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Arduino.mk
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Arduino.mk
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########################################################################
#
# Makefile for compiling Arduino sketches from command line
# System part (i.e. project independent)
#
# Copyright (C) 2012 Sudar <http://sudarmuthu.com>, based on
# M J Oldfield work: https://github.com/mjoldfield/Arduino-Makefile
#
# Copyright (C) 2010,2011,2012 Martin Oldfield <[email protected]>, based on
# work that is copyright Nicholas Zambetti, David A. Mellis & Hernando
# Barragan.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
#
# Adapted from Arduino 0011 Makefile by M J Oldfield
#
# Original Arduino adaptation by mellis, eighthave, oli.keller
#
# Current version: 1.3.4
#
# Refer to HISTORY.md file for complete history of changes
#
########################################################################
#
# PATHS YOU NEED TO SET UP
#
# We need to worry about three different sorts of file:
#
# 1. The directory where the *.mk files are stored
# => ARDMK_DIR
#
# 2. Things which are always in the Arduino distribution e.g.
# boards.txt, libraries, &c.
# => ARDUINO_DIR
#
# 3. Things which might be bundled with the Arduino distribution, but
# might come from the system. Most of the toolchain is like this:
# on Linux it's supplied by the system.
# => AVR_TOOLS_DIR
#
# Having set these three variables, we can work out the rest assuming
# that things are canonically arranged beneath the directories defined
# above.
#
# On the Mac you might want to set:
#
# ARDUINO_DIR = /Applications/Arduino.app/Contents/Resources/Java
# ARDMK_DIR = /usr/local
#
# On Linux, you might prefer:
#
# ARDUINO_DIR = /usr/share/arduino
# ARDMK_DIR = /usr/share/arduino
# AVR_TOOLS_DIR = /usr
#
# On Windows declare this environmental variables using the windows
# configuration options. Control Panel > System > Advanced system settings
# Also take into account that when you set them you have to add '\' on
# all spaces and special characters.
# ARDUINO_DIR and AVR_TOOLS_DIR have to be relative and not absolute.
# This are just examples, you have to adapt this variables accordingly to
# your system.
#
# ARDUINO_DIR =../../../../../Arduino
# AVR_TOOLS_DIR =../../../../../Arduino/hardware/tools/avr
# ARDMK_DIR = /cygdrive/c/Users/"YourUser"/Arduino-Makefile
#
# On Windows it is highly recommended that you create a symbolic link directory
# for avoiding using the normal directories name of windows such as
# c:\Program Files (x86)\Arduino
# For this use the command mklink on the console.
#
#
# You can either set these up in the Makefile, or put them in your
# environment e.g. in your .bashrc
#
# If you don't specify these, we can try to guess, but that might not work
# or work the way you want it to.
#
# If you'd rather not see the configuration output, define ARDUINO_QUIET.
#
########################################################################
#
# DEPENDENCIES
#
# The Perl programs need a couple of libraries:
# Device::SerialPort
#
########################################################################
#
# STANDARD ARDUINO WORKFLOW
#
# Given a normal sketch directory, all you need to do is to create
# a small Makefile which defines a few things, and then includes this one.
#
# For example:
#
# ARDUINO_LIBS = Ethernet SPI
# BOARD_TAG = uno
# MONITOR_PORT = /dev/cu.usb*
#
# include /usr/share/arduino/Arduino.mk
#
# Hopefully these will be self-explanatory but in case they're not:
#
# ARDUINO_LIBS - A list of any libraries used by the sketch (we
# assume these are in $(ARDUINO_DIR)/hardware/libraries
# or your sketchbook's libraries directory)
#
# MONITOR_PORT - The port where the Arduino can be found (only needed
# when uploading)
#
# BOARD_TAG - The tag for the board e.g. uno or mega
# 'make show_boards' shows a list
#
# If you have your additional libraries relative to your source, rather
# than in your "sketchbook", also set USER_LIB_PATH, like this example:
#
# USER_LIB_PATH := $(realpath ../../libraries)
#
# If you've added the Arduino-Makefile repository to your git repo as a
# submodule (or other similar arrangement), you might have lines like this
# in your Makefile:
#
# ARDMK_DIR := $(realpath ../../tools/Arduino-Makefile)
# include $(ARDMK_DIR)/Arduino.mk
#
# In any case, once this file has been created the typical workflow is just
#
# $ make upload
#
# All of the object files are created in the build-{BOARD_TAG} subdirectory
# All sources should be in the current directory and can include:
# - at most one .pde or .ino file which will be treated as C++ after
# the standard Arduino header and footer have been affixed.
# - any number of .c, .cpp, .s and .h files
#
# Included libraries are built in the build-{BOARD_TAG}/libs subdirectory.
#
# Besides make upload, there are a couple of other targets that are available.
# Do make help to get the complete list of targets and their description
#
########################################################################
#
# SERIAL MONITOR
#
# The serial monitor just invokes the GNU screen program with suitable
# options. For more information see screen (1) and search for
# 'character special device'.
#
# The really useful thing to know is that ^A-k gets you out!
#
# The fairly useful thing to know is that you can bind another key to
# escape too, by creating $HOME{.screenrc} containing e.g.
#
# bindkey ^C kill
#
# If you want to change the baudrate, just set MONITOR_BAUDRATE. If you
# don't set it, it tries to read from the sketch. If it couldn't read
# from the sketch, then it defaults to 9600 baud.
#
########################################################################
#
# ARDUINO WITH ISP
#
# You need to specify some details of your ISP programmer and might
# also need to specify the fuse values:
#
# ISP_PROG = stk500v2
# ISP_PORT = /dev/ttyACM0
#
# You might also need to set the fuse bits, but typically they'll be
# read from boards.txt, based on the BOARD_TAG variable:
#
# ISP_LOCK_FUSE_PRE = 0x3f
# ISP_LOCK_FUSE_POST = 0xcf
# ISP_HIGH_FUSE = 0xdf
# ISP_LOW_FUSE = 0xff
# ISP_EXT_FUSE = 0x01
#
# You can specify to also upload the EEPROM file:
# ISP_EEPROM = 1
#
# I think the fuses here are fine for uploading to the ATmega168
# without bootloader.
#
# To actually do this upload use the ispload target:
#
# make ispload
#
#
########################################################################
#
# ALTERNATIVE CORES
#
# To use alternative cores for platforms such as ATtiny, you need to
# specify a few more variables, depending on the core in use.
#
# The HLT (attiny-master) core can be used just by specifying
# ALTERNATE_CORE, assuming your core is in your ~/sketchbook/hardware
# directory. For example:
#
# ISP_PORT = /dev/ttyACM0
# BOARD_TAG = attiny85
# ALTERNATE_CORE = attiny-master
#
# To use the more complex arduino-tiny and TinyCore2 cores, you must
# also set ARDUINO_CORE_PATH and ARDUINO_VAR_PATH to the core
# directory, as these cores essentially replace the main Arduino core.
# For example:
#
# ISP_PORT = /dev/ttyACM0
# BOARD_TAG = attiny85at8
# ALTERNATE_CORE = arduino-tiny
# ARDUINO_VAR_PATH = ~/sketchbook/hardware/arduino-tiny/cores/tiny
# ARDUINO_CORE_PATH = ~/sketchbook/hardware/arduino-tiny/cores/tiny
#
# or....
#
# ISP_PORT = /dev/ttyACM0
# BOARD_TAG = attiny861at8
# ALTERNATE_CORE = tiny2
# ARDUINO_VAR_PATH = ~/sketchbook/hardware/tiny2/cores/tiny
# ARDUINO_CORE_PATH = ~/sketchbook/hardware/tiny2/cores/tiny
#
########################################################################
arduino_output =
# When output is not suppressed and we're in the top-level makefile,
# running for the first time (i.e., not after a restart after
# regenerating the dependency file), then output the configuration.
ifndef ARDUINO_QUIET
ifeq ($(MAKE_RESTARTS),)
ifeq ($(MAKELEVEL),0)
arduino_output = $(info $(1))
endif
endif
endif
########################################################################
# Makefile distribution path
ifndef ARDMK_DIR
# presume it's the same path to our own file
ARDMK_DIR := $(realpath $(dir $(realpath $(lastword $(MAKEFILE_LIST)))))
else
# show_config_variable macro is defined in Common.mk file and is not available yet.
# Let's define a variable to know that user specified ARDMK_DIR
ARDMK_DIR_MSG = USER
endif
# include Common.mk now we know where it is
include $(ARDMK_DIR)/Common.mk
# show_config_variable macro is available now. So let's print config details for ARDMK_DIR
ifndef ARDMK_DIR_MSG
$(call show_config_variable,ARDMK_DIR,[COMPUTED],(relative to $(notdir $(lastword $(MAKEFILE_LIST)))))
else
$(call show_config_variable,ARDMK_DIR,[USER])
endif
########################################################################
# Arduino Directory
ifndef ARDUINO_DIR
AUTO_ARDUINO_DIR := $(firstword \
$(call dir_if_exists,/usr/share/arduino) \
$(call dir_if_exists,/Applications/Arduino.app/Contents/Resources/Java) )
ifdef AUTO_ARDUINO_DIR
ARDUINO_DIR = $(AUTO_ARDUINO_DIR)
$(call show_config_variable,ARDUINO_DIR,[AUTODETECTED])
else
echo $(error "ARDUINO_DIR is not defined")
endif
else
$(call show_config_variable,ARDUINO_DIR,[USER])
endif
ifeq ($(CURRENT_OS),WINDOWS)
ifneq ($(shell echo $(ARDUINO_DIR) | egrep '^(/|[a-zA-Z]:\\)'),)
echo $(error On Windows, ARDUINO_DIR must be a relative path)
endif
endif
########################################################################
# Default TARGET to pwd (ex Daniele Vergini)
ifndef TARGET
TARGET = $(notdir $(CURDIR))
