/make/arduino-mk : revision 13

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#

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# $ ln -s ~/src/arduino.mk Makefile

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#

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# You also need to set up a couple of environment variables. ARDUINODIR should

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# You also need to set up a couple of environment varibales. ARDUINODIR should

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# be set to the path where you unpacked the arduino software from arduino.cc

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# (it defaults to ~/opt/arduino if unset). You might be best to set this in

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# your ~/.profile by adding something like this:

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#

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# You will also need to set BOARD to the type of arduino you're using. This

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# can be done when running make (or you could set a default in ~/.profile and

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# override it as necessary). For example:

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# iverride it as necessary). For example:

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#

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# $ export BOARD=uno

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# $ make

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#

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# You may also need to set SERIALDEV if it is not detected correctly.

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#

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# The presence of a .ino or .pde file causes the arduino.mk to automatically

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# determine values for SOURCES, TARGET and LIBRARIES. Any .c, .cc and .cpp

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# files in the project directory (or any "util" or "utility" subdirectories)

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# are automatically included in the build and are scanned for Arduino libraries

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# that have been #included. Note, there can only be one .ino or .pde file.

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# The presence of a .ino or .pde file causes the arduino.mk to atuomatically

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# determine va;ues for SOURCES, TARGET and LIBRARIES. Any .c, .cc and .cpp

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# files in the project directory (or any "util" or "utility" subdirectoried)

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# are automatically included in the build and are scanned for Atduino libraries

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# that have been #included.

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#

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# Alternatively, if you want to manually specify build variables, create a

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# Makefile that defines SOURCES and LIBRARIES and then includes arduino.mk.

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# Makefile that defines SOURCES and LIBRARARIES and then includes arduino.mk.

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# (There is no need to define TARGET). Here is an example Makefile:

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#

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# SOURCES := main.cc other.cc

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# BOARD Specify a target board type. Run `make boards` to see available

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# board types.

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#

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# SERIALDEV The unix device name of the serial device that is the arduino.

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# SERIALDEV The unix device of the device where the arduino can be found.

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# If unspecified, an attempt is made to determine the name of a

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# connected arduino's serial device.

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#

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# TARGET The name of the target file. This is set automatically if a

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# .ino or .pde is found, but it is not necessary to set it

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# .ino or .pde is found, but it is not neccesary to set it

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# otherwise.

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#

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# SOURCES A list of all source files of whatever language. The language

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# boards Display a list of available board names, so that you can set the

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# BOARD environment variable appropriately.

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#

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# monitor Start `screen` on the serial device. This is meant to be an

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# equivalent to the arduino serial monitor.

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# monitor Start `screen` on the serial device. It is ment to be an

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# equivelant to the arduino serial monitor.

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#

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# <file> Builds the specified file, either an object file or the target,

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# from those that that would be built for the project.

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endif

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# no target? use default

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ifeq ($(TARGET), )

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ifndef TARGET

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TARGET := a.out

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endif

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# no serial device? attempt to detect an arduino

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ifeq ($(SERIALDEV), )

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ifndef SERIALDEV

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SERIALDEV := $(firstword $(wildcard /dev/ttyACM? /dev/ttyUSB?))

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endif

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# files

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OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))

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ARDUINOSRCDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino

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ARDUINOLIBSDIR := $(ARDUINODIR)/libraries

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ARDUINOLIB := _arduino.a

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ARDUINOLIBTMP := $(ARDUINOLIB).tmp

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ARDUINOLIBTMP := _arduino.a.tmp

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ARDUINOLIBOBJS := $(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \

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$(wildcard $(addprefix $(ARDUINOSRCDIR)/, *.c *.cpp)))))

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ARDUINOLIBOBJS += $(foreach lib, $(LIBRARIES), \

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$(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \

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$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/, *.c *.cpp)) \

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$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/utility/, *.c *.cpp)) ))))

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$(wildcard $(addprefix $(ARDUINODIR)/libraries/$(lib)/, *.c *.cpp))))))

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# obtain board parameters from the arduino boards.txt file

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BOARDS_FILE := $(ARDUINODIR)/hardware/arduino/boards.txt

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BOARD_UPLOAD_PROTOCOL := \

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$(shell sed -ne "s/$(BOARD).upload.protocol=$.*$/\1/p" $(BOARDS_FILE))

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# software (prioritise binaries that came with arduino software)

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FIND_SOFTWARE = $(firstword $(wildcard \

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$(ARDUINODIR)/hardware/tools/$(1) \

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$(ARDUINODIR)/hardware/tools/avr/bin/$(1) \

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) $(1) )

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CC := $(call FIND_SOFTWARE,avr-gcc)

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CXX := $(call FIND_SOFTWARE,avr-g++)

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LD := $(call FIND_SOFTWARE,avr-ld)

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AR := $(call FIND_SOFTWARE,avr-ar)

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OBJCOPY := $(call FIND_SOFTWARE,avr-objcopy)

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AVRDUDE := $(call FIND_SOFTWARE,avrdude)

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# software

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CC := avr-gcc

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CXX := avr-g++

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LD := avr-ld

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AR := avr-ar

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OBJCOPY := avr-objcopy

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AVRDUDE := avrdude

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# flags

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CPPFLAGS = -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections

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@test -n "$(SERIALDEV)" || { \

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echo "error: SERIALDEV could not be determined automatically." >&2; \

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exit 1; }

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@test -n `which screen` || { \

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echo "error: can't find GNU screen, you might need to install it." >&2 \

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ecit 1; }

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screen $(SERIALDEV)

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# building the target

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$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/%.cpp

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@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)

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$(COMPILE.cpp) -o $@ $<

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$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/utility/%.c

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@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)

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$(COMPILE.c) -o $@ $<

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$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/utility/%.cpp

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@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)

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$(COMPILE.cpp) -o $@ $<