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54 lines
1.6 KiB
Python
54 lines
1.6 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 sensor
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from esphome.const import (
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CONF_ECHO_PIN,
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CONF_TRIGGER_PIN,
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CONF_TIMEOUT,
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STATE_CLASS_MEASUREMENT,
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UNIT_METER,
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ICON_ARROW_EXPAND_VERTICAL,
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)
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CONF_PULSE_TIME = "pulse_time"
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ultrasonic_ns = cg.esphome_ns.namespace("ultrasonic")
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UltrasonicSensorComponent = ultrasonic_ns.class_(
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"UltrasonicSensorComponent", sensor.Sensor, cg.PollingComponent
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)
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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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UltrasonicSensorComponent,
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unit_of_measurement=UNIT_METER,
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icon=ICON_ARROW_EXPAND_VERTICAL,
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accuracy_decimals=2,
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state_class=STATE_CLASS_MEASUREMENT,
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)
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.extend(
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{
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cv.Required(CONF_TRIGGER_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_ECHO_PIN): pins.internal_gpio_input_pin_schema,
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cv.Optional(CONF_TIMEOUT, default="2m"): cv.distance,
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cv.Optional(
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CONF_PULSE_TIME, default="10us"
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): cv.positive_time_period_microseconds,
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}
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)
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.extend(cv.polling_component_schema("60s"))
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)
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async def to_code(config):
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var = await sensor.new_sensor(config)
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await cg.register_component(var, config)
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trigger = await cg.gpio_pin_expression(config[CONF_TRIGGER_PIN])
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cg.add(var.set_trigger_pin(trigger))
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echo = await cg.gpio_pin_expression(config[CONF_ECHO_PIN])
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cg.add(var.set_echo_pin(echo))
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cg.add(var.set_timeout_us(config[CONF_TIMEOUT] / (0.000343 / 2)))
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cg.add(var.set_pulse_time_us(config[CONF_PULSE_TIME]))
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