Makefile

#
# This is the main Makefile, which uses MicroPython build system,
# but Zephyr arch-specific toolchain and target-specific flags.
# This Makefile builds MicroPython as a library, and then calls
# recursively Makefile.zephyr to build complete application binary
# using Zephyr build system.
#
BOARD ?= degu_evk
CMAKE_BUILD_TYPE ?= MinSizeRel
CONF_FILE = prj_$(BOARD)_merged.conf
OUTDIR_PREFIX = $(BOARD)

# Default heap size is 16KB, which is on conservative side, to let
# it build for smaller boards, but it won't be enough for larger
# applications, and will need to be increased.
MICROPY_HEAP_SIZE = 32768
FROZEN_DIR = scripts

# Default target
all:

include micropython/py/mkenv.mk
include $(TOP)/py/py.mk

# Zephyr (generated) config files - must be defined before include below
Z_EXPORTS = outdir/$(OUTDIR_PREFIX)/Makefile.export
ifneq ($(MAKECMDGOALS), clean)
include $(Z_EXPORTS)
endif

INC += -I.
INC += -I$(TOP)
INC += -I$(BUILD)
INC += -I$(ZEPHYR_BASE)/net/ip
INC += -I$(ZEPHYR_BASE)/net/ip/contiki
INC += -I$(ZEPHYR_BASE)/net/ip/contiki/os
INC += -I$(PWD)/modules/crypto/mbedtls/include
INC += -I$(PWD)/modules/fs/fatfs/include

SRC_C = main.c \
	degu_utils.c \
	degu_ota.c \
	degu_pm.c \
	zcoap.c \
	help.c \
	modusocket.c \
	modutime.c \
	modzephyr.c \
	modzsensor.c \
	modmachine.c \
	moddegu.c \
	machine_i2c.c \
	machine_adc.c \
	machine_pin.c \
	machine_uart.c \
	uart_core.c \
	lib/utils/stdout_helpers.c \
	lib/utils/printf.c \
	lib/utils/pyexec.c \
	lib/utils/interrupt_char.c \
	lib/mp-readline/readline.c \
	$(SRC_MOD)

# List of sources for qstr extraction
SRC_QSTR += $(SRC_C)

OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))

CFLAGS = $(Z_CFLAGS) \
	 -std=gnu99 -D_ISOC99_SOURCE -fomit-frame-pointer -DNDEBUG -DMICROPY_HEAP_SIZE=$(MICROPY_HEAP_SIZE) $(CFLAGS_EXTRA) $(INC)

include $(TOP)/py/mkrules.mk

GENERIC_TARGETS = all zephyr run qemu qemugdb flash debug debugserver
KCONFIG_TARGETS = \
	initconfig config nconfig menuconfig xconfig gconfig \
	oldconfig silentoldconfig defconfig savedefconfig \
	allnoconfig allyesconfig alldefconfig randconfig \
	listnewconfig olddefconfig
CLEAN_TARGETS = pristine mrproper

$(GENERIC_TARGETS): $(LIBMICROPYTHON)
$(CLEAN_TARGETS):  clean

$(GENERIC_TARGETS) $(KCONFIG_TARGETS) $(CLEAN_TARGETS):
	$(MAKE) -j -C outdir/$(BOARD) $@

$(LIBMICROPYTHON): | $(Z_EXPORTS)
build/genhdr/qstr.i.last: | $(Z_EXPORTS)

# If we recreate libmicropython, also cause zephyr.bin relink
LIBMICROPYTHON_EXTRA_CMD = -$(RM) -f outdir/$(OUTDIR_PREFIX)/zephyr.lnk

# MicroPython's global clean cleans everything, fast
CLEAN_EXTRA = outdir libmicropython.a prj_*_merged.conf degu.bin

# Clean Zephyr things in Zephyr way
z_clean:
	$(MAKE) -f Makefile.zephyr BOARD=$(BOARD) clean

# This rule is for prj_$(BOARD)_merged.conf, not $(CONF_FILE), which
# can be overriden.
# prj_$(BOARD).conf is optional, that's why it's resolved with $(wildcard)
# function.
prj_$(BOARD)_merged.conf: prj_base.conf $(wildcard prj_$(BOARD).conf)
	$(PYTHON) makeprj.py prj_base.conf prj_$(BOARD).conf $@

cmake: outdir/$(BOARD)/Makefile


outdir/$(BOARD)/Makefile: $(CONF_FILE)
	$(info ${BUILD_TYPE})
	mkdir -p outdir/$(BOARD) && cmake -DBOARD=$(BOARD) -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DEXTERNAL_PROJECT_PATH_OPENTHREAD=$(EXTERNAL_PROJECT_PATH_OPENTHREAD) -DCONF_FILE=$(CONF_FILE) -Boutdir/$(BOARD) -H.

$(Z_EXPORTS): outdir/$(BOARD)/Makefile
	make --no-print-directory -C outdir/$(BOARD) outputexports CMAKE_COMMAND=: >$@
	make -C outdir/$(BOARD) syscall_macros_h_target syscall_list_h_target kobj_types_h_target

degu.bin: outdir/$(BOARD)/zephyr/zephyr.bin
	./tools/imgtool.py sign --key root-rsa-2048.pem --header-size 0x200 --align 8 --version 1.0 --slot-size 0x6e000 $< $@