94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
"""Support for EnOcean devices."""
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import logging
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import voluptuous as vol
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from homeassistant.const import CONF_DEVICE
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from homeassistant.helpers.entity import Entity
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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DOMAIN = "enocean"
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DATA_ENOCEAN = "enocean"
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CONFIG_SCHEMA = vol.Schema(
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{DOMAIN: vol.Schema({vol.Required(CONF_DEVICE): cv.string})}, extra=vol.ALLOW_EXTRA
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)
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SIGNAL_RECEIVE_MESSAGE = "enocean.receive_message"
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SIGNAL_SEND_MESSAGE = "enocean.send_message"
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def setup(hass, config):
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"""Set up the EnOcean component."""
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serial_dev = config[DOMAIN].get(CONF_DEVICE)
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dongle = EnOceanDongle(hass, serial_dev)
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hass.data[DATA_ENOCEAN] = dongle
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return True
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class EnOceanDongle:
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"""Representation of an EnOcean dongle."""
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def __init__(self, hass, ser):
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"""Initialize the EnOcean dongle."""
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from enocean.communicators.serialcommunicator import SerialCommunicator
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self.__communicator = SerialCommunicator(port=ser, callback=self.callback)
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self.__communicator.start()
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self.hass = hass
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self.hass.helpers.dispatcher.dispatcher_connect(
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SIGNAL_SEND_MESSAGE, self._send_message_callback
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)
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def _send_message_callback(self, command):
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"""Send a command through the EnOcean dongle."""
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self.__communicator.send(command)
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def callback(self, packet):
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"""Handle EnOcean device's callback.
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This is the callback function called by python-enocan whenever there
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is an incoming packet.
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"""
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from enocean.protocol.packet import RadioPacket
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if isinstance(packet, RadioPacket):
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_LOGGER.debug("Received radio packet: %s", packet)
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self.hass.helpers.dispatcher.dispatcher_send(SIGNAL_RECEIVE_MESSAGE, packet)
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class EnOceanDevice(Entity):
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"""Parent class for all devices associated with the EnOcean component."""
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def __init__(self, dev_id, dev_name="EnOcean device"):
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"""Initialize the device."""
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self.dev_id = dev_id
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self.dev_name = dev_name
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async def async_added_to_hass(self):
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"""Register callbacks."""
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self.hass.helpers.dispatcher.async_dispatcher_connect(
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SIGNAL_RECEIVE_MESSAGE, self._message_received_callback
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)
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def _message_received_callback(self, packet):
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"""Handle incoming packets."""
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from enocean.utils import combine_hex
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if packet.sender_int == combine_hex(self.dev_id):
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self.value_changed(packet)
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def value_changed(self, packet):
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"""Update the internal state of the device when a packet arrives."""
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# pylint: disable=no-self-use
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def send_command(self, data, optional, packet_type):
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"""Send a command via the EnOcean dongle."""
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from enocean.protocol.packet import Packet
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packet = Packet(packet_type, data=data, optional=optional)
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self.hass.helpers.dispatcher.dispatcher_send(SIGNAL_SEND_MESSAGE, packet)
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