53
53
# You will also need to set BOARD to the type of arduino you're using. This
54
54
# can be done when running make (or you could set a default in ~/.profile and
55
# iverride it as necessary). For example:
55
# override it as necessary). For example:
57
57
# $ export BOARD=uno
60
60
# You may also need to set SERIALDEV if it is not detected correctly.
62
# The presence of a .ino or .pde file causes the arduino.mk to atuomatically
63
# determine va;ues for SOURCES, TARGET and LIBRARIES. Any .c, .cc and .cpp
64
# files in the project directory (or any "util" or "utility" subdirectoried)
65
# are automatically included in the build and are scanned for Atduino libraries
66
# that have been #included.
62
# The presence of a .ino (or .pde) file causes the arduino.mk to automatically
63
# determine values for SOURCES, TARGET and LIBRARIES. Any .c, .cc and .cpp
64
# files in the project directory (or any "util" or "utility" subdirectories)
65
# are automatically included in the build and are scanned for Arduino libraries
66
# that have been #included. Note, there can only be one .ino (or .pde) file.
68
68
# Alternatively, if you want to manually specify build variables, create a
69
# Makefile that defines SOURCES and LIBRARARIES and then includes arduino.mk.
69
# Makefile that defines SOURCES and LIBRARIES and then includes arduino.mk.
70
70
# (There is no need to define TARGET). Here is an example Makefile:
72
72
# SOURCES := main.cc other.cc
78
78
# ARDUINODIR The path where you have installed/unpacked the arduino software
79
79
# (from http://arduino.cc/)
81
# ARDUINOCONST The arduino software version, as an integer, used to define the
82
# ARDUINO version constant. This defaults to 100 if undefined.
84
# 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
86
# is passed to avrdude (to the system default is used).
88
# AVRTOOLSPATH A space-separated list of directories to search in order when
89
# lookin for the avr build tools. This defaults to the system PATH
90
# followed by subdirectories in ARDUINODIR if undefined.
81
92
# BOARD Specify a target board type. Run `make boards` to see available
84
# SERIALDEV The unix device of the device where the arduino can be found.
95
# LIBRARIES A list of arduino libraries to build and include. This is set
96
# automatically if a .ino (or .pde) is found.
98
# SERIALDEV The unix device name of the serial device that is the arduino.
85
99
# If unspecified, an attempt is made to determine the name of a
86
100
# connected arduino's serial device.
102
# SOURCES A list of all source files of whatever language. The language
103
# type is determined by the file extension. This is set
104
# automatically if a .ino (or .pde) is found.
88
106
# TARGET The name of the target file. This is set automatically if a
89
# .ino or .pde is found, but it is not neccesary to set it
107
# .ino (or .pde) is found, but it is not necessary to set it
92
# SOURCES A list of all source files of whatever language. The language
93
# type is determined by the file extension. This is set
94
# automatically if a .ino or .pde is found.
96
# LIBRARIES A list of arduino libraries to build and include. This is set
97
# automatically if a .ino or .pde is found.
99
110
# This makefile also defines the following goals for use on the command line
100
111
# when you run make:
111
122
# boards Display a list of available board names, so that you can set the
112
123
# BOARD environment variable appropriately.
114
# monitor Start `screen` on the serial device. It is ment to be an
115
# equivelant to the arduino serial monitor.
125
# monitor Start `screen` on the serial device. This is meant to be an
126
# equivalent to the arduino serial monitor.
117
128
# <file> Builds the specified file, either an object file or the target,
118
129
# from those that that would be built for the project.
119
130
#_______________________________________________________________________________
122
# The full path to the arduino software, from arduino.cc
133
# default arduino software directory, check software exists
123
134
ifndef ARDUINODIR
124
135
ARDUINODIR := $(wildcard ~/opt/arduino)
127
# check arduino software
128
ifeq ($(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt), )
137
ifeq "$(wildcard $(ARDUINODIR)/hardware/arduino/boards.txt)" ""
129
138
$(error ARDUINODIR is not set correctly; arduino software not found)
141
# default arduino version
144
# default path for avr tools
146
AVRTOOLSPATH := $(subst :, , $(PATH))
147
AVRTOOLSPATH += $(ARDUINODIR)/hardware/tools
148
AVRTOOLSPATH += $(ARDUINODIR)/hardware/tools/avr/bin
133
152
INOFILE := $(wildcard *.ino *.pde)
135
ifneq ($(words $(INOFILE)), 1)
154
ifneq "$(words $(INOFILE))" "1"
136
155
$(error There is more than one .pde or .ino file in this directory!)
158
# automatically determine sources and targeet
138
159
TARGET := $(basename $(INOFILE))
139
160
SOURCES := $(INOFILE) \
140
161
$(wildcard *.c *.cc *.cpp) \
141
162
$(wildcard $(addprefix util/, *.c *.cc *.cpp)) \
142
163
$(wildcard $(addprefix utility/, *.c *.cc *.cpp))
143
165
# automatically determine included libraries
144
166
ARDUINOLIBSAVAIL := $(notdir $(wildcard $(ARDUINODIR)/libraries/*))
145
167
LIBRARIES := $(filter $(ARDUINOLIBSAVAIL), \
146
168
$(shell sed -ne "s/^ *\# *include *[<\"]\(.*\)\.h[>\"]/\1/p" $(SOURCES)))
149
# no target? use default
154
# no serial device? attempt to detect an arduino
156
SERIALDEV := $(firstword $(wildcard /dev/ttyACM? /dev/ttyUSB?))
