[logger] RP2040: Use write() with known length instead of println()

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick+github@koston.org>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>
Co-authored-by: J. Nick Koston <nick@koston.org>

.clang-tidy.hash

@@ -1 +1 @@
-766420905c06eeb6c5f360f68fd965e5ddd9c4a5db6b823263d3ad3accb64a07
+4268ab0b5150f79ab1c317e8f3834c8bb0b4c8122da4f6b1fd67c49d0f2098c9

.github/workflows/ci-docker.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           python-version: "3.11"
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
       - name: Set TAG
         run: |

.github/workflows/codeql.yml

@@ -58,7 +58,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@1b168cd39490f61582a9beae412bb7057a6b2c4e # v4.31.8
+        uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -86,6 +86,6 @@ jobs:
           exit 1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@1b168cd39490f61582a9beae412bb7057a6b2c4e # v4.31.8
+        uses: github/codeql-action/analyze@5d4e8d1aca955e8d8589aabd499c5cae939e33c7 # v4.31.9
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/release.yml

@@ -99,7 +99,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
       - name: Log in to docker hub
         uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
@@ -178,7 +178,7 @@ jobs:
           merge-multiple: true
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'

.gitignore

@@ -91,6 +91,10 @@ venv-*/
 # mypy
 .mypy_cache/
 
+# nix
+/default.nix
+/shell.nix
+
 .pioenvs
 .piolibdeps
 .pio

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.14.9
+    rev: v0.14.10
     hooks:
       # Run the linter.
       - id: ruff

CODEOWNERS

@@ -42,6 +42,7 @@ esphome/components/animation/* @syndlex
 esphome/components/anova/* @buxtronix
 esphome/components/apds9306/* @aodrenah
 esphome/components/api/* @esphome/core
+esphome/components/aqi/* @freekode @jasstrong @ximex
 esphome/components/as5600/* @ammmze
 esphome/components/as5600/sensor/* @ammmze
 esphome/components/as7341/* @mrgnr
@@ -215,6 +216,7 @@ esphome/components/hlk_fm22x/* @OnFreund
 esphome/components/hlw8032/* @rici4kubicek
 esphome/components/hm3301/* @freekode
 esphome/components/hmac_md5/* @dwmw2
+esphome/components/hmac_sha256/* @dwmw2
 esphome/components/homeassistant/* @esphome/core @OttoWinter
 esphome/components/homeassistant/number/* @landonr
 esphome/components/homeassistant/switch/* @Links2004
@@ -535,6 +537,7 @@ esphome/components/version/* @esphome/core
 esphome/components/voice_assistant/* @jesserockz @kahrendt
 esphome/components/wake_on_lan/* @clydebarrow @willwill2will54
 esphome/components/watchdog/* @oarcher
+esphome/components/water_heater/* @dhoeben
 esphome/components/waveshare_epaper/* @clydebarrow
 esphome/components/web_server/ota/* @esphome/core
 esphome/components/web_server_base/* @esphome/core

esphome/__main__.py

@@ -518,10 +518,49 @@ def compile_program(args: ArgsProtocol, config: ConfigType) -> int:
     rc = platformio_api.run_compile(config, CORE.verbose)
     if rc != 0:
         return rc
+
+    # Check if firmware was rebuilt and emit build_info + create manifest
+    _check_and_emit_build_info()
+
     idedata = platformio_api.get_idedata(config)
     return 0 if idedata is not None else 1
 
 
+def _check_and_emit_build_info() -> None:
+    """Check if firmware was rebuilt and emit build_info."""
+    import json
+
+    firmware_path = CORE.firmware_bin
+    build_info_json_path = CORE.relative_build_path("build_info.json")
+
+    # Check if both files exist
+    if not firmware_path.exists() or not build_info_json_path.exists():
+        return
+
+    # Check if firmware is newer than build_info (indicating a relink occurred)
+    if firmware_path.stat().st_mtime <= build_info_json_path.stat().st_mtime:
+        return
+
+    # Read build_info from JSON
+    try:
+        with open(build_info_json_path, encoding="utf-8") as f:
+            build_info = json.load(f)
+    except (OSError, json.JSONDecodeError) as e:
+        _LOGGER.debug("Failed to read build_info: %s", e)
+        return
+
+    config_hash = build_info.get("config_hash")
+    build_time_str = build_info.get("build_time_str")
+
+    if config_hash is None or build_time_str is None:
+        return
+
+    # Emit build_info with human-readable time
+    _LOGGER.info(
+        "Build Info: config_hash=0x%08x build_time_str=%s", config_hash, build_time_str
+    )
+
+
 def upload_using_esptool(
     config: ConfigType, port: str, file: str, speed: int
 ) -> str | int:

esphome/components/ade7880/sensor.py

@@ -227,7 +227,7 @@ CONFIG_SCHEMA = cv.All(
         {
             cv.GenerateID(): cv.declare_id(ADE7880),
             cv.Optional(CONF_FREQUENCY, default="50Hz"): cv.All(
-                cv.frequency, cv.Range(min=45.0, max=66.0)
+                cv.frequency, cv.float_range(min=45.0, max=66.0)
             ),
             cv.Optional(CONF_IRQ0_PIN): pins.internal_gpio_input_pin_schema,
             cv.Required(CONF_IRQ1_PIN): pins.internal_gpio_input_pin_schema,

esphome/components/alarm_control_panel/alarm_control_panel.cpp

@@ -35,26 +35,12 @@ void AlarmControlPanel::publish_state(AlarmControlPanelState state) {
     ESP_LOGD(TAG, "Set state to: %s, previous: %s", LOG_STR_ARG(alarm_control_panel_state_to_string(state)),
              LOG_STR_ARG(alarm_control_panel_state_to_string(prev_state)));
     this->current_state_ = state;
+    // Single state callback - triggers check get_state() for specific states
     this->state_callback_.call();
 #if defined(USE_ALARM_CONTROL_PANEL) && defined(USE_CONTROLLER_REGISTRY)
     ControllerRegistry::notify_alarm_control_panel_update(this);
 #endif
-    if (state == ACP_STATE_TRIGGERED) {
-      this->triggered_callback_.call();
-    } else if (state == ACP_STATE_ARMING) {
-      this->arming_callback_.call();
-    } else if (state == ACP_STATE_PENDING) {
-      this->pending_callback_.call();
-    } else if (state == ACP_STATE_ARMED_HOME) {
-      this->armed_home_callback_.call();
-    } else if (state == ACP_STATE_ARMED_NIGHT) {
-      this->armed_night_callback_.call();
-    } else if (state == ACP_STATE_ARMED_AWAY) {
-      this->armed_away_callback_.call();
-    } else if (state == ACP_STATE_DISARMED) {
-      this->disarmed_callback_.call();
-    }
-
+    // Cleared fires when leaving TRIGGERED state
     if (prev_state == ACP_STATE_TRIGGERED) {
       this->cleared_callback_.call();
     }
@@ -69,34 +55,6 @@ void AlarmControlPanel::add_on_state_callback(std::function<void()> &&callback)
   this->state_callback_.add(std::move(callback));
 }
 
-void AlarmControlPanel::add_on_triggered_callback(std::function<void()> &&callback) {
-  this->triggered_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_arming_callback(std::function<void()> &&callback) {
-  this->arming_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_home_callback(std::function<void()> &&callback) {
-  this->armed_home_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_night_callback(std::function<void()> &&callback) {
-  this->armed_night_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_armed_away_callback(std::function<void()> &&callback) {
-  this->armed_away_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_pending_callback(std::function<void()> &&callback) {
-  this->pending_callback_.add(std::move(callback));
-}
-
-void AlarmControlPanel::add_on_disarmed_callback(std::function<void()> &&callback) {
-  this->disarmed_callback_.add(std::move(callback));
-}
-
 void AlarmControlPanel::add_on_cleared_callback(std::function<void()> &&callback) {
   this->cleared_callback_.add(std::move(callback));
 }

esphome/components/alarm_control_panel/alarm_control_panel.h

@@ -35,54 +35,13 @@ class AlarmControlPanel : public EntityBase {
    */
   void publish_state(AlarmControlPanelState state);
 
-  /** Add a callback for when the state of the alarm_control_panel changes
+  /** Add a callback for when the state of the alarm_control_panel changes.
+   * Triggers can check get_state() to determine the new state.
    *
    * @param callback The callback function
    */
   void add_on_state_callback(std::function<void()> &&callback);
 
-  /** Add a callback for when the state of the alarm_control_panel chanes to triggered
-   *
-   * @param callback The callback function
-   */
-  void add_on_triggered_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel chanes to arming
-   *
-   * @param callback The callback function
-   */
-  void add_on_arming_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to pending
-   *
-   * @param callback The callback function
-   */
-  void add_on_pending_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_home
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_home_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_night
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_night_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to armed_away
-   *
-   * @param callback The callback function
-   */
-  void add_on_armed_away_callback(std::function<void()> &&callback);
-
-  /** Add a callback for when the state of the alarm_control_panel changes to disarmed
-   *
-   * @param callback The callback function
-   */
-  void add_on_disarmed_callback(std::function<void()> &&callback);
-
   /** Add a callback for when the state of the alarm_control_panel clears from triggered
    *
    * @param callback The callback function
@@ -172,28 +131,14 @@ class AlarmControlPanel : public EntityBase {
   uint32_t last_update_;
   // the call control function
   virtual void control(const AlarmControlPanelCall &call) = 0;
-  // state callback
-  CallbackManager<void()> state_callback_{};
-  // trigger callback
-  CallbackManager<void()> triggered_callback_{};
-  // arming callback
-  CallbackManager<void()> arming_callback_{};
-  // pending callback
-  CallbackManager<void()> pending_callback_{};
-  // armed_home callback
-  CallbackManager<void()> armed_home_callback_{};
-  // armed_night callback
-  CallbackManager<void()> armed_night_callback_{};
-  // armed_away callback
-  CallbackManager<void()> armed_away_callback_{};
-  // disarmed callback
-  CallbackManager<void()> disarmed_callback_{};
-  // clear callback
-  CallbackManager<void()> cleared_callback_{};
+  // state callback - triggers check get_state() for specific state
+  LazyCallbackManager<void()> state_callback_{};
+  // clear callback - fires when leaving TRIGGERED state
+  LazyCallbackManager<void()> cleared_callback_{};
   // chime callback
-  CallbackManager<void()> chime_callback_{};
+  LazyCallbackManager<void()> chime_callback_{};
   // ready callback
-  CallbackManager<void()> ready_callback_{};
+  LazyCallbackManager<void()> ready_callback_{};
 };
 
 }  // namespace alarm_control_panel

esphome/components/alarm_control_panel/automation.h

@@ -6,6 +6,7 @@
 namespace esphome {
 namespace alarm_control_panel {
 
+/// Trigger on any state change
 class StateTrigger : public Trigger<> {
  public:
   explicit StateTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -13,55 +14,30 @@ class StateTrigger : public Trigger<> {
   }
 };
 
-class TriggeredTrigger : public Trigger<> {
+/// Template trigger that fires when entering a specific state
+template<AlarmControlPanelState State> class StateEnterTrigger : public Trigger<> {
  public:
-  explicit TriggeredTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_triggered_callback([this]() { this->trigger(); });
+  explicit StateEnterTrigger(AlarmControlPanel *alarm_control_panel) : alarm_control_panel_(alarm_control_panel) {
+    alarm_control_panel->add_on_state_callback([this]() {
+      if (this->alarm_control_panel_->get_state() == State)
+        this->trigger();
+    });
   }
+
+ protected:
+  AlarmControlPanel *alarm_control_panel_;
 };
 
-class ArmingTrigger : public Trigger<> {
- public:
-  explicit ArmingTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_arming_callback([this]() { this->trigger(); });
-  }
-};
-
-class PendingTrigger : public Trigger<> {
- public:
-  explicit PendingTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_pending_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedHomeTrigger : public Trigger<> {
- public:
-  explicit ArmedHomeTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_home_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedNightTrigger : public Trigger<> {
- public:
-  explicit ArmedNightTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_night_callback([this]() { this->trigger(); });
-  }
-};
-
-class ArmedAwayTrigger : public Trigger<> {
- public:
-  explicit ArmedAwayTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_armed_away_callback([this]() { this->trigger(); });
-  }
-};
-
-class DisarmedTrigger : public Trigger<> {
- public:
-  explicit DisarmedTrigger(AlarmControlPanel *alarm_control_panel) {
-    alarm_control_panel->add_on_disarmed_callback([this]() { this->trigger(); });
-  }
-};
+// Type aliases for state-specific triggers
+using TriggeredTrigger = StateEnterTrigger<ACP_STATE_TRIGGERED>;
+using ArmingTrigger = StateEnterTrigger<ACP_STATE_ARMING>;
+using PendingTrigger = StateEnterTrigger<ACP_STATE_PENDING>;
+using ArmedHomeTrigger = StateEnterTrigger<ACP_STATE_ARMED_HOME>;
+using ArmedNightTrigger = StateEnterTrigger<ACP_STATE_ARMED_NIGHT>;
+using ArmedAwayTrigger = StateEnterTrigger<ACP_STATE_ARMED_AWAY>;
+using DisarmedTrigger = StateEnterTrigger<ACP_STATE_DISARMED>;
 
+/// Trigger when leaving TRIGGERED state (alarm cleared)
 class ClearedTrigger : public Trigger<> {
  public:
   explicit ClearedTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -69,6 +45,7 @@ class ClearedTrigger : public Trigger<> {
   }
 };
 
+/// Trigger on chime event (zone opened while disarmed)
 class ChimeTrigger : public Trigger<> {
  public:
   explicit ChimeTrigger(AlarmControlPanel *alarm_control_panel) {
@@ -76,6 +53,7 @@ class ChimeTrigger : public Trigger<> {
   }
 };
 
+/// Trigger on ready state change
 class ReadyTrigger : public Trigger<> {
  public:
   explicit ReadyTrigger(AlarmControlPanel *alarm_control_panel) {

esphome/components/api/api.proto

@@ -477,7 +477,7 @@ message FanCommandRequest {
   bool has_speed_level = 10;
   int32 speed_level = 11;
   bool has_preset_mode = 12;
-  string preset_mode = 13;
+  string preset_mode = 13 [(pointer_to_buffer) = true];
   uint32 device_id = 14 [(field_ifdef) = "USE_DEVICES"];
 }
 
@@ -747,7 +747,7 @@ message NoiseEncryptionSetKeyRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_API_NOISE";
 
-  bytes key = 1;
+  bytes key = 1 [(pointer_to_buffer) = true];
 }
 
 message NoiseEncryptionSetKeyResponse {
@@ -824,9 +824,9 @@ message HomeAssistantStateResponse {
   option (no_delay) = true;
   option (ifdef) = "USE_API_HOMEASSISTANT_STATES";
 
-  string entity_id = 1;
-  string state = 2;
-  string attribute = 3;
+  string entity_id = 1 [(pointer_to_buffer) = true];
+  string state = 2 [(pointer_to_buffer) = true];
+  string attribute = 3 [(pointer_to_buffer) = true];
 }
 
