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86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
from esphome import automation
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import esphome.codegen as cg
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from esphome.components import binary_sensor, sensor
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_BINARY_SENSOR,
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CONF_ID,
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CONF_INITIAL_VALUE,
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CONF_RESTORE,
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CONF_SENSOR,
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CONF_VALUE,
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ICON_COUNTER,
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)
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from esphome.types import ConfigType
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counter_ns = cg.esphome_ns.namespace("counter")
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CounterSensor = counter_ns.class_("CounterSensor", sensor.Sensor, cg.Component)
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# The lowest value is left out because its C++ literal cannot be written portably.
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INT64_MAX = 2**63 - 1
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COUNTER_RANGE = cv.int_range(min=-INT64_MAX, max=INT64_MAX)
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COUNTER_VALUE = cv.templatable(COUNTER_RANGE)
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def _not_own_source(config: ConfigType) -> ConfigType:
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if (source := config.get(CONF_SENSOR)) is not None and source.id == config[
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CONF_ID
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].id:
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raise cv.Invalid("A counter cannot count its own updates", [CONF_SENSOR])
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return config
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CONFIG_SCHEMA = cv.All(
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sensor.sensor_schema(
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CounterSensor,
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icon=ICON_COUNTER,
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accuracy_decimals=0,
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)
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.extend(
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{
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cv.Optional(CONF_RESTORE, default=True): cv.boolean,
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cv.Optional(CONF_INITIAL_VALUE, default=0): COUNTER_RANGE,
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cv.Optional(CONF_SENSOR): cv.use_id(sensor.Sensor),
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cv.Optional(CONF_BINARY_SENSOR): cv.use_id(binary_sensor.BinarySensor),
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}
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)
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.extend(cv.COMPONENT_SCHEMA),
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_not_own_source,
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)
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async def to_code(config):
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var = cg.new_Pvariable(
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config[CONF_ID], config[CONF_RESTORE], config[CONF_INITIAL_VALUE]
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)
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await cg.register_component(var, config)
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await sensor.register_sensor(var, config)
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if (source := config.get(CONF_SENSOR)) is not None:
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cg.add(var.count_updates_from(await cg.get_variable(source)))
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if (source := config.get(CONF_BINARY_SENSOR)) is not None:
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cg.add(var.count_true_from(await cg.get_variable(source)))
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automation.register_apply_action(
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"counter.set_value",
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cv.maybe_simple_value(
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{
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cv.GenerateID(CONF_ID): cv.use_id(CounterSensor),
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cv.Required(CONF_VALUE): COUNTER_VALUE,
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},
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key=CONF_VALUE,
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),
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automation.ApplyField(CONF_VALUE, "set_value", cg.int64),
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)
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automation.register_apply_action(
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"counter.increment",
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automation.maybe_simple_id(
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{
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cv.GenerateID(CONF_ID): cv.use_id(CounterSensor),
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cv.Optional(CONF_VALUE, default=1): COUNTER_VALUE,
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}
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),
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automation.ApplyField(CONF_VALUE, "increment", cg.int64),
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)
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