Add start of an architecture port to the Atmel USB XMEGA devices.

LUFA/CodeTemplates/makefile_template.xmega

@@ -0,0 +1,707 @@
+# Hey Emacs, this is a -*- makefile -*-
+#----------------------------------------------------------------------------
+# WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.
+#  >> Modified for use with the LUFA project. <<
+#
+# Released to the Public Domain
+#
+# Additional material for this makefile was written by:
+# Peter Fleury
+# Tim Henigan
+# Colin O'Flynn
+# Reiner Patommel
+# Markus Pfaff
+# Sander Pool
+# Frederik Rouleau
+# Carlos Lamas
+# Dean Camera
+# Opendous Inc.
+# Denver Gingerich
+#
+#----------------------------------------------------------------------------
+# On command line:
+#
+# make all = Make software.
+#
+# make clean = Clean out built project files.
+#
+# make coff = Convert ELF to AVR COFF.
+#
+# make extcoff = Convert ELF to AVR Extended COFF.
+#
+# make program = Download the hex file to the device, using avrdude.
+#                Please customize the avrdude settings below first!
+#
+# make dfu = Download the hex file to the device, using dfu-programmer (must
+#            have dfu-programmer installed).
+#
+# make flip = Download the hex file to the device, using Atmel FLIP (must
+#             have Atmel FLIP installed).
+#
+# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
+#               (must have dfu-programmer installed).
+#
+# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
+#                (must have Atmel FLIP installed).
+#
+# make doxygen = Generate DoxyGen documentation for the project (must have
+#                DoxyGen installed)
+#
+# make debug = Start either simulavr or avarice as specified for debugging, 
+#              with avr-gdb or avr-insight as the front end for debugging.
+#
+# make filename.s = Just compile filename.c into the assembler code only.
+#
+# make filename.i = Create a preprocessed source file for use in submitting
+#                   bug reports to the GCC project.
+#
+# To rebuild project do "make clean" then "make all".
+#----------------------------------------------------------------------------
+
+
+# MCU name
+MCU = ### INSERT NAME OF MICROCONTROLLER MODEL HERE ###
+
+
+# Targeted chip architecture (see library "Architectures" documentation)
+ARCH = XMEGA
+
+
+# Target board (see library "Board Types" documentation, NONE for projects not requiring
+# LUFA board drivers). If USER is selected, put custom board drivers in a directory called 
+# "Board" inside the application directory.
+BOARD = ### INSERT NAME OF BOARD HERE, OR NONE IF NO BOARD DRIVERS USED ###
+
+
+# Processor frequency.
+#     This will define a symbol, F_CPU, in all source code files equal to the
+#     processor frequency in Hz. You can then use this symbol in your source code to
+#     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+#     automatically to create a 32-bit value in your source code.
+#
+#     This should be the frequency the system core runs at, after the system clock
+#     has been set up correctly and started.
+F_CPU = ### INSERT PRESCALED SYSTEM CLOCK SPEED HERE, IN HZ ###
+
+
+# USB controller master clock frequency.
+#     This will define a symbol, F_USB, in all source code files equal to the
+#     input clock frequency (before any prescaling is performed) in Hz. This value may
+#     differ from F_CPU, as the USB clock is often sourced from the same oscillator as
+#     the CPU clock, but run through multipliers and dividers to achieve the desired
+#     clock rate.
+#
+#     For the UC3 chips, this should be equal to 48MHz or 96MHz.
+F_USB = ### INSERT CLOCK TO USB MODULE HERE, IN HZ ###
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+
+# Target file name (without extension).
+TARGET = ### INSERT NAME OF MAIN FILENAME HERE, WITHOUT EXTENSION ###
+
+
+# Object files directory
+#     To put object files in current directory, use a dot (.), do NOT make
+#     this an empty or blank macro!
+OBJDIR = .
+
+
+# Path to the LUFA library
+LUFA_PATH = ### INSERT PATH TO LUFA LIBRARY RELATIVE TO PROJECT DIRECTORY HERE ###
+
+
+# LUFA library compile-time options and predefined tokens (add '-D' before each token)
+LUFA_OPTS = ### INSERT LUFA COMPILE TIME TOKES HERE ###
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
+# List C source files here. (C dependencies are automatically generated.)
+SRC = $(TARGET).c                                                 \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
+      ### INSERT ADDITIONAL PROJECT SOURCE FILENAMES OR LUFA MODULE NAMES HERE ###
+
+
+# List C++ source files here. (C dependencies are automatically generated.)
+CPPSRC = 
+
+
+# List Assembler source files here.
+#     Make them always end in a capital .S.  Files ending in a lowercase .s
+#     will not be considered source files but generated files (assembler
+#     output from the compiler), and will be deleted upon "make clean"!
+#     Even though the DOS/Win* filesystem matches both .s and .S the same,
+#     it will preserve the spelling of the filenames, and gcc itself does
+#     care about how the name is spelled on its command-line.
+ASRC =
+
+
+# Optimization level, can be [0, 1, 2, 3, s]. 
+#     0 = turn off optimization. s = optimize for size.
+#     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+OPT = s
+
+
+# List any extra directories to look for include files here.
+#     Each directory must be seperated by a space.
+#     Use forward slashes for directory separators.
+#     For a directory that has spaces, enclose it in quotes.
+EXTRAINCDIRS = $(LUFA_PATH)/
+
+
+# Compiler flag to set the C Standard level.
+#     c89   = "ANSI" C
+#     gnu89 = c89 plus GCC extensions
+#     c99   = ISO C99 standard (not yet fully implemented)
+#     gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+
+# Place -D or -U options here for C sources
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_USB=$(F_USB)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += -DARCH=ARCH_$(ARCH)
+CDEFS += $(LUFA_OPTS)
+
+
+# Place -D or -U options here for ASM sources
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_USB=$(F_USB)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += -DARCH=ARCH_$(ARCH)
+ADEFS += $(LUFA_OPTS)
+
+# Place -D or -U options here for C++ sources
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_USB=$(F_USB)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += -DARCH=ARCH_$(ARCH)
+CPPDEFS += $(LUFA_OPTS)
+
+
+# Debugging format.
+#     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
+#     AVR Studio 4.10 requires dwarf-2.
+#     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
+DEBUG = dwarf-2
+
+
+#---------------- Compiler Options C ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+#    -adhlns...: create assembler listing
+CFLAGS = -g$(DEBUG)
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+CFLAGS += -funsigned-char
+CFLAGS += -funsigned-bitfields
+CFLAGS += -ffunction-sections
+CFLAGS += -fno-inline-small-functions
+CFLAGS += -fpack-struct
+CFLAGS += -fshort-enums
+CFLAGS += -fno-strict-aliasing
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
+CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
+CFLAGS += $(CSTANDARD)
+
+
+#---------------- Compiler Options C++ ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+#    -adhlns...: create assembler listing
+CPPFLAGS = -g$(DEBUG)
+CPPFLAGS += $(CPPDEFS)
+CPPFLAGS += -O$(OPT)
+CPPFLAGS += -funsigned-char
+CPPFLAGS += -funsigned-bitfields
+CPPFLAGS += -fpack-struct
+CPPFLAGS += -fshort-enums
+CPPFLAGS += -ffunction-sections
+CPPFLAGS += -fno-strict-aliasing
+CPPFLAGS += -fno-exceptions
+CPPFLAGS += -Wall
+CPPFLAGS += -Wundef
+CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
+CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
+#CPPFLAGS += $(CSTANDARD)
+
+
+#---------------- Assembler Options ----------------
+#  -Wa,...:   tell GCC to pass this to the assembler.
+#  -adhlns:   create listing
+#  -gstabs:   have the assembler create line number information; note that
+#             for use in COFF files, additional information about filenames
+#             and function names needs to be present in the assembler source
+#             files -- see avr-libc docs [FIXME: not yet described there]
+#  -listing-cont-lines: Sets the maximum number of continuation lines of hex 
+#       dump that will be displayed for a given single line of source input.
+ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100
+
+
+#---------------- Library Options ----------------
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+# If this is left blank, then it will use the Standard printf version.
+PRINTF_LIB = 
+#PRINTF_LIB = $(PRINTF_LIB_MIN)
+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
+
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+# If this is left blank, then it will use the Standard scanf version.
+SCANF_LIB = 
+#SCANF_LIB = $(SCANF_LIB_MIN)
+#SCANF_LIB = $(SCANF_LIB_FLOAT)
+
+
+MATH_LIB = -lm
+
+
+# List any extra directories to look for libraries here.
+#     Each directory must be seperated by a space.
+#     Use forward slashes for directory separators.
+#     For a directory that has spaces, enclose it in quotes.
+EXTRALIBDIRS = 
+
+
+
+#---------------- External Memory Options ----------------
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# used for variables (.data/.bss) and heap (malloc()).
+#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# only used for heap (malloc()).
+#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
+
+EXTMEMOPTS =
+
+
+
+#---------------- Linker Options ----------------
+#  -Wl,...:     tell GCC to pass this to linker.
+#    -Map:      create map file
+#    --cref:    add cross reference to  map file
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS += -Wl,--relax 
+LDFLAGS += -Wl,--gc-sections
+LDFLAGS += $(EXTMEMOPTS)
+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+
+
+
+#---------------- Programming Options (avrdude) ----------------
+
+# Programming hardware
+# Type: avrdude -c ?
+# to get a full listing.
+#
+AVRDUDE_PROGRAMMER = jtagmkII
+
+# com1 = serial port. Use lpt1 to connect to parallel port.
+AVRDUDE_PORT = usb
+
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
+
+
+# Uncomment the following if you want avrdude's erase cycle counter.
+# Note that this counter needs to be initialized first using -Yn,
+# see avrdude manual.
+#AVRDUDE_ERASE_COUNTER = -y
+
+# Uncomment the following if you do /not/ wish a verification to be
+# performed after programming the device.
+#AVRDUDE_NO_VERIFY = -V
+
+# Increase verbosity level.  Please use this when submitting bug
+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude> 
+# to submit bug reports.
+#AVRDUDE_VERBOSE = -v -v
+
+AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
+AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
+AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
+AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
+
+
+
+#---------------- Debugging Options ----------------
+
+# For simulavr only - target MCU frequency.
+DEBUG_MFREQ = $(F_CPU)
+
+# Set the DEBUG_UI to either gdb or insight.
+# DEBUG_UI = gdb
+DEBUG_UI = insight
+
+# Set the debugging back-end to either avarice, simulavr.
+DEBUG_BACKEND = avarice
+#DEBUG_BACKEND = simulavr
+
+# GDB Init Filename.
+GDBINIT_FILE = __avr_gdbinit
+
+# When using avarice settings for the JTAG
+JTAG_DEV = /dev/com1
+
+# Debugging port used to communicate between GDB / avarice / simulavr.
+DEBUG_PORT = 4242
+
+# Debugging host used to communicate between GDB / avarice / simulavr, normally
+#     just set to localhost unless doing some sort of crazy debugging when 
+#     avarice is running on a different computer.
+DEBUG_HOST = localhost
+
+
+
+#============================================================================
+
+
+# Define programs and commands.
+SHELL = sh
+CC = avr-gcc
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+AR = avr-ar rcs
+NM = avr-nm
+AVRDUDE = avrdude
+REMOVE = rm -f
+REMOVEDIR = rm -rf
+COPY = cp
+WINSHELL = cmd
+
+
+# Define Messages
+# English
+MSG_ERRORS_NONE = Errors: none
+MSG_BEGIN = -------- begin --------
+MSG_END = --------  end  --------
+MSG_SIZE_BEFORE = Size before: 
+MSG_SIZE_AFTER = Size after:
+MSG_COFF = Converting to AVR COFF:
+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
+MSG_FLASH = Creating load file for Flash:
+MSG_EEPROM = Creating load file for EEPROM:
+MSG_EXTENDED_LISTING = Creating Extended Listing:
+MSG_SYMBOL_TABLE = Creating Symbol Table:
+MSG_LINKING = Linking:
+MSG_COMPILING = Compiling C:
+MSG_COMPILING_CPP = Compiling C++:
+MSG_ASSEMBLING = Assembling:
+MSG_CLEANING = Cleaning project:
+MSG_CREATING_LIBRARY = Creating library:
+
+
+
+
+# Define all object files.
+OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o) 
+
+# Define all listing files.
+LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst) 
+
+
+# Compiler flags to generate dependency files.
+GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
+ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+
+
+
+# Default target.
+all: begin gccversion sizebefore build sizeafter end
+
+# Change the build target to build a HEX file or a library.
+build: elf hex eep lss sym
+#build: lib
+
+
+elf: $(TARGET).elf
+hex: $(TARGET).hex
+eep: $(TARGET).eep
+lss: $(TARGET).lss
+sym: $(TARGET).sym
+LIBNAME=lib$(TARGET).a
+lib: $(LIBNAME)
+
+
+
+# Eye candy.
+# AVR Studio 3.x does not check make's exit code but relies on
+# the following magic strings to be generated by the compile job.
+begin:
+	@echo
+	@echo $(MSG_BEGIN)
+
+end:
+	@echo $(MSG_END)
+	@echo
+
+
+# Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
+ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
+MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
+FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+
+
+sizebefore:
+	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
+	2>/dev/null; echo; fi
+
+sizeafter:
+	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
+	2>/dev/null; echo; fi
+
+
+
+# Display compiler version information.
+gccversion : 
+	@$(CC) --version
+
+
+# Program the device.  
+program: $(TARGET).hex $(TARGET).eep
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
+
+flip: $(TARGET).hex
+	batchisp -hardware usb -device $(MCU) -operation erase f
+	batchisp -hardware usb -device $(MCU) -operation loadbuffer $(TARGET).hex program
+	batchisp -hardware usb -device $(MCU) -operation start reset 0
+
+dfu: $(TARGET).hex
+	dfu-programmer $(MCU) erase
+	dfu-programmer $(MCU) flash $(TARGET).hex
+	dfu-programmer $(MCU) reset
+
+flip-ee: $(TARGET).hex $(TARGET).eep
+	$(COPY) $(TARGET).eep $(TARGET)eep.hex
+	batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
+	batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program
+	batchisp -hardware usb -device $(MCU) -operation start reset 0
+	$(REMOVE) $(TARGET)eep.hex
+
+dfu-ee: $(TARGET).hex $(TARGET).eep
+	dfu-programmer $(MCU) eeprom-flash $(TARGET).eep
+	dfu-programmer $(MCU) reset
+
+
+# Generate avr-gdb config/init file which does the following:
+#     define the reset signal, load the target file, connect to target, and set 
+#     a breakpoint at main().
+gdb-config: 
+	@$(REMOVE) $(GDBINIT_FILE)
+	@echo define reset >> $(GDBINIT_FILE)
+	@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
+	@echo end >> $(GDBINIT_FILE)
+	@echo file $(TARGET).elf >> $(GDBINIT_FILE)
+	@echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)
+ifeq ($(DEBUG_BACKEND),simulavr)
+	@echo load  >> $(GDBINIT_FILE)
+endif
+	@echo break main >> $(GDBINIT_FILE)
+
+debug: gdb-config $(TARGET).elf
+ifeq ($(DEBUG_BACKEND), avarice)
+	@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
+	@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
+	$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
+	@$(WINSHELL) /c pause
+
+else
+	@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
+	$(DEBUG_MFREQ) --port $(DEBUG_PORT)
+endif
+	@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
+
+
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT = $(OBJCOPY) --debugging
+COFFCONVERT += --change-section-address .data-0x800000
+COFFCONVERT += --change-section-address .bss-0x800000
+COFFCONVERT += --change-section-address .noinit-0x800000
+COFFCONVERT += --change-section-address .eeprom-0x810000
+
+
+
+coff: $(TARGET).elf
+	@echo
+	@echo $(MSG_COFF) $(TARGET).cof
+	$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+	@echo
+	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
+	$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
+
+
+
+# Create final output files (.hex, .eep) from ELF output file.
+%.hex: %.elf
+	@echo
+	@echo $(MSG_FLASH) $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature $< $@
+
+%.eep: %.elf
+	@echo
+	@echo $(MSG_EEPROM) $@
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+	--change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
+
+# Create extended listing file from ELF output file.
+%.lss: %.elf
+	@echo
+	@echo $(MSG_EXTENDED_LISTING) $@
+	$(OBJDUMP) -h -S -z $< > $@
+
+# Create a symbol table from ELF output file.
+%.sym: %.elf
+	@echo
+	@echo $(MSG_SYMBOL_TABLE) $@
+	$(NM) -n $< > $@
+
+
+
+# Create library from object files.
+.SECONDARY : $(TARGET).a
+.PRECIOUS : $(OBJ)
+%.a: $(OBJ)
+	@echo
+	@echo $(MSG_CREATING_LIBRARY) $@
+	$(AR) $@ $(OBJ)
+
+
+# Link: create ELF output file from object files.
+.SECONDARY : $(TARGET).elf
+.PRECIOUS : $(OBJ)
+%.elf: $(OBJ)
+	@echo
+	@echo $(MSG_LINKING) $@
+	$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
+
+
+# Compile: create object files from C source files.
+$(OBJDIR)/%.o : %.c
+	@echo
+	@echo $(MSG_COMPILING) $<
+	$(CC) -c $(ALL_CFLAGS) $< -o $@ 
+
+
+# Compile: create object files from C++ source files.
+$(OBJDIR)/%.o : %.cpp
+	@echo
+	@echo $(MSG_COMPILING_CPP) $<
+	$(CC) -c $(ALL_CPPFLAGS) $< -o $@ 
+
+
+# Compile: create assembler files from C source files.
+%.s : %.c
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
+
+
+# Compile: create assembler files from C++ source files.
+%.s : %.cpp
+	$(CC) -S $(ALL_CPPFLAGS) $< -o $@
+
+
+# Assemble: create object files from assembler source files.
+$(OBJDIR)/%.o : %.S
+	@echo
+	@echo $(MSG_ASSEMBLING) $<
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+
+# Create preprocessed source for use in sending a bug report.
+%.i : %.c
+	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
+
+
+# Target: clean project.
+clean: begin clean_list end
+
+clean_list :
+	@echo
+	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
+	$(REMOVE) $(TARGET).eep
+	$(REMOVE) $(TARGET).cof
+	$(REMOVE) $(TARGET).elf
+	$(REMOVE) $(TARGET).map
+	$(REMOVE) $(TARGET).sym
+	$(REMOVE) $(TARGET).lss
+	$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
+	$(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
+	$(REMOVE) $(SRC:.c=.s)
+	$(REMOVE) $(SRC:.c=.d)
+	$(REMOVE) $(SRC:.c=.i)
+	$(REMOVEDIR) .dep
+
+doxygen:
+	@echo Generating Project Documentation...
+	@doxygen Doxygen.conf
+	@echo Documentation Generation Complete.
+
+clean_doxygen:
+	rm -rf Documentation
+
+checksource:
+	@for f in $(SRC) $(CPPSRC) $(ASRC); do \
+		if [ -f $$f ]; then \
+			echo "Found Source File: $$f" ; \
+		else \
+			echo "Source File Not Found: $$f" ; \
+		fi; done 
+
+
+# Create object files directory
+$(shell mkdir $(OBJDIR) 2>/dev/null)
+
+
+# Include the dependency files.
+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
+
+
+# Listing of phony targets.
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config checksource

