core/homeassistant/components/mochad/light.py

149 lines
5.4 KiB
Python

"""Support for X10 dimmer over Mochad."""
import logging
from pymochad import device
from pymochad.exceptions import MochadException
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
PLATFORM_SCHEMA,
SUPPORT_BRIGHTNESS,
LightEntity,
)
from homeassistant.const import CONF_ADDRESS, CONF_DEVICES, CONF_NAME, CONF_PLATFORM
from homeassistant.helpers import config_validation as cv
from . import CONF_COMM_TYPE, DOMAIN, REQ_LOCK
_LOGGER = logging.getLogger(__name__)
CONF_BRIGHTNESS_LEVELS = "brightness_levels"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_PLATFORM): DOMAIN,
CONF_DEVICES: [
{
vol.Optional(CONF_NAME): cv.string,
vol.Required(CONF_ADDRESS): cv.x10_address,
vol.Optional(CONF_COMM_TYPE): cv.string,
vol.Optional(CONF_BRIGHTNESS_LEVELS, default=32): vol.All(
vol.Coerce(int), vol.In([32, 64, 256])
),
}
],
}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up X10 dimmers over a mochad controller."""
mochad_controller = hass.data[DOMAIN]
devs = config.get(CONF_DEVICES)
add_entities([MochadLight(hass, mochad_controller.ctrl, dev) for dev in devs])
return True
class MochadLight(LightEntity):
"""Representation of a X10 dimmer over Mochad."""
def __init__(self, hass, ctrl, dev):
"""Initialize a Mochad Light Device."""
self._controller = ctrl
self._address = dev[CONF_ADDRESS]
self._name = dev.get(CONF_NAME, f"x10_light_dev_{self._address}")
self._comm_type = dev.get(CONF_COMM_TYPE, "pl")
self.light = device.Device(ctrl, self._address, comm_type=self._comm_type)
self._brightness = 0
self._state = self._get_device_status()
self._brightness_levels = dev.get(CONF_BRIGHTNESS_LEVELS) - 1
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
def _get_device_status(self):
"""Get the status of the light from mochad."""
with REQ_LOCK:
status = self.light.get_status().rstrip()
return status == "on"
@property
def name(self):
"""Return the display name of this light."""
return self._name
@property
def is_on(self):
"""Return true if the light is on."""
return self._state
@property
def supported_features(self):
"""Return supported features."""
return SUPPORT_BRIGHTNESS
@property
def assumed_state(self):
"""X10 devices are normally 1-way so we have to assume the state."""
return True
def _calculate_brightness_value(self, value):
return int(value * (float(self._brightness_levels) / 255.0))
def _adjust_brightness(self, brightness):
if self._brightness > brightness:
bdelta = self._brightness - brightness
mochad_brightness = self._calculate_brightness_value(bdelta)
self.light.send_cmd(f"dim {mochad_brightness}")
self._controller.read_data()
elif self._brightness < brightness:
bdelta = brightness - self._brightness
mochad_brightness = self._calculate_brightness_value(bdelta)
self.light.send_cmd(f"bright {mochad_brightness}")
self._controller.read_data()
def turn_on(self, **kwargs):
"""Send the command to turn the light on."""
_LOGGER.debug("Reconnect %s:%s", self._controller.server, self._controller.port)
brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
with REQ_LOCK:
try:
# Recycle socket on new command to recover mochad connection
self._controller.reconnect()
if self._brightness_levels > 32:
out_brightness = self._calculate_brightness_value(brightness)
self.light.send_cmd(f"xdim {out_brightness}")
self._controller.read_data()
else:
self.light.send_cmd("on")
self._controller.read_data()
# There is no persistence for X10 modules so a fresh on command
# will be full brightness
if self._brightness == 0:
self._brightness = 255
self._adjust_brightness(brightness)
self._brightness = brightness
self._state = True
except (MochadException, OSError) as exc:
_LOGGER.error("Error with mochad communication: %s", exc)
def turn_off(self, **kwargs):
"""Send the command to turn the light on."""
_LOGGER.debug("Reconnect %s:%s", self._controller.server, self._controller.port)
with REQ_LOCK:
try:
# Recycle socket on new command to recover mochad connection
self._controller.reconnect()
self.light.send_cmd("off")
self._controller.read_data()
# There is no persistence for X10 modules so we need to prepare
# to track a fresh on command will full brightness
if self._brightness_levels == 31:
self._brightness = 0
self._state = False
except (MochadException, OSError) as exc:
_LOGGER.error("Error with mochad communication: %s", exc)