1 # Hey Emacs, this is a -*- makefile -*-
2 #----------------------------------------------------------------------------
3 # WinAVR Makefile Template written by Eric B. Weddington, Jörg Wunsch, et al.
4 # >> Modified for use with the LUFA project. <<
6 # Released to the Public Domain
8 # Additional material for this makefile was written by:
21 #----------------------------------------------------------------------------
24 # make all = Make software.
26 # make clean = Clean out built project files.
28 # make coff = Convert ELF to AVR COFF.
30 # make extcoff = Convert ELF to AVR Extended COFF.
32 # make program = Download the hex file to the device, using avrdude.
33 # Please customize the avrdude settings below first!
35 # make doxygen = Generate DoxyGen documentation for the project (must have
38 # make debug = Start either simulavr or avarice as specified for debugging,
39 # with avr-gdb or avr-insight as the front end for debugging.
41 # make filename.s = Just compile filename.c into the assembler code only.
43 # make filename.i = Create a preprocessed source file for use in submitting
44 # bug reports to the GCC project.
46 # To rebuild project do "make clean" then "make all".
47 #----------------------------------------------------------------------------
54 # Target board (see library "Board Types" documentation, NONE for projects not requiring
55 # LUFA board drivers). If USER is selected, put custom board drivers in a directory called
56 # "Board" inside the application directory.
60 # Processor frequency.
61 # This will define a symbol, F_CPU, in all source code files equal to the
62 # processor frequency in Hz. You can then use this symbol in your source code to
63 # calculate timings. Do NOT tack on a 'UL' at the end, this will be done
64 # automatically to create a 32-bit value in your source code.
66 # This will be an integer division of F_CLOCK below, as it is sourced by
67 # F_CLOCK after it has run through any CPU prescalers. Note that this value
68 # does not *change* the processor frequency - it should merely be updated to
69 # reflect the processor speed set externally so that the code can use accurate
74 # Input clock frequency.
75 # This will define a symbol, F_CLOCK, in all source code files equal to the
76 # input clock frequency (before any prescaling is performed) in Hz. This value may
77 # differ from F_CPU if prescaling is used on the latter, and is required as the
78 # raw input clock is fed directly to the PLL sections of the AVR for high speed
79 # clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
80 # at the end, this will be done automatically to create a 32-bit value in your
83 # If no clock division is performed on the input clock inside the AVR (via the
84 # CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
88 # Starting byte address of the bootloader, as a byte address - computed via the formula
89 # BOOT_START = ((TOTAL_FLASH_BYTES - BOOTLOADER_SECTION_SIZE_BYTES) * 1024)
91 # Note that the bootloader size and start address given in AVRStudio is in words and not
92 # bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC.
96 # Output format. (can be srec, ihex, binary)
100 # Target file name (without extension).
101 TARGET = BootloaderCDC
104 # Object files directory
105 # To put object files in current directory, use a dot (.), do NOT make
106 # this an empty or blank macro!
110 # Path to the LUFA library
114 # LUFA library compile-time options and predefined tokens
115 LUFA_OPTS = -D USB_DEVICE_ONLY
116 LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
117 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
118 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
119 LUFA_OPTS += -D USE_RAM_DESCRIPTORS
120 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
121 LUFA_OPTS += -D NO_INTERNAL_SERIAL
122 LUFA_OPTS += -D NO_DEVICE_SELF_POWER
123 LUFA_OPTS += -D NO_DEVICE_REMOTE_WAKEUP
124 LUFA_OPTS += -D NO_STREAM_CALLBACKS
127 # Create the LUFA source path variables by including the LUFA root makefile
128 include $(LUFA_PATH)/LUFA/makefile
131 # List C source files here. (C dependencies are automatically generated.)
137 # List C++ source files here. (C dependencies are automatically generated.)
141 # List Assembler source files here.
142 # Make them always end in a capital .S. Files ending in a lowercase .s
143 # will not be considered source files but generated files (assembler
144 # output from the compiler), and will be deleted upon "make clean"!
145 # Even though the DOS/Win* filesystem matches both .s and .S the same,
146 # it will preserve the spelling of the filenames, and gcc itself does
147 # care about how the name is spelled on its command-line.
151 # Optimization level, can be [0, 1, 2, 3, s].
152 # 0 = turn off optimization. s = optimize for size.
153 # (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
158 # Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
159 # AVR Studio 4.10 requires dwarf-2.
160 # AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
164 # List any extra directories to look for include files here.
165 # Each directory must be seperated by a space.
166 # Use forward slashes for directory separators.
167 # For a directory that has spaces, enclose it in quotes.
