65 lines
2.6 KiB
Makefile
65 lines
2.6 KiB
Makefile
# Component support for esptool.py. Doesn't do much by itself,
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# components have their own flash targets that can use these variables.
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ESPPORT ?= $(CONFIG_ESPTOOLPY_PORT)
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ESPBAUD ?= $(CONFIG_ESPTOOLPY_BAUD)
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ESPFLASHMODE ?= $(CONFIG_ESPTOOLPY_FLASHMODE)
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ESPFLASHFREQ ?= $(CONFIG_ESPTOOLPY_FLASHFREQ)
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ESPFLASHSIZE ?= $(CONFIG_ESPTOOLPY_FLASHSIZE)
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PYTHON ?= $(call dequote,$(CONFIG_PYTHON))
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# two commands that can be used from other components
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# to invoke esptool.py (with or without serial port args)
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#
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ESPTOOLPY_SRC := $(COMPONENT_PATH)/esptool/esptool.py
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ESPTOOLPY := $(PYTHON) $(ESPTOOLPY_SRC) --chip esp32
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ESPTOOLPY_SERIAL := $(ESPTOOLPY) --port $(ESPPORT) --baud $(ESPBAUD)
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# Supporting esptool command line tools
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ESPEFUSEPY := $(PYTHON) $(COMPONENT_PATH)/esptool/espefuse.py
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ESPSECUREPY := $(PYTHON) $(COMPONENT_PATH)/esptool/espsecure.py
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export ESPSECUREPY # is used in bootloader_support component
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ESPTOOL_FLASH_OPTIONS := --flash_mode $(ESPFLASHMODE) --flash_freq $(ESPFLASHFREQ) --flash_size $(ESPFLASHSIZE)
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ESPTOOL_ELF2IMAGE_OPTIONS :=
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ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z) $(ESPTOOL_FLASH_OPTIONS)
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ESPTOOL_ALL_FLASH_ARGS += $(CONFIG_APP_OFFSET) $(APP_BIN)
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ifdef CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES
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ifndef IS_BOOTLOADER_BUILD
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# for locally signed secure boot image, add a signing step to get from unsigned app to signed app
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APP_BIN_UNSIGNED := $(APP_BIN:.bin=-unsigned.bin)
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$(APP_BIN): $(APP_BIN_UNSIGNED) $(SECURE_BOOT_SIGNING_KEY) $(SDKCONFIG_MAKEFILE)
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$(ESPSECUREPY) sign_data --keyfile $(SECURE_BOOT_SIGNING_KEY) -o $@ $<
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endif
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endif
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# non-secure boot (or bootloader), both these files are the same
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APP_BIN_UNSIGNED ?= $(APP_BIN)
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$(APP_BIN_UNSIGNED): $(APP_ELF) $(ESPTOOLPY_SRC)
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$(ESPTOOLPY) elf2image $(ESPTOOL_FLASH_OPTIONS) $(ESPTOOL_ELF2IMAGE_OPTIONS) -o $@ $<
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flash: all_binaries $(ESPTOOLPY_SRC) $(call prereq_if_explicit,erase_flash)
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@echo "Flashing binaries to serial port $(ESPPORT) (app at offset $(CONFIG_APP_OFFSET))..."
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ifdef CONFIG_SECURE_BOOT_ENABLED
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@echo "(Secure boot enabled, so bootloader not flashed automatically. See 'make bootloader' output)"
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endif
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$(ESPTOOLPY_WRITE_FLASH) $(ESPTOOL_ALL_FLASH_ARGS)
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app-flash: $(APP_BIN) $(ESPTOOLPY_SRC) $(call prereq_if_explicit,erase_flash)
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@echo "Flashing app to serial port $(ESPPORT), offset $(CONFIG_APP_OFFSET)..."
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$(ESPTOOLPY_WRITE_FLASH) $(CONFIG_APP_OFFSET) $(APP_BIN)
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# Submodules normally added in component.mk, but can be added
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# at the project level as long as qualified path
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COMPONENT_SUBMODULES += $(COMPONENT_PATH)/esptool
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erase_flash:
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@echo "Erasing entire flash..."
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$(ESPTOOLPY_SERIAL) erase_flash
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.PHONY: erase_flash
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