core/homeassistant/components/lcn/sensor.py

119 lines
3.7 KiB
Python

"""Support for LCN sensors."""
import pypck
from homeassistant.const import CONF_ADDRESS, CONF_UNIT_OF_MEASUREMENT
from . import LcnDevice
from .const import (
CONF_CONNECTIONS,
CONF_SOURCE,
DATA_LCN,
LED_PORTS,
S0_INPUTS,
SETPOINTS,
THRESHOLDS,
VARIABLES,
)
from .helpers import get_connection
async def async_setup_platform(
hass, hass_config, async_add_entities, discovery_info=None
):
"""Set up the LCN sensor platform."""
if discovery_info is None:
return
devices = []
for config in discovery_info:
address, connection_id = config[CONF_ADDRESS]
addr = pypck.lcn_addr.LcnAddr(*address)
connections = hass.data[DATA_LCN][CONF_CONNECTIONS]
connection = get_connection(connections, connection_id)
address_connection = connection.get_address_conn(addr)
if config[CONF_SOURCE] in VARIABLES + SETPOINTS + THRESHOLDS + S0_INPUTS:
device = LcnVariableSensor(config, address_connection)
else: # in LED_PORTS + LOGICOP_PORTS
device = LcnLedLogicSensor(config, address_connection)
devices.append(device)
async_add_entities(devices)
class LcnVariableSensor(LcnDevice):
"""Representation of a LCN sensor for variables."""
def __init__(self, config, address_connection):
"""Initialize the LCN sensor."""
super().__init__(config, address_connection)
self.variable = pypck.lcn_defs.Var[config[CONF_SOURCE]]
self.unit = pypck.lcn_defs.VarUnit.parse(config[CONF_UNIT_OF_MEASUREMENT])
self._value = None
async def async_added_to_hass(self):
"""Run when entity about to be added to hass."""
await super().async_added_to_hass()
await self.address_connection.activate_status_request_handler(self.variable)
@property
def state(self):
"""Return the state of the entity."""
return self._value
@property
def unit_of_measurement(self):
"""Return the unit of measurement of this entity, if any."""
return self.unit.value
def input_received(self, input_obj):
"""Set sensor value when LCN input object (command) is received."""
if (
not isinstance(input_obj, pypck.inputs.ModStatusVar)
or input_obj.get_var() != self.variable
):
return
self._value = input_obj.get_value().to_var_unit(self.unit)
self.async_schedule_update_ha_state()
class LcnLedLogicSensor(LcnDevice):
"""Representation of a LCN sensor for leds and logicops."""
def __init__(self, config, address_connection):
"""Initialize the LCN sensor."""
super().__init__(config, address_connection)
if config[CONF_SOURCE] in LED_PORTS:
self.source = pypck.lcn_defs.LedPort[config[CONF_SOURCE]]
else:
self.source = pypck.lcn_defs.LogicOpPort[config[CONF_SOURCE]]
self._value = None
async def async_added_to_hass(self):
"""Run when entity about to be added to hass."""
await super().async_added_to_hass()
await self.address_connection.activate_status_request_handler(self.source)
@property
def state(self):
"""Return the state of the entity."""
return self._value
def input_received(self, input_obj):
"""Set sensor value when LCN input object (command) is received."""
if not isinstance(input_obj, pypck.inputs.ModStatusLedsAndLogicOps):
return
if self.source in pypck.lcn_defs.LedPort:
self._value = input_obj.get_led_state(self.source.value).name.lower()
elif self.source in pypck.lcn_defs.LogicOpPort:
self._value = input_obj.get_logic_op_state(self.source.value).name.lower()
self.async_schedule_update_ha_state()