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51 lines
1.4 KiB
Python
51 lines
1.4 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_CLK_PIN,
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CONF_GAIN,
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ICON_SCALE,
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STATE_CLASS_MEASUREMENT,
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)
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hx711_ns = cg.esphome_ns.namespace("hx711")
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HX711Sensor = hx711_ns.class_("HX711Sensor", sensor.Sensor, cg.PollingComponent)
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CONF_DOUT_PIN = "dout_pin"
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HX711Gain = hx711_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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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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HX711Sensor,
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icon=ICON_SCALE,
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accuracy_decimals=0,
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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_DOUT_PIN): pins.gpio_input_pin_schema,
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cv.Required(CONF_CLK_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_GAIN, default=128): cv.enum(GAINS, int=True),
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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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dout_pin = await cg.gpio_pin_expression(config[CONF_DOUT_PIN])
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cg.add(var.set_dout_pin(dout_pin))
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sck_pin = await cg.gpio_pin_expression(config[CONF_CLK_PIN])
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cg.add(var.set_sck_pin(sck_pin))
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cg.add(var.set_gain(config[CONF_GAIN]))
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