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# Hey Emacs, this is a -*- makefile -*-
#----------------------------------------------------------------------------
# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
#
# 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
#
#----------------------------------------------------------------------------
# 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.
#
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# make program = Download the hex file to the device.
# Please customize your programmer settings(PROGRAM_CMD)
#
# make teensy = Download the hex file to the device, using teensy_loader_cli.
# (must have teensy_loader_cli installed).
#
# 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).
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#
# 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".
#----------------------------------------------------------------------------
# Output format. (can be srec, ihex, binary)
FORMAT = ihex
# Object files directory
# To put object files in current directory, use a dot (.), do NOT make
# this an empty or blank macro!
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OBJDIR = obj_$( TARGET)
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# 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
# 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
# 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 = $( subst :, ,$( VPATH) )
# 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 += $( OPT_DEFS)
# Place -D or -U options here for ASM sources
ADEFS = -DF_CPU= $( F_CPU)
ADEFS += $( OPT_DEFS)
# Place -D or -U options here for C++ sources
CPPDEFS = -DF_CPU= $( F_CPU) UL
#CPPDEFS += -D__STDC_LIMIT_MACROS
#CPPDEFS += -D__STDC_CONSTANT_MACROS
CPPDEFS += $( OPT_DEFS)
#---------------- Compiler Options C ----------------
# -g*: generate debugging information
# -O*: optimization level
# -f...: tuning, see GCC manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CFLAGS = -g$( DEBUG)
CFLAGS += $( CDEFS)
CFLAGS += -O$( OPT)
CFLAGS += -funsigned-char
CFLAGS += -funsigned-bitfields
CFLAGS += -ffunction-sections
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CFLAGS += -fno-inline-small-functions
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CFLAGS += -fpack-struct
CFLAGS += -fshort-enums
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CFLAGS += -fno-strict-aliasing
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CFLAGS += -Wall
CFLAGS += -Wstrict-prototypes
#CFLAGS += -mshort-calls
#CFLAGS += -fno-unit-at-a-time
#CFLAGS += -Wundef
#CFLAGS += -Wunreachable-code
#CFLAGS += -Wsign-compare
CFLAGS += -Wa,-adhlns= $( @:%.o= %.lst)
CFLAGS += $( patsubst %,-I%,$( EXTRAINCDIRS) )
CFLAGS += $( CSTANDARD)
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i f d e f C O N F I G _ H
CFLAGS += -include $( CONFIG_H)
e n d i f
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#---------------- Compiler Options C++ ----------------
# -g*: generate debugging information
# -O*: optimization level
# -f...: tuning, see GCC manual and avr-libc documentation
# -Wall...: warning level
# -Wa,...: tell GCC to pass this to the assembler.
# -adhlns...: create assembler listing
CPPFLAGS = -g$( DEBUG)
CPPFLAGS += $( CPPDEFS)
CPPFLAGS += -O$( OPT)
CPPFLAGS += -funsigned-char
CPPFLAGS += -funsigned-bitfields
CPPFLAGS += -fpack-struct
CPPFLAGS += -fshort-enums
CPPFLAGS += -fno-exceptions
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CPPFLAGS += -ffunction-sections
CPPFLAGS += -fdata-sections
# to supress "warning: only initialized variables can be placed into program memory area"
CPPFLAGS += -w
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CPPFLAGS += -Wall
CPPFLAGS += -Wundef
#CPPFLAGS += -mshort-calls
#CPPFLAGS += -fno-unit-at-a-time
#CPPFLAGS += -Wstrict-prototypes
#CPPFLAGS += -Wunreachable-code
#CPPFLAGS += -Wsign-compare
CPPFLAGS += -Wa,-adhlns= $( @:%.o= %.lst)
CPPFLAGS += $( patsubst %,-I%,$( EXTRAINCDIRS) )
#CPPFLAGS += $(CSTANDARD)
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i f d e f C O N F I G _ H
CPPFLAGS += -include $( CONFIG_H)
e n d i f
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#---------------- 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= $( @:%.o= %.lst) ,-gstabs,--listing-cont-lines= 100
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ASFLAGS += $( patsubst %,-I%,$( EXTRAINCDIRS) )
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i f d e f C O N F I G _ H
ASFLAGS += -include $( CONFIG_H)
e n d i f
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#---------------- 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
#
# Comennt out "--relax" option to avoid a error such:
# (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
#
LDFLAGS = -Wl,-Map= $( TARGET) .map,--cref
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#LDFLAGS += -Wl,--relax
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LDFLAGS += -Wl,--gc-sections
LDFLAGS += $( EXTMEMOPTS)
LDFLAGS += $( patsubst %,-L%,$( EXTRALIBDIRS) )
LDFLAGS += $( PRINTF_LIB) $( SCANF_LIB) $( MATH_LIB)
#LDFLAGS += -T linker_script.x
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# You can give EXTRALDFLAGS at 'make' command line.
