esphome/esphome/components/sds011/sensor.py
2021-09-07 10:12:26 +12:00

81 lines
2.7 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, uart
from esphome.const import (
CONF_ID,
CONF_PM_10_0,
CONF_PM_2_5,
CONF_RX_ONLY,
CONF_UPDATE_INTERVAL,
DEVICE_CLASS_PM25,
DEVICE_CLASS_PM10,
STATE_CLASS_MEASUREMENT,
UNIT_MICROGRAMS_PER_CUBIC_METER,
ICON_CHEMICAL_WEAPON,
)
DEPENDENCIES = ["uart"]
sds011_ns = cg.esphome_ns.namespace("sds011")
SDS011Component = sds011_ns.class_("SDS011Component", uart.UARTDevice, cg.Component)
def validate_sds011_rx_mode(value):
if CONF_UPDATE_INTERVAL in value and not value.get(CONF_RX_ONLY):
update_interval = value[CONF_UPDATE_INTERVAL]
if update_interval.total_minutes > 30:
raise cv.Invalid("Maximum update interval is 30min")
elif value.get(CONF_RX_ONLY) and CONF_UPDATE_INTERVAL in value:
# update_interval does not affect anything in rx-only mode, let's warn user about
# that
raise cv.Invalid(
"update_interval has no effect in rx_only mode. Please remove it.",
path=["update_interval"],
)
return value
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(): cv.declare_id(SDS011Component),
cv.Optional(CONF_PM_2_5): sensor.sensor_schema(
unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
icon=ICON_CHEMICAL_WEAPON,
accuracy_decimals=1,
device_class=DEVICE_CLASS_PM25,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_PM_10_0): sensor.sensor_schema(
unit_of_measurement=UNIT_MICROGRAMS_PER_CUBIC_METER,
icon=ICON_CHEMICAL_WEAPON,
accuracy_decimals=1,
device_class=DEVICE_CLASS_PM10,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_RX_ONLY, default=False): cv.boolean,
cv.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_minutes,
}
)
.extend(cv.COMPONENT_SCHEMA)
.extend(uart.UART_DEVICE_SCHEMA),
validate_sds011_rx_mode,
)
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_UPDATE_INTERVAL in config:
cg.add(var.set_update_interval_min(config[CONF_UPDATE_INTERVAL]))
cg.add(var.set_rx_mode_only(config[CONF_RX_ONLY]))
if CONF_PM_2_5 in config:
sens = await sensor.new_sensor(config[CONF_PM_2_5])
cg.add(var.set_pm_2_5_sensor(sens))
if CONF_PM_10_0 in config:
sens = await sensor.new_sensor(config[CONF_PM_10_0])
cg.add(var.set_pm_10_0_sensor(sens))