 // ==================== IMPORT TIME ====================
@@ -1091,16 +1091,95 @@ message ClimateCommandRequest {
   bool has_swing_mode = 14;
   ClimateSwingMode swing_mode = 15;
   bool has_custom_fan_mode = 16;
-  string custom_fan_mode = 17;
+  string custom_fan_mode = 17 [(pointer_to_buffer) = true];
   bool has_preset = 18;
   ClimatePreset preset = 19;
   bool has_custom_preset = 20;
-  string custom_preset = 21;
+  string custom_preset = 21 [(pointer_to_buffer) = true];
   bool has_target_humidity = 22;
   float target_humidity = 23;
   uint32 device_id = 24 [(field_ifdef) = "USE_DEVICES"];
 }
 
+// ==================== WATER_HEATER ====================
+enum WaterHeaterMode {
+  WATER_HEATER_MODE_OFF = 0;
+  WATER_HEATER_MODE_ECO = 1;
+  WATER_HEATER_MODE_ELECTRIC = 2;
+  WATER_HEATER_MODE_PERFORMANCE = 3;
+  WATER_HEATER_MODE_HIGH_DEMAND = 4;
+  WATER_HEATER_MODE_HEAT_PUMP = 5;
+  WATER_HEATER_MODE_GAS = 6;
+}
+
+message ListEntitiesWaterHeaterResponse {
+  option (id) = 132;
+  option (base_class) = "InfoResponseProtoMessage";
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_WATER_HEATER";
+
+  string object_id = 1;
+  fixed32 key = 2;
+  string name = 3;
+  string icon = 4 [(field_ifdef) = "USE_ENTITY_ICON"];
+  bool disabled_by_default = 5;
+  EntityCategory entity_category = 6;
+  uint32 device_id = 7 [(field_ifdef) = "USE_DEVICES"];
+  float min_temperature = 8;
+  float max_temperature = 9;
+  float target_temperature_step = 10;
+  repeated WaterHeaterMode supported_modes = 11 [(container_pointer_no_template) = "water_heater::WaterHeaterModeMask"];
+  // Bitmask of WaterHeaterFeature flags
+  uint32 supported_features = 12;
+}
+
+message WaterHeaterStateResponse {
+  option (id) = 133;
+  option (base_class) = "StateResponseProtoMessage";
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_WATER_HEATER";
+  option (no_delay) = true;
+
+  fixed32 key = 1;
+  float current_temperature = 2;
+  float target_temperature = 3;
+  WaterHeaterMode mode = 4;
+  uint32 device_id = 5 [(field_ifdef) = "USE_DEVICES"];
+  // Bitmask of current state flags (bit 0 = away, bit 1 = on)
+  uint32 state = 6;
+  float target_temperature_low = 7;
+  float target_temperature_high = 8;
+}
+
+// Bitmask for WaterHeaterCommandRequest.has_fields
+enum WaterHeaterCommandHasField {
+  WATER_HEATER_COMMAND_HAS_NONE = 0;
+  WATER_HEATER_COMMAND_HAS_MODE = 1;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE = 2;
+  WATER_HEATER_COMMAND_HAS_STATE = 4;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW = 8;
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH = 16;
+}
+
+message WaterHeaterCommandRequest {
+  option (id) = 134;
+  option (source) = SOURCE_CLIENT;
+  option (ifdef) = "USE_WATER_HEATER";
+  option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
+
+  fixed32 key = 1;
+  // Bitmask of which fields are set (see WaterHeaterCommandHasField)
+  uint32 has_fields = 2;
+  WaterHeaterMode mode = 3;
+  float target_temperature = 4;
+  uint32 device_id = 5 [(field_ifdef) = "USE_DEVICES"];
+  // State flags bitmask (bit 0 = away, bit 1 = on)
+  uint32 state = 6;
+  float target_temperature_low = 7;
+  float target_temperature_high = 8;
+}
+
 // ==================== NUMBER ====================
 enum NumberMode {
   NUMBER_MODE_AUTO = 0;

esphome/components/api/api_connection.cpp

@@ -42,6 +42,9 @@
 #ifdef USE_ZWAVE_PROXY
 #include "esphome/components/zwave_proxy/zwave_proxy.h"
 #endif
+#ifdef USE_WATER_HEATER
+#include "esphome/components/water_heater/water_heater.h"
+#endif
 
 namespace esphome::api {
 
@@ -447,7 +450,7 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
   if (msg.has_direction)
     call.set_direction(static_cast<fan::FanDirection>(msg.direction));
   if (msg.has_preset_mode)
-    call.set_preset_mode(msg.preset_mode);
+    call.set_preset_mode(reinterpret_cast<const char *>(msg.preset_mode), msg.preset_mode_len);
   call.perform();
 }
 #endif
@@ -712,11 +715,11 @@ void APIConnection::climate_command(const ClimateCommandRequest &msg) {
   if (msg.has_fan_mode)
     call.set_fan_mode(static_cast<climate::ClimateFanMode>(msg.fan_mode));
   if (msg.has_custom_fan_mode)
-    call.set_fan_mode(msg.custom_fan_mode);
+    call.set_fan_mode(reinterpret_cast<const char *>(msg.custom_fan_mode), msg.custom_fan_mode_len);
   if (msg.has_preset)
     call.set_preset(static_cast<climate::ClimatePreset>(msg.preset));
   if (msg.has_custom_preset)
-    call.set_preset(msg.custom_preset);
+    call.set_preset(reinterpret_cast<const char *>(msg.custom_preset), msg.custom_preset_len);
   if (msg.has_swing_mode)
     call.set_swing_mode(static_cast<climate::ClimateSwingMode>(msg.swing_mode));
   call.perform();
@@ -1306,6 +1309,57 @@ void APIConnection::alarm_control_panel_command(const AlarmControlPanelCommandRe
 }
 #endif
 
+#ifdef USE_WATER_HEATER
+bool APIConnection::send_water_heater_state(water_heater::WaterHeater *water_heater) {
+  return this->send_message_smart_(water_heater, &APIConnection::try_send_water_heater_state,
+                                   WaterHeaterStateResponse::MESSAGE_TYPE, WaterHeaterStateResponse::ESTIMATED_SIZE);
+}
+uint16_t APIConnection::try_send_water_heater_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                    bool is_single) {
+  auto *wh = static_cast<water_heater::WaterHeater *>(entity);
+  WaterHeaterStateResponse resp;
+  resp.mode = static_cast<enums::WaterHeaterMode>(wh->get_mode());
+  resp.current_temperature = wh->get_current_temperature();
+  resp.target_temperature = wh->get_target_temperature();
+  resp.target_temperature_low = wh->get_target_temperature_low();
+  resp.target_temperature_high = wh->get_target_temperature_high();
+  resp.state = wh->get_state();
+  resp.key = wh->get_object_id_hash();
+
+  return encode_message_to_buffer(resp, WaterHeaterStateResponse::MESSAGE_TYPE, conn, remaining_size, is_single);
+}
+uint16_t APIConnection::try_send_water_heater_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                   bool is_single) {
+  auto *wh = static_cast<water_heater::WaterHeater *>(entity);
+  ListEntitiesWaterHeaterResponse msg;
+  auto traits = wh->get_traits();
+  msg.min_temperature = traits.get_min_temperature();
+  msg.max_temperature = traits.get_max_temperature();
+  msg.target_temperature_step = traits.get_target_temperature_step();
+  msg.supported_modes = &traits.get_supported_modes();
+  msg.supported_features = traits.get_feature_flags();
+  return fill_and_encode_entity_info(wh, msg, ListEntitiesWaterHeaterResponse::MESSAGE_TYPE, conn, remaining_size,
+                                     is_single);
+}
+
+void APIConnection::on_water_heater_command_request(const WaterHeaterCommandRequest &msg) {
+  ENTITY_COMMAND_MAKE_CALL(water_heater::WaterHeater, water_heater, water_heater)
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_MODE)
+    call.set_mode(static_cast<water_heater::WaterHeaterMode>(msg.mode));
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE)
+    call.set_target_temperature(msg.target_temperature);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW)
+    call.set_target_temperature_low(msg.target_temperature_low);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH)
+    call.set_target_temperature_high(msg.target_temperature_high);
+  if (msg.has_fields & enums::WATER_HEATER_COMMAND_HAS_STATE) {
+    call.set_away((msg.state & water_heater::WATER_HEATER_STATE_AWAY) != 0);
+    call.set_on((msg.state & water_heater::WATER_HEATER_STATE_ON) != 0);
+  }
+  call.perform();
+}
+#endif
+
 #ifdef USE_EVENT
 void APIConnection::send_event(event::Event *event, const char *event_type) {
   this->send_message_smart_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE,
@@ -1472,7 +1526,10 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
 
   resp.set_esphome_version(ESPHOME_VERSION_REF);
 
