mirror of https://github.com/esphome/esphome.git
91 lines
2.7 KiB
Python
91 lines
2.7 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_FIELD_STRENGTH_X,
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CONF_FIELD_STRENGTH_Y,
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CONF_FIELD_STRENGTH_Z,
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CONF_HEADING,
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CONF_ID,
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ICON_MAGNET,
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STATE_CLASS_MEASUREMENT,
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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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mmc5603_ns = cg.esphome_ns.namespace("mmc5603")
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MMC5603Component = mmc5603_ns.class_(
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"MMC5603Component", cg.PollingComponent, i2c.I2CDevice
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)
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MMC5603Datarate = mmc5603_ns.enum("MMC5603Datarate")
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MMC5603Datarates = {
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75: MMC5603Datarate.MMC5603_DATARATE_75_0_HZ,
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150: MMC5603Datarate.MMC5603_DATARATE_150_0_HZ,
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255: MMC5603Datarate.MMC5603_DATARATE_255_0_HZ,
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}
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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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)
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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(MMC5603Component),
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cv.Optional(CONF_ADDRESS): cv.i2c_address,
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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(0x1E))
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)
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def auto_data_rate(config):
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interval_msec = config[CONF_UPDATE_INTERVAL].total_milliseconds
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interval_hz = 1000.0 / interval_msec
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for datarate in sorted(MMC5603Datarates.keys()):
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if float(datarate) >= interval_hz:
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return MMC5603Datarates[datarate]
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return MMC5603Datarates[75]
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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_datarate(auto_data_rate(config)))
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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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