esphome/esphome/components/mhz19/sensor.py
Nikolay Vasilchuk c5db457700 MH-Z19 calibration support (#683)
* Allow configuration to enable or disable automatic baseline calibration on boot
* Add actions to enable or disable automatic baseline calibration
* Add action to calibrate zero point
2019-08-27 10:33:25 -07:00

57 lines
2.4 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
from esphome.automation import maybe_simple_id
from esphome.components import sensor, uart
from esphome.const import CONF_CO2, CONF_ID, CONF_TEMPERATURE, ICON_PERIODIC_TABLE_CO2, \
UNIT_PARTS_PER_MILLION, UNIT_CELSIUS, ICON_THERMOMETER
DEPENDENCIES = ['uart']
CONF_AUTOMATIC_BASELINE_CALIBRATION = 'automatic_baseline_calibration'
mhz19_ns = cg.esphome_ns.namespace('mhz19')
MHZ19Component = mhz19_ns.class_('MHZ19Component', cg.PollingComponent, uart.UARTDevice)
MHZ19CalibrateZeroAction = mhz19_ns.class_('MHZ19CalibrateZeroAction', automation.Action)
MHZ19ABCEnableAction = mhz19_ns.class_('MHZ19ABCEnableAction', automation.Action)
MHZ19ABCDisableAction = mhz19_ns.class_('MHZ19ABCDisableAction', automation.Action)
CONFIG_SCHEMA = cv.Schema({
cv.GenerateID(): cv.declare_id(MHZ19Component),
cv.Required(CONF_CO2): sensor.sensor_schema(UNIT_PARTS_PER_MILLION, ICON_PERIODIC_TABLE_CO2, 0),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 0),
cv.Optional(CONF_AUTOMATIC_BASELINE_CALIBRATION): cv.boolean,
}).extend(cv.polling_component_schema('60s')).extend(uart.UART_DEVICE_SCHEMA)
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield uart.register_uart_device(var, config)
if CONF_CO2 in config:
sens = yield sensor.new_sensor(config[CONF_CO2])
cg.add(var.set_co2_sensor(sens))
if CONF_TEMPERATURE in config:
sens = yield sensor.new_sensor(config[CONF_TEMPERATURE])
cg.add(var.set_temperature_sensor(sens))
if CONF_AUTOMATIC_BASELINE_CALIBRATION in config:
cg.add(var.set_abc_enabled(config[CONF_AUTOMATIC_BASELINE_CALIBRATION]))
CALIBRATION_ACTION_SCHEMA = maybe_simple_id({
cv.Required(CONF_ID): cv.use_id(MHZ19Component),
})
@automation.register_action('mhz19.calibrate_zero', MHZ19CalibrateZeroAction,
CALIBRATION_ACTION_SCHEMA)
@automation.register_action('mhz19.abc_enable', MHZ19ABCEnableAction,
CALIBRATION_ACTION_SCHEMA)
@automation.register_action('mhz19.abc_disable', MHZ19ABCDisableAction,
CALIBRATION_ACTION_SCHEMA)
def mhz19_calibration_to_code(config, action_id, template_arg, args):
paren = yield cg.get_variable(config[CONF_ID])
yield cg.new_Pvariable(action_id, template_arg, paren)