/make/arduino-mk : revision 74

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#

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# edam's Arduino makefile

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#_______________________________________________________________________________

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# version 0.6dev

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# version 0.5dev

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#

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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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#

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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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# 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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#

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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 is intended to be a drop-in replacement for the Arduino IDE's

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# build system. It works with the Arduino 1.0 and 1.5 software releases, on

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# GNU/Linux and OS X. To download the latest version of this makefile visit

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# the following website where you can also find documentation on it's use.

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# (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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#

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# http://ed.am/dev/make/arduino-mk

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#

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# To use this makefile, copy arduino.mk in to your project directory. Or, you

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# could save it somewhere (I keep mine at ~/src/arduino.mk) and create a

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# symlink to it in your project directory, named "Makefile". For example:

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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 is required, version 1.0 or later, including version 1.5

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# (which is in BETA at time of release of this makefile). On GNU/Linux you can

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# probably install the software from your package manager. If you are using

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# Debian (or a derivative), try `apt-get install arduino`. Otherwise, you can

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# download the latest Arduino software manually from http://arduino.cc/. In

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# case you're unsure, 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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#

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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 directory where you unpacked it.

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# (If unset, ARDUINODIR defaults to some sensible places). You could set this

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

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#

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# export ARDUINODIR=~/somewhere/arduino-1.0.5

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#

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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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# For example:

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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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#

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# Note that if you're using the newer 1.5 Arduino software and the board you

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# want to use is availble with different processors, you will also need to

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# specify one. For example:

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#

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# $ export BOARD=mini.atmega328

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#

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

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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 which libraries to pull-in to the

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# build (although you can still override thius by setting LIBRARIES). Any .c,

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# .cc and .cpp files in the project directory (or any "util" or "utility"

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# subdirectories) are automatically included in the build and are scanned for

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# Arduino libraries that have been #included. Note, there can only be one .ino

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# (or .pde) file in a project directory and if you want to be compatible with

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# the Arduino IDE, it should be called the same as the directory name.

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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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# (You don't 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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#

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# SOURCES := main.cc other.cc

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# LIBRARIES := EEPROM

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# BOARD := pro5v

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# include ~/src/arduino.mk

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#

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# Here is a complete list of environment variables that affect the build:

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# Here is a complete list of configuration parameters:

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#

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# ARDUINODIR The directory where the Arduino software resides on your system.

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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 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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#

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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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# 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. For Arduino 1.5, you will also need to specify a

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# processor if the board supports multiple processors (see above).

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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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# 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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#

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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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#

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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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#

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# target Builds the target.

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#

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# upload Uploads the target (building it, as necessary) to an attached

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# Arduino.

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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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#_______________________________________________________________________________

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#

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# default arduino software directory

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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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endif

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# check arduino software exists and determine available backends

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ifneq "" "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)"

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ARDUINOBACKENDS := /

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else ifneq "" "$(wildcard $(ARDUINODIR)/hardware/arduino/avr/boards.txt)"

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ARDUINOBACKENDS := /avr /sam

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else

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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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endif

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endif

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# obtain board parameters from the arduino boards.txt file(s)

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BOARDSFILES := $(foreach dir, $(ARDUINOBACKENDS), \

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$(ARDUINODIR)/hardware/arduino$(dir)/boards.txt)

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readboardsparam = $(firstword \

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$(shell sed -ne "s/^menu\\.cpu\\.$(BOARD)\\.$(1)=$.*$/\1/Ip" \

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$(BOARDSFILES)) \

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$(shell sed -ne "s/^$(basename $(BOARD))\\.$(1)=$.*$/\1/Ip" \

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$(BOARDSFILES)))

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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_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_PATH := $(call readboardsparam,bootloader.path)

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BOARD_BOOTLOADER_FILE := $(call readboardsparam,bootloader.file)

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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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# 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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SKETCHBOOKDIR := $(call readpreferencesparam,sketchbook.path)