168 EXTRAINCDIRS = $(LUFA_PATH)/
171 # Compiler flag to set the C Standard level.
173 # gnu89 = c89 plus GCC extensions
174 # c99 = ISO C99 standard (not yet fully implemented)
175 # gnu99 = c99 plus GCC extensions
179 # Place -D or -U options here for C sources
180 CDEFS = -DF_CPU=$(F_CPU)UL
181 CDEFS += -DF_CLOCK=$(F_CLOCK)UL
182 CDEFS += -DBOARD=BOARD_$(BOARD)
183 CDEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
184 CDEFS += $(LUFA_OPTS)
187 # Place -D or -U options here for ASM sources
188 ADEFS = -DF_CPU=$(F_CPU)
189 ADEFS += -DF_CLOCK=$(F_CLOCK)UL
190 ADEFS += -DBOARD=BOARD_$(BOARD)
191 CDEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
192 ADEFS += $(LUFA_OPTS)
194 # Place -D or -U options here for C++ sources
195 CPPDEFS = -DF_CPU=$(F_CPU)UL
196 CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
197 CPPDEFS += -DBOARD=BOARD_$(BOARD)
198 CDEFS += -DBOOT_START_ADDR=$(BOOT_START)UL
199 CPPDEFS += $(LUFA_OPTS)
200 #CPPDEFS += -D__STDC_LIMIT_MACROS
201 #CPPDEFS += -D__STDC_CONSTANT_MACROS
205 #---------------- Compiler Options C ----------------
206 # -g*: generate debugging information
207 # -O*: optimization level
208 # -f...: tuning, see GCC manual and avr-libc documentation
209 # -Wall...: warning level
210 # -Wa,...: tell GCC to pass this to the assembler.
211 # -adhlns...: create assembler listing
215 CFLAGS += -funsigned-char
216 CFLAGS += -funsigned-bitfields
217 CFLAGS += -ffunction-sections
218 CFLAGS += -fno-inline-small-functions
219 CFLAGS += -fpack-struct
220 CFLAGS += -fshort-enums
221 CFLAGS += -fno-strict-aliasing
223 CFLAGS += -Wstrict-prototypes
224 #CFLAGS += -mshort-calls
225 #CFLAGS += -fno-unit-at-a-time
227 #CFLAGS += -Wunreachable-code
228 #CFLAGS += -Wsign-compare
229 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
230 CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
231 CFLAGS += $(CSTANDARD)
234 #---------------- Compiler Options C++ ----------------
235 # -g*: generate debugging information
236 # -O*: optimization level
237 # -f...: tuning, see GCC manual and avr-libc documentation
238 # -Wall...: warning level
239 # -Wa,...: tell GCC to pass this to the assembler.
240 # -adhlns...: create assembler listing
241 CPPFLAGS = -g$(DEBUG)
242 CPPFLAGS += $(CPPDEFS)
244 CPPFLAGS += -funsigned-char
245 CPPFLAGS += -funsigned-bitfields
246 CPPFLAGS += -fpack-struct
247 CPPFLAGS += -fshort-enums
248 CPPFLAGS += -fno-exceptions
251 #CPPFLAGS += -mshort-calls
252 #CPPFLAGS += -fno-unit-at-a-time
253 #CPPFLAGS += -Wstrict-prototypes
254 #CPPFLAGS += -Wunreachable-code
255 #CPPFLAGS += -Wsign-compare
256 CPPFLAGS += -Wa,-adhlns=$(<:%.cpp=$(OBJDIR)/%.lst)
257 CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
258 #CPPFLAGS += $(CSTANDARD)
261 #---------------- Assembler Options ----------------
262 # -Wa,...: tell GCC to pass this to the assembler.
263 # -adhlns: create listing
264 # -gstabs: have the assembler create line number information; note that
265 # for use in COFF files, additional information about filenames
266 # and function names needs to be present in the assembler source
267 # files -- see avr-libc docs [FIXME: not yet described there]
268 # -listing-cont-lines: Sets the maximum number of continuation lines of hex
269 # dump that will be displayed for a given single line of source input.
270 ASFLAGS = $(ADEFS) -Wa,-adhlns=$(<:%.S=$(OBJDIR)/%.lst),-gstabs,--listing-cont-lines=100
273 #---------------- Library Options ----------------
274 # Minimalistic printf version
275 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
277 # Floating point printf version (requires MATH_LIB = -lm below)
278 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
280 # If this is left blank, then it will use the Standard printf version.
282 #PRINTF_LIB = $(PRINTF_LIB_MIN)
283 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
286 # Minimalistic scanf version
287 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
289 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
290 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
292 # If this is left blank, then it will use the Standard scanf version.
