circuitpython/nrf5/Makefile

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# Select the board to build for: if not given on the command line,
# then default to pca10040.
BOARD ?= pca10040
ifeq ($(wildcard boards/$(BOARD)/.),)
$(error Invalid BOARD specified)
endif
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
$(error Undefined $1$(if $2, ($2))))
# If SoftDevice is selected, try to use that one.
SD ?=
SD_LOWER = $(shell echo $(SD) | tr '[:upper:]' '[:lower:]')
# TODO: Verify that it is a valid target.
ifeq ($(SD), )
# If the build directory is not given, make it reflect the board name.
BUILD ?= build-$(BOARD)
include ../py/mkenv.mk
include boards/$(BOARD)/mpconfigboard.mk
else
$(call check_defined, SDK_ROOT, path to SDK containing softdevice)
# If the build directory is not given, make it reflect the board name.
BUILD ?= build-$(BOARD)-$(SD_LOWER)
include ../py/mkenv.mk
include boards/$(BOARD)/mpconfigboard_$(SD_LOWER).mk
include sdk/sdk_common.mk
endif
# qstr definitions (must come before including py.mk)
QSTR_DEFS = qstrdefsport.h $(BUILD)/pins_qstr.h
FROZEN_MPY_DIR = modules
# include py core make definitions
include ../py/py.mk
FATFS_DIR = lib/fatfs
MPY_CROSS = ../mpy-cross/mpy-cross
MPY_TOOL = ../tools/mpy-tool.py
CROSS_COMPILE = arm-none-eabi-
MCU_VARIANT_UPPER = $(shell echo $(MCU_VARIANT) | tr '[:lower:]' '[:upper:]')
INC += -I.
INC += -I..
INC += -I$(BUILD)
INC += -I./device
INC += -I./../lib/cmsis/inc
INC += -I./device
INC += -I./device/$(MCU_VARIANT)
INC += -I./hal
INC += -I./hal/$(MCU_VARIANT)
INC += -I./drivers
INC += -I../lib/mp-readline
NRF_DEFINES = -D$(MCU_VARIANT_UPPER)
NRF_DEFINES += -DCONFIG_GPIO_AS_PINRESET
CFLAGS_CORTEX_M = -mthumb -mabi=aapcs -fsingle-precision-constant -Wdouble-promotion
CFLAGS_MCU_m4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections
CFLAGS_MCU_m0 = $(CFLAGS_CORTEX_M) --short-enums -mtune=cortex-m0 -mcpu=cortex-m0 -mfloat-abi=soft -fno-builtin
CFLAGS += $(CFLAGS_MCU_$(MCU_SERIES))
CFLAGS += $(INC) -Wall -Werror -ansi -std=gnu99 -nostdlib $(COPT) $(NRF_DEFINES)
CFLAGS += -fno-strict-aliasing
CFLAGS += -Iboards/$(BOARD)
CFLAGS += -DNRF5_HAL_H='<$(MCU_VARIANT)_hal.h>'
CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool
CFLAGS += -DMICROPY_MODULE_FROZEN_MPY
LDFLAGS = $(CFLAGS)
LDFLAGS += -Xlinker -Map=$(@:.elf=.map)
LDFLAGS += -mthumb -mabi=aapcs -T $(LD_FILE) -L boards/
#Debugging/Optimization
ifeq ($(DEBUG), 1)
#ASMFLAGS += -g -gtabs+
CFLAGS += -O0 -ggdb
LDFLAGS += -O0
else
CFLAGS += -Os -DNDEBUG
LDFLAGS += -Os
endif
LIBS += \
SRC_LIB = $(addprefix lib/,\
libc/string0.c \
mp-readline/readline.c \
utils/pyexec.c \
utils/pyhelp.c \
timeutils/timeutils.c \
fatfs/ff.c \
fatfs/option/ccsbcs.c \
netutils/netutils.c \
)
SRC_HAL = $(addprefix hal/,\
hal_uart.c \
hal_uarte.c \
hal_spi.c \
hal_spie.c \
hal_time.c \
hal_rtc.c \
hal_timer.c \
)
ifeq ($(MCU_VARIANT), nrf52)
SRC_HAL += $(addprefix hal/,\
hal_pwm.c \
)
endif
SRC_C += \
main.c \
modpyb.c \
led.c \
mphalport.c \
uart.c \
spi.c \
pwm.c \
help.c \
gccollect.c \
pin_named_pins.c \
modmachine.c \
pin.c \
modutime.c \
moduos.c \
fatfs_port.c \
builtin_open.c \