LUFA/Common/Architectures.h

@@ -65,7 +65,10 @@
 			#define ARCH_AVR8           0
 
 			/** Selects the Atmel 32-bit UC3 AVR (AT32UC3* chips) architecture. */
-			#define ARCH_UC3           1
+			#define ARCH_UC3            1
+			
+			/** Selects the Atmel XMEGA AVR (ATXMEGA*U chips) architecture. */
+			#define ARCH_XMEGA          2
 			
 			#if !defined(__DOXYGEN__)
 				#define ARCH_           ARCH_AVR8

LUFA/Common/Common.h

@@ -119,6 +119,21 @@
 			#define ARCH_BIG_ENDIAN
 
 			#include "Endianness.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include <avr/io.h>
+			#include <avr/interrupt.h>
+			#include <avr/pgmspace.h>
+			#include <avr/eeprom.h>
+			#include <util/delay.h>
+			
+			typedef uint8_t uint_reg_t;
+			
+			#define ARCH_HAS_EEPROM_ADDRESS_SPACE
+			#define ARCH_HAS_FLASH_ADDRESS_SPACE
+			#define ARCH_HAS_MULTI_ADDRESS_SPACE
+			#define ARCH_LITTLE_ENDIAN
+
+			#include "Endianness.h"		
 		#else
 			#error Unknown device architecture specified.
 		#endif
@@ -289,6 +304,16 @@
 					__builtin_mtsr(AVR32_COUNT, 0);
 					while (__builtin_mfsr(AVR32_COUNT) < (F_CPU / 1000));				
 				}
+				#elif (ARCH == ARCH_XMEGA)
+				if (GCC_IS_COMPILE_CONST(Milliseconds))
+				{
+					_delay_ms(Milliseconds);
+				}
+				else
+				{
+					while (Milliseconds--)
+					  _delay_ms(1);
+				}				
 				#endif
 			}
 
@@ -308,7 +333,9 @@
 				#if (ARCH == ARCH_AVR8)
 				return SREG;
 				#elif (ARCH == ARCH_UC3)
-				return __builtin_mfsr(AVR32_SR);				
+				return __builtin_mfsr(AVR32_SR);
+				#elif (ARCH == ARCH_XMEGA)
+				return SREG;
 				#endif
 
 				GCC_MEMORY_BARRIER();
@@ -334,6 +361,8 @@
 				  __builtin_ssrf(AVR32_SR_GM_OFFSET);
 				else
 				  __builtin_csrf(AVR32_SR_GM_OFFSET);
+				#elif (ARCH == ARCH_XMEGA)
+				SREG = GlobalIntState;				
 				#endif
 				
 				GCC_MEMORY_BARRIER();
@@ -352,6 +381,8 @@
 				sei();
 				#elif (ARCH == ARCH_UC3)
 				__builtin_csrf(AVR32_SR_GM_OFFSET);
+				#elif (ARCH == ARCH_XMEGA)
+				sei();
 				#endif
 
 				GCC_MEMORY_BARRIER();
@@ -370,6 +401,8 @@
 				cli();
 				#elif (ARCH == ARCH_UC3)
 				__builtin_ssrf(AVR32_SR_GM_OFFSET);
+				#elif (ARCH == ARCH_XMEGA)
+				cli();
 				#endif
 
 				GCC_MEMORY_BARRIER();

LUFA/Drivers/USB/Core/Device.h

@@ -144,6 +144,8 @@
 			#include "AVR8/Device_AVR8.h"
 		#elif (ARCH == ARCH_UC3)
 			#include "UC3/Device_UC3.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include "XMEGA/Device_XMEGA.h"		
 		#endif
 
