Merge pull request #7399 from esphome/bump-2024.8.2

2024.8.2

esphome/components/api/api_connection.cpp

@@ -179,6 +179,7 @@ void APIConnection::loop() {
       SubscribeHomeAssistantStateResponse resp;
       resp.entity_id = it.entity_id;
       resp.attribute = it.attribute.value();
+      resp.once = it.once;
       if (this->send_subscribe_home_assistant_state_response(resp)) {
         state_subs_at_++;
       }

esphome/components/datetime/__init__.py

@@ -186,7 +186,7 @@ async def datetime_date_set_to_code(config, action_id, template_arg, args):
 
     date_config = config[CONF_DATE]
     if cg.is_template(date_config):
-        template_ = await cg.templatable(date_config, [], cg.ESPTime)
+        template_ = await cg.templatable(date_config, args, cg.ESPTime)
         cg.add(action_var.set_date(template_))
     else:
         date_struct = cg.StructInitializer(
@@ -217,7 +217,7 @@ async def datetime_time_set_to_code(config, action_id, template_arg, args):
 
     time_config = config[CONF_TIME]
     if cg.is_template(time_config):
-        template_ = await cg.templatable(time_config, [], cg.ESPTime)
+        template_ = await cg.templatable(time_config, args, cg.ESPTime)
         cg.add(action_var.set_time(template_))
     else:
         time_struct = cg.StructInitializer(
@@ -248,7 +248,7 @@ async def datetime_datetime_set_to_code(config, action_id, template_arg, args):
 
     datetime_config = config[CONF_DATETIME]
     if cg.is_template(datetime_config):
-        template_ = await cg.templatable(datetime_config, [], cg.ESPTime)
+        template_ = await cg.templatable(datetime_config, args, cg.ESPTime)
         cg.add(action_var.set_datetime(template_))
     else:
         datetime_struct = cg.StructInitializer(

esphome/components/esp32/__init__.py

@@ -172,6 +172,19 @@ def add_idf_component(
             KEY_COMPONENTS: components,
             KEY_SUBMODULES: submodules,
         }
+    else:
+        component_config = CORE.data[KEY_ESP32][KEY_COMPONENTS][name]
+        if components is not None:
+            component_config[KEY_COMPONENTS] = list(
+                set(component_config[KEY_COMPONENTS] + components)
+            )
+        if submodules is not None:
+            if component_config[KEY_SUBMODULES] is None:
+                component_config[KEY_SUBMODULES] = submodules
+            else:
+                component_config[KEY_SUBMODULES] = list(
+                    set(component_config[KEY_SUBMODULES] + submodules)
+                )
 
 
 def add_extra_script(stage: str, filename: str, path: str):

esphome/components/ethernet/ethernet_component.cpp

@@ -472,13 +472,13 @@ void EthernetComponent::start_connect_() {
     if (err != ESP_ERR_ESP_NETIF_DHCP_ALREADY_STARTED) {
       ESPHL_ERROR_CHECK(err, "DHCPC start error");
     }
-#if USE_NETWORK_IPV6
-    err = esp_netif_create_ip6_linklocal(this->eth_netif_);
-    if (err != ESP_OK) {
-      ESPHL_ERROR_CHECK(err, "Enable IPv6 link local failed");
-    }
-#endif /* USE_NETWORK_IPV6 */
   }
+#if USE_NETWORK_IPV6
+  err = esp_netif_create_ip6_linklocal(this->eth_netif_);
+  if (err != ESP_OK) {
+    ESPHL_ERROR_CHECK(err, "Enable IPv6 link local failed");
+  }
+#endif /* USE_NETWORK_IPV6 */
 
   this->connect_begin_ = millis();
   this->status_set_warning();

esphome/components/lvgl/__init__.py

@@ -266,7 +266,10 @@ async def to_code(config):
         await add_top_layer(config)
         await msgboxes_to_code(config)
         await disp_update(f"{lv_component}->get_disp()", config)
-        Widget.set_completed()
+    # At this point only the setup code should be generated
+    assert LvContext.added_lambda_count == 1
+    Widget.set_completed()
+    async with LvContext(lv_component):
         await generate_triggers(lv_component)
         for conf in config.get(CONF_ON_IDLE, ()):
             templ = await cg.templatable(conf[CONF_TIMEOUT], [], cg.uint32)

esphome/components/lvgl/automation.py

@@ -5,6 +5,7 @@ from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_TIMEOUT
+from esphome.cpp_generator import RawExpression
 from esphome.cpp_types import nullptr
 
 from .defines import (
@@ -26,6 +27,7 @@ from .lvcode import (
     add_line_marks,
     lv,
     lv_add,
+    lv_expr,
     lv_obj,
     lvgl_comp,
 )
@@ -38,7 +40,13 @@ from .types import (
     lv_disp_t,
     lv_obj_t,
 )
-from .widgets import Widget, get_widgets, lv_scr_act, set_obj_properties
+from .widgets import (
+    Widget,
+    get_widgets,
+    lv_scr_act,
+    set_obj_properties,
+    wait_for_widgets,
+)
 
 
 async def action_to_code(
@@ -48,10 +56,12 @@ async def action_to_code(
     template_arg,
     args,
 ):
+    await wait_for_widgets()
     async with LambdaContext(parameters=args, where=action_id) as context:
+        with LvConditional(lv_expr.is_pre_initialise()):
+            context.add(RawExpression("return"))
         for widget in widgets:
-            with LvConditional(widget.obj != nullptr):
-                await action(widget)
+            await action(widget)
     var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
     return var
 

esphome/components/lvgl/binary_sensor/__init__.py

@@ -10,7 +10,7 @@ from ..defines import CONF_LVGL_ID, CONF_WIDGET
 from ..lvcode import EVENT_ARG, LambdaContext, LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, lv_pseudo_button_t
-from ..widgets import Widget, get_widgets
+from ..widgets import Widget, get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     binary_sensor_schema(BinarySensor)
@@ -29,6 +29,7 @@ async def to_code(config):
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
     assert isinstance(widget, Widget)
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pressed_ctx:
         pressed_ctx.add(sensor.publish_state(widget.is_pressed()))
     async with LvContext(paren) as ctx:

esphome/components/lvgl/defines.py

@@ -6,8 +6,8 @@ Constants already defined in esphome.const are not duplicated here and must be i
 
 from esphome import codegen as cg, config_validation as cv
 from esphome.const import CONF_ITEMS
-from esphome.core import ID, Lambda
-from esphome.cpp_generator import MockObj
+from esphome.core import Lambda
+from esphome.cpp_generator import LambdaExpression, MockObj
 from esphome.cpp_types import uint32
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
 
