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54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
import voluptuous as vol
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from esphomeyaml import pins
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from esphomeyaml.components import sensor
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import esphomeyaml.config_validation as cv
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from esphomeyaml.const import CONF_CLK_PIN, CONF_GAIN, CONF_ID, CONF_NAME, CONF_UPDATE_INTERVAL
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from esphomeyaml.cpp_generator import Pvariable, add
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from esphomeyaml.cpp_helpers import gpio_input_pin_expression, setup_component
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from esphomeyaml.cpp_types import App, Application
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MakeHX711Sensor = Application.struct('MakeHX711Sensor')
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HX711Sensor = sensor.sensor_ns.class_('HX711Sensor', sensor.PollingSensorComponent)
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CONF_DOUT_PIN = 'dout_pin'
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HX711Gain = sensor.sensor_ns.enum('HX711Gain')
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GAINS = {
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128: HX711Gain.HX711_GAIN_128,
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32: HX711Gain.HX711_GAIN_32,
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64: HX711Gain.HX711_GAIN_64,
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}
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PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
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cv.GenerateID(): cv.declare_variable_id(HX711Sensor),
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vol.Required(CONF_DOUT_PIN): pins.gpio_input_pin_schema,
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vol.Required(CONF_CLK_PIN): pins.gpio_output_pin_schema,
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vol.Optional(CONF_GAIN): cv.one_of(*GAINS, int=True),
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vol.Optional(CONF_UPDATE_INTERVAL): cv.update_interval,
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}).extend(cv.COMPONENT_SCHEMA.schema))
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def to_code(config):
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for dout_pin in gpio_input_pin_expression(config[CONF_DOUT_PIN]):
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yield
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for sck_pin in gpio_input_pin_expression(config[CONF_CLK_PIN]):
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yield
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rhs = App.make_hx711_sensor(config[CONF_NAME], dout_pin, sck_pin,
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config.get(CONF_UPDATE_INTERVAL))
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hx711 = Pvariable(config[CONF_ID], rhs)
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if CONF_GAIN in config:
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add(hx711.set_gain(GAINS[config[CONF_GAIN]]))
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sensor.setup_sensor(hx711, config)
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setup_component(hx711, config)
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BUILD_FLAGS = '-DUSE_HX711'
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def to_hass_config(data, config):
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return sensor.core_to_hass_config(data, config)
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