-  resp.set_compilation_time(App.get_compilation_time_ref());
+  // Stack buffer for build time string
+  char build_time_str[Application::BUILD_TIME_STR_SIZE];
+  App.get_build_time_string(build_time_str);
+  resp.set_compilation_time(StringRef(build_time_str));
 
   // Manufacturer string - define once, handle ESP8266 PROGMEM separately
 #if defined(USE_ESP8266) || defined(USE_ESP32)
@@ -1579,15 +1636,29 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
 
 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIConnection::on_home_assistant_state_response(const HomeAssistantStateResponse &msg) {
-  for (auto &it : this->parent_->get_state_subs()) {
-    // Compare entity_id and attribute with message fields
-    bool entity_match = (strcmp(it.entity_id, msg.entity_id.c_str()) == 0);
-    bool attribute_match = (it.attribute != nullptr && strcmp(it.attribute, msg.attribute.c_str()) == 0) ||
-                           (it.attribute == nullptr && msg.attribute.empty());
+  // Skip if entity_id is empty (invalid message)
+  if (msg.entity_id_len == 0) {
+    return;
+  }
 
-    if (entity_match && attribute_match) {
-      it.callback(msg.state);
+  for (auto &it : this->parent_->get_state_subs()) {
+    // Compare entity_id: check length matches and content matches
+    size_t entity_id_len = strlen(it.entity_id);
+    if (entity_id_len != msg.entity_id_len || memcmp(it.entity_id, msg.entity_id, msg.entity_id_len) != 0) {
+      continue;
     }
+
+    // Compare attribute: either both have matching attribute, or both have none
+    size_t sub_attr_len = it.attribute != nullptr ? strlen(it.attribute) : 0;
+    if (sub_attr_len != msg.attribute_len ||
+        (sub_attr_len > 0 && memcmp(it.attribute, msg.attribute, sub_attr_len) != 0)) {
+      continue;
+    }
+
+    // Create temporary string for callback (callback takes const std::string &)
+    // Handle empty state (nullptr with len=0)
+    std::string state(msg.state_len > 0 ? reinterpret_cast<const char *>(msg.state) : "", msg.state_len);
+    it.callback(state);
   }
 }
 #endif
@@ -1663,13 +1734,13 @@ bool APIConnection::send_noise_encryption_set_key_response(const NoiseEncryption
   resp.success = false;
 
   psk_t psk{};
-  if (msg.key.empty()) {
+  if (msg.key_len == 0) {
     if (this->parent_->clear_noise_psk(true)) {
       resp.success = true;
     } else {
       ESP_LOGW(TAG, "Failed to clear encryption key");
     }
-  } else if (base64_decode(msg.key, psk.data(), psk.size()) != psk.size()) {
+  } else if (base64_decode(msg.key, msg.key_len, psk.data(), psk.size()) != psk.size()) {
     ESP_LOGW(TAG, "Invalid encryption key length");
   } else if (!this->parent_->save_noise_psk(psk, true)) {
     ESP_LOGW(TAG, "Failed to save encryption key");

esphome/components/api/api_connection.h

@@ -176,6 +176,11 @@ class APIConnection final : public APIServerConnection {
   void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) override;
 #endif
 
+#ifdef USE_WATER_HEATER
+  bool send_water_heater_state(water_heater::WaterHeater *water_heater);
+  void on_water_heater_command_request(const WaterHeaterCommandRequest &msg) override;
+#endif
+
 #ifdef USE_EVENT
   void send_event(event::Event *event, const char *event_type);
 #endif
@@ -456,6 +461,12 @@ class APIConnection final : public APIServerConnection {
   static uint16_t try_send_alarm_control_panel_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                     bool is_single);
 #endif
+#ifdef USE_WATER_HEATER
+  static uint16_t try_send_water_heater_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                              bool is_single);
+  static uint16_t try_send_water_heater_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                             bool is_single);
+#endif
 #ifdef USE_EVENT
   static uint16_t try_send_event_response(event::Event *event, const char *event_type, APIConnection *conn,
                                           uint32_t remaining_size, bool is_single);