@@ -22,19 +22,22 @@ def literal(arg):
     return arg
 
 
+def call_lambda(lamb: LambdaExpression):
+    expr = lamb.content.strip()
+    if expr.startswith("return") and expr.endswith(";"):
+        return expr[7:][:-1]
+    return f"{lamb}()"
+
+
 class LValidator:
     """
     A validator for a particular type used in LVGL. Usable in configs as a validator, also
     has `process()` to convert a value during code generation
     """
 
-    def __init__(
-        self, validator, rtype, idtype=None, idexpr=None, retmapper=None, requires=None
-    ):
+    def __init__(self, validator, rtype, retmapper=None, requires=None):
         self.validator = validator
         self.rtype = rtype
-        self.idtype = idtype
-        self.idexpr = idexpr
         self.retmapper = retmapper
         self.requires = requires
 
@@ -43,8 +46,6 @@ class LValidator:
             value = requires_component(self.requires)(value)
         if isinstance(value, cv.Lambda):
             return cv.returning_lambda(value)
-        if self.idtype is not None and isinstance(value, ID):
-            return cv.use_id(self.idtype)(value)
         return self.validator(value)
 
     async def process(self, value, args=()):
@@ -52,10 +53,10 @@ class LValidator:
             return None
         if isinstance(value, Lambda):
             return cg.RawExpression(
-                f"{await cg.process_lambda(value, args, return_type=self.rtype)}()"
+                call_lambda(
+                    await cg.process_lambda(value, args, return_type=self.rtype)
+                )
             )
-        if self.idtype is not None and isinstance(value, ID):
-            return cg.RawExpression(f"{value}->{self.idexpr}")
         if self.retmapper is not None:
             return self.retmapper(value)
         return cg.safe_exp(value)
@@ -89,7 +90,7 @@ class LvConstant(LValidator):
             cv.ensure_list(self.one_of), uint32, retmapper=self.mapper
         )
 
-    def mapper(self, value, args=()):
+    def mapper(self, value):
         if not isinstance(value, list):
             value = [value]
         return literal(
@@ -103,7 +104,7 @@ class LvConstant(LValidator):
 
     def extend(self, *choices):
         """
-        Extend an LVCconstant with additional choices.
+        Extend an LVconstant with additional choices.
         :param choices: The extra choices
         :return: A new LVConstant instance
         """
@@ -431,6 +432,8 @@ CONF_ONE_LINE = "one_line"
 CONF_ON_SELECT = "on_select"
 CONF_ONE_CHECKED = "one_checked"
 CONF_NEXT = "next"
+CONF_PAD_ROW = "pad_row"
+CONF_PAD_COLUMN = "pad_column"
 CONF_PAGE = "page"
 CONF_PAGE_WRAP = "page_wrap"
 CONF_PASSWORD_MODE = "password_mode"
@@ -462,6 +465,7 @@ CONF_SKIP = "skip"
 CONF_SYMBOL = "symbol"
 CONF_TAB_ID = "tab_id"
 CONF_TABS = "tabs"
+CONF_TIME_FORMAT = "time_format"
 CONF_TILE = "tile"
 CONF_TILE_ID = "tile_id"
 CONF_TILES = "tiles"

esphome/components/lvgl/light/__init__.py

@@ -8,7 +8,7 @@ from ..defines import CONF_LVGL_ID
 from ..lvcode import LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LvType, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 lv_led_t = LvType("lv_led_t")
 LVLight = lvgl_ns.class_("LVLight", LightOutput)
@@ -28,5 +28,6 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_LED)
     widget = widget[0]
+    await wait_for_widgets()
     async with LvContext(paren) as ctx:
         ctx.add(var.set_obj(widget.obj))

esphome/components/lvgl/lv_validation.py

@@ -1,17 +1,14 @@
 from typing import Union
 
 import esphome.codegen as cg
-from esphome.components.binary_sensor import BinarySensor
 from esphome.components.color import ColorStruct
 from esphome.components.font import Font
 from esphome.components.image import Image_
-from esphome.components.sensor import Sensor
-from esphome.components.text_sensor import TextSensor
 import esphome.config_validation as cv
-from esphome.const import CONF_ARGS, CONF_COLOR, CONF_FORMAT, CONF_VALUE
-from esphome.core import HexInt
+from esphome.const import CONF_ARGS, CONF_COLOR, CONF_FORMAT, CONF_TIME, CONF_VALUE
+from esphome.core import HexInt, Lambda
 from esphome.cpp_generator import MockObj
-from esphome.cpp_types import uint32
+from esphome.cpp_types import ESPTime, uint32
 from esphome.helpers import cpp_string_escape
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
 
@@ -19,9 +16,11 @@ from . import types as ty
 from .defines import (
     CONF_END_VALUE,
     CONF_START_VALUE,
+    CONF_TIME_FORMAT,
     LV_FONTS,
     LValidator,
     LvConstant,
+    call_lambda,
     literal,
 )
 from .helpers import (
@@ -110,13 +109,13 @@ def angle(value):
 def size_validator(value):
     """A size in one axis - one of "size_content", a number (pixels) or a percentage"""
     if value == SCHEMA_EXTRACT:
-        return ["size_content", "pixels", "..%"]
+        return ["SIZE_CONTENT", "number of pixels", "percentage"]
     if isinstance(value, str) and value.lower().endswith("px"):
         value = cv.int_(value[:-2])
     if isinstance(value, str) and not value.endswith("%"):
         if value.upper() == "SIZE_CONTENT":
             return "LV_SIZE_CONTENT"
-        raise cv.Invalid("must be 'size_content', a pixel position or a percentage")
+        raise cv.Invalid("must be 'size_content', a percentage or an integer (pixels)")
     if isinstance(value, int):
         return cv.int_(value)
     # Will throw an exception if not a percentage.
@@ -125,6 +124,15 @@ def size_validator(value):
 
 size = LValidator(size_validator, uint32, retmapper=literal)
 
