# Component support for esptool.py. Doesn't do much by itself,
# components have their own flash targets that can use these variables.
ESPPORT ?= $(CONFIG_ESPTOOLPY_PORT)
ESPBAUD ?= $(CONFIG_ESPTOOLPY_BAUD)

PYTHON ?= $(call dequote,$(CONFIG_PYTHON))

# two commands that can be used from other components
# to invoke esptool.py (with or without serial port args)
#
# NB: esptool.py lives in the sdk/bin directory not the component directory
ESPTOOLPY := $(PYTHON) $(COMPONENT_PATH)/esptool/esptool.py --chip esp32
ESPTOOLPY_SERIAL := $(ESPTOOLPY) --port $(ESPPORT) --baud $(ESPBAUD)

# the no-stub argument is temporary until esptool.py fully supports compressed uploads
ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) $(if $(CONFIG_ESPTOOLPY_COMPRESSED),--no-stub) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z)

ESPTOOL_ALL_FLASH_ARGS += $(CONFIG_APP_OFFSET) $(APP_BIN)

$(APP_BIN): $(APP_ELF)
	$(Q) $(ESPTOOLPY) elf2image -o $@ $<

flash: all_binaries
	@echo "Flashing project app to $(CONFIG_APP_OFFSET)..."
	$(Q) $(ESPTOOLPY_WRITE_FLASH) $(ESPTOOL_ALL_FLASH_ARGS)

app-flash: $(APP_BIN)
	$(Q) $(ESPTOOLPY_WRITE_FLASH) $(CONFIG_APP_OFFSET) $(APP_BIN)