Bundle firmware builder into fbos

.gitignore

@@ -44,3 +44,4 @@ run-qemu.sh
 *.img
 artifacts
 RELEASE_NOTES
+*.hex

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "c_src/farmbot-arduino-firmware"]
+	path = c_src/farmbot-arduino-firmware
+	url = git@github.com:FarmBot/farmbot-arduino-firmware.git
+	ignore = dirty

Makefile

@@ -1,16 +1,98 @@
-ifeq ($(ERTS_DIR),)
-ERTS_DIR = $(shell erl -eval "io:format(\"~s/erts-~s~n\", [code:root_dir(), erlang:system_info(version)])" -s init stop -noshell)
-ifeq ($(ERTS_DIR),)
-   $(error Could not find the Erlang installation. Check to see that 'erl' is in your PATH)
+# Erlang Nif Stuff
+ifeq ($(ERL_EI_INCLUDE_DIR),)
+ERL_ROOT_DIR = $(shell erl -eval "io:format(\"~s~n\", [code:root_dir()])" -s init stop -noshell)
+ifeq ($(ERL_ROOT_DIR),)
+	 $(error Could not find the Erlang installation. Check to see that 'erl' is in your PATH)
+endif
+ERL_EI_INCLUDE_DIR = "$(ERL_ROOT_DIR)/usr/include"
+ERL_EI_LIBDIR = "$(ERL_ROOT_DIR)/usr/lib"
+endif
+
+# Set Erlang-specific compile and linker flags
+ERL_CFLAGS ?= -I$(ERL_EI_INCLUDE_DIR)
+ERL_LDFLAGS ?= -L$(ERL_EI_LIBDIR)
+
+NIF_LDFLAGS += -fPIC -shared
+NIF_CFLAGS ?= -fPIC -O2 -Wall
+
+ifeq ($(CROSSCOMPILE),)
+ifeq ($(shell uname),Darwin)
+NIF_LDFLAGS += -undefined dynamic_lookup
 endif
 endif
 
-CFLAGS = -fPIC -Wl,-undefined -Wl,dynamic_lookup -shared
-ERL_FLAGS = -I$(ERTS_DIR)/include
-CC ?= $(CROSSCOMPILER)cc
+NIF=priv/build_calendar.so
+ARDUINO_FW=priv/arduino-firmware.hex
+FARMDUINO_FW=priv/farmduino-firmware.hex
 
-all:
-	$(CC) $(ERL_FLAGS) $(CFLAGS) -o priv/build_calendar.so c_src/build_calendar.c
+ARDUINO_INSTALL_DIR ?= $(HOME)/arduino-1.8.5
+ARDUINO_BUILDER=$(ARDUINO_INSTALL_DIR)/arduino-builder
+
+ARDUINO_HARDWARE_DIR = $(ARDUINO_INSTALL_DIR)/hardware
+ARDUINO_HARDWARE_FLAGS = -hardware $(ARDUINO_HARDWARE_DIR)
+
+ARDUINO_TOOLS_FLAGS = -tools $(ARDUINO_INSTALL_DIR)/tools-builder \
+-tools $(ARDUINO_HARDWARE_DIR)/tools/avr
+
+ARDUINO_LIBS_FLAGS = -built-in-libraries $(ARDUINO_INSTALL_DIR)/libraries
+
+ARDUINO_PREFS_FLAGS = -prefs=build.warn_data_percentage=75 \
+	-prefs=runtime.tools.avrdude.path=$(ARDUINO_INSTALL_DIR)/hardware/tools/avr \
+	-prefs=runtime.tools.avr-gcc.path=$(ARDUINO_INSTALL_DIR)/hardware/tools/avr
+
+ARDUINO_ARCH_FLAGS = -fqbn=arduino:avr:mega:cpu=atmega2560
+ARDUINO_SRC_INO = c_src/farmbot-arduino-firmware/src/src.ino
+
+ARDUINO_BUILD_DIR = $(PWD)/_build/arduino
+ARDUINO_CACHE_DIR = $(PWD)/_build/arduino-cache
+ARDUINO_BUILD_DIR_FLAGS =	-build-path $(ARDUINO_BUILD_DIR) -build-cache	$(ARDUINO_CACHE_DIR)
+
+ARDUINO_BUILD = $(ARDUINO_BUILDER) \
+	$(ARDUINO_HARDWARE_FLAGS) \
+	$(ARDUINO_TOOLS_FLAGS) \
+	$(ARDUINO_LIBS_FLAGS) \
+	$(ARDUINO_ARCH_FLAGS) \
+	$(ARDUINO_PREFS_FLAGS) \
+	$(ARDUINO_BUILD_DIR_FLAGS) \
+	$(ARDUINO_SRC_INO)
+
+ifdef CIRCLECI
+  all: priv $(NIF)
+else
+  all: priv $(NIF) farmbot_arduino_firmware
+endif
+
+farmbot_arduino_firmware_build_dirs: $(ARDUINO_BUILD_DIR) $(ARDUINO_CACHE_DIR)
+
+$(ARDUINO_BUILD_DIR):
+	mkdir -p $(ARDUINO_BUILD_DIR)
+
+$(ARDUINO_CACHE_DIR):
+	mkdir -p $(ARDUINO_CACHE_DIR)
+
+farmbot_arduino_firmware: arduino farmduino
+
+arduino: farmbot_arduino_firmware_build_dirs $(ARDUINO_FW)
+
+farmduino: farmbot_arduino_firmware_build_dirs $(FARMDUINO_FW)
+
+priv:
+	mkdir -p priv
+
+$(NIF): c_src/build_calendar.c
+	$(CC) $(ERL_CFLAGS) $(NIF_CFLAGS) $(ERL_LDFLAGS) $(NIF_LDFLAGS) -o $@ $<
+
+$(ARDUINO_FW):
+	$(shell echo \#define RAMPS_V14 > c_src/farmbot-arduino-firmware/src/Board.h)
+	$(ARDUINO_BUILD)
+	cp $(ARDUINO_BUILD_DIR)/src.ino.hex $@
+
+$(FARMDUINO_FW):
+	$(shell echo \#define FARMDUINO_V10 > c_src/farmbot-arduino-firmware/src/Board.h)
+	$(ARDUINO_BUILD)
+	cp $(ARDUINO_BUILD_DIR)/src.ino.hex $@
 
 clean:
-	$(RM) build_calendar.* priv/build_calendar.*
+	$(RM) $(NIF)
+	rm -rf $(ARDUINO_BUILD_DIR) $(ARDUINO_CACHE_DIR)
+	rm -rf priv/*.hex

c_src/farmbot-arduino-firmware

@@ -0,0 +1 @@
+Subproject commit 70dc10e8c5c560ca75f846816364ce04a78a3379