+
+def pixels_validator(value):
+    if isinstance(value, str) and value.lower().endswith("px"):
+        return cv.int_(value[:-2])
+    return cv.int_(value)
+
+
+pixels = LValidator(pixels_validator, uint32, retmapper=literal)
+
 radius_consts = LvConstant("LV_RADIUS_", "CIRCLE")
 
 
@@ -167,9 +175,7 @@ lv_image = LValidator(
     retmapper=lambda x: lv_expr.img_from(MockObj(x)),
     requires="image",
 )
-lv_bool = LValidator(
-    cv.boolean, cg.bool_, BinarySensor, "get_state()", retmapper=literal
-)
+lv_bool = LValidator(cv.boolean, cg.bool_, retmapper=literal)
 
 
 def lv_pct(value: Union[int, float]):
@@ -185,42 +191,60 @@ def lvms_validator_(value):
 
 
 lv_milliseconds = LValidator(
-    lvms_validator_,
-    cg.int32,
-    retmapper=lambda x: x.total_milliseconds,
+    lvms_validator_, cg.int32, retmapper=lambda x: x.total_milliseconds
 )
 
 
 class TextValidator(LValidator):
     def __init__(self):
-        super().__init__(
-            cv.string,
-            cg.const_char_ptr,
-            TextSensor,
-            "get_state().c_str()",
-            lambda s: cg.safe_exp(f"{s}"),
-        )
+        super().__init__(cv.string, cg.std_string, lambda s: cg.safe_exp(f"{s}"))
 
     def __call__(self, value):
-        if isinstance(value, dict):
+        if isinstance(value, dict) and CONF_FORMAT in value:
             return value
         return super().__call__(value)
 
     async def process(self, value, args=()):
         if isinstance(value, dict):
-            args = [str(x) for x in value[CONF_ARGS]]
-            arg_expr = cg.RawExpression(",".join(args))
-            format_str = cpp_string_escape(value[CONF_FORMAT])
-            return literal(f"str_sprintf({format_str}, {arg_expr}).c_str()")
+            if format_str := value.get(CONF_FORMAT):
+                args = [str(x) for x in value[CONF_ARGS]]
+                arg_expr = cg.RawExpression(",".join(args))
+                format_str = cpp_string_escape(format_str)
+                return literal(f"str_sprintf({format_str}, {arg_expr}).c_str()")
+            if time_format := value.get(CONF_TIME_FORMAT):
+                source = value[CONF_TIME]
+                if isinstance(source, Lambda):
+                    time_format = cpp_string_escape(time_format)
+                    return cg.RawExpression(
+                        call_lambda(
+                            await cg.process_lambda(source, args, return_type=ESPTime)
+                        )
+                        + f".strftime({time_format}).c_str()"
+                    )
+                # must be an ID
+                source = await cg.get_variable(source)
+                return source.now().strftime(time_format).c_str()
+        if isinstance(value, Lambda):
+            value = call_lambda(
+                await cg.process_lambda(value, args, return_type=self.rtype)
+            )
+
+            # Was the lambda call reduced to a string?
+            if value.endswith("c_str()") or (
+                value.endswith('"') and value.startswith('"')
+            ):
+                pass
+            else:
+                # Either a std::string or a lambda call returning that. We need const char*
+                value = f"({value}).c_str()"
+            return cg.RawExpression(value)
         return await super().process(value, args)
 
 
 lv_text = TextValidator()
-lv_float = LValidator(cv.float_, cg.float_, Sensor, "get_state()")
-lv_int = LValidator(cv.int_, cg.int_, Sensor, "get_state()")
-lv_brightness = LValidator(
-    cv.percentage, cg.float_, Sensor, "get_state()", retmapper=lambda x: int(x * 255)
-)
+lv_float = LValidator(cv.float_, cg.float_)
+lv_int = LValidator(cv.int_, cg.int_)
+lv_brightness = LValidator(cv.percentage, cg.float_, retmapper=lambda x: int(x * 255))
 
 
 def is_lv_font(font):

esphome/components/lvgl/lvcode.py

@@ -176,6 +176,8 @@ class LvContext(LambdaContext):
     Code generation into the LVGL initialisation code (called in `setup()`)
     """
 
+    added_lambda_count = 0
+
     def __init__(self, lv_component, args=None):
         self.args = args or LVGL_COMP_ARG
         super().__init__(parameters=self.args)
@@ -183,6 +185,7 @@ class LvContext(LambdaContext):
 
     async def add_init_lambda(self):
         cg.add(self.lv_component.add_init_lambda(await self.get_lambda()))
+        LvContext.added_lambda_count += 1
 
     async def __aexit__(self, exc_type, exc_val, exc_tb):
         await super().__aexit__(exc_type, exc_val, exc_tb)

esphome/components/lvgl/lvgl_esphome.cpp

@@ -294,6 +294,13 @@ void LvglComponent::loop() {
   }
   lv_timer_handler_run_in_period(5);
 }
+bool lv_is_pre_initialise() {
+  if (!lv_is_initialized()) {
+    ESP_LOGE(TAG, "LVGL call before component is initialised");
+    return true;
+  }
+  return false;
+}
 
 #ifdef USE_LVGL_IMAGE
 lv_img_dsc_t *lv_img_from(image::Image *src, lv_img_dsc_t *img_dsc) {

esphome/components/lvgl/lvgl_esphome.h

@@ -40,6 +40,7 @@ namespace lvgl {
 
 extern lv_event_code_t lv_api_event;     // NOLINT
 extern lv_event_code_t lv_update_event;  // NOLINT
+extern bool lv_is_pre_initialise();
 #ifdef USE_LVGL_COLOR
 inline lv_color_t lv_color_from(Color color) { return lv_color_make(color.red, color.green, color.blue); }
 #endif  // USE_LVGL_COLOR

esphome/components/lvgl/number/__init__.py

@@ -16,7 +16,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvNumber, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLNumber = lvgl_ns.class_("LVGLNumber", number.Number)
 
