#
# Generate partition binary
#
.PHONY: erase_ota blank_ota_data

GEN_EMPTY_PART := $(PYTHON) $(COMPONENT_PATH)/gen_empty_partition.py
BLANK_OTA_DATA_FILE = $(BUILD_DIR_BASE)/ota_data_initial.bin

# 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)

$(BLANK_OTA_DATA_FILE): partition_table_get_info
	$(GEN_EMPTY_PART) --size $(OTA_DATA_SIZE) $(BLANK_OTA_DATA_FILE)
	$(eval BLANK_OTA_DATA_FILE = $(shell if [ $(OTA_DATA_SIZE) != 0 ]; then echo $(BLANK_OTA_DATA_FILE); else echo " "; fi) )

blank_ota_data: $(BLANK_OTA_DATA_FILE)

erase_ota: partition_table_get_info
	@echo $(if $(OTA_DATA_OFFSET), "Erase ota_data [addr=$(OTA_DATA_OFFSET) size=$(OTA_DATA_SIZE)] ...", $(error "ERROR: Partition table does not have ota_data partition."))
	$(ESPTOOLPY_SERIAL) erase_region $(OTA_DATA_OFFSET) $(OTA_DATA_SIZE)

all: blank_ota_data
flash: blank_ota_data

clean:
	rm -f $(BLANK_OTA_DATA_FILE)