core/homeassistant/components/rfxtrx.py

402 lines
12 KiB
Python

"""
Support for RFXtrx components.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/rfxtrx/
"""
import asyncio
import logging
from collections import OrderedDict
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.util import slugify
from homeassistant.const import (
EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP,
ATTR_ENTITY_ID, TEMP_CELSIUS,
CONF_DEVICES
)
from homeassistant.helpers.entity import Entity
REQUIREMENTS = ['pyRFXtrx==0.21.1']
DOMAIN = 'rfxtrx'
DEFAULT_SIGNAL_REPETITIONS = 1
ATTR_AUTOMATIC_ADD = 'automatic_add'
ATTR_DEVICE = 'device'
ATTR_DEBUG = 'debug'
ATTR_STATE = 'state'
ATTR_NAME = 'name'
ATTR_FIRE_EVENT = 'fire_event'
ATTR_DATA_TYPE = 'data_type'
ATTR_DUMMY = 'dummy'
CONF_DATA_BITS = 'data_bits'
CONF_AUTOMATIC_ADD = 'automatic_add'
CONF_DATA_TYPE = 'data_type'
CONF_SIGNAL_REPETITIONS = 'signal_repetitions'
CONF_FIRE_EVENT = 'fire_event'
CONF_DUMMY = 'dummy'
CONF_DEVICE = 'device'
CONF_DEBUG = 'debug'
CONF_OFF_DELAY = 'off_delay'
EVENT_BUTTON_PRESSED = 'button_pressed'
DATA_TYPES = OrderedDict([
('Temperature', TEMP_CELSIUS),
('Temperature2', TEMP_CELSIUS),
('Humidity', '%'),
('Barometer', ''),
('Wind direction', ''),
('Rain rate', ''),
('Energy usage', 'W'),
('Total usage', 'W'),
('Sound', ''),
('Sensor Status', ''),
('Counter value', ''),
('UV', 'uv')])
RECEIVED_EVT_SUBSCRIBERS = []
RFX_DEVICES = {}
_LOGGER = logging.getLogger(__name__)
DATA_RFXOBJECT = 'rfxobject'
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_DEVICE): cv.string,
vol.Optional(CONF_DEBUG, default=False): cv.boolean,
vol.Optional(CONF_DUMMY, default=False): cv.boolean,
}),
}, extra=vol.ALLOW_EXTRA)
def setup(hass, config):
"""Set up the RFXtrx component."""
# Declare the Handle event
def handle_receive(event):
"""Handle received messages from RFXtrx gateway."""
# Log RFXCOM event
if not event.device.id_string:
return
_LOGGER.debug("Receive RFXCOM event from "
"(Device_id: %s Class: %s Sub: %s, Pkt_id: %s)",
slugify(event.device.id_string.lower()),
event.device.__class__.__name__,
event.device.subtype,
"".join("{0:02x}".format(x) for x in event.data))
# Callback to HA registered components.
for subscriber in RECEIVED_EVT_SUBSCRIBERS:
subscriber(event)
# Try to load the RFXtrx module.
import RFXtrx as rfxtrxmod
device = config[DOMAIN][ATTR_DEVICE]
debug = config[DOMAIN][ATTR_DEBUG]
dummy_connection = config[DOMAIN][ATTR_DUMMY]
if dummy_connection:
rfx_object = rfxtrxmod.Connect(
device, None, debug=debug,
transport_protocol=rfxtrxmod.DummyTransport2)
else:
rfx_object = rfxtrxmod.Connect(device, None, debug=debug)
def _start_rfxtrx(event):
rfx_object.event_callback = handle_receive
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, _start_rfxtrx)
def _shutdown_rfxtrx(event):
"""Close connection with RFXtrx."""
rfx_object.close_connection()
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, _shutdown_rfxtrx)
hass.data[DATA_RFXOBJECT] = rfx_object
return True
def get_rfx_object(packetid):
"""Return the RFXObject with the packetid."""