esphome/components/api/api_pb2.cpp

@@ -124,12 +124,12 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
 #endif
 #ifdef USE_DEVICES
   for (const auto &it : this->devices) {
-    buffer.encode_message(20, it, true);
+    buffer.encode_message(20, it);
   }
 #endif
 #ifdef USE_AREAS
   for (const auto &it : this->areas) {
-    buffer.encode_message(21, it, true);
+    buffer.encode_message(21, it);
   }
 #endif
 #ifdef USE_AREAS
@@ -447,9 +447,12 @@ bool FanCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
 }
 bool FanCommandRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 13:
-      this->preset_mode = value.as_string();
+    case 13: {
+      // Use raw data directly to avoid allocation
+      this->preset_mode = value.data();
+      this->preset_mode_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -855,9 +858,12 @@ void SubscribeLogsResponse::calculate_size(ProtoSize &size) const {
 #ifdef USE_API_NOISE
 bool NoiseEncryptionSetKeyRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 1:
-      this->key = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->key = value.data();
+      this->key_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -878,13 +884,13 @@ void HomeassistantServiceMap::calculate_size(ProtoSize &size) const {
 void HomeassistantActionRequest::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->service_ref_);
   for (auto &it : this->data) {
-    buffer.encode_message(2, it, true);
+    buffer.encode_message(2, it);
   }
   for (auto &it : this->data_template) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
   }
   for (auto &it : this->variables) {
-    buffer.encode_message(4, it, true);
+    buffer.encode_message(4, it);
   }
   buffer.encode_bool(5, this->is_event);
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
@@ -960,15 +966,24 @@ void SubscribeHomeAssistantStateResponse::calculate_size(ProtoSize &size) const
 }
 bool HomeAssistantStateResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 1:
-      this->entity_id = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->entity_id = value.data();
+      this->entity_id_len = value.size();
       break;
-    case 2:
-      this->state = value.as_string();
+    }
+    case 2: {
+      // Use raw data directly to avoid allocation
+      this->state = value.data();
+      this->state_len = value.size();
       break;
-    case 3:
-      this->attribute = value.as_string();
+    }
+    case 3: {
+      // Use raw data directly to avoid allocation
+      this->attribute = value.data();
+      this->attribute_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -1011,7 +1026,7 @@ void ListEntitiesServicesResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->name_ref_);
   buffer.encode_fixed32(2, this->key);
   for (auto &it : this->args) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
   }
   buffer.encode_uint32(4, static_cast<uint32_t>(this->supports_response));
 }
@@ -1392,12 +1407,18 @@ bool ClimateCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value)
 }
 bool ClimateCommandRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 17:
-      this->custom_fan_mode = value.as_string();
+    case 17: {
+      // Use raw data directly to avoid allocation
+      this->custom_fan_mode = value.data();
+      this->custom_fan_mode_len = value.size();
       break;
-    case 21:
-      this->custom_preset = value.as_string();
+    }
+    case 21: {
+      // Use raw data directly to avoid allocation
+      this->custom_preset = value.data();
+      this->custom_preset_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -1426,6 +1447,114 @@ bool ClimateCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
   return true;
 }
 #endif
+#ifdef USE_WATER_HEATER
+void ListEntitiesWaterHeaterResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_string(1, this->object_id_ref_);
+  buffer.encode_fixed32(2, this->key);
+  buffer.encode_string(3, this->name_ref_);
+#ifdef USE_ENTITY_ICON
+  buffer.encode_string(4, this->icon_ref_);
+#endif
+  buffer.encode_bool(5, this->disabled_by_default);
+  buffer.encode_uint32(6, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
+  buffer.encode_uint32(7, this->device_id);
+#endif
+  buffer.encode_float(8, this->min_temperature);
+  buffer.encode_float(9, this->max_temperature);
+  buffer.encode_float(10, this->target_temperature_step);
+  for (const auto &it : *this->supported_modes) {
+    buffer.encode_uint32(11, static_cast<uint32_t>(it), true);
+  }
+  buffer.encode_uint32(12, this->supported_features);
+}
+void ListEntitiesWaterHeaterResponse::calculate_size(ProtoSize &size) const {
+  size.add_length(1, this->object_id_ref_.size());
+  size.add_fixed32(1, this->key);
+  size.add_length(1, this->name_ref_.size());
+#ifdef USE_ENTITY_ICON
+  size.add_length(1, this->icon_ref_.size());
+#endif
+  size.add_bool(1, this->disabled_by_default);
+  size.add_uint32(1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
+  size.add_uint32(1, this->device_id);
+#endif
+  size.add_float(1, this->min_temperature);
+  size.add_float(1, this->max_temperature);
+  size.add_float(1, this->target_temperature_step);
+  if (!this->supported_modes->empty()) {
+    for (const auto &it : *this->supported_modes) {
+      size.add_uint32_force(1, static_cast<uint32_t>(it));
+    }
+  }
+  size.add_uint32(1, this->supported_features);
+}
+void WaterHeaterStateResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_fixed32(1, this->key);
+  buffer.encode_float(2, this->current_temperature);
+  buffer.encode_float(3, this->target_temperature);
+  buffer.encode_uint32(4, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
+  buffer.encode_uint32(5, this->device_id);
+#endif
+  buffer.encode_uint32(6, this->state);
+  buffer.encode_float(7, this->target_temperature_low);
+  buffer.encode_float(8, this->target_temperature_high);
+}
+void WaterHeaterStateResponse::calculate_size(ProtoSize &size) const {
+  size.add_fixed32(1, this->key);
+  size.add_float(1, this->current_temperature);
+  size.add_float(1, this->target_temperature);
+  size.add_uint32(1, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
+  size.add_uint32(1, this->device_id);
+#endif
+  size.add_uint32(1, this->state);
+  size.add_float(1, this->target_temperature_low);
+  size.add_float(1, this->target_temperature_high);
+}
+bool WaterHeaterCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 2:
+      this->has_fields = value.as_uint32();
+      break;
+    case 3:
+      this->mode = static_cast<enums::WaterHeaterMode>(value.as_uint32());
+      break;
+#ifdef USE_DEVICES
+    case 5:
+      this->device_id = value.as_uint32();
+      break;
+#endif
+    case 6:
+      this->state = value.as_uint32();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool WaterHeaterCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
+  switch (field_id) {
+    case 1:
+      this->key = value.as_fixed32();
+      break;
+    case 4:
+      this->target_temperature = value.as_float();
+      break;
+    case 7:
+      this->target_temperature_low = value.as_float();
+      break;
+    case 8:
+      this->target_temperature_high = value.as_float();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+#endif
 #ifdef USE_NUMBER
 void ListEntitiesNumberResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->object_id_ref_);
@@ -1867,7 +1996,7 @@ void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_bool(8, this->supports_pause);
   for (auto &it : this->supported_formats) {
-    buffer.encode_message(9, it, true);
+    buffer.encode_message(9, it);
   }
 #ifdef USE_DEVICES
   buffer.encode_uint32(10, this->device_id);
@@ -1987,7 +2116,7 @@ void BluetoothLERawAdvertisement::calculate_size(ProtoSize &size) const {
 }
 void BluetoothLERawAdvertisementsResponse::encode(ProtoWriteBuffer buffer) const {
   for (uint16_t i = 0; i < this->advertisements_len; i++) {
-    buffer.encode_message(1, this->advertisements[i], true);
+    buffer.encode_message(1, this->advertisements[i]);
   }
 }
 void BluetoothLERawAdvertisementsResponse::calculate_size(ProtoSize &size) const {
@@ -2060,7 +2189,7 @@ void BluetoothGATTCharacteristic::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(2, this->handle);
   buffer.encode_uint32(3, this->properties);
   for (auto &it : this->descriptors) {
-    buffer.encode_message(4, it, true);
+    buffer.encode_message(4, it);
   }
   buffer.encode_uint32(5, this->short_uuid);
 }
@@ -2081,7 +2210,7 @@ void BluetoothGATTService::encode(ProtoWriteBuffer buffer) const {
   }
   buffer.encode_uint32(2, this->handle);
   for (auto &it : this->characteristics) {
-    buffer.encode_message(3, it, true);
+    buffer.encode_message(3, it);
   }
   buffer.encode_uint32(4, this->short_uuid);
 }
@@ -2097,7 +2226,7 @@ void BluetoothGATTService::calculate_size(ProtoSize &size) const {
 void BluetoothGATTGetServicesResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint64(1, this->address);
   for (auto &it : this->services) {
-    buffer.encode_message(2, it, true);
+    buffer.encode_message(2, it);
   }
 }
 void BluetoothGATTGetServicesResponse::calculate_size(ProtoSize &size) const {
@@ -2557,7 +2686,7 @@ bool VoiceAssistantConfigurationRequest::decode_length(uint32_t field_id, ProtoL
 }
 void VoiceAssistantConfigurationResponse::encode(ProtoWriteBuffer buffer) const {
   for (auto &it : this->available_wake_words) {
-    buffer.encode_message(1, it, true);
+    buffer.encode_message(1, it);
   }
   for (const auto &it : *this->active_wake_words) {
     buffer.encode_string(2, it, true);