endif
########################################################################
# Arduino version number
ifndef ARDUINO_VERSION
# Remove all the decimals, and right-pad with zeros, and finally grab the first 3 bytes.
# Works for 1.0 and 1.0.1
VERSION_FILE := $(ARDUINO_DIR)/lib/version.txt
AUTO_ARDUINO_VERSION := $(shell [ -e "$(VERSION_FILE)" ] && cat "$(VERSION_FILE)" | sed -e 's/^[0-9]://g' -e 's/[.]//g' -e 's/$$/0000/' | head -c3)
ifdef AUTO_ARDUINO_VERSION
ARDUINO_VERSION = $(AUTO_ARDUINO_VERSION)
$(call show_config_variable,ARDUINO_VERSION,[AUTODETECTED])
else
ARDUINO_VERSION = 100
$(call show_config_variable,ARDUINO_VERSION,[DEFAULT])
endif
else
$(call show_config_variable,ARDUINO_VERSION,[USER])
endif
########################################################################
# 1.5.x architecture - avr or sam for arduino vendor
ifndef ARCHITECTURE
ifeq ($(shell expr $(ARDUINO_VERSION) '>' 150), 1)
# default to avr for 1.5
ARCHITECTURE = avr
else
# unset for 1.0
ARCHITECTURE =
endif
$(call show_config_variable,ARCHITECTURE,[DEFAULT])
else
$(call show_config_variable,ARCHITECTURE,[USER])
endif
########################################################################
# 1.5.x vendor - defaults to arduino
ifndef VENDOR
VENDOR = arduino
$(call show_config_variable,VENDOR,[DEFAULT])
else
$(call show_config_variable,VENDOR,[USER])
endif
########################################################################
# Arduino Sketchbook folder
ifndef ARDUINO_SKETCHBOOK
ifndef ARDUINO_PREFERENCES_PATH
AUTO_ARDUINO_PREFERENCES := $(firstword \
$(call dir_if_exists,$(HOME)/.arduino/preferences.txt) \
$(call dir_if_exists,$(HOME)/Library/Arduino/preferences.txt) )
ifdef AUTO_ARDUINO_PREFERENCES
ARDUINO_PREFERENCES_PATH = $(AUTO_ARDUINO_PREFERENCES)
$(call show_config_variable,ARDUINO_PREFERENCES_PATH,[AUTODETECTED])
endif
else
$(call show_config_variable,ARDUINO_PREFERENCES_PATH,[USER])
endif
ifneq ($(ARDUINO_PREFERENCES_PATH),)
ARDUINO_SKETCHBOOK = $(shell grep --max-count=1 --regexp="sketchbook.path=" \
"$(ARDUINO_PREFERENCES_PATH)" | \
sed -e 's/sketchbook.path=//' )
endif
ifneq ($(ARDUINO_SKETCHBOOK),)
$(call show_config_variable,ARDUINO_SKETCHBOOK,[AUTODETECTED],(from arduino preferences file))
else
ARDUINO_SKETCHBOOK = $(HOME)/sketchbook
$(call show_config_variable,ARDUINO_SKETCHBOOK,[DEFAULT])
endif
else
$(call show_config_variable,ARDUINO_SKETCHBOOK,[USER])
endif
########################################################################
# Arduino and system paths
ifndef CC_NAME
CC_NAME = avr-gcc
endif
ifndef CXX_NAME
CXX_NAME = avr-g++
endif
ifndef OBJCOPY_NAME
OBJCOPY_NAME = avr-objcopy
endif
ifndef OBJDUMP_NAME
OBJDUMP_NAME = avr-objdump
endif
ifndef AR_NAME
AR_NAME = avr-ar
endif
ifndef SIZE_NAME
SIZE_NAME = avr-size
endif
ifndef NM_NAME
NM_NAME = avr-nm
endif
ifndef AVR_TOOLS_DIR
BUNDLED_AVR_TOOLS_DIR := $(call dir_if_exists,$(ARDUINO_DIR)/hardware/tools/avr)
ifdef BUNDLED_AVR_TOOLS_DIR
AVR_TOOLS_DIR = $(BUNDLED_AVR_TOOLS_DIR)
$(call show_config_variable,AVR_TOOLS_DIR,[BUNDLED],(in Arduino distribution))
# In Linux distribution of Arduino, the path to avrdude and avrdude.conf are different
# More details at https://github.com/sudar/Arduino-Makefile/issues/48 and
# https://groups.google.com/a/arduino.cc/d/msg/developers/D_m97jGr8Xs/uQTt28KO_8oJ
ifeq ($(CURRENT_OS),LINUX)
ifndef AVRDUDE
AVRDUDE = $(AVR_TOOLS_DIR)/../avrdude
endif
ifndef AVRDUDE_CONF
AVRDUDE_CONF = $(AVR_TOOLS_DIR)/../avrdude.conf
endif
else
ifndef AVRDUDE_CONF
AVRDUDE_CONF = $(AVR_TOOLS_DIR)/etc/avrdude.conf
endif
endif
else
SYSTEMPATH_AVR_TOOLS_DIR := $(call dir_if_exists,$(abspath $(dir $(shell which $(CC_NAME)))/..))
