diff --git a/esphome/components/beken_spi_led_strip/light.py b/esphome/components/beken_spi_led_strip/light.py index 31572cd8001..9093b08b62d 100644 --- a/esphome/components/beken_spi_led_strip/light.py +++ b/esphome/components/beken_spi_led_strip/light.py @@ -62,6 +62,7 @@ CONF_IS_WRGB = "is_wrgb" SUPPORTED_PINS = { libretiny.const.FAMILY_BK7231N: [16], libretiny.const.FAMILY_BK7231T: [16], + libretiny.const.FAMILY_BK7238: [16], libretiny.const.FAMILY_BK7251: [16], } diff --git a/esphome/components/libretiny/__init__.py b/esphome/components/libretiny/__init__.py index 40b8c8dc6c1..74ac51d2001 100644 --- a/esphome/components/libretiny/__init__.py +++ b/esphome/components/libretiny/__init__.py @@ -37,6 +37,7 @@ from .const import ( CONF_UART_PORT, FAMILIES, FAMILY_BK7231N, + FAMILY_BK7238, FAMILY_COMPONENT, FAMILY_FRIENDLY, FAMILY_RTL8710B, @@ -56,19 +57,22 @@ CODEOWNERS = ["@kuba2k2"] AUTO_LOAD = ["preferences"] IS_TARGET_PLATFORM = True -# BK7231N SDK options to disable unused features. +# BLE 5.x BK SDK options to disable unused features. # Disabling BLE saves ~21KB RAM and ~200KB Flash because BLE init code is # called unconditionally by the SDK. ESPHome doesn't use BLE on LibreTiny. # -# This only works on BK7231N (BLE 5.x). Other BK72XX chips using BLE 4.2 -# (BK7231T, BK7231Q, BK7251; BK7252 boards use the BK7251 family) have a bug -# where the BLE library still links and references undefined symbols when -# CFG_SUPPORT_BLE=0. +# This only works on BLE 5.x BK chips (BK7231N, BK7238). Other BK72XX chips +# using BLE 4.2 (BK7231T, BK7231Q, BK7251; BK7252 boards use the BK7251 family) +# have a bug where the BLE library still links and references undefined symbols +# when CFG_SUPPORT_BLE=0. +# +# On BK7238 the SDK also hangs at WiFi STA enable when BLE init runs, so +# disabling it is required for reliable boot, not just an optimization. # # Other options like CFG_TX_EVM_TEST, CFG_RX_SENSITIVITY_TEST, CFG_SUPPORT_BKREG, # CFG_SUPPORT_OTA_HTTP, and CFG_USE_SPI_SLAVE were evaluated but provide no # NOLINT # measurable benefit - the linker already strips unreferenced code via -gc-sections. -_BK7231N_SYS_CONFIG_OPTIONS = [ +_BLE5_BK_SYS_CONFIG_OPTIONS = [ "CFG_SUPPORT_BLE=0", ] @@ -549,9 +553,9 @@ async def component_to_code(config): cg.add_platformio_option("custom_fw_version", __version__) # Apply chip-specific SDK options to save RAM/Flash - if config[CONF_FAMILY] == FAMILY_BK7231N: + if config[CONF_FAMILY] in (FAMILY_BK7231N, FAMILY_BK7238): cg.add_platformio_option( - "custom_options.sys_config#h", _BK7231N_SYS_CONFIG_OPTIONS + "custom_options.sys_config#h", _BLE5_BK_SYS_CONFIG_OPTIONS ) # Tune lwIP for ESPHome's actual needs.