38 lines
1.6 KiB
Makefile
38 lines
1.6 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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# NB: esptool.py lives in the sdk/bin directory not the component directory
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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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ESPTOOL_FLASH_OPTIONS := --flash_mode $(ESPFLASHMODE) --flash_freq $(ESPFLASHFREQ) --flash_size $(ESPFLASHSIZE)
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# the no-stub argument is temporary until esptool.py fully supports compressed uploads
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ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z) $(ESPTOOL_FLASH_OPTIONS)
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ESPTOOL_ALL_FLASH_ARGS += $(CONFIG_APP_OFFSET) $(APP_BIN)
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$(APP_BIN): $(APP_ELF) $(ESPTOOLPY_SRC)
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$(Q) $(ESPTOOLPY) elf2image $(ESPTOOL_FLASH_OPTIONS) -o $@ $<
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flash: all_binaries $(ESPTOOLPY_SRC)
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@echo "Flashing binaries to serial port $(ESPPORT) (app at offset $(CONFIG_APP_OFFSET))..."
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$(Q) $(ESPTOOLPY_WRITE_FLASH) $(ESPTOOL_ALL_FLASH_ARGS)
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app-flash: $(APP_BIN) $(ESPTOOLPY_SRC)
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@echo "Flashing app to serial port $(ESPPORT), offset $(CONFIG_APP_OFFSET)..."
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$(Q) $(ESPTOOLPY_WRITE_FLASH) $(CONFIG_APP_OFFSET) $(APP_BIN)
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$(eval $(call SubmoduleCheck,$(ESPTOOLPY_SRC),$(COMPONENT_PATH)/esptool))
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