75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
"""
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Support for OpenTherm Gateway devices.
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For more details about this component, please refer to the documentation at
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http://home-assistant.io/components/opentherm_gw/
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"""
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import logging
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import voluptuous as vol
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from homeassistant.const import (CONF_DEVICE, CONF_NAME, PRECISION_HALVES,
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PRECISION_TENTHS, PRECISION_WHOLE)
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from homeassistant.helpers.discovery import async_load_platform
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from homeassistant.helpers.dispatcher import async_dispatcher_send
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import homeassistant.helpers.config_validation as cv
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DOMAIN = 'opentherm_gw'
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CONF_CLIMATE = 'climate'
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CONF_FLOOR_TEMP = 'floor_temperature'
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CONF_PRECISION = 'precision'
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DATA_DEVICE = 'device'
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DATA_GW_VARS = 'gw_vars'
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DATA_OPENTHERM_GW = 'opentherm_gw'
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SIGNAL_OPENTHERM_GW_UPDATE = 'opentherm_gw_update'
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CLIMATE_SCHEMA = vol.Schema({
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vol.Optional(CONF_NAME, default="OpenTherm Gateway"): cv.string,
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vol.Optional(CONF_PRECISION): vol.In([PRECISION_TENTHS, PRECISION_HALVES,
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PRECISION_WHOLE]),
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vol.Optional(CONF_FLOOR_TEMP, default=False): cv.boolean,
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})
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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vol.Required(CONF_DEVICE): cv.string,
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vol.Optional(CONF_CLIMATE, default={}): CLIMATE_SCHEMA,
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}),
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}, extra=vol.ALLOW_EXTRA)
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REQUIREMENTS = ['pyotgw==0.1b0']
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_LOGGER = logging.getLogger(__name__)
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async def async_setup(hass, config):
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"""Set up the OpenTherm Gateway component."""
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import pyotgw
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conf = config[DOMAIN]
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gateway = pyotgw.pyotgw()
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hass.data[DATA_OPENTHERM_GW] = {
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DATA_DEVICE: gateway,
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DATA_GW_VARS: pyotgw.vars,
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}
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hass.async_create_task(connect_and_subscribe(
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hass, conf[CONF_DEVICE], gateway))
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hass.async_create_task(async_load_platform(
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hass, 'climate', DOMAIN, conf.get(CONF_CLIMATE)))
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return True
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async def connect_and_subscribe(hass, device_path, gateway):
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"""Connect to serial device and subscribe report handler."""
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await gateway.connect(hass.loop, device_path)
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_LOGGER.debug("Connected to OpenTherm Gateway at %s", device_path)
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async def handle_report(status):
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"""Handle reports from the OpenTherm Gateway."""
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_LOGGER.debug("Received report: %s", status)
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async_dispatcher_send(hass, SIGNAL_OPENTHERM_GW_UPDATE, status)
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gateway.subscribe(handle_report)
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