TARGET = firmware ROOT ?= $(realpath $(CURDIR)/../../..) DOCKER ?= docker run --rm -v $(ROOT):$(ROOT) -w $(CURDIR) mdashnet/armgcc CROSS ?= arm-none-eabi CFLAGS ?= -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion \ -Wformat-truncation -fno-common -Wconversion \ -g3 -Os -ffunction-sections -fdata-sections \ -I. -I$(ROOT) -DMG_ARCH=MG_ARCH_NEWLIB -DMIP_DEBUG=1 \ -DMG_ENABLE_CUSTOM_MILLIS=1 -DMG_ENABLE_LINES=1 -DMG_ENABLE_MIP=1 \ -mcpu=cortex-m7 -mthumb -mfloat-abi=softfp -mfpu=vfpv4 $(EXTRA) LDFLAGS ?= -Tlink.ld -nostartfiles -nostdlib --specs nano.specs \ -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map SOURCES = boot.c main.c syscalls.c $(ROOT)/mongoose.c all build example: $(TARGET).bin $(TARGET).bin: $(TARGET).elf $(DOCKER) $(CROSS)-objcopy -O binary $< $@ $(TARGET).elf: $(SOURCES) mcu.h $(DOCKER) $(CROSS)-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@ # Build an interactive device dashboard dash: $(TARGET).elf dash: CFLAGS += -DDASH -DMG_ENABLE_PACKED_FS=1 dash: SOURCES += $(ROOT)/examples/device-dashboard/packed_fs.c $(ROOT)/examples/device-dashboard/web.c # Show top 10 stack-hungry functions su: CFLAGS += -fstack-usage su: $(TARGET).elf cat *.su | sort -rnk2 | head -10 # Note: on "unknown chip id" flash error, wire BOOT0 to VDD and st-flash erase flash: $(TARGET).bin st-flash --reset write $(TARGET).bin 0x8000000 clean: @rm -rf $(TARGET).* *.su