@@ -44,6 +44,7 @@ async def to_code(config):
         step=widget.get_step(),
     )
 
+    await wait_for_widgets()
     async with LambdaContext([(cg.float_, "v")]) as control:
         await widget.set_property(
             "value", MockObj("v") * MockObj(widget.get_scale()), config[CONF_ANIMATED]

esphome/components/lvgl/schemas.py

@@ -1,5 +1,6 @@
 from esphome import config_validation as cv
 from esphome.automation import Trigger, validate_automation
+from esphome.components.time import RealTimeClock
 from esphome.const import (
     CONF_ARGS,
     CONF_FORMAT,
@@ -8,6 +9,7 @@ from esphome.const import (
     CONF_ON_VALUE,
     CONF_STATE,
     CONF_TEXT,
+    CONF_TIME,
     CONF_TRIGGER_ID,
     CONF_TYPE,
 )
@@ -15,6 +17,7 @@ from esphome.core import TimePeriod
 from esphome.schema_extractors import SCHEMA_EXTRACT
 
 from . import defines as df, lv_validation as lvalid
+from .defines import CONF_TIME_FORMAT
 from .helpers import add_lv_use, requires_component, validate_printf
 from .lv_validation import lv_color, lv_font, lv_image
 from .lvcode import LvglComponent
@@ -46,7 +49,13 @@ TEXT_SCHEMA = cv.Schema(
                 ),
                 validate_printf,
             ),
-            lvalid.lv_text,
+            cv.Schema(
+                {
+                    cv.Required(CONF_TIME_FORMAT): cv.string,
+                    cv.GenerateID(CONF_TIME): cv.templatable(cv.use_id(RealTimeClock)),
+                }
+            ),
+            cv.templatable(cv.string),
         )
     }
 )
@@ -116,15 +125,13 @@ STYLE_PROPS = {
     "opa_layered": lvalid.opacity,
     "outline_color": lvalid.lv_color,
     "outline_opa": lvalid.opacity,
-    "outline_pad": lvalid.size,
-    "outline_width": lvalid.size,
-    "pad_all": lvalid.size,
-    "pad_bottom": lvalid.size,
-    "pad_column": lvalid.size,
-    "pad_left": lvalid.size,
-    "pad_right": lvalid.size,
-    "pad_row": lvalid.size,
-    "pad_top": lvalid.size,
+    "outline_pad": lvalid.pixels,
+    "outline_width": lvalid.pixels,
+    "pad_all": lvalid.pixels,
+    "pad_bottom": lvalid.pixels,
+    "pad_left": lvalid.pixels,
+    "pad_right": lvalid.pixels,
+    "pad_top": lvalid.pixels,
     "shadow_color": lvalid.lv_color,
     "shadow_ofs_x": cv.int_,
     "shadow_ofs_y": cv.int_,
@@ -304,6 +311,8 @@ LAYOUT_SCHEMA = {
                 cv.Required(df.CONF_GRID_COLUMNS): [grid_spec],
                 cv.Optional(df.CONF_GRID_COLUMN_ALIGN): grid_alignments,
                 cv.Optional(df.CONF_GRID_ROW_ALIGN): grid_alignments,
+                cv.Optional(df.CONF_PAD_ROW): lvalid.pixels,
+                cv.Optional(df.CONF_PAD_COLUMN): lvalid.pixels,
             },
             df.TYPE_FLEX: {
                 cv.Optional(
@@ -312,6 +321,8 @@ LAYOUT_SCHEMA = {
                 cv.Optional(df.CONF_FLEX_ALIGN_MAIN, default="start"): flex_alignments,
                 cv.Optional(df.CONF_FLEX_ALIGN_CROSS, default="start"): flex_alignments,
                 cv.Optional(df.CONF_FLEX_ALIGN_TRACK, default="start"): flex_alignments,
+                cv.Optional(df.CONF_PAD_ROW): lvalid.pixels,
+                cv.Optional(df.CONF_PAD_COLUMN): lvalid.pixels,
             },
         },
         lower=True,
@@ -338,7 +349,6 @@ DISP_BG_SCHEMA = cv.Schema(
     }
 )
 
-
 # A style schema that can include text
 STYLED_TEXT_SCHEMA = cv.maybe_simple_value(
     STYLE_SCHEMA.extend(TEXT_SCHEMA), key=CONF_TEXT

esphome/components/lvgl/select/__init__.py

@@ -15,7 +15,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvSelect, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLSelect = lvgl_ns.class_("LVGLSelect", select.Select)
 
@@ -37,6 +37,7 @@ async def to_code(config):
     options = widget.config.get(CONF_OPTIONS, [])
     selector = await select.new_select(config, options=options)
     paren = await cg.get_variable(config[CONF_LVGL_ID])
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pub_ctx:
         pub_ctx.add(selector.publish_index(widget.get_value()))
     async with LambdaContext([(cg.uint16, "v")]) as control:

esphome/components/lvgl/sensor/__init__.py

@@ -14,7 +14,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvNumber
-from ..widgets import Widget, get_widgets
+from ..widgets import Widget, get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     sensor_schema(Sensor)
@@ -33,6 +33,7 @@ async def to_code(config):
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
     assert isinstance(widget, Widget)
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as lamb:
         lv_add(sensor.publish_state(widget.get_value()))
     async with LvContext(paren, LVGL_COMP_ARG):

esphome/components/lvgl/switch/__init__.py

@@ -16,7 +16,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LV_STATE, lv_pseudo_button_t, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLSwitch = lvgl_ns.class_("LVGLSwitch", Switch)
 CONFIG_SCHEMA = (
@@ -35,6 +35,7 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as checked_ctx:
         checked_ctx.add(switch.publish_state(widget.get_value()))
     async with LambdaContext([(cg.bool_, "v")]) as control:

esphome/components/lvgl/text/__init__.py

@@ -15,7 +15,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvText, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLText = lvgl_ns.class_("LVGLText", text.Text)
 
