core/homeassistant/components/mochad/light.py

142 lines
5.6 KiB
Python

"""Support for X10 dimmer over Mochad."""
from __future__ import annotations
import logging
from typing import Any
from pymochad import controller, device
from pymochad.exceptions import MochadException
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
PLATFORM_SCHEMA as LIGHT_PLATFORM_SCHEMA,
ColorMode,
LightEntity,
)
from homeassistant.const import CONF_ADDRESS, CONF_DEVICES, CONF_NAME, CONF_PLATFORM
from homeassistant.core import HomeAssistant
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from . import CONF_COMM_TYPE, DOMAIN, REQ_LOCK, MochadCtrl
_LOGGER = logging.getLogger(__name__)
CONF_BRIGHTNESS_LEVELS = "brightness_levels"
PLATFORM_SCHEMA = LIGHT_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: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up X10 dimmers over a mochad controller."""
mochad_controller: MochadCtrl = hass.data[DOMAIN]
devs: list[dict[str, Any]] = config[CONF_DEVICES]
add_entities([MochadLight(hass, mochad_controller.ctrl, dev) for dev in devs])
class MochadLight(LightEntity):
"""Representation of a X10 dimmer over Mochad."""
_attr_assumed_state = True # X10 devices are normally 1-way
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(
self, hass: HomeAssistant, ctrl: controller.PyMochad, dev: dict[str, Any]
) -> None:
"""Initialize a Mochad Light Device."""
self._controller = ctrl
self._address: str = dev[CONF_ADDRESS]
self._attr_name: str = dev.get(CONF_NAME, f"x10_light_dev_{self._address}")
self._comm_type: str = dev.get(CONF_COMM_TYPE, "pl")
self.light = device.Device(ctrl, self._address, comm_type=self._comm_type)
self._attr_brightness = 0
self._attr_is_on = self._get_device_status()
self._brightness_levels: int = dev[CONF_BRIGHTNESS_LEVELS] - 1
def _get_device_status(self) -> bool:
"""Get the status of the light from mochad."""
with REQ_LOCK:
status = self.light.get_status().rstrip()
return status == "on"
def _calculate_brightness_value(self, value: int) -> int:
return int(value * (float(self._brightness_levels) / 255.0))
def _adjust_brightness(self, brightness: int) -> None:
assert self.brightness is not None
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: Any) -> None:
"""Send the command to turn the light on."""
_LOGGER.debug("Reconnect %s:%s", self._controller.server, self._controller.port)
brightness: int = 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._attr_brightness = 255
self._adjust_brightness(brightness)
self._attr_brightness = brightness
self._attr_is_on = True
except (MochadException, OSError) as exc:
_LOGGER.error("Error with mochad communication: %s", exc)
def turn_off(self, **kwargs: Any) -> None:
"""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._attr_brightness = 0
self._attr_is_on = False
except (MochadException, OSError) as exc:
_LOGGER.error("Error with mochad communication: %s", exc)