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Makefile
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PROJECT_NAME := spi_pca10056
TARGETS := nrf52840_xxaa
OUTPUT_DIRECTORY := _build
SDK_ROOT := ../sdk
PROJ_DIR := src
CONF_DIR := config
$(OUTPUT_DIRECTORY)/nrf52840_xxaa.out: \
LINKER_SCRIPT := spi_gcc_nrf52.ld
# Source files common to all targets
SRC_FILES += \
$(SDK_ROOT)/modules/nrfx/mdk/gcc_startup_nrf52840.S \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_backend_rtt.c \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_backend_serial.c \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_backend_uart.c \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_default_backends.c \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_frontend.c \
$(SDK_ROOT)/components/libraries/log/src/nrf_log_str_formatter.c \
$(SDK_ROOT)/components/boards/boards.c \
$(SDK_ROOT)/components/libraries/button/app_button.c \
$(SDK_ROOT)/components/libraries/util/app_error.c \
$(SDK_ROOT)/components/libraries/util/app_error_handler_gcc.c \
$(SDK_ROOT)/components/libraries/util/app_error_weak.c \
$(SDK_ROOT)/components/libraries/scheduler/app_scheduler.c \
$(SDK_ROOT)/components/libraries/timer/app_timer.c \
$(SDK_ROOT)/components/libraries/util/app_util_platform.c \
$(SDK_ROOT)/components/libraries/util/nrf_assert.c \
$(SDK_ROOT)/components/libraries/atomic/nrf_atomic.c \
$(SDK_ROOT)/components/libraries/balloc/nrf_balloc.c \
$(SDK_ROOT)/external/fprintf/nrf_fprintf.c \
$(SDK_ROOT)/external/fprintf/nrf_fprintf_format.c \
$(SDK_ROOT)/components/libraries/memobj/nrf_memobj.c \
$(SDK_ROOT)/components/libraries/ringbuf/nrf_ringbuf.c \
$(SDK_ROOT)/components/libraries/strerror/nrf_strerror.c \
$(SDK_ROOT)/integration/nrfx/legacy/nrf_drv_spi.c \
$(SDK_ROOT)/integration/nrfx/legacy/nrf_drv_uart.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_gpiote.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/prs/nrfx_prs.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_spi.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_spim.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_uart.c \
$(SDK_ROOT)/modules/nrfx/drivers/src/nrfx_uarte.c \
$(SDK_ROOT)/components/libraries/bsp/bsp.c \
$(SDK_ROOT)/external/segger_rtt/SEGGER_RTT.c \
$(SDK_ROOT)/external/segger_rtt/SEGGER_RTT_Syscalls_GCC.c \
$(SDK_ROOT)/external/segger_rtt/SEGGER_RTT_printf.c \
$(SDK_ROOT)/modules/nrfx/mdk/system_nrf52840.c \
$(SDK_ROOT)/external/thedotfactory_fonts/orkney8pts.c \
$(SDK_ROOT)/external/thedotfactory_fonts/orkney24pts.c \
$(SDK_ROOT)/components/libraries/gfx/nrf_gfx.c \
$(PROJ_DIR)/main.c \
$(PROJ_DIR)/paper.c \
# Include folders common to all targets
INC_FOLDERS += \
$(SDK_ROOT)/components \
$(SDK_ROOT)/modules/nrfx/mdk \
$(SDK_ROOT)/components/libraries/scheduler \
$(SDK_ROOT)/components/libraries/timer \
$(SDK_ROOT)/components/libraries/strerror \
$(SDK_ROOT)/components/toolchain/cmsis/include \
$(SDK_ROOT)/components/libraries/util \
$(SDK_ROOT)/components/libraries/balloc \
$(SDK_ROOT)/components/libraries/ringbuf \
$(SDK_ROOT)/modules/nrfx/hal \
$(SDK_ROOT)/components/libraries/bsp \
$(SDK_ROOT)/components/libraries/log \
$(SDK_ROOT)/components/libraries/button \
