esphome/esphome/components/max31855/sensor.py

44 lines
1.3 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, spi
from esphome.const import (
CONF_REFERENCE_TEMPERATURE,
DEVICE_CLASS_TEMPERATURE,
STATE_CLASS_MEASUREMENT,
UNIT_CELSIUS,
)
max31855_ns = cg.esphome_ns.namespace("max31855")
MAX31855Sensor = max31855_ns.class_(
"MAX31855Sensor", sensor.Sensor, cg.PollingComponent, spi.SPIDevice
)
CONFIG_SCHEMA = (
sensor.sensor_schema(
MAX31855Sensor,
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=1,
device_class=DEVICE_CLASS_TEMPERATURE,
)
.extend(
{
cv.Optional(CONF_REFERENCE_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=2,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(spi.spi_device_schema())
)
async def to_code(config):
var = await sensor.new_sensor(config)
await cg.register_component(var, config)
await spi.register_spi_device(var, config)
if CONF_REFERENCE_TEMPERATURE in config:
tc_ref = await sensor.new_sensor(config[CONF_REFERENCE_TEMPERATURE])
cg.add(var.set_reference_sensor(tc_ref))