esp-idf/components/app_update/Makefile.projbuild

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Makefile
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# Generate partition binary
#
.PHONY: blank_ota_data erase_otadata read_otadata
OTATOOL_PY := $(PYTHON) $(COMPONENT_PATH)/otatool.py
PARTTOOL_PY := $(PYTHON) $(IDF_PATH)/components/partition_table/parttool.py
# Generate blank partition file
BLANK_OTA_DATA_FILE = $(BUILD_DIR_BASE)/ota_data_initial.bin
# Copy PARTITION_TABLE_CSV_PATH definition here from $IDF_PATH/components/partition_table/Makefile.projbuild
# to avoid undefined variables warning for PARTITION_TABLE_CSV_PATH
ifndef PARTITION_TABLE_CSV_PATH
PARTITION_TABLE_ROOT := $(call dequote,$(if $(CONFIG_PARTITION_TABLE_CUSTOM),$(PROJECT_PATH),$(IDF_PATH)/components/partition_table))
PARTITION_TABLE_CSV_PATH := $(call dequote,$(abspath $(PARTITION_TABLE_ROOT)/$(call dequote,$(CONFIG_PARTITION_TABLE_FILENAME))))
endif
$(BLANK_OTA_DATA_FILE): partition_table_get_info $(PARTITION_TABLE_CSV_PATH) | check_python_dependencies
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$(shell if [ "$(OTA_DATA_OFFSET)" != "" ] && [ "$(OTA_DATA_SIZE)" != "" ]; then \
$(PYTHON) $(IDF_PATH)/components/partition_table/gen_empty_partition.py $(OTA_DATA_SIZE) $(BLANK_OTA_DATA_FILE); \
fi; )
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$(eval BLANK_OTA_DATA_FILE = $(shell if [ "$(OTA_DATA_OFFSET)" != "" ] && [ "$(OTA_DATA_SIZE)" != "" ]; then \
echo $(BLANK_OTA_DATA_FILE); else echo " "; fi) )
blank_ota_data: $(BLANK_OTA_DATA_FILE)
# If there is no otadata partition, both OTA_DATA_OFFSET and BLANK_OTA_DATA_FILE
# expand to empty values.
ESPTOOL_ALL_FLASH_ARGS += $(OTA_DATA_OFFSET) $(BLANK_OTA_DATA_FILE)
ESPTOOL_ARGS := --esptool-args port=$(CONFIG_ESPTOOLPY_PORT) baud=$(CONFIG_ESPTOOLPY_BAUD) before=$(CONFIG_ESPTOOLPY_BEFORE) after=$(CONFIG_ESPTOOLPY_AFTER)
erase_otadata: $(PARTITION_TABLE_CSV_PATH) partition_table_get_info | check_python_dependencies
$(OTATOOL_PY) $(ESPTOOL_ARGS) --partition-table-file $(PARTITION_TABLE_CSV_PATH) \
--partition-table-offset $(PARTITION_TABLE_OFFSET) \
erase_otadata
read_otadata: $(PARTITION_TABLE_CSV_PATH) partition_table_get_info | check_python_dependencies
$(OTATOOL_PY) $(ESPTOOL_ARGS) --partition-table-file $(PARTITION_TABLE_CSV_PATH) \
--partition-table-offset $(partition_table_offset) \
read_otadata
erase_ota: erase_otadata
@echo "WARNING: erase_ota is deprecated. Use erase_otadata instead."
all: blank_ota_data
flash: blank_ota_data
ifdef CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT
encrypted-flash: blank_ota_data
endif
TMP_DEFINES := $(BUILD_DIR_BASE)/app_update/tmp_cppflags.txt
export TMP_DEFINES
clean:
rm -f $(BLANK_OTA_DATA_FILE)
rm -f $(TMP_DEFINES)