core/homeassistant/components/enocean/__init__.py

94 lines
2.9 KiB
Python

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