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esphome/esphome/components/hc8/sensor.py
2025-11-20 09:24:45 -05:00

80 lines
2.3 KiB
Python

from esphome import automation
import esphome.codegen as cg
from esphome.components import sensor, uart
import esphome.config_validation as cv
from esphome.const import (
CONF_BASELINE,
CONF_CO2,
CONF_ID,
DEVICE_CLASS_CARBON_DIOXIDE,
ICON_MOLECULE_CO2,
STATE_CLASS_MEASUREMENT,
UNIT_PARTS_PER_MILLION,
)
DEPENDENCIES = ["uart"]
CONF_WARMUP_TIME = "warmup_time"
hc8_ns = cg.esphome_ns.namespace("hc8")
HC8Component = hc8_ns.class_("HC8Component", cg.PollingComponent, uart.UARTDevice)
HC8CalibrateAction = hc8_ns.class_("HC8CalibrateAction", automation.Action)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(HC8Component),
cv.Optional(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_WARMUP_TIME, default="75s"
): cv.positive_time_period_seconds,
}
)
.extend(cv.polling_component_schema("60s"))
.extend(uart.UART_DEVICE_SCHEMA)
)
FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
"hc8",
baud_rate=9600,
require_rx=True,
require_tx=True,
)
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 co2 := config.get(CONF_CO2):
sens = await sensor.new_sensor(co2)
cg.add(var.set_co2_sensor(sens))
cg.add(var.set_warmup_seconds(config[CONF_WARMUP_TIME]))
CALIBRATION_ACTION_SCHEMA = cv.Schema(
{
cv.Required(CONF_ID): cv.use_id(HC8Component),
cv.Required(CONF_BASELINE): cv.templatable(cv.uint16_t),
}
)
@automation.register_action(
"hc8.calibrate", HC8CalibrateAction, CALIBRATION_ACTION_SCHEMA
)
async def hc8_calibration_to_code(config, action_id, template_arg, args):
var = cg.new_Pvariable(action_id, template_arg)
await cg.register_parented(var, config[CONF_ID])
template_ = await cg.templatable(config[CONF_BASELINE], args, cg.uint16)
cg.add(var.set_baseline(template_))
return var