6b682d0d81
* Added support for BBB GPIO * Requirements updated * unnecessary pylint statement removed * Changed according arduino switch * typo corrected * Hound errors solved * lint error * Update bbb_gpio.py
100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
"""
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Allows to configure a switch using BBB GPIO.
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Switch example for two GPIOs pins P9_12 and P9_42
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Allowed GPIO pin name is GPIOxxx or Px_x
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switch:
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- platform: bbb_gpio
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pins:
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GPIO0_7:
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name: LED Red
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P9_12:
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name: LED Green
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initial: true
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invert_logic: true
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"""
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import logging
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import voluptuous as vol
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from homeassistant.components.switch import PLATFORM_SCHEMA
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import homeassistant.components.bbb_gpio as bbb_gpio
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from homeassistant.const import (DEVICE_DEFAULT_NAME, CONF_NAME)
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from homeassistant.helpers.entity import ToggleEntity
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['bbb_gpio']
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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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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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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_PINS, default={}):
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vol.Schema({cv.string: PIN_SCHEMA}),
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})
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the Beaglebone 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_devices(switches)
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class BBBGPIOSwitch(ToggleEntity):
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"""Representation of a Beaglebone 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):
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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):
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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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