[i2c] Disable i2c scan on certain idf versions (#9237)

This commit is contained in:
Jonathan Swoboda 2025-06-27 21:32:18 -04:00 committed by Jesse Hills
parent 5010a0f5e7
commit 61b3379f48
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@ -1,5 +1,8 @@
import logging
from esphome import pins
import esphome.codegen as cg
from esphome.components import esp32
import esphome.config_validation as cv
from esphome.const import (
CONF_ADDRESS,
@ -12,6 +15,8 @@ from esphome.const import (
CONF_SCL,
CONF_SDA,
CONF_TIMEOUT,
KEY_CORE,
KEY_FRAMEWORK_VERSION,
PLATFORM_ESP32,
PLATFORM_ESP8266,
PLATFORM_RP2040,
@ -19,6 +24,7 @@ from esphome.const import (
from esphome.core import CORE, coroutine_with_priority
import esphome.final_validate as fv
LOGGER = logging.getLogger(__name__)
CODEOWNERS = ["@esphome/core"]
i2c_ns = cg.esphome_ns.namespace("i2c")
I2CBus = i2c_ns.class_("I2CBus")
@ -40,6 +46,32 @@ def _bus_declare_type(value):
raise NotImplementedError
def validate_config(config):
if (
config[CONF_SCAN]
and CORE.is_esp32
and CORE.using_esp_idf
and esp32.get_esp32_variant()
in [
esp32.const.VARIANT_ESP32C5,
esp32.const.VARIANT_ESP32C6,
esp32.const.VARIANT_ESP32P4,
]
):
version: cv.Version = CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]
if version.major == 5 and (
(version.minor == 3 and version.patch <= 3)
or (version.minor == 4 and version.patch <= 1)
):
LOGGER.warning(
"There is a bug in esp-idf version %s that breaks I2C scan, I2C scan "
"has been disabled, see https://github.com/esphome/issues/issues/7128",
str(version),
)
config[CONF_SCAN] = False
return config
pin_with_input_and_output_support = pins.internal_gpio_pin_number(
{CONF_OUTPUT: True, CONF_INPUT: True}
)
@ -65,6 +97,7 @@ CONFIG_SCHEMA = cv.All(
}
).extend(cv.COMPONENT_SCHEMA),
cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266, PLATFORM_RP2040]),
validate_config,
)