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https://github.com/esphome/esphome.git
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73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
from esphome import pins
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import esphome.codegen as cg
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from esphome.components import i2c
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_ID,
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CONF_INPUT,
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CONF_INVERTED,
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CONF_MODE,
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CONF_NUMBER,
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CONF_OUTPUT,
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)
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CODEOWNERS = ["@mobrembski"]
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AUTO_LOAD = ["gpio_expander"]
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DEPENDENCIES = ["i2c"]
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MULTI_CONF = True
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tca9555_ns = cg.esphome_ns.namespace("tca9555")
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TCA9555Component = tca9555_ns.class_("TCA9555Component", cg.Component, i2c.I2CDevice)
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TCA9555GPIOPin = tca9555_ns.class_("TCA9555GPIOPin", cg.GPIOPin)
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CONF_TCA9555 = "tca9555"
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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(TCA9555Component),
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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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def validate_mode(value):
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if not (value[CONF_INPUT] or value[CONF_OUTPUT]):
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raise cv.Invalid("Mode must be either input or output")
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if value[CONF_INPUT] and value[CONF_OUTPUT]:
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raise cv.Invalid("Mode must be either input or output")
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return value
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TCA9555_PIN_SCHEMA = pins.gpio_base_schema(
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TCA9555GPIOPin,
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cv.int_range(min=0, max=15),
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modes=[CONF_INPUT, CONF_OUTPUT],
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mode_validator=validate_mode,
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invertible=True,
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).extend(
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{
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cv.Required(CONF_TCA9555): cv.use_id(TCA9555Component),
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(CONF_TCA9555, TCA9555_PIN_SCHEMA)
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async def tca9555_pin_to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_parented(var, config[CONF_TCA9555])
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cg.add(var.set_pin(config[CONF_NUMBER]))
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cg.add(var.set_inverted(config[CONF_INVERTED]))
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cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
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return var
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