159
# no board? oh dear...
161
ifneq "$(MAKECMDGOALS)" "boards"
162
ifneq "$(MAKECMDGOALS)" "clean"
163
$(error BOARD is unset. Type 'make boards' to see possible values)
172
# no serial device? make a poor attempt to detect an arduino
174
ifeq "$(SERIALDEV)" ""
175
SERIALDEV := $(firstword $(wildcard \
176
/dev/ttyACM? /dev/ttyUSB? /dev/tty.usbmodem*))
181
findsoftware = $(firstword $(wildcard $(addsuffix /$(1), $(AVRTOOLSPATH))))
182
CC := $(call findsoftware,avr-gcc)
183
CXX := $(call findsoftware,avr-g++)
184
LD := $(call findsoftware,avr-ld)
185
AR := $(call findsoftware,avr-ar)
186
OBJCOPY := $(call findsoftware,avr-objcopy)
187
AVRDUDE := $(call findsoftware,avrdude)
190
TARGET := $(if $(TARGET),$(TARGET),a.out)
169
191
OBJECTS := $(addsuffix .o, $(basename $(SOURCES)))
170
192
ARDUINOSRCDIR := $(ARDUINODIR)/hardware/arduino/cores/arduino
193
ARDUINOLIBSDIR := $(ARDUINODIR)/libraries
171
194
ARDUINOLIB := _arduino.a
172
195
ARDUINOLIBTMP := $(ARDUINOLIB).tmp
173
196
ARDUINOLIBOBJS := $(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
174
197
$(wildcard $(addprefix $(ARDUINOSRCDIR)/, *.c *.cpp)))))
175
198
ARDUINOLIBOBJS += $(foreach lib, $(LIBRARIES), \
176
199
$(patsubst %, $(ARDUINOLIBTMP)/%.o, $(basename $(notdir \
177
$(wildcard $(addprefix $(ARDUINODIR)/libraries/$(lib)/, \
178
*.c *.cpp utility/*.c utility/*.cpp ))))))
200
$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/, *.c *.cpp)) \
201
$(wildcard $(addprefix $(ARDUINOLIBSDIR)/$(lib)/utility/, *.c *.cpp)) ))))
202
ifeq "$(AVRDUDECONF)" ""
203
ifeq "$(AVRDUDE)" "$(ARDUINODIR)/hardware/tools/avr/bin/avrdude"
204
AVRDUDECONF := $(ARDUINODIR)/hardware/tools/avr/etc/avrdude.conf
206
AVRDUDECONF := $(wildcard $(AVRDUDE).conf)
212
ifneq "$(MAKECMDGOALS)" "boards"
213
ifneq "$(MAKECMDGOALS)" "clean"
214
$(error BOARD is unset. Type 'make boards' to see possible values)
180
219
# obtain board parameters from the arduino boards.txt file
181
220
BOARDS_FILE := $(ARDUINODIR)/hardware/arduino/boards.txt
190
229
BOARD_UPLOAD_PROTOCOL := \
191
230
$(shell sed -ne "s/$(BOARD).upload.protocol=\(.*\)/\1/p" $(BOARDS_FILE))
193
# prefer software that comes with arduino
194
TOOLSDIRPREFIX = $(wildcard $(ARDUINODIR)/hardware/tools/)
195
TOOLSAVRDIRPREFIX = $(wildcard $(ARDUINODIR)/hardware/tools/avr/)
197
# software (prioritise binaries that came with arduino software)
198
FIND_SOFTWARE = $(firstword $(wildcard \
199
$(ARDUINODIR)/hardware/tools/$(1) \
200
$(ARDUINODIR)/hardware/tools/avr/bin/$(1) \
202
CC := $(call FIND_SOFTWARE,avr-gcc)
203
CXX := $(call FIND_SOFTWARE,avr-g++)
204
LD := $(call FIND_SOFTWARE,avr-ld)
205
AR := $(call FIND_SOFTWARE,avr-ar)
206
OBJCOPY := $(call FIND_SOFTWARE,avr-objcopy)
207
AVRDUDE := $(call FIND_SOFTWARE,avrdude)
233
ifeq "$(BOARD_BUILD_MCU)" ""
234
ifneq "$(MAKECMDGOALS)" "boards"
235
ifneq "$(MAKECMDGOALS)" "clean"
236
$(error BOARD is invalid. Type 'make boards' to see possible values)
210
CPPFLAGS = -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
211
CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU) -DF_CPU=$(BOARD_BUILD_FCPU)
242
CPPFLAGS := -Os -Wall -fno-exceptions -ffunction-sections -fdata-sections
243
CPPFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
244
CPPFLAGS += -mmcu=$(BOARD_BUILD_MCU)
245
CPPFLAGS += -DF_CPU=$(BOARD_BUILD_FCPU) -DARDUINO=$(ARDUINOCONST)
212
246
CPPFLAGS += -I. -Iutil -Iutility -I$(ARDUINOSRCDIR)
213
247
CPPFLAGS += -I$(ARDUINODIR)/hardware/arduino/variants/$(BOARD_BUILD_VARIANT)/
214
248
CPPFLAGS += $(addprefix -I$(ARDUINODIR)/libraries/, $(LIBRARIES))
215
249
CPPFLAGS += $(patsubst %, -I$(ARDUINODIR)/libraries/%/utility, $(LIBRARIES))
216
AVRDUDEFLAGS = -C $(ARDUINODIR)/hardware/tools/avrdude.conf -DV
250
AVRDUDEFLAGS := $(addprefix -C , $(AVRDUDECONF)) -DV
217
251
AVRDUDEFLAGS += -p $(BOARD_BUILD_MCU) -P $(SERIALDEV)
218
252
AVRDUDEFLAGS += -c $(BOARD_UPLOAD_PROTOCOL) -b $(BOARD_UPLOAD_SPEED)
219
LINKFLAGS = -Os -Wl,--gc-sections -mmcu=$(BOARD_BUILD_MCU)
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)
222
259
.DEFAULT_GOAL := all