@@ -32,6 +32,7 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext([(cg.std_string, "text_value")]) as control:
         await widget.set_property("text", "text_value.c_str())")
         lv.event_send(widget.obj, API_EVENT, None)

esphome/components/lvgl/text_sensor/__init__.py

@@ -10,7 +10,7 @@ from ..defines import CONF_LVGL_ID, CONF_WIDGET
 from ..lvcode import API_EVENT, EVENT_ARG, UPDATE_EVENT, LambdaContext, LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvText
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     text_sensor_schema(TextSensor)
@@ -28,6 +28,7 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pressed_ctx:
         pressed_ctx.add(sensor.publish_state(widget.get_value()))
     async with LvContext(paren) as ctx:

esphome/components/lvgl/widgets/__init__.py

@@ -20,6 +20,8 @@ from ..defines import (
     CONF_GRID_ROWS,
     CONF_LAYOUT,
     CONF_MAIN,
+    CONF_PAD_COLUMN,
+    CONF_PAD_ROW,
     CONF_SCROLLBAR_MODE,
     CONF_STYLES,
     CONF_WIDGETS,
@@ -29,6 +31,7 @@ from ..defines import (
     TYPE_FLEX,
     TYPE_GRID,
     LValidator,
+    call_lambda,
     join_enums,
     literal,
 )
@@ -220,6 +223,19 @@ async def get_widget_(wid: Widget):
     return await FakeAwaitable(get_widget_generator(wid))
 
 
+def widgets_wait_generator():
+    while True:
+        if Widget.widgets_completed:
+            return
+        yield
+
+
+async def wait_for_widgets():
+    if Widget.widgets_completed:
+        return
+    await FakeAwaitable(widgets_wait_generator())
+
+
 async def get_widgets(config: Union[dict, list], id: str = CONF_ID) -> list[Widget]:
     if not config:
         return []
@@ -273,6 +289,10 @@ async def set_obj_properties(w: Widget, config):
         layout_type: str = layout[CONF_TYPE]
         add_lv_use(layout_type)
         lv_obj.set_layout(w.obj, literal(f"LV_LAYOUT_{layout_type.upper()}"))
+        if (pad_row := layout.get(CONF_PAD_ROW)) is not None:
+            w.set_style(CONF_PAD_ROW, pad_row, 0)
+        if (pad_column := layout.get(CONF_PAD_COLUMN)) is not None:
+            w.set_style(CONF_PAD_COLUMN, pad_column, 0)
         if layout_type == TYPE_GRID:
             wid = config[CONF_ID]
             rows = [str(x) for x in layout[CONF_GRID_ROWS]]
@@ -316,8 +336,13 @@ async def set_obj_properties(w: Widget, config):
     flag_clr = set()
     flag_set = set()
     props = parts[CONF_MAIN][CONF_DEFAULT]
+    lambs = {}
+    flag_set = set()
+    flag_clr = set()
     for prop, value in {k: v for k, v in props.items() if k in OBJ_FLAGS}.items():
-        if value:
+        if isinstance(value, cv.Lambda):
+            lambs[prop] = value
+        elif value:
             flag_set.add(prop)
         else:
             flag_clr.add(prop)
@@ -327,6 +352,13 @@ async def set_obj_properties(w: Widget, config):
     if flag_clr:
         clrs = join_enums(flag_clr, "LV_OBJ_FLAG_")
         w.clear_flag(clrs)
+    for key, value in lambs.items():
+        lamb = await cg.process_lambda(value, [], return_type=cg.bool_)
+        flag = f"LV_OBJ_FLAG_{key.upper()}"
+        with LvConditional(call_lambda(lamb)) as cond:
+            w.add_flag(flag)
+            cond.else_()
+            w.clear_flag(flag)
 
     if states := config.get(CONF_STATE):
         adds = set()
@@ -348,7 +380,7 @@ async def set_obj_properties(w: Widget, config):
         for key, value in lambs.items():
             lamb = await cg.process_lambda(value, [], return_type=cg.bool_)
             state = f"LV_STATE_{key.upper()}"
-            with LvConditional(f"{lamb}()") as cond:
+            with LvConditional(call_lambda(lamb)) as cond:
                 w.add_state(state)
                 cond.else_()
                 w.clear_state(state)

esphome/components/lvgl/widgets/line.py

@@ -3,7 +3,7 @@ import functools
 import esphome.codegen as cg
 import esphome.config_validation as cv
 
-from ..defines import CONF_MAIN, literal
+from ..defines import CONF_MAIN
 from ..lvcode import lv
 from ..types import LvType
 from . import Widget, WidgetType
@@ -38,13 +38,15 @@ LINE_SCHEMA = {
 
 class LineType(WidgetType):
     def __init__(self):
-        super().__init__(CONF_LINE, LvType("lv_line_t"), (CONF_MAIN,), LINE_SCHEMA)
+        super().__init__(
+            CONF_LINE, LvType("lv_line_t"), (CONF_MAIN,), LINE_SCHEMA, modify_schema={}
+        )
 
     async def to_code(self, w: Widget, config):
         """For a line object, create and add the points"""
-        data = literal(config[CONF_POINTS])
-        points = cg.static_const_array(config[CONF_POINT_LIST_ID], data)
-        lv.line_set_points(w.obj, points, len(data))
+        if data := config.get(CONF_POINTS):
+            points = cg.static_const_array(config[CONF_POINT_LIST_ID], data)
+            lv.line_set_points(w.obj, points, len(data))
 
 
 line_spec = LineType()

esphome/components/lvgl/widgets/msgbox.py

@@ -13,7 +13,7 @@ from ..defines import (
     TYPE_FLEX,
     literal,
 )
-from ..helpers import add_lv_use
+from ..helpers import add_lv_use, lvgl_components_required
 from ..lv_validation import lv_bool, lv_pct, lv_text
 from ..lvcode import (
     EVENT_ARG,
@@ -72,6 +72,7 @@ async def msgbox_to_code(conf):
         *buttonmatrix_spec.get_uses(),
         *button_spec.get_uses(),
     )
+    lvgl_components_required.add("BUTTONMATRIX")
     messagebox_id = conf[CONF_ID]
     outer = lv_Pvariable(lv_obj_t, messagebox_id.id)
     buttonmatrix = new_Pvariable(

