esphome/esphomeyaml/components/pcf8574.py

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import voluptuous as vol
from esphomeyaml import pins
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import esphomeyaml.config_validation as cv
from esphomeyaml.const import CONF_ADDRESS, CONF_ID, CONF_PCF8575
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from esphomeyaml.cpp_generator import Pvariable
from esphomeyaml.cpp_helpers import setup_component
from esphomeyaml.cpp_types import App, GPIOInputPin, GPIOOutputPin, io_ns
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DEPENDENCIES = ['i2c']
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MULTI_CONF = True
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PCF8574GPIOMode = io_ns.enum('PCF8574GPIOMode')
PCF8675_GPIO_MODES = {
'INPUT': PCF8574GPIOMode.PCF8574_INPUT,
'INPUT_PULLUP': PCF8574GPIOMode.PCF8574_INPUT_PULLUP,
'OUTPUT': PCF8574GPIOMode.PCF8574_OUTPUT,
}
PCF8574GPIOInputPin = io_ns.class_('PCF8574GPIOInputPin', GPIOInputPin)
PCF8574GPIOOutputPin = io_ns.class_('PCF8574GPIOOutputPin', GPIOOutputPin)
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CONFIG_SCHEMA = vol.Schema({
vol.Required(CONF_ID): cv.declare_variable_id(pins.PCF8574Component),
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vol.Optional(CONF_ADDRESS, default=0x21): cv.i2c_address,
vol.Optional(CONF_PCF8575, default=False): cv.boolean,
}).extend(cv.COMPONENT_SCHEMA.schema)
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def to_code(config):
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rhs = App.make_pcf8574_component(config[CONF_ADDRESS], config[CONF_PCF8575])
var = Pvariable(config[CONF_ID], rhs)
setup_component(var, config)
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BUILD_FLAGS = '-DUSE_PCF8574'