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# This is a general purpose makefile for use with Arduino hardware and
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# software. It works with the arduino-1.0 and later software releases. It
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# should work GNU/Linux and OS X. To download the latest version of this
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# makefile visit the following website where you can also find documentation on
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# it's use. (The following text can only really be considered a reference.)
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# software. It works with the arduino-1.0 release and requires that software
32
# to be downloaded separately (see http://arduino.cc/). To download the latest
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# version of this makefile, visit the following website, where you can also
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# find more information and documentation on it's use. The following text can
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# only really be considered a reference to it's use.
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# http://ed.am/dev/make/arduino-mk
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# This makefile can be used as a drop-in replacement for the Arduino IDE's
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# build system. To use it, just copy arduino.mk in to your project directory.
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# Or, you could save it somewhere (I keep mine at ~/src/arduino.mk) and create
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# a symlink to it in your project directory, named "Makefile". For example:
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# build system. To use it, save arduino.mk somewhere (I keep mine at
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# ~/src/arduino.mk) and create a symlink to it in your project directory named
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# "Makefile". For example:
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# $ ln -s ~/src/arduino.mk Makefile
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# The Arduino software (version 1.0 or later) is required. On GNU/Linux you
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# can probably install the software from your package manager. If you are
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# using Debian (or a derivative), try `apt-get install arduino`. Otherwise,
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# you can download the Arduino software manually from http://arduino.cc/. It
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# is suggested that you install it at ~/opt/arduino (or /Applications on OS X)
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# If you downloaded the Arduino software manually and unpacked it somewhere
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# other than ~/opt/arduino (or /Applications), you will need to set up the
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# ARDUINODIR environment variable to be the path where you unpacked it. (If
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# unset, ARDUINODIR defaults to some sensible places). You could set this in
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# You also need to set up a couple of environment variables. ARDUINODIR should
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# be set to the path where you unpacked the arduino software from arduino.cc
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# (it defaults to ~/opt/arduino if unset). You might be best to set this in
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# your ~/.profile by adding something like this:
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# export ARDUINODIR=~/somewhere/arduino-1.0
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# For each project, you will also need to set BOARD to the type of Arduino
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# you're building for. Type `make boards` for a list of acceptable values.
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# You will also need to set BOARD to the type of arduino you're using. This
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# can be done when running make (or you could set a default in ~/.profile and
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# override it as necessary). For example:
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# $ export BOARD=uno
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# determine values for SOURCES, TARGET and LIBRARIES. Any .c, .cc and .cpp
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# files in the project directory (or any "util" or "utility" subdirectories)
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# are automatically included in the build and are scanned for Arduino libraries
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# that have been #included. Note, there can only be one .ino (or .pde) file in
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# a project directory and if you want to be compatible with the Arduino IDE, it
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# should be called the same as the directory name.
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# that have been #included. Note, there can only be one .ino (or .pde) file.
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# Alternatively, if you want to manually specify build variables, create a
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# Makefile that defines SOURCES and LIBRARIES and then includes arduino.mk.
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# (There is no need to define TARGET). You can also specify the BOARD here, if
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# the project has a specific one. Here is an example Makefile:
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# (There is no need to define TARGET). Here is an example Makefile:
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# SOURCES := main.cc other.cc
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# LIBRARIES := EEPROM
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# include ~/src/arduino.mk
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# Here is a complete list of configuration parameters:
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# 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 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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# 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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# ARDUINODIR The path where you have installed/unpacked the arduino software
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# (from http://arduino.cc/)
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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
85
# 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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# AVRTOOLSPATH A space-separated list of directories to search in order when
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# lookin for the avr build tools. This defaults to the system PATH
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# followed by subdirectories in ARDUINODIR if undefined.
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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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# 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" (in the project directory), then your sketchbook
120
# "libraries" directory, then the Arduino libraries directory.
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# SERIALDEV The POSIX device name of the serial device that is the Arduino.
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# If unspecified, an attempt is made to guess the name of a
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# connected Arduino's serial device, which may work in some cases.