$(SDK_ROOT)/modules/nrfx \
$(SDK_ROOT)/components/libraries/experimental_section_vars \
$(SDK_ROOT)/integration/nrfx/legacy \
$(SDK_ROOT)/components/libraries/delay \
$(SDK_ROOT)/integration/nrfx \
$(SDK_ROOT)/components/drivers_nrf/nrf_soc_nosd \
$(SDK_ROOT)/external/segger_rtt \
$(SDK_ROOT)/components/boards \
$(SDK_ROOT)/components/libraries/memobj \
$(SDK_ROOT)/modules/nrfx/drivers/include \
$(SDK_ROOT)/components/libraries/log/src \
$(SDK_ROOT)/external/fprintf \
$(SDK_ROOT)/components/libraries/atomic \
$(SDK_ROOT)/components/libraries/gfx \
$(SDK_ROOT)/external/thedotfactory_fonts \
$(CONF_DIR) \
# Libraries common to all targets
LIB_FILES += \
# Optimization flags
OPT = -O3 -g3
# Uncomment the line below to enable link time optimization
#OPT += -flto
# C flags common to all targets
CFLAGS += $(OPT)
CFLAGS += -DBOARD_PCA10056
CFLAGS += -DCONFIG_GPIO_AS_PINRESET
CFLAGS += -DFLOAT_ABI_HARD
CFLAGS += -DNRF52840_XXAA
CFLAGS += -DSWI_DISABLE0
CFLAGS += -mcpu=cortex-m4
CFLAGS += -mthumb -mabi=aapcs
CFLAGS += -Wall -Werror
CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
# keep every function in a separate section, this allows linker to discard unused ones
CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
CFLAGS += -fno-builtin -fshort-enums
# C++ flags common to all targets
CXXFLAGS += $(OPT)
# Assembler flags common to all targets
ASMFLAGS += -g3
ASMFLAGS += -mcpu=cortex-m4
ASMFLAGS += -mthumb -mabi=aapcs
ASMFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
ASMFLAGS += -DBOARD_PCA10056
ASMFLAGS += -DCONFIG_GPIO_AS_PINRESET
ASMFLAGS += -DFLOAT_ABI_HARD
ASMFLAGS += -DNRF52840_XXAA
ASMFLAGS += -DSWI_DISABLE0
# Linker flags
LDFLAGS += $(OPT)
LDFLAGS += -mthumb -mabi=aapcs -L$(SDK_ROOT)/modules/nrfx/mdk -T$(LINKER_SCRIPT)
LDFLAGS += -mcpu=cortex-m4
LDFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
# let linker dump unused sections
LDFLAGS += -Wl,--gc-sections
# use newlib in nano version
LDFLAGS += --specs=nano.specs
nrf52840_xxaa: CFLAGS += -D__HEAP_SIZE=8192
nrf52840_xxaa: CFLAGS += -D__STACK_SIZE=8192
nrf52840_xxaa: ASMFLAGS += -D__HEAP_SIZE=8192
nrf52840_xxaa: ASMFLAGS += -D__STACK_SIZE=8192
# Add standard libraries at the very end of the linker input, after all objects
# that may need symbols provided by these libraries.
LIB_FILES += -lc -lnosys -lm
.PHONY: default help
# Default target - first one defined
default: nrf52840_xxaa
# Print all targets that can be built
help:
@echo following targets are available:
@echo nrf52840_xxaa
@echo sdk_config - starting external tool for editing sdk_config.h
@echo flash - flashing binary
TEMPLATE_PATH := $(SDK_ROOT)/components/toolchain/gcc
include $(TEMPLATE_PATH)/Makefile.common
$(foreach target, $(TARGETS), $(call define_target, $(target)))
.PHONY: flash erase
# Flash the program
flash: default
@echo Flashing: $(OUTPUT_DIRECTORY)/nrf52840_xxaa.hex
nrfjprog -f nrf52 --program $(OUTPUT_DIRECTORY)/nrf52840_xxaa.hex --sectorerase
nrfjprog -f nrf52 --reset
erase:
nrfjprog -f nrf52 --eraseall
SDK_CONFIG_FILE := ../config/sdk_config.h
CMSIS_CONFIG_TOOL := $(SDK_ROOT)/external_tools/cmsisconfig/CMSIS_Configuration_Wizard.jar
sdk_config:
java -jar $(CMSIS_CONFIG_TOOL) $(SDK_CONFIG_FILE)