Ardruino makefile

# http://www.google.com/codesearch/p?hl=de#thaXon_DSGU/trunk/hardware/cores/arduino/Makefile&q=Makefile%20package:http://arduino%5C.googlecode%5C.com&sa=N&cd=8&ct=rc
MCU = atmega1280
F_CPU = 16000000    # 16 MHz
AVRDUDE_PROGRAMMER = arduino
AVRDUDE_PORT = /dev/ttyUSB0 # programmer connected to serial port




FORMAT = ihex       # create a .hex file

OPT = 3         # assembly-level optimization

# Optional compiler flags.
#  -g:        generate debugging information (for GDB, or for COFF conversion)
#  -O*:       optimization level
#  -f...:     tuning, see gcc manual and avr-libc documentation
#  -Wall...:  warning level
#  -Wa,...:   tell GCC to pass this to the assembler.
#    -ahlms:  create assembler listing
CFLAGS = -g -O$(OPT) \
-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums \
-Wall \
-DF_CPU=$(F_CPU) \
-Wa,-adhlns=$(<:.cpp=.lst) \
$(patsubst %,-I%,$(EXTRAINCDIRS)) \
-mmcu=$(MCU)

# Optional assembler flags.
#  -Wa,...:   tell GCC to pass this to the assembler.
#  -ahlms:    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]
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs


# Optional linker flags.
#  -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


# ---------------------------------------------------------------------------
# Programming support using avrdude.
AVRDUDE = /usr/local/bin/avrdude

# Programming support using avrdude. Settings and variables.

AVRDUDE_WRITE_FLASH = -U flash:w:

UPLOAD_RATE = 57600
#AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
 -b $(UPLOAD_RATE) -q -D

# ---------------------------------------------------------------------------

# Define directories, if needed.
#DIRAVR = c:/progra~1/winavr
#DIRAVRBIN = $(DIRAVR)/bin
#DIRAVRUTILS = $(DIRAVR)/utils/bin
#DIRINC = .
#DIRLIB = $(DIRAVR)/avr/lib


# Define programs and commands.
SHELL = sh

CC = avr-gcc

OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size

REMOVE = rm -f
COPY = cp

# 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_FLASHING = Flashing:
MSG_PACKING = Creating load file for Flash:
MSG_EXTENDED_LISTING = Creating Extended Listing:
MSG_SYMBOL_TABLE = Creating Symbol Table:
MSG_LINKING = Linking:
MSG_COMPILING = Compiling:
MSG_ASSEMBLING = Assembling:
MSG_ASSEMBLING2 = Create assembler files from C source files for:
MSG_CLEANING = Cleaning project:


# Define all object files.
OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)

# Define all listing files.
LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)

# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -I. $(CFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)




# 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)

finished:
    @echo $(MSG_ERRORS_NONE)

end:
    @echo $(MSG_END)
    @echo



# Display compiler version information.
gccversion :
    @$(CC) --version


# Default target.
all: begin gccversion flash-main finished end

# this is necessary if you're burning the AVR for the first time...
# sets the proper fuse for external clock with no clk div
burn-fuse:
    $(AVRDUDE) $(AVRDUDE_FLAGS) -u -U lfuse:w:0xE0:m


%: begin flash-% finished end


# this programs the dependant hex file using our default avrdude flags
flash-%: %.hex
    @echo
    @echo $(MSG_FLASHING) $@
    #stty -F /dev/ttyUSB0 hupcl
    @echo $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)$<
    $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)$<
    # stty -F /dev/ttyUSB0 hupcl

bootloader:
    @echo
    @echo $(MSG_FLASHING) $@
    $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)bootload.hex


# Create final output files (.hex) from ELF output file.
%.hex: %.elf
    @echo
    @echo $(MSG_PACKING) $@
    $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@


# Link: create ELF output file from object files.
.SECONDARY : $(TARGET).elf
.PRECIOUS : $(OBJ)
%.elf: %.o
    @echo
    @echo $(MSG_LINKING) $@
    $(CC) $(ALL_CFLAGS) $< --output $@ $(LDFLAGS)


# Compile: create object files from C source files.
%.o : %.cpp
    @echo
    @echo $(MSG_COMPILING) $<
    $(CC) -c $(ALL_CFLAGS) $< -o $@


# Compile: create assembler files from C source files.
%.s : %.cpp
    @echo
    @echo $(MSG_ASSEMBLING2) $<
    $(CC) -S $(ALL_CFLAGS) $< -o $@


# Assemble: create object files from assembler source files.
%.o : %.S
    @echo
    @echo $(MSG_ASSEMBLING) $<
    $(CC) -c $(ALL_ASFLAGS) $< -o $@





# Target: clean project.
clean: begin clean_list finished end

clean_list :
    @echo
    @echo $(MSG_CLEANING)
    $(REMOVE) *.hex
    $(REMOVE) *.lst
    $(REMOVE) *.obj
    $(REMOVE) *.elf
    $(REMOVE) *.o

# Listing of phony targets.
.PHONY : all begin finish end \
    clean clean_list program