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Code Issues Releases Wiki Activity

Add LWIP optimization options to reduce flash usage (#8946)

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Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
J. Nick Koston
2025-06-09 01:08:10 -05:00
committed by GitHub
parent 368a0eea8a
commit b7ca6e087a
3 changed files with 67 additions and 5 deletions
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40
esphome/components/esp32/__init__.py
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@@ -558,6 +558,10 @@ ARDUINO_FRAMEWORK_SCHEMA = cv.All(
)
CONF_SDKCONFIG_OPTIONS = "sdkconfig_options"
CONF_ENABLE_LWIP_DHCP_SERVER = "enable_lwip_dhcp_server"
CONF_ENABLE_LWIP_MDNS_QUERIES = "enable_lwip_mdns_queries"
CONF_ENABLE_LWIP_BRIDGE_INTERFACE = "enable_lwip_bridge_interface"
ESP_IDF_FRAMEWORK_SCHEMA = cv.All(
cv.Schema(
{
@@ -582,6 +586,18 @@ ESP_IDF_FRAMEWORK_SCHEMA = cv.All(
CONF_IGNORE_EFUSE_CUSTOM_MAC, default=False
): cv.boolean,
cv.Optional(CONF_IGNORE_EFUSE_MAC_CRC): cv.boolean,
# DHCP server is needed for WiFi AP mode. When WiFi component is used,
# it will handle disabling DHCP server when AP is not configured.
# Default to false (disabled) when WiFi is not used.
cv.OnlyWithout(
CONF_ENABLE_LWIP_DHCP_SERVER, "wifi", default=False
): cv.boolean,
cv.Optional(
CONF_ENABLE_LWIP_MDNS_QUERIES, default=False
): cv.boolean,
cv.Optional(
CONF_ENABLE_LWIP_BRIDGE_INTERFACE, default=False
): cv.boolean,
}
),
cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
@@ -664,7 +680,7 @@ async def to_code(config):
conf = config[CONF_FRAMEWORK]
cg.add_platformio_option("platform", conf[CONF_PLATFORM_VERSION])
if CONF_ADVANCED in conf and conf[CONF_ADVANCED][CONF_IGNORE_EFUSE_CUSTOM_MAC]:
if conf[CONF_ADVANCED][CONF_IGNORE_EFUSE_CUSTOM_MAC]:
cg.add_define("USE_ESP32_IGNORE_EFUSE_CUSTOM_MAC")
add_extra_script(
@@ -708,18 +724,32 @@ async def to_code(config):
# Set default CPU frequency
add_idf_sdkconfig_option(f"CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_{freq}", True)
# Apply LWIP optimization settings
advanced = conf[CONF_ADVANCED]
# DHCP server: only disable if explicitly set to false
# WiFi component handles its own optimization when AP mode is not used
if (
CONF_ENABLE_LWIP_DHCP_SERVER in advanced
and not advanced[CONF_ENABLE_LWIP_DHCP_SERVER]
):
add_idf_sdkconfig_option("CONFIG_LWIP_DHCPS", False)
if not advanced.get(CONF_ENABLE_LWIP_MDNS_QUERIES, False):
add_idf_sdkconfig_option("CONFIG_LWIP_DNS_SUPPORT_MDNS_QUERIES", False)
if not advanced.get(CONF_ENABLE_LWIP_BRIDGE_INTERFACE, False):
add_idf_sdkconfig_option("CONFIG_LWIP_BRIDGEIF_MAX_PORTS", 0)
cg.add_platformio_option("board_build.partitions", "partitions.csv")
if CONF_PARTITIONS in config:
add_extra_build_file(
"partitions.csv", CORE.relative_config_path(config[CONF_PARTITIONS])
)
if assertion_level := conf[CONF_ADVANCED].get(CONF_ASSERTION_LEVEL):
if assertion_level := advanced.get(CONF_ASSERTION_LEVEL):
for key, flag in ASSERTION_LEVELS.items():
add_idf_sdkconfig_option(flag, assertion_level == key)
add_idf_sdkconfig_option("CONFIG_COMPILER_OPTIMIZATION_DEFAULT", False)
compiler_optimization = conf[CONF_ADVANCED].get(CONF_COMPILER_OPTIMIZATION)
compiler_optimization = advanced.get(CONF_COMPILER_OPTIMIZATION)
for key, flag in COMPILER_OPTIMIZATIONS.items():
add_idf_sdkconfig_option(flag, compiler_optimization == key)
@@ -728,7 +758,7 @@ async def to_code(config):
conf[CONF_ADVANCED][CONF_ENABLE_LWIP_ASSERT],
)
if conf[CONF_ADVANCED].get(CONF_IGNORE_EFUSE_MAC_CRC):
if advanced.get(CONF_IGNORE_EFUSE_MAC_CRC):
add_idf_sdkconfig_option("CONFIG_ESP_MAC_IGNORE_MAC_CRC_ERROR", True)
if (framework_ver.major, framework_ver.minor) >= (4, 4):
add_idf_sdkconfig_option(
@@ -738,7 +768,7 @@ async def to_code(config):
add_idf_sdkconfig_option(
"CONFIG_ESP32_PHY_CALIBRATION_AND_DATA_STORAGE", False
)
if conf[CONF_ADVANCED].get(CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES):
if advanced.get(CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES):
_LOGGER.warning(
"Using experimental features in ESP-IDF may result in unexpected failures."
)