esphome/esphome/components/bme280/sensor.py

111 lines
3.6 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import (
CONF_HUMIDITY,
CONF_ID,
CONF_IIR_FILTER,
CONF_OVERSAMPLING,
CONF_PRESSURE,
CONF_TEMPERATURE,
DEVICE_CLASS_HUMIDITY,
DEVICE_CLASS_PRESSURE,
DEVICE_CLASS_TEMPERATURE,
ICON_EMPTY,
UNIT_CELSIUS,
UNIT_HECTOPASCAL,
UNIT_PERCENT,
)
DEPENDENCIES = ["i2c"]
bme280_ns = cg.esphome_ns.namespace("bme280")
BME280Oversampling = bme280_ns.enum("BME280Oversampling")
OVERSAMPLING_OPTIONS = {
"NONE": BME280Oversampling.BME280_OVERSAMPLING_NONE,
"1X": BME280Oversampling.BME280_OVERSAMPLING_1X,
"2X": BME280Oversampling.BME280_OVERSAMPLING_2X,
"4X": BME280Oversampling.BME280_OVERSAMPLING_4X,
"8X": BME280Oversampling.BME280_OVERSAMPLING_8X,
"16X": BME280Oversampling.BME280_OVERSAMPLING_16X,
}
BME280IIRFilter = bme280_ns.enum("BME280IIRFilter")
IIR_FILTER_OPTIONS = {
"OFF": BME280IIRFilter.BME280_IIR_FILTER_OFF,
"2X": BME280IIRFilter.BME280_IIR_FILTER_2X,
"4X": BME280IIRFilter.BME280_IIR_FILTER_4X,
"8X": BME280IIRFilter.BME280_IIR_FILTER_8X,
"16X": BME280IIRFilter.BME280_IIR_FILTER_16X,
}
BME280Component = bme280_ns.class_(
"BME280Component", cg.PollingComponent, i2c.I2CDevice
)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(BME280Component),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
UNIT_CELSIUS, ICON_EMPTY, 1, DEVICE_CLASS_TEMPERATURE
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
}
),
cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
UNIT_HECTOPASCAL, ICON_EMPTY, 1, DEVICE_CLASS_PRESSURE
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
}
),
cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
UNIT_PERCENT, ICON_EMPTY, 1, DEVICE_CLASS_HUMIDITY
).extend(
{
cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
OVERSAMPLING_OPTIONS, upper=True
),
}
),
cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
IIR_FILTER_OPTIONS, upper=True
),
}
)
.extend(cv.polling_component_schema("60s"))
.extend(i2c.i2c_device_schema(0x77))
)
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield i2c.register_i2c_device(var, config)
if CONF_TEMPERATURE in config:
conf = config[CONF_TEMPERATURE]
sens = yield sensor.new_sensor(conf)
cg.add(var.set_temperature_sensor(sens))
cg.add(var.set_temperature_oversampling(conf[CONF_OVERSAMPLING]))
if CONF_PRESSURE in config:
conf = config[CONF_PRESSURE]
sens = yield sensor.new_sensor(conf)
cg.add(var.set_pressure_sensor(sens))
cg.add(var.set_pressure_oversampling(conf[CONF_OVERSAMPLING]))
if CONF_HUMIDITY in config:
conf = config[CONF_HUMIDITY]
sens = yield sensor.new_sensor(conf)
cg.add(var.set_humidity_sensor(sens))
cg.add(var.set_humidity_oversampling(conf[CONF_OVERSAMPLING]))
cg.add(var.set_iir_filter(config[CONF_IIR_FILTER]))