import RFXtrx as rfxtrxmod
try:
binarypacket = bytearray.fromhex(packetid)
except ValueError:
return None
pkt = rfxtrxmod.lowlevel.parse(binarypacket)
if pkt is None:
return None
if isinstance(pkt, rfxtrxmod.lowlevel.SensorPacket):
obj = rfxtrxmod.SensorEvent(pkt)
elif isinstance(pkt, rfxtrxmod.lowlevel.Status):
obj = rfxtrxmod.StatusEvent(pkt)
else:
obj = rfxtrxmod.ControlEvent(pkt)
return obj
def get_pt2262_deviceid(device_id, nb_data_bits):
"""Extract and return the address bits from a Lighting4/PT2262 packet."""
if nb_data_bits is None:
return
import binascii
try:
data = bytearray.fromhex(device_id)
except ValueError:
return None
mask = 0xFF & ~((1 << nb_data_bits) - 1)
data[len(data)-1] &= mask
return binascii.hexlify(data)
def get_pt2262_cmd(device_id, data_bits):
"""Extract and return the data bits from a Lighting4/PT2262 packet."""
try:
data = bytearray.fromhex(device_id)
except ValueError:
return None
mask = 0xFF & ((1 << data_bits) - 1)
return hex(data[-1] & mask)
# pylint: disable=unused-variable
def get_pt2262_device(device_id):
"""Look for the device which id matches the given device_id parameter."""
for device in RFX_DEVICES.values():
if (hasattr(device, 'is_lighting4') and
device.masked_id == get_pt2262_deviceid(device_id,
device.data_bits)):
_LOGGER.debug("rfxtrx: found matching device %s for %s",
device_id,
device.masked_id)
return device
return None
# pylint: disable=unused-variable
def find_possible_pt2262_device(device_id):
"""Look for the device which id matches the given device_id parameter."""
for dev_id, device in RFX_DEVICES.items():
if hasattr(device, 'is_lighting4') and len(dev_id) == len(device_id):
size = None
for i, (char1, char2) in enumerate(zip(dev_id, device_id)):
if char1 != char2:
break
size = i
if size is not None:
size = len(dev_id) - size - 1
_LOGGER.info("rfxtrx: found possible device %s for %s "
"with the following configuration:\n"
"data_bits=%d\n"
"command_on=0x%s\n"
"command_off=0x%s\n",
device_id,
dev_id,
size * 4,
dev_id[-size:], device_id[-size:])
return device
return None
def get_devices_from_config(config, device):
"""Read rfxtrx configuration."""
signal_repetitions = config[CONF_SIGNAL_REPETITIONS]
devices = []
for packet_id, entity_info in config[CONF_DEVICES].items():
event = get_rfx_object(packet_id)
if event is None:
_LOGGER.error("Invalid device: %s", packet_id)
continue
device_id = slugify(event.device.id_string.lower())
if device_id in RFX_DEVICES:
continue
_LOGGER.debug("Add %s rfxtrx", entity_info[ATTR_NAME])
# Check if i must fire event
fire_event = entity_info[ATTR_FIRE_EVENT]
datas = {ATTR_STATE: False, ATTR_FIRE_EVENT: fire_event}
new_device = device(entity_info[ATTR_NAME], event, datas,
signal_repetitions)
RFX_DEVICES[device_id] = new_device
devices.append(new_device)
return devices
def get_new_device(event, config, device):
"""Add entity if not exist and the automatic_add is True."""
device_id = slugify(event.device.id_string.lower())
if device_id in RFX_DEVICES:
return
if not config[ATTR_AUTOMATIC_ADD]:
return
pkt_id = "".join("{0:02x}".format(x) for x in event.data)
_LOGGER.debug(
"Automatic add %s rfxtrx device (Class: %s Sub: %s Packet_id: %s)",
device_id,
event.device.__class__.__name__,
event.device.subtype,
pkt_id
)
datas = {ATTR_STATE: False, ATTR_FIRE_EVENT: False}
signal_repetitions = config[CONF_SIGNAL_REPETITIONS]
new_device = device(pkt_id, event, datas,
signal_repetitions)
RFX_DEVICES[device_id] = new_device
return new_device
def apply_received_command(event):
"""Apply command from rfxtrx."""
