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74 lines
3.2 KiB
Makefile
74 lines
3.2 KiB
Makefile
# Environment setup: https://mongoose.ws/documentation/tutorials/tools/
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MGDIR = ../../../..
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SDK = silabs_sdk/platform
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RAIL = $(SDK)/radio/rail_lib
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CFLAGS = -W -Wall -Wextra -Werror -Wshadow # No -Wundef: RAIL headers
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CFLAGS += -Wformat-truncation -fno-common -Wno-conversion -Wno-sign-conversion
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CFLAGS += -g3 -Os -ffunction-sections -fdata-sections
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CFLAGS += -I. -I$(MGDIR) -Icmsis_core/CMSIS/Core/Include
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CFLAGS += -I$(SDK)/Device/SiliconLabs/EFR32MG24/Include -I$(SDK)/common/inc
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CFLAGS += -I$(RAIL)/common -I$(RAIL)/protocol/ieee802154
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CFLAGS += -I$(RAIL)/chip/efr32/efr32xg2x
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CFLAGS += -DEFR32MG24B220F1536IM48
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CFLAGS += -D__START=main # For startup_efr32mg24.c
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CFLAGS += -mcpu=cortex-m33 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 -mcmse
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CFLAGS += $(CFLAGS_EXTRA)
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LDFLAGS ?= -Tlink.ld -nostdlib -nostartfiles --specs=nano.specs -lc -lm -lgcc -Wl,--gc-sections
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SOURCES = main.c hal.c $(MGDIR)/mongoose.c
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SOURCES += $(MGDIR)/tutorials/mqtt/mqtt-client/mongoose_mqtt.c
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SOURCES += $(SDK)/Device/SiliconLabs/EFR32MG24/Source/startup_efr32mg24.c
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SOURCES += $(SDK)/Device/SiliconLabs/EFR32MG24/Source/system_efr32mg24.c
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# RAIL radio library, a binary blob. Simplicity SDK keeps it in Git LFS,
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# served by Silicon Labs. The oid is the file's sha256, see the LFS pointer
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# platform/radio/rail_lib/autogen/librail_release/librail_efr32xg24_gcc_release.a
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SDK_VERSION = v2025.6.3
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LIBRAIL = librail_efr32xg24_gcc_release.a
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LIBRAIL_SHA256 = 381b123649b66e9e3bbe6d1363c31ee0457b3274207b837ea49685a3a0a2c387
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LIBRAIL_URL = https://artifacts.silabs.net/api/lfs/gsdk/object/$(LIBRAIL_SHA256)
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all build: firmware.bin
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firmware.bin: firmware.elf
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arm-none-eabi-objcopy -O binary $< $@
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arm-none-eabi-size --format=berkeley $<
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firmware.elf: cmsis_core silabs_sdk $(LIBRAIL) $(SOURCES) $(wildcard *.h) $(MGDIR)/mongoose.h link.ld Makefile mesh-config
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arm-none-eabi-gcc $(SOURCES) $(LIBRAIL) $(CFLAGS) $(LDFLAGS) -o $@
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# Rebuild when overriding the board address or timing.
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.PHONY: mesh-config
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mesh-config:
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cmsis_core:
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git clone -q -c advice.detachedHead=false --depth 1 -b 5.9.0 https://github.com/ARM-software/CMSIS_5 $@
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# Device headers, startup code and RAIL headers from Simplicity SDK
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silabs_sdk:
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GIT_LFS_SKIP_SMUDGE=1 git clone -q -c advice.detachedHead=false --depth 1 -b $(SDK_VERSION) --filter=blob:none --no-checkout https://github.com/SiliconLabs/simplicity_sdk $@
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cd $@ && git sparse-checkout set --no-cone /platform/Device/SiliconLabs/EFR32MG24/ /platform/common/inc/ /platform/radio/rail_lib/common/ /platform/radio/rail_lib/protocol/ieee802154/ /platform/radio/rail_lib/chip/efr32/efr32xg2x/
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cd $@ && GIT_LFS_SKIP_SMUDGE=1 git checkout -q
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$(LIBRAIL):
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curl -sfL $(LIBRAIL_URL) -o $@.tmp
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echo "$(LIBRAIL_SHA256) $@.tmp" | shasum -a 256 -c -s
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mv $@.tmp $@
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# Show all symbols sorted by size
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show_symbols_sorted_by_size: firmware.bin
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arm-none-eabi-readelf -sW firmware.elf | sed 1,3d | sed 's,^.*: ,,' | tr -s ' ' | cut -d ' ' -f 2,7 | sort -nk1 | grep -v '^0 '
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# Flash over the on-board CMSIS-DAP probe. pyocd needs the EFR32MG24 pack:
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# pyocd pack install efr32mg24b220f1536im48
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# With several probes attached, choose one: make flash PYOCD_FLAGS="-u ID"
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flash: firmware.bin
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pyocd flash -t efr32mg24b220f1536im48 $(PYOCD_FLAGS) firmware.elf
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clean:
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rm -rf firmware.* cmsis_* silabs_* librail_*
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