Dimmer service

custom_components/fhem/binary_sensor.py

@@ -0,0 +1,116 @@
+"""Support for covers from FHEM"""
+
+import voluptuous as vol
+import logging
+
+from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorDevice, \
+    DEVICE_CLASS_MOTION, DEVICE_CLASS_OPENING, DEVICE_CLASS_BATTERY
+from homeassistant.const import CONF_NAME
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.event import async_call_later
+from homeassistant.core import callback
+from . import DATA_FHEM, device_error_reporting, CONF_FHEM_SENSOR_TYPE, CONF_FHEM_IDS
+
+
+_LOGGER = logging.getLogger(__name__)
+
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_FHEM_IDS): vol.All(cv.ensure_list, [cv.string]),
+    vol.Required(CONF_NAME): cv.string,
+    vol.Required(CONF_FHEM_SENSOR_TYPE): vol.In(('motion', 'cover', 'battery')),
+})
+
+
+async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+    connection = hass.data[DATA_FHEM]
+
+    sensor = FhemBinarySensor(connection,
+                              config[CONF_NAME],
+                              config[CONF_FHEM_IDS],
+                              config[CONF_FHEM_SENSOR_TYPE])
+
+    for dev_id in config[CONF_FHEM_IDS]:
+        connection.register_device(dev_id, sensor)
+    async_add_entities([sensor])
+
+
+class FhemBinarySensor(BinarySensorDevice):
+
+    def __init__(self, connection, name, ids, sensor_type):
+        self._on = None
+        self.connection = connection
+        self._ids = ids
+        self._name = name
+        self._type = sensor_type
+        self._available = True
+        self._state = None
+        self._unsubscribe_motion_off = None
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def should_poll(self):
+        """No polling needed."""
+        return False
+
+    @property
+    def available(self) -> bool:
+        return self._available and self.connection.connected
+
+    @property
+    def is_on(self):
+        return self._state
+
+    async def line_received(self, line):
+        if self._type == 'motion' and line.startswith('motion'):
+            self._available = True
+            self._state = True
+            self._start_motion_off_callback(delay_in_seconds=31)
+            await self.async_update_ha_state()
+        elif self._type == 'cover' and line.startswith('cover'):
+            self._available = True
+            _, new_value = line.split(':')
+            self._state = not (new_value.strip().lower() == 'closed')
+            await self.async_update_ha_state()
+        elif self._type == 'battery' and line.startswith('battery'):
+            self._available = True
+            _, new_value = line.split(':')
+            self._state = not (new_value.strip().lower() == 'ok')
+            await self.async_update_ha_state()
+        elif line.startswith('ResndFail') or line.startswith('MISSING ACK'):
+            self._available = False
+            await self.async_update_ha_state()
+        else:
+            device_error_reporting(self.hass, line, component_type="Switch", component_name=self.entity_id)
+
+    @property
+    def device_state_attributes(self):
+        return None
+
+    def _start_motion_off_callback(self, delay_in_seconds):
+        self._stop_motion_off_callback()
+        self._unsubscribe_motion_off = async_call_later(self.hass, delay_in_seconds, self._stop_motion_callback)
+
+    def _stop_motion_off_callback(self):
+        if self._unsubscribe_motion_off is not None:
+            self._unsubscribe_motion_off()
+            self._unsubscribe_motion_off = None
+
+    @callback
+    def _stop_motion_callback(self, now):
+        self._state = False
+        self.schedule_update_ha_state()
+
+    @property
+    def device_class(self):
+        if self._type == 'motion':
+            return DEVICE_CLASS_MOTION
+        elif self._type == 'cover':
+            return DEVICE_CLASS_OPENING
+        elif self._type == 'battery':
+            return DEVICE_CLASS_BATTERY
+        else:
+            return None