+	UDADDR = ((1 << ADDEN) | ((uint8_t)USB_ControlRequest.wValue & 0x7F));
 
 	return;
 }
@@ -134,17 +134,17 @@ static void USB_Device_SetConfiguration(void)
 	bool    AlreadyConfigured = (USB_ConfigurationNumber != 0);
 
 #if defined(USE_SINGLE_DEVICE_CONFIGURATION)
-	if (USB_ControlRequest.wValue > 1)
+	if ((uint8_t)USB_ControlRequest.wValue > 1)
 #else
 	USB_Descriptor_Device_t* DevDescriptorPtr;
 
 	if ((USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DevDescriptorPtr) == NO_DESCRIPTOR) ||
 	#if defined(USE_RAM_DESCRIPTORS)
-	    (USB_ControlRequest.wValue > DevDescriptorPtr->NumberOfConfigurations))
+	    ((uint8_t)USB_ControlRequest.wValue > DevDescriptorPtr->NumberOfConfigurations))
 	#elif defined (USE_EEPROM_DESCRIPTORS)
-	    (USB_ControlRequest.wValue > eeprom_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
+	    ((uint8_t)USB_ControlRequest.wValue > eeprom_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
 	#else
-	    (USB_ControlRequest.wValue > pgm_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
+	    ((uint8_t)USB_ControlRequest.wValue > pgm_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
 	#endif
 #endif
 	{
@@ -153,7 +153,7 @@ static void USB_Device_SetConfiguration(void)
 	
 	Endpoint_ClearSETUP();
 
-	USB_ConfigurationNumber = USB_ControlRequest.wValue;
+	USB_ConfigurationNumber = (uint8_t)USB_ControlRequest.wValue;
 
 	Endpoint_ClearIN();
 
@@ -245,9 +245,9 @@ static void USB_Device_GetStatus(void)
 			  CurrentStatus |= FEATURE_REMOTE_WAKEUP_ENABLED;
 			
 			break;
-#if !defined(FEATURELESS_CONTROL_ONLY_DEVICE)
+#if !defined(CONTROL_ONLY_DEVICE)
 		case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT):
-			Endpoint_SelectEndpoint(USB_ControlRequest.wIndex);
+			Endpoint_SelectEndpoint((uint8_t)USB_ControlRequest.wIndex);
 
 			CurrentStatus = Endpoint_IsStalled();
 
@@ -267,15 +267,20 @@ static void USB_Device_GetStatus(void)
 	Endpoint_ClearOUT();
 }
 
-#if !defined(FEATURELESS_CONTROL_ONLY_DEVICE)
 static void USB_Device_ClearSetFeature(void)
 {	
 	switch (USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT)
 	{
+		case REQREC_DEVICE:
+			if ((uint8_t)USB_ControlRequest.wValue == FEATURE_REMOTE_WAKEUP)
+			  USB_RemoteWakeupEnabled = (USB_ControlRequest.bRequest == REQ_SetFeature);
+			
+			break;			
+#if !defined(CONTROL_ONLY_DEVICE)
 		case REQREC_ENDPOINT:
-			if (USB_ControlRequest.wValue == FEATURE_ENDPOINT_HALT)
+			if ((uint8_t)USB_ControlRequest.wValue == FEATURE_ENDPOINT_HALT)
 			{
-				uint8_t EndpointIndex = (USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
+				uint8_t EndpointIndex = ((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
 				
 				if (EndpointIndex != ENDPOINT_CONTROLEP)
 				{
@@ -302,8 +307,8 @@ static void USB_Device_ClearSetFeature(void)
 			}
 			
 			break;
-	}
-}
 #endif
+	}
+}
 
 #endif

LUFA/Drivers/USB/LowLevel/DevChapter9.h

@@ -120,11 +120,9 @@
 				static void USB_Device_GetConfiguration(void);
 				static void USB_Device_GetDescriptor(void);
 				static void USB_Device_GetStatus(void);
-				#if !defined(FEATURELESS_CONTROL_ONLY_DEVICE)
 				static void USB_Device_ClearSetFeature(void);
 			#endif
 	#endif
-	#endif
 
 	/* Disable C linkage for C++ Compilers: */
 		#if defined(__cplusplus)

LUFA/Drivers/USB/LowLevel/Endpoint.c

@@ -82,6 +82,7 @@ void Endpoint_ClearEndpoints(void)
 	}
 }
 
+#if !defined(CONTROL_ONLY_DEVICE)
 uint8_t Endpoint_WaitUntilReady(void)
 {
 	uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
@@ -289,6 +290,7 @@ uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
 	
 	return ENDPOINT_RWSTREAM_ERROR_NoError;
 }
+#endif
 
 uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
 {

LUFA/Drivers/USB/LowLevel/Endpoint.h

@@ -127,6 +127,7 @@
 			 */				
 			#define ENDPOINT_DOUBLEBANK_SUPPORTED(n)      _ENDPOINT_GET_DOUBLEBANK(n)
 
