Support for pi4ioe5v9xxxx I2C IO expanders

.coveragerc

@@ -525,6 +525,8 @@ omit =
     homeassistant/components/pencom/switch.py
     homeassistant/components/philips_js/media_player.py
     homeassistant/components/pi_hole/sensor.py
+    homeassistant/components/pi4ioe5v9xxxx/binary_sensor.py
+    homeassistant/components/pi4ioe5v9xxxx/switch.py
     homeassistant/components/picotts/tts.py
     homeassistant/components/piglow/light.py
     homeassistant/components/pilight/*

CODEOWNERS

@@ -280,6 +280,7 @@ homeassistant/components/panel_iframe/* @home-assistant/frontend
 homeassistant/components/pcal9535a/* @Shulyaka
 homeassistant/components/persistent_notification/* @home-assistant/core
 homeassistant/components/philips_js/* @elupus
+homeassistant/components/pi4ioe5v9xxxx/* @antonverburg
 homeassistant/components/pi_hole/* @fabaff @johnluetke
 homeassistant/components/pilight/* @trekky12
 homeassistant/components/plaato/* @JohNan

homeassistant/components/pi4ioe5v9xxxx/__init__.py

@@ -0,0 +1 @@
+"""Support for controlling IO expanders from Digital.com (PI4IOE5V9570, PI4IOE5V9674, PI4IOE5V9673, PI4IOE5V96224,  PI4IOE5V96248)."""

homeassistant/components/pi4ioe5v9xxxx/binary_sensor.py

@@ -0,0 +1,80 @@
+"""Support for binary sensor using RPi GPIO."""
+import logging
+
+from pi4ioe5v9xxxx import pi4ioe5v9xxxx  # pylint: disable=import-error
+import voluptuous as vol
+
+from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorDevice
+from homeassistant.const import DEVICE_DEFAULT_NAME
+import homeassistant.helpers.config_validation as cv
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_INVERT_LOGIC = "invert_logic"
+CONF_PINS = "pins"
+CONF_I2CBUS = "i2c_bus"
+CONF_I2CADDR = "i2c_address"
+CONF_BITS = "bits"
+
+DEFAULT_INVERT_LOGIC = False
+DEFAULT_BITS = 24
+DEFAULT_BUS = 1
+DEFAULT_ADDR = 0x20
+
+
+_SENSORS_SCHEMA = vol.Schema({cv.positive_int: cv.string})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
+    {
+        vol.Required(CONF_PINS): _SENSORS_SCHEMA,
+        vol.Optional(CONF_I2CBUS, default=DEFAULT_BUS): cv.positive_int,
+        vol.Optional(CONF_I2CADDR, default=DEFAULT_ADDR): cv.positive_int,
+        vol.Optional(CONF_BITS, default=DEFAULT_BITS): cv.positive_int,
+        vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
+    }
+)
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the IO expander devices."""
+    pins = config[CONF_PINS]
+    binary_sensors = []
+
+    pi4ioe5v9xxxx.setup(
+        i2c_bus=config[CONF_I2CBUS],
+        i2c_addr=config[CONF_I2CADDR],
+        bits=config[CONF_BITS],
+        read_mode=True,
+        invert=False,
+    )
+    for pin_num, pin_name in pins.items():
+        binary_sensors.append(
+            Pi4ioe5v9BinarySensor(pin_name, pin_num, config[CONF_INVERT_LOGIC])
+        )
+    add_entities(binary_sensors, True)
+
+
+class Pi4ioe5v9BinarySensor(BinarySensorDevice):
+    """Represent a binary sensor that uses pi4ioe5v9xxxx IO expander in read mode."""
+
+    def __init__(self, name, pin, invert_logic):
+        """Initialize the pi4ioe5v9xxxx sensor."""
+        self._name = name or DEVICE_DEFAULT_NAME
+        self._pin = pin
+        self._invert_logic = invert_logic
+        self._state = pi4ioe5v9xxxx.pin_from_memory(self._pin)
+
+    @property
+    def name(self):
+        """Return the name of the sensor."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return the state of the entity."""
+        return self._state != self._invert_logic
+
+    def update(self):
+        """Update the IO state."""
+        pi4ioe5v9xxxx.hw_to_memory()
+        self._state = pi4ioe5v9xxxx.pin_from_memory(self._pin)

homeassistant/components/pi4ioe5v9xxxx/manifest.json

@@ -0,0 +1,8 @@
+{
+    "domain": "pi4ioe5v9xxxx",
+    "name": "pi4ioe5v9xxxx IO Expander",
+    "documentation": "https://www.home-assistant.io/integrations/pi4ioe5v9xxxx",
+    "requirements": ["pi4ioe5v9xxxx==0.0.2"],
+    "dependencies": [],
+    "codeowners": ["@antonverburg"]
+}

homeassistant/components/pi4ioe5v9xxxx/switch.py

@@ -0,0 +1,92 @@
+"""Allows to configure a switch using RPi GPIO."""
+import logging
+
+from pi4ioe5v9xxxx import pi4ioe5v9xxxx  # pylint: disable=import-error
+import voluptuous as vol
+
+from homeassistant.components.switch import PLATFORM_SCHEMA
+from homeassistant.const import DEVICE_DEFAULT_NAME
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity import ToggleEntity
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_PINS = "pins"
+CONF_INVERT_LOGIC = "invert_logic"
+CONF_I2CBUS = "i2c_bus"
+CONF_I2CADDR = "i2c_address"
+CONF_BITS = "bits"
+
+DEFAULT_INVERT_LOGIC = False
+DEFAULT_BITS = 24
+DEFAULT_BUS = 1
+DEFAULT_ADDR = 0x20
+
+_SWITCHES_SCHEMA = vol.Schema({cv.positive_int: cv.string})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
+    {
+        vol.Required(CONF_PINS): _SWITCHES_SCHEMA,
+        vol.Optional(CONF_I2CBUS, default=DEFAULT_BUS): cv.positive_int,
+        vol.Optional(CONF_I2CADDR, default=DEFAULT_ADDR): cv.positive_int,
+        vol.Optional(CONF_BITS, default=DEFAULT_BITS): cv.positive_int,
+        vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
+    }
+)
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the swiches devices."""
+    pins = config.get(CONF_PINS)
+    switches = []
+
+    pi4ioe5v9xxxx.setup(
+        i2c_bus=config[CONF_I2CBUS],
+        i2c_addr=config[CONF_I2CADDR],
+        bits=config[CONF_BITS],
+        read_mode=False,
+        invert=False,
+    )
+    for pin, name in pins.items():
+        switches.append(Pi4ioe5v9Switch(name, pin, config[CONF_INVERT_LOGIC]))
+    add_entities(switches)
+
+
+class Pi4ioe5v9Switch(ToggleEntity):
+    """Representation of a  pi4ioe5v9 IO expansion IO."""
+
+    def __init__(self, name, pin, invert_logic):
+        """Initialize the pin."""
+        self._name = name or DEVICE_DEFAULT_NAME
+        self._pin = pin
+        self._invert_logic = invert_logic
+        self._state = False
+
+    @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, **kwargs):
+        """Turn the device on."""
+        pi4ioe5v9xxxx.pin_to_memory(self._pin, not self._invert_logic)
+        pi4ioe5v9xxxx.memory_to_hw()
+        self._state = True
+        self.schedule_update_ha_state()
+
+    def turn_off(self, **kwargs):
+        """Turn the device off."""
+        pi4ioe5v9xxxx.pin_to_memory(self._pin, self._invert_logic)
+        pi4ioe5v9xxxx.memory_to_hw()
+        self._state = False
+        self.schedule_update_ha_state()

requirements_all.txt

@@ -1012,6 +1012,9 @@ pencompy==0.0.3
 # homeassistant.components.unifi_direct
 pexpect==4.6.0
 
+# homeassistant.components.pi4ioe5v9xxxx
+pi4ioe5v9xxxx==0.0.2
+
 # homeassistant.components.rpi_pfio
 pifacecommon==4.2.2