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esphome-dev/esphome/components/max31856/sensor.py
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Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, spi
from esphome.const import (
CONF_ID,
CONF_MAINS_FILTER,
DEVICE_CLASS_TEMPERATURE,
ICON_EMPTY,
UNIT_CELSIUS,
)
max31856_ns = cg.esphome_ns.namespace("max31856")
MAX31856Sensor = max31856_ns.class_(
"MAX31856Sensor", sensor.Sensor, cg.PollingComponent, spi.SPIDevice
)
MAX31865ConfigFilter = max31856_ns.enum("MAX31856ConfigFilter")
FILTER = {
"50HZ": MAX31865ConfigFilter.FILTER_50HZ,
"60HZ": MAX31865ConfigFilter.FILTER_60HZ,
}
CONFIG_SCHEMA = (
sensor.sensor_schema(UNIT_CELSIUS, ICON_EMPTY, 1, DEVICE_CLASS_TEMPERATURE)
.extend(
{
cv.GenerateID(): cv.declare_id(MAX31856Sensor),
cv.Optional(CONF_MAINS_FILTER, default="60HZ"): cv.enum(
FILTER, upper=True, space=""
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(spi.spi_device_schema())
)
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield spi.register_spi_device(var, config)
yield sensor.register_sensor(var, config)
cg.add(var.set_filter(config[CONF_MAINS_FILTER]))