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esphome/esphome/components/sgp40/sensor.py
2022-04-13 10:19:48 +12:00

71 lines
2.1 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor, sensirion_common
from esphome.const import (
CONF_STORE_BASELINE,
CONF_TEMPERATURE_SOURCE,
ICON_RADIATOR,
DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
STATE_CLASS_MEASUREMENT,
)
DEPENDENCIES = ["i2c"]
AUTO_LOAD = ["sensirion_common"]
CODEOWNERS = ["@SenexCrenshaw"]
sgp40_ns = cg.esphome_ns.namespace("sgp40")
SGP40Component = sgp40_ns.class_(
"SGP40Component",
sensor.Sensor,
cg.PollingComponent,
sensirion_common.SensirionI2CDevice,
)
CONF_COMPENSATION = "compensation"
CONF_HUMIDITY_SOURCE = "humidity_source"
CONF_VOC_BASELINE = "voc_baseline"
CONFIG_SCHEMA = (
sensor.sensor_schema(
SGP40Component,
icon=ICON_RADIATOR,
accuracy_decimals=0,
device_class=DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
state_class=STATE_CLASS_MEASUREMENT,
)
.extend(
{
cv.Optional(CONF_STORE_BASELINE, default=True): cv.boolean,
cv.Optional(CONF_VOC_BASELINE): cv.hex_uint16_t,
cv.Optional(CONF_COMPENSATION): cv.Schema(
{
cv.Required(CONF_HUMIDITY_SOURCE): cv.use_id(sensor.Sensor),
cv.Required(CONF_TEMPERATURE_SOURCE): cv.use_id(sensor.Sensor),
},
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x59))
)
async def to_code(config):
var = await sensor.new_sensor(config)
await cg.register_component(var, config)
await i2c.register_i2c_device(var, config)
if CONF_COMPENSATION in config:
compensation_config = config[CONF_COMPENSATION]
sens = await cg.get_variable(compensation_config[CONF_HUMIDITY_SOURCE])
cg.add(var.set_humidity_sensor(sens))
sens = await cg.get_variable(compensation_config[CONF_TEMPERATURE_SOURCE])
cg.add(var.set_temperature_sensor(sens))
cg.add(var.set_store_baseline(config[CONF_STORE_BASELINE]))
if CONF_VOC_BASELINE in config:
cg.add(var.set_voc_baseline(CONF_VOC_BASELINE))