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endif

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# arduino directories

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ARDUINOBACKENDDIR := $(strip $(foreach dir, $(ARDUINOBACKENDS), \

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$(if $(shell grep ^$(basename $(BOARD))\\.name \

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$(ARDUINODIR)/hardware/arduino$(dir)/boards.txt), \

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$(ARDUINODIR)/hardware/arduino$(dir))))

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ARDUINOCOREDIR := $(ARDUINOBACKENDDIR)/cores/$(BOARD_BUILD_CORE)

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# default library path (places to look for libraries)

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LIBRARYPATH ?= libraries libs $(SKETCHBOOKDIR)/libraries \

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$(ARDUINODIR)/libraries $(ARDUINOBACKENDDIR)/libraries

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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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$(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 target

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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 *.s *.S) \

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$(wildcard $(addprefix util/, *.c *.cc *.cpp *.C *.s *.S)) \

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$(wildcard $(addprefix utility/, *.c *.cc *.cpp *.C *.s *.S))

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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 library directories (to pull library sources in from)

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# by matching included headers in poject sources to headers that exist in the

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# roots of any library directories, giving priority to libraries in the order

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# they're in LIBRARYPATH, and then to the alphabetically-greater named library

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# (this is a really stupid way of doing it, but it's how the IDE works -- if

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# it's causing problems, you can override it by setting LIBRARIES manually)

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INCLUDEDHEADERS := \

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$(shell sed -nre "s/^\s*\#\s*include\s*[<\"](\S+\.h)[>\"].*/\1/p" \

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$(SOURCES))

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reverse = $(if $(1),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) \

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$(firstword $(1))

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LIBRARYHEADERS := $(foreach dir, $(LIBRARYPATH), \

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$(call reverse, $(sort $(wildcard $(dir)/*))))

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LIBRARYHEADERS := $(foreach dir, $(LIBRARYHEADERS), $(wildcard $(dir)/*.h))

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LIBRARYDIRS := $(foreach hdr, $(INCLUDEDHEADERS), $(patsubst %/$(hdr), %, \

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$(firstword $(filter %/$(hdr), $(LIBRARYHEADERS)))))

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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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# expand LIBRARYDIRS (initialised from LIBRARIES, if specified)

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ifneq "$(LIBRARIES)" ""

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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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endif

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LIBRARYDIRS := $(LIBRARYDIRS) $(addsuffix /utility, $(LIBRARYDIRS))

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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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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)/, \

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*.c *.cc *.cpp *.C *.s *.S))))

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$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, *.c *.cpp))))

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BOOTLOADERHEX := $(addprefix \

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$(ARDUINOBACKENDDIR)/bootloaders/$(BOARD_BOOTLOADER_PATH)/, \

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$(ARDUINODIR)/hardware/arduino/bootloaders/$(BOARD_BOOTLOADER_PATH)/, \

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$(BOARD_BOOTLOADER_FILE))

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# software

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BUILDTOOLSPATH ?= $(subst :, , $(PATH)) $(ARDUINODIR)/hardware/tools \

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

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findsoftware = $(firstword $(wildcard $(addsuffix /$(1), $(BUILDTOOLSPATH))))

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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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AS := $(call findsoftware,avr-as)

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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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# default arduino version

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ARDUINOCONST ?= $(if $(filter /, $(ARDUINOBACKENDS)),100,150)

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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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# avrdude confifuration

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ifeq "$(AVRDUDECONF)" ""

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ifeq "$(AVRDUDE)" "$(ARDUINODIR)/hardware/tools/avr/bin/avrdude"

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CPPFLAGS += -DF_CPU=$(BOARD_BUILD_FCPU) -DARDUINO=$(ARDUINOCONST)

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CPPFLAGS += -DUSB_VID=$(BOARD_USB_VID) -DUSB_PID=$(BOARD_USB_PID)

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CPPFLAGS += -I. -Iutil -Iutility -I $(ARDUINOCOREDIR)

