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

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This commit is contained in:
J. Nick Koston
2025-11-29 03:18:39 -06:00
parent 22de35b202
commit b44abfce57
1 changed files with 7 additions and 2 deletions
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9
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
@@ -693,6 +694,7 @@ 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
@@ -1038,9 +1040,12 @@ async def to_code(config):
# Place ring buffer functions into flash instead of IRAM by default
# This saves IRAM but may impact performance for audio/voice components.
# Components that need ring buffer in IRAM call enable_ringbuf_in_iram().
# Users can also set ringbuf_in_iram: true to force IRAM placement.
# In ESP-IDF 6.0 flash placement becomes the default.
if CORE.data.get(KEY_RINGBUF_IN_IRAM, False):
# Component requires ring buffer in IRAM for performance
if conf[CONF_ADVANCED][CONF_RINGBUF_IN_IRAM] or CORE.data.get(
KEY_RINGBUF_IN_IRAM, False
):
# User config or component requires ring buffer in IRAM for performance
# 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: