core/homeassistant/components/opentherm_gw/climate.py

279 lines
8.7 KiB
Python

"""Support for OpenTherm Gateway climate devices."""
import logging
from pyotgw import vars as gw_vars
from homeassistant.components.climate import ENTITY_ID_FORMAT, ClimateEntity
from homeassistant.components.climate.const import (
CURRENT_HVAC_COOL,
CURRENT_HVAC_HEAT,
CURRENT_HVAC_IDLE,
HVAC_MODE_COOL,
HVAC_MODE_HEAT,
PRESET_AWAY,
PRESET_NONE,
SUPPORT_PRESET_MODE,
SUPPORT_TARGET_TEMPERATURE,
)
from homeassistant.const import (
ATTR_TEMPERATURE,
CONF_ID,
PRECISION_HALVES,
PRECISION_TENTHS,
PRECISION_WHOLE,
TEMP_CELSIUS,
)
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity import async_generate_entity_id
from . import DOMAIN
from .const import CONF_FLOOR_TEMP, CONF_PRECISION, DATA_GATEWAYS, DATA_OPENTHERM_GW
_LOGGER = logging.getLogger(__name__)
DEFAULT_FLOOR_TEMP = False
DEFAULT_PRECISION = None
SUPPORT_FLAGS = SUPPORT_TARGET_TEMPERATURE | SUPPORT_PRESET_MODE
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up an OpenTherm Gateway climate entity."""
ents = []
ents.append(
OpenThermClimate(
hass.data[DATA_OPENTHERM_GW][DATA_GATEWAYS][config_entry.data[CONF_ID]],
config_entry.options,
)
)
async_add_entities(ents)
class OpenThermClimate(ClimateEntity):
"""Representation of a climate device."""
def __init__(self, gw_dev, options):
"""Initialize the device."""
self._gateway = gw_dev
self.entity_id = async_generate_entity_id(
ENTITY_ID_FORMAT, gw_dev.gw_id, hass=gw_dev.hass
)
self.friendly_name = gw_dev.name
self.floor_temp = options.get(CONF_FLOOR_TEMP, DEFAULT_FLOOR_TEMP)
self.temp_precision = options.get(CONF_PRECISION, DEFAULT_PRECISION)
self._available = False
self._current_operation = None
self._current_temperature = None
self._hvac_mode = HVAC_MODE_HEAT
self._new_target_temperature = None
self._target_temperature = None
self._away_mode_a = None
self._away_mode_b = None
self._away_state_a = False
self._away_state_b = False
self._unsub_options = None
self._unsub_updates = None
@callback
def update_options(self, entry):
"""Update climate entity options."""
self.floor_temp = entry.options[CONF_FLOOR_TEMP]
self.temp_precision = entry.options[CONF_PRECISION]
self.async_write_ha_state()
async def async_added_to_hass(self):
"""Connect to the OpenTherm Gateway device."""
_LOGGER.debug("Added OpenTherm Gateway climate device %s", self.friendly_name)
self._unsub_updates = async_dispatcher_connect(
self.hass, self._gateway.update_signal, self.receive_report
)
self._unsub_options = async_dispatcher_connect(
self.hass, self._gateway.options_update_signal, self.update_options
)
async def async_will_remove_from_hass(self):
"""Unsubscribe from updates from the component."""
_LOGGER.debug("Removing OpenTherm Gateway climate %s", self.friendly_name)
self._unsub_options()
self._unsub_updates()
@callback
def receive_report(self, status):
"""Receive and handle a new report from the Gateway."""
