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- # Arduino makefile
- #
- # This makefile allows you to build sketches from the command line
- # without the Arduino environment (or Java).
- #
- # The Arduino environment does preliminary processing on a sketch before
- # compiling it. If you're using this makefile instead, you'll need to do
- # a few things differently:
- #
- # - Give your program's file a .cpp extension (e.g. foo.cpp).
- #
- # - Put this line at top of your code: #include <WProgram.h>
- #
- # - Write prototypes for all your functions (or define them before you
- # call them). A prototype declares the types of parameters a
- # function will take and what type of value it will return. This
- # means that you can have a call to a function before the definition
- # of the function. A function prototype looks like the first line of
- # the function, with a semi-colon at the end. For example:
- # int digitalRead(int pin);
- #
- # Instructions for using the makefile:
- #
- # 1. Copy this file into the folder with your sketch.
- #
- # 2. Below, modify the line containing "TARGET" to refer to the name of
- # of your program's file without an extension (e.g. TARGET = foo).
- #
- # 3. Modify the line containg "ARDUINO" to point the directory that
- # contains the Arduino core (for normal Arduino installations, this
- # is the lib/targets/arduino sub-directory).
- #
- # 4. Modify the line containing "PORT" to refer to the filename
- # representing the USB or serial connection to your Arduino board
- # (e.g. PORT = /dev/tty.USB0). If the exact name of this file
- # changes, you can use * as a wildcard (e.g. PORT = /dev/tty.USB*).
- #
- # 5. At the command line, change to the directory containing your
- # program's file and the makefile.
- #
- # 6. Type "make" and press enter to compile/verify your program.
- #
- # 7. Type "make upload", reset your Arduino board, and press enter to
- # upload your program to the Arduino board.
- #
- # $Id$
- PORT = /dev/tty.usbserial*
- TARGET = foo
- ARDUINO = /Applications/arduino-0005/lib/targets/arduino
- SRC = $(ARDUINO)/buffer.c $(ARDUINO)/pins_arduino.c \
- $(ARDUINO)/Serial.c $(ARDUINO)/uart.c $(ARDUINO)/wiring.c
- CXXSRC = $(TARGET).cpp $(ARDUINO)/HardwareSerial.cpp $(ARDUINO)/WRandom.cpp
- MCU = atmega8
- F_CPU = 16000000
- FORMAT = ihex
- UPLOAD_RATE = 19200
- # Name of this Makefile (used for "make depend").
- MAKEFILE = Makefile
- # Debugging format.
- # Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
- # AVR (extended) COFF requires stabs, plus an avr-objcopy run.
- DEBUG = stabs
- OPT = s
- # Place -D or -U options here
- CDEFS = -DF_CPU=$(F_CPU)
- CXXDEFS = -DF_CPU=$(F_CPU)
- # Place -I options here
- CINCS = -I$(ARDUINO)
- CXXINCS = -I$(ARDUINO)
- # Compiler flag to set the C Standard level.
- # c89 - "ANSI" C
- # gnu89 - c89 plus GCC extensions
- # c99 - ISO C99 standard (not yet fully implemented)
- # gnu99 - c99 plus GCC extensions
- CSTANDARD = -std=gnu99
- CDEBUG = -g$(DEBUG)
- CWARN = -Wall -Wstrict-prototypes
- CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
- #CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
- CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
- CXXFLAGS = $(CDEFS) $(CINCS) -O$(OPT)
- #ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
- LDFLAGS =
- # Programming support using avrdude. Settings and variables.
- AVRDUDE_PROGRAMMER = stk500
- AVRDUDE_PORT = $(PORT)
- AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
- AVRDUDE_FLAGS = -F -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
- -b $(UPLOAD_RATE)
- # Program settings
- CC = avr-gcc
- CXX = avr-g++
- OBJCOPY = avr-objcopy
- OBJDUMP = avr-objdump
- SIZE = avr-size
- NM = avr-nm
- AVRDUDE = avrdude
- REMOVE = rm -f
- MV = mv -f
- # Define all object files.
- OBJ = $(SRC:.c=.o) $(CXXSRC:.cpp=.o) $(ASRC:.S=.o)
- # Define all listing files.
- LST = $(ASRC:.S=.lst) $(CXXSRC:.cpp=.lst) $(SRC:.c=.lst)
- # Combine all necessary flags and optional flags.
- # Add target processor to flags.
- ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
- ALL_CXXFLAGS = -mmcu=$(MCU) -I. $(CXXFLAGS)
- ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
- # Default target.
- all: build
- build: elf hex eep
- elf: $(TARGET).elf
- hex: $(TARGET).hex
- eep: $(TARGET).eep
- lss: $(TARGET).lss
- sym: $(TARGET).sym
- # Program the device.
- upload: $(TARGET).hex $(TARGET).eep
- $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
- # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
- COFFCONVERT=$(OBJCOPY) --debugging \
- --change-section-address .data-0x800000 \
- --change-section-address .bss-0x800000 \
- --change-section-address .noinit-0x800000 \
- --change-section-address .eeprom-0x810000
- coff: $(TARGET).elf
- $(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
- extcoff: $(TARGET).elf
- $(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
- .SUFFIXES: .elf .hex .eep .lss .sym
- .elf.hex:
- $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
- .elf.eep:
- -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
- --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
- # Create extended listing file from ELF output file.
- .elf.lss:
- $(OBJDUMP) -h -S $< > $@
- # Create a symbol table from ELF output file.
- .elf.sym:
- $(NM) -n $< > $@
- # Link: create ELF output file from object files.
- $(TARGET).elf: $(OBJ)
- $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
- # Compile: create object files from C++ source files.
- .cpp.o:
- $(CXX) -c $(ALL_CXXFLAGS) $< -o $@
- # Compile: create object files from C source files.
- .c.o:
- $(CC) -c $(ALL_CFLAGS) $< -o $@
- # Compile: create assembler files from C source files.
- .c.s:
- $(CC) -S $(ALL_CFLAGS) $< -o $@
- # Assemble: create object files from assembler source files.
- .S.o:
- $(CC) -c $(ALL_ASFLAGS) $< -o $@
- # Target: clean project.
- clean:
- $(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
- $(TARGET).map $(TARGET).sym $(TARGET).lss \
- $(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
- depend:
- if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
- then \
- sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
- $(MAKEFILE).$$$$ && \
- $(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
- fi
- echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
- >> $(MAKEFILE); \
- $(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
- .PHONY: all build elf hex eep lss sym program coff extcoff clean depend
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