mirror of https://github.com/esphome/esphome.git
55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
import voluptuous as vol
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from esphome import pins
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from esphome.components import sensor
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import esphome.config_validation as cv
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from esphome.const import CONF_ECHO_PIN, CONF_ID, CONF_NAME, CONF_TRIGGER_PIN, \
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CONF_UPDATE_INTERVAL, CONF_TIMEOUT
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from esphome.cpp_generator import Pvariable, add
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from esphome.cpp_helpers import gpio_input_pin_expression, gpio_output_pin_expression, \
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setup_component
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from esphome.cpp_types import App
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CONF_PULSE_TIME = 'pulse_time'
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UltrasonicSensorComponent = sensor.sensor_ns.class_('UltrasonicSensorComponent',
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sensor.PollingSensorComponent)
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PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
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cv.GenerateID(): cv.declare_variable_id(UltrasonicSensorComponent),
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vol.Required(CONF_TRIGGER_PIN): pins.gpio_output_pin_schema,
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vol.Required(CONF_ECHO_PIN): pins.internal_gpio_input_pin_schema,
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vol.Optional(CONF_TIMEOUT): cv.distance,
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vol.Optional(CONF_PULSE_TIME): cv.positive_time_period_microseconds,
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vol.Optional(CONF_UPDATE_INTERVAL): cv.update_interval,
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vol.Optional('timeout_meter'): cv.invalid("The timeout_meter option has been renamed "
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"to 'timeout'."),
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vol.Optional('timeout_time'): cv.invalid("The timeout_time option has been removed. Please "
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"use 'timeout'."),
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}))
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def to_code(config):
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for trigger in gpio_output_pin_expression(config[CONF_TRIGGER_PIN]):
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yield
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for echo in gpio_input_pin_expression(config[CONF_ECHO_PIN]):
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yield
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rhs = App.make_ultrasonic_sensor(config[CONF_NAME], trigger, echo,
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config.get(CONF_UPDATE_INTERVAL))
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ultrasonic = Pvariable(config[CONF_ID], rhs)
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if CONF_TIMEOUT in config:
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add(ultrasonic.set_timeout_us(config[CONF_TIMEOUT] / (0.000343 / 2)))
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if CONF_PULSE_TIME in config:
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add(ultrasonic.set_pulse_time_us(config[CONF_PULSE_TIME]))
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sensor.setup_sensor(ultrasonic, config)
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setup_component(ultrasonic, config)
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BUILD_FLAGS = '-DUSE_ULTRASONIC_SENSOR'
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