esphome/components/microphone/microphone.h

@@ -1,6 +1,9 @@
 #pragma once
 
-#include "esphome/core/entity_base.h"
+#include <stddef.h>
+#include <cstdint>
+#include <functional>
+#include <vector>
 #include "esphome/core/helpers.h"
 
 namespace esphome {

esphome/components/rp2040_pio_led_strip/led_strip.cpp

@@ -7,8 +7,10 @@
 
 #include <hardware/clocks.h>
 #include <hardware/dma.h>
+#include <hardware/irq.h>
 #include <hardware/pio.h>
 #include <pico/stdlib.h>
+#include <pico/sem.h>
 
 namespace esphome {
 namespace rp2040_pio_led_strip {
@@ -23,6 +25,19 @@ static std::map<Chipset, bool> conf_count_ = {
     {CHIPSET_WS2812, false},  {CHIPSET_WS2812B, false}, {CHIPSET_SK6812, false},
     {CHIPSET_SM16703, false}, {CHIPSET_CUSTOM, false},
 };
+static bool dma_chan_active_[12];
+static struct semaphore dma_write_complete_sem_[12];
+
+// DMA interrupt service routine
+void RP2040PIOLEDStripLightOutput::dma_write_complete_handler_() {
+  uint32_t channel = dma_hw->ints0;
+  for (uint dma_chan = 0; dma_chan < 12; ++dma_chan) {
+    if (RP2040PIOLEDStripLightOutput::dma_chan_active_[dma_chan] && (channel & (1u << dma_chan))) {
+      dma_hw->ints0 = (1u << dma_chan);                                               // Clear the interrupt
+      sem_release(&RP2040PIOLEDStripLightOutput::dma_write_complete_sem_[dma_chan]);  // Handle the interrupt
+    }
+  }
+}
 
 void RP2040PIOLEDStripLightOutput::setup() {
   ESP_LOGCONFIG(TAG, "Setting up RP2040 LED Strip...");
@@ -57,22 +72,22 @@ void RP2040PIOLEDStripLightOutput::setup() {
   // but there are only 4 state machines on each PIO so we can only have 4 strips per PIO
   uint offset = 0;
 
-  if (num_instance_[this->pio_ == pio0 ? 0 : 1] > 4) {
+  if (RP2040PIOLEDStripLightOutput::num_instance_[this->pio_ == pio0 ? 0 : 1] > 4) {
     ESP_LOGE(TAG, "Too many instances of PIO program");
     this->mark_failed();
     return;
   }
   // keep track of how many instances of the PIO program are running on each PIO
-  num_instance_[this->pio_ == pio0 ? 0 : 1]++;
+  RP2040PIOLEDStripLightOutput::num_instance_[this->pio_ == pio0 ? 0 : 1]++;
 
   // if there are multiple strips of the same chipset, we can reuse the same PIO program and save space
   if (this->conf_count_[this->chipset_]) {
-    offset = chipset_offsets_[this->chipset_];
+    offset = RP2040PIOLEDStripLightOutput::chipset_offsets_[this->chipset_];
   } else {
     // Load the assembled program into the PIO and get its location in the PIO's instruction memory and save it
     offset = pio_add_program(this->pio_, this->program_);
-    chipset_offsets_[this->chipset_] = offset;
-    conf_count_[this->chipset_] = true;
+    RP2040PIOLEDStripLightOutput::chipset_offsets_[this->chipset_] = offset;
+    RP2040PIOLEDStripLightOutput::conf_count_[this->chipset_] = true;
   }
 
   // Configure the state machine's PIO, and start it
@@ -93,6 +108,9 @@ void RP2040PIOLEDStripLightOutput::setup() {
     return;
   }
 
+  // Mark the DMA channel as active
+  RP2040PIOLEDStripLightOutput::dma_chan_active_[this->dma_chan_] = true;
+
   this->dma_config_ = dma_channel_get_default_config(this->dma_chan_);
   channel_config_set_transfer_data_size(
       &this->dma_config_,
@@ -109,6 +127,13 @@ void RP2040PIOLEDStripLightOutput::setup() {
                         false                                            // don't start yet
   );
 
+  // Initialize the semaphore for this DMA channel
+  sem_init(&RP2040PIOLEDStripLightOutput::dma_write_complete_sem_[this->dma_chan_], 1, 1);
+
+  irq_set_exclusive_handler(DMA_IRQ_0, dma_write_complete_handler_);  // after DMA all data, raise an interrupt
+  dma_channel_set_irq0_enabled(this->dma_chan_, true);                // map DMA channel to interrupt
+  irq_set_enabled(DMA_IRQ_0, true);                                   // enable interrupt
+
   this->init_(this->pio_, this->sm_, offset, this->pin_, this->max_refresh_rate_);
 }
 
@@ -126,6 +151,7 @@ void RP2040PIOLEDStripLightOutput::write_state(light::LightState *state) {
   }
 
   // the bits are already in the correct order for the pio program so we can just copy the buffer using DMA
+  sem_acquire_blocking(&RP2040PIOLEDStripLightOutput::dma_write_complete_sem_[this->dma_chan_]);
   dma_channel_transfer_from_buffer_now(this->dma_chan_, this->buf_, this->get_buffer_size_());
 }
 

esphome/components/rp2040_pio_led_strip/led_strip.h

@@ -13,6 +13,7 @@
 #include <hardware/pio.h>
 #include <hardware/structs/pio.h>
 #include <pico/stdio.h>
+#include <pico/sem.h>
 #include <map>
 
 namespace esphome {
@@ -95,6 +96,8 @@ class RP2040PIOLEDStripLightOutput : public light::AddressableLight {
 
   size_t get_buffer_size_() const { return this->num_leds_ * (3 + this->is_rgbw_); }
 
+  static void dma_write_complete_handler_();
+
   uint8_t *buf_{nullptr};
   uint8_t *effect_data_{nullptr};
 