ifdef SYSTEMPATH_AVR_TOOLS_DIR
AVR_TOOLS_DIR = $(SYSTEMPATH_AVR_TOOLS_DIR)
$(call show_config_variable,AVR_TOOLS_DIR,[AUTODETECTED],(found in $$PATH))
else
echo $(error No AVR tools directory found)
endif # SYSTEMPATH_AVR_TOOLS_DIR
endif # BUNDLED_AVR_TOOLS_DIR
else
$(call show_config_variable,AVR_TOOLS_DIR,[USER])
# Check in Windows as Cygwin is being used, that the configuration file for the AVRDUDE is set
# Check if it works on MAC
ifeq ($(CURRENT_OS),WINDOWS)
ifndef AVRDUDE_CONF
AVRDUDE_CONF = $(AVR_TOOLS_DIR)/etc/avrdude.conf
endif
endif
endif #ndef AVR_TOOLS_DIR
ifndef AVR_TOOLS_PATH
AVR_TOOLS_PATH = $(AVR_TOOLS_DIR)/bin
endif
ARDUINO_LIB_PATH = $(ARDUINO_DIR)/libraries
$(call show_config_variable,ARDUINO_LIB_PATH,[COMPUTED],(from ARDUINO_DIR))
ifndef ARDUINO_CORE_PATH
ARDUINO_CORE_PATH = $(ARDUINO_DIR)/hardware/$(VENDOR)/$(ARCHITECTURE)/cores/arduino
$(call show_config_variable,ARDUINO_CORE_PATH,[DEFAULT])
else
$(call show_config_variable,ARDUINO_CORE_PATH,[USER])
endif
# Third party hardware and core like ATtiny or ATmega 16
ifdef ALTERNATE_CORE
$(call show_config_variable,ALTERNATE_CORE,[USER])
ifndef ALTERNATE_CORE_PATH
ALTERNATE_CORE_PATH = $(ARDUINO_SKETCHBOOK)/hardware/$(ALTERNATE_CORE)
endif
endif
ifdef ALTERNATE_CORE_PATH
ifdef ALTERNATE_CORE
$(call show_config_variable,ALTERNATE_CORE_PATH,[COMPUTED], (from ARDUINO_SKETCHBOOK and ALTERNATE_CORE))
else
$(call show_config_variable,ALTERNATE_CORE_PATH,[USER])
endif
ifndef ARDUINO_VAR_PATH
ARDUINO_VAR_PATH = $(ALTERNATE_CORE_PATH)/variants
$(call show_config_variable,ARDUINO_VAR_PATH,[COMPUTED],(from ALTERNATE_CORE_PATH))
endif
ifndef BOARDS_TXT
BOARDS_TXT = $(ALTERNATE_CORE_PATH)/boards.txt
$(call show_config_variable,BOARDS_TXT,[COMPUTED],(from ALTERNATE_CORE_PATH))
endif
else
ifndef ARDUINO_VAR_PATH
ARDUINO_VAR_PATH = $(ARDUINO_DIR)/hardware/$(VENDOR)/$(ARCHITECTURE)/variants
$(call show_config_variable,ARDUINO_VAR_PATH,[COMPUTED],(from ARDUINO_DIR))
else
$(call show_config_variable,ARDUINO_VAR_PATH,[USER])
endif
ifndef BOARDS_TXT
BOARDS_TXT = $(ARDUINO_DIR)/hardware/$(VENDOR)/$(ARCHITECTURE)/boards.txt
$(call show_config_variable,BOARDS_TXT,[COMPUTED],(from ARDUINO_DIR))
else
$(call show_config_variable,BOARDS_TXT,[USER])
endif
endif
########################################################################
# Miscellaneous
ifndef USER_LIB_PATH
USER_LIB_PATH = $(ARDUINO_SKETCHBOOK)/libraries
$(call show_config_variable,USER_LIB_PATH,[DEFAULT],(in user sketchbook))
else
$(call show_config_variable,USER_LIB_PATH,[USER])
endif
ifndef PRE_BUILD_HOOK
PRE_BUILD_HOOK = pre-build-hook.sh
$(call show_config_variable,PRE_BUILD_HOOK,[DEFAULT])
else
$(call show_config_variable,PRE_BUILD_HOOK,[USER])
endif
########################################################################
# boards.txt parsing
ifdef BOARD_SUB
BOARD_SUB := $(strip $(BOARD_SUB))
$(call show_config_variable,BOARD_SUB,[USER])
endif
ifndef BOARD_TAG
BOARD_TAG = uno
$(call show_config_variable,BOARD_TAG,[DEFAULT])
else
# Strip the board tag of any extra whitespace, since it was causing the makefile to fail
# https://github.com/sudar/Arduino-Makefile/issues/57
BOARD_TAG := $(strip $(BOARD_TAG))
$(call show_config_variable,BOARD_TAG,[USER])
endif
ifndef PARSE_BOARD
# result = $(call READ_BOARD_TXT, 'boardname', 'parameter')
PARSE_BOARD = $(shell grep -v "^\#" "$(BOARDS_TXT)" | grep $(1).$(2) | cut -d = -f 2 )
endif
# If NO_CORE is set, then we don't have to parse boards.txt file
# But the user might have to define MCU, F_CPU etc
ifeq ($(strip $(NO_CORE)),)
# Which variant ? This affects the include path
ifndef VARIANT
VARIANT = $(call PARSE_BOARD,$(BOARD_TAG),build.variant)
endif
# see if we are a caterina device like leonardo or micro
CATERINA := $(findstring caterina,$(call PARSE_BOARD,$(BOARD_TAG),bootloader.path))
ifndef CATERINA
# bootloader.path is deprecated in 1.5, its now part of bootloader.file
CATERINA := $(findstring caterina,$(call PARSE_BOARD,$(BOARD_TAG),bootloader.file))
endif
