From fff269e790b1e741e43a360ec6502d166b6b73b2 Mon Sep 17 00:00:00 2001
From: Thomas Delaet <thomas@delaet.org>
Date: Wed, 26 Jul 2017 14:03:29 +0200
Subject: [PATCH] Velbus (#8076)

* add Velbus changes

* update library version

* fix python-velbus version

* bug fix and update python-velbus

* change config handling

* update velbus components/platforms

* add support for Velbus switches

* fix bugs

* typo

* add velbus fan

* update velbus library

* bug fix in logic of fan handling of speed settings

* add Velbus changes

change config handling

update velbus components/platforms

add support for Velbus switches

add velbus fan

* remove duplicate entry

* fix documentation links

* fix linting error

* regen requirements_all.txt

* add support for Velbus cover

* bugfix in cover component

* bugfix in cover component

* remove unused imports

* Travis fixes

* fix style

* fix style

* Update velbus.py

* Update velbus.py

* Update velbus.py

* Update requirements_all.txt

* Update velbus.py

* Update velbus.py

* Update velbus.py

* Update velbus.py

* fix style

* Update velbus.py

* Update velbus.py

* Update velbus.py

* Update velbus.py

* Update velbus.py

* Update velbus.py
---
 .coveragerc                                   |   3 +
 .../components/binary_sensor/velbus.py        |  96 +++++++++
 homeassistant/components/cover/velbus.py      | 160 +++++++++++++++
 homeassistant/components/fan/velbus.py        | 187 ++++++++++++++++++
 homeassistant/components/light/velbus.py      | 104 ++++++++++
 homeassistant/components/switch/velbus.py     | 111 +++++++++++
 homeassistant/components/velbus.py            |  43 ++++
 requirements_all.txt                          |   3 +
 8 files changed, 707 insertions(+)
 create mode 100644 homeassistant/components/binary_sensor/velbus.py
 create mode 100644 homeassistant/components/cover/velbus.py
 create mode 100644 homeassistant/components/fan/velbus.py
 create mode 100644 homeassistant/components/light/velbus.py
 create mode 100644 homeassistant/components/switch/velbus.py
 create mode 100644 homeassistant/components/velbus.py

diff --git a/.coveragerc b/.coveragerc
index c9bd40dfc65..c4051af5136 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -172,6 +172,9 @@ omit =
     homeassistant/components/twilio.py
     homeassistant/components/notify/twilio_sms.py
     homeassistant/components/notify/twilio_call.py
+  
+    homeassistant/components/velbus.py
+    homeassistant/components/*/velbus.py
 