self._available = bool(status)
ch_active = status.get(gw_vars.DATA_SLAVE_CH_ACTIVE)
flame_on = status.get(gw_vars.DATA_SLAVE_FLAME_ON)
cooling_active = status.get(gw_vars.DATA_SLAVE_COOLING_ACTIVE)
if ch_active and flame_on:
self._current_operation = CURRENT_HVAC_HEAT
self._hvac_mode = HVAC_MODE_HEAT
elif cooling_active:
self._current_operation = CURRENT_HVAC_COOL
self._hvac_mode = HVAC_MODE_COOL
else:
self._current_operation = CURRENT_HVAC_IDLE
self._current_temperature = status.get(gw_vars.DATA_ROOM_TEMP)
temp_upd = status.get(gw_vars.DATA_ROOM_SETPOINT)
if self._target_temperature != temp_upd:
self._new_target_temperature = None
self._target_temperature = temp_upd
# GPIO mode 5: 0 == Away
# GPIO mode 6: 1 == Away
gpio_a_state = status.get(gw_vars.OTGW_GPIO_A)
if gpio_a_state == 5:
self._away_mode_a = 0
elif gpio_a_state == 6:
self._away_mode_a = 1
else:
self._away_mode_a = None
gpio_b_state = status.get(gw_vars.OTGW_GPIO_B)
if gpio_b_state == 5:
self._away_mode_b = 0
elif gpio_b_state == 6:
self._away_mode_b = 1
else:
self._away_mode_b = None
if self._away_mode_a is not None:
self._away_state_a = (
status.get(gw_vars.OTGW_GPIO_A_STATE) == self._away_mode_a
)
if self._away_mode_b is not None:
self._away_state_b = (
status.get(gw_vars.OTGW_GPIO_B_STATE) == self._away_mode_b
)
self.async_write_ha_state()
@property
def available(self):
"""Return availability of the sensor."""
return self._available
@property
def name(self):
"""Return the friendly name."""
return self.friendly_name
@property
def device_info(self):
"""Return device info."""
return {
"identifiers": {(DOMAIN, self._gateway.gw_id)},
"name": self._gateway.name,
"manufacturer": "Schelte Bron",
"model": "OpenTherm Gateway",
"sw_version": self._gateway.gw_version,
}
@property
def unique_id(self):
"""Return a unique ID."""
return self._gateway.gw_id
@property
def precision(self):
"""Return the precision of the system."""
if self.temp_precision is not None:
return self.temp_precision
if self.hass.config.units.temperature_unit == TEMP_CELSIUS:
return PRECISION_HALVES
return PRECISION_WHOLE
@property
def should_poll(self):
"""Disable polling for this entity."""
return False
@property
def temperature_unit(self):
"""Return the unit of measurement used by the platform."""
return TEMP_CELSIUS
@property
def hvac_action(self):
"""Return current HVAC operation."""
return self._current_operation
@property
def hvac_mode(self):
"""Return current HVAC mode."""
return self._hvac_mode
@property
def hvac_modes(self):
"""Return available HVAC modes."""
return []
def set_hvac_mode(self, hvac_mode):
"""Set the HVAC mode."""
_LOGGER.warning("Changing HVAC mode is not supported")
@property
def current_temperature(self):
"""Return the current temperature."""
if self._current_temperature is None:
return
if self.floor_temp is True:
if self.precision == PRECISION_HALVES:
return int(2 * self._current_temperature) / 2
if self.precision == PRECISION_TENTHS:
return int(10 * self._current_temperature) / 10
return int(self._current_temperature)
return self._current_temperature
@property
def target_temperature(self):
"""Return the temperature we try to reach."""
return self._new_target_temperature or self._target_temperature
@property
def target_temperature_step(self):
"""Return the supported step of target temperature."""
return self.precision
@property
def preset_mode(self):
"""Return current preset mode."""
if self._away_state_a or self._away_state_b:
return PRESET_AWAY
return PRESET_NONE
@property
def preset_modes(self):
"""Available preset modes to set."""
return []
def set_preset_mode(self, preset_mode):
"""Set the preset mode."""
_LOGGER.warning("Changing preset mode is not supported")
async def async_set_temperature(self, **kwargs):
"""Set new target temperature."""
if ATTR_TEMPERATURE in kwargs:
temp = float(kwargs[ATTR_TEMPERATURE])
if temp == self.target_temperature:
return
self._new_target_temperature = await self._gateway.gateway.set_target_temp(
temp
)
self.async_write_ha_state()
@property
def supported_features(self):
"""Return the list of supported features."""
return SUPPORT_FLAGS
@property
def min_temp(self):
"""Return the minimum temperature."""
return 1
@property
def max_temp(self):
"""Return the maximum temperature."""
return 30