 	/* Disable C linkage for C++ Compilers: */

LUFA/Drivers/USB/Core/Endpoint.h

@@ -108,6 +108,8 @@
 			#include "AVR8/Endpoint_AVR8.h"
 		#elif (ARCH == ARCH_UC3)
 			#include "UC3/Endpoint_UC3.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include "XMEGA/Endpoint_XMEGA.h"
 		#endif
 
 	/* Disable C linkage for C++ Compilers: */

LUFA/Drivers/USB/Core/EndpointStream.h

@@ -109,6 +109,8 @@
 			#include "AVR8/EndpointStream_AVR8.h"
 		#elif (ARCH == ARCH_UC3)
 			#include "UC3/EndpointStream_UC3.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include "XMEGA/EndpointStream_XMEGA.h"	
 		#endif
 
 	/* Disable C linkage for C++ Compilers: */

LUFA/Drivers/USB/Core/StdDescriptors.h

@@ -637,7 +637,7 @@
 			{
 				USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
 
-				#if (ARCH == ARCH_AVR8)
+				#if ((ARCH == ARCH_AVR8) || (ARCH == ARCH_XMEGA))
 				wchar_t  UnicodeString[];
 				#else
 				uint16_t UnicodeString[]; /**< String data, as unicode characters (alternatively,

LUFA/Drivers/USB/Core/USBController.h

@@ -66,7 +66,9 @@
 		#if (ARCH == ARCH_AVR8)
 			#include "AVR8/USBController_AVR8.h"
 		#elif (ARCH == ARCH_UC3)
-			#include "UC3/USBController_UC3.h"	
+			#include "UC3/USBController_UC3.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include "XMEGA/USBController_XMEGA.h"	
 		#endif
 
 	/* Disable C linkage for C++ Compilers: */

LUFA/Drivers/USB/Core/USBInterrupt.h

@@ -60,6 +60,8 @@
 			#include "AVR8/USBInterrupt_AVR8.h"
 		#elif (ARCH == ARCH_UC3)
 			#include "UC3/USBInterrupt_UC3.h"
+		#elif (ARCH == ARCH_XMEGA)
+			#include "XMEGA/USBInterrupt_XMEGA.h"	
 		#endif
 
 	/* Disable C linkage for C++ Compilers: */

LUFA/Drivers/USB/Core/USBMode.h

@@ -174,6 +174,19 @@
 				#define USB_SERIES_UC3B1_AVR32
 				#define USB_CAN_BE_DEVICE
 				#define USB_CAN_BE_HOST
+			#elif (defined(__AVR_ATxmega128A1U__))
+				#define USB_SERIES_A1U_XMEGA
+				#define USB_CAN_BE_DEVICE
+			#elif (defined(__AVR_ATxmega16A4U__) || defined(__AVR_ATxmega32A4U__))
+				#define USB_SERIES_A4U_XMEGA
+				#define USB_CAN_BE_DEVICE
+			#elif (defined(__AVR_ATxmega64A3U__) || defined(__AVR_ATxmega128A3U__) || \
+			       defined(__AVR_ATxmega192A3U__) || defined(__AVR_ATxmega256A3U__))
+				#define USB_SERIES_A3U_XMEGA
+				#define USB_CAN_BE_DEVICE
+			#elif (defined(__AVR_ATxmega256A3BU__))
+				#define USB_SERIES_A3BU_XMEGA
+				#define USB_CAN_BE_DEVICE
 			#endif
 			
 			#if (defined(USB_CAN_BE_DEVICE) && defined(USB_CAN_BE_HOST))

LUFA/Drivers/USB/Core/XMEGA/Device_XMEGA.c

@@ -0,0 +1,44 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "../Device.h"
+
+void USB_Device_SendRemoteWakeup(void)
+{
+	// TODO
+}
+
+#endif
+

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

@@ -0,0 +1,215 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief USB Device definitions for the AVR XMEGA microcontrollers.
+ *  \copydetails Group_Device_XMEGA
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_Device
+ *  \defgroup Group_Device_XMEGA Device Management (XMEGA)
+ *  \brief USB Device definitions for the AVR XMEGA microcontrollers.
+ *
+ *  Architecture specific USB Device definitions for the Atmel AVR XMEGA microcontrollers.
+ *
+ *  @{
+ */
+
+#ifndef __USBDEVICE_XMEGA_H__
+#define __USBDEVICE_XMEGA_H__
+
+	/* Includes: */
+		#include "../../../../Common/Common.h"
+		#include "../StdDescriptors.h"
+		#include "../USBInterrupt.h"
+		#include "../Endpoint.h"
+		
+	/* Enable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			extern "C" {
+		#endif
+
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
+		#if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))
+			#error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
+		#endif
+
+	/* Public Interface - May be used in end-application: */
+		/* Macros: */
+			/** \name USB Device Mode Option Masks */
+			//@{
+			/** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the
+			 *  USB interface should be initialized in low speed (1.5Mb/s) mode.
+			 *
+			 *  \note Low Speed mode is not available on all USB AVR models.
+			 *        \n
+			 *
+			 *  \note Restrictions apply on the number, size and type of endpoints which can be used
+			 *        when running in low speed mode - refer to the USB 2.0 specification.
+			 */
+			#define USB_DEVICE_OPT_LOWSPEED            (1 << 0)
+
+			/** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the
+			 *  USB interface should be initialized in full speed (12Mb/s) mode.
+			 */
+			#define USB_DEVICE_OPT_FULLSPEED               (0 << 0)
+			//@}
+			
+			/** String descriptor index for the device's unique serial number string descriptor within the device.
+			 *  This unique serial number is used by the host to associate resources to the device (such as drivers or COM port
+			 *  number allocations) to a device regardless of the port it is plugged in to on the host. Some microcontrollers contain
+			 *  a unique serial number internally, and setting the device descriptors serial number string index to this value
+			 *  will cause it to use the internal serial number.
+			 *
+			 *  On unsupported devices, this will evaluate to \ref NO_DESCRIPTOR and so will force the host to create a pseudo-serial
+			 *  number for the device.
+			 */
+			#define USE_INTERNAL_SERIAL            NO_DESCRIPTOR
+
+			/** Length of the device's unique internal serial number, in bits, if present on the selected microcontroller
+			 *  model.
+			 */
+			#define INTERNAL_SERIAL_LENGTH_BITS    0
+			
+			/** Start address of the internal serial number, in the appropriate address space, if present on the selected microcontroller
+			 *  model.
+			 */
+			#define INTERNAL_SERIAL_START_ADDRESS  0			
+			
+		/* Function Prototypes: */
+			/** Sends a Remote Wakeup request to the host. This signals to the host that the device should
+			 *  be taken out of suspended mode, and communications should resume.
+			 *
+			 *  Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the
+			 *  host computer when the host has suspended all USB devices to enter a low power state.
+			 *
+			 *  \note This macro should only be used if the device has indicated to the host that it
+			 *        supports the Remote Wakeup feature in the device descriptors, and should only be
+			 *        issued if the host is currently allowing remote wakeup events from the device (i.e.,
+			 *        the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP
+			 *        compile time option is used, this macro is unavailable.
+			 *        \n\n
+			 *
+			 *  \note The USB clock must be running for this function to operate. If the stack is initialized with
+			 *        the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running
+			 *        before attempting to call this function.
+			 *
+			 *  \see \ref Group_StdDescriptors for more information on the RMWAKEUP feature and device descriptors.
+			 */
+			void USB_Device_SendRemoteWakeup(void);
+
+		/* Inline Functions: */
+			/** Returns the current USB frame number, when in device mode. Every millisecond the USB bus is active (i.e. enumerated to a host)
+			 *  the frame number is incremented by one.
+			 */
+			static inline uint16_t USB_Device_GetFrameNumber(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline uint16_t USB_Device_GetFrameNumber(void)
+			{
+				return 0; // TODO
+			}
+
+			#if !defined(NO_SOF_EVENTS)
+			/** Enables the device mode Start Of Frame events. When enabled, this causes the
+			 *  \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus,
+			 *  at the start of each USB frame when enumerated in device mode.
+			 *
+			 *  \note Not available when the \c NO_SOF_EVENTS compile time token is defined.
+			 */
+			static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Device_EnableSOFEvents(void)
+			{
+				// TODO
+			}
+
+			/** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the
+			 *  \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode.
+			 *
+			 *  \note Not available when the \c NO_SOF_EVENTS compile time token is defined.
+			 */
+			static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Device_DisableSOFEvents(void)
+			{
+				// TODO
+			}
+			#endif
+
+	/* Private Interface - For use in library only: */
+	#if !defined(__DOXYGEN__)
+		/* Inline Functions: */
+			static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Device_SetLowSpeed(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Device_SetFullSpeed(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE;
+			static inline void USB_Device_SetDeviceAddress(const uint8_t Address)
+			{
+				// TODO
+			}
+
+			static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline bool USB_Device_IsAddressSet(void)
+			{
+				return false; // TODO
+			}
+		
+			#if (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
+			static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString) ATTR_NON_NULL_PTR_ARG(1);
+			static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString)
+			{
+				// TODO
+			}
+			#endif
+
+	#endif
+
+	/* Disable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			}
+		#endif
+
+#endif
+
+/** @} */
+

LUFA/Drivers/USB/Core/XMEGA/EndpointStream_XMEGA.c

@@ -0,0 +1,201 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+              
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this 
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in 
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting 
+  documentation, and that the name of the author not be used in 
+  advertising or publicity pertaining to distribution of the 
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "EndpointStream_XMEGA.h"
+
+#if !defined(CONTROL_ONLY_DEVICE)
+uint8_t Endpoint_Discard_Stream(uint16_t Length,
+                                uint16_t* const BytesProcessed)
+{
+	return 0; // TODO
+}
+
+uint8_t Endpoint_Null_Stream(uint16_t Length,
+                             uint16_t* const BytesProcessed)
+{
+	return 0; // TODO
+}
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_LE
+#define  TEMPLATE_BUFFER_TYPE                      const void*
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(*BufferPtr)
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_BE
+#define  TEMPLATE_BUFFER_TYPE                      const void*
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(*BufferPtr)
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_LE
+#define  TEMPLATE_BUFFER_TYPE                      void*
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Endpoint_Read_8()
+#include "Template/Template_Endpoint_RW.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Stream_BE
+#define  TEMPLATE_BUFFER_TYPE                      void*
+#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Endpoint_Read_8()
+#include "Template/Template_Endpoint_RW.c"
+
+#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE)
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_LE
+	#define  TEMPLATE_BUFFER_TYPE                      const void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(pgm_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_RW.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_PStream_BE
+	#define  TEMPLATE_BUFFER_TYPE                      const void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(pgm_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_RW.c"
+#endif
+
+#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE)
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_LE
+	#define  TEMPLATE_BUFFER_TYPE                      const void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(eeprom_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_RW.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_EStream_BE
+	#define  TEMPLATE_BUFFER_TYPE                      const void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearIN()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(eeprom_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_RW.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_LE
+	#define  TEMPLATE_BUFFER_TYPE                      void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Endpoint_Read_8())
+	#include "Template/Template_Endpoint_RW.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_EStream_BE
+	#define  TEMPLATE_BUFFER_TYPE                      void*
+	#define  TEMPLATE_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Endpoint_Read_8())
+	#include "Template/Template_Endpoint_RW.c"
+#endif
+
+#endif
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_Stream_LE
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(*BufferPtr)
+#include "Template/Template_Endpoint_Control_W.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_Stream_BE
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(*BufferPtr)
+#include "Template/Template_Endpoint_Control_W.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_Stream_LE
+#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Endpoint_Read_8()
+#include "Template/Template_Endpoint_Control_R.c"
+
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_Stream_BE
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Endpoint_Read_8()
+#include "Template/Template_Endpoint_Control_R.c"
+
+#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE)
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_PStream_LE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(pgm_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_Control_W.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_PStream_BE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(pgm_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_Control_W.c"
+#endif
+
+#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE)
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_EStream_LE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(eeprom_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_Control_W.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Control_EStream_BE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_8(eeprom_read_byte(BufferPtr))
+	#include "Template/Template_Endpoint_Control_W.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_EStream_LE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            0
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr += Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Endpoint_Read_8())
+	#include "Template/Template_Endpoint_Control_R.c"
+
+	#define  TEMPLATE_FUNC_NAME                        Endpoint_Read_Control_EStream_BE
+	#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)
+	#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   BufferPtr -= Amount
+	#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Endpoint_Read_8())
+	#include "Template/Template_Endpoint_Control_R.c"
+#endif
+
+#endif

