core/homeassistant/components/climate/heatmiser.py

118 lines
3.4 KiB
Python

"""
Support for the PRT Heatmiser themostats using the V3 protocol.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/climate.heatmiser/
"""
import logging
import voluptuous as vol
from homeassistant.components.climate import ClimateDevice, PLATFORM_SCHEMA
from homeassistant.components.climate.const import (
SUPPORT_TARGET_TEMPERATURE)
from homeassistant.const import (
TEMP_CELSIUS, ATTR_TEMPERATURE, CONF_PORT, CONF_NAME, CONF_ID)
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['heatmiserV3==0.9.1']
_LOGGER = logging.getLogger(__name__)
CONF_IPADDRESS = 'ipaddress'
CONF_TSTATS = 'tstats'
TSTATS_SCHEMA = vol.Schema({
vol.Required(CONF_ID): cv.string,
vol.Required(CONF_NAME): cv.string,
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_IPADDRESS): cv.string,
vol.Required(CONF_PORT): cv.port,
vol.Required(CONF_TSTATS, default={}):
vol.Schema({cv.string: TSTATS_SCHEMA}),
})
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the heatmiser thermostat."""
from heatmiserV3 import heatmiser, connection
ipaddress = config.get(CONF_IPADDRESS)
port = str(config.get(CONF_PORT))
tstats = config.get(CONF_TSTATS)
serport = connection.connection(ipaddress, port)
serport.open()
for tstat in tstats.values():
add_entities([
HeatmiserV3Thermostat(
heatmiser, tstat.get(CONF_ID), tstat.get(CONF_NAME), serport)
])
class HeatmiserV3Thermostat(ClimateDevice):
"""Representation of a HeatmiserV3 thermostat."""
def __init__(self, heatmiser, device, name, serport):
"""Initialize the thermostat."""
self.heatmiser = heatmiser
self.serport = serport
self._current_temperature = None
self._name = name
self._id = device
self.dcb = None
self.update()
self._target_temperature = int(self.dcb.get('roomset'))
@property
def supported_features(self):
"""Return the list of supported features."""
return SUPPORT_TARGET_TEMPERATURE
@property
def name(self):
"""Return the name of the thermostat, if any."""
return self._name
@property
def temperature_unit(self):
"""Return the unit of measurement which this thermostat uses."""
return TEMP_CELSIUS
@property
def current_temperature(self):
"""Return the current temperature."""
if self.dcb is not None:
low = self.dcb.get('floortemplow ')
high = self.dcb.get('floortemphigh')
temp = (high * 256 + low) / 10.0
self._current_temperature = temp
else:
self._current_temperature = None
return self._current_temperature
@property
def target_temperature(self):
"""Return the temperature we try to reach."""
return self._target_temperature
def set_temperature(self, **kwargs):
"""Set new target temperature."""
temperature = kwargs.get(ATTR_TEMPERATURE)
if temperature is None:
return
self.heatmiser.hmSendAddress(
self._id,
18,
temperature,
1,
self.serport)
self._target_temperature = temperature
def update(self):
"""Get the latest data."""
self.dcb = self.heatmiser.hmReadAddress(self._id, 'prt', self.serport)