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145 lines
5 KiB
Python
145 lines
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, sensirion_common
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from esphome.const import (
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CONF_ID,
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CONF_STORE_BASELINE,
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CONF_TEMPERATURE_SOURCE,
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ICON_RADIATOR,
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DEVICE_CLASS_AQI,
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STATE_CLASS_MEASUREMENT,
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)
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DEPENDENCIES = ["i2c"]
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AUTO_LOAD = ["sensirion_common"]
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CODEOWNERS = ["@SenexCrenshaw", "@martgras"]
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sgp4x_ns = cg.esphome_ns.namespace("sgp4x")
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SGP4xComponent = sgp4x_ns.class_(
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"SGP4xComponent",
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sensor.Sensor,
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cg.PollingComponent,
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sensirion_common.SensirionI2CDevice,
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)
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CONF_ALGORITHM_TUNING = "algorithm_tuning"
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CONF_COMPENSATION = "compensation"
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CONF_GAIN_FACTOR = "gain_factor"
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CONF_GATING_MAX_DURATION_MINUTES = "gating_max_duration_minutes"
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CONF_HUMIDITY_SOURCE = "humidity_source"
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CONF_INDEX_OFFSET = "index_offset"
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CONF_LEARNING_TIME_GAIN_HOURS = "learning_time_gain_hours"
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CONF_LEARNING_TIME_OFFSET_HOURS = "learning_time_offset_hours"
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CONF_NOX = "nox"
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CONF_STD_INITIAL = "std_initial"
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CONF_VOC = "voc"
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CONF_VOC_BASELINE = "voc_baseline"
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def validate_sensors(config):
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if CONF_VOC not in config and CONF_NOX not in config:
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raise cv.Invalid(
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f"At least one sensor is required. Define {CONF_VOC} and/or {CONF_NOX}"
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)
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return config
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GAS_SENSOR = cv.Schema(
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{
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cv.Optional(CONF_ALGORITHM_TUNING): cv.Schema(
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{
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cv.Optional(CONF_INDEX_OFFSET, default=100): cv.int_,
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cv.Optional(CONF_LEARNING_TIME_OFFSET_HOURS, default=12): cv.int_,
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cv.Optional(CONF_LEARNING_TIME_GAIN_HOURS, default=12): cv.int_,
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cv.Optional(CONF_GATING_MAX_DURATION_MINUTES, default=720): cv.int_,
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cv.Optional(CONF_STD_INITIAL, default=50): cv.int_,
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cv.Optional(CONF_GAIN_FACTOR, default=230): cv.int_,
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}
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)
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}
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)
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CONFIG_SCHEMA = cv.All(
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(SGP4xComponent),
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cv.Optional(CONF_VOC): sensor.sensor_schema(
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icon=ICON_RADIATOR,
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accuracy_decimals=0,
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device_class=DEVICE_CLASS_AQI,
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state_class=STATE_CLASS_MEASUREMENT,
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).extend(GAS_SENSOR),
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cv.Optional(CONF_NOX): sensor.sensor_schema(
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icon=ICON_RADIATOR,
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accuracy_decimals=0,
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device_class=DEVICE_CLASS_AQI,
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state_class=STATE_CLASS_MEASUREMENT,
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).extend(GAS_SENSOR),
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cv.Optional(CONF_STORE_BASELINE, default=True): cv.boolean,
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cv.Optional(CONF_VOC_BASELINE): cv.hex_uint16_t,
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cv.Optional(CONF_COMPENSATION): cv.Schema(
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{
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cv.Required(CONF_HUMIDITY_SOURCE): cv.use_id(sensor.Sensor),
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cv.Required(CONF_TEMPERATURE_SOURCE): cv.use_id(sensor.Sensor),
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},
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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(0x59)),
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validate_sensors,
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)
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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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if CONF_COMPENSATION in config:
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compensation_config = config[CONF_COMPENSATION]
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sens = await cg.get_variable(compensation_config[CONF_HUMIDITY_SOURCE])
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cg.add(var.set_humidity_sensor(sens))
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sens = await cg.get_variable(compensation_config[CONF_TEMPERATURE_SOURCE])
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cg.add(var.set_temperature_sensor(sens))
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cg.add(var.set_store_baseline(config[CONF_STORE_BASELINE]))
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if CONF_VOC_BASELINE in config:
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cg.add(var.set_voc_baseline(CONF_VOC_BASELINE))
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if CONF_VOC in config:
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sens = await sensor.new_sensor(config[CONF_VOC])
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cg.add(var.set_voc_sensor(sens))
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if CONF_ALGORITHM_TUNING in config[CONF_VOC]:
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cfg = config[CONF_VOC][CONF_ALGORITHM_TUNING]
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cg.add(
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var.set_voc_algorithm_tuning(
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cfg[CONF_INDEX_OFFSET],
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cfg[CONF_LEARNING_TIME_OFFSET_HOURS],
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cfg[CONF_LEARNING_TIME_GAIN_HOURS],
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cfg[CONF_GATING_MAX_DURATION_MINUTES],
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cfg[CONF_STD_INITIAL],
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cfg[CONF_GAIN_FACTOR],
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)
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)
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if CONF_NOX in config:
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sens = await sensor.new_sensor(config[CONF_NOX])
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cg.add(var.set_nox_sensor(sens))
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if CONF_ALGORITHM_TUNING in config[CONF_NOX]:
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cfg = config[CONF_NOX][CONF_ALGORITHM_TUNING]
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cg.add(
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var.set_nox_algorithm_tuning(
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cfg[CONF_INDEX_OFFSET],
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cfg[CONF_LEARNING_TIME_OFFSET_HOURS],
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cfg[CONF_LEARNING_TIME_GAIN_HOURS],
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cfg[CONF_GATING_MAX_DURATION_MINUTES],
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cfg[CONF_GAIN_FACTOR],
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)
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)
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cg.add_library(
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None,
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None,
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"https://github.com/Sensirion/arduino-gas-index-algorithm.git#3.2.1",
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)
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