     homeassistant/components/velux.py
     homeassistant/components/*/velux.py
diff --git a/homeassistant/components/binary_sensor/velbus.py b/homeassistant/components/binary_sensor/velbus.py
new file mode 100644
index 00000000000..214edcf9463
--- /dev/null
+++ b/homeassistant/components/binary_sensor/velbus.py
@@ -0,0 +1,96 @@
+"""
+Support for Velbus Binary Sensors.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/binary_sensor.velbus/
+"""
+import asyncio
+import logging
+
+
+import voluptuous as vol
+
+from homeassistant.const import CONF_NAME, CONF_DEVICES
+from homeassistant.components.binary_sensor import BinarySensorDevice
+from homeassistant.components.binary_sensor import PLATFORM_SCHEMA
+from homeassistant.components.velbus import DOMAIN
+import homeassistant.helpers.config_validation as cv
+
+
+DEPENDENCIES = ['velbus']
+
+_LOGGER = logging.getLogger(__name__)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_DEVICES): vol.All(cv.ensure_list, [
+        {
+            vol.Required('module'): cv.positive_int,
+            vol.Required('channel'): cv.positive_int,
+            vol.Required(CONF_NAME): cv.string,
+            vol.Optional('is_pushbutton'): cv.boolean
+        }
+    ])
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up Velbus binary sensors."""
+    velbus = hass.data[DOMAIN]
+
+    add_devices(VelbusBinarySensor(sensor, velbus)
+                for sensor in config[CONF_DEVICES])
+
+
+class VelbusBinarySensor(BinarySensorDevice):
+    """Representation of a Velbus Binary Sensor."""
+
+    def __init__(self, binary_sensor, velbus):
+        """Initialize a Velbus light."""
+        self._velbus = velbus
+        self._name = binary_sensor[CONF_NAME]
+        self._module = binary_sensor['module']
+        self._channel = binary_sensor['channel']
+        self._is_pushbutton = 'is_pushbutton' in binary_sensor \
+                              and binary_sensor['is_pushbutton']
+        self._state = False
+
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Add listener for Velbus messages on bus."""
+        yield from self.hass.async_add_job(
+            self._velbus.subscribe, self._on_message)
+
+    def _on_message(self, message):
+        import velbus
+        if isinstance(message, velbus.PushButtonStatusMessage):
+            if message.address == self._module and \
+               self._channel in message.get_channels():
+                if self._is_pushbutton:
+                    if self._channel in message.closed:
+                        self._toggle()
+                    else:
+                        pass
+                else:
+                    self._toggle()
+
+    def _toggle(self):
+        if self._state is True:
+            self._state = False
+        else:
+            self._state = True
+        self.schedule_update_ha_state()
+
+    @property
+    def should_poll(self):
+        """No polling needed."""
+        return False
+
+    @property
+    def name(self):
+        """Return the display name of this sensor."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return true if the sensor is on."""
+        return self._state
diff --git a/homeassistant/components/cover/velbus.py b/homeassistant/components/cover/velbus.py
new file mode 100644
index 00000000000..ab5d6e8ef79
--- /dev/null
+++ b/homeassistant/components/cover/velbus.py
@@ -0,0 +1,160 @@
+"""
+Support for Velbus covers.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/cover.velbus/
+"""
+import logging
+import asyncio
+import time
+
+import voluptuous as vol
+
+from homeassistant.components.cover import (
+    CoverDevice, PLATFORM_SCHEMA, SUPPORT_OPEN, SUPPORT_CLOSE,
+    SUPPORT_STOP)
+from homeassistant.components.velbus import DOMAIN
+from homeassistant.const import (CONF_COVERS, CONF_NAME)
+import homeassistant.helpers.config_validation as cv
+
+_LOGGER = logging.getLogger(__name__)
+
+COVER_SCHEMA = vol.Schema({
+    vol.Required('module'): cv.positive_int,
+    vol.Required('open_channel'): cv.positive_int,
+    vol.Required('close_channel'): cv.positive_int,
+    vol.Required(CONF_NAME): cv.string
+})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_COVERS): vol.Schema({cv.slug: COVER_SCHEMA}),
+})
+
+DEPENDENCIES = ['velbus']
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up cover controlled by Velbus."""
+    devices = config.get(CONF_COVERS, {})
+    covers = []
+
+    velbus = hass.data[DOMAIN]
+    for device_name, device_config in devices.items():
+        covers.append(
+            VelbusCover(
