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#_______________________________________________________________________________
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# edam's arduino makefile
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# edam's Arduino makefile
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#_______________________________________________________________________________
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# Copyright (c) 2011 Tim Marston <tim@ed.am>.
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# Copyright (C) 2011, 1012 Tim Marston <tim@ed.am>.
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# This is a general purpose makefile for use with Arduino hardware and
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# software. It works with the arduino-1.0 release and requires that software
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# to be downloaded separately (see http://arduino.cc/). To download the latest
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# version of this makefile, visit the following website, where you can also
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# find more information and documentation on it's use. The following text can
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# only really be considered a reference to it's use.
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# software. It works with the arduino-1.0 software release. To download the
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# latest version of this makefile, visit the following website, where you can
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# also find more information and documentation on it's use. The following text
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# can only really be considered a reference to it's use.
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# http://ed.am/dev/make/arduino-mk
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# $ ln -s ~/src/arduino.mk Makefile
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# You also need to set up a couple of environment variables. 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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# The Arduino software (version 1.0 or later) is required. If you are using
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# Debian (or a derivative), type `apt-get install arduino`. Otherwise, you
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# will have to download the Arduino software manually from http://arduino.cc/.
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# It is suggested that you install it at ~/opt/arduino if you are unsure.
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# If you downloaded the Arduino software manually and unpacked it somewhere
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# other than ~/opt/arduino, you will need to set up ARDUINODIR to be the path
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# where you unpacked it. (If unset, ARDUINODIR defaults to ~/opt/arduino and
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# then /usr/share/arduino, in that order.) You might be best to set this in
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# your ~/.profile by adding something like this:
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# export ARDUINODIR=~/somewhere/arduino-1.0
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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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# You will also need to set BOARD to the type of Arduino you're building for.
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# Type `make boards` for a list of acceptable values. You could set a default
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# in your ~/.profile if you want, but it is suggested that you specify this at
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# build time, especially if you work with different types of Arduino. For
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# $ export BOARD=uno
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# Here is a complete list of configuration parameters:
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# ARDUINODIR The path where you have installed/unpacked the arduino software
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# (from http://arduino.cc/)
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# ARDUINOCONST The arduino software version, as an integer, used to define the
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# ARDUINO version constant. This defaults to 100 if unset.
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# ARDUINODIR The path where the Arduino software is installed on your system.
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# ARDUINOCONST The Arduino software version, as an integer, used to define the
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# ARDUINO version constant. This defaults to 100 if undefined.
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# AVRDUDECONF The avrdude.conf to use. If undefined, this defaults to a guess
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# based on where the avrdude in use is. If empty, no avrdude.conf
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# is passed to avrdude (to the system default is used).
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# AVRTOOLSPATH A space-separated list of directories to search in order when
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# lookin for the avr build tools. This defaults to the system PATH
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# followed by subdirectories in ARDUINODIR if unset.
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# looking for the avr build tools. This defaults to the system PATH
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# followed by subdirectories in ARDUINODIR if undefined.
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# BOARD Specify a target board type. Run `make boards` to see available
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# LIBRARIES A list of arduino libraries to build and include. This is set
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# LIBRARIES A list of Arduino libraries to build and include. This is set
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# automatically if a .ino (or .pde) is found.
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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 name of the serial device that is the Arduino.
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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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# connected Arduino's serial device.
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# SOURCES A list of all source files of whatever language. The language
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# type is determined by the file extension. This is set
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# BOARD environment variable appropriately.
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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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# equivalent to the Arduino serial monitor.
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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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# default arduino software directory, check software exists
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ifndef ARDUINODIR
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ARDUINODIR := $(wildcard ~/opt/arduino)
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ARDUINODIR := $(firstword $(wildcard ~/opt/arduino /usr/share/arduino))
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ifeq ($(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt), )
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ifeq "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)" ""
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$(error ARDUINODIR is not set correctly; arduino software not found)
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INOFILE := $(wildcard *.ino *.pde)
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ifneq ($(words $(INOFILE)), 1)
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ifneq "$(words $(INOFILE))" "1"
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$(error There is more than one .pde or .ino file in this directory!)
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# no board? oh dear...
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ifneq "$(MAKECMDGOALS)" "boards"
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ifneq "$(MAKECMDGOALS)" "clean"
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$(error BOARD is unset. Type 'make boards' to see possible values)
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# no serial device? make a poor attempt to detect an arduino
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ifeq ($(SERIALDEV), )
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ifeq "$(SERIALDEV)" ""
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SERIALDEV := $(firstword $(wildcard \
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/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbmodem*))
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$(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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ifeq "$(AVRDUDECONF)" ""
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ifeq "$(AVRDUDE)" "$(ARDUINODIR)/hardware/tools/avr/bin/avrdude"
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AVRDUDECONF := $(ARDUINODIR)/hardware/tools/avr/etc/avrdude.conf
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AVRDUDECONF := $(wildcard $(AVRDUDE).conf)
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ifneq "$(MAKECMDGOALS)" "boards"
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ifneq "$(MAKECMDGOALS)" "clean"
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$(error BOARD is unset. Type 'make boards' to see possible values)
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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" $(BOARDS_FILE))
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ifeq "$(BOARD_BUILD_MCU)" ""
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ifneq "$(MAKECMDGOALS)" "boards"
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ifneq "$(MAKECMDGOALS)" "clean"
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$(error BOARD is invalid. Type 'make boards' to see possible values)
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CPPFLAGS := -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
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CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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@test -n "$(SERIALDEV)" || { \
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echo "error: SERIALDEV could not be determined automatically." >&2; \
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@test 0 -eq $(SERIALDEVGUESS) || { \
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echo "*GUESSING* at serial device:" $(SERIALDEV); \
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stty $(STTYFARG) $(SERIALDEV) hupcl
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$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i
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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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@test 0 -eq $(SERIALDEVGUESS) || { \
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echo "*GUESSING* at serial device:" $(SERIALDEV); \
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screen $(SERIALDEV)
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# building the target
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arduino.mk