294 #SCANF_LIB = $(SCANF_LIB_MIN)
295 #SCANF_LIB = $(SCANF_LIB_FLOAT)
301 # List any extra directories to look for libraries here.
302 # Each directory must be seperated by a space.
303 # Use forward slashes for directory separators.
304 # For a directory that has spaces, enclose it in quotes.
309 #---------------- External Memory Options ----------------
311 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
312 # used for variables (.data/.bss) and heap (malloc()).
313 #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
315 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
316 # only used for heap (malloc()).
317 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
323 #---------------- Linker Options ----------------
324 # -Wl,...: tell GCC to pass this to linker.
325 # -Map: create map file
326 # --cref: add cross reference to map file
327 LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
328 LDFLAGS += -Wl,--section-start=.text=$(BOOT_START)
329 LDFLAGS += -Wl,--relax
330 LDFLAGS += -Wl,--gc-sections
331 LDFLAGS += $(EXTMEMOPTS)
332 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
333 LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
334 #LDFLAGS += -T linker_script.x
338 #---------------- Programming Options (avrdude) ----------------
340 # Programming hardware
342 # to get a full listing.
344 AVRDUDE_PROGRAMMER = jtagmkII
346 # com1 = serial port. Use lpt1 to connect to parallel port.
349 AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
350 #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
353 # Uncomment the following if you want avrdude's erase cycle counter.
354 # Note that this counter needs to be initialized first using -Yn,
355 # see avrdude manual.
356 #AVRDUDE_ERASE_COUNTER = -y
358 # Uncomment the following if you do /not/ wish a verification to be
359 # performed after programming the device.
360 #AVRDUDE_NO_VERIFY = -V
362 # Increase verbosity level. Please use this when submitting bug
363 # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
364 # to submit bug reports.
365 #AVRDUDE_VERBOSE = -v -v
367 AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
368 AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
369 AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
370 AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
374 #---------------- Debugging Options ----------------
376 # For simulavr only - target MCU frequency.
377 DEBUG_MFREQ = $(F_CPU)
379 # Set the DEBUG_UI to either gdb or insight.
383 # Set the debugging back-end to either avarice, simulavr.
384 DEBUG_BACKEND = avarice
385 #DEBUG_BACKEND = simulavr
388 GDBINIT_FILE = __avr_gdbinit
390 # When using avarice settings for the JTAG
393 # Debugging port used to communicate between GDB / avarice / simulavr.
396 # Debugging host used to communicate between GDB / avarice / simulavr, normally
397 # just set to localhost unless doing some sort of crazy debugging when
398 # avarice is running on a different computer.
399 DEBUG_HOST = localhost
403 #============================================================================
406 # Define programs and commands.
409 OBJCOPY = avr-objcopy
410 OBJDUMP = avr-objdump
423 MSG_ERRORS_NONE = Errors: none
424 MSG_BEGIN = -------- begin --------
425 MSG_END = -------- end --------
426 MSG_SIZE_BEFORE = Size before:
427 MSG_SIZE_AFTER = Size after:
428 MSG_COFF = Converting to AVR COFF:
429 MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
430 MSG_FLASH = Creating load file for Flash:
431 MSG_EEPROM = Creating load file for EEPROM:
432 MSG_EXTENDED_LISTING = Creating Extended Listing:
433 MSG_SYMBOL_TABLE = Creating Symbol Table:
434 MSG_LINKING = Linking:
435 MSG_COMPILING = Compiling C:
436 MSG_COMPILING_CPP = Compiling C++:
437 MSG_ASSEMBLING = Assembling:
438 MSG_CLEANING = Cleaning project:
439 MSG_CREATING_LIBRARY = Creating library:
444 # Define all object files.
445 OBJ = $(SRC:%.c=$(OBJDIR)/%.o) $(CPPSRC:%.cpp=$(OBJDIR)/%.o) $(ASRC:%.S=$(OBJDIR)/%.o)
447 # Define all listing files.
448 LST = $(SRC:%.c=$(OBJDIR)/%.lst) $(CPPSRC:%.cpp=$(OBJDIR)/%.lst) $(ASRC:%.S=$(OBJDIR)/%.lst)
451 # Compiler flags to generate dependency files.
452 GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
455 # Combine all necessary flags and optional flags.
456 # Add target processor to flags.
457 ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
458 ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
459 ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
466 all: begin gccversion sizebefore build sizeafter end
468 # Change the build target to build a HEX file or a library.
469 build: elf hex eep lss sym
478 LIBNAME=lib$(TARGET).a
484 # AVR Studio 3.x does not check make's exit code but relies on
485 # the following magic strings to be generated by the compile job.
495 # Display size of file.
496 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
497 ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
500 @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
501 2>/dev/null; echo; fi
504 @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
505 2>/dev/null; echo; fi
509 # Display compiler version information.
514 # Program the device.
515 program: $(TARGET).hex $(TARGET).eep
516 $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
519 # Generate avr-gdb config/init file which does the following:
520 # define the reset signal, load the target file, connect to target, and set
521 # a breakpoint at main().
523 @$(REMOVE) $(GDBINIT_FILE)
524 @echo define reset >> $(GDBINIT_FILE)
525 @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
526 @echo end >> $(GDBINIT_FILE)
527 @echo file $(TARGET).elf >> $(GDBINIT_FILE)
528 @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
529 ifeq ($(DEBUG_BACKEND),simulavr)
530 @echo load >> $(GDBINIT_FILE)
532 @echo break main >> $(GDBINIT_FILE)
534 debug: gdb-config $(TARGET).elf
535 ifeq ($(DEBUG_BACKEND), avarice)
536 @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
537 @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
538 $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
539 @$(WINSHELL) /c pause
542 @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
543 $(DEBUG_MFREQ) --port $(DEBUG_PORT)
545 @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
550 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
551 COFFCONVERT = $(OBJCOPY) --debugging
552 COFFCONVERT += --change-section-address .data-0x800000
553 COFFCONVERT += --change-section-address .bss-0x800000
554 COFFCONVERT += --change-section-address .noinit-0x800000
555 COFFCONVERT += --change-section-address .eeprom-0x810000
561 @echo $(MSG_COFF) $(TARGET).cof
562 $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
565 extcoff: $(TARGET).elf
567 @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
568 $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
572 # Create final output files (.hex, .eep) from ELF output file.
575 @echo $(MSG_FLASH) $@
576 $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
580 @echo $(MSG_EEPROM) $@
581 -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
582 --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
584 # Create extended listing file from ELF output file.
587 @echo $(MSG_EXTENDED_LISTING) $@
588 $(OBJDUMP) -h -S -z $< > $@
590 # Create a symbol table from ELF output file.
593 @echo $(MSG_SYMBOL_TABLE) $@
598 # Create library from object files.
599 .SECONDARY : $(TARGET).a
603 @echo $(MSG_CREATING_LIBRARY) $@
607 # Link: create ELF output file from object files.
608 .SECONDARY : $(TARGET).elf
612 @echo $(MSG_LINKING) $@
613 $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
616 # Compile: create object files from C source files.
619 @echo $(MSG_COMPILING) $<
620 $(CC) -c $(ALL_CFLAGS) $< -o $@
623 # Compile: create object files from C++ source files.
624 $(OBJDIR)/%.o : %.cpp
626 @echo $(MSG_COMPILING_CPP) $<
627 $(CC) -c $(ALL_CPPFLAGS) $< -o $@
630 # Compile: create assembler files from C source files.
632 $(CC) -S $(ALL_CFLAGS) $< -o $@
635 # Compile: create assembler files from C++ source files.
637 $(CC) -S $(ALL_CPPFLAGS) $< -o $@
640 # Assemble: create object files from assembler source files.
643 @echo $(MSG_ASSEMBLING) $<
644 $(CC) -c $(ALL_ASFLAGS) $< -o $@
647 # Create preprocessed source for use in sending a bug report.
649 $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
652 # Target: clean project.
653 clean: begin clean_list end
657 @echo $(MSG_CLEANING)
658 $(REMOVE) $(TARGET).hex
659 $(REMOVE) $(TARGET).eep
660 $(REMOVE) $(TARGET).cof
661 $(REMOVE) $(TARGET).elf
662 $(REMOVE) $(TARGET).map
663 $(REMOVE) $(TARGET).sym
664 $(REMOVE) $(TARGET).lss
665 $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.o)
666 $(REMOVE) $(SRC:%.c=$(OBJDIR)/%.lst)
667 $(REMOVE) $(SRC:.c=.s)
668 $(REMOVE) $(SRC:.c=.d)
669 $(REMOVE) $(SRC:.c=.i)
673 @echo Generating Project Documentation...
674 @doxygen Doxygen.conf
675 @echo Documentation Generation Complete.
680 # Create object files directory
681 $(shell mkdir $(OBJDIR) 2>/dev/null)
684 # Include the dependency files.
685 -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
688 # Listing of phony targets.
689 .PHONY : all begin finish end sizebefore sizeafter gccversion \
690 build elf hex eep lss sym coff extcoff doxygen clean \
691 clean_list clean_doxygen program debug gdb-config