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87 lines
2.8 KiB
Python
87 lines
2.8 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_MODE,
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CONF_NUMBER,
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CONF_INVERTED,
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CONF_DATA_PIN,
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CONF_CLOCK_PIN,
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CONF_INPUT,
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)
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CODEOWNERS = ["@jesserockz"]
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DEPENDENCIES = []
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MULTI_CONF = True
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sn74hc165_ns = cg.esphome_ns.namespace("sn74hc165")
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SN74HC165Component = sn74hc165_ns.class_("SN74HC165Component", cg.Component)
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SN74HC165GPIOPin = sn74hc165_ns.class_(
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"SN74HC165GPIOPin", cg.GPIOPin, cg.Parented.template(SN74HC165Component)
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)
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CONF_SN74HC165 = "sn74hc165"
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CONF_LOAD_PIN = "load_pin"
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CONF_CLOCK_INHIBIT_PIN = "clock_inhibit_pin"
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CONF_SR_COUNT = "sr_count"
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.Required(CONF_ID): cv.declare_id(SN74HC165Component),
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cv.Required(CONF_DATA_PIN): pins.gpio_input_pin_schema,
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cv.Required(CONF_CLOCK_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_LOAD_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_CLOCK_INHIBIT_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_SR_COUNT, default=1): cv.int_range(min=1, max=256),
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}
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).extend(cv.COMPONENT_SCHEMA)
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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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data_pin = await cg.gpio_pin_expression(config[CONF_DATA_PIN])
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cg.add(var.set_data_pin(data_pin))
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clock_pin = await cg.gpio_pin_expression(config[CONF_CLOCK_PIN])
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cg.add(var.set_clock_pin(clock_pin))
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load_pin = await cg.gpio_pin_expression(config[CONF_LOAD_PIN])
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cg.add(var.set_load_pin(load_pin))
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if CONF_CLOCK_INHIBIT_PIN in config:
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clock_inhibit_pin = await cg.gpio_pin_expression(config[CONF_CLOCK_INHIBIT_PIN])
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cg.add(var.set_clock_inhibit_pin(clock_inhibit_pin))
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cg.add(var.set_sr_count(config[CONF_SR_COUNT]))
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def _validate_input_mode(value):
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if value is not True:
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raise cv.Invalid("Only input mode is supported")
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return value
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SN74HC165_PIN_SCHEMA = cv.All(
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{
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cv.GenerateID(): cv.declare_id(SN74HC165GPIOPin),
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cv.Required(CONF_SN74HC165): cv.use_id(SN74HC165Component),
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cv.Required(CONF_NUMBER): cv.int_range(min=0, max=2048, max_included=False),
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cv.Optional(CONF_MODE, default={}): cv.All(
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{
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cv.Optional(CONF_INPUT, default=True): cv.All(
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cv.boolean, _validate_input_mode
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),
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},
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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(CONF_SN74HC165, SN74HC165_PIN_SCHEMA)
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async def sn74hc165_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_SN74HC165])
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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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return var
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