esphome/components/api/api_pb2.h

@@ -129,6 +129,25 @@ enum ClimatePreset : uint32_t {
   CLIMATE_PRESET_ACTIVITY = 7,
 };
 #endif
+#ifdef USE_WATER_HEATER
+enum WaterHeaterMode : uint32_t {
+  WATER_HEATER_MODE_OFF = 0,
+  WATER_HEATER_MODE_ECO = 1,
+  WATER_HEATER_MODE_ELECTRIC = 2,
+  WATER_HEATER_MODE_PERFORMANCE = 3,
+  WATER_HEATER_MODE_HIGH_DEMAND = 4,
+  WATER_HEATER_MODE_HEAT_PUMP = 5,
+  WATER_HEATER_MODE_GAS = 6,
+};
+#endif
+enum WaterHeaterCommandHasField : uint32_t {
+  WATER_HEATER_COMMAND_HAS_NONE = 0,
+  WATER_HEATER_COMMAND_HAS_MODE = 1,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE = 2,
+  WATER_HEATER_COMMAND_HAS_STATE = 4,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW = 8,
+  WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH = 16,
+};
 #ifdef USE_NUMBER
 enum NumberMode : uint32_t {
   NUMBER_MODE_AUTO = 0,
@@ -765,7 +784,7 @@ class FanStateResponse final : public StateResponseProtoMessage {
 class FanCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 31;
-  static constexpr uint8_t ESTIMATED_SIZE = 38;
+  static constexpr uint8_t ESTIMATED_SIZE = 48;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "fan_command_request"; }
 #endif
@@ -778,7 +797,8 @@ class FanCommandRequest final : public CommandProtoMessage {
   bool has_speed_level{false};
   int32_t speed_level{0};
   bool has_preset_mode{false};
-  std::string preset_mode{};
+  const uint8_t *preset_mode{nullptr};
+  uint16_t preset_mode_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1053,11 +1073,12 @@ class SubscribeLogsResponse final : public ProtoMessage {
 class NoiseEncryptionSetKeyRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 124;
-  static constexpr uint8_t ESTIMATED_SIZE = 9;
+  static constexpr uint8_t ESTIMATED_SIZE = 19;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "noise_encryption_set_key_request"; }
 #endif
-  std::string key{};
+  const uint8_t *key{nullptr};
+  uint16_t key_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1201,13 +1222,16 @@ class SubscribeHomeAssistantStateResponse final : public ProtoMessage {
 class HomeAssistantStateResponse final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 40;
-  static constexpr uint8_t ESTIMATED_SIZE = 27;
+  static constexpr uint8_t ESTIMATED_SIZE = 57;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "home_assistant_state_response"; }
 #endif
-  std::string entity_id{};
-  std::string state{};
-  std::string attribute{};
+  const uint8_t *entity_id{nullptr};
+  uint16_t entity_id_len{0};
+  const uint8_t *state{nullptr};
+  uint16_t state_len{0};
+  const uint8_t *attribute{nullptr};
+  uint16_t attribute_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -1475,7 +1499,7 @@ class ClimateStateResponse final : public StateResponseProtoMessage {
 class ClimateCommandRequest final : public CommandProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 48;
-  static constexpr uint8_t ESTIMATED_SIZE = 84;
+  static constexpr uint8_t ESTIMATED_SIZE = 104;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "climate_command_request"; }
 #endif
@@ -1492,11 +1516,13 @@ class ClimateCommandRequest final : public CommandProtoMessage {
   bool has_swing_mode{false};
   enums::ClimateSwingMode swing_mode{};
   bool has_custom_fan_mode{false};
-  std::string custom_fan_mode{};
+  const uint8_t *custom_fan_mode{nullptr};
+  uint16_t custom_fan_mode_len{0};
   bool has_preset{false};
   enums::ClimatePreset preset{};
   bool has_custom_preset{false};
-  std::string custom_preset{};
+  const uint8_t *custom_preset{nullptr};
+  uint16_t custom_preset_len{0};
   bool has_target_humidity{false};
   float target_humidity{0.0f};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1509,6 +1535,70 @@ class ClimateCommandRequest final : public CommandProtoMessage {
   bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
 };
 #endif
+#ifdef USE_WATER_HEATER
+class ListEntitiesWaterHeaterResponse final : public InfoResponseProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 132;
+  static constexpr uint8_t ESTIMATED_SIZE = 63;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "list_entities_water_heater_response"; }
+#endif
+  float min_temperature{0.0f};
+  float max_temperature{0.0f};
+  float target_temperature_step{0.0f};
+  const water_heater::WaterHeaterModeMask *supported_modes{};
+  uint32_t supported_features{0};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+};
+class WaterHeaterStateResponse final : public StateResponseProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 133;
+  static constexpr uint8_t ESTIMATED_SIZE = 35;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "water_heater_state_response"; }
+#endif
+  float current_temperature{0.0f};
+  float target_temperature{0.0f};
+  enums::WaterHeaterMode mode{};
+  uint32_t state{0};
+  float target_temperature_low{0.0f};
+  float target_temperature_high{0.0f};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+};
+class WaterHeaterCommandRequest final : public CommandProtoMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 134;
+  static constexpr uint8_t ESTIMATED_SIZE = 34;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "water_heater_command_request"; }
+#endif
+  uint32_t has_fields{0};
+  enums::WaterHeaterMode mode{};
+  float target_temperature{0.0f};
+  uint32_t state{0};
+  float target_temperature_low{0.0f};
+  float target_temperature_high{0.0f};
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+#endif
 #ifdef USE_NUMBER
 class ListEntitiesNumberResponse final : public InfoResponseProtoMessage {
  public:

esphome/components/api/api_pb2_dump.cpp

@@ -348,6 +348,47 @@ template<> const char *proto_enum_to_string<enums::ClimatePreset>(enums::Climate
   }
 }
 #endif
+#ifdef USE_WATER_HEATER
+template<> const char *proto_enum_to_string<enums::WaterHeaterMode>(enums::WaterHeaterMode value) {
+  switch (value) {
+    case enums::WATER_HEATER_MODE_OFF:
+      return "WATER_HEATER_MODE_OFF";
+    case enums::WATER_HEATER_MODE_ECO:
+      return "WATER_HEATER_MODE_ECO";
+    case enums::WATER_HEATER_MODE_ELECTRIC:
+      return "WATER_HEATER_MODE_ELECTRIC";
+    case enums::WATER_HEATER_MODE_PERFORMANCE:
+      return "WATER_HEATER_MODE_PERFORMANCE";
+    case enums::WATER_HEATER_MODE_HIGH_DEMAND:
+      return "WATER_HEATER_MODE_HIGH_DEMAND";
+    case enums::WATER_HEATER_MODE_HEAT_PUMP:
+      return "WATER_HEATER_MODE_HEAT_PUMP";
+    case enums::WATER_HEATER_MODE_GAS:
+      return "WATER_HEATER_MODE_GAS";
+    default:
+      return "UNKNOWN";
+  }
+}
+#endif
+template<>
+const char *proto_enum_to_string<enums::WaterHeaterCommandHasField>(enums::WaterHeaterCommandHasField value) {
+  switch (value) {
+    case enums::WATER_HEATER_COMMAND_HAS_NONE:
+      return "WATER_HEATER_COMMAND_HAS_NONE";
+    case enums::WATER_HEATER_COMMAND_HAS_MODE:
+      return "WATER_HEATER_COMMAND_HAS_MODE";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE";
+    case enums::WATER_HEATER_COMMAND_HAS_STATE:
+      return "WATER_HEATER_COMMAND_HAS_STATE";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_LOW";
+    case enums::WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH:
+      return "WATER_HEATER_COMMAND_HAS_TARGET_TEMPERATURE_HIGH";
+    default:
+      return "UNKNOWN";
+  }
+}
 #ifdef USE_NUMBER
 template<> const char *proto_enum_to_string<enums::NumberMode>(enums::NumberMode value) {
   switch (value) {
@@ -923,7 +964,9 @@ void FanCommandRequest::dump_to(std::string &out) const {
   dump_field(out, "has_speed_level", this->has_speed_level);
   dump_field(out, "speed_level", this->speed_level);
   dump_field(out, "has_preset_mode", this->has_preset_mode);
-  dump_field(out, "preset_mode", this->preset_mode);
+  out.append("  preset_mode: ");
+  out.append(format_hex_pretty(this->preset_mode, this->preset_mode_len));
+  out.append("\n");
 #ifdef USE_DEVICES
   dump_field(out, "device_id", this->device_id);
 #endif
@@ -1113,7 +1156,7 @@ void SubscribeLogsResponse::dump_to(std::string &out) const {
 void NoiseEncryptionSetKeyRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "NoiseEncryptionSetKeyRequest");
   out.append("  key: ");
-  out.append(format_hex_pretty(reinterpret_cast<const uint8_t *>(this->key.data()), this->key.size()));
+  out.append(format_hex_pretty(this->key, this->key_len));
   out.append("\n");
 }
 void NoiseEncryptionSetKeyResponse::dump_to(std::string &out) const { dump_field(out, "success", this->success); }
@@ -1182,9 +1225,15 @@ void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
 }
 void HomeAssistantStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HomeAssistantStateResponse");
-  dump_field(out, "entity_id", this->entity_id);
-  dump_field(out, "state", this->state);
-  dump_field(out, "attribute", this->attribute);
+  out.append("  entity_id: ");
+  out.append(format_hex_pretty(this->entity_id, this->entity_id_len));
+  out.append("\n");
+  out.append("  state: ");
+  out.append(format_hex_pretty(this->state, this->state_len));
+  out.append("\n");
+  out.append("  attribute: ");
+  out.append(format_hex_pretty(this->attribute, this->attribute_len));
+  out.append("\n");
 }
 #endif
 void GetTimeRequest::dump_to(std::string &out) const { out.append("GetTimeRequest {}"); }
@@ -1374,11 +1423,15 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
   dump_field(out, "has_swing_mode", this->has_swing_mode);
   dump_field(out, "swing_mode", static_cast<enums::ClimateSwingMode>(this->swing_mode));
   dump_field(out, "has_custom_fan_mode", this->has_custom_fan_mode);
-  dump_field(out, "custom_fan_mode", this->custom_fan_mode);
+  out.append("  custom_fan_mode: ");
+  out.append(format_hex_pretty(this->custom_fan_mode, this->custom_fan_mode_len));
+  out.append("\n");
   dump_field(out, "has_preset", this->has_preset);
   dump_field(out, "preset", static_cast<enums::ClimatePreset>(this->preset));
   dump_field(out, "has_custom_preset", this->has_custom_preset);
-  dump_field(out, "custom_preset", this->custom_preset);
+  out.append("  custom_preset: ");
+  out.append(format_hex_pretty(this->custom_preset, this->custom_preset_len));
+  out.append("\n");
   dump_field(out, "has_target_humidity", this->has_target_humidity);
   dump_field(out, "target_humidity", this->target_humidity);
 #ifdef USE_DEVICES
@@ -1386,6 +1439,55 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
 #endif
 }
 #endif
+#ifdef USE_WATER_HEATER
+void ListEntitiesWaterHeaterResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "ListEntitiesWaterHeaterResponse");
+  dump_field(out, "object_id", this->object_id_ref_);
+  dump_field(out, "key", this->key);
+  dump_field(out, "name", this->name_ref_);
+#ifdef USE_ENTITY_ICON
+  dump_field(out, "icon", this->icon_ref_);
+#endif
+  dump_field(out, "disabled_by_default", this->disabled_by_default);
+  dump_field(out, "entity_category", static_cast<enums::EntityCategory>(this->entity_category));
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "min_temperature", this->min_temperature);
+  dump_field(out, "max_temperature", this->max_temperature);
+  dump_field(out, "target_temperature_step", this->target_temperature_step);
+  for (const auto &it : *this->supported_modes) {
+    dump_field(out, "supported_modes", static_cast<enums::WaterHeaterMode>(it), 4);
+  }
+  dump_field(out, "supported_features", this->supported_features);
+}
+void WaterHeaterStateResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "WaterHeaterStateResponse");
+  dump_field(out, "key", this->key);
+  dump_field(out, "current_temperature", this->current_temperature);
+  dump_field(out, "target_temperature", this->target_temperature);
+  dump_field(out, "mode", static_cast<enums::WaterHeaterMode>(this->mode));
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "state", this->state);
+  dump_field(out, "target_temperature_low", this->target_temperature_low);
+  dump_field(out, "target_temperature_high", this->target_temperature_high);
+}
+void WaterHeaterCommandRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "WaterHeaterCommandRequest");
+  dump_field(out, "key", this->key);
+  dump_field(out, "has_fields", this->has_fields);
+  dump_field(out, "mode", static_cast<enums::WaterHeaterMode>(this->mode));
+  dump_field(out, "target_temperature", this->target_temperature);
+#ifdef USE_DEVICES
+  dump_field(out, "device_id", this->device_id);
+#endif
+  dump_field(out, "state", this->state);
+  dump_field(out, "target_temperature_low", this->target_temperature_low);
+  dump_field(out, "target_temperature_high", this->target_temperature_high);
+}
+#endif
 #ifdef USE_NUMBER
 void ListEntitiesNumberResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesNumberResponse");

esphome/components/api/api_pb2_includes.h

@@ -10,6 +10,10 @@
 #include "esphome/components/climate/climate_traits.h"
 #endif
 
+#ifdef USE_WATER_HEATER
+#include "esphome/components/water_heater/water_heater.h"
+#endif
+
 #ifdef USE_LIGHT
 #include "esphome/components/light/light_traits.h"
 #endif

esphome/components/api/api_pb2_service.cpp

@@ -621,6 +621,17 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_homeassistant_action_response(msg);
       break;
     }
+#endif
+#ifdef USE_WATER_HEATER
+    case WaterHeaterCommandRequest::MESSAGE_TYPE: {
+      WaterHeaterCommandRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_water_heater_command_request: %s", msg.dump().c_str());
+#endif
+      this->on_water_heater_command_request(msg);
+      break;
+    }
 #endif
     default:
       break;

esphome/components/api/api_pb2_service.h

@@ -91,6 +91,10 @@ class APIServerConnectionBase : public ProtoService {
   virtual void on_climate_command_request(const ClimateCommandRequest &value){};
 #endif
 
+#ifdef USE_WATER_HEATER
+  virtual void on_water_heater_command_request(const WaterHeaterCommandRequest &value){};
+#endif
+
 #ifdef USE_NUMBER
   virtual void on_number_command_request(const NumberCommandRequest &value){};
 #endif

esphome/components/api/api_server.cpp

@@ -335,6 +335,10 @@ API_DISPATCH_UPDATE(valve::Valve, valve)
 API_DISPATCH_UPDATE(media_player::MediaPlayer, media_player)
 #endif
 
+#ifdef USE_WATER_HEATER
+API_DISPATCH_UPDATE(water_heater::WaterHeater, water_heater)
+#endif
+
 #ifdef USE_EVENT
 // Event is a special case - unlike other entities with simple state fields,
 // events store their state in a member accessed via obj->get_last_event_type()

esphome/components/api/api_server.h

@@ -133,6 +133,9 @@ class APIServer : public Component,
 #ifdef USE_MEDIA_PLAYER
   void on_media_player_update(media_player::MediaPlayer *obj) override;
 #endif
+#ifdef USE_WATER_HEATER
+  void on_water_heater_update(water_heater::WaterHeater *obj) override;
+#endif
 #ifdef USE_API_HOMEASSISTANT_SERVICES
   void send_homeassistant_action(const HomeassistantActionRequest &call);
 

esphome/components/api/list_entities.cpp

@@ -73,6 +73,9 @@ LIST_ENTITIES_HANDLER(media_player, media_player::MediaPlayer, ListEntitiesMedia
 LIST_ENTITIES_HANDLER(alarm_control_panel, alarm_control_panel::AlarmControlPanel,
                       ListEntitiesAlarmControlPanelResponse)
 #endif
+#ifdef USE_WATER_HEATER
+LIST_ENTITIES_HANDLER(water_heater, water_heater::WaterHeater, ListEntitiesWaterHeaterResponse)
+#endif
 #ifdef USE_EVENT
 LIST_ENTITIES_HANDLER(event, event::Event, ListEntitiesEventResponse)
 #endif

esphome/components/api/list_entities.h

@@ -82,6 +82,9 @@ class ListEntitiesIterator : public ComponentIterator {
 #ifdef USE_ALARM_CONTROL_PANEL
   bool on_alarm_control_panel(alarm_control_panel::AlarmControlPanel *entity) override;
 #endif
+#ifdef USE_WATER_HEATER
+  bool on_water_heater(water_heater::WaterHeater *entity) override;
+#endif
 #ifdef USE_EVENT
   bool on_event(event::Event *entity) override;
 #endif

esphome/components/api/proto.h

@@ -334,7 +334,7 @@ class ProtoWriteBuffer {
   void encode_sint64(uint32_t field_id, int64_t value, bool force = false) {
     this->encode_uint64(field_id, encode_zigzag64(value), force);
   }
-  void encode_message(uint32_t field_id, const ProtoMessage &value, bool force = false);
+  void encode_message(uint32_t field_id, const ProtoMessage &value);
   std::vector<uint8_t> *get_buffer() const { return buffer_; }
 
  protected:
@@ -795,7 +795,7 @@ class ProtoSize {
 };
 
