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135 lines
4.2 KiB
Python
135 lines
4.2 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_ADDRESS,
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CONF_ID,
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CONF_OVERSAMPLING,
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CONF_RANGE,
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ICON_MAGNET,
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STATE_CLASS_MEASUREMENT,
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STATE_CLASS_NONE,
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UNIT_MICROTESLA,
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UNIT_DEGREES,
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ICON_SCREEN_ROTATION,
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CONF_UPDATE_INTERVAL,
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)
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DEPENDENCIES = ["i2c"]
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qmc5883l_ns = cg.esphome_ns.namespace("qmc5883l")
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CONF_FIELD_STRENGTH_X = "field_strength_x"
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CONF_FIELD_STRENGTH_Y = "field_strength_y"
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CONF_FIELD_STRENGTH_Z = "field_strength_z"
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CONF_HEADING = "heading"
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QMC5883LComponent = qmc5883l_ns.class_(
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"QMC5883LComponent", cg.PollingComponent, i2c.I2CDevice
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)
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QMC5883LDatarate = qmc5883l_ns.enum("QMC5883LDatarate")
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QMC5883LDatarates = {
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10: QMC5883LDatarate.QMC5883L_DATARATE_10_HZ,
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50: QMC5883LDatarate.QMC5883L_DATARATE_50_HZ,
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100: QMC5883LDatarate.QMC5883L_DATARATE_100_HZ,
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200: QMC5883LDatarate.QMC5883L_DATARATE_200_HZ,
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}
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QMC5883LRange = qmc5883l_ns.enum("QMC5883LRange")
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QMC5883L_RANGES = {
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200: QMC5883LRange.QMC5883L_RANGE_200_UT,
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800: QMC5883LRange.QMC5883L_RANGE_800_UT,
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}
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QMC5883LOversampling = qmc5883l_ns.enum("QMC5883LOversampling")
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QMC5883LOversamplings = {
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512: QMC5883LOversampling.QMC5883L_SAMPLING_512,
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256: QMC5883LOversampling.QMC5883L_SAMPLING_256,
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128: QMC5883LOversampling.QMC5883L_SAMPLING_128,
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64: QMC5883LOversampling.QMC5883L_SAMPLING_64,
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}
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def validate_enum(enum_values, units=None, int=True):
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_units = []
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if units is not None:
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_units = units if isinstance(units, list) else [units]
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_units = [str(x) for x in _units]
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enum_bound = cv.enum(enum_values, int=int)
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def validate_enum_bound(value):
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value = cv.string(value)
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for unit in _units:
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if value.endswith(unit):
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value = value[: -len(unit)]
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break
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return enum_bound(value)
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return validate_enum_bound
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field_strength_schema = sensor.sensor_schema(
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unit_of_measurement=UNIT_MICROTESLA,
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icon=ICON_MAGNET,
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accuracy_decimals=1,
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state_class=STATE_CLASS_MEASUREMENT,
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)
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heading_schema = sensor.sensor_schema(
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unit_of_measurement=UNIT_DEGREES,
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icon=ICON_SCREEN_ROTATION,
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accuracy_decimals=1,
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state_class=STATE_CLASS_NONE,
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)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(QMC5883LComponent),
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cv.Optional(CONF_ADDRESS): cv.i2c_address,
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cv.Optional(CONF_RANGE, default="200µT"): validate_enum(
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QMC5883L_RANGES, units=["uT", "µT"]
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),
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cv.Optional(CONF_OVERSAMPLING, default="512x"): validate_enum(
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QMC5883LOversamplings, units="x"
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),
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cv.Optional(CONF_FIELD_STRENGTH_X): field_strength_schema,
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cv.Optional(CONF_FIELD_STRENGTH_Y): field_strength_schema,
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cv.Optional(CONF_FIELD_STRENGTH_Z): field_strength_schema,
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cv.Optional(CONF_HEADING): heading_schema,
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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(0x0D))
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)
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def auto_data_rate(config):
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interval_sec = config[CONF_UPDATE_INTERVAL].seconds
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interval_hz = 1.0 / interval_sec
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for datarate in sorted(QMC5883LDatarates.keys()):
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if float(datarate) >= interval_hz:
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return QMC5883LDatarates[datarate]
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return QMC5883LDatarates[200]
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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cg.add(var.set_oversampling(config[CONF_OVERSAMPLING]))
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cg.add(var.set_datarate(auto_data_rate(config)))
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cg.add(var.set_range(config[CONF_RANGE]))
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if CONF_FIELD_STRENGTH_X in config:
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sens = await sensor.new_sensor(config[CONF_FIELD_STRENGTH_X])
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cg.add(var.set_x_sensor(sens))
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if CONF_FIELD_STRENGTH_Y in config:
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sens = await sensor.new_sensor(config[CONF_FIELD_STRENGTH_Y])
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cg.add(var.set_y_sensor(sens))
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if CONF_FIELD_STRENGTH_Z in config:
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sens = await sensor.new_sensor(config[CONF_FIELD_STRENGTH_Z])
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cg.add(var.set_z_sensor(sens))
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if CONF_HEADING in config:
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sens = await sensor.new_sensor(config[CONF_HEADING])
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cg.add(var.set_heading_sensor(sens))
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