ifndef CATERINA
# might be a submenu
CATERINA := $(findstring caterina,$(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).bootloader.file))
endif
# processor stuff
ifndef MCU
MCU := $(call PARSE_BOARD,$(BOARD_TAG),build.mcu)
ifndef MCU
# might be a submenu
MCU := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).build.mcu)
endif
endif
ifndef F_CPU
F_CPU := $(call PARSE_BOARD,$(BOARD_TAG),build.f_cpu)
ifndef F_CPU
# might be a submenu
F_CPU := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).build.f_cpu)
endif
endif
ifneq ($(CATERINA),)
# USB IDs for the caterina devices like leonardo or micro
ifndef USB_VID
USB_VID = $(call PARSE_BOARD,$(BOARD_TAG),build.vid)
endif
ifndef USB_PID
USB_PID = $(call PARSE_BOARD,$(BOARD_TAG),build.pid)
endif
endif
# normal programming info
ifndef AVRDUDE_ARD_PROGRAMMER
AVRDUDE_ARD_PROGRAMMER := $(call PARSE_BOARD,$(BOARD_TAG),upload.protocol)
ifndef AVRDUDE_ARD_PROGRAMMER
# might be a submenu
AVRDUDE_ARD_PROGRAMMER := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).upload.protocol)
endif
endif
ifndef AVRDUDE_ARD_BAUDRATE
AVRDUDE_ARD_BAUDRATE := $(call PARSE_BOARD,$(BOARD_TAG),upload.speed)
ifndef AVRDUDE_ARD_BAUDRATE
# might be a submenu
AVRDUDE_ARD_BAUDRATE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).upload.speed)
endif
endif
# fuses if you're using e.g. ISP
ifndef ISP_LOCK_FUSE_PRE
ISP_LOCK_FUSE_PRE = $(call PARSE_BOARD,$(BOARD_TAG),bootloader.unlock_bits)
endif
ifndef ISP_HIGH_FUSE
ISP_HIGH_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),bootloader.high_fuses)
ifndef ISP_HIGH_FUSE
# might be a submenu
ISP_HIGH_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).bootloader.high_fuses)
endif
endif
ifndef ISP_LOW_FUSE
ISP_LOW_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),bootloader.low_fuses)
ifndef ISP_LOW_FUSE
# might be a submenu
ISP_LOW_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).bootloader.low_fuses)
endif
endif
ifndef ISP_EXT_FUSE
ISP_EXT_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),bootloader.extended_fuses)
ifndef ISP_EXT_FUSE
# might be a submenu
ISP_EXT_FUSE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).bootloader.extended_fuses)
endif
endif
ifndef BOOTLOADER_PATH
BOOTLOADER_PATH = $(call PARSE_BOARD,$(BOARD_TAG),bootloader.path)
endif
ifndef BOOTLOADER_FILE
BOOTLOADER_FILE := $(call PARSE_BOARD,$(BOARD_TAG),bootloader.file)
ifndef BOOTLOADER_FILE
# might be a submenu
BOOTLOADER_FILE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).bootloader.file)
endif
endif
ifndef ISP_LOCK_FUSE_POST
ISP_LOCK_FUSE_POST = $(call PARSE_BOARD,$(BOARD_TAG),bootloader.lock_bits)
endif
ifndef HEX_MAXIMUM_SIZE
HEX_MAXIMUM_SIZE := $(call PARSE_BOARD,$(BOARD_TAG),upload.maximum_size)
ifndef HEX_MAXIMUM_SIZE
# might be a submenu
HEX_MAXIMUM_SIZE := $(call PARSE_BOARD,$(BOARD_TAG),menu.cpu.$(BOARD_SUB).upload.maximum_size)
endif
endif
endif
# Everything gets built in here (include BOARD_TAG now)
ifndef OBJDIR
OBJDIR = build-$(BOARD_TAG)
$(call show_config_variable,OBJDIR,[COMPUTED],(from BOARD_TAG))
else
$(call show_config_variable,OBJDIR,[USER])
endif
########################################################################
# Reset
ifndef RESET_CMD
ARD_RESET_ARDUINO := $(shell which ard-reset-arduino 2> /dev/null)
ifndef ARD_RESET_ARDUINO
# same level as *.mk in bin directory when checked out from git
# or in $PATH when packaged
ARD_RESET_ARDUINO = $(ARDMK_DIR)/bin/ard-reset-arduino
endif
ifneq ($(CATERINA),)
RESET_CMD = $(ARD_RESET_ARDUINO) --caterina $(ARD_RESET_OPTS) $(call get_monitor_port)
else
RESET_CMD = $(ARD_RESET_ARDUINO) $(ARD_RESET_OPTS) $(call get_monitor_port)
endif
endif
ifneq ($(CATERINA),)
ERROR_ON_CATERINA = $(error On $(BOARD_TAG), raw_xxx operation is not supported)
else
ERROR_ON_CATERINA =
endif
########################################################################
# Local sources
LOCAL_C_SRCS ?= $(wildcard *.c)
LOCAL_CPP_SRCS ?= $(wildcard *.cpp)
LOCAL_CC_SRCS ?= $(wildcard *.cc)
LOCAL_PDE_SRCS ?= $(wildcard *.pde)
