84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
"""Allows to configure a switch using BeagleBone Black GPIO."""
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import logging
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import voluptuous as vol
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from homeassistant.components import bbb_gpio
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from homeassistant.components.switch import PLATFORM_SCHEMA
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from homeassistant.const import CONF_NAME, DEVICE_DEFAULT_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import ToggleEntity
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_LOGGER = logging.getLogger(__name__)
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CONF_PINS = "pins"
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CONF_INITIAL = "initial"
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CONF_INVERT_LOGIC = "invert_logic"
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PIN_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_NAME): cv.string,
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vol.Optional(CONF_INITIAL, default=False): cv.boolean,
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vol.Optional(CONF_INVERT_LOGIC, default=False): cv.boolean,
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}
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)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_PINS, default={}): vol.Schema({cv.string: PIN_SCHEMA})}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the BeagleBone Black GPIO devices."""
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pins = config.get(CONF_PINS)
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switches = []
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for pin, params in pins.items():
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switches.append(BBBGPIOSwitch(pin, params))
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add_entities(switches)
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class BBBGPIOSwitch(ToggleEntity):
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"""Representation of a BeagleBone Black GPIO."""
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def __init__(self, pin, params):
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"""Initialize the pin."""
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self._pin = pin
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self._name = params.get(CONF_NAME) or DEVICE_DEFAULT_NAME
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self._state = params.get(CONF_INITIAL)
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self._invert_logic = params.get(CONF_INVERT_LOGIC)
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bbb_gpio.setup_output(self._pin)
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if self._state is False:
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bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
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else:
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bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
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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 device is on."""
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return self._state
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def turn_on(self, **kwargs):
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"""Turn the device on."""
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bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
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self._state = True
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
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self._state = False
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self.schedule_update_ha_state()
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