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