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

@@ -0,0 +1,648 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+              
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this 
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in 
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting 
+  documentation, and that the name of the author not be used in 
+  advertising or publicity pertaining to distribution of the 
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief Endpoint data stream transmission and reception management for the AVR XMEGA microcontrollers.
+ *  \copydetails Group_EndpointStreamRW_XMEGA
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_EndpointStreamRW
+ *  \defgroup Group_EndpointStreamRW_XMEGA Read/Write of Multi-Byte Streams (XMEGA)
+ *  \brief Endpoint data stream transmission and reception management for the Atmel AVR XMEGA architecture.
+ *
+ *  Functions, macros, variables, enums and types related to data reading and writing of data streams from
+ *  and to endpoints.
+ *
+ *  @{
+ */ 
+
+#ifndef __ENDPOINT_STREAM_XMEGA_H__
+#define __ENDPOINT_STREAM_XMEGA_H__
+
+	/* Includes: */
+		#include "../../../../Common/Common.h"
+		#include "../USBMode.h"		
+		#include "../USBTask.h"
+		
+	/* Enable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			extern "C" {
+		#endif
+
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
+	/* Public Interface - May be used in end-application: */
+		/* Function Prototypes: */
+			/** \name Stream functions for null data */
+			//@{
+
+			/** Reads and discards the given number of bytes from the currently selected endpoint's bank,
+			 *  discarding fully read packets from the host as needed. The last packet is not automatically
+			 *  discarded once the remaining bytes has been read; the user is responsible for manually
+			 *  discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro.
+			 *
+			 *  If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once,
+			 *  failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid
+			 *  storage location, the transfer will instead be performed as a series of chunks. Each time
+			 *  the endpoint bank becomes empty while there is still data to process (and after the current
+			 *  packet has been acknowledged) the BytesProcessed location will be updated with the total number
+			 *  of bytes processed in the stream, and the function will exit with an error code of
+			 *  \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed
+			 *  in the user code - to continue the transfer, call the function again with identical parameters
+			 *  and it will resume until the BytesProcessed value reaches the total transfer length.
+			 *
+			 *  <b>Single Stream Transfer Example:</b>
+			 *  \code
+			 *  uint8_t ErrorCode;
+			 *
+			 *  if ((ErrorCode = Endpoint_Discard_Stream(512, NULL)) != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *       // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  <b>Partial Stream Transfers Example:</b>
+			 *  \code
+			 *  uint8_t  ErrorCode;
+			 *  uint16_t BytesProcessed;
+			 *
+			 *  BytesProcessed = 0;
+			 *  while ((ErrorCode = Endpoint_Discard_Stream(512, &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+			 *  {
+			 *      // Stream not yet complete - do other actions here, abort if required
+			 *  }
+			 *
+			 *  if (ErrorCode != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *      // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[in] Length          Number of bytes to discard via the currently selected endpoint.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Discard_Stream(uint16_t Length,
+			                                uint16_t* const BytesProcessed);
+
+			/** Writes a given number of zeroed bytes to the currently selected endpoint's bank, sending
+			 *  full packets to the host as needed. The last packet is not automatically sent once the 
+			 *  remaining bytes have been written; the user is responsible for manually sending the last
+			 *  packet to the host via the \ref Endpoint_ClearIN() macro.
+			 *
+			 *  If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once,
+			 *  failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid
+			 *  storage location, the transfer will instead be performed as a series of chunks. Each time
+			 *  the endpoint bank becomes full while there is still data to process (and after the current
+			 *  packet transmission has been initiated) the BytesProcessed location will be updated with the
+			 *  total number of bytes processed in the stream, and the function will exit with an error code of
+			 *  \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed
+			 *  in the user code - to continue the transfer, call the function again with identical parameters
+			 *  and it will resume until the BytesProcessed value reaches the total transfer length.
+			 *
+			 *  <b>Single Stream Transfer Example:</b>
+			 *  \code
+			 *  uint8_t ErrorCode;
+			 *
+			 *  if ((ErrorCode = Endpoint_Null_Stream(512, NULL)) != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *       // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  <b>Partial Stream Transfers Example:</b>
+			 *  \code
+			 *  uint8_t  ErrorCode;
+			 *  uint16_t BytesProcessed;
+			 *
+			 *  BytesProcessed = 0;
+			 *  while ((ErrorCode = Endpoint_Null_Stream(512, &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+			 *  {
+			 *      // Stream not yet complete - do other actions here, abort if required
+			 *  }
+			 *
+			 *  if (ErrorCode != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *      // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[in] Length          Number of zero bytes to send via the currently selected endpoint.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Null_Stream(uint16_t Length,
+			                             uint16_t* const BytesProcessed);
+
+			//@}
+
+			/** \name Stream functions for RAM source/destination data */
+			//@{
+		
+			/** Writes the given number of bytes to the endpoint from the given buffer in little endian,
+			 *  sending full packets to the host as needed. The last packet filled is not automatically sent;
+			 *  the user is responsible for manually sending the last written packet to the host via the
+			 *  \ref Endpoint_ClearIN() macro.
+			 *
+			 *  If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once,
+			 *  failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid
+			 *  storage location, the transfer will instead be performed as a series of chunks. Each time
+			 *  the endpoint bank becomes full while there is still data to process (and after the current
+			 *  packet transmission has been initiated) the BytesProcessed location will be updated with the
+			 *  total number of bytes processed in the stream, and the function will exit with an error code of
+			 *  \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed
+			 *  in the user code - to continue the transfer, call the function again with identical parameters
+			 *  and it will resume until the BytesProcessed value reaches the total transfer length.
+			 *
+			 *  <b>Single Stream Transfer Example:</b>
+			 *  \code
+			 *  uint8_t DataStream[512];
+			 *  uint8_t ErrorCode;
+			 *
+			 *  if ((ErrorCode = Endpoint_Write_Stream_LE(DataStream, sizeof(DataStream),
+			 *                                            NULL)) != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *       // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  <b>Partial Stream Transfers Example:</b>
+			 *  \code
+			 *  uint8_t  DataStream[512];
+			 *  uint8_t  ErrorCode;
+			 *  uint16_t BytesProcessed;
+			 *
+			 *  BytesProcessed = 0;
+			 *  while ((ErrorCode = Endpoint_Write_Stream_LE(DataStream, sizeof(DataStream),
+			 *                                               &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+			 *  {
+			 *      // Stream not yet complete - do other actions here, abort if required
+			 *  }
+			 *
+			 *  if (ErrorCode != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *      // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Stream_LE(const void* const Buffer,
+			                                 uint16_t Length,
+			                                 uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** Writes the given number of bytes to the endpoint from the given buffer in big endian,
+			 *  sending full packets to the host as needed. The last packet filled is not automatically sent;
+			 *  the user is responsible for manually sending the last written packet to the host via the
+			 *  \ref Endpoint_ClearIN() macro.
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Stream_BE(const void* const Buffer,
+			                                 uint16_t Length,
+			                                 uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+			
+			/** Reads the given number of bytes from the endpoint from the given buffer in little endian,
+			 *  discarding fully read packets from the host as needed. The last packet is not automatically
+			 *  discarded once the remaining bytes has been read; the user is responsible for manually
+			 *  discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro.
+			 *
+			 *  If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once,
+			 *  failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid
+			 *  storage location, the transfer will instead be performed as a series of chunks. Each time
+			 *  the endpoint bank becomes empty while there is still data to process (and after the current
+			 *  packet has been acknowledged) the BytesProcessed location will be updated with the total number
+			 *  of bytes processed in the stream, and the function will exit with an error code of
+			 *  \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed
+			 *  in the user code - to continue the transfer, call the function again with identical parameters
+			 *  and it will resume until the BytesProcessed value reaches the total transfer length.
+			 *
+			 *  <b>Single Stream Transfer Example:</b>
+			 *  \code
+			 *  uint8_t DataStream[512];
+			 *  uint8_t ErrorCode;
+			 *
+			 *  if ((ErrorCode = Endpoint_Read_Stream_LE(DataStream, sizeof(DataStream),
+			 *                                           NULL)) != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *       // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  <b>Partial Stream Transfers Example:</b>
+			 *  \code
+			 *  uint8_t  DataStream[512];
+			 *  uint8_t  ErrorCode;
+			 *  uint16_t BytesProcessed;
+			 *
+			 *  BytesProcessed = 0;
+			 *  while ((ErrorCode = Endpoint_Read_Stream_LE(DataStream, sizeof(DataStream),
+			 *                                              &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+			 *  {
+			 *      // Stream not yet complete - do other actions here, abort if required
+			 *  }
+			 *
+			 *  if (ErrorCode != ENDPOINT_RWSTREAM_NoError)
+			 *  {
+			 *      // Stream failed to complete - check ErrorCode here
+			 *  }
+			 *  \endcode
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[out] Buffer          Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length          Number of bytes to send via the currently selected endpoint.
+			 *  \param[in]  BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                              transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Stream_LE(void* const Buffer,
+			                                uint16_t Length,
+			                                uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** Reads the given number of bytes from the endpoint from the given buffer in big endian,
+			 *  discarding fully read packets from the host as needed. The last packet is not automatically
+			 *  discarded once the remaining bytes has been read; the user is responsible for manually
+			 *  discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro.
+			 *
+			 *  \note This routine should not be used on CONTROL type endpoints.
+			 *
+			 *  \param[out] Buffer          Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length          Number of bytes to send via the currently selected endpoint.
+			 *  \param[in]  BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                              transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Stream_BE(void* const Buffer,
+			                                uint16_t Length,
+			                                uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** 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
+			 *  finalize the transfer via the \ref Endpoint_ClearOUT() macro.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_Stream_LE(const void* const Buffer,
+			                                         uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big 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
+			 *  finalize the transfer via the \ref Endpoint_ClearOUT() macro.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_Stream_BE(const void* const Buffer,
+			                                         uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian,
+			 *  discarding fully read packets from the host as needed. The device IN acknowledgement is not
+			 *  automatically sent after success or failure states; the user is responsible for manually sending the
+			 *  setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length  Number of bytes to send via the currently selected endpoint.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Control_Stream_LE(void* const Buffer,
+			                                        uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian,
+			 *  discarding fully read packets from the host as needed. The device IN acknowledgement is not
+			 *  automatically sent after success or failure states; the user is responsible for manually sending the
+			 *  setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length  Number of bytes to send via the currently selected endpoint.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Control_Stream_BE(void* const Buffer,
+			                                        uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+			//@}
+
+			/** \name Stream functions for EEPROM source/destination data */
+			//@{
+
+			/** EEPROM buffer source version of \ref Endpoint_Write_Stream_LE().
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_EStream_LE(const void* const Buffer,
+			                                  uint16_t Length,
+			                                  uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer source version of \ref Endpoint_Write_Stream_BE().
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_EStream_BE(const void* const Buffer,
+			                                  uint16_t Length,
+			                                  uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer destination version of \ref Endpoint_Read_Stream_LE().
+			 *
+			 *  \param[out] Buffer          Pointer to the destination data buffer to write to, located in EEPROM memory space.
+			 *  \param[in]  Length          Number of bytes to send via the currently selected endpoint.
+			 *  \param[in]  BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                              transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_EStream_LE(void* const Buffer,
+			                                 uint16_t Length,
+			                                 uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer destination version of \ref Endpoint_Read_Stream_BE().
+			 *
+			 *  \param[out] Buffer          Pointer to the destination data buffer to write to, located in EEPROM memory space.
+			 *  \param[in]  Length          Number of bytes to send via the currently selected endpoint.
+			 *  \param[in]  BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                              transaction should be updated, \c NULL if the entire stream should be read at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_EStream_BE(void* const Buffer,
+			                                 uint16_t Length,
+			                                 uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer source version of Endpoint_Write_Control_Stream_LE.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_EStream_LE(const void* const Buffer,
+			                                          uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer source version of \ref Endpoint_Write_Control_Stream_BE().
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_EStream_BE(const void* const Buffer,
+			                                          uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_LE().
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length  Number of bytes to send via the currently selected endpoint.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Control_EStream_LE(void* const Buffer,
+			                                         uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_BE().
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
+			 *  \param[in]  Length  Number of bytes to send via the currently selected endpoint.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Read_Control_EStream_BE(void* const Buffer,
+			                                         uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+			//@}
+
+			/** \name Stream functions for PROGMEM source/destination data */
+			//@{
+
+			/** FLASH buffer source version of \ref Endpoint_Write_Stream_LE().
+			 *
+			 *  \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_PStream_LE(const void* const Buffer,
+			                                  uint16_t Length,
+			                                  uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** FLASH buffer source version of \ref Endpoint_Write_Stream_BE().
+			 *
+			 *  \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
+			 *
+			 *  \param[in] Buffer          Pointer to the source data buffer to read from.
+			 *  \param[in] Length          Number of bytes to read for the currently selected endpoint into the buffer.
+			 *  \param[in] BytesProcessed  Pointer to a location where the total number of bytes processed in the current
+			 *                             transaction should be updated, \c NULL if the entire stream should be written at once.
+			 *
+			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_PStream_BE(const void* const Buffer,
+			                                  uint16_t Length,
+			                                  uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_LE().
+			 *
+			 *  \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_PStream_LE(const void* const Buffer,
+			                                          uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+
+			/** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_BE().
+			 *
+			 *  \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
+			 *
+			 *  \note This function automatically clears the control transfer's status stage. Do not manually attempt
+			 *        to clear the status stage when using this routine in a control transaction.
+			 *        \n\n
+			 *
+			 *  \note This routine should only be used on CONTROL type endpoints.
+			 *        \n\n
+			 *
+			 *  \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
+			 *           together; i.e. the entire stream data must be read or written at the one time.
+			 *
+			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
+			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
+			 *
+			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_Write_Control_PStream_BE(const void* const Buffer,
+			                                          uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
+			//@}
+
+	/* Disable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			}
+		#endif
+		
+#endif
+
+/** @} */
+