98
# 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
100
# 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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103
# type is determined by the file extension. This is set
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ARDUINOCONST ?= 100
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# default path for avr tools
176
AVRTOOLSPATH ?= $(subst :, , $(PATH)) $(ARDUINODIR)/hardware/tools \
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$(ARDUINODIR)/hardware/tools/avr/bin
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# default path to find libraries
180
LIBRARYPATH ?= libraries libs $(SKETCHBOOKDIR)/libraries $(ARDUINODIR)/libraries
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# default serial device to a poor guess (something that might be an arduino)
185
SERIALDEV := $(firstword $(wildcard \
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/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbserial* /dev/tty.usbmodem*))
192
ifneq "$(MAKECMDGOALS)" "boards"
193
ifneq "$(MAKECMDGOALS)" "clean"
194
$(error BOARD is unset. Type 'make boards' to see possible values)
199
# obtain board parameters from the arduino boards.txt file
200
BOARDSFILE := $(ARDUINODIR)/hardware/arduino/boards.txt
201
readboardsparam = $(shell sed -ne "s/^$(BOARD).$(1)=\(.*\)/\1/p" $(BOARDSFILE))
202
BOARD_BUILD_MCU := $(call readboardsparam,build.mcu)
203
BOARD_BUILD_FCPU := $(call readboardsparam,build.f_cpu)
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BOARD_BUILD_VARIANT := $(call readboardsparam,build.variant)
205
BOARD_BUILD_CORE := $(call readboardsparam,build.core)
206
BOARD_UPLOAD_SPEED := $(call readboardsparam,upload.speed)
207
BOARD_UPLOAD_PROTOCOL := $(call readboardsparam,upload.protocol)
208
BOARD_USB_VID := $(call readboardsparam,build.vid)
209
BOARD_USB_PID := $(call readboardsparam,build.pid)
210
BOARD_BOOTLOADER_UNLOCK := $(call readboardsparam,bootloader.unlock_bits)
211
BOARD_BOOTLOADER_LOCK := $(call readboardsparam,bootloader.lock_bits)
212
BOARD_BOOTLOADER_LFUSES := $(call readboardsparam,bootloader.low_fuses)
213
BOARD_BOOTLOADER_HFUSES := $(call readboardsparam,bootloader.high_fuses)
214
BOARD_BOOTLOADER_EFUSES := $(call readboardsparam,bootloader.extended_fuses)
215
BOARD_BOOTLOADER_PATH := $(call readboardsparam,bootloader.path)
216
BOARD_BOOTLOADER_FILE := $(call readboardsparam,bootloader.file)
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# obtain preferences from the IDE's preferences.txt
219
PREFERENCESFILE := $(firstword $(wildcard \
220
$(HOME)/.arduino/preferences.txt $(HOME)/Library/Arduino/preferences.txt))
221
ifneq "$(PREFERENCESFILE)" ""
222
readpreferencesparam = $(shell sed -ne "s/$(1)=\(.*\)/\1/p" $(PREFERENCESFILE))
223
SKETCHBOOKDIR := $(call readpreferencesparam,sketchbook.path)
227
ifeq "$(BOARD_BUILD_MCU)" ""
228
ifneq "$(MAKECMDGOALS)" "boards"
229
ifneq "$(MAKECMDGOALS)" "clean"
230
$(error BOARD is invalid. Type 'make boards' to see possible values)
146
AVRTOOLSPATH := $(subst :, , $(PATH))
147
AVRTOOLSPATH += $(ARDUINODIR)/hardware/tools
148
AVRTOOLSPATH += $(ARDUINODIR)/hardware/tools/avr/bin
242
158
# automatically determine sources and targeet
243
159
TARGET := $(basename $(INOFILE))
244
160
SOURCES := $(INOFILE) \
245
$(wildcard *.c *.cc *.cpp *.C) \
246
$(wildcard $(addprefix util/, *.c *.cc *.cpp *.C)) \
247
$(wildcard $(addprefix utility/, *.c *.cc *.cpp *.C))
161
$(wildcard *.c *.cc *.cpp) \