LDFLAGS += $( EXTRALDFLAGS)
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#---------------- 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
REMOVE = rm -f
REMOVEDIR = rmdir
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 = $( patsubst %.c,$( OBJDIR) /%.o,$( patsubst %.cpp,$( OBJDIR) /%.o,$( patsubst %.S,$( OBJDIR) /%.o,$( SRC) ) ) )
# Define all listing files.
LST = $( patsubst %.c,$( OBJDIR) /%.lst,$( patsubst %.cpp,$( OBJDIR) /%.lst,$( patsubst %.S,$( OBJDIR) /%.lst,$( SRC) ) ) )
# Compiler flags to generate dependency files.
GENDEPFLAGS = -MMD -MP -MF .dep/$( @F) .d
# Combine all necessary flags and optional flags.
# Add target processor to flags.
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# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
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ALL_CFLAGS = -mmcu= $( MCU) $( CFLAGS) $( GENDEPFLAGS) $( EXTRAFLAGS)
ALL_CPPFLAGS = -mmcu= $( MCU) -x c++ $( CPPFLAGS) $( GENDEPFLAGS) $( EXTRAFLAGS)
ALL_ASFLAGS = -mmcu= $( MCU) -x assembler-with-cpp $( ASFLAGS) $( EXTRAFLAGS)
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# 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 = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
ELFSIZE = $( SIZE) $( TARGET) .elf
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 $( TARGET ) .eep
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$( PROGRAM_CMD)
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teensy : $( TARGET ) .hex
teensy_loader_cli -mmcu= $( MCU) -w -v $( TARGET) .hex
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
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dfu-start :
dfu-programmer $( MCU) reset
dfu-programmer $( MCU) start
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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 $( MCU) reset
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# Generate avr-gdb config/init file which does the following:
# define the reset signal, load the target file, connect to target, and set
# a breakpoint at main().
gdb-config :
@$( 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)
i f e q ( $( DEBUG_BACKEND ) , s i m u l a v r )
@echo load >> $( GDBINIT_FILE)
e n d i f
@echo break main >> $( GDBINIT_FILE)
debug : gdb -config $( TARGET ) .elf
i f e q ( $( DEBUG_BACKEND ) , a v a r i c e )
@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
@$( WINSHELL) /c start avarice --jtag $( JTAG_DEV) --erase --program --file \
$( TARGET) .elf $( DEBUG_HOST) :$( DEBUG_PORT)
@$( WINSHELL) /c pause
e l s e
@$( WINSHELL) /c start simulavr --gdbserver --device $( MCU) --clock-freq \
$( DEBUG_MFREQ) --port $( DEBUG_PORT)
e n d i f
@$( 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
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mkdir -p $( @D)
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@echo $( MSG_COMPILING) $<
$( CC) -c $( ALL_CFLAGS) $< -o $@
# Compile: create object files from C++ source files.
$(OBJDIR)/%.o : %.cpp
@echo
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mkdir -p $( @D)
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@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 $@
# Create preprocessed source for use in sending a bug report.
%.i : %.c
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$( CC) -E -mmcu= $( MCU) $( CFLAGS) $< -o $@
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# Target: clean project.
clean : begin clean_list end
clean_list :
@echo
$( REMOVE) $( TARGET) .hex
$( REMOVE) $( TARGET) .eep
$( REMOVE) $( TARGET) .cof
$( REMOVE) $( TARGET) .elf
$( REMOVE) $( TARGET) .map
$( REMOVE) $( TARGET) .sym
$( REMOVE) $( TARGET) .lss
$( REMOVE) $( OBJ)
$( REMOVE) $( LST)
$( REMOVE) $( OBJ:.o= .s)
$( REMOVE) $( OBJ:.o= .i)
$( REMOVE) -r .dep
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$( REMOVE) -r $( OBJDIR)
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show_path :
@echo VPATH = $( VPATH)
@echo SRC = $( SRC)
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# Create object files directory
$( shell mkdir $ ( OBJDIR ) 2>/dev /null )
# Include the dependency files.
- i n c l u d e $( shell mkdir .dep 2>/dev /null ) $( wildcard .dep /*)
# Listing of phony targets.
.PHONY : all begin finish end sizebefore sizeafter gccversion \
b u i l d e l f h e x e e p l s s s y m c o f f e x t c o f f \
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c l e a n c l e a n _ l i s t d e b u g g d b - c o n f i g s h o w _ p a t h \
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p r o g r a m t e e n s y d f u f l i p d f u - e e f l i p - e e d f u - s t a r t