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

@@ -0,0 +1,67 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "../Endpoint.h"
+
+#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
+#endif
+
+bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
+                                    const uint8_t UECFG0XData,
+                                    const uint8_t UECFG1XData)
+{
+	// TODO
+}
+
+void Endpoint_ClearEndpoints(void)
+{
+	// TODO
+}
+
+void Endpoint_ClearStatusStage(void)
+{
+	// TODO
+}
+
+#if !defined(CONTROL_ONLY_DEVICE)
+uint8_t Endpoint_WaitUntilReady(void)
+{
+	return 0; // TODO
+}
+#endif
+
+#endif
+

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

@@ -0,0 +1,787 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief USB Endpoint definitions for the AVR XMEGA microcontrollers.
+ *  \copydetails Group_EndpointManagement_XMEGA
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_EndpointRW
+ *  \defgroup Group_EndpointRW_XMEGA Endpoint Data Reading and Writing (XMEGA)
+ *  \brief Endpoint data read/write definitions for the Atmel AVR XMEGA architecture.
+ *
+ *  Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
+ */
+
+/** \ingroup Group_EndpointPrimitiveRW
+ *  \defgroup Group_EndpointPrimitiveRW_XMEGA Read/Write of Primitive Data Types (XMEGA)
+ *  \brief Endpoint primitive read/write definitions for the Atmel AVR XMEGA architecture.
+ *
+ *  Functions, macros, variables, enums and types related to data reading and writing of primitive data types
+ *  from and to endpoints.
+ */
+
+/** \ingroup Group_EndpointPacketManagement
+ *  \defgroup Group_EndpointPacketManagement_XMEGA Endpoint Packet Management (XMEGA)
+ *  \brief Endpoint packet management definitions for the Atmel AVR XMEGA architecture.
+ *
+ *  Functions, macros, variables, enums and types related to packet management of endpoints.
+ */
+
+/** \ingroup Group_EndpointManagement
+ *  \defgroup Group_EndpointManagement_XMEGA Endpoint Management (XMEGA)
+ *  \brief Endpoint management definitions for the Atmel AVR XMEGA architecture.
+ *
+ *  Functions, macros and enums related to endpoint management when in USB Device mode. This
+ *  module contains the endpoint management macros, as well as endpoint interrupt and data
+ *  send/receive functions for various data types.
+ *
+ *  @{
+ */
+
+#ifndef __ENDPOINT_XMEGA_H__
+#define __ENDPOINT_XMEGA_H__
+
+	/* Includes: */
+		#include "../../../../Common/Common.h"
+		#include "../USBTask.h"
+		#include "../USBInterrupt.h"
+
+	/* Enable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			extern "C" {
+		#endif
+
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
+	/* Private Interface - For use in library only: */
+	#if !defined(__DOXYGEN__)
+		/* Macros: */
+			#define _ENDPOINT_GET_MAXSIZE(EPIndex)         _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex)
+			#define _ENDPOINT_GET_MAXSIZE2(EPDetails)      _ENDPOINT_GET_MAXSIZE3(EPDetails)
+			#define _ENDPOINT_GET_MAXSIZE3(MaxSize, Banks) (MaxSize)
+
+			#define _ENDPOINT_GET_BANKS(EPIndex)           _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex)
+			#define _ENDPOINT_GET_BANKS2(EPDetails)        _ENDPOINT_GET_BANKS3(EPDetails)
+			#define _ENDPOINT_GET_BANKS3(MaxSize, Banks)   (Banks)
+
+			#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+				#define ENDPOINT_DETAILS_MAXEP             7
+
+				#define ENDPOINT_DETAILS_EP0               64,  1
+				#define ENDPOINT_DETAILS_EP1               256, 2
+				#define ENDPOINT_DETAILS_EP2               64,  2
+				#define ENDPOINT_DETAILS_EP3               64,  2
+				#define ENDPOINT_DETAILS_EP4               64,  2
+				#define ENDPOINT_DETAILS_EP5               64,  2
+				#define ENDPOINT_DETAILS_EP6               64,  2
+			#else
+				#define ENDPOINT_DETAILS_MAXEP             5
+
+				#define ENDPOINT_DETAILS_EP0               64,  1
+				#define ENDPOINT_DETAILS_EP1               64,  1
+				#define ENDPOINT_DETAILS_EP2               64,  1
+				#define ENDPOINT_DETAILS_EP3               64,  2
+				#define ENDPOINT_DETAILS_EP4               64,  2
+			#endif
+
+		/* Inline Functions: */
+			static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST
+			                                                                       ATTR_ALWAYS_INLINE;
+			static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
+			{
+				return 0; // TODO
+			}
+
+		/* Function Prototypes: */
+			void Endpoint_ClearEndpoints(void);
+			bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
+			                                    const uint8_t UECFG0XData,
+			                                    const uint8_t UECFG1XData);
+
+	#endif
+
+	/* 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.
+			 */
+			#define ENDPOINT_DIR_OUT                        (0 << EPDIR)
+
+			/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
+			 *  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
+			 *  bank at the one time.
+			 */
+			#define ENDPOINT_BANK_SINGLE                    (0 << EPBK0)
+
+			/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
+			 *  that the endpoint should have two banks, which requires more USB FIFO memory but results
+			 *  in faster transfers as one USB device (the AVR or the host) can access one bank while the other
+			 *  accesses the second bank.
+			 */
+			#define ENDPOINT_BANK_DOUBLE                    (1 << EPBK0)
+			//@}
+
+			#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
+				/** Default size of the default control endpoint's bank, until altered by the control endpoint bank size
+				 *  value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined.
+				 */
+				#define ENDPOINT_CONTROLEP_DEFAULT_SIZE     8
+			#endif
+
+			/** Retrieves the maximum bank size in bytes of a given endpoint.
+			 *
+			 *  \note This macro will only work correctly on endpoint indexes that are compile-time constants
+			 *        defined by the preprocessor.
+			 *
+			 *  \param[in] EPIndex  Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1)
+			 */
+			#define ENDPOINT_MAX_SIZE(EPIndex)              _ENDPOINT_GET_MAXSIZE(EPIndex)
+
+			/** Retrieves the total number of banks supported by the given endpoint.
+			 *
+			 *  \note This macro will only work correctly on endpoint indexes that are compile-time constants
+			 *        defined by the preprocessor.
+			 *
+			 *  \param[in] EPIndex  Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1)
+			 */
+			#define ENDPOINT_BANKS_SUPPORTED(EPIndex)       _ENDPOINT_GET_BANKS(EPIndex)
+
+			#if !defined(CONTROL_ONLY_DEVICE) || 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,
+				 *  this value reflects the maximum number of endpoints for the currently selected AVR model.
+				 */
+				#define ENDPOINT_TOTAL_ENDPOINTS            ENDPOINT_DETAILS_MAXEP
+			#else
+				#define ENDPOINT_TOTAL_ENDPOINTS            1
+			#endif
+
+		/* Enums: */
+			/** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function.
+			 *
+			 *  \ingroup Group_EndpointRW_XMEGA
+			 */
+			enum Endpoint_WaitUntilReady_ErrorCodes_t
+			{
+				ENDPOINT_READYWAIT_NoError                 = 0, /**< Endpoint is ready for next packet, no error. */
+				ENDPOINT_READYWAIT_EndpointStalled         = 1, /**< The endpoint was stalled during the stream
+				                                                 *   transfer by the host or device.
+				                                                 */
+				ENDPOINT_READYWAIT_DeviceDisconnected      = 2,	/**< Device was disconnected from the host while
+				                                                 *   waiting for the endpoint to become ready.
+				                                                 */
+				ENDPOINT_READYWAIT_BusSuspended            = 3, /**< The USB bus has been suspended by the host and
+				                                                 *   no USB endpoint traffic can occur until the bus
+				                                                 *   has resumed.
+				                                                 */
+				ENDPOINT_READYWAIT_Timeout                 = 4, /**< The host failed to accept or send the next packet
+				                                                 *   within the software timeout period set by the
+				                                                 *   \ref USB_STREAM_TIMEOUT_MS macro.
+				                                                 */
+			};
+
+		/* Inline Functions: */
+			/** Configures the specified endpoint number with the given endpoint type, direction, bank size
+			 *  and banking mode. Once configured, the endpoint may be read from or written to, depending
+			 *  on its direction.
+			 *
+			 *  \param[in] Number     Endpoint number to configure. This must be more than 0 and less than
+			 *                        \ref ENDPOINT_TOTAL_ENDPOINTS.
+			 *
+			 *  \param[in] Type       Type of endpoint to configure, a \c EP_TYPE_* mask. Not all endpoint types
+			 *                        are available on Low Speed USB devices - refer to the USB 2.0 specification.
+			 *
+			 *  \param[in] Direction  Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN.
+			 *                        All endpoints (except Control type) are unidirectional - data may only be read
+			 *                        from or written to the endpoint bank based on its direction, not both.
+			 *
+			 *  \param[in] Size       Size of the endpoint's bank, where packets are stored before they are transmitted
+			 *                        to the USB host, or after they have been received from the USB host (depending on
+			 *                        the endpoint's data direction). The bank size must indicate the maximum packet size
+			 *                        that the endpoint can handle.
+			 *
+			 *  \param[in] Banks      Number of banks to use for the endpoint being configured, an \c ENDPOINT_BANK_* mask.
+			 *                        More banks uses more USB DPRAM, but offers better performance. Isochronous type
+			 *                        endpoints <b>must</b> have at least two banks.
+			 *
+			 *  \note When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in
+			 *        ascending order, or bank corruption will occur.
+			 *        \n\n
+			 *
+			 *  \note Different endpoints may have different maximum packet sizes based on the endpoint's index - refer to
+			 *        the chosen microcontroller model's datasheet to determine the maximum bank size for each endpoint.
+			 *        \n\n
+			 *
+			 *  \note The default control endpoint should not be manually configured by the user application, as
+			 *        it is automatically configured by the library internally.
+			 *        \n\n
+			 *
+			 *  \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint
+			 *        which failed to reconfigure correctly will be selected.
+			 *
+			 *  \return Boolean \c true if the configuration succeeded, \c false otherwise.
+			 */
+			static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number,
+			                                              const uint8_t Type,
+			                                              const uint8_t Direction,
+			                                              const uint16_t Size,
+			                                              const uint8_t Banks) ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number,
+			                                              const uint8_t Type,
+			                                              const uint8_t Direction,
+			                                              const uint16_t Size,
+			                                              const uint8_t Banks)
+			{
+				return 0; // TODO
+			}
+
+			/** Indicates the number of bytes currently stored in the current endpoint's selected bank.
+			 *
+			 *  \note The return width of this function may differ, depending on the maximum endpoint bank size
+			 *        of the selected AVR model.
+			 *
+			 *  \ingroup Group_EndpointRW_XMEGA
+			 *
+			 *  \return Total number of bytes in the currently selected Endpoint's FIFO buffer.
+			 */
+			static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint16_t Endpoint_BytesInEndpoint(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Get the endpoint address of the currently selected endpoint. This is typically used to save
+			 *  the currently selected endpoint number so that it can be restored after another endpoint has
+			 *  been manipulated.