device_id = slugify(event.device.id_string.lower())
# Check if entity exists or previously added automatically
if device_id not in RFX_DEVICES:
return
_LOGGER.debug(
"Device_id: %s device_update. Command: %s",
device_id,
event.values['Command']
)
if event.values['Command'] == 'On'\
or event.values['Command'] == 'Off':
# Update the rfxtrx device state
is_on = event.values['Command'] == 'On'
RFX_DEVICES[device_id].update_state(is_on)
elif hasattr(RFX_DEVICES[device_id], 'brightness')\
and event.values['Command'] == 'Set level':
_brightness = (event.values['Dim level'] * 255 // 100)
# Update the rfxtrx device state
is_on = _brightness > 0
RFX_DEVICES[device_id].update_state(is_on, _brightness)
# Fire event
if RFX_DEVICES[device_id].should_fire_event:
RFX_DEVICES[device_id].hass.bus.fire(
EVENT_BUTTON_PRESSED, {
ATTR_ENTITY_ID:
RFX_DEVICES[device_id].entity_id,
ATTR_STATE: event.values['Command'].lower()
}
)
_LOGGER.debug(
"Rfxtrx fired event: (event_type: %s, %s: %s, %s: %s)",
EVENT_BUTTON_PRESSED,
ATTR_ENTITY_ID,
RFX_DEVICES[device_id].entity_id,
ATTR_STATE,
event.values['Command'].lower()
)
class RfxtrxDevice(Entity):
"""Represents a Rfxtrx device.
Contains the common logic for Rfxtrx lights and switches.
"""
def __init__(self, name, event, datas, signal_repetitions):
"""Initialize the device."""
self.signal_repetitions = signal_repetitions
self._name = name
self._event = event
self._state = datas[ATTR_STATE]
self._should_fire_event = datas[ATTR_FIRE_EVENT]
self._brightness = 0
self.added_to_hass = False
@asyncio.coroutine
def async_added_to_hass(self):
"""Subscribe RFXtrx events."""
self.added_to_hass = True
@property
def should_poll(self):
"""No polling needed for a RFXtrx switch."""
return False
@property
def name(self):
"""Return the name of the device if any."""
return self._name
@property
def should_fire_event(self):
"""Return is the device must fire event."""
return self._should_fire_event
@property
def is_on(self):
"""Return true if device is on."""
return self._state
@property
def assumed_state(self):
"""Return true if unable to access real state of entity."""
return True
def turn_off(self, **kwargs):
"""Turn the device off."""
self._send_command("turn_off")
def update_state(self, state, brightness=0):
"""Update det state of the device."""
self._state = state
self._brightness = brightness
if self.added_to_hass:
self.schedule_update_ha_state()
def _send_command(self, command, brightness=0):
if not self._event:
return
rfx_object = self.hass.data[DATA_RFXOBJECT]
if command == "turn_on":
for _ in range(self.signal_repetitions):
self._event.device.send_on(rfx_object.transport)
self._state = True
elif command == "dim":
for _ in range(self.signal_repetitions):
self._event.device.send_dim(rfx_object.transport, brightness)
self._state = True
elif command == 'turn_off':
for _ in range(self.signal_repetitions):
self._event.device.send_off(rfx_object.transport)
self._state = False
self._brightness = 0
elif command == "roll_up":
for _ in range(self.signal_repetitions):
self._event.device.send_open(rfx_object.transport)
elif command == "roll_down":
for _ in range(self.signal_repetitions):
self._event.device.send_close(rfx_object.transport)
elif command == "stop_roll":
for _ in range(self.signal_repetitions):
self._event.device.send_stop(rfx_object.transport)
if self.added_to_hass:
self.schedule_update_ha_state()