@@ -120,6 +123,8 @@ class RP2040PIOLEDStripLightOutput : public light::AddressableLight {
   inline static int num_instance_[2];
   inline static std::map<Chipset, bool> conf_count_;
   inline static std::map<Chipset, int> chipset_offsets_;
+  inline static bool dma_chan_active_[12];
+  inline static struct semaphore dma_write_complete_sem_[12];
 };
 
 }  // namespace rp2040_pio_led_strip

esphome/components/rtttl/rtttl.cpp

@@ -32,7 +32,7 @@ void Rtttl::play(std::string rtttl) {
   if (this->state_ != State::STATE_STOPPED && this->state_ != State::STATE_STOPPING) {
     int pos = this->rtttl_.find(':');
     auto name = this->rtttl_.substr(0, pos);
-    ESP_LOGW(TAG, "RTTL Component is already playing: %s", name.c_str());
+    ESP_LOGW(TAG, "RTTTL Component is already playing: %s", name.c_str());
     return;
   }
 
@@ -122,6 +122,7 @@ void Rtttl::stop() {
 #ifdef USE_OUTPUT
   if (this->output_ != nullptr) {
     this->output_->set_level(0.0);
+    this->set_state_(STATE_STOPPED);
   }
 #endif
 #ifdef USE_SPEAKER
@@ -129,10 +130,10 @@ void Rtttl::stop() {
     if (this->speaker_->is_running()) {
       this->speaker_->stop();
     }
+    this->set_state_(STATE_STOPPING);
   }
 #endif
   this->note_duration_ = 0;
-  this->set_state_(STATE_STOPPING);
 }
 
 void Rtttl::loop() {
@@ -342,6 +343,7 @@ void Rtttl::finish_() {
 #ifdef USE_OUTPUT
   if (this->output_ != nullptr) {
     this->output_->set_level(0.0);
+    this->set_state_(State::STATE_STOPPED);
   }
 #endif
 #ifdef USE_SPEAKER
@@ -354,9 +356,9 @@ void Rtttl::finish_() {
     this->speaker_->play((uint8_t *) (&sample), 8);
 
     this->speaker_->finish();
+    this->set_state_(State::STATE_STOPPING);
   }
 #endif
-  this->set_state_(State::STATE_STOPPING);
   this->note_duration_ = 0;
   this->on_finished_playback_callback_.call();
   ESP_LOGD(TAG, "Playback finished");

esphome/components/speaker/speaker.h

@@ -1,5 +1,9 @@
 #pragma once
 
+#include <stddef.h>
+#include <cstdint>
+#include <vector>
+
 namespace esphome {
 namespace speaker {
 

esphome/components/waveshare_epaper/waveshare_epaper.cpp

@@ -480,7 +480,7 @@ void HOT WaveshareEPaperTypeA::display() {
   this->start_data_();
   switch (this->model_) {
     case TTGO_EPAPER_2_13_IN_B1: {  // block needed because of variable initializations
-      int16_t wb = ((this->get_width_internal()) >> 3);
+      int16_t wb = ((this->get_width_controller()) >> 3);
       for (int i = 0; i < this->get_height_internal(); i++) {
         for (int j = 0; j < wb; j++) {
           int idx = j + (this->get_height_internal() - 1 - i) * wb;
@@ -766,7 +766,7 @@ void WaveshareEPaper2P7InV2::initialize() {
   // XRAM_START_AND_END_POSITION
   this->command(0x44);
   this->data(0x00);
-  this->data(((get_width_internal() - 1) >> 3) & 0xFF);
+  this->data(((this->get_width_controller() - 1) >> 3) & 0xFF);
   // YRAM_START_AND_END_POSITION
   this->command(0x45);
   this->data(0x00);
@@ -928,8 +928,8 @@ void HOT WaveshareEPaper2P7InB::display() {
 
   // TCON_RESOLUTION
   this->command(0x61);
-  this->data(this->get_width_internal() >> 8);
-  this->data(this->get_width_internal() & 0xff);  // 176
+  this->data(this->get_width_controller() >> 8);
+  this->data(this->get_width_controller() & 0xff);  // 176
   this->data(this->get_height_internal() >> 8);
   this->data(this->get_height_internal() & 0xff);  // 264
 
@@ -994,7 +994,7 @@ void WaveshareEPaper2P7InBV2::initialize() {
   // self.SetWindows(0, 0, self.width-1, self.height-1)
   // SetWindows(self, Xstart, Ystart, Xend, Yend):
 
-  uint32_t xend = this->get_width_internal() - 1;
+  uint32_t xend = this->get_width_controller() - 1;
   uint32_t yend = this->get_height_internal() - 1;
   this->command(0x44);
   this->data(0x00);

esphome/config_validation.py

@@ -1864,7 +1864,7 @@ def maybe_simple_value(*validators, **kwargs):
         if value == SCHEMA_EXTRACT:
             return (validator, key)
 
-        if isinstance(value, dict):
+        if isinstance(value, dict) and key in value:
             return validator(value)
         return validator({key: value})
 

esphome/const.py

@@ -1,6 +1,6 @@
 """Constants used by esphome."""
 
-__version__ = "2024.8.0b2"
+__version__ = "2024.8.2"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (

esphome/storage_json.py

@@ -48,6 +48,8 @@ class StorageJSON:
         firmware_bin_path: str,
         loaded_integrations: set[str],
         no_mdns: bool,
+        framework: str | None = None,
+        core_platform: str | None = None,
     ) -> None:
         # Version of the storage JSON schema
         assert storage_version is None or isinstance(storage_version, int)
@@ -78,6 +80,10 @@ class StorageJSON:
         self.loaded_integrations = loaded_integrations
         # Is mDNS disabled
         self.no_mdns = no_mdns
+        # The framework used to compile the firmware
+        self.framework = framework
+        # The core platform of this firmware. Like "esp32", "rp2040", "host" etc.
+        self.core_platform = core_platform
 
     def as_dict(self):
         return {
@@ -94,6 +100,8 @@ class StorageJSON:
             "firmware_bin_path": self.firmware_bin_path,
             "loaded_integrations": sorted(self.loaded_integrations),
             "no_mdns": self.no_mdns,
+            "framework": self.framework,
+            "core_platform": self.core_platform,
         }
 
     def to_json(self):
@@ -127,6 +135,8 @@ class StorageJSON:
                 and CONF_DISABLED in esph.config[CONF_MDNS]
                 and esph.config[CONF_MDNS][CONF_DISABLED] is True
             ),
+            framework=esph.target_framework,
+            core_platform=esph.target_platform,
         )
 
