mirror of https://github.com/esphome/esphome.git
53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import i2c, sensor
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from esphome.const import (
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CONF_ID,
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CONF_RESOLUTION,
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DEVICE_CLASS_ILLUMINANCE,
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ICON_EMPTY,
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UNIT_LUX,
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)
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DEPENDENCIES = ["i2c"]
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bh1750_ns = cg.esphome_ns.namespace("bh1750")
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BH1750Resolution = bh1750_ns.enum("BH1750Resolution")
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BH1750_RESOLUTIONS = {
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4.0: BH1750Resolution.BH1750_RESOLUTION_4P0_LX,
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1.0: BH1750Resolution.BH1750_RESOLUTION_1P0_LX,
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0.5: BH1750Resolution.BH1750_RESOLUTION_0P5_LX,
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}
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BH1750Sensor = bh1750_ns.class_(
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"BH1750Sensor", sensor.Sensor, cg.PollingComponent, i2c.I2CDevice
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)
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CONF_MEASUREMENT_TIME = "measurement_time"
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CONFIG_SCHEMA = (
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sensor.sensor_schema(UNIT_LUX, ICON_EMPTY, 1, DEVICE_CLASS_ILLUMINANCE)
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.extend(
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{
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cv.GenerateID(): cv.declare_id(BH1750Sensor),
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cv.Optional(CONF_RESOLUTION, default=0.5): cv.enum(
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BH1750_RESOLUTIONS, float=True
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),
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cv.Optional(CONF_MEASUREMENT_TIME, default=69): cv.int_range(
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min=31, max=254
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),
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}
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(i2c.i2c_device_schema(0x23))
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)
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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yield cg.register_component(var, config)
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yield sensor.register_sensor(var, config)
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yield i2c.register_i2c_device(var, config)
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cg.add(var.set_resolution(config[CONF_RESOLUTION]))
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cg.add(var.set_measurement_time(config[CONF_MEASUREMENT_TIME]))
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