ARDUINO_LIBRARIES := ArduinoJson6 HWCONFIG := spiffs-2m # Use to store files in a FlashString map object instead of SPIFFS CONFIG_VARS += ENABLE_FLASHSTRING_MAP ENABLE_FLASHSTRING_MAP ?= 0 ifeq ($(ENABLE_FLASHSTRING_MAP),1) COMPONENT_CXXFLAGS += -DENABLE_FLASHSTRING_MAP=1 endif