162
$(wildcard $(addprefix util/, *.c *.cc *.cpp)) \
163
$(wildcard $(addprefix utility/, *.c *.cc *.cpp))
249
165
# automatically determine included libraries
250
LIBRARIES := $(filter $(notdir $(wildcard $(addsuffix /*, $(LIBRARYPATH)))), \
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ARDUINOLIBSAVAIL := $(notdir $(wildcard $(ARDUINODIR)/libraries/*))
167
LIBRARIES := $(filter $(ARDUINOLIBSAVAIL), \
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$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(SOURCES)))
172
# no serial device? make a poor attempt to detect an arduino
174
ifeq "$(SERIALDEV)" ""
175
SERIALDEV := $(firstword $(wildcard \
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/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbmodem*))
256
181
findsoftware = $(firstword $(wildcard $(addsuffix /$(1), $(AVRTOOLSPATH))))
257
182
CC := $(call findsoftware,avr-gcc)
260
185
AR := $(call findsoftware,avr-ar)
261
186
OBJCOPY := $(call findsoftware,avr-objcopy)
262
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AVRDUDE := $(call findsoftware,avrdude)
263
AVRSIZE := $(call findsoftware,avr-size)
266
ARDUINOCOREDIR := $(ARDUINODIR)/hardware/arduino/cores/$(BOARD_BUILD_CORE)
267
LIBRARYDIRS := $(foreach lib, $(LIBRARIES), \
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$(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARYPATH)))))
269
LIBRARYDIRS += $(addsuffix /utility, $(LIBRARYDIRS))
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190
TARGET := $(if $(TARGET),$(TARGET),a.out)
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OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))
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DEPFILES := $(patsubst %, .dep/%.dep, $(SOURCES))
275
ARDUINOLIB := .lib/arduino.a
276
ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARYDIRS), \
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$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, *.c *.cpp))))
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BOOTLOADERHEX := $(addprefix \
279
$(ARDUINODIR)/hardware/arduino/bootloaders/$(BOARD_BOOTLOADER_PATH)/, \
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$(BOARD_BOOTLOADER_FILE))
282
# avrdude confifuration
192
ARDUINOSRCDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
193
ARDUINOLIBSDIR := $(ARDUINODIR)/libraries
194
ARDUINOLIB := _arduino.a
195
ARDUINOLIBTMP := $(ARDUINOLIB).tmp
196
ARDUINOLIBOBJS := $(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
197
$(wildcard $(addprefix $(ARDUINOSRCDIR)/, *.c *.cpp)))))
198
ARDUINOLIBOBJS += $(foreach lib, $(LIBRARIES), \
199
$(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
200
$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/, *.c *.cpp)) \
201
$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/utility/, *.c *.cpp)) ))))
283
202
ifeq "$(AVRDUDECONF)" ""
284
203
ifeq "$(AVRDUDE)" "$(ARDUINODIR)/hardware/tools/avr/bin/avrdude"
285
204
AVRDUDECONF := $(ARDUINODIR)/hardware/tools/avr/etc/avrdude.conf
212
ifneq "$(MAKECMDGOALS)" "boards"
213
ifneq "$(MAKECMDGOALS)" "clean"
214
$(error BOARD is unset. Type 'make boards' to see possible values)
219
# obtain board parameters from the arduino boards.txt file
220
BOARDS_FILE := $(ARDUINODIR)/hardware/arduino/boards.txt
222
$(shell sed -ne "s/$(BOARD).build.mcu=\(.*\)/\1/p" $(BOARDS_FILE))
223
BOARD_BUILD_FCPU := \
224
$(shell sed -ne "s/$(BOARD).build.f_cpu=\(.*\)/\1/p" $(BOARDS_FILE))
225
BOARD_BUILD_VARIANT := \