+			 *
+			 *  \return Index of the currently selected endpoint.
+			 */
+			static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint8_t Endpoint_GetCurrentEndpoint(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Selects the given endpoint number. If the address from the device descriptors is used, the
+			 *  value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint
+			 *  number (and discarding the endpoint direction bit).
+			 *
+			 *  Any endpoint operations which do not require the endpoint number to be indicated will operate on
+			 *  the currently selected endpoint.
+			 *
+			 *  \param[in] EndpointNumber Endpoint number to select.
+			 */
+			static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber)
+			{
+				// TODO
+			}
+
+			/** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's
+			 *  data In and Out pointers to the bank's contents.
+			 *
+			 *  \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset.
+			 */
+			static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber)
+			{
+				// TODO
+			}
+
+			/** 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
+			}
+
+			/** 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.
+			 */
+			static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsEnabled(void)
+			{
+				return 0; // TODO
+			}
+
+			/** 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
+			 *  packet.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 */
+			static inline void Endpoint_AbortPendingIN(void)
+			{
+				// TODO
+			}
+
+			/** 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
+			 *  is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN
+			 *  direction and the endpoint bank is full.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \return Boolean \c true if the currently selected endpoint may be read from or written to, depending
+			 *          on its direction.
+			 */
+			static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsReadWriteAllowed(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Determines if the currently selected endpoint is configured.
+			 *
+			 *  \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise.
+			 */
+			static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsConfigured(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their
+			 *  interrupt duration has elapsed. Which endpoints have interrupted can be determined by
+			 *  masking the return value against <tt>(1 << <i>{Endpoint Number}</i>)</tt>.
+			 *
+			 *  \return Mask whose bits indicate which endpoints have interrupted.
+			 */
+			static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint8_t Endpoint_GetEndpointInterrupts(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type
+			 *  endpoints).
+			 *
+			 *  \param[in] EndpointNumber  Index of the endpoint whose interrupt flag should be tested.
+			 *
+			 *  \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise.
+			 */
+			static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber)
+			{
+				return 0; // TODO
+			}
+
+			/** Determines if the selected IN endpoint is ready for a new packet to be sent to the host.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise.
+			 */
+			static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsINReady(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Determines if the selected OUT endpoint has received new packet from the host.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise.
+			 */
+			static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsOUTReceived(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Determines if the current CONTROL type endpoint has received a SETUP packet.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise.
+			 */
+			static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsSETUPReceived(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
+			 *  endpoint for the next packet.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \note This is not applicable for non CONTROL type endpoints.
+			 */
+			static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ClearSETUP(void)
+			{
+				// TODO
+			}
+
+			/** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the
+			 *  next packet and switching to the alternative endpoint bank if double banked.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 */
+			static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ClearIN(void)
+			{
+				// TODO
+			}
+
+			/** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint
+			 *  for the next packet and switching to the alternative endpoint bank if double banked.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 */
+			static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ClearOUT(void)
+			{
+				// TODO
+			}
+
+			/** Stalls the current endpoint, indicating to the host that a logical problem occurred with the
+			 *  indicated endpoint and that the current transfer sequence should be aborted. This provides a
+			 *  way for devices to indicate invalid commands to the host so that the current transfer can be
+			 *  aborted and the host can begin its own recovery sequence.
+			 *
+			 *  The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro
+			 *  is called, or the host issues a CLEAR FEATURE request to the device for the currently selected
+			 *  endpoint.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 */
+			static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_StallTransaction(void)
+			{
+				// TODO
+			}
+
+			/** Clears the STALL condition on the currently selected endpoint.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 */
+			static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ClearStall(void)
+			{
+				// TODO
+			}
+
+			/** Determines if the currently selected endpoint is stalled, false otherwise.
+			 *
+			 *  \ingroup Group_EndpointPacketManagement_XMEGA
+			 *
+			 *  \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise.
+			 */
+			static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool Endpoint_IsStalled(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Resets the data toggle of the currently selected endpoint. */
+			static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_ResetDataToggle(void)
+			{
+				// TODO
+			}
+
+			/** Determines the currently selected endpoint's direction.
+			 *
+			 *  \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask.
+			 */
+			static inline uint8_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint8_t Endpoint_GetEndpointDirection(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Sets the direction of the currently selected endpoint.
+			 *
+			 *  \param[in] DirectionMask  New endpoint direction, as a \c ENDPOINT_DIR_* mask.
+			 */
+			static inline void Endpoint_SetEndpointDirection(const uint8_t DirectionMask) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_SetEndpointDirection(const uint8_t DirectionMask)
+			{
+				// TODO
+			}
+
+			/** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \return Next byte in the currently selected endpoint's FIFO buffer.
+			 */
+			static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint8_t Endpoint_Read_8(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \param[in] Data  Data to write into the the currently selected endpoint's FIFO buffer.
+			 */
+			static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Write_8(const uint8_t Data)
+			{
+				// TODO
+			}
+
+			/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 */
+			static inline void Endpoint_Discard_8(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Discard_8(void)
+			{
+				// TODO
+			}
+
+			/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \return Next two bytes in the currently selected endpoint's FIFO buffer.
+			 */
+			static inline uint16_t Endpoint_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint16_t Endpoint_Read_16_LE(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \return Next two bytes in the currently selected endpoint's FIFO buffer.
+			 */
+			static inline uint16_t Endpoint_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint16_t Endpoint_Read_16_BE(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \param[in] Data  Data to write to the currently selected endpoint's FIFO buffer.
+			 */
+			static inline void Endpoint_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Write_16_LE(const uint16_t Data)
+			{
+				// TODO
+			}
+
+			/** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \param[in] Data  Data to write to the currently selected endpoint's FIFO buffer.
+			 */
+			static inline void Endpoint_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Write_16_BE(const uint16_t Data)
+			{
+				// TODO
+			}
+
+			/** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 */
+			static inline void Endpoint_Discard_16(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Discard_16(void)
+			{
+				// TODO
+			}
+
+			/** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \return Next four bytes in the currently selected endpoint's FIFO buffer.
+			 */
+			static inline uint32_t Endpoint_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint32_t Endpoint_Read_32_LE(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \return Next four bytes in the currently selected endpoint's FIFO buffer.
+			 */
+			static inline uint32_t Endpoint_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline uint32_t Endpoint_Read_32_BE(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \param[in] Data  Data to write to the currently selected endpoint's FIFO buffer.
+			 */
+			static inline void Endpoint_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Write_32_LE(const uint32_t Data)
+			{
+				// TODO
+			}
+
+			/** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
+			 *  direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 *
+			 *  \param[in] Data  Data to write to the currently selected endpoint's FIFO buffer.
+			 */
+			static inline void Endpoint_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Write_32_BE(const uint32_t Data)
+			{
+				// TODO
+			}
+
+			/** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
+			 *
+			 *  \ingroup Group_EndpointPrimitiveRW_XMEGA
+			 */
+			static inline void Endpoint_Discard_32(void) ATTR_ALWAYS_INLINE;
+			static inline void Endpoint_Discard_32(void)
+			{
+				// TODO
+			}
+
+		/* External Variables: */
+			/** Global indicating the maximum packet size of the default control endpoint located at address
+			 *  0 in the device. This value is set to the value indicated in the device descriptor in the user
+			 *  project once the USB interface is initialized into device mode.
+			 *
+			 *  If space is an issue, it is possible to fix this to a static value by defining the control
+			 *  endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile
+			 *  via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically
+			 *  read from the descriptors at runtime and instead fixed to the given value. When used, it is
+			 *  important that the descriptor control endpoint size value matches the size given as the
+			 *  \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token
+			 *  be used in the device descriptors to ensure this.
+			 *
+			 *  \note This variable should be treated as read-only in the user application, and never manually
+			 *        changed in value.
+			 */
+			#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
+				extern uint8_t USB_Device_ControlEndpointSize;
+			#else
+				#define USB_Device_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE
+			#endif
+
+		/* Function Prototypes: */
+			/** Completes the status stage of a control transfer on a CONTROL type endpoint automatically,
+			 *  with respect to the data direction. This is a convenience function which can be used to
+			 *  simplify user control request handling.
+			 */
+			void Endpoint_ClearStatusStage(void);
+
+			/** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data
+			 *  to be read or written to it.
+			 *
+			 *  \note This routine should not be called on CONTROL type endpoints.
+			 *
+			 *  \ingroup Group_EndpointRW_XMEGA
+			 *
+			 *  \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum.
+			 */
+			uint8_t Endpoint_WaitUntilReady(void);
+
+	/* Disable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			}
+		#endif
+
+#endif
+
+/** @} */
+

