/make/arduino-mk

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#_______________________________________________________________________________
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#
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typos/spelling
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#                         edam's Arduino makefile
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#_______________________________________________________________________________
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bump version no.
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#                                                                 version 0.5dev
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#
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# Copyright (C) 2011, 2012 Tim Marston <tim@ed.am>.
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#
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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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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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#_______________________________________________________________________________
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#
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#
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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 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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#
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fixed URL
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#   http://ed.am/dev/make/arduino-mk
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#
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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, 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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#
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#   $ ln -s ~/src/arduino.mk Makefile
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#
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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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#
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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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#
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#   export ARDUINODIR=~/somewhere/arduino-1.0
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#
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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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# 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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#
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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).  Here is an example Makefile:
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#
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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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#
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# Here is a complete list of configuration parameters:
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#
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# ARDUINODIR   The path where the Arduino software is installed on your system.
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#
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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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#
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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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#
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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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#
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# AVRTOOLSPATH A space-separated list of directories that is searched in order
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#              when looking for the avr build tools.  This defaults to PATH,
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#              followed by subdirectories in ARDUINODIR.
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#
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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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# CPPFLAGS     Specify any additional flags for the compiler.  The usual flags,
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#              required to build the project, will be appended to this.
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#
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# LINKFLAGS    Specify any additional flags for the linker.  The usual flags,
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#              required to build the project, will be appended to this.
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#
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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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#
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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" and then the Arduino software's libraries directory.
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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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#              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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# 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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#              automatically if a .ino (or .pde) is found.
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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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#              otherwise.
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#
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# This makefile also defines the following goals for use on the command line
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# when you run make:
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#
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# all          This is the default if no goal is specified.  It builds the
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#              target.
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#
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# target       Builds the target.
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#
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# upload       Uploads the last built target to an attached Arduino.
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#
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# clean        Deletes files created during the build.
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#
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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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#
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# size         Displays size information about the built target.
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#
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# bootloader   Burns the bootloader for your board to it.
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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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#_______________________________________________________________________________
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#
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# default arduino software directory, check software exists
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ifndef ARDUINODIR
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ARDUINODIR := $(firstword $(wildcard ~/opt/arduino /usr/share/arduino))
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endif
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ifeq "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)" ""
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$(error ARDUINODIR is not set correctly; arduino software not found)
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endif
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# default arduino version
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ARDUINOCONST ?= 100
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# default path for avr tools
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AVRTOOLSPATH ?= $(subst :, , $(PATH)) $(ARDUINODIR)/hardware/tools \
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	$(ARDUINODIR)/hardware/tools/avr/bin
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# default path to find libraries
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LIBRARYPATH ?= libraries libs $(SKETCHBOOKDIR)/libraries $(ARDUINODIR)/libraries
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# default serial device to a poor guess (something that might be an arduino)
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SERIALDEVGUESS := 0
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ifndef SERIALDEV
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SERIALDEV := $(firstword $(wildcard \
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	/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbserial* /dev/tty.usbmodem*))
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SERIALDEVGUESS := 1
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endif
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# no board?
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ifndef BOARD
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ifneq "$(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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endif
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endif
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endif
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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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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_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_USB_PID := $(call readboardsparam,build.pid)
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BOARD_BOOTLOADER_UNLOCK := $(call readboardsparam,bootloader.unlock_bits)
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BOARD_BOOTLOADER_LOCK := $(call readboardsparam,bootloader.lock_bits)
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BOARD_BOOTLOADER_LFUSES := $(call readboardsparam,bootloader.low_fuses)
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BOARD_BOOTLOADER_HFUSES := $(call readboardsparam,bootloader.high_fuses)
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BOARD_BOOTLOADER_EFUSES := $(call readboardsparam,bootloader.extended_fuses)
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BOARD_BOOTLOADER_PATH := $(call readboardsparam,bootloader.path)
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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 := $(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 := $(call readpreferencesparam,sketchbook.path)
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endif
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# invalid board?
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ifeq "$(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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endif
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endif
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endif
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# auto mode?