226
$(shell sed -ne "s/$(BOARD).build.variant=\(.*\)/\1/p" $(BOARDS_FILE))
227
BOARD_UPLOAD_SPEED := \
228
$(shell sed -ne "s/$(BOARD).upload.speed=\(.*\)/\1/p" $(BOARDS_FILE))
229
BOARD_UPLOAD_PROTOCOL := \
230
$(shell sed -ne "s/$(BOARD).upload.protocol=\(.*\)/\1/p" $(BOARDS_FILE))
233
ifeq "$(BOARD_BUILD_MCU)" ""
234
ifneq "$(MAKECMDGOALS)" "boards"
235
ifneq "$(MAKECMDGOALS)" "clean"
236
$(error BOARD is invalid. Type 'make boards' to see possible values)
292
CPPFLAGS += -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
242
CPPFLAGS := -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
293
243
CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
294
244
CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU)
295
245
CPPFLAGS += -DF_CPU=$(BOARD_BUILD_FCPU) -DARDUINO=$(ARDUINOCONST)
296
CPPFLAGS += -DUSB_VID=$(BOARD_USB_VID) -DUSB_PID=$(BOARD_USB_PID)
297
CPPFLAGS += -I. -Iutil -Iutility -I $(ARDUINOCOREDIR)
298
CPPFLAGS += -I $(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
299
CPPFLAGS += $(addprefix -I , $(LIBRARYDIRS))
300
CPPDEPFLAGS = -MMD -MP -MF .dep/$<.dep
301
CPPINOFLAGS := -x c++ -include $(ARDUINOCOREDIR)/Arduino.h
302
AVRDUDEFLAGS += $(addprefix -C , $(AVRDUDECONF)) -DV
303
AVRDUDEFLAGS += -p$(BOARD_BUILD_MCU) -P$(SERIALDEV) -c$(BOARD_UPLOAD_PROTOCOL)
304
AVRDUDEFLAGS += $(addprefix -b, $(BOARD_UPLOAD_SPEED))
305
LINKFLAGS += -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
307
# figure out which arg to use with stty (for OS X, GNU and busybox stty)
308
STTYFARG := $(shell stty --help 2>&1 | \
309
grep -q 'illegal option' && echo -f || echo -F)
311
# include dependencies
312
ifneq "$(MAKECMDGOALS)" "clean"
246
CPPFLAGS += -I. -Iutil -Iutility -I$(ARDUINOSRCDIR)
247
CPPFLAGS += -I$(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
248
CPPFLAGS += $(addprefix -I$(ARDUINODIR)/libraries/, $(LIBRARIES))
249
CPPFLAGS += $(patsubst %, -I$(ARDUINODIR)/libraries/%/utility, $(LIBRARIES))
250
AVRDUDEFLAGS := $(addprefix -C , $(AVRDUDECONF)) -DV
251
AVRDUDEFLAGS += -p $(BOARD_BUILD_MCU) -P $(SERIALDEV)
252
AVRDUDEFLAGS += -c $(BOARD_UPLOAD_PROTOCOL) -b $(BOARD_UPLOAD_SPEED)
253
LINKFLAGS := -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
255
# figure out which arg to use with stty
256
STTYFARG := $(shell stty --help > /dev/null 2>&1 && echo -F || echo -f)
317
259
.DEFAULT_GOAL := all
333
275
@test 0 -eq $(SERIALDEVGUESS) || { \
334
276
echo "*GUESSING* at serial device:" $(SERIALDEV); \
336
ifeq "$(BOARD_BOOTLOADER_PATH)" "caterina"
337
stty $(STTYFARG) $(SERIALDEV) speed 1200
340
278
stty $(STTYFARG) $(SERIALDEV) hupcl
342
279
$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i
346
283
rm -f $(TARGET).elf $(TARGET).hex $(ARDUINOLIB) *~
284
rm -rf $(ARDUINOLIBTMP)
350
@echo "Available values for BOARD:"
351
@sed -nEe '/^#/d; /^[^.]+\.name=/p' $(BOARDSFILE) | \
352
sed -Ee 's/([^.]+)\.name=(.*)/\1 \2/' \
353
-e 's/(.{12}) *(.*)/\1 \2/'
287
@echo Available values for BOARD:
288
@sed -ne '/^#/d;s/^\(.*\).name=\(.*\)/\1 \2/;T' \
289
-e 's/\(.\{12\}\) *\(.*\)/\1 \2/;p' $(BOARDS_FILE)
356
292
@test -n "$(SERIALDEV)" || { \
359
295
@test -n `which screen` || { \
360
296
echo "error: can't find GNU screen, you might need to install it." >&2 \
362
298
@test 0 -eq $(SERIALDEVGUESS) || { \
363
299
echo "*GUESSING* at serial device:" $(SERIALDEV); \
365
301
screen $(SERIALDEV)
368
echo && $(AVRSIZE) --format=avr --mcu=$(BOARD_BUILD_MCU) $(TARGET).elf
371
@echo "Burning bootloader to board..."
