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275 lines
8.3 KiB
275 lines
8.3 KiB
#
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# Arduino 0022 Makefile
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# Uno with DOGS102 Shield
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#
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# written by olikraus@gmail.com
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#
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# Features:
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# - boards.txt is used to derive parameters
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# - All intermediate files are put into a separate directory (TMPDIRNAME)
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# - Simple use: Copy Makefile into the same directory of the .pde file
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#
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# Limitations:
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# - requires UNIX environment
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# - TMPDIRNAME must be subdirectory of the current directory.
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#
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# Targets
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# all build everything
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# upload build and upload to arduino
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# clean remove all temporary files (includes final hex file)
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#
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# History
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# 001 28 Apr 2010 first release
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# 002 05 Oct 2010 added 'uno'
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#
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#=== user configuration ===
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# All ...PATH variables must have a '/' at the end
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# Board (and prozessor) information: see $(ARDUINO_PATH)hardware/arduino/boards.txt
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# Some examples:
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# BOARD DESCRIPTION
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# uno Arduino Uno
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# atmega328 Arduino Duemilanove or Nano w/ ATmega328
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# diecimila Arduino Diecimila, Duemilanove, or Nano w/ ATmega168
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# mega Arduino Mega
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# mini Arduino Mini
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# lilypad328 LilyPad Arduino w/ ATmega328
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BOARD:=mega
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# additional (comma separated) defines
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# -DDOGM128_HW board is connected to DOGM128 display
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# -DDOGM132_HW board is connected to DOGM132 display
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# -DDOGS102_HW board is connected to DOGS102 display
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# -DDOG_REVERSE 180 degree rotation
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# -DDOG_SPI_SW_ARDUINO force SW shiftOut
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DEFS=-DDOGS102_HW -DDOG_DOUBLE_MEMORY -DDOG_SPI_SW_ARDUINO
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# The location where the avr tools (e.g. avr-gcc) are located. Requires a '/' at the end.
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# Can be empty if all tools are accessable through the search path
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AVR_TOOLS_PATH:=/usr/bin/
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# Install path of the arduino software. Requires a '/' at the end.
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ARDUINO_PATH:=/home/bkubicek/software/arduino-0022/
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# Install path for avrdude. Requires a '/' at the end. Can be empty if avrdude is in the search path.
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AVRDUDE_PATH:=
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# The unix device where we can reach the arduino board
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# Uno: /dev/ttyACM0
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# Duemilanove: /dev/ttyUSB0
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AVRDUDE_PORT:=/dev/ttyACM0
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# List of all libaries which should be included.
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#EXTRA_DIRS=$(ARDUINO_PATH)libraries/LiquidCrystal/
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#EXTRA_DIRS+=$(ARDUINO_PATH)libraries/Dogm/
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#EXTRA_DIRS+=/home/kraus/src/arduino/dogm128/hg/libraries/Dogm/
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#=== fetch parameter from boards.txt processor parameter ===
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# the basic idea is to get most of the information from boards.txt
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BOARDS_TXT:=$(ARDUINO_PATH)hardware/arduino/boards.txt
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# get the MCU value from the $(BOARD).build.mcu variable. For the atmega328 board this is atmega328p
