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Add final validate for i2c with mix/max frequency (#3727)

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Co-authored-by: MrEditor97 <mr.samuel.hughes@gmail.com>
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Jesse Hills 2022-08-18 11:04:50 +12:00 committed by GitHub
parent b4bbe3d7b5
commit d546ef941f
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1 changed files with 25 additions and 0 deletions
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25
esphome/components/i2c/__init__.py
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@ -1,5 +1,6 @@
import esphome.codegen as cg import esphome.codegen as cg
import esphome.config_validation as cv import esphome.config_validation as cv
import esphome.final_validate as fv
from esphome import pins from esphome import pins
from esphome.const import ( from esphome.const import (
CONF_FREQUENCY, CONF_FREQUENCY,
@ -110,3 +111,27 @@ async def register_i2c_device(var, config):
parent = await cg.get_variable(config[CONF_I2C_ID]) parent = await cg.get_variable(config[CONF_I2C_ID])
cg.add(var.set_i2c_bus(parent)) cg.add(var.set_i2c_bus(parent))
cg.add(var.set_i2c_address(config[CONF_ADDRESS])) cg.add(var.set_i2c_address(config[CONF_ADDRESS]))
def final_validate_device_schema(
name: str, *, min_frequency: cv.frequency = None, max_frequency: cv.frequency = None
):
hub_schema = {}
if min_frequency is not None:
hub_schema[cv.Required(CONF_FREQUENCY)] = cv.Range(
min=cv.frequency(min_frequency),
min_included=True,
msg=f"Component {name} requires a minimum frequency of {min_frequency} for the I2C bus",
)
if max_frequency is not None:
hub_schema[cv.Required(CONF_FREQUENCY)] = cv.Range(
max=cv.frequency(max_frequency),
max_included=True,
msg=f"Component {name} cannot be used with a frequency of over {max_frequency} for the I2C bus",
)
return cv.Schema(
{cv.Required(CONF_I2C_ID): fv.id_declaration_match_schema(hub_schema)},
extra=cv.ALLOW_EXTRA,
)