Qwikswitch binary sensors (#14008)

homeassistant/components/binary_sensor/qwikswitch.py

@@ -0,0 +1,70 @@
+"""
+Support for Qwikswitch Binary Sensors.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/binary_sensor.qwikswitch/
+"""
+import logging
+
+from homeassistant.components.binary_sensor import BinarySensorDevice
+from homeassistant.components.qwikswitch import QSEntity, DOMAIN as QWIKSWITCH
+from homeassistant.core import callback
+
+DEPENDENCIES = [QWIKSWITCH]
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_platform(hass, _, add_devices, discovery_info=None):
+    """Add binary sensor from the main Qwikswitch component."""
+    if discovery_info is None:
+        return
+
+    qsusb = hass.data[QWIKSWITCH]
+    _LOGGER.debug("Setup qwikswitch.binary_sensor %s, %s",
+                  qsusb, discovery_info)
+    devs = [QSBinarySensor(sensor) for sensor in discovery_info[QWIKSWITCH]]
+    add_devices(devs)
+
+
+class QSBinarySensor(QSEntity, BinarySensorDevice):
+    """Sensor based on a Qwikswitch relay/dimmer module."""
+
+    _val = False
+
+    def __init__(self, sensor):
+        """Initialize the sensor."""
+        from pyqwikswitch import SENSORS
+
+        super().__init__(sensor['id'], sensor['name'])
+        self.channel = sensor['channel']
+        sensor_type = sensor['type']
+
+        self._decode, _ = SENSORS[sensor_type]
+        self._invert = not sensor.get('invert', False)
+        self._class = sensor.get('class', 'door')
+
+    @callback
+    def update_packet(self, packet):
+        """Receive update packet from QSUSB."""
+        val = self._decode(packet, channel=self.channel)
+        _LOGGER.debug("Update %s (%s:%s) decoded as %s: %s",
+                      self.entity_id, self.qsid, self.channel, val, packet)
+        if val is not None:
+            self._val = bool(val)
+            self.async_schedule_update_ha_state()
+
+    @property
+    def is_on(self):
+        """Check if device is on (non-zero)."""
+        return self._val == self._invert
+
+    @property
+    def unique_id(self):
+        """Return a unique identifier for this sensor."""
+        return "qs{}:{}".format(self.qsid, self.channel)
+
+    @property
+    def device_class(self):
+        """Return the class of this sensor."""
+        return self._class