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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
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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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# This is a general purpose makefile for use with Arduino hardware and
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# software. It works with the arduino-1.0 release and requires that
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# software to be downloaded separately (see http://arduino.cc/). To
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# download the latest version of this makefile, visit the following
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# website, where you can also find more information and documentation
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# on it's use. The following text can only really be considered a
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# reference to it's use.
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# http://ed.am/dev/make/arduino-makefile
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# To install, it is suggested that you keep arduino.mk somewhere and
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# either symlink to it or include it in your make files. I keep mine
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# at ~/src/arduino.mk. You will need to alter the value of the
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# ARDUINODIR variable (below) to be the path where you have unpacked
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# the arduino software from arduino.cc.
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# This makefile can be used as a drop-in replacement for the Arduino
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# IDE's build system. Simply create a symlink to it under the name
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# "Makefile" and run make as described below (remembering to specify a
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# BOARD). You would create the symlink like like so:
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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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# http://ed.am/dev/make/arduino-mk
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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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# $ ln -s ~/src/arduino.mk Makefile
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# The presence of a .ino or .pde file causes the arduino.mk to
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# atuomatically determine va;ues for SOURCES, TARGET and LIBRARIES.
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# Any .c, .cc and .cpp files in the project directory (or a "util" or
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# "utility" subdirectory) are automatically included in the build and
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# are scanned for libraries that have been #included.
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# Alternatively, if you want to manually specify build variables,
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# create a Makefile that defines SOURCES and LIBRARARIES and then
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# includes arduino.mk. (There is no need to define TARGET). You will
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# also be expected to provide a main() function, for example in
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# main.cc, which may or may not duplicate the functionality of the
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# default main() that calls init() and loop(). Here is an example
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# SOURCES := main.cc foo.cc
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# The Arduino software (version 1.0 or later, including the new 1.5 BETA) is
46
# required. On GNU/Linux you can probably install the software from your
47
# package manager. If you are using Debian (or a derivative), try `apt-get
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# install arduino`. Otherwise, you can download the Arduino software manually
49
# from http://arduino.cc/. It is suggested that you install it at
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# ~/opt/arduino (or /Applications on OS X) if you are unsure.
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# If you downloaded the Arduino software manually and unpacked it somewhere
53
# *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
56
# in your ~/.profile by adding something like this:
58
# export ARDUINODIR=~/somewhere/arduino-1.0.5
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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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# 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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# $ export BOARD=mini.atmega328
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# You may also need to set SERIALDEV if your Arduino 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 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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# 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:
88
# SOURCES := main.cc other.cc
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# LIBRARIES := EEPROM
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# include ~/src/arduino.mk
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# A complete list of all the settings you can use in your Makefile
72
# follows shortly. It should be noted, however, that some variables
73
# are better specified in the environment or on the command line than
74
# in a Makefile. Specifically, the BOARD and SERIALDEV (if it is not
75
# automatically detected).
77
# When running make, you might want to specify the board type:
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# Or in the environment:
83
# $ export BOARD=pro5v
86
# For a list of available board types, run `make boards`.
88
# Here is a list of all configuration parameters:
90
# BOARD Specify a target board type.
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# SERIALDEV The unix device of the device where the arduino can be
93
# found. If unspecified, an attempt is made to determine
94
# the name of a connected arduino's serial device.
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# The following configuration parameters can be determined automatically:
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# TARGET The name of the target file. This need not be set if it
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# is not determined automatically.
101
# SOURCES A list of all source files of whatever language. The
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# language type is determined by the file extension.
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# LIBRARIES A list of arduino libraries to build and include.