LUFA/Drivers/USB/Core/XMEGA/Host_XMEGA.c

@@ -0,0 +1,37 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#endif
+

LUFA/Drivers/USB/Core/XMEGA/PipeStream_XMEGA.c

@@ -0,0 +1,37 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+              
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this 
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in 
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting 
+  documentation, and that the name of the author not be used in 
+  advertising or publicity pertaining to distribution of the 
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#endif
+

LUFA/Drivers/USB/Core/XMEGA/Pipe_XMEGA.c

@@ -0,0 +1,37 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#endif
+

LUFA/Drivers/USB/Core/XMEGA/Template/Template_Endpoint_Control_R.c

@@ -0,0 +1,83 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#if defined(TEMPLATE_FUNC_NAME)
+
+uint8_t TEMPLATE_FUNC_NAME (void* const Buffer,
+                            uint16_t Length)
+{
+	uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+
+	if (!(Length))
+	  Endpoint_ClearOUT();
+
+	while (Length)
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+		else if (Endpoint_IsSETUPReceived())
+		  return ENDPOINT_RWCSTREAM_HostAborted;
+
+		if (Endpoint_IsOUTReceived())
+		{
+			while (Length && Endpoint_BytesInEndpoint())
+			{
+				TEMPLATE_TRANSFER_BYTE(DataStream);
+				TEMPLATE_BUFFER_MOVE(DataStream, 1);
+				Length--;
+			}
+
+			Endpoint_ClearOUT();
+		}
+	}
+
+	while (!(Endpoint_IsINReady()))
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+	}
+
+	return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_BUFFER_MOVE
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE
+
+#endif

LUFA/Drivers/USB/Core/XMEGA/Template/Template_Endpoint_Control_W.c

@@ -0,0 +1,92 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#if defined(TEMPLATE_FUNC_NAME)
+
+uint8_t TEMPLATE_FUNC_NAME (const void* const Buffer,
+                            uint16_t Length)
+{
+	uint8_t* DataStream     = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+	bool     LastPacketFull = false;
+
+	if (Length > USB_ControlRequest.wLength)
+	  Length = USB_ControlRequest.wLength;
+	else if (!(Length))
+	  Endpoint_ClearIN();
+
+	while (Length || LastPacketFull)
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+		else if (Endpoint_IsSETUPReceived())
+		  return ENDPOINT_RWCSTREAM_HostAborted;
+		else if (Endpoint_IsOUTReceived())
+		  break;
+
+		if (Endpoint_IsINReady())
+		{
+			uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+			while (Length && (BytesInEndpoint < USB_Device_ControlEndpointSize))
+			{
+				TEMPLATE_TRANSFER_BYTE(DataStream);
+				TEMPLATE_BUFFER_MOVE(DataStream, 1);
+				Length--;
+				BytesInEndpoint++;
+			}
+
+			LastPacketFull = (BytesInEndpoint == USB_Device_ControlEndpointSize);
+			Endpoint_ClearIN();
+		}
+	}
+
+	while (!(Endpoint_IsOUTReceived()))
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+	}
+
+	return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_BUFFER_MOVE
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE
+
+#endif

LUFA/Drivers/USB/Core/XMEGA/Template/Template_Endpoint_RW.c

@@ -0,0 +1,88 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#if defined(TEMPLATE_FUNC_NAME)
+
+uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer,
+                            uint16_t Length,
+                            uint16_t* const BytesProcessed)
+{
+	uint8_t* DataStream      = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+	uint16_t BytesInTransfer = 0;
+	uint8_t  ErrorCode;
+
+	if ((ErrorCode = Endpoint_WaitUntilReady()))
+	  return ErrorCode;
+
+	if (BytesProcessed != NULL)
+	{
+		Length -= *BytesProcessed;
+		TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed);
+	}
+
+	while (Length)
+	{
+		if (!(Endpoint_IsReadWriteAllowed()))
+		{
+			TEMPLATE_CLEAR_ENDPOINT();
+
+			if (BytesProcessed != NULL)
+			{
+				*BytesProcessed += BytesInTransfer;
+				return ENDPOINT_RWSTREAM_IncompleteTransfer;
+			}
+
+			#if !defined(INTERRUPT_CONTROL_ENDPOINT)
+			USB_USBTask();
+			#endif
+
+			if ((ErrorCode = Endpoint_WaitUntilReady()))
+			  return ErrorCode;
+		}
+		else
+		{
+			TEMPLATE_TRANSFER_BYTE(DataStream);
+			TEMPLATE_BUFFER_MOVE(DataStream, 1);
+			Length--;
+			BytesInTransfer++;
+		}
+	}
+
+	return ENDPOINT_RWSTREAM_NoError;
+}
+
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_BUFFER_TYPE
+#undef TEMPLATE_TRANSFER_BYTE
+#undef TEMPLATE_CLEAR_ENDPOINT
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_BUFFER_MOVE
+
+#endif

LUFA/Drivers/USB/Core/XMEGA/USBController_XMEGA.c

@@ -0,0 +1,77 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#define  __INCLUDE_FROM_USB_CONTROLLER_C
+#include "../USBController.h"
+
+#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
+volatile uint8_t USB_CurrentMode = USB_MODE_None;
+#endif
+
+#if !defined(USE_STATIC_OPTIONS)
+volatile uint8_t USB_Options;
+#endif
+
+void USB_Init(
+               #if defined(USB_CAN_BE_BOTH)
+               const uint8_t Mode
+               #endif
+
+               #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))
+               ,
+               #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
+               void
+               #endif
+
+               #if !defined(USE_STATIC_OPTIONS)
+               const uint8_t Options
+               #endif
+               )
+{
+	// TODO
+}
+
+void USB_Disable(void)
+{
+	// TODO
+}
+
+void USB_ResetInterface(void)
+{
+	// TODO
+}
+
+#if defined(USB_CAN_BE_DEVICE)
+static void USB_Init_Device(void)
+{
+	// TODO
+}
+#endif