+                velbus,
+                device_config.get(CONF_NAME, device_name),
+                device_config.get('module'),
+                device_config.get('open_channel'),
+                device_config.get('close_channel')
+            )
+        )
+
+    if not covers:
+        _LOGGER.error("No covers added")
+        return False
+
+    add_devices(covers)
+
+
+class VelbusCover(CoverDevice):
+    """Representation a Velbus cover."""
+
+    def __init__(self, velbus, name, module, open_channel, close_channel):
+        """Initialize the cover."""
+        self._velbus = velbus
+        self._name = name
+        self._close_channel_state = None
+        self._open_channel_state = None
+        self._module = module
+        self._open_channel = open_channel
+        self._close_channel = close_channel
+
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Add listener for Velbus messages on bus."""
+        def _init_velbus():
+            """Initialize Velbus on startup."""
+            self._velbus.subscribe(self._on_message)
+            self.get_status()
+
+        yield from self.hass.async_add_job(_init_velbus)
+
+    def _on_message(self, message):
+        import velbus
+        if isinstance(message, velbus.RelayStatusMessage):
+            if message.address == self._module:
+                if message.channel == self._close_channel:
+                    self._close_channel_state = message.is_on()
+                    self.schedule_update_ha_state()
+                if message.channel == self._open_channel:
+                    self._open_channel_state = message.is_on()
+                    self.schedule_update_ha_state()
+
+    @property
+    def supported_features(self):
+        """Flag supported features."""
+        return SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_STOP
+
+    @property
+    def should_poll(self):
+        """Disable polling."""
+        return False
+
+    @property
+    def name(self):
+        """Return the name of the cover."""
+        return self._name
+
+    @property
+    def is_closed(self):
+        """Return if the cover is closed."""
+        return self._close_channel_state
+
+    @property
+    def current_cover_position(self):
+        """Return current position of cover.
+
+        None is unknown.
+        """
+        return None
+
+    def _relay_off(self, channel):
+        import velbus
+        message = velbus.SwitchRelayOffMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [channel]
+        self._velbus.send(message)
+
+    def _relay_on(self, channel):
+        import velbus
+        message = velbus.SwitchRelayOnMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [channel]
+        self._velbus.send(message)
+
+    def open_cover(self, **kwargs):
+        """Open the cover."""
+        self._relay_off(self._close_channel)
+        time.sleep(0.3)
+        self._relay_on(self._open_channel)
+
+    def close_cover(self, **kwargs):
+        """Close the cover."""
+        self._relay_off(self._open_channel)
+        time.sleep(0.3)
+        self._relay_on(self._close_channel)
+
+    def stop_cover(self, **kwargs):
+        """Stop the cover."""
+        self._relay_off(self._open_channel)
+        time.sleep(0.3)
+        self._relay_off(self._close_channel)
+
+    def get_status(self):
+        """Retrieve current status."""
+        import velbus
+        message = velbus.ModuleStatusRequestMessage()
+        message.set_defaults(self._module)
+        message.channels = [self._open_channel, self._close_channel]
+        self._velbus.send(message)
diff --git a/homeassistant/components/fan/velbus.py b/homeassistant/components/fan/velbus.py
new file mode 100644
index 00000000000..c0d125aa5ab
--- /dev/null
+++ b/homeassistant/components/fan/velbus.py
@@ -0,0 +1,187 @@
+"""
+Support for Velbus platform.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/fan.velbus/
+"""
+import asyncio
+import logging
+import voluptuous as vol
+
+from homeassistant.components.fan import (
+    SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH, FanEntity, SUPPORT_SET_SPEED,
+    PLATFORM_SCHEMA)
+from homeassistant.components.velbus import DOMAIN
+from homeassistant.const import CONF_NAME, CONF_DEVICES, STATE_OFF
+import homeassistant.helpers.config_validation as cv
+
+DEPENDENCIES = ['velbus']
+
+_LOGGER = logging.getLogger(__name__)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_DEVICES): vol.All(cv.ensure_list, [
+        {
+            vol.Required('module'): cv.positive_int,