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# This general-purpose makefile also defines the following goals for
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# use on the command line when you run make:
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# all This is the default if no goal is specified. It builds
110
# the target and uploads it.
112
# target Builds the target of your Makefile.
114
# upload Uploads the target to an attached arduino.
116
# clean Deletes temporary files.
118
# <file> Builds the specified file, either an object file or the
119
# target, from those that that would be built for the
93
# Here is a complete list of environment variables that affect the build:
95
# ARDUINODIR The directory where the Arduino software resides on your system.
97
# ARDUINOCONST The Arduino software version, as an integer, used to define the
98
# ARDUINO version constant. This defaults to 100 if undefined.
100
# AVRDUDECONF The avrdude.conf to use. If undefined, this defaults to a guess
101
# based on where avrdude is. If set empty, no avrdude.conf is
102
# passed to avrdude (so the system default is used).
104
# AVRDUDEFLAGS Specify any additional flags for avrdude. The usual flags,
105
# required to build the project, will be appended to this.
107
# AVRTOOLSPATH A space-separated list of directories that is searched in order
108
# when looking for the avr build tools. This defaults to PATH,
109
# followed by subdirectories in ARDUINODIR.
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# BOARD Specify a target board type. Run `make boards` to see available
112
# board types. For Arduino 1.5, you will also need to specify a
113
# processor if the board supports multiple processors (see above).
115
# 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,
119
# 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",
126
# "libraries" (in the project directory), then your sketchbook
127
# "libraries" directory, then the Arduino libraries directory.
129
# SERIALDEV The POSIX device name of the serial device that is the Arduino.
130
# If unspecified, an attempt is made to guess the name of a
131
# connected Arduino's serial device, which may work in some cases.
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# SOURCES A list of all source files of whatever language. The language
134
# type is determined by the file extension. This is set
135
# automatically if a .ino (or .pde) is found.
137
# TARGET The name of the target file. This is set automatically if a
138
# .ino (or .pde) is found, but it is not necessary to set it
141
# This makefile also defines the following goals for use on the command line
144
# all This is the default if no goal is specified. It builds the
147
# target Builds the target.
149
# upload Uploads the target (building it, as necessary) to an attached
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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
155
# BOARD environment variable appropriately.
157
# monitor Start `screen` on the serial device. This is meant to be an
158
# equivalent to the Arduino serial monitor.
160
# size Displays size information about the built target.
162
# bootloader Burns the bootloader for your board to it.
164
# <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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#_______________________________________________________________________________
125
# The full path to the arduino software, from arduino.cc
126
ARDUINODIR := $(wildcard ~/opt/arduino-1.0)
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# check arduino software
129
ifeq ($(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt), )
130
$(error ARDUINODIR is not set correctly at the top of arduino.mk)
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# default arduino software directory
171
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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# check ARDUINODIR (and determine which backends are available)
177
ifneq "" "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)"
179