 // Implementation of encode_message - must be after ProtoMessage is defined
-inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value, bool force) {
+inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value) {
   this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message
 
   // Calculate the message size first

esphome/components/api/subscribe_state.cpp

@@ -60,6 +60,9 @@ INITIAL_STATE_HANDLER(media_player, media_player::MediaPlayer)
 #ifdef USE_ALARM_CONTROL_PANEL
 INITIAL_STATE_HANDLER(alarm_control_panel, alarm_control_panel::AlarmControlPanel)
 #endif
+#ifdef USE_WATER_HEATER
+INITIAL_STATE_HANDLER(water_heater, water_heater::WaterHeater)
+#endif
 #ifdef USE_UPDATE
 INITIAL_STATE_HANDLER(update, update::UpdateEntity)
 #endif

esphome/components/api/subscribe_state.h

@@ -76,6 +76,9 @@ class InitialStateIterator : public ComponentIterator {
 #ifdef USE_ALARM_CONTROL_PANEL
   bool on_alarm_control_panel(alarm_control_panel::AlarmControlPanel *entity) override;
 #endif
+#ifdef USE_WATER_HEATER
+  bool on_water_heater(water_heater::WaterHeater *entity) override;
+#endif
 #ifdef USE_EVENT
   bool on_event(event::Event *event) override { return true; };
 #endif

esphome/components/aqi/__init__.py

@@ -0,0 +1,14 @@
+import esphome.codegen as cg
+
+CODEOWNERS = ["@jasstrong", "@ximex", "@freekode"]
+
+aqi_ns = cg.esphome_ns.namespace("aqi")
+AQICalculatorType = aqi_ns.enum("AQICalculatorType")
+
+CONF_AQI = "aqi"
+CONF_CALCULATION_TYPE = "calculation_type"
+
+AQI_CALCULATION_TYPE = {
+    "CAQI": AQICalculatorType.CAQI_TYPE,
+    "AQI": AQICalculatorType.AQI_TYPE,
+}

esphome/components/aqi/abstract_aqi_calculator.h

@@ -2,13 +2,11 @@
 
 #include <cstdint>
 
-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {
 
 class AbstractAQICalculator {
  public:
   virtual uint16_t get_aqi(uint16_t pm2_5_value, uint16_t pm10_0_value) = 0;
 };
 
-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi

esphome/components/aqi/aqi_calculator.h

@@ -1,10 +1,11 @@
 #pragma once
+
 #include <climits>
 #include "abstract_aqi_calculator.h"
+
 // https://document.airnow.gov/technical-assistance-document-for-the-reporting-of-daily-air-quailty.pdf
 
-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {
 
 class AQICalculator : public AbstractAQICalculator {
  public:
@@ -28,6 +29,9 @@ class AQICalculator : public AbstractAQICalculator {
 
   int calculate_index_(uint16_t value, int array[AMOUNT_OF_LEVELS][2]) {
     int grid_index = get_grid_index_(value, array);
+    if (grid_index == -1) {
+      return -1;
+    }
     int aqi_lo = index_grid_[grid_index][0];
     int aqi_hi = index_grid_[grid_index][1];
     int conc_lo = array[grid_index][0];
@@ -46,5 +50,4 @@ class AQICalculator : public AbstractAQICalculator {
   }
 };
 
-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi

esphome/components/aqi/aqi_calculator_factory.h

@@ -3,8 +3,7 @@
 #include "caqi_calculator.h"
 #include "aqi_calculator.h"
 
-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {
 
 enum AQICalculatorType { CAQI_TYPE = 0, AQI_TYPE = 1 };
 
@@ -12,18 +11,17 @@ class AQICalculatorFactory {
  public:
   AbstractAQICalculator *get_calculator(AQICalculatorType type) {
     if (type == 0) {
-      return caqi_calculator_;
+      return &this->caqi_calculator_;
     } else if (type == 1) {
-      return aqi_calculator_;
+      return &this->aqi_calculator_;
     }
 
     return nullptr;
   }
 
  protected:
-  CAQICalculator *caqi_calculator_ = new CAQICalculator();
-  AQICalculator *aqi_calculator_ = new AQICalculator();
+  CAQICalculator caqi_calculator_;
+  AQICalculator aqi_calculator_;
 };
 
-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi

esphome/components/aqi/caqi_calculator.h

@@ -3,8 +3,7 @@
 #include "esphome/core/log.h"
 #include "abstract_aqi_calculator.h"
 
-namespace esphome {
-namespace hm3301 {
+namespace esphome::aqi {
 
 class CAQICalculator : public AbstractAQICalculator {
  public:
@@ -48,5 +47,4 @@ class CAQICalculator : public AbstractAQICalculator {
   }
 };
 
-}  // namespace hm3301
-}  // namespace esphome
+}  // namespace esphome::aqi

esphome/components/bme68x_bsec2_i2c/__init__.py

@@ -11,6 +11,7 @@ CODEOWNERS = ["@neffs", "@kbx81"]
 
 AUTO_LOAD = ["bme68x_bsec2"]
 DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
 
 bme68x_bsec2_i2c_ns = cg.esphome_ns.namespace("bme68x_bsec2_i2c")
 BME68xBSEC2I2CComponent = bme68x_bsec2_i2c_ns.class_(

esphome/components/button/button.h

@@ -41,7 +41,7 @@ class Button : public EntityBase, public EntityBase_DeviceClass {
    */
   virtual void press_action() = 0;
 
-  CallbackManager<void()> press_callback_{};
+  LazyCallbackManager<void()> press_callback_{};
 };
 
 }  // namespace esphome::button

esphome/components/captive_portal/captive_portal.cpp

@@ -65,12 +65,6 @@ void CaptivePortal::start() {
   this->base_->init();
   if (!this->initialized_) {
     this->base_->add_handler(this);
-#ifdef USE_ESP32
-    // Enable LRU socket purging to handle captive portal detection probe bursts
-    // OS captive portal detection makes many simultaneous HTTP requests which can
-    // exhaust sockets. LRU purging automatically closes oldest idle connections.
-    this->base_->get_server()->set_lru_purge_enable(true);
-#endif
   }
 
   network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();

esphome/components/captive_portal/captive_portal.h

@@ -40,10 +40,6 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   void end() {
     this->active_ = false;
     this->disable_loop();  // Stop processing DNS requests
-#ifdef USE_ESP32
-    // Disable LRU socket purging now that captive portal is done
-    this->base_->get_server()->set_lru_purge_enable(false);
-#endif
     this->base_->deinit();
     if (this->dns_server_ != nullptr) {
       this->dns_server_->stop();

esphome/components/cc1101/__init__.py

@@ -1,9 +1,17 @@
-from esphome