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esphome-dev/esphome/components/lvgl/sensor/__init__.py
T
2024-08-06 03:56:48 +00:00

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Python

import esphome.codegen as cg
from esphome.components.sensor import Sensor, new_sensor, sensor_schema
import esphome.config_validation as cv
from ..defines import CONF_LVGL_ID, CONF_WIDGET
from ..lvcode import EVENT_ARG, LVGL_COMP_ARG, LambdaContext, LvContext, lv_add
from ..schemas import LVGL_SCHEMA
from ..types import LV_EVENT, LvNumber
from ..widgets import Widget, get_widgets
CONFIG_SCHEMA = (
sensor_schema(Sensor)
.extend(LVGL_SCHEMA)
.extend(
{
cv.Required(CONF_WIDGET): cv.use_id(LvNumber),
}
)
)
async def to_code(config):
sensor = await new_sensor(config)
paren = await cg.get_variable(config[CONF_LVGL_ID])
widget = await get_widgets(config, CONF_WIDGET)
widget = widget[0]
assert isinstance(widget, Widget)
async with LambdaContext(EVENT_ARG) as lamb:
lv_add(sensor.publish_state(widget.get_value()))
async with LvContext(paren, LVGL_COMP_ARG):
lv_add(
paren.add_event_cb(
widget.obj, await lamb.get_lambda(), LV_EVENT.VALUE_CHANGED
)
)