else ifneq "" "$(wildcard $(ARDUINODIR)/hardware/arduino/avr/boards.txt)"
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ARDUINOBACKENDS := /avr /sam
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$(error ARDUINODIR is not set correctly; arduino software not found)
187
ifneq "$(MAKECMDGOALS)" "boards"
188
ifneq "$(MAKECMDGOALS)" "clean"
189
$(error BOARD is unset. Type 'make boards' to see possible values)
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# obtain board parameters from the arduino boards.txt file(s)
195
BOARDSFILES := $(foreach dir, $(ARDUINOBACKENDS), \
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$(ARDUINODIR)/hardware/arduino$(dir)/boards.txt)
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ifeq "$(ARDUINOBACKENDS)" "/"
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readboardsparam = $(shell sed -ne "s/^$(BOARD)\\.$(1)=\(.*\)/\1/p" \
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readboardsparam = $(firstword \
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$(call readboardsmenuparam,$(1),$(basename $(BOARD)),$(suffix $(BOARD))) \
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$(shell sed -ne "s/^$(basename $(BOARD))\\.$(1)=\(.*\)/\1/p" \
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ifneq "$(wildcard /usr/bin/perl)" ""
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readboardsmenuparam = $(shell perl -ne \
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'/^$(2)\.menu\.cpu/ && s/.*$(3)\.$(1)=(.*)/\1/i && print' $(BOARDSFILES))
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readboardsmenuparam = $(shell sed -ne '/^$(2)\.menu\.cpu/ {' \
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-e 's/.*$(3)\.$(1)=\(.*\)/\1/p' -e '}' $(BOARDSFILES))
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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_BUILD_BOARD := $(call readboardsparam,build.board)
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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 := $(call readboardsparam,bootloader.file)
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ifeq "$(BOARD_BUILD_MCU)" ""
232
ifneq "$(MAKECMDGOALS)" "boards"
233
ifneq "$(MAKECMDGOALS)" "clean"
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$(error BOARD is invalid. Type 'make boards' to see possible values)
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# obtain preferences from the IDE's preferences.txt
240
PREFERENCESFILE := $(firstword $(wildcard \
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$(HOME)/.arduino/preferences.txt $(HOME)/Library/Arduino/preferences.txt))
242
ifneq "$(PREFERENCESFILE)" ""
243
readpreferencesparam = $(shell sed -ne "s/$(1)=\(.*\)/\1/p" $(PREFERENCESFILE))
244
SKETCHBOOKDIR := $(call readpreferencesparam,sketchbook.path)
247
# arduino directories
248
ARDUINOBACKENDDIR := $(strip $(foreach dir, $(ARDUINOBACKENDS), \
249
$(if $(shell grep ^$(basename $(BOARD))\\.name \
250
$(ARDUINODIR)/hardware/arduino$(dir)/boards.txt), \
251
$(ARDUINODIR)/hardware/arduino$(dir))))
252
ARDUINOBACKENDARCH=AVR
253
ARDUINOCOREDIR := $(ARDUINOBACKENDDIR)/cores/$(BOARD_BUILD_CORE)
255
# default library path (places to look for libraries)
256
LIBRARYPATH ?= libraries libs $(SKETCHBOOKDIR)/libraries \
257
$(ARDUINODIR)/libraries $(ARDUINOBACKENDDIR)/libraries
134
260
INOFILE := $(wildcard *.ino *.pde)
136
ifneq ($(words $(INOFILE)), 1)
262
ifneq "$(words $(INOFILE))" "1"
137
263
$(error There is more than one .pde or .ino file in this directory!)
266
# automatically determine sources and target
139
267
TARGET := $(basename $(INOFILE))
140
268
SOURCES := $(INOFILE) \
141
$(wildcard *.c *.cc *.cpp) \
142
$(wildcard $(addprefix util/, *.c *.cc *.cpp)) \
143
$(wildcard $(addprefix utility/, *.c *.cc *.cpp))
144
# automatically determine included libraries
145
ARDUINOLIBSAVAIL := $(notdir $(wildcard $(ARDUINODIR)/libraries/*))
146
LIBRARIES := $(filter $(ARDUINOLIBSAVAIL), \
147
$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(SOURCES)))
150
# no target? use default
155
# no serial device? attempt to detect an arduino
157
SERIALDEV := $(firstword $(wildcard /dev/ttyACM? /dev/ttyUSB?))
