/make/arduino-mk

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  • Committer: Tim Marston
  • Date: 2014-01-15 19:35:45 UTC
  • Revision ID: tim@ed.am-20140115193545-m52ejwu8zgnn7hcm
if perl is installed, do case-insensitive matching of BOARD name; increase
compatibility with 1.5 SDK (pass board and arch compiler directives; build with
-fpermissive cause the SDK includes an old compiler)

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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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        $(shell sed -ne "s/^menu\\.cpu\\.$(BOARD)\\.$(1)=\(.*\)/\1/p" \
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                $(BOARDSFILES)) \
 
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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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                $(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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# 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/" -e "p" -e "}" $(SOURCES))
 
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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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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) $(addsuffix /utility, $(LIBRARYDIRS))
 
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LIBRARYDIRS := $(LIBRARYDIRS) \
 
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        $(addsuffix /utility, $(LIBRARYDIRS)) \
 
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        $(addsuffix /src, $(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 += -mmcu=$(BOARD_BUILD_MCU)
 
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CPPFLAGS += -fpermissive -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)/