esphome/esphome/components/dallas/sensor.py

41 lines
1.3 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor
from esphome.const import (
CONF_ADDRESS,
CONF_DALLAS_ID,
CONF_INDEX,
CONF_RESOLUTION,
DEVICE_CLASS_TEMPERATURE,
ICON_EMPTY,
UNIT_CELSIUS,
CONF_ID,
)
from . import DallasComponent, dallas_ns
DallasTemperatureSensor = dallas_ns.class_("DallasTemperatureSensor", sensor.Sensor)
CONFIG_SCHEMA = cv.All(
sensor.sensor_schema(UNIT_CELSIUS, ICON_EMPTY, 1, DEVICE_CLASS_TEMPERATURE).extend(
{
cv.GenerateID(): cv.declare_id(DallasTemperatureSensor),
cv.GenerateID(CONF_DALLAS_ID): cv.use_id(DallasComponent),
cv.Optional(CONF_ADDRESS): cv.hex_int,
cv.Optional(CONF_INDEX): cv.positive_int,
cv.Optional(CONF_RESOLUTION, default=12): cv.int_range(min=9, max=12),
}
),
cv.has_exactly_one_key(CONF_ADDRESS, CONF_INDEX),
)
def to_code(config):
hub = yield cg.get_variable(config[CONF_DALLAS_ID])
if CONF_ADDRESS in config:
address = config[CONF_ADDRESS]
rhs = hub.Pget_sensor_by_address(address, config.get(CONF_RESOLUTION))
else:
rhs = hub.Pget_sensor_by_index(config[CONF_INDEX], config.get(CONF_RESOLUTION))
var = cg.Pvariable(config[CONF_ID], rhs)
yield sensor.register_sensor(var, config)