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micropython/ports/esp32/boards/sdkconfig.spiram
Damien George 0f49a1d240 esp32: Update to use ESP-IDF v5.5.1.
Tested with ESP32_GENERIC, ESP32_GENERIC_C3, ESP32_GENERIC_C6 and
ESP32_GENERIC_S3 firmware, using the full test suite.  There do not seem to
be any regressions.

Signed-off-by: Damien George <damien@micropython.org>
2025-10-17 12:33:02 +11:00

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# 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
CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
# Workaround for bug in IDFv5.5-v5.5.1
# See https://github.com/espressif/esp-idf/issues/17436#issuecomment-3197206868
CONFIG_NEWLIB_NANO_FORMAT=n