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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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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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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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# 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, 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. 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 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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# You may also need to set SERIALDEV if it is not detected correctly.
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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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# 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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# SOURCES := main.cc other.cc
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# include ~/src/arduino.mk
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# Here is a complete list of configuration parameters:
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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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# 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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# 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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# BOARD Specify a target board type. Run `make boards` to see available
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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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# 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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# 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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# 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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# 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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# automatically if a .ino (or .pde) is found.
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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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# This makefile also defines the following goals for use on the command line
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# all This is the default if no goal is specified. It builds the
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# target Builds the target.
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# upload Uploads the last built target to an attached Arduino.
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# clean Deletes files created during the build.
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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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# 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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# size Displays size information about the bulit target.
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# This is a general purpose makefile for use with Arduino (arduino.cc)
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# hardware and software. It works with the arduino-1.0 release and
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# requires that to be downloaded separately.
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# There are two ways to use this file, an automatic mode and a manual
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# mode. In automatic mode, you simply copy this makefile to your
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# arduino project directory, rename it "Makefile" and type make. The
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# project directory is expected to contain an .ino or .pde file, which
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# will automatically be used automatically, along with any other .c,
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# .cc or .cpp files in the project directory and any subdirectory
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# named "utility". In this way, this makefile should act as a drop-in
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# replacement for the Arduino IDE's build process and can build a
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# project automatically from the files in a project directory.
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# Alternatively, you can manually specify what files should be
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# inclided in a build. To use this makefile manually, you might be
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# better to keep it somewhere and include it in your project's
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# Makefile after having defined certain parameters that control the
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# build. As an example, consider the following Makefile:
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# SOURCES = main.cc foo.cc
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# SERIALDEV = /dev/ttyACM0
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# include ~/src/arduino.mk
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# In both manual and automatic modes, the standard Arduino main.cpp's
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# main() is included, which expects to be able to call init() and
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# loop() in your code. The main difference is that, in manual mode,
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# these would typically be placed in a .cc or .cpp file.
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# When using manual mode, the following variables can be used:
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# TARGET The name of the target file. This is typically the same name
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# as the project directory for an arduino project and, if
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# unspecified, that is used as a default.
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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.
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# BOARD Specify a target board type. These are defined in boards.txt,
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# which came with your arduino installation. If unspecified,
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# a default is used. (See below).
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# SERIALDEV The unix device of the device where the arduino can be found.
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# If unspecified, a default is used. (See below).
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# This general-purpose makefile also defines the following goals for use on the
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# command line when you run make:
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# all This is the default if no goal is specified. It builds the
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# target and uploads it.
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# target Builds the target of your Makefile.
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# upload Uploads the target to an attached arduino.
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# clean Deletes temporary files.
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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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# default arduino software directory, check software exists
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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 preferences from the IDE's preferences.txt
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PREFERENCES_FILE := $(wildcard $(HOME)/.arduino/preferences.txt)
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ifneq "$(PREFERENCES_FILE)" ""
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$(shell sed -ne "s/sketchbook.path=\(.*\)/\1/p" $(PREFERENCES_FILE))
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# default arduino version
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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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#_______________________________________________________________________________
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# The full path to the arduino software, from arduino.cc
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ARDUINODIR := $(wildcard ~/opt/arduino-1.0)
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# The board name to build for and upload to. For a complete list of available
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# boards, see hardware/arduino/boards.txt in your arduino software directory.
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# Here is a list of available boards at time of writing:
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# atmega328 Arduino Duemilanove w/ ATmega328
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# diecimila Arduino Diecimila or Duemilanove w/ ATmega168
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# nano328 Arduino Nano w/ ATmega328
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# nano Arduino Nano w/ ATmega168
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# mega2560 Arduino Mega 2560 or Mega ADK
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# mega Arduino Mega (ATmega1280)
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# mini328 Arduino Mini w/ ATmega328
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# mini Arduino Mini w/ ATmega168
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# bt328 Arduino BT w/ ATmega328
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# bt Arduino BT w/ ATmega168
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# lilypad328 LilyPad Arduino w/ ATmega328
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# lilypad LilyPad Arduino w/ ATmega168
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# pro5v328 Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega328
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# pro5v Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega168
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# pro328 Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega328
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# pro Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega168
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# atmega168 Arduino NG or older w/ ATmega168
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# atmega8 Arduino NG or older w/ ATmega8
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# The name of the serial device that the arduino is at. For example,
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# /dev/ttyACM0 (Uno), or /dev/ttyUSB0 (Duemilanove)
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SERIALDEV := /dev/ttyACM0
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#_______________________________________________________________________________
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INOFILE := $(wildcard *.ino *.pde)
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ifneq "$(words $(INOFILE))" "1"
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$(error There is more than one .pde or .ino file in this directory!)
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ifneq ($(words $(INOFILE)), 1)
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$(error There is more than one .pde or .ino file in the directory!)
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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" $(SOURCES)))
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# no serial device? make a poor attempt to detect an arduino
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ifeq "$(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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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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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, $(LIBRARYDIRS))
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$(wildcard *.c *.cc *.cpp $(addprefix utility/, *.c *.cc *.cpp))
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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) $(LIBRARYDIRS), \
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$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, *.c *.cpp))))
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# avrdude confifuration
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ifeq "$(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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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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ARDUINOSRCDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
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ARDUINOLIB := _arduino.a
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ARDUINOLIBTMP := _arduino.a.tmp
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ARDUINOSOURCES := $(wildcard $(addprefix $(ARDUINOSRCDIR)/, *.c *.cpp))
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ARDUINOOBJECTS := $(addsuffix .o, $(addprefix $(ARDUINOLIBTMP)/, $(basename \
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$(subst $(ARDUINOSRCDIR)/,,$(ARDUINOSOURCES)))))
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# obtain parameters from the arduino boards.txt file
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BOARDS_FILE := $(ARDUINODIR)/hardware/arduino/boards.txt
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BOARD_BUILD_MCU := \
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$(shell sed -ne "s/$(BOARD).build.mcu=\(.*\)/\1/p" $(BOARDS_FILE))