+            vol.Required('channel_low'): cv.positive_int,
+            vol.Required('channel_medium'): cv.positive_int,
+            vol.Required('channel_high'): cv.positive_int,
+            vol.Required(CONF_NAME): cv.string,
+        }
+    ])
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up Fans."""
+    velbus = hass.data[DOMAIN]
+    add_devices(VelbusFan(fan, velbus) for fan in config[CONF_DEVICES])
+
+
+class VelbusFan(FanEntity):
+    """Representation of a Velbus Fan."""
+
+    def __init__(self, fan, velbus):
+        """Initialize a Velbus light."""
+        self._velbus = velbus
+        self._name = fan[CONF_NAME]
+        self._module = fan['module']
+        self._channel_low = fan['channel_low']
+        self._channel_medium = fan['channel_medium']
+        self._channel_high = fan['channel_high']
+        self._channels = [self._channel_low, self._channel_medium,
+                          self._channel_high]
+        self._channels_state = [False, False, False]
+        self._speed = STATE_OFF
+
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Add listener for Velbus messages on bus."""
+        def _init_velbus():
+            """Initialize Velbus on startup."""
+            self._velbus.subscribe(self._on_message)
+            self.get_status()
+
+        yield from self.hass.async_add_job(_init_velbus)
+
+    def _on_message(self, message):
+        import velbus
+        if isinstance(message, velbus.RelayStatusMessage) and \
+           message.address == self._module and \
+           message.channel in self._channels:
+            if message.channel == self._channel_low:
+                self._channels_state[0] = message.is_on()
+            elif message.channel == self._channel_medium:
+                self._channels_state[1] = message.is_on()
+            elif message.channel == self._channel_high:
+                self._channels_state[2] = message.is_on()
+            self._calculate_speed()
+            self.schedule_update_ha_state()
+
+    def _calculate_speed(self):
+        if self._is_off():
+            self._speed = STATE_OFF
+        elif self._is_low():
+            self._speed = SPEED_LOW
+        elif self._is_medium():
+            self._speed = SPEED_MEDIUM
+        elif self._is_high():
+            self._speed = SPEED_HIGH
+
+    def _is_off(self):
+        return self._channels_state[0] is False and \
+               self._channels_state[1] is False and \
+               self._channels_state[2] is False
+
+    def _is_low(self):
+        return self._channels_state[0] is True and \
+               self._channels_state[1] is False and \
+               self._channels_state[2] is False
+
+    def _is_medium(self):
+        return self._channels_state[0] is True and \
+               self._channels_state[1] is True and \
+               self._channels_state[2] is False
+
+    def _is_high(self):
+        return self._channels_state[0] is True and \
+               self._channels_state[1] is False and \
+               self._channels_state[2] is True
+
+    @property
+    def name(self):
+        """Return the display name of this light."""
+        return self._name
+
+    @property
+    def should_poll(self):
+        """Disable polling."""
+        return False
+
+    @property
+    def speed(self):
+        """Return the current speed."""
+        return self._speed
+
+    @property
+    def speed_list(self):
+        """Get the list of available speeds."""
+        return [STATE_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
+
+    def turn_on(self, speed, **kwargs):
+        """Turn on the entity."""
+        if speed is None:
+            speed = SPEED_MEDIUM
+        self.set_speed(speed)
+
+    def turn_off(self):
+        """Turn off the entity."""
+        self.set_speed(STATE_OFF)
+
+    def set_speed(self, speed):
+        """Set the speed of the fan."""
+        channels_off = []
+        channels_on = []
+        if speed == STATE_OFF:
+            channels_off = self._channels
+        elif speed == SPEED_LOW:
+            channels_off = [self._channel_medium, self._channel_high]
+            channels_on = [self._channel_low]
+        elif speed == SPEED_MEDIUM:
+            channels_off = [self._channel_high]
+            channels_on = [self._channel_low, self._channel_medium]
+        elif speed == SPEED_HIGH:
+            channels_off = [self._channel_medium]
+            channels_on = [self._channel_low, self._channel_high]
+        for channel in channels_off:
+            self._relay_off(channel)
+        for channel in channels_on:
+            self._relay_on(channel)
+        self.schedule_update_ha_state()
+
+    def _relay_on(self, channel):
+        import velbus
+        message = velbus.SwitchRelayOnMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [channel]
+        self._velbus.send(message)
+
+    def _relay_off(self, channel):
+        import velbus
+        message = velbus.SwitchRelayOffMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [channel]
+        self._velbus.send(message)
+
+    def get_status(self):
+        """Retrieve current status."""
+        import velbus
+        message = velbus.ModuleStatusRequestMessage()
+        message.set_defaults(self._module)
+        message.channels = self._channels
+        self._velbus.send(message)
+
+    @property
+    def supported_features(self):
+        """Flag supported features."""
+        return SUPPORT_SET_SPEED
diff --git a/homeassistant/components/light/velbus.py b/homeassistant/components/light/velbus.py
new file mode 100644
index 00000000000..8a02b36b75f
--- /dev/null
+++ b/homeassistant/components/light/velbus.py
@@ -0,0 +1,104 @@
+"""
+Support for Velbus lights.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/light.velbus/
+"""
+import asyncio
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import CONF_NAME, CONF_DEVICES
+from homeassistant.components.light import Light, PLATFORM_SCHEMA
+from homeassistant.components.velbus import DOMAIN
+import homeassistant.helpers.config_validation as cv
+
+DEPENDENCIES = ['velbus']
+
+_LOGGER = logging.getLogger(__name__)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_DEVICES): vol.All(cv.ensure_list, [
+        {
+            vol.Required('module'): cv.positive_int,
+            vol.Required('channel'): cv.positive_int,
+            vol.Required(CONF_NAME): cv.string
+        }
+    ])
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up Lights."""
+    velbus = hass.data[DOMAIN]
+    add_devices(VelbusLight(light, velbus) for light in config[CONF_DEVICES])
+
+
+class VelbusLight(Light):
+    """Representation of a Velbus Light."""
+
+    def __init__(self, light, velbus):
+        """Initialize a Velbus light."""
+        self._velbus = velbus
+        self._name = light[CONF_NAME]
+        self._module = light['module']
+        self._channel = light['channel']
+        self._state = False
+
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Add listener for Velbus messages on bus."""
+        def _init_velbus():
+            """Initialize Velbus on startup."""
+            self._velbus.subscribe(self._on_message)
+            self.get_status()
+
+        yield from self.hass.async_add_job(_init_velbus)
+
+    def _on_message(self, message):
+        import velbus
+        if isinstance(message, velbus.RelayStatusMessage) and \
+           message.address == self._module and \
+           message.channel == self._channel:
+            self._state = message.is_on()
+            self.schedule_update_ha_state()
+
+    @property
+    def name(self):
+        """Return the display name of this light."""
+        return self._name
+
+    @property
+    def should_poll(self):
+        """Disable polling."""
+        return False
+
+    @property
+    def is_on(self):
+        """Return true if the light is on."""
+        return self._state
+
+    def turn_on(self, **kwargs):
+        """Instruct the light to turn on."""
+        import velbus
+        message = velbus.SwitchRelayOnMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [self._channel]
+        self._velbus.send(message)
+
+    def turn_off(self, **kwargs):
+        """Instruct the light to turn off."""
+        import velbus
+        message = velbus.SwitchRelayOffMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [self._channel]
+        self._velbus.send(message)
+
+    def get_status(self):
+        """Retrieve current status."""
+        import velbus
+        message = velbus.ModuleStatusRequestMessage()
+        message.set_defaults(self._module)
+        message.channels = [self._channel]
+        self._velbus.send(message)
diff --git a/homeassistant/components/switch/velbus.py b/homeassistant/components/switch/velbus.py
new file mode 100644
index 00000000000..15090091a52
--- /dev/null
+++ b/homeassistant/components/switch/velbus.py
@@ -0,0 +1,111 @@
+"""
+Support for Velbus switches.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/switch.velbus/
+"""
+
+import asyncio
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import CONF_NAME, CONF_DEVICES