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INOFILE := $(wildcard *.ino *.pde)
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ifdef INOFILE
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ifneq "$(words $(INOFILE))" "1"
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$(error There is more than one .pde or .ino file in this directory!)
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endif
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# automatically determine sources and targeet
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TARGET := $(basename $(INOFILE))
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SOURCES := $(INOFILE) \
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	$(wildcard *.c *.cc *.cpp *.C) \
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	$(wildcard $(addprefix util/, *.c *.cc *.cpp *.C)) \
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	$(wildcard $(addprefix utility/, *.c *.cc *.cpp *.C))
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# automatically determine included libraries
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LIBRARIES := $(filter $(notdir $(wildcard $(addsuffix /*, $(LIBRARYPATH)))), \
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	$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(SOURCES)))
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endif
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# software
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findsoftware = $(firstword $(wildcard $(addsuffix /$(1), $(AVRTOOLSPATH))))
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CC := $(call findsoftware,avr-gcc)
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CXX := $(call findsoftware,avr-g++)
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LD := $(call findsoftware,avr-ld)
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AR := $(call findsoftware,avr-ar)
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OBJCOPY := $(call findsoftware,avr-objcopy)
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AVRDUDE := $(call findsoftware,avrdude)
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AVRSIZE := $(call findsoftware,avr-size)
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# directories
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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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# files
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TARGET := $(if $(TARGET),$(TARGET),a.out)
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OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))
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DEPFILES := $(patsubst %, .dep/%.dep, $(SOURCES))
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ARDUINOLIB := .lib/arduino.a
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ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARYDIRS), \
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build arduino static lib in .lib using full pathnames in object files (so files of the same name but in different locations can co-exist)
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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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	$(BOARD_BOOTLOADER_FILE))
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# avrdude confifuration
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ifeq "$(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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else
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AVRDUDECONF := $(wildcard $(AVRDUDE).conf)
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endif
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endif
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# flags
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CPPFLAGS += -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
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CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU)
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CPPFLAGS += -DF_CPU=$(BOARD_BUILD_FCPU) -DARDUINO=$(ARDUINOCONST)
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added support for the Leonardo
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CPPFLAGS += -DUSB_VID=$(BOARD_USB_VID) -DUSB_PID=$(BOARD_USB_PID)
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fixed CPPFLAGS -I parameters so that path expansion of '~' in ARDUINODIR works
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CPPFLAGS += -I. -Iutil -Iutility -I $(ARDUINOCOREDIR)
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CPPFLAGS += -I $(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
63 by edam
documented AVRDUDEFLAGS, CPPFLAGS, LINKFLAGS and LINBRARYPATH, cleaned up a
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CPPFLAGS += $(addprefix -I , $(LIBRARYDIRS))
36 by edam
added dependency generation to project files
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CPPDEPFLAGS = -MMD -MP -MF .dep/$<.dep
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CPPINOFLAGS := -x c++ -include $(ARDUINOCOREDIR)/Arduino.h
61 by Tim Marston
make it possible to add to CPPFLAGS, AVRDUDEFLAGS and LINKFLAGS
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AVRDUDEFLAGS += $(addprefix -C , $(AVRDUDECONF)) -DV
1 by edam
initial commit
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AVRDUDEFLAGS += -p $(BOARD_BUILD_MCU) -P $(SERIALDEV)
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AVRDUDEFLAGS += -c $(BOARD_UPLOAD_PROTOCOL) -b $(BOARD_UPLOAD_SPEED)
61 by Tim Marston
make it possible to add to CPPFLAGS, AVRDUDEFLAGS and LINKFLAGS
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LINKFLAGS += -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
1 by edam
initial commit
296
43 by edam
fixed check for stty switch, so that it works with busybox
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# figure out which arg to use with stty (for OS X, GNU and busybox stty)
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STTYFARG := $(shell stty --help 2>&1 | \
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	grep -q 'illegal option' && echo -f || echo -F)
25 by edam
added AVRDUDECONF variable; fixed some OS X issues; added SERIALDEV guess warning and invalid BOARD value error
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36 by edam
added dependency generation to project files
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# include dependencies
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ifneq "$(MAKECMDGOALS)" "clean"
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-include $(DEPFILES)
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endif
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1 by edam
initial commit
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# default rule
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.DEFAULT_GOAL := all
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#_______________________________________________________________________________
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#                                                                          RULES
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69 by edam
added support for burning bootloaders
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.PHONY:	all target upload clean boards monitor size bootloader
1 by edam
initial commit
313
35 by edam
build arduino static lib in .lib using full pathnames in object files (so files of the same name but in different locations can co-exist)
314
all: target
1 by edam
initial commit
315
2 by edam
fixed build (missing library), tested upload, and made the .elf file an intermediate file (the .hex file is now the target)
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target: $(TARGET).hex
1 by edam
initial commit
317
40 by Tim Marston
upload now depends on target (added dev to version no.)