160
# no board? oh dear...
162
ifneq "$(MAKECMDGOALS)" "boards"
163
ifneq "$(MAKECMDGOALS)" "clean"
164
$(error BOARD is unset. Type 'make boards' to see possible values)
269
$(wildcard *.c *.cc *.cpp *.C *.s *.S) \
270
$(wildcard $(addprefix util/, *.c *.cc *.cpp *.C *.s *.S)) \
271
$(wildcard $(addprefix utility/, *.c *.cc *.cpp *.C *.s *.S))
273
# automatically determine library directories (to pull library sources in from)
274
# by matching included headers in project sources to headers that exist in the
275
# roots of any library directories, giving priority to libraries in the order
276
# they're in LIBRARYPATH, and then to the alphabetically-greater named library
277
# (this is a really stupid way of doing it, but it's how the IDE works -- if
278
# it's causing problems, you can override it by setting LIBRARIES manually)
279
INCLUDEDHEADERS := $(shell sed -ne '/^[ \t]*\#[ \t]*include[ \t<"]/ {' \
280
-e 's/^.*[<"]\(.*\)[>"].*/\1/p' -e '}' $(SOURCES))
281
reverse = $(if $(1),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) \
283
LIBRARYHEADERS := $(foreach dir, $(LIBRARYPATH), \
284
$(call reverse, $(sort $(wildcard $(dir)/*))))
285
LIBRARYHEADERS := $(foreach dir, $(LIBRARYHEADERS), $(wildcard $(dir)/*.h))
286
LIBRARYDIRS := $(foreach hdr, $(INCLUDEDHEADERS), $(patsubst %/$(hdr), %, \
287
$(firstword $(filter %/$(hdr), $(LIBRARYHEADERS)))))
291
# expand LIBRARYDIRS (initialised from LIBRARIES, if specified)
292
ifneq "$(LIBRARIES)" ""
293
LIBRARYDIRS := $(foreach lib, $(LIBRARIES), \
294
$(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARYPATH)))))
296
LIBRARYDIRS := $(LIBRARYDIRS) \
297
$(addsuffix /utility, $(LIBRARYDIRS)) \
298
$(addsuffix /src, $(LIBRARYDIRS))
301
TARGET := $(if $(TARGET),$(TARGET),a.out)
170
302
OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))
171
ARDUINOSRCDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
172
ARDUINOLIB := _arduino.a
173
ARDUINOLIBTMP := _arduino.a.tmp
174
ARDUINOLIBOBJS := $(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
175
$(wildcard $(addprefix $(ARDUINOSRCDIR)/, *.c *.cpp)))))
176
ARDUINOLIBOBJS += $(foreach lib, $(LIBRARIES), \
177
$(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
178
$(wildcard $(addprefix $(ARDUINODIR)/libraries/$(lib)/, *.c *.cpp))))))
180
# obtain board parameters from the arduino boards.txt file
181
BOARDS_FILE := $(ARDUINODIR)/hardware/arduino/boards.txt
183
$(shell sed -ne "s/$(BOARD).build.mcu=\(.*\)/\1/p" $(BOARDS_FILE))
184
BOARD_BUILD_FCPU := \
185
$(shell sed -ne "s/$(BOARD).build.f_cpu=\(.*\)/\1/p" $(BOARDS_FILE))
186
BOARD_BUILD_VARIANT := \
187
$(shell sed -ne "s/$(BOARD).build.variant=\(.*\)/\1/p" $(BOARDS_FILE))
188
BOARD_UPLOAD_SPEED := \
189
$(shell sed -ne "s/$(BOARD).upload.speed=\(.*\)/\1/p" $(BOARDS_FILE))
190
BOARD_UPLOAD_PROTOCOL := \
191
$(shell sed -ne "s/$(BOARD).upload.protocol=\(.*\)/\1/p" $(BOARDS_FILE))
303
DEPFILES := $(patsubst %, .dep/%.dep, $(SOURCES))
304
ARDUINOLIB := .lib/arduino.a
305
ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARYDIRS), \
306
$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, \
307