LOCAL_INO_SRCS ?= $(wildcard *.ino)
LOCAL_AS_SRCS ?= $(wildcard *.S)
LOCAL_SRCS = $(LOCAL_C_SRCS) $(LOCAL_CPP_SRCS) \
$(LOCAL_CC_SRCS) $(LOCAL_PDE_SRCS) \
$(LOCAL_INO_SRCS) $(LOCAL_AS_SRCS)
LOCAL_OBJ_FILES = $(LOCAL_C_SRCS:.c=.o) $(LOCAL_CPP_SRCS:.cpp=.o) \
$(LOCAL_CC_SRCS:.cc=.o) $(LOCAL_PDE_SRCS:.pde=.o) \
$(LOCAL_INO_SRCS:.ino=.o) $(LOCAL_AS_SRCS:.S=.o)
LOCAL_OBJS = $(patsubst %,$(OBJDIR)/%,$(LOCAL_OBJ_FILES))
ifeq ($(words $(LOCAL_SRCS)), 0)
$(error At least one source file (*.ino, *.pde, *.cpp, *c, *cc, *.S) is needed)
endif
# CHK_SOURCES is used by flymake
# flymake creates a tmp file in the same directory as the file under edition
# we must skip the verification in this particular case
ifeq ($(strip $(CHK_SOURCES)),)
ifeq ($(strip $(NO_CORE)),)
# Ideally, this should just check if there are more than one file
ifneq ($(words $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS)), 1)
ifeq ($(words $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS)), 0)
$(call show_config_info,No .pde or .ino files found. If you are compiling .c or .cpp files then you need to explicitly include Arduino header files)
else
#TODO: Support more than one file. https://github.com/sudar/Arduino-Makefile/issues/49
$(error Need exactly one .pde or .ino file. This makefile doesn't support multiple .ino/.pde files yet)
endif
endif
endif
endif
# core sources
ifeq ($(strip $(NO_CORE)),)
ifdef ARDUINO_CORE_PATH
CORE_C_SRCS = $(wildcard $(ARDUINO_CORE_PATH)/*.c)
CORE_C_SRCS += $(wildcard $(ARDUINO_CORE_PATH)/avr-libc/*.c)
CORE_CPP_SRCS = $(wildcard $(ARDUINO_CORE_PATH)/*.cpp)
ifneq ($(strip $(NO_CORE_MAIN_CPP)),)
CORE_CPP_SRCS := $(filter-out %main.cpp, $(CORE_CPP_SRCS))
$(call show_config_info,NO_CORE_MAIN_CPP set so core library will not include main.cpp,[MANUAL])
endif
CORE_OBJ_FILES = $(CORE_C_SRCS:.c=.o) $(CORE_CPP_SRCS:.cpp=.o) $(CORE_AS_SRCS:.S=.o)
CORE_OBJS = $(patsubst $(ARDUINO_CORE_PATH)/%, \
$(OBJDIR)/core/%,$(CORE_OBJ_FILES))
endif
else
$(call show_config_info,NO_CORE set so core library will not be built,[MANUAL])
endif
########################################################################
# Determine ARDUINO_LIBS automatically
ifndef ARDUINO_LIBS
# automatically determine included libraries
ARDUINO_LIBS += $(filter $(notdir $(wildcard $(ARDUINO_DIR)/libraries/*)), \
$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(LOCAL_SRCS)))
ARDUINO_LIBS += $(filter $(notdir $(wildcard $(ARDUINO_SKETCHBOOK)/libraries/*)), \
$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(LOCAL_SRCS)))
ARDUINO_LIBS += $(filter $(notdir $(wildcard $(USER_LIB_PATH)/*)), \
$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(LOCAL_SRCS)))
endif
########################################################################
# Serial monitor (just a screen wrapper)
# Quite how to construct the monitor command seems intimately tied
# to the command we're using (here screen). So, read the screen docs
# for more information (search for 'character special device').
ifeq ($(strip $(NO_CORE)),)
ifndef MONITOR_BAUDRATE
ifeq ($(words $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS)), 1)
SPEED = $(shell egrep -h 'Serial.begin *\([0-9]+\)' $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS) | sed -e 's/[^0-9]//g'| head -n1)
MONITOR_BAUDRATE = $(findstring $(SPEED),300 1200 2400 4800 9600 14400 19200 28800 38400 57600 115200)
endif
ifeq ($(MONITOR_BAUDRATE),)
MONITOR_BAUDRATE = 9600
$(call show_config_variable,MONITOR_BAUDRATE,[ASSUMED])
else
$(call show_config_variable,MONITOR_BAUDRATE,[DETECTED], (in sketch))
endif
else
$(call show_config_variable,MONITOR_BAUDRATE, [USER])
endif
ifndef MONITOR_CMD
MONITOR_CMD = screen
endif
endif
########################################################################
# Include Arduino Header file
ifndef ARDUINO_HEADER
# We should check for Arduino version, not just the file extension
# because, a .pde file can be used in Arduino 1.0 as well
ifeq ($(shell expr $(ARDUINO_VERSION) '<' 100), 1)