lexerfatfs.c \
modusocket.c \
modnetwork.c \
timer.c \
rtc.c \
#ifeq ($(SD), )
SRC_C += \
device/$(MCU_VARIANT)/system_$(MCU_VARIANT).c \
SRC_S = \
device/$(MCU_VARIANT)/startup_$(MCU_VARIANT).s \
#endif
FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py')
FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
OBJ += $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o) $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_LIB:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_HAL:.c=.o))
OBJ += $(BUILD)/pins_gen.o
OBJ += $(BUILD)/$(BUILD)/frozen_mpy.o
$(BUILD)/$(FATFS_DIR)/ff.o: COPT += -Os
$(filter $(PY_BUILD)/../extmod/vfs_fat_%.o, $(PY_O)): COPT += -Os
.phony: all flash sd
all: $(BUILD)/firmware.elf binary hex
flash: $(BUILD)/firmware.elf
nrfjprog --program $(BUILD)/firmware.hex --sectorerase -f $(MCU_VARIANT)
nrfjprog --pinreset -f $(MCU_VARIANT)
sd:
nrfjprog --eraseall -f $(MCU_VARIANT)
nrfjprog --program $(SOFTDEV_HEX) -f $(MCU_VARIANT)
nrfjprog --program $(BUILD)/firmware.hex --sectorerase -f $(MCU_VARIANT)
nrfjprog --pinreset -f $(MCU_VARIANT)
$(BUILD)/firmware.elf: $(OBJ)
$(ECHO) "LINK $@"
$(Q)$(CC) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)
$(Q)$(SIZE) $@
# List of sources for qstr extraction
SRC_QSTR += $(SRC_C) $(SRC_MOD) $(SRC_LIB)
# Append any auto-generated sources that are needed by sources listed in
# SRC_QSTR
SRC_QSTR_AUTO_DEPS +=
# Making OBJ use an order-only depenedency on the generated pins.h file
# has the side effect of making the pins.h file before we actually compile
# any of the objects. The normal dependency generation will deal with the
# case when pins.h is modified. But when it doesn't exist, we don't know
# which source files might need it.
$(OBJ): | $(HEADER_BUILD)/pins.h
# Use a pattern rule here so that make will only call make-pins.py once to make
# both pins_$(BOARD).c and pins.h
$(BUILD)/%_$(BOARD).c $(HEADER_BUILD)/%.h $(HEADER_BUILD)/%_af_const.h $(BUILD)/%_qstr.h: boards/$(BOARD)/%.csv $(MAKE_PINS) $(AF_FILE) $(PREFIX_FILE) | $(HEADER_BUILD)
$(ECHO) "Create $@"
$(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) --qstr $(GEN_PINS_QSTR) --af-const $(GEN_PINS_AF_CONST) --af-py $(GEN_PINS_AF_PY) > $(GEN_PINS_SRC)
$(BUILD)/pins_gen.o: $(BUILD)/pins_gen.c
$(call compile_c)
MAKE_PINS = boards/make-pins.py
BOARD_PINS = boards/$(BOARD)/pins.csv
AF_FILE = $(MCU_VARIANT)_af.csv
PREFIX_FILE = boards/$(MCU_VARIANT)_prefix.c
GEN_PINS_SRC = $(BUILD)/pins_gen.c
GEN_PINS_HDR = $(HEADER_BUILD)/pins.h
GEN_PINS_QSTR = $(BUILD)/pins_qstr.h
GEN_PINS_AF_CONST = $(HEADER_BUILD)/pins_af_const.h
GEN_PINS_AF_PY = $(BUILD)/pins_af.py
# to build .mpy files from .py files
$(BUILD)/$(FROZEN_MPY_DIR)/%.mpy: $(FROZEN_MPY_DIR)/%.py
@$(ECHO) "MPY $<"
$(Q)$(MKDIR) -p $(dir $@)
$(Q)$(MPY_CROSS) -o $@ -s $(^:$(FROZEN_MPY_DIR)/%=%) $^
# to build frozen_mpy.c from all .mpy files
$(BUILD)/frozen_mpy.c: $(FROZEN_MPY_MPY_FILES) $(BUILD)/genhdr/qstrdefs.generated.h
@$(ECHO) "Creating $@"
$(Q)$(PYTHON) $(MPY_TOOL) -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h -mlongint-impl mpz $(FROZEN_MPY_MPY_FILES) > $@
include ../py/mkrules.mk
include mkrules.mk