+			#if !defined(CONTROL_ONLY_DEVICE)
 				#if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || defined(__DOXYGEN__)
 					/** Total number of endpoints (including the default control endpoint at address 0) which may
 					 *  be used in the device. Different USB AVR models support different amounts of endpoints,
@@ -136,6 +137,9 @@
 				#else
 					#define ENDPOINT_TOTAL_ENDPOINTS          5			
 				#endif
+			#else
+				#define ENDPOINT_TOTAL_ENDPOINTS              1
+			#endif
 
 			/** Interrupt definition for the endpoint SETUP interrupt (for CONTROL type endpoints). Should be
 			 *  used with the USB_INT_* macros located in USBInterrupt.h.
@@ -366,9 +370,17 @@
 					#define Endpoint_BytesInEndpoint()        UEBCLX
 				#endif
 				
+				#if !defined(CONTROL_ONLY_DEVICE)
 					#define Endpoint_GetCurrentEndpoint()     (UENUM & ENDPOINT_EPNUM_MASK)
+				#else
+					#define Endpoint_GetCurrentEndpoint()     ENDPOINT_CONTROLEP
+				#endif
 				
+				#if !defined(CONTROL_ONLY_DEVICE)
 					#define Endpoint_SelectEndpoint(epnum)    MACROS{ UENUM = epnum; }MACROE
+				#else
+					#define Endpoint_SelectEndpoint(epnum)    (void)epnum
+				#endif
 
 				#define Endpoint_ResetFIFO(epnum)             MACROS{ UERST = (1 << epnum); UERST = 0; }MACROE
 
@@ -378,7 +390,9 @@
 
 				#define Endpoint_IsEnabled()                  ((UECONX & (1 << EPEN)) ? true : false)
 
+				#if !defined(CONTROL_ONLY_DEVICE)
 					#define Endpoint_IsReadWriteAllowed()     ((UEINTX & (1 << RWAL)) ? true : false)
+				#endif
 				
 				#define Endpoint_IsConfigured()               ((UESTA0X & (1 << CFGOK)) ? true : false)
 
@@ -396,11 +410,19 @@
 
 				#define Endpoint_ClearSETUP()                 MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
 
+				#if !defined(CONTROL_ONLY_DEVICE)
 					#define Endpoint_ClearIN()                MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << TXINI)); \
 					                                                  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
+				#else
+					#define Endpoint_ClearIN()                MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
+				#endif
 
+				#if !defined(CONTROL_ONLY_DEVICE)
 					#define Endpoint_ClearOUT()               MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << RXOUTI)); \
 					                                                  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
+				#else
+					#define Endpoint_ClearOUT()               MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE			
+				#endif
 
 				#define Endpoint_StallTransaction()           MACROS{ UECONX |= (1 << STALLRQ); }MACROE
 
@@ -725,6 +747,8 @@
 			bool Endpoint_ConfigureEndpoint(const uint8_t  Number, const uint8_t Type, const uint8_t Direction,
 			                                const uint16_t Size, const uint8_t Banks);
 
+			#if !defined(CONTROL_ONLY_DEVICE)
+
 			/** Spinloops until the currently selected non-control endpoint is ready for the next packet of data
 			 *  to be read or written to it.
 			 *
@@ -870,6 +894,8 @@
 			#endif
 			                                ) ATTR_NON_NULL_PTR_ARG(1);
 
+			#endif
+
 			/** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian,
 			 *  sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared
 			 *  in both failure and success states; the user is responsible for manually clearing the setup OUT to

LUFA/Drivers/USB/LowLevel/LowLevel.c

@@ -224,6 +224,11 @@ void USB_ResetInterface(void)
 	#if defined(USB_DEVICE_ONLY)	
 	USB_INT_Enable(USB_INT_SUSPEND);
 	USB_INT_Enable(USB_INT_EORSTI);
+
+	#if defined(CONTROL_ONLY_DEVICE)
+	UENUM = ENDPOINT_CONTROLEP;
+	#endif
+		
 	#elif defined(USB_HOST_ONLY)
 	USB_Host_HostMode_On();
 	
@@ -240,6 +245,10 @@ void USB_ResetInterface(void)
 	{
 		USB_INT_Enable(USB_INT_SUSPEND);
 		USB_INT_Enable(USB_INT_EORSTI);
+
+		#if defined(CONTROL_ONLY_DEVICE)
+		UENUM = ENDPOINT_CONTROLEP;
+		#endif
 	}
 	else if (USB_CurrentMode == USB_MODE_HOST)
 	{

LUFA/MigrationInformation.txt

@@ -36,6 +36,7 @@
  *    - The USB_UnhandledControlPacket event no longer has any parameters. User code should no longer attempt to read in the remainder of
  *      the Control Request header as all Control Request header data is now preloaded by the library and made available in the
  *      USB_ControlRequest structure.
+ *    - The FEATURELESS_CONTROL_ONLY_DEVICE token has been renamed to CONTROL_ONLY_DEVICE.
  *
  *  <b>Host Mode</b>
  *    - The USB_Host_SendControlRequest() function no longer automatically selects the Control pipe (pipe 0) to allow it to be used on