ARDUINO_HEADER=WProgram.h
else
ARDUINO_HEADER=Arduino.h
endif
endif
########################################################################
# Rules for making stuff
# The name of the main targets
TARGET_HEX = $(OBJDIR)/$(TARGET).hex
TARGET_ELF = $(OBJDIR)/$(TARGET).elf
TARGET_EEP = $(OBJDIR)/$(TARGET).eep
CORE_LIB = $(OBJDIR)/libcore.a
# Names of executables - chipKIT needs to override all to set paths to PIC32
# tools, and we can't use "?=" assignment because these are already implicitly
# defined by Make (e.g. $(CC) == cc).
ifndef OVERRIDE_EXECUTABLES
CC = $(AVR_TOOLS_PATH)/$(CC_NAME)
CXX = $(AVR_TOOLS_PATH)/$(CXX_NAME)
AS = $(AVR_TOOLS_PATH)/$(AS_NAME)
OBJCOPY = $(AVR_TOOLS_PATH)/$(OBJCOPY_NAME)
OBJDUMP = $(AVR_TOOLS_PATH)/$(OBJDUMP_NAME)
AR = $(AVR_TOOLS_PATH)/$(AR_NAME)
SIZE = $(AVR_TOOLS_PATH)/$(SIZE_NAME)
NM = $(AVR_TOOLS_PATH)/$(NM_NAME)
endif
REMOVE = rm -rf
MV = mv -f
CAT = cat
ECHO = printf
MKDIR = mkdir -p
# General arguments
USER_LIBS = $(wildcard $(patsubst %,$(USER_LIB_PATH)/%,$(ARDUINO_LIBS)))
USER_LIB_NAMES = $(patsubst $(USER_LIB_PATH)/%,%,$(USER_LIBS))
# Let user libraries override system ones.
SYS_LIBS = $(wildcard $(patsubst %,$(ARDUINO_LIB_PATH)/%,$(filter-out $(USER_LIB_NAMES),$(ARDUINO_LIBS))))
SYS_LIB_NAMES = $(patsubst $(ARDUINO_LIB_PATH)/%,%,$(SYS_LIBS))
# Error here if any are missing.
LIBS_NOT_FOUND = $(filter-out $(USER_LIB_NAMES) $(SYS_LIB_NAMES),$(ARDUINO_LIBS))
ifneq (,$(strip $(LIBS_NOT_FOUND)))
$(error The following libraries specified in ARDUINO_LIBS could not be found (searched USER_LIB_PATH and ARDUINO_LIB_PATH): $(LIBS_NOT_FOUND))
endif
SYS_LIBS := $(wildcard $(SYS_LIBS) $(addsuffix /utility,$(SYS_LIBS)))
USER_LIBS := $(wildcard $(USER_LIBS) $(addsuffix /utility,$(USER_LIBS)))
SYS_INCLUDES = $(patsubst %,-I%,$(SYS_LIBS))
USER_INCLUDES = $(patsubst %,-I%,$(USER_LIBS))
LIB_C_SRCS = $(wildcard $(patsubst %,%/*.c,$(SYS_LIBS)))
LIB_CPP_SRCS = $(wildcard $(patsubst %,%/*.cpp,$(SYS_LIBS)))
LIB_AS_SRCS = $(wildcard $(patsubst %,%/*.S,$(SYS_LIBS)))
USER_LIB_CPP_SRCS = $(wildcard $(patsubst %,%/*.cpp,$(USER_LIBS)))
USER_LIB_C_SRCS = $(wildcard $(patsubst %,%/*.c,$(USER_LIBS)))
USER_LIB_AS_SRCS = $(wildcard $(patsubst %,%/*.S,$(USER_LIBS)))
LIB_OBJS = $(patsubst $(ARDUINO_LIB_PATH)/%.c,$(OBJDIR)/libs/%.o,$(LIB_C_SRCS)) \
$(patsubst $(ARDUINO_LIB_PATH)/%.cpp,$(OBJDIR)/libs/%.o,$(LIB_CPP_SRCS)) \
$(patsubst $(ARDUINO_LIB_PATH)/%.S,$(OBJDIR)/libs/%.o,$(LIB_AS_SRCS))
USER_LIB_OBJS = $(patsubst $(USER_LIB_PATH)/%.cpp,$(OBJDIR)/libs/%.o,$(USER_LIB_CPP_SRCS)) \
$(patsubst $(USER_LIB_PATH)/%.c,$(OBJDIR)/libs/%.o,$(USER_LIB_C_SRCS)) \
$(patsubst $(USER_LIB_PATH)/%.S,$(OBJDIR)/libs/%.o,$(USER_LIB_AS_SRCS))
# Dependency files
DEPS = $(LOCAL_OBJS:.o=.d) $(LIB_OBJS:.o=.d) $(USER_LIB_OBJS:.o=.d) $(CORE_OBJS:.o=.d)