     @staticmethod
@@ -147,6 +157,8 @@ class StorageJSON:
             firmware_bin_path=None,
             loaded_integrations=set(),
             no_mdns=False,
+            framework=None,
+            core_platform=platform.lower(),
         )
 
     @staticmethod
@@ -168,6 +180,8 @@ class StorageJSON:
         firmware_bin_path = storage.get("firmware_bin_path")
         loaded_integrations = set(storage.get("loaded_integrations", []))
         no_mdns = storage.get("no_mdns", False)
+        framework = storage.get("framework")
+        core_platform = storage.get("core_platform")
         return StorageJSON(
             storage_version,
             name,
@@ -182,6 +196,8 @@ class StorageJSON:
             firmware_bin_path,
             loaded_integrations,
             no_mdns,
+            framework,
+            core_platform,
         )
 
     @staticmethod

esphome/writer.py

@@ -9,6 +9,7 @@ from esphome.config import iter_component_configs, iter_components
 from esphome.const import (
     ENV_NOGITIGNORE,
     HEADER_FILE_EXTENSIONS,
+    PLATFORM_ESP32,
     SOURCE_FILE_EXTENSIONS,
     __version__,
 )
@@ -106,6 +107,11 @@ def storage_should_clean(old: StorageJSON, new: StorageJSON) -> bool:
         return True
     if old.build_path != new.build_path:
         return True
+    if old.loaded_integrations != new.loaded_integrations:
+        if new.core_platform == PLATFORM_ESP32:
+            from esphome.components.esp32 import FRAMEWORK_ESP_IDF
+
+            return new.framework == FRAMEWORK_ESP_IDF
     return False
 
 
@@ -117,7 +123,9 @@ def update_storage_json():
         return
 
     if storage_should_clean(old, new):
-        _LOGGER.info("Core config or version changed, cleaning build files...")
+        _LOGGER.info(
+            "Core config, version or integrations changed, cleaning build files..."
+        )
         clean_build()
 
     new.save(path)

tests/components/lvgl/common.yaml

@@ -127,3 +127,11 @@ binary_sensor:
   - platform: lvgl
     name: LVGL checkbox
     widget: checkbox_id
+
+wifi:
+  ssid: SSID
+  password: PASSWORD123
+
+time:
+  platform: sntp
+  id: time_id

tests/components/lvgl/lvgl-package.yaml

@@ -16,8 +16,6 @@ lvgl:
       border_width: 0
       radius: 0
       pad_all: 0
-      pad_row: 0
-      pad_column: 0
       border_color: 0x0077b3
       text_color: 0xFFFFFF
       width: 100%
@@ -55,6 +53,13 @@ lvgl:
   pages:
     - id: page1
       skip: true
+      layout:
+        type: flex
+        pad_row: 4
+        pad_column: 4px
+        flex_align_main: center
+        flex_align_cross: start
+        flex_align_track: end
       widgets:
         - animimg:
             height: 60
@@ -118,10 +123,8 @@ lvgl:
             outline_width: 10px
             pad_all: 10px
             pad_bottom: 10px
-            pad_column: 10px
             pad_left: 10px
             pad_right: 10px
-            pad_row: 10px
             pad_top: 10px
             shadow_color: light_blue
             shadow_ofs_x: 5
@@ -221,10 +224,47 @@ lvgl:
               - label:
                   text: Button
             on_click:
-              lvgl.label.update:
-                id: hello_label
-                bg_color: 0x123456
-                text: clicked
+              - lvgl.label.update:
+                  id: hello_label
+                  bg_color: 0x123456
+                  text: clicked
+              - lvgl.label.update:
+                  id: hello_label
+                  text: !lambda return "hello world";
+              - lvgl.label.update:
+                  id: hello_label
+                  text: !lambda |-
+                        ESP_LOGD("label", "multi-line lambda");
+                        return "hello world";
+              - lvgl.label.update:
+                  id: hello_label
+                  text: !lambda 'return str_sprintf("Hello space");'
+              - lvgl.label.update:
+                  id: hello_label
+                  text:
+                    format: "sprintf format %s"
+                    args: ['x ? "checked" : "unchecked"']
+              - lvgl.label.update:
+                  id: hello_label
+                  text:
+                    time_format: "%c"
+              - lvgl.label.update:
+                  id: hello_label
+                  text:
+                    time_format: "%c"
+                    time: time_id
+              - lvgl.label.update:
+                  id: hello_label
+                  text:
+                    time_format: "%c"
+                    time: !lambda return id(time_id).now();
+              - lvgl.label.update:
+                  id: hello_label
+                  text:
+                    time_format: "%c"
+                    time: !lambda |-
+                        ESP_LOGD("label", "multi-line lambda");
+                        return id(time_id).now();
             on_value:
               logger.log:
                 format: "state now %d"
@@ -339,6 +379,7 @@ lvgl:
                     format: "bar value %f"
                     args: [x]
         - line:
+            id: lv_line_id
             align: center
             points:
               - 5, 5
@@ -347,7 +388,10 @@ lvgl:
               - 180, 60
               - 240, 10
             on_click:
-              lvgl.page.next:
+              - lvgl.widget.update:
+                  id: lv_line_id
+                  line_color: 0xFFFF
+              - lvgl.page.next:
         - switch:
             align: right_mid
         - checkbox:
@@ -396,6 +440,8 @@ lvgl:
                   grid_row_align: end
                   grid_rows: [25px, fr(1), content]
                   grid_columns: [40, fr(1), fr(1)]
+                  pad_row: 6px
+                  pad_column: 0
                 widgets:
                   - image:
                       grid_cell_row_pos: 0