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src/arduino.mk

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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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ifeq "$(ARDUINOBACKENDS)" "/"

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

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        $(BOARDSFILES))

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else

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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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        $(shell sed -ne "s/^menu\\.cpu\\.$(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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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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else

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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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endif

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endif

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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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        $(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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ARDUINOBACKENDARCH=AVR

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

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# automatically determine library directories (to pull library sources in from)

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

 

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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 := $(shell sed -ne '/^[ \t]*\#[ \t]*include[ \t<"]/ {' \

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         -e 's/^.*[<"]\(.*\)[>"].*/\1/p' -e '}' $(SOURCES))

 

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INCLUDEDHEADERS := \

 

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        $(shell sed -ne "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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LIBRARYDIRS := $(foreach lib, $(LIBRARIES), \

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        $(firstword $(wildcard $(addsuffix /$(lib), $(LIBRARYPATH)))))

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endif

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LIBRARYDIRS := $(LIBRARYDIRS) \

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        $(addsuffix /utility, $(LIBRARYDIRS)) \

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        $(addsuffix /src, $(LIBRARYDIRS))

 

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

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# files

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TARGET := $(if $(TARGET),$(TARGET),a.out)

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# flags

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CPPFLAGS += -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections

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CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums

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CPPFLAGS += -fpermissive -mmcu=$(BOARD_BUILD_MCU)

 

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CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU)

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

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CPPFLAGS += -DARDUINO_$(BOARD_BUILD_BOARD) -DARDUINO_ARCH_$(ARDUINOBACKENDARCH)

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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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boards:

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        @echo "Available BOARD values:"

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        @sed -ne '/[[:alnum:]]*\.name=/p' \

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                -e '/^[[:alnum:]]*\.menu\.cpu\.[[:alnum:]]*=/p' $(BOARDSFILES) | \

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                sed -e 's/\([[:alnum:]]*\)\.name=\(.*\)/\1                   \2/' \

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                        -e 's/^.*\(\.[[:alnum:]]*\)=\(.*\)/  \1                  --\2/' \

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

 

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

 

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                sed -e '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/--/  ...with /;'

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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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