*.c *.cc *.cpp *.C *.s *.S))))
308
BOOTLOADERHEX := $(addprefix \
309
$(ARDUINOBACKENDDIR)/bootloaders/$(BOARD_BOOTLOADER_PATH)/, \
310
$(BOARD_BOOTLOADER_FILE))
198
OBJCOPY := avr-objcopy
313
BUILDTOOLSPATH ?= $(subst :, , $(PATH)) $(ARDUINODIR)/hardware/tools \
314
$(ARDUINODIR)/hardware/tools/avr/bin
315
findsoftware = $(firstword $(wildcard $(addsuffix /$(1), $(BUILDTOOLSPATH))))
316
CC := $(call findsoftware,avr-gcc)
317
CXX := $(call findsoftware,avr-g++)
318
LD := $(call findsoftware,avr-ld)
319
AR := $(call findsoftware,avr-ar)
320
AS := $(call findsoftware,avr-as)
321
OBJCOPY := $(call findsoftware,avr-objcopy)
322
AVRDUDE := $(call findsoftware,avrdude)
323
AVRSIZE := $(call findsoftware,avr-size)
325
# default arduino version
326
ARDUINOCONST ?= $(if $(filter /, $(ARDUINOBACKENDS)),100,150)
328
# default serial device to a poor guess (something that might be an arduino)
331
SERIALDEV := $(firstword $(wildcard \
332
/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbserial* /dev/tty.usbmodem*))
336
# avrdude confifuration
337
ifeq "$(AVRDUDECONF)" ""
338
ifeq "$(AVRDUDE)" "$(ARDUINODIR)/hardware/tools/avr/bin/avrdude"
339
AVRDUDECONF := $(ARDUINODIR)/hardware/tools/avr/etc/avrdude.conf
341
AVRDUDECONF := $(wildcard $(AVRDUDE).conf)
202
CPPFLAGS = -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
203
CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU) -DF_CPU=$(BOARD_BUILD_FCPU)
204
CPPFLAGS += -I. -Iutil -Iutility -I$(ARDUINOSRCDIR)
205
CPPFLAGS += -I$(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
206
CPPFLAGS += $(addprefix -I$(ARDUINODIR)/libraries/,$(LIBRARIES))
207
AVRDUDEFLAGS = -C $(ARDUINODIR)/hardware/tools/avrdude.conf -DV
208
AVRDUDEFLAGS += -p $(BOARD_BUILD_MCU) -P $(SERIALDEV)
209
AVRDUDEFLAGS += -c $(BOARD_UPLOAD_PROTOCOL) -b $(BOARD_UPLOAD_SPEED)
210
LINKFLAGS = -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
346
CPPFLAGS += -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
347
CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
348
CPPFLAGS += -fpermissive -mmcu=$(BOARD_BUILD_MCU)
349
CPPFLAGS += -DF_CPU=$(BOARD_BUILD_FCPU) -DARDUINO=$(ARDUINOCONST)
350
CPPFLAGS += -DARDUINO_$(BOARD_BUILD_BOARD) -DARDUINO_ARCH_$(ARDUINOBACKENDARCH)
351
CPPFLAGS += -DUSB_VID=$(BOARD_USB_VID) -DUSB_PID=$(BOARD_USB_PID)
352
CPPFLAGS += -I. -Iutil -Iutility -I $(ARDUINOCOREDIR)
353
CPPFLAGS += -I $(ARDUINOBACKENDDIR)/variants/$(BOARD_BUILD_VARIANT)/
354
CPPFLAGS += $(addprefix -I , $(LIBRARYDIRS))
355
CPPDEPFLAGS = -MMD -MP -MF .dep/$<.dep
356
CPPINOFLAGS := -x c++ -include $(ARDUINOCOREDIR)/Arduino.h
357
AVRDUDEFLAGS += $(addprefix -C , $(AVRDUDECONF)) -DV
358
AVRDUDEFLAGS += -p$(BOARD_BUILD_MCU) -P$(SERIALDEV) -c$(BOARD_UPLOAD_PROTOCOL)
359
AVRDUDEFLAGS += $(addprefix -b, $(BOARD_UPLOAD_SPEED))
360
LINKFLAGS += -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
362
# figure out which arg to use with stty (for OS X, GNU and busybox stty)
363
STTYFARG := $(shell stty --help 2>&1 | \
364
grep -q 'illegal option' && echo -f || echo -F)
366
# include dependencies
367
ifneq "$(MAKECMDGOALS)" "clean"
213
372
.DEFAULT_GOAL := all