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[esp32] Place ring buffer functions in flash by default (prep for IDF 6.0) (#12184)

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This commit is contained in:
J. Nick Koston
2025-12-01 21:57:41 -06:00
committed by GitHub
parent c45cd44bb8
commit 82a06c697e
1 changed files with 13 additions and 0 deletions
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13
esphome/components/esp32/__init__.py
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@@ -585,6 +585,7 @@ CONF_DISABLE_VFS_SUPPORT_TERMIOS = "disable_vfs_support_termios"
CONF_DISABLE_VFS_SUPPORT_SELECT = "disable_vfs_support_select"
CONF_DISABLE_VFS_SUPPORT_DIR = "disable_vfs_support_dir"
CONF_FREERTOS_IN_IRAM = "freertos_in_iram"
CONF_RINGBUF_IN_IRAM = "ringbuf_in_iram"
CONF_LOOP_TASK_STACK_SIZE = "loop_task_stack_size"
# VFS requirement tracking
@@ -679,6 +680,7 @@ FRAMEWORK_SCHEMA = cv.Schema(
cv.Optional(CONF_DISABLE_VFS_SUPPORT_SELECT, default=True): cv.boolean,
cv.Optional(CONF_DISABLE_VFS_SUPPORT_DIR, default=True): cv.boolean,
cv.Optional(CONF_FREERTOS_IN_IRAM, default=False): cv.boolean,
cv.Optional(CONF_RINGBUF_IN_IRAM, default=False): cv.boolean,
cv.Optional(CONF_EXECUTE_FROM_PSRAM, default=False): cv.boolean,
cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
min=8192, max=32768
@@ -1021,6 +1023,17 @@ async def to_code(config):
# IDF 6.0+: this is the default, option no longer exists
add_idf_sdkconfig_option("CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH", True)
# Place ring buffer functions into flash instead of IRAM by default
# This saves IRAM. In ESP-IDF 6.0 flash placement becomes the default.
# Users can set ringbuf_in_iram: true as an escape hatch if they encounter issues.
if conf[CONF_ADVANCED][CONF_RINGBUF_IN_IRAM]:
# User requests ring buffer in IRAM
# IDF 6.0+: will need CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=n
add_idf_sdkconfig_option("CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH", False)
else:
# Place in flash to save IRAM (default)
add_idf_sdkconfig_option("CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH", True)
# Setup watchdog
add_idf_sdkconfig_option("CONFIG_ESP_TASK_WDT", True)
add_idf_sdkconfig_option("CONFIG_ESP_TASK_WDT_PANIC", True)