372
@test -n "$(SERIALDEV)" || { \
373
echo "error: SERIALDEV could not be determined automatically." >&2; \
375
@test 0 -eq $(SERIALDEVGUESS) || { \
376
echo "*GUESSING* at serial device:" $(SERIALDEV); \
378
stty $(STTYFARG) $(SERIALDEV) hupcl
379
$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_UNLOCK):m
380
$(AVRDUDE) $(AVRDUDEFLAGS) -eU lfuse:w:$(BOARD_BOOTLOADER_LFUSES):m
381
$(AVRDUDE) $(AVRDUDEFLAGS) -U hfuse:w:$(BOARD_BOOTLOADER_HFUSES):m
382
ifneq "$(BOARD_BOOTLOADER_EFUSES)" ""
383
$(AVRDUDE) $(AVRDUDEFLAGS) -U efuse:w:$(BOARD_BOOTLOADER_EFUSES):m
385
ifneq "$(BOOTLOADERHEX)" ""
386
$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(BOOTLOADERHEX):i
388
$(AVRDUDE) $(AVRDUDEFLAGS) -U lock:w:$(BOARD_BOOTLOADER_LOCK):m
390
303
# building the target
392
305
$(TARGET).hex: $(TARGET).elf
395
308
.INTERMEDIATE: $(TARGET).elf
397
310
$(TARGET).elf: $(ARDUINOLIB) $(OBJECTS)
398
$(CC) $(LINKFLAGS) $(OBJECTS) $(ARDUINOLIB) -lm -o $@
401
mkdir -p .dep/$(dir $<)
402
$(COMPILE.c) $(CPPDEPFLAGS) -o $@ $<
405
mkdir -p .dep/$(dir $<)
406
$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
409
mkdir -p .dep/$(dir $<)
410
$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
413
mkdir -p .dep/$(dir $<)
414
$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $<
311
$(CC) $(LINKFLAGS) $(OBJECTS) $(ARDUINOLIB) -o $@
417
mkdir -p .dep/$(dir $<)
418
$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $(CPPINOFLAGS) $<
314
$(COMPILE.cpp) -o $@ -x c++ -include $(ARDUINOSRCDIR)/Arduino.h $<
421
mkdir -p .dep/$(dir $<)
422
$(COMPILE.cpp) $(CPPDEPFLAGS) -o $@ $(CPPINOFLAGS) $<
317
$(COMPILE.cpp) -o $@ -x c++ -include $(ARDUINOSRCDIR)/Arduino.h $<
424
319
# building the arduino library
426
321
$(ARDUINOLIB): $(ARDUINOLIBOBJS)
431
$(COMPILE.c) -o $@ $<
435
$(COMPILE.cpp) -o $@ $<
439
$(COMPILE.cpp) -o $@ $<
443
$(COMPILE.cpp) -o $@ $<
323
rm -rf $(ARDUINOLIBTMP)
325
.INTERMEDIATE: $(ARDUINOLIBOBJS)
327
$(ARDUINOLIBTMP)/%.o: $(ARDUINOSRCDIR)/%.c
328
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
329
$(COMPILE.c) -o $@ $<
331
$(ARDUINOLIBTMP)/%.o: $(ARDUINOSRCDIR)/%.cpp
332
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
333
$(COMPILE.cpp) -o $@ $<
335
$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/%.c
336
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
337
$(COMPILE.c) -o $@ $<
339
$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/%.cpp
340
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
341
$(COMPILE.cpp) -o $@ $<
343
$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/utility/%.c
344
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
345
$(COMPILE.c) -o $@ $<
347
$(ARDUINOLIBTMP)/%.o: $(ARDUINODIR)/libraries/*/utility/%.cpp
348
@test -d $(ARDUINOLIBTMP) || mkdir $(ARDUINOLIBTMP)
349
$(COMPILE.cpp) -o $@ $<