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

@@ -0,0 +1,359 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief USB Controller definitions for the AVR XMEGA microcontrollers.
+ *  \copydetails Group_USBManagement_XMEGA
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_USBManagement
+ *  \defgroup Group_USBManagement_XMEGA USB Interface Management (XMEGA)
+ *  \brief USB Controller definitions for the AVR XMEGA microcontrollers.
+ *
+ *  Functions, macros, variables, enums and types related to the setup and management of the USB interface.
+ *
+ *  @{
+ */
+
+#ifndef __USBCONTROLLER_XMEGA_H__
+#define __USBCONTROLLER_XMEGA_H__
+
+	/* Includes: */
+		#include "../../../../Common/Common.h"
+		#include "../USBMode.h"
+		#include "../Events.h"
+		#include "../USBTask.h"
+		#include "../USBInterrupt.h"
+
+		#if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__)
+			#include "../Device.h"
+			#include "../Endpoint.h"
+			#include "../DeviceStandardReq.h"
+			#include "../EndpointStream.h"
+		#endif
+
+	/* Enable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			extern "C" {
+		#endif
+
+	/* Preprocessor Checks and Defines: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
+		#if !defined(F_USB)
+			#error F_USB is not defined. You must define F_USB to the frequency of the unprescaled USB controller clock in your project makefile.
+		#endif
+
+	/* Public Interface - May be used in end-application: */
+		/* Macros: */
+			/** \name USB Controller Option Masks */
+			//@{
+			/** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
+			 *  regulator should be disabled and the AVR's VCC level used for the data pads.
+			 *
+			 *  \note See USB AVR data sheet for more information on the internal pad regulator.
+			 */
+			#define USB_OPT_REG_DISABLED               (1 << 1)
+
+			/** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
+			 *  regulator should be enabled to regulate the data pin voltages from the VBUS level down to a level within
+			 *  the range allowable by the USB standard.
+			 *
+			 *  \note See USB AVR data sheet for more information on the internal pad regulator.
+			 */
+			#define USB_OPT_REG_ENABLED                (0 << 1)
+
+			/** Manual PLL control option mask for \ref USB_Init(). This indicates to the library that the user application
+			 *  will take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock
+			 *  that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations.
+			 */
+			#define USB_OPT_MANUAL_PLL                 (1 << 2)
+
+			/** Automatic PLL control option mask for \ref USB_Init(). This indicates to the library that the library should
+			 *  take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock
+			 *  that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations.
+			 */
+			#define USB_OPT_AUTO_PLL                   (0 << 2)
+			//@}
+			
+			/** \name Endpoint/Pipe Type Masks */
+			//@{
+			/** Mask for a CONTROL type endpoint or pipe.
+			 *
+			 *  \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
+			 */
+			#define EP_TYPE_CONTROL                    0x00
+
+			/** Mask for an ISOCHRONOUS type endpoint or pipe.
+			 *
+			 *  \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
+			 */
+			#define EP_TYPE_ISOCHRONOUS                0x01
+
+			/** Mask for a BULK type endpoint or pipe.
+			 *
+			 *  \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
+			 */
+			#define EP_TYPE_BULK                       0x02
+
+			/** Mask for an INTERRUPT type endpoint or pipe.
+			 *
+			 *  \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions.
+			 */
+			#define EP_TYPE_INTERRUPT                  0x03
+			//@}
+
+			#if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__)
+				/** Constant for the maximum software timeout period of the USB data stream transfer functions
+				 *  (both control and standard) when in either device or host mode. If the next packet of a stream
+				 *  is not received or acknowledged within this time period, the stream function will fail.
+				 *
+				 *  This value may be overridden in the user project makefile as the value of the
+				 *  \ref USB_STREAM_TIMEOUT_MS token, and passed to the compiler using the -D switch.
+				 */
+				#define USB_STREAM_TIMEOUT_MS       100
+			#endif
+
+		/* Inline Functions: */
+			/** Determines if the VBUS line is currently high (i.e. the USB host is supplying power).
+			 *
+			 *  \note This function is not available on some AVR models which do not support hardware VBUS monitoring.
+			 *
+			 *  \return Boolean \c true if the VBUS line is currently detecting power from a host, \c false otherwise.
+			 */
+			static inline bool USB_VBUS_GetStatus(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
+			static inline bool USB_VBUS_GetStatus(void)
+			{
+				return 0; // TODO
+			}
+
+			/** Detaches the device from the USB bus. This has the effect of removing the device from any
+			 *  attached host, ceasing USB communications. If no host is present, this prevents any host from
+			 *  enumerating the device once attached until \ref USB_Attach() is called.
+			 */
+			static inline void USB_Detach(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Detach(void)
+			{
+				// TODO
+			}
+
+			/** Attaches the device to the USB bus. This announces the device's presence to any attached
+			 *  USB host, starting the enumeration process. If no host is present, attaching the device
+			 *  will allow for enumeration once a host is connected to the device.
+			 *
+			 *  This is inexplicably also required for proper operation while in host mode, to enable the
+			 *  attachment of a device to the host. This is despite the bit being located in the device-mode
+			 *  register and despite the datasheet making no mention of its requirement in host mode.
+			 */
+			static inline void USB_Attach(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Attach(void)
+			{
+				// TODO
+			}
+
+		/* Function Prototypes: */
+			/** Main function to initialize and start the USB interface. Once active, the USB interface will
+			 *  allow for device connection to a host when in device mode, or for device enumeration while in
+			 *  host mode.
+			 *
+			 *  As the USB library relies on interrupts for the device and host mode enumeration processes,
+			 *  the user must enable global interrupts before or shortly after this function is called. In
+			 *  device mode, interrupts must be enabled within 500ms of this function being called to ensure
+			 *  that the host does not time out whilst enumerating the device. In host mode, interrupts may be
+			 *  enabled at the application's leisure however enumeration will not begin of an attached device
+			 *  until after this has occurred.
+			 *
+			 *  Calling this function when the USB interface is already initialized will cause a complete USB
+			 *  interface reset and re-enumeration.
+			 *
+			 *  \param[in] Mode     This is a mask indicating what mode the USB interface is to be initialized to, a value
+			 *                      from the \ref USB_Modes_t enum.
+			 *
+			 *  \param[in] Options  Mask indicating the options which should be used when initializing the USB
+			 *                      interface to control the USB interface's behaviour. This should be comprised of
+			 *                      a \c USB_OPT_REG_* mask to control the regulator, a \c USB_OPT_*_PLL mask to control the
+			 *                      PLL, and a \c USB_DEVICE_OPT_* mask (when the device mode is enabled) to set the device
+			 *                      mode speed.
+			 *
+			 *  \note To reduce the FLASH requirements of the library if only device or host mode is required,
+			 *        the mode can be statically set in the project makefile by defining the token \c USB_DEVICE_ONLY
+			 *        (for device mode) or \c USB_HOST_ONLY (for host mode), passing the token to the compiler
+			 *        via the -D switch. If the mode is statically set, this parameter does not exist in the
+			 *        function prototype.
+			 *        \n\n
+			 *
+			 *  \note To reduce the FLASH requirements of the library if only fixed settings are are required,
+			 *        the options may be set statically in the same manner as the mode (see the Mode parameter of
+			 *        this function). To statically set the USB options, pass in the \c USE_STATIC_OPTIONS token,
+			 *        defined to the appropriate options masks. When the options are statically set, this
+			 *        parameter does not exist in the function prototype.
+			 *        \n\n
+			 *
+			 *  \note The mode parameter does not exist on devices where only one mode is possible, such as USB
+			 *        AVR models which only implement the USB device mode in hardware.
+			 *
+			 *  \see \ref Group_Device for the \c USB_DEVICE_OPT_* masks.
+			 */
+			void USB_Init(
+			               #if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__)
+			               const uint8_t Mode
+			               #endif
+
+			               #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) || defined(__DOXYGEN__)
+			               ,
+			               #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
+			               void
+			               #endif
+
+			               #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__)
+			               const uint8_t Options
+			               #endif
+			               );
+
+			/** Shuts down the USB interface. This turns off the USB interface after deallocating all USB FIFO
+			 *  memory, endpoints and pipes. When turned off, no USB functionality can be used until the interface
+			 *  is restarted with the \ref USB_Init() function.
+			 */
+			void USB_Disable(void);
+
+			/** Resets the interface, when already initialized. This will re-enumerate the device if already connected
+			 *  to a host, or re-enumerate an already attached device when in host mode.
+			 */
+			void USB_ResetInterface(void);
+
+		/* Global Variables: */
+			#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) || defined(__DOXYGEN__)
+				/** Indicates the mode that the USB interface is currently initialized to, a value from the
+				 *  \ref USB_Modes_t enum.
+				 *
+				 *  \note This variable should be treated as read-only in the user application, and never manually
+				 *        changed in value.
+				 *        \n\n
+				 *
+				 *  \note When the controller is initialized into UID auto-detection mode, this variable will hold the
+				 *        currently selected USB mode (i.e. \ref USB_MODE_Device or \ref USB_MODE_Host). If the controller
+				 *        is fixed into a specific mode (either through the \c USB_DEVICE_ONLY or \c USB_HOST_ONLY compile time
+				 *        options, or a limitation of the USB controller in the chosen device model) this will evaluate to
+				 *        a constant of the appropriate value and will never evaluate to \ref USB_MODE_None even when the
+				 *        USB interface is not initialized.
+				 */
+				extern volatile uint8_t USB_CurrentMode;
+			#elif defined(USB_DEVICE_ONLY)
+				#define USB_CurrentMode USB_MODE_Device
+			#endif
+
+			#if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__)
+				/** Indicates the current USB options that the USB interface was initialized with when \ref USB_Init()
+				 *  was called. This value will be one of the \c USB_MODE_* masks defined elsewhere in this module.
+				 *
+				 *  \note This variable should be treated as read-only in the user application, and never manually
+				 *        changed in value.
+				 */
+				extern volatile uint8_t USB_Options;
+			#elif defined(USE_STATIC_OPTIONS)
+				#define USB_Options USE_STATIC_OPTIONS
+			#endif
+
+		/* Enums: */
+			/** Enum for the possible USB controller modes, for initialization via \ref USB_Init() and indication back to the
+			 *  user application via \ref USB_CurrentMode.
+			 */
+			enum USB_Modes_t
+			{
+				USB_MODE_None   = 0, /**< Indicates that the controller is currently not initialized in any specific USB mode. */
+				USB_MODE_Device = 1, /**< Indicates that the controller is currently initialized in USB Device mode. */
+			};
+
+	/* Private Interface - For use in library only: */
+	#if !defined(__DOXYGEN__)
+		/* Function Prototypes: */
+			#if defined(__INCLUDE_FROM_USB_CONTROLLER_C)
+				static void USB_Init_Device(void);
+			#endif
+
+		/* Inline Functions: */
+			static inline void USB_REG_On(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_REG_On(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_REG_Off(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_REG_Off(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_CLK_Freeze(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_CLK_Freeze(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_CLK_Unfreeze(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_CLK_Unfreeze(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_Controller_Enable(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Controller_Enable(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_Controller_Disable(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Controller_Disable(void)
+			{
+				// TODO
+			}
+
+			static inline void USB_Controller_Reset(void) ATTR_ALWAYS_INLINE;
+			static inline void USB_Controller_Reset(void)
+			{
+				// TODO
+			}
+
+	#endif
+
+	/* Disable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			}
+		#endif
+
+#endif
+
+/** @} */
+

LUFA/Drivers/USB/Core/XMEGA/USBInterrupt_XMEGA.c

@@ -0,0 +1,45 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBInterrupt.h"
+
+void USB_INT_DisableAllInterrupts(void)
+{
+	// TODO
+}
+
+void USB_INT_ClearAllInterrupts(void)
+{
+	// TODO
+}
+
+// TODO: USB ISR
+

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

@@ -0,0 +1,112 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief USB Controller Interrupt definitions for the AVR XMEGA microcontrollers.
+ *
+ *  This file contains definitions required for the correct handling of low level USB service routine interrupts
+ *  from the USB controller.
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+#ifndef __USBINTERRUPT_XMEGA_H__
+#define __USBINTERRUPT_XMEGA_H__
+
+	/* Includes: */
+		#include "../../../../Common/Common.h"
+
+	/* Enable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			extern "C" {
+		#endif
+
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_USB_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+		#endif
+
+	/* Private Interface - For use in library only: */
+	#if !defined(__DOXYGEN__)
+		/* Enums: */
+			enum USB_Interrupts_t
+			{
+				USB_INT_NONE  = 0, // TODO
+			};
+
+		/* Inline Functions: */
+			static inline void USB_INT_Enable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
+			static inline void USB_INT_Enable(const uint8_t Interrupt)
+			{
+				// TODO
+			}
+
+			static inline void USB_INT_Disable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
+			static inline void USB_INT_Disable(const uint8_t Interrupt)
+			{
+				// TODO
+			}
+			
+			static inline void USB_INT_Clear(const uint8_t Interrupt) ATTR_ALWAYS_INLINE;
+			static inline void USB_INT_Clear(const uint8_t Interrupt)
+			{
+				// TODO
+			}
+			
+			static inline bool USB_INT_IsEnabled(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline bool USB_INT_IsEnabled(const uint8_t Interrupt)
+			{
+				return false; // TODO
+			}
+		
+			static inline bool USB_INT_HasOccurred(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
+			static inline bool USB_INT_HasOccurred(const uint8_t Interrupt)
+			{
+				return false; // TODO
+			}
+
+		/* Includes: */
+			#include "../USBMode.h"
+			#include "../Events.h"
+			#include "../USBController.h"
+
+		/* Function Prototypes: */
+			void USB_INT_ClearAllInterrupts(void);
+			void USB_INT_DisableAllInterrupts(void);
+	#endif
+
+	/* Disable C linkage for C++ Compilers: */
+		#if defined(__cplusplus)
+			}
+		#endif
+
+#endif
+

LUFA/ManPages/ChangeLog.txt

@@ -26,6 +26,7 @@
   *   - Added new HID_Host_SetIdlePeriod() function to the HID Host Class driver
   *   - Added new USB_Host_ConfigurationNumber global variable to indicate the selected configuration in an attached device
   *   - Added new USB_Host_GetDeviceStatus() function to the host standard request function set
+  *   - Added AVR USB XMEGA architecture port (currently incomplete/experimental)
   *  - Library Applications:
   *   - Added RNDIS device mode to the Webserver project
   *   - Added new incomplete AndroidAccessoryHost Host LowLevel demo
@@ -49,6 +50,7 @@
   *   - Removed the HOST_STATE_WaitForDeviceRemoval and HOST_STATE_Suspended host state machine states, as these are no longer required
   *   - Altered the USB_Host_SetDeviceConfiguration() function to update the global Host state machine state and the new
   *     USB_Host_ConfigurationNumber global as required
+  *   - Added endian correcting code to the library USB class drivers for multiple architecture support
   *  - Library Applications:
   *   - Modified the Low Level and Class Driver AudioInput and AudioOutput demos to support multiple audio sample rates
   *   - Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationComplete() event callback for device configuration

LUFA/ManPages/DeviceSupport.txt

@@ -92,5 +92,23 @@
  *
  *  Currently supported third-party boards (see \ref Group_BoardTypes for makefile BOARD constant names):
  *   - Custom User Boards (with Board Drivers if desired, see \ref Page_WritingBoardDrivers)
+ *
+ *  \section Sec_XMEGA_Support Atmel USB XMEGA AVR (XMEGA)
+ *  Note: <i>The XMEGA device support is currently <b>experimental</b>, and is included for preview purposes only.</i>
+ *  Currently supported XMEGA models:
+ *   - ATXMEGA16A4U (USB Device Only)
+ *   - ATXMEGA32A4U (USB Device Only)
+ *   - ATXMEGA64A3U (USB Device Only)
+ *   - ATXMEGA128A3U (USB Device Only)
+ *   - ATXMEGA192A3U (USB Device Only)
+ *   - ATXMEGA256A3U (USB Device Only)
+ *   - ATXMEGA256A3BU (USB Device Only)
+ *   - ATXMEGA128A1U (USB Device Only)
+ *
+ *  Currently supported Atmel XMEGA boards (see \ref Group_BoardTypes):
+ *   - None
+ *
+ *  Currently supported third-party boards (see \ref Group_BoardTypes for makefile BOARD constant names):
+ *   - Custom User Boards (with Board Drivers if desired, see \ref Page_WritingBoardDrivers)
  */