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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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# 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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# 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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# ARDUINO version constant. This defaults to 100 if undefined.
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# AVRDUDECONF The avrdude.conf to use. If undefined, this defaults to a guess
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# based on where the avrdude in use is. If empty, no avrdude.conf
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# AVRDUDECONF The avrdude.conf to use. If undefined, this defaults to a guess
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# based on where the avrdude in use is. If empty, no avrdude.conf
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# is passed to avrdude (to the system default is used).
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# AVRDUDEFLAGS Specify any additional flags for avrdude. The usual flags,
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# required to build the project, will be appended to this.
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# AVRTOOLSPATH A space-separated list of directories that is searched in order
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# when looking for the avr build tools. This defaults to PATH,
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# followed by subdirectories in ARDUINODIR.
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# AVRTOOLSPATH A space-separated list of directories to search in order when
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# looking 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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# automatically if a .ino (or .pde) is found.
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# LIBRARYPATH A space-separated list of directories that is searched in order
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# when looking for Arduino libraries. This defaults to "libs",
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# "libraries" and then the Arduino software's libraries directory.
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# SERIALDEV The unix device name of the serial device that is the Arduino.
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# If unspecified, an attempt is made to determine the name of a
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# connected Arduino's serial device.
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$(error ARDUINODIR is not set correctly; arduino software not found)
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# obtain preferences from the IDE's preferences.txt
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PREFERENCES_FILE := $(wildcard $(HOME)/.arduino/preferences.txt)
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ifneq "$(PREFERENCES_FILE)" ""
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$(shell sed -ne "s/sketchbook.path=\(.*\)/\1/p" $(PREFERENCES_FILE))
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# default arduino version
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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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AVRTOOLSPATH := $(subst :, , $(PATH))
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AVRTOOLSPATH += $(ARDUINODIR)/hardware/tools
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AVRTOOLSPATH += $(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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LIBRARIESPATH := libraries libs $(ARDUINODIR)/libraries
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INOFILE := $(wildcard *.ino *.pde)
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$(wildcard $(addprefix utility/, *.c *.cc *.cpp *.C))
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# automatically determine included libraries
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LIBRARIES := $(filter $(notdir $(wildcard $(addsuffix /*, $(LIBRARYPATH)))), \
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LIBRARIES := $(filter $(notdir $(wildcard $(addsuffix /*, $(LIBRARIESPATH)))), \
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$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(SOURCES)))
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AVRDUDE := $(call findsoftware,avrdude)
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AVRSIZE := $(call findsoftware,avr-size)
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ARDUINOCOREDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
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LIBRARYDIRS := $(foreach lib, $(LIBRARIES), \
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$(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARYPATH)))))
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LIBRARYDIRS += $(addsuffix /utility, $(LIBRARYDIRS))
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TARGET := $(if $(TARGET),$(TARGET),a.out)
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OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))
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DEPFILES := $(patsubst %, .dep/%.dep, $(SOURCES))
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LIBRARIESDIRS := $(foreach lib, $(LIBRARIES), \
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$(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARIESPATH)))))
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LIBRARIESDIRS += $(addsuffix /utility, $(LIBRARIESDIRS))
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ARDUINOCOREDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
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ARDUINOLIB := .lib/arduino.a
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ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARYDIRS), \
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ARDUINOLIBOBJS := $(foreach dir, $(ARDUINOCOREDIR) $(LIBRARIESDIRS), \
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$(patsubst %, .lib/%.o, $(wildcard $(addprefix $(dir)/, *.c *.cpp))))
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# avrdude confifuration
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$(shell sed -ne "s/$(BOARD).build.vid=\(.*\)/\1/p" $(BOARDS_FILE))
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BOARD_USB_PID := \
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$(shell sed -ne "s/$(BOARD).build.pid=\(.*\)/\1/p" $(BOARDS_FILE))
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BOARD_BOOTLOADER_PATH := \
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$(shell sed -ne "s/$(BOARD).bootloader.path=\(.*\)/\1/p" $(BOARDS_FILE))
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ifeq "$(BOARD_BUILD_MCU)" ""
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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 $(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
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CPPFLAGS += $(addprefix -I , $(LIBRARYDIRS))
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CPPFLAGS += $(addprefix -I , $(LIBRARIESDIRS))
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CPPDEPFLAGS = -MMD -MP -MF .dep/$<.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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@test 0 -eq $(SERIALDEVGUESS) || { \
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echo "*GUESSING* at serial device:" $(SERIALDEV); \
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ifeq "$(BOARD_BOOTLOADER_PATH)" "caterina"
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stty $(STTYFARG) $(SERIALDEV) speed 1200
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stty $(STTYFARG) $(SERIALDEV) hupcl
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$(AVRDUDE) $(AVRDUDEFLAGS) -U flash:w:$(TARGET).hex:i