+from homeassistant.components.switch import SwitchDevice, PLATFORM_SCHEMA
+from homeassistant.components.velbus import DOMAIN
+import homeassistant.helpers.config_validation as cv
+
+_LOGGER = logging.getLogger(__name__)
+
+SWITCH_SCHEMA = {
+    vol.Required('module'): cv.positive_int,
+    vol.Required('channel'): cv.positive_int,
+    vol.Required(CONF_NAME): cv.string
+}
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_DEVICES):
+        vol.All(cv.ensure_list, [SWITCH_SCHEMA])
+})
+
+DEPENDENCIES = ['velbus']
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Switch."""
+    velbus = hass.data[DOMAIN]
+    devices = []
+
+    for switch in config[CONF_DEVICES]:
+        devices.append(VelbusSwitch(switch, velbus))
+    add_devices(devices)
+    return True
+
+
+class VelbusSwitch(SwitchDevice):
+    """Representation of a switch."""
+
+    def __init__(self, switch, velbus):
+        """Initialize a Velbus switch."""
+        self._velbus = velbus
+        self._name = switch[CONF_NAME]
+        self._module = switch['module']
+        self._channel = switch['channel']
+        self._state = False
+
+    @asyncio.coroutine
+    def async_added_to_hass(self):
+        """Add listener for Velbus messages on bus."""
+        def _init_velbus():
+            """Initialize Velbus on startup."""
+            self._velbus.subscribe(self._on_message)
+            self.get_status()
+
+        yield from self.hass.async_add_job(_init_velbus)
+
+    def _on_message(self, message):
+        import velbus
+        if isinstance(message, velbus.RelayStatusMessage) and \
+           message.address == self._module and \
+           message.channel == self._channel:
+            self._state = message.is_on()
+            self.schedule_update_ha_state()
+
+    @property
+    def name(self):
+        """Return the display name of this switch."""
+        return self._name
+
+    @property
+    def should_poll(self):
+        """Disable polling."""
+        return False
+
+    @property
+    def is_on(self):
+        """Return true if the switch is on."""
+        return self._state
+
+    def turn_on(self, **kwargs):
+        """Instruct the switch to turn on."""
+        import velbus
+        message = velbus.SwitchRelayOnMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [self._channel]
+        self._velbus.send(message)
+
+    def turn_off(self, **kwargs):
+        """Instruct the switch to turn off."""
+        import velbus
+        message = velbus.SwitchRelayOffMessage()
+        message.set_defaults(self._module)
+        message.relay_channels = [self._channel]
+        self._velbus.send(message)
+
+    def get_status(self):
+        """Retrieve current status."""
+        import velbus
+        message = velbus.ModuleStatusRequestMessage()
+        message.set_defaults(self._module)
+        message.channels = [self._channel]
+        self._velbus.send(message)
diff --git a/homeassistant/components/velbus.py b/homeassistant/components/velbus.py
new file mode 100644
index 00000000000..ff2db955d31
--- /dev/null
+++ b/homeassistant/components/velbus.py
@@ -0,0 +1,43 @@
+"""
+Support for Velbus platform.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/velbus/
+"""
+import logging
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import EVENT_HOMEASSISTANT_STOP, CONF_PORT
+
+REQUIREMENTS = ['python-velbus==2.0.11']
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = 'velbus'
+
+
+VELBUS_MESSAGE = 'velbus.message'
+
+CONFIG_SCHEMA = vol.Schema({
+    DOMAIN: vol.Schema({
+        vol.Required(CONF_PORT): cv.string,
+    })
+}, extra=vol.ALLOW_EXTRA)
+
+
+def setup(hass, config):
+    """Set up the Velbus platform."""
+    import velbus
+    port = config[DOMAIN].get(CONF_PORT)
+    connection = velbus.VelbusUSBConnection(port)
+    controller = velbus.Controller(connection)
+    hass.data[DOMAIN] = controller
+
+    def stop_velbus(event):
+        """Disconnect from serial port."""
+        _LOGGER.debug("Shutting down ")
+        connection.stop()
+
+    hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop_velbus)
+    return True
diff --git a/requirements_all.txt b/requirements_all.txt
index 9820d0888cd..aad16af8592 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -761,6 +761,9 @@ python-telegram-bot==6.1.0
 # homeassistant.components.sensor.twitch
 python-twitch==1.3.0
 
+# homeassistant.components.velbus
+python-velbus==2.0.11
+
 # homeassistant.components.media_player.vlc
 python-vlc==1.1.2