# Optimization level for the compiler.
# You can get the list of options at http://www.nongnu.org/avr-libc/user-manual/using_tools.html#gcc_optO
# Also read http://www.nongnu.org/avr-libc/user-manual/FAQ.html#faq_optflags
ifndef OPTIMIZATION_LEVEL
OPTIMIZATION_LEVEL=s
$(call show_config_variable,OPTIMIZATION_LEVEL,[DEFAULT])
else
$(call show_config_variable,OPTIMIZATION_LEVEL,[USER])
endif
ifndef DEBUG_FLAGS
DEBUG_FLAGS = -O0 -g
endif
# SoftwareSerial requires -Os (some delays are tuned for this optimization level)
%SoftwareSerial.o : OPTIMIZATION_FLAGS = -Os
ifndef MCU_FLAG_NAME
MCU_FLAG_NAME = mmcu
$(call show_config_variable,MCU_FLAG_NAME,[DEFAULT])
else
$(call show_config_variable,MCU_FLAG_NAME,[USER])
endif
# Using += instead of =, so that CPPFLAGS can be set per sketch level
CPPFLAGS += -$(MCU_FLAG_NAME)=$(MCU) -DF_CPU=$(F_CPU) -DARDUINO=$(ARDUINO_VERSION) -D__PROG_TYPES_COMPAT__ \
-I. -I$(ARDUINO_CORE_PATH) -I$(ARDUINO_VAR_PATH)/$(VARIANT) \
$(SYS_INCLUDES) $(USER_INCLUDES) -Wall -ffunction-sections \
-fdata-sections
ifdef DEBUG
OPTIMIZATION_FLAGS= $(DEBUG_FLAGS)
else
OPTIMIZATION_FLAGS = -O$(OPTIMIZATION_LEVEL)
endif
CPPFLAGS += $(OPTIMIZATION_FLAGS)
# USB IDs for the Caterina devices like leonardo or micro
ifneq ($(CATERINA),)
CPPFLAGS += -DUSB_VID=$(USB_VID) -DUSB_PID=$(USB_PID)
endif
ifndef CFLAGS_STD
CFLAGS_STD = -std=gnu99
$(call show_config_variable,CFLAGS_STD,[DEFAULT])
else
$(call show_config_variable,CFLAGS_STD,[USER])
endif
CFLAGS += $(EXTRA_FLAGS) $(EXTRA_CFLAGS)
CXXFLAGS += -fno-exceptions $(EXTRA_FLAGS) $(EXTRA_CXXFLAGS)
ASFLAGS += -x assembler-with-cpp
LDFLAGS += -$(MCU_FLAG_NAME)=$(MCU) -Wl,--gc-sections -O$(OPTIMIZATION_LEVEL) $(EXTRA_FLAGS) $(EXTRA_CXXFLAGS) $(EXTRA_LDFLAGS)
SIZEFLAGS ?= --mcu=$(MCU) -C
# for backwards compatibility, grab ARDUINO_PORT if the user has it set
# instead of MONITOR_PORT
MONITOR_PORT ?= $(ARDUINO_PORT)
ifeq ($(CURRENT_OS), WINDOWS)
# Expect MONITOR_PORT to be '1' or 'com1' for COM1 in Windows. Split it up
# into the two styles required: /dev/ttyS* for ard-reset-arduino and com*
# for avrdude. This also could work with /dev/com* device names and be more
# consistent, but the /dev/com* is not recommended by Cygwin and doesn't
# always show up.
COM_PORT_ID = $(subst com,,$(MONITOR_PORT))
COM_STYLE_MONITOR_PORT = com$(COM_PORT_ID)
DEVICE_PATH = /dev/ttyS$(shell awk 'BEGIN{ print $(COM_PORT_ID) - 1 }')
endif
ifneq ($(strip $(MONITOR_PORT)),)
# set DEVICE_PATH based on user-defined MONITOR_PORT or ARDUINO_PORT
DEVICE_PATH = $(MONITOR_PORT)
$(call show_config_variable,DEVICE_PATH,[COMPUTED],(from MONITOR_PORT))
else
# If no port is specified, try to guess it from wildcards.
# Will only work if the Arduino is the only/first device matched.
DEVICE_PATH = $(firstword $(wildcard \
/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbserial* /dev/tty.usbmodem*))
$(call show_config_variable,DEVICE_PATH,[AUTODETECTED])
endif
# Returns the Arduino port (first wildcard expansion) if it exists, otherwise it errors.
get_monitor_port = $(if $(wildcard $(DEVICE_PATH)),$(firstword $(wildcard $(DEVICE_PATH))),$(error Arduino port $(DEVICE_PATH) not found!))
# Returns the ISP port (first wildcard expansion) if it exists, otherwise it errors.
get_isp_port = $(if $(wildcard $(ISP_PORT)),$(firstword $(wildcard $(ISP_PORT))),$(if $(findstring Xusb,X$(ISP_PORT)),$(ISP_PORT),$(error ISP port $(ISP_PORT) not found!)))
# Command for avr_size: do $(call avr_size,elffile,hexfile)
ifneq (,$(findstring AVR,$(shell $(SIZE) --help)))
# We have a patched version of binutils that mentions AVR - pass the MCU
# and the elf to get nice output.
avr_size = $(SIZE) $(SIZEFLAGS) --format=avr $(1)
$(call show_config_info,Size utility: AVR-aware for enhanced output,[AUTODETECTED])
else
# We have a plain-old binutils version - just give it the hex.
avr_size = $(SIZE) $(2)
$(call show_config_info,Size utility: Basic (not AVR-aware),[AUTODETECTED])
endif
ifneq (,$(strip $(ARDUINO_LIBS)))
$(call arduino_output,-)
$(call show_config_info,ARDUINO_LIBS =)
endif
ifneq (,$(strip $(USER_LIB_NAMES)))
$(foreach lib,$(USER_LIB_NAMES),$(call show_config_info, $(lib),[USER]))
endif
ifneq (,$(strip $(SYS_LIB_NAMES)))
$(foreach lib,$(SYS_LIB_NAMES),$(call show_config_info, $(lib),[SYSTEM]))
endif
# either calculate parent dir from arduino dir, or user-defined path
ifndef BOOTLOADER_PARENT
BOOTLOADER_PARENT = $(ARDUINO_DIR)/hardware/$(VENDOR)/$(ARCHITECTURE)/bootloaders