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91 lines
2.9 KiB
Python
91 lines
2.9 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.const import (
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CONF_ID,
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CONF_INPUT,
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CONF_NUMBER,
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CONF_MODE,
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CONF_INVERTED,
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CONF_INTERRUPT,
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CONF_OPEN_DRAIN_INTERRUPT,
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CONF_OUTPUT,
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CONF_PULLUP,
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)
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from esphome.core import coroutine
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CODEOWNERS = ["@jesserockz"]
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mcp23xxx_base_ns = cg.esphome_ns.namespace("mcp23xxx_base")
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MCP23XXXBase = mcp23xxx_base_ns.class_("MCP23XXXBase", cg.Component)
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MCP23XXXGPIOPin = mcp23xxx_base_ns.class_("MCP23XXXGPIOPin", cg.GPIOPin)
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MCP23XXXInterruptMode = mcp23xxx_base_ns.enum("MCP23XXXInterruptMode")
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MCP23XXX_INTERRUPT_MODES = {
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"NO_INTERRUPT": MCP23XXXInterruptMode.MCP23XXX_NO_INTERRUPT,
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"CHANGE": MCP23XXXInterruptMode.MCP23XXX_CHANGE,
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"RISING": MCP23XXXInterruptMode.MCP23XXX_RISING,
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"FALLING": MCP23XXXInterruptMode.MCP23XXX_FALLING,
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}
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MCP23XXX_CONFIG_SCHEMA = cv.Schema(
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{
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cv.Optional(CONF_OPEN_DRAIN_INTERRUPT, default=False): cv.boolean,
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}
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).extend(cv.COMPONENT_SCHEMA)
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@coroutine
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async def register_mcp23xxx(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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cg.add(var.set_open_drain_ints(config[CONF_OPEN_DRAIN_INTERRUPT]))
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return var
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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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if value[CONF_PULLUP] and not value[CONF_INPUT]:
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raise cv.Invalid("Pullup only available with input")
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return value
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CONF_MCP23XXX = "mcp23xxx"
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MCP23XXX_PIN_SCHEMA = cv.All(
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{
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cv.GenerateID(): cv.declare_id(MCP23XXXGPIOPin),
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cv.Required(CONF_MCP23XXX): cv.use_id(MCP23XXXBase),
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cv.Required(CONF_NUMBER): cv.int_range(min=0, max=15),
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cv.Optional(CONF_MODE, default={}): cv.All(
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{
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cv.Optional(CONF_INPUT, default=False): cv.boolean,
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cv.Optional(CONF_PULLUP, default=False): cv.boolean,
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cv.Optional(CONF_OUTPUT, default=False): cv.boolean,
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},
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validate_mode,
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),
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cv.Optional(CONF_INVERTED, default=False): cv.boolean,
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cv.Optional(CONF_INTERRUPT, default="NO_INTERRUPT"): cv.enum(
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MCP23XXX_INTERRUPT_MODES, upper=True
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),
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(CONF_MCP23XXX, MCP23XXX_PIN_SCHEMA)
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async def mcp23xxx_pin_to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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parent = await cg.get_variable(config[CONF_MCP23XXX])
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cg.add(var.set_parent(parent))
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num = config[CONF_NUMBER]
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cg.add(var.set_pin(num))
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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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cg.add(var.set_interrupt_mode(config[CONF_INTERRUPT]))
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return var
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