8000 [lvgl] add on_boot trigger by clydebarrow · Pull Request #8498 · esphome/esphome · GitHub
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[lvgl] add on_boot trigger #8498

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Merged
merged 6 commits into from
Apr 8, 2025
Merged

[lvgl] add on_boot trigger #8498

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b62e0c6
[lvgl] add on_boot trigger
clydebarrow Apr 1, 2025
1d9b7d6
Add tests
clydebarrow Apr 1, 2025
3b51667
Merge branch 'dev' of https://github.com/esphome/esphome into lvgl-boot
clydebarrow Apr 8, 2025
a741ec6
Simplify on_boot
clydebarrow Apr 8, 2025
6b7e8a4
on_boot at top level fixed.
clydebarrow Apr 8, 2025
3efc2dd
Remove unrelated change
clydebarrow Apr 8, 2025
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4 changes: 3 additions & 1 deletion esphome/components/lvgl/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
CONF_GROUP,
CONF_ID,
CONF_LAMBDA,
CONF_ON_BOOT,
CONF_ON_IDLE,
CONF_PAGES,
CONF_TIMEOUT,
Expand Down Expand Up @@ -50,7 +51,7 @@
)
from .styles import add_top_layer, styles_to_code, theme_to_code
from .touchscreens import touchscreen_schema, touchscreens_to_code
from .trigger import generate_triggers
from .trigger import add_on_boot_triggers, generate_triggers
from .types import (
FontEngine,
IdleTrigger,
Expand Down Expand Up @@ -365,6 +366,7 @@ async def to_code(configs):
conf[CONF_TRIGGER_ID], lv_component, False
)
await build_automation(resume_trigger, [], conf)
await add_on_boot_triggers(config.get(CONF_ON_BOOT, ()))

# This must be done after all widgets are created
for comp in helpers.lvgl_components_required:
Expand Down
28 changes: 20 additions & 8 deletions esphome/components/lvgl/schemas.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
CONF_FORMAT,
CONF_GROUP,
CONF_ID,
CONF_ON_BOOT,
CONF_ON_VALUE,
CONF_STATE,
CONF_TEXT,
Expand All @@ -14,6 +15,7 @@
CONF_TYPE,
)
from esphome.core import TimePeriod
from esphome.core.config import StartupTrigger
from esphome.schema_extractors import SCHEMA_EXTRACT

from . import defines as df, lv_validation as lvalid
Expand Down Expand Up @@ -216,14 +218,24 @@ def automation_schema(typ: LvType):
events = events + (CONF_ON_VALUE,)
args = typ.get_arg_type() if isinstance(typ, LvType) else []
args.append(lv_event_t_ptr)
return {
cv.Optional(event): validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(Trigger.template(*args)),
}
)
for event in events
}
return cv.Schema(
{
cv.Optional(event): validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
Trigger.template(*args)
),
}
)
for event in events
}
).extend(
{
cv.Optional(CONF_ON_BOOT): validate_automation(
{cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(StartupTrigger)}
)
}
)


def base_update_schema(widget_type, parts):
Expand Down
11 changes: 10 additions & 1 deletion esphome/components/lvgl/trigger.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
from esphome import automation
import esphome.codegen as cg
from esphome.const import CONF_ID, CONF_ON_VALUE, CONF_TRIGGER_ID
from esphome.const import CONF_ID, CONF_ON_BOOT, CONF_ON_VALUE, CONF_TRIGGER_ID

from .defines import (
CONF_ALIGN,
Expand Down Expand Up @@ -28,6 +28,13 @@
from .widgets import LvScrActType, get_scr_act, widget_map


async def add_on_boot_triggers(triggers):
for conf in triggers:
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], 390)
await cg.register_component(trigger, conf)
await automation.build_automation(trigger, [], conf)


async def generate_triggers():
"""
Generate LVGL triggers for all defined widgets
Expand Down Expand Up < 8000 /td> @@ -75,6 +82,8 @@ async def generate_triggers():
UPDATE_EVENT,
)

await add_on_boot_triggers(w.config.get(CONF_ON_BOOT, ()))

# Generate align to directives while we're here
if align_to := w.config.get(CONF_ALIGN_TO):
target = widget_map[align_to[CONF_ID]].obj
Expand Down
6 changes: 6 additions & 0 deletions tests/components/lvgl/lvgl-package.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ lvgl:
logger.log: LVGL is Paused
on_resume:
logger.log: LVGL has resumed
on_boot:
logger.log: LVGL has started
bg_color: light_blue
disp_bg_color: color_id
disp_bg_image: cat_image
Expand Down Expand Up @@ -210,6 +212,10 @@ lvgl:
src: !lambda "return {dog_image, cat_image};"
duration: 2s
- label:
on_boot:
lvgl.label.update:
id: hello_label
text: Goodbye Cruel World
id: hello_label
text: Hello world
text_color: 0xFF8000
Expand Down
0