# MicroPython on ESP32, ESP IDF configuration with SPIRAM support CONFIG_SPIRAM=y CONFIG_SPIRAM_CACHE_WORKAROUND=y CONFIG_SPIRAM_IGNORE_NOTFOUND=y CONFIG_SPIRAM_USE_MALLOC=y # This is the threshold for preferring small allocations from internal memory # first, before failing over to PSRAM. CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=8192 # SPIRAM increases the size of the firmware and overflows iram0_0_seg, due # to PSRAM bug workarounds. Apply some options to reduce the firmware size. CONFIG_COMPILER_OPTIMIZATION_SIZE=y CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y # CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y # Workaround required: see main_esp32/linker.lf CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y