esphome/esphome/components/bme280/sensor.py

78 lines
3.3 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, CONF_UPDATE_INTERVAL, ICON_THERMOMETER, \
UNIT_CELSIUS, UNIT_HECTOPASCAL, ICON_GAUGE, ICON_WATER_PERCENT, 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_variable_id(BME280Component),
cv.Optional(CONF_TEMPERATURE): cv.nameable(
sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1).extend({
cv.Optional(CONF_OVERSAMPLING, default='16X'):
cv.one_of(*OVERSAMPLING_OPTIONS, upper=True),
})),
cv.Optional(CONF_PRESSURE): cv.nameable(
sensor.sensor_schema(UNIT_HECTOPASCAL, ICON_GAUGE, 1).extend({
cv.Optional(CONF_OVERSAMPLING, default='16X'):
cv.one_of(*OVERSAMPLING_OPTIONS, upper=True),
})),
cv.Optional(CONF_HUMIDITY): cv.nameable(
sensor.sensor_schema(UNIT_PERCENT, ICON_WATER_PERCENT, 1).extend({
cv.Optional(CONF_OVERSAMPLING, default='16X'):
cv.one_of(*OVERSAMPLING_OPTIONS, upper=True),
})),
cv.Optional(CONF_IIR_FILTER, default='OFF'): cv.one_of(*IIR_FILTER_OPTIONS, upper=True),
cv.Optional(CONF_UPDATE_INTERVAL, default='60s'): cv.update_interval,
}).extend(cv.COMPONENT_SCHEMA).extend(i2c.i2c_device_schema(0x77))
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID], config[CONF_UPDATE_INTERVAL])
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(OVERSAMPLING_OPTIONS[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(OVERSAMPLING_OPTIONS[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(OVERSAMPLING_OPTIONS[conf[CONF_OVERSAMPLING]]))
cg.add(var.set_iir_filter(IIR_FILTER_OPTIONS[config[CONF_IIR_FILTER]]))