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upload: target
13 by edam
announce that we're uploading and error on SERIALDEV blank
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	@echo "\nUploading to board..."
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	@test -n "$(SERIALDEV)" || { \
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		echo "error: SERIALDEV could not be determined automatically." >&2; \
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		exit 1; }
27 by edam
fixed test not returning 0
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	@test 0 -eq $(SERIALDEVGUESS) || { \
25 by edam
added AVRDUDECONF variable; fixed some OS X issues; added SERIALDEV guess warning and invalid BOARD value error
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		echo "*GUESSING* at serial device:" $(SERIALDEV); \
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		echo; }
66 by edam
fixed resetting Leonardos before upload
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ifeq "$(BOARD_BOOTLOADER_PATH)" "caterina"
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	stty $(STTYFARG) $(SERIALDEV) speed 1200
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	sleep 1
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endif
25 by edam
added AVRDUDECONF variable; fixed some OS X issues; added SERIALDEV guess warning and invalid BOARD value error
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	stty $(STTYFARG) $(SERIALDEV) hupcl
2 by edam
fixed build (missing library), tested upload, and made the .elf file an intermediate file (the .hex file is now the target)
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	$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i
1 by edam
initial commit
332
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clean:
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	rm -f $(OBJECTS)
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	rm -f $(TARGET).elf $(TARGET).hex $(ARDUINOLIB) *~
36 by edam
added dependency generation to project files
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	rm -rf .lib .dep
1 by edam
initial commit
337
5 by edam
updated comments; added checks for missing or misconfigured variables; use a default TARGET; attempt to autodetect SERIALDEV; added 'boards' goal; fixed use of 'util' project subdirectory.
338
boards:
69 by edam
added support for burning bootloaders
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	@echo "Available values for BOARD:"
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	@sed -nEe '/^#/d; /^[^.]+\.name=/p' $(BOARDSFILE) | \
41 by edam
updated boards goal to work on OS X (explicitly use extended REs)
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		sed -Ee 's/([^.]+)\.name=(.*)/\1            \2/' \
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			-e 's/(.{12}) *(.*)/\1 \2/'
5 by edam
updated comments; added checks for missing or misconfigured variables; use a default TARGET; attempt to autodetect SERIALDEV; added 'boards' goal; fixed use of 'util' project subdirectory.
343
9 by edam
added "monitor" goal; documented boards and monitor goals
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monitor:
13 by edam
announce that we're uploading and error on SERIALDEV blank
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	@test -n "$(SERIALDEV)" || { \
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		echo "error: SERIALDEV could not be determined automatically." >&2; \
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		exit 1; }
16 by edam
spellcheck, and added check for missing GNU screen
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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 \
63 by edam
documented AVRDUDEFLAGS, CPPFLAGS, LINKFLAGS and LINBRARYPATH, cleaned up a
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		exit 1; }
27 by edam
fixed test not returning 0
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	@test 0 -eq $(SERIALDEVGUESS) || { \
25 by edam
added AVRDUDECONF variable; fixed some OS X issues; added SERIALDEV guess warning and invalid BOARD value error
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		echo "*GUESSING* at serial device:" $(SERIALDEV); \
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		echo; }
9 by edam
added "monitor" goal; documented boards and monitor goals
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	screen $(SERIALDEV)
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34 by Tim Marston
added 'size' goal
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size: $(TARGET).elf
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	echo && $(AVRSIZE) --format=avr --mcu=$(BOARD_BUILD_MCU) $(TARGET).elf
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69 by edam
added support for burning bootloaders
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bootloader:
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	@echo "Burning bootloader to board..."
