115 lines
3.3 KiB
Python
115 lines
3.3 KiB
Python
"""Switch platform integration for Numato USB GPIO expanders."""
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import logging
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from numato_gpio import NumatoGpioError
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from homeassistant.const import (
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CONF_DEVICES,
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CONF_ID,
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CONF_SWITCHES,
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DEVICE_DEFAULT_NAME,
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)
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from homeassistant.helpers.entity import ToggleEntity
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from . import CONF_INVERT_LOGIC, CONF_PORTS, DATA_API, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the configured Numato USB GPIO switch ports."""
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if discovery_info is None:
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return
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api = hass.data[DOMAIN][DATA_API]
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switches = []
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devices = hass.data[DOMAIN][CONF_DEVICES]
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for device in [d for d in devices if CONF_SWITCHES in d]:
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device_id = device[CONF_ID]
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platform = device[CONF_SWITCHES]
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invert_logic = platform[CONF_INVERT_LOGIC]
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ports = platform[CONF_PORTS]
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for port, port_name in ports.items():
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try:
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api.setup_output(device_id, port)
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api.write_output(device_id, port, 1 if invert_logic else 0)
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except NumatoGpioError as err:
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_LOGGER.error(
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"Failed to initialize switch '%s' on Numato device %s port %s: %s",
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port_name,
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device_id,
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port,
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err,
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)
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continue
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switches.append(
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NumatoGpioSwitch(
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port_name,
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device_id,
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port,
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invert_logic,
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api,
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)
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)
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add_entities(switches, True)
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class NumatoGpioSwitch(ToggleEntity):
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"""Representation of a Numato USB GPIO switch port."""
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def __init__(self, name, device_id, port, invert_logic, api):
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"""Initialize the port."""
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self._name = name or DEVICE_DEFAULT_NAME
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self._device_id = device_id
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self._port = port
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self._invert_logic = invert_logic
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self._state = False
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self._api = api
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@property
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def name(self):
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"""Return the name of the switch."""
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return self._name
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def is_on(self):
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"""Return true if port is turned on."""
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return self._state
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def turn_on(self, **kwargs):
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"""Turn the port on."""
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try:
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self._api.write_output(
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self._device_id, self._port, 0 if self._invert_logic else 1
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)
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self._state = True
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self.schedule_update_ha_state()
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except NumatoGpioError as err:
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_LOGGER.error(
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"Failed to turn on Numato device %s port %s: %s",
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self._device_id,
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self._port,
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err,
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)
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def turn_off(self, **kwargs):
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"""Turn the port off."""
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try:
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self._api.write_output(
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self._device_id, self._port, 1 if self._invert_logic else 0
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)
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self._state = False
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self.schedule_update_ha_state()
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except NumatoGpioError as err:
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_LOGGER.error(
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"Failed to turn off Numato device %s port %s: %s",
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self._device_id,
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self._port,
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err,
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)
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