esphome/esphomeyaml/components/sensor/bme280.py
2018-05-14 11:50:56 +02:00

75 lines
3.4 KiB
Python

import voluptuous as vol
import esphomeyaml.config_validation as cv
from esphomeyaml.components import sensor
from esphomeyaml.components.sensor import MQTT_SENSOR_SCHEMA
from esphomeyaml.const import CONF_ADDRESS, CONF_HUMIDITY, CONF_ID, CONF_IIR_FILTER, CONF_NAME, \
CONF_OVERSAMPLING, CONF_PRESSURE, CONF_TEMPERATURE, CONF_UPDATE_INTERVAL
from esphomeyaml.helpers import App, RawExpression, add, variable
DEPENDENCIES = ['i2c']
OVERSAMPLING_OPTIONS = {
'NONE': 'sensor::BME280_OVERSAMPLING_NONE',
'1X': 'sensor::BME280_OVERSAMPLING_1X',
'2X': 'sensor::BME280_OVERSAMPLING_2X',
'4X': 'sensor::BME280_OVERSAMPLING_4X',
'8X': 'sensor::BME280_OVERSAMPLING_8X',
'16X': 'sensor::BME280_OVERSAMPLING_16X',
}
IIR_FILTER_OPTIONS = {
'OFF': 'sensor::BME280_IIR_FILTER_OFF',
'2X': 'sensor::BME280_IIR_FILTER_2X',
'4X': 'sensor::BME280_IIR_FILTER_4X',
'8X': 'sensor::BME280_IIR_FILTER_8X',
'16X': 'sensor::BME280_IIR_FILTER_16X',
}
BME280_OVERSAMPLING_SENSOR_SCHEMA = MQTT_SENSOR_SCHEMA.extend({
vol.Optional(CONF_OVERSAMPLING): vol.All(vol.Upper, vol.Any(*OVERSAMPLING_OPTIONS)),
})
PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
cv.GenerateID('bme280'): cv.register_variable_id,
vol.Optional(CONF_ADDRESS, default=0x77): cv.i2c_address,
vol.Required(CONF_TEMPERATURE): BME280_OVERSAMPLING_SENSOR_SCHEMA,
vol.Required(CONF_PRESSURE): BME280_OVERSAMPLING_SENSOR_SCHEMA,
vol.Required(CONF_HUMIDITY): BME280_OVERSAMPLING_SENSOR_SCHEMA,
vol.Optional(CONF_IIR_FILTER): vol.All(vol.Upper, vol.Any(*IIR_FILTER_OPTIONS)),
vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(sensor.MQTT_SENSOR_SCHEMA.schema)
def to_code(config):
rhs = App.make_bme280_sensor(config[CONF_TEMPERATURE][CONF_NAME],
config[CONF_PRESSURE][CONF_NAME],
config[CONF_HUMIDITY][CONF_NAME],
config[CONF_ADDRESS],
config.get(CONF_UPDATE_INTERVAL))
make = variable('Application::MakeBME280Sensor', config[CONF_ID], rhs)
bme280 = make.Pbme280
if CONF_OVERSAMPLING in config[CONF_TEMPERATURE]:
constant = OVERSAMPLING_OPTIONS[config[CONF_TEMPERATURE][CONF_OVERSAMPLING]]
add(bme280.set_temperature_oversampling(RawExpression(constant)))
if CONF_OVERSAMPLING in config[CONF_PRESSURE]:
constant = OVERSAMPLING_OPTIONS[config[CONF_PRESSURE][CONF_OVERSAMPLING]]
add(bme280.set_pressure_oversampling(RawExpression(constant)))
if CONF_OVERSAMPLING in config[CONF_HUMIDITY]:
constant = OVERSAMPLING_OPTIONS[config[CONF_HUMIDITY][CONF_OVERSAMPLING]]
add(bme280.set_humidity_oversampling(RawExpression(constant)))
if CONF_IIR_FILTER in config:
constant = IIR_FILTER_OPTIONS[config[CONF_IIR_FILTER]]
add(bme280.set_iir_filter(RawExpression(constant)))
sensor.setup_sensor(bme280.Pget_temperature_sensor(), config[CONF_TEMPERATURE])
sensor.setup_mqtt_sensor_component(make.Pmqtt_temperature, config[CONF_TEMPERATURE])
sensor.setup_sensor(bme280.Pget_pressure_sensor(), config[CONF_PRESSURE])
sensor.setup_mqtt_sensor_component(make.Pmqtt_pressure, config[CONF_PRESSURE])
sensor.setup_sensor(bme280.Pget_humidity_sensor(), config[CONF_HUMIDITY])
sensor.setup_mqtt_sensor_component(make.Pmqtt_humidity, config[CONF_HUMIDITY])
BUILD_FLAGS = '-DUSE_BME280'