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MCU:=$(shell sed -n -e "s/$(BOARD).build.mcu=\(.*\)/\1/p" $(BOARDS_TXT))
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# get the F_CPU value from the $(BOARD).build.f_cpu variable. For the atmega328 board this is 16000000
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F_CPU:=$(shell sed -n -e "s/$(BOARD).build.f_cpu=\(.*\)/\1/p" $(BOARDS_TXT))
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# avrdude
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# get the AVRDUDE_UPLOAD_RATE value from the $(BOARD).upload.speed variable. For the atmega328 board this is 57600
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AVRDUDE_UPLOAD_RATE:=$(shell sed -n -e "s/$(BOARD).upload.speed=\(.*\)/\1/p" $(BOARDS_TXT))
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# get the AVRDUDE_PROGRAMMER value from the $(BOARD).upload.protocol variable. For the atmega328 board this is stk500
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# AVRDUDE_PROGRAMMER:=$(shell sed -n -e "s/$(BOARD).upload.protocol=\(.*\)/\1/p" $(BOARDS_TXT))
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# use stk500v1, because stk500 will default to stk500v2
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AVRDUDE_PROGRAMMER:=stk500v1
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#=== identify user files ===
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PDESRC:=$(shell ls *.pde)
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TARGETNAME=$(basename $(PDESRC))
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CDIRS:=$(EXTRA_DIRS) $(addsuffix utility/,$(EXTRA_DIRS))
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CDIRS:=*.c utility/*.c $(addsuffix *.c,$(CDIRS)) $(ARDUINO_PATH)hardware/arduino/cores/arduino/*.c
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CSRC:=$(shell ls $(CDIRS) 2>/dev/null)
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CCSRC:=$(shell ls *.cc 2>/dev/null)
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CPPDIRS:=$(EXTRA_DIRS) $(addsuffix utility/,$(EXTRA_DIRS))
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CPPDIRS:=*.cpp utility/*.cpp $(addsuffix *.cpp,$(CPPDIRS)) $(ARDUINO_PATH)hardware/arduino/cores/arduino/*.cpp
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CPPSRC:=$(shell ls $(CPPDIRS) 2>/dev/null)
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#=== build internal variables ===
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# the name of the subdirectory where everything is stored
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TMPDIRNAME:=tmp
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TMPDIRPATH:=$(TMPDIRNAME)/
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AVRTOOLSPATH:=$(AVR_TOOLS_PATH)
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OBJCOPY:=$(AVRTOOLSPATH)avr-objcopy
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OBJDUMP:=$(AVRTOOLSPATH)avr-objdump
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SIZE:=$(AVRTOOLSPATH)avr-size
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CPPSRC:=$(addprefix $(TMPDIRPATH),$(PDESRC:.pde=.cpp)) $(CPPSRC)
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COBJ:=$(CSRC:.c=.o)
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CCOBJ:=$(CCSRC:.cc=.o)
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CPPOBJ:=$(CPPSRC:.cpp=.o)
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OBJFILES:=$(COBJ) $(CCOBJ) $(CPPOBJ)
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DIRS:= $(dir $(OBJFILES))
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DEPFILES:=$(OBJFILES:.o=.d)
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# assembler files from avr-gcc -S
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ASSFILES:=$(OBJFILES:.o=.s)
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# disassembled object files with avr-objdump -S
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DISFILES:=$(OBJFILES:.o=.dis)
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LIBNAME:=$(TMPDIRPATH)$(TARGETNAME).a
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ELFNAME:=$(TMPDIRPATH)$(TARGETNAME).elf
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HEXNAME:=$(TMPDIRPATH)$(TARGETNAME).hex
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AVRDUDE_FLAGS = -V -F
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AVRDUDE_FLAGS += -C $(ARDUINO_PATH)/hardware/tools/avrdude.conf
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AVRDUDE_FLAGS += -p $(MCU)
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AVRDUDE_FLAGS += -P $(AVRDUDE_PORT)
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AVRDUDE_FLAGS += -c $(AVRDUDE_PROGRAMMER)
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AVRDUDE_FLAGS += -b $(AVRDUDE_UPLOAD_RATE)
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AVRDUDE_FLAGS += -U flash:w:$(HEXNAME)
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AVRDUDE = avrdude
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#=== predefined variable override ===
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# use "make -p -f/dev/null" to see the default rules and definitions
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# Build C and C++ flags. Include path information must be placed here
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COMMON_FLAGS = -DF_CPU=$(F_CPU) -mmcu=$(MCU) $(DEFS)
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# COMMON_FLAGS += -gdwarf-2
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COMMON_FLAGS += -Os
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COMMON_FLAGS += -Wall -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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COMMON_FLAGS += -I.
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COMMON_FLAGS += -I$(ARDUINO_PATH)hardware/arduino/cores/arduino
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COMMON_FLAGS += $(addprefix -I,$(EXTRA_DIRS))
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COMMON_FLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections
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COMMON_FLAGS += -Wl,--relax
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COMMON_FLAGS += -mcall-prologues
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CFLAGS = $(COMMON_FLAGS) -std=gnu99 -Wstrict-prototypes
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CXXFLAGS = $(COMMON_FLAGS)
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# Replace standard build tools by avr tools
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CC = $(AVRTOOLSPATH)avr-gcc
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CXX = $(AVRTOOLSPATH)avr-g++
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AR = @$(AVRTOOLSPATH)avr-ar
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# "rm" must be able to delete a directory tree
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RM = rm -rf
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#=== rules ===
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# add rules for the C/C++ files where the .o file is placed in the TMPDIRPATH
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# reuse existing variables as far as possible
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$(TMPDIRPATH)%.o: %.c
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@echo compile $<
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@$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(TMPDIRPATH)%.o: %.cc
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@echo compile $<
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@$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(TMPDIRPATH)%.o: %.cpp
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@echo compile $<
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@$(COMPILE.cpp) $(OUTPUT_OPTION) $<
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$(TMPDIRPATH)%.s: %.c
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@$(COMPILE.c) $(OUTPUT_OPTION) -S $<
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$(TMPDIRPATH)%.s: %.cc
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@$(COMPILE.cc) $(OUTPUT_OPTION) -S $<
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$(TMPDIRPATH)%.s: %.cpp
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@$(COMPILE.cpp) $(OUTPUT_OPTION) -S $<
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$(TMPDIRPATH)%.dis: $(TMPDIRPATH)%.o
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@$(OBJDUMP) -S $< > $@
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.SUFFIXES: .elf .hex .pde
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.elf.hex:
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@$(OBJCOPY) -O ihex -R .eeprom $< $@
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$(TMPDIRPATH)%.cpp: %.pde
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@cat $(ARDUINO_PATH)hardware/arduino/cores/arduino/main.cpp > $@
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@cat $< >> $@
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@echo >> $@
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@echo 'extern "C" void __cxa_pure_virtual() { while (1); }' >> $@
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.PHONY: all
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all: tmpdir $(HEXNAME) assemblersource showsize
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ls -al $(HEXNAME) $(ELFNAME)
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$(ELFNAME): $(LIBNAME)($(addprefix $(TMPDIRPATH),$(OBJFILES)))
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$(LINK.o) $(COMMON_FLAGS) $(LIBNAME) $(LOADLIBES) $(LDLIBS) -o $@
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$(LIBNAME)(): $(addprefix $(TMPDIRPATH),$(OBJFILES))
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#=== create temp directory ===
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# not really required, because it will be also created during the dependency handling
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.PHONY: tmpdir
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tmpdir:
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@test -d $(TMPDIRPATH) || mkdir $(TMPDIRPATH)
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#=== create assembler files for each C/C++ file ===
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.PHONY: assemblersource
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assemblersource: $(addprefix $(TMPDIRPATH),$(ASSFILES)) $(addprefix $(TMPDIRPATH),$(DISFILES))
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#=== show the section sizes of the ELF file ===
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.PHONY: showsize
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showsize: $(ELFNAME)
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$(SIZE) $<
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#=== clean up target ===
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# this is simple: the TMPDIRPATH is removed
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.PHONY: clean
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clean:
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$(RM) $(TMPDIRPATH)
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# Program the device.
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# step 1: reset the arduino board with the stty command
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# step 2: user avrdude to upload the software
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.PHONY: upload
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upload: $(HEXNAME)
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stty -F $(AVRDUDE_PORT) hupcl
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$(AVRDUDE) $(AVRDUDE_FLAGS)
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# === dependency handling ===
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# From the gnu make manual (section 4.14, Generating Prerequisites Automatically)
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# Additionally (because this will be the first executed rule) TMPDIRPATH is created here.
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# Instead of "sed" the "echo" command is used
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# cd $(TMPDIRPATH); mkdir -p $(DIRS) 2> /dev/null; cd ..
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DEPACTION=test -d $(TMPDIRPATH) || mkdir $(TMPDIRPATH);\
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mkdir -p $(addprefix $(TMPDIRPATH),$(DIRS));\
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set -e; echo -n $@ $(dir $@) > $@; $(CC) -MM $(COMMON_FLAGS) $< >> $@
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$(TMPDIRPATH)%.d: %.c
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@$(DEPACTION)
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$(TMPDIRPATH)%.d: %.cc
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@$(DEPACTION)
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$(TMPDIRPATH)%.d: %.cpp
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@$(DEPACTION)
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# Include dependency files. If a .d file is missing, a warning is created and the .d file is created
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# This warning is not a problem (gnu make manual, section 3.3 Including Other Makefiles)
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-include $(addprefix $(TMPDIRPATH),$(DEPFILES))
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