Support lutron serena shades (#7565)

* Adds support for the Lutron Caseta Serena shades hardware

* fixes typos

homeassistant/components/cover/lutron_caseta.py

@@ -0,0 +1,62 @@
+"""
+Support for Lutron Caseta SerenaRollerShade.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/cover.lutron_caseta/
+"""
+import logging
+
+
+from homeassistant.components.cover import (
+    CoverDevice, SUPPORT_OPEN, SUPPORT_CLOSE)
+from homeassistant.components.lutron_caseta import (
+    LUTRON_CASETA_SMARTBRIDGE, LutronCasetaDevice)
+
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['lutron_caseta']
+
+
+# pylint: disable=unused-argument
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Lutron Caseta Serena shades as a cover device."""
+    devs = []
+    bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
+    cover_devices = bridge.get_devices_by_types(["SerenaRollerShade"])
+    for cover_device in cover_devices:
+        dev = LutronCasetaCover(cover_device, bridge)
+        devs.append(dev)
+
+    add_devices(devs, True)
+
+
+class LutronCasetaCover(LutronCasetaDevice, CoverDevice):
+    """Representation of a Lutron Serena shade."""
+
+    @property
+    def supported_features(self):
+        """Flag supported features."""
+        return SUPPORT_OPEN | SUPPORT_CLOSE
+
+    @property
+    def is_closed(self):
+        """Return if the cover is closed."""
+        return self._state["current_state"] < 1
+
+    def close_cover(self):
+        """Close the cover."""
+        self._smartbridge.set_value(self._device_id, 0)
+
+    def open_cover(self):
+        """Open the cover."""
+        self._smartbridge.set_value(self._device_id, 100)
+
+    def set_cover_position(self, position, **kwargs):
+        """Move the roller shutter to a specific position."""
+        self._smartbridge.set_value(self._device_id, position)
+
+    def update(self):
+        """Call when forcing a refresh of the device."""
+        self._state = self._smartbridge.get_device_by_id(self._device_id)
+        _LOGGER.debug(self._state)

homeassistant/components/lutron_caseta.py

@@ -44,7 +44,7 @@ def setup(hass, base_config):
 
     _LOGGER.info("Connected to Lutron smartbridge at %s", config[CONF_HOST])
 
-    for component in ('light', 'switch'):
+    for component in ('light', 'switch', 'cover'):
         discovery.load_platform(hass, component, DOMAIN, {}, config)
 
     return True