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CPPFLAGS += -I $(ARDUINOBACKENDDIR)/variants/$(BOARD_BUILD_VARIANT)/

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CPPFLAGS += -I $(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/

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CPPFLAGS += $(addprefix -I , $(LIBRARYDIRS))

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CPPDEPFLAGS = -MMD -MP -MF .dep/$<.dep

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CPPINOFLAGS := -x c++ -include $(ARDUINOCOREDIR)/Arduino.h

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AVRDUDEFLAGS += $(addprefix -C , $(AVRDUDECONF)) -DV

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AVRDUDEFLAGS += -p$(BOARD_BUILD_MCU) -P$(SERIALDEV) -c$(BOARD_UPLOAD_PROTOCOL)

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AVRDUDEFLAGS += $(addprefix -b, $(BOARD_UPLOAD_SPEED))

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AVRDUDEFLAGS += -p $(BOARD_BUILD_MCU) -P $(SERIALDEV)

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AVRDUDEFLAGS += -c $(BOARD_UPLOAD_PROTOCOL) -b $(BOARD_UPLOAD_SPEED)

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LINKFLAGS += -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)

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# figure out which arg to use with stty (for OS X, GNU and busybox stty)

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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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else ifeq "" "$(filter net:% usb:%,$(SERIALDEV))"

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endif

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stty $(STTYFARG) $(SERIALDEV) hupcl

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endif

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$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i

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clean:

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rm -rf .lib .dep

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boards:

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@echo "Available BOARD values:"

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@sed -nre '/^\w+\.name=/p; /^menu\.cpu\.\w+\.\w+=/p;' $(BOARDSFILES) | \

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sed -re 's/(\w+)\.name=(.*)/\1 \2/' \

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-e 's/menu.cpu.\w+(\.\w+)=(.*)/ \1 --\2/' \

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-e 's/(.{19}) *(.*)/ \1 \2/; s/--/ w\/ /;'

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ifneq "$(ARDUINOBACKENDS)" "/"

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@echo

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@echo "NOTE: where a board supports multiple CPUs, you must specify" \

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"one. For example,"

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@echo "'uno' is OK, and so is 'pro.16mhzatmega328'. But 'pro', on" \

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"its own, is not."

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endif

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@echo "Available values for BOARD:"

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@sed -nEe '/^#/d; /^[^.]+\.name=/p' $(BOARDSFILE) | \

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sed -Ee 's/([^.]+)\.name=(.*)/\1 \2/' \

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-e 's/(.{12}) *(.*)/\1 \2/'

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monitor:

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

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screen $(SERIALDEV)

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size: $(TARGET).elf

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echo "\n" && $(AVRSIZE) --format=avr --mcu=$(BOARD_BUILD_MCU) $(TARGET).elf

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echo && $(AVRSIZE) --format=avr --mcu=$(BOARD_BUILD_MCU) $(TARGET).elf

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bootloader:

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@echo "Burning bootloader to board..."

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$(TARGET).elf: $(ARDUINOLIB) $(OBJECTS)

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$(CC) $(LINKFLAGS) $(OBJECTS) $(ARDUINOLIB) -lm -o $@

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%.o: %.ino

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mkdir -p .dep/$(dir $<)

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

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%.o: %.pde

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mkdir -p .dep/$(dir $<)

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

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%.o: %.c

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mkdir -p .dep/$(dir $<)

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

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mkdir -p .dep/$(dir $<)

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

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%.o: %.S

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mkdir -p .dep/$(dir $<)

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$(COMPILE.S) $(CPPDEPFLAGS) -o $@ $<

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%.o: %.ino

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mkdir -p .dep/$(dir $<)

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

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%.o: %.pde

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mkdir -p .dep/$(dir $<)

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

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# building the arduino library

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mkdir -p $(dir $@)

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

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.lib/%.s.o: %.s

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mkdir -p $(dir $@)

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

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.lib/%.S.o: %.S

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mkdir -p $(dir $@)

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

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# Local Variables:

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# mode: makefile

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# tab-width: 4