mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-19 12:43:28 +02:00
Jesse Hills
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.components import i2c
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from esphome.const import CONF_ID, CONF_NUMBER, CONF_MODE, CONF_INVERTED
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DEPENDENCIES = ["i2c"]
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MULTI_CONF = True
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pcf8574_ns = cg.esphome_ns.namespace("pcf8574")
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PCF8574GPIOMode = pcf8574_ns.enum("PCF8574GPIOMode")
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PCF8674_GPIO_MODES = {
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"INPUT": PCF8574GPIOMode.PCF8574_INPUT,
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"OUTPUT": PCF8574GPIOMode.PCF8574_OUTPUT,
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}
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PCF8574Component = pcf8574_ns.class_("PCF8574Component", cg.Component, i2c.I2CDevice)
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PCF8574GPIOPin = pcf8574_ns.class_("PCF8574GPIOPin", cg.GPIOPin)
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CONF_PCF8574 = "pcf8574"
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CONF_PCF8575 = "pcf8575"
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.Required(CONF_ID): cv.declare_id(PCF8574Component),
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cv.Optional(CONF_PCF8575, default=False): cv.boolean,
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}
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)
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.extend(cv.COMPONENT_SCHEMA)
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.extend(i2c.i2c_device_schema(0x21))
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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cg.add(var.set_pcf8575(config[CONF_PCF8575]))
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PCF8574_OUTPUT_PIN_SCHEMA = cv.Schema(
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{
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cv.Required(CONF_PCF8574): cv.use_id(PCF8574Component),
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cv.Required(CONF_NUMBER): cv.int_,
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cv.Optional(CONF_MODE, default="OUTPUT"): cv.enum(
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PCF8674_GPIO_MODES, upper=True
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),
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cv.Optional(CONF_INVERTED, default=False): cv.boolean,
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}
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)
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PCF8574_INPUT_PIN_SCHEMA = cv.Schema(
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{
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cv.Required(CONF_PCF8574): cv.use_id(PCF8574Component),
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cv.Required(CONF_NUMBER): cv.int_,
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cv.Optional(CONF_MODE, default="INPUT"): cv.enum(
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PCF8674_GPIO_MODES, upper=True
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),
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cv.Optional(CONF_INVERTED, default=False): cv.boolean,
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(
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"pcf8574", (PCF8574_OUTPUT_PIN_SCHEMA, PCF8574_INPUT_PIN_SCHEMA)
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)
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async def pcf8574_pin_to_code(config):
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parent = await cg.get_variable(config[CONF_PCF8574])
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return PCF8574GPIOPin.new(
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parent, config[CONF_NUMBER], config[CONF_MODE], config[CONF_INVERTED]
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)
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