2022-05-26 20:53:36 +08:00
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TARGET = firmware
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ROOT ?= $(realpath $(CURDIR)/../../..)
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2022-08-11 19:11:50 +08:00
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D ?= docker
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DOCKER ?= $(D) run --rm -v $(ROOT):$(ROOT) -w $(CURDIR) mdashnet/armgcc
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2022-05-26 20:53:36 +08:00
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CROSS ?= arm-none-eabi
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CFLAGS ?= -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion \
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-Wformat-truncation -fno-common -Wconversion \
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-g3 -Os -ffunction-sections -fdata-sections \
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-I. -I$(ROOT) -DMG_ARCH=MG_ARCH_NEWLIB -DMIP_DEBUG=1 \
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-DMG_ENABLE_CUSTOM_MILLIS=1 -DMG_ENABLE_LINES=1 -DMG_ENABLE_MIP=1 \
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2022-08-11 19:11:50 +08:00
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-mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=auto $(EXTRA_CFLAGS)
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2022-06-29 07:00:16 +08:00
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LDFLAGS ?= -Tlink.ld -nostartfiles -nostdlib --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
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2022-06-12 00:29:45 +08:00
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SOURCES = boot.c main.c syscalls.c $(ROOT)/mongoose.c
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2022-05-26 20:53:36 +08:00
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2022-06-01 01:23:32 +08:00
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all build example: $(TARGET).bin
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2022-05-26 20:53:36 +08:00
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$(TARGET).bin: $(TARGET).elf
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$(DOCKER) $(CROSS)-objcopy -O binary $< $@
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$(TARGET).elf: $(SOURCES) mcu.h
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$(DOCKER) $(CROSS)-gcc $(SOURCES) $(CFLAGS) $(LDFLAGS) -o $@
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2022-06-29 07:00:16 +08:00
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# Build on Windows. Download Win32 Zip from ARM GCC downloads, unzip to c:\armgcc
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ARMGCC ?= c:/armgcc
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windows: $(TARGET).bin
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windows: CROSS = $(ARMGCC)/bin/arm-none-eabi
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windows: DOCKER =
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2022-05-26 20:53:36 +08:00
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# Build an interactive device dashboard
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dash: $(TARGET).elf
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dash: CFLAGS += -DDASH -DMG_ENABLE_PACKED_FS=1
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dash: SOURCES += $(ROOT)/examples/device-dashboard/packed_fs.c $(ROOT)/examples/device-dashboard/web.c
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# Show top 10 stack-hungry functions
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su: CFLAGS += -fstack-usage
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su: $(TARGET).elf
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cat *.su | sort -rnk2 | head -10
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# Note: on "unknown chip id" flash error, wire BOOT0 to VDD and st-flash erase
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flash: $(TARGET).bin
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st-flash --reset write $(TARGET).bin 0x8000000
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clean:
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@rm -rf $(TARGET).* *.su
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