From 6b682d0d81517a7e9be93c8a0918d69d6c5ed785 Mon Sep 17 00:00:00 2001
From: Martin Vacula <vacula@gmail.com>
Date: Thu, 5 Jan 2017 20:53:48 +0100
Subject: [PATCH] Beaglebone black GPIO control by switch v2 (#4908)
* 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
---
.coveragerc | 3 +
homeassistant/components/bbb_gpio.py | 68 +++++++++++++
homeassistant/components/switch/bbb_gpio.py | 100 ++++++++++++++++++++
requirements_all.txt | 3 +
4 files changed, 174 insertions(+)
create mode 100644 homeassistant/components/bbb_gpio.py
create mode 100644 homeassistant/components/switch/bbb_gpio.py
diff --git a/.coveragerc b/.coveragerc
index 9d53970762d..cee3448936c 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -13,6 +13,9 @@ omit =
homeassistant/components/arduino.py
homeassistant/components/*/arduino.py
+ homeassistant/components/bbb_gpio.py
+ homeassistant/components/*/bbb_gpio.py
+
homeassistant/components/bloomsky.py
homeassistant/components/*/bloomsky.py
diff --git a/homeassistant/components/bbb_gpio.py b/homeassistant/components/bbb_gpio.py
new file mode 100644
index 00000000000..e85c027882f
--- /dev/null
+++ b/homeassistant/components/bbb_gpio.py
@@ -0,0 +1,68 @@
+"""
+Support for controlling GPIO pins of a Beaglebone Black.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/bbb_gpio/
+"""
+import logging
+
+from homeassistant.const import (
+ EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP)
+
+REQUIREMENTS = ['Adafruit_BBIO==1.0.0']
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = 'bbb_gpio'
+
+
+# pylint: disable=no-member
+def setup(hass, config):
+ """Setup the Beaglebone black GPIO component."""
+ import Adafruit_BBIO.GPIO as GPIO
+
+ def cleanup_gpio(event):
+ """Stuff to do before stopping."""
+ GPIO.cleanup()
+
+ def prepare_gpio(event):
+ """Stuff to do when home assistant starts."""
+ hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, cleanup_gpio)
+
+ hass.bus.listen_once(EVENT_HOMEASSISTANT_START, prepare_gpio)
+ return True
+
+
+def setup_output(pin):
+ """Setup a GPIO as output."""
+ import Adafruit_BBIO.GPIO as GPIO
+ GPIO.setup(pin, GPIO.OUT)
+
+
+def setup_input(pin, pull_mode):
+ """Setup a GPIO as input."""
+ import Adafruit_BBIO.GPIO as GPIO
+ GPIO.setup(pin, GPIO.IN,
+ GPIO.PUD_DOWN if pull_mode == 'DOWN' else GPIO.PUD_UP)
+
+
+def write_output(pin, value):
+ """Write a value to a GPIO."""
+ import Adafruit_BBIO.GPIO as GPIO
+ GPIO.output(pin, value)
+
+
+def read_input(pin):
+ """Read a value from a GPIO."""
+ import Adafruit_BBIO.GPIO as GPIO
+ return GPIO.input(pin)
+
+
+def edge_detect(pin, event_callback, bounce):
+ """Add detection for RISING and FALLING events."""
+ import Adafruit_BBIO.GPIO as GPIO
+ GPIO.add_event_detect(
+ pin,
+ GPIO.BOTH,
+ callback=event_callback,
+ bouncetime=bounce)
diff --git a/homeassistant/components/switch/bbb_gpio.py b/homeassistant/components/switch/bbb_gpio.py
new file mode 100644
index 00000000000..f765cb95e1f
--- /dev/null
+++ b/homeassistant/components/switch/bbb_gpio.py
@@ -0,0 +1,100 @@
+"""
+Allows to configure a switch using BBB GPIO.
+
+Switch example for two GPIOs pins P9_12 and P9_42
+Allowed GPIO pin name is GPIOxxx or Px_x
+
+switch:
+ - platform: bbb_gpio
+ pins:
+ GPIO0_7:
+ name: LED Red
+ P9_12:
+ name: LED Green
+ initial: true
+ invert_logic: true
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.switch import PLATFORM_SCHEMA
+import homeassistant.components.bbb_gpio as bbb_gpio
+from homeassistant.const import (DEVICE_DEFAULT_NAME, CONF_NAME)
+from homeassistant.helpers.entity import ToggleEntity
+import homeassistant.helpers.config_validation as cv
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['bbb_gpio']
+
+CONF_PINS = 'pins'
+CONF_INITIAL = 'initial'
+CONF_INVERT_LOGIC = 'invert_logic'
+
+PIN_SCHEMA = vol.Schema({
+ vol.Required(CONF_NAME): cv.string,
+ vol.Optional(CONF_INITIAL, default=False): cv.boolean,
+ vol.Optional(CONF_INVERT_LOGIC, default=False): cv.boolean,
+})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+ vol.Required(CONF_PINS, default={}):
+ vol.Schema({cv.string: PIN_SCHEMA}),
+})
+
+
+# pylint: disable=unused-argument
+def setup_platform(hass, config, add_devices, discovery_info=None):
+ """Setup the Beaglebone GPIO devices."""
+ pins = config.get(CONF_PINS)
+
+ switches = []
+ for pin, params in pins.items():
+ switches.append(BBBGPIOSwitch(pin, params))
+ add_devices(switches)
+
+
+class BBBGPIOSwitch(ToggleEntity):
+ """Representation of a Beaglebone GPIO."""
+
+ def __init__(self, pin, params):
+ """Initialize the pin."""
+ self._pin = pin
+ self._name = params.get(CONF_NAME) or DEVICE_DEFAULT_NAME
+ self._state = params.get(CONF_INITIAL)
+ self._invert_logic = params.get(CONF_INVERT_LOGIC)
+
+ bbb_gpio.setup_output(self._pin)
+
+ if self._state is False:
+ bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
+ else:
+ bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
+
+ @property
+ def name(self):
+ """Return the name of the switch."""
+ return self._name
+
+ @property
+ def should_poll(self):
+ """No polling needed."""
+ return False
+
+ @property
+ def is_on(self):
+ """Return true if device is on."""
+ return self._state
+
+ def turn_on(self):
+ """Turn the device on."""
+ bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
+ self._state = True
+ self.schedule_update_ha_state()
+
+ def turn_off(self):
+ """Turn the device off."""
+ bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
+ self._state = False
+ self.schedule_update_ha_state()
diff --git a/requirements_all.txt b/requirements_all.txt
index c55dab4738b..dd43d13fd4f 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -12,6 +12,9 @@ async_timeout==1.1.0
# homeassistant.components.nuimo_controller
--only-binary=all http://github.com/getSenic/nuimo-linux-python/archive/29fc42987f74d8090d0e2382e8f248ff5990b8c9.zip#nuimo==1.0.0
+# homeassistant.components.bbb_gpio
+Adafruit_BBIO==1.0.0
+
# homeassistant.components.isy994
PyISY==1.0.7
--
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