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	@test -n "$(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 0 -eq $(SERIALDEVGUESS) || { \
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		echo "*GUESSING* at serial device:" $(SERIALDEV); \
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		echo; }
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	stty $(STTYFARG) $(SERIALDEV) hupcl
368
	$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_UNLOCK):m
70 by edam
bootloader may not be specified in boards.txt
369
	$(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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endif
374
ifneq "$(BOOTLOADERHEX)" ""
69 by edam
added support for burning bootloaders
375
	$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(BOOTLOADERHEX):i
70 by edam
bootloader may not be specified in boards.txt
376
endif
69 by edam
added support for burning bootloaders
377
	$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_LOCK):m
378
1 by edam
initial commit
379
# building the target
380
2 by edam
fixed build (missing library), tested upload, and made the .elf file an intermediate file (the .hex file is now the target)
381
$(TARGET).hex: $(TARGET).elf
382
	$(OBJCOPY) -O ihex -R .eeprom $< $@
383
384
.INTERMEDIATE: $(TARGET).elf
385
1 by edam
initial commit
386
$(TARGET).elf: $(ARDUINOLIB) $(OBJECTS)
48 by edam
use a more sensible command-line oprdering when linking
387
	$(CC) $(LINKFLAGS) $(OBJECTS) $(ARDUINOLIB) -lm -o $@
1 by edam
initial commit
388
36 by edam
added dependency generation to project files
389
%.o: %.c
390
	mkdir -p .dep/$(dir $<)
391
	$(COMPILE.c) $(CPPDEPFLAGS) -o $@ $<
392
393
%.o: %.cpp
394
	mkdir -p .dep/$(dir $<)
395
	$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
396
397
%.o: %.cc
398
	mkdir -p .dep/$(dir $<)
399
	$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
400
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%.o: %.C
402
	mkdir -p .dep/$(dir $<)
403
	$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
35 by edam
build arduino static lib in .lib using full pathnames in object files (so files of the same name but in different locations can co-exist)
404
1 by edam
initial commit
405
%.o: %.ino
36 by edam
added dependency generation to project files
406
	mkdir -p .dep/$(dir $<)
407
	$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $(CPPINOFLAGS) $<
1 by edam
initial commit
408
409
%.o: %.pde
36 by edam
added dependency generation to project files
410
	mkdir -p .dep/$(dir $<)
62 by edam
added support for third party libraries and fixed support for .C c++ files
411
	$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $(CPPINOFLAGS) $<
1 by edam
initial commit
412
413
# building the arduino library
414
4 by edam
added included-library autodetection and updated comments
415
$(ARDUINOLIB): $(ARDUINOLIBOBJS)
1 by edam
initial commit
416
	$(AR) rcs $@ $?
35 by edam
build arduino static lib in .lib using full pathnames in object files (so files of the same name but in different locations can co-exist)
417
418
.lib/%.c.o: %.c
419
	mkdir -p $(dir $@)
420
	$(COMPILE.c) -o $@ $<
421
422
.lib/%.cpp.o: %.cpp
423
	mkdir -p $(dir $@)
424
	$(COMPILE.cpp) -o $@ $<
425
426
.lib/%.cc.o: %.cc
427
	mkdir -p $(dir $@)
428
	$(COMPILE.cpp) -o $@ $<
429
430
.lib/%.C.o: %.C
431
	mkdir -p $(dir $@)
14 by Dan
search for software in ARDUINODIR; include library/*/utility code in core lib
432
	$(COMPILE.cpp) -o $@ $<