esphome/esphome/components/mhz19/sensor.py
2021-09-07 10:12:26 +12:00

90 lines
2.9 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,
DEVICE_CLASS_TEMPERATURE,
DEVICE_CLASS_CARBON_DIOXIDE,
ICON_MOLECULE_CO2,
STATE_CLASS_MEASUREMENT,
UNIT_PARTS_PER_MILLION,
UNIT_CELSIUS,
)
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_of_measurement=UNIT_PARTS_PER_MILLION,
icon=ICON_MOLECULE_CO2,
accuracy_decimals=0,
device_class=DEVICE_CLASS_CARBON_DIOXIDE,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=0,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_AUTOMATIC_BASELINE_CALIBRATION): cv.boolean,
}
)
.extend(cv.polling_component_schema("60s"))
.extend(uart.UART_DEVICE_SCHEMA)
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await uart.register_uart_device(var, config)
if CONF_CO2 in config:
sens = await sensor.new_sensor(config[CONF_CO2])
cg.add(var.set_co2_sensor(sens))
if CONF_TEMPERATURE in config:
sens = await 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
)
async def mhz19_calibration_to_code(config, action_id, template_arg, args):
paren = await cg.get_variable(config[CONF_ID])
return cg.new_Pvariable(action_id, template_arg, paren)