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# edam's Arduino makefile
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#_______________________________________________________________________________
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# Copyright (C) 2011, 2012, 2013 Tim Marston <tim@ed.am>.
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# Copyright (C) 2011, 2012 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 and later software releases. It
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# should work GNU/Linux and OS X. To download the latest version of this
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# makefile visit the following website where you can also find documentation on
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# it's use. (The following text can only really be considered a reference.)
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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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# This makefile can be used as a drop-in replacement for the Arduino IDE's
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# build system. To use it, just copy arduino.mk in to your project directory.
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# Or, you could save it somewhere (I keep mine at ~/src/arduino.mk) and create
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# a symlink to it in your project directory, named "Makefile". For example:
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# build system. To use it, save arduino.mk somewhere (I keep mine at
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# ~/src/arduino.mk) and create a symlink to it in your project directory named
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# "Makefile". For example:
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# $ ln -s ~/src/arduino.mk Makefile
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# The Arduino software (version 1.0 or later) is required. On GNU/Linux you
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# can probably install the software from your package manager. If you are
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# using Debian (or a derivative), try `apt-get install arduino`. Otherwise,
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# you can download the Arduino software manually from http://arduino.cc/. It
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# is suggested that you install it at ~/opt/arduino (or /Applications on OS X)
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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 (or /Applications), you will need to set up the
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# ARDUINODIR environment variable to be the path where you unpacked it. (If
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# unset, ARDUINODIR defaults to some sensible places). You could set this in
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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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# For each project, you will also need to set BOARD to the type of Arduino
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# you're building for. Type `make boards` for a list of acceptable values.
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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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# 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 in
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# a project directory and if you want to be compatible with the Arduino IDE, it
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# should be called the same as the directory name.
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# that have been #included. Note, there can only be one .ino (or .pde) file.
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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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# (There is no need to define TARGET). You can also specify the BOARD here, if
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# the project has a specific one. Here is an example Makefile:
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# (There is no need to define TARGET). Here is an example Makefile:
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# SOURCES := main.cc other.cc
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# LIBRARIES := EEPROM
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# include ~/src/arduino.mk
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# Here is a complete list of configuration parameters:
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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 avrdude is. If set empty, no avrdude.conf is
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# passed to avrdude (so the system default is used).
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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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# AVRDUDEFLAGS Specify any additional flags for avrdude. The usual flags,
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# required to build the project, will be appended to this.
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# LIBRARYPATH A space-separated list of directories that is searched in order
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# when looking for Arduino libraries. This defaults to "libs",
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# "libraries" (in the project directory), then your sketchbook
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# "libraries" directory, then the Arduino libraries directory.
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# "libraries" and then the Arduino software's libraries directory.
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# SERIALDEV The POSIX device name of the serial device that is the Arduino.
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# If unspecified, an attempt is made to guess the name of a
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# connected Arduino's serial device, which may work in some cases.
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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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# 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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# default arduino software directory, check software exists
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ifndef ARDUINODIR
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ARDUINODIR := $(firstword $(wildcard ~/opt/arduino /usr/share/arduino \
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/Applications/Arduino.app/Contents/Resources/Java \
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$(HOME)/Applications/Arduino.app/Contents/Resources/Java))
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ARDUINODIR := $(firstword $(wildcard ~/opt/arduino /usr/share/arduino))
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ifeq "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)" ""
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$(error ARDUINODIR is not set correctly; arduino software not found)
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# obtain board parameters from the arduino boards.txt file
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BOARDSFILE := $(ARDUINODIR)/hardware/arduino/boards.txt
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readboardsparam = $(shell sed -ne "s/^$(BOARD).$(1)=\(.*\)/\1/p" $(BOARDSFILE))
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readboardsparam = $(shell sed -ne "s/$(BOARD).$(1)=\(.*\)/\1/p" $(BOARDSFILE))
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BOARD_BUILD_MCU := $(call readboardsparam,build.mcu)
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BOARD_BUILD_FCPU := $(call readboardsparam,build.f_cpu)
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BOARD_BUILD_VARIANT := $(call readboardsparam,build.variant)
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BOARD_BUILD_CORE := $(call readboardsparam,build.core)
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BOARD_UPLOAD_SPEED := $(call readboardsparam,upload.speed)
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BOARD_UPLOAD_PROTOCOL := $(call readboardsparam,upload.protocol)
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BOARD_USB_VID := $(call readboardsparam,build.vid)
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BOARD_BOOTLOADER_FILE := $(call readboardsparam,bootloader.file)
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# obtain preferences from the IDE's preferences.txt
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PREFERENCESFILE := $(firstword $(wildcard \
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$(HOME)/.arduino/preferences.txt $(HOME)/Library/Arduino/preferences.txt))
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PREFERENCESFILE := $(wildcard $(HOME)/.arduino/preferences.txt)
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ifneq "$(PREFERENCESFILE)" ""
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readpreferencesparam = $(shell sed -ne "s/$(1)=\(.*\)/\1/p" $(PREFERENCESFILE))
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SKETCHBOOKDIR := $(call readpreferencesparam,sketchbook.path)
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AVRSIZE := $(call findsoftware,avr-size)
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ARDUINOCOREDIR := $(ARDUINODIR)/hardware/arduino/cores/$(BOARD_BUILD_CORE)
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ARDUINOCOREDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
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LIBRARYDIRS := $(foreach lib, $(LIBRARIES), \
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$(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARYPATH)))))
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LIBRARYDIRS += $(addsuffix /utility, $(LIBRARYDIRS))
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$(ARDUINODIR)/hardware/arduino/bootloaders/$(BOARD_BOOTLOADER_PATH)
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TARGET := $(if $(TARGET),$(TARGET),a.out)
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ARDUINOLIB := .lib/arduino.a
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ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARYDIRS), \
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$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, *.c *.cpp))))
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BOOTLOADERHEX := $(addprefix \
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$(ARDUINODIR)/hardware/arduino/bootloaders/$(BOARD_BOOTLOADER_PATH)/, \
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$(BOARD_BOOTLOADER_FILE))
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BOOTLOADERHEX := $(wildcard $(BOOTLOADERDIR)/$(BOARD_BOOTLOADER_FILE))
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# avrdude confifuration
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ifeq "$(AVRDUDECONF)" ""
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stty $(STTYFARG) $(SERIALDEV) hupcl
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$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_UNLOCK):m
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$(AVRDUDE) $(AVRDUDEFLAGS) -eU lfuse:w:$(BOARD_BOOTLOADER_LFUSES):m
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$(AVRDUDE) $(AVRDUDEFLAGS) -U hfuse:w:$(BOARD_BOOTLOADER_HFUSES):m
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ifneq "$(BOARD_BOOTLOADER_EFUSES)" ""
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$(AVRDUDE) $(AVRDUDEFLAGS) -U efuse:w:$(BOARD_BOOTLOADER_EFUSES):m
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ifneq "$(BOOTLOADERHEX)" ""
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$(AVRDUDE) $(AVRDUDEFLAGS) -e -U lfuse:w:$(BOARD_BOOTLOADER_LFUSES):m \
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-U hfuse:w:$(BOARD_BOOTLOADER_HFUSES):m \
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$(patsubst %, -U efuse:w:%:m, $(BOARD_BOOTLOADER_EFUSES))
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$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(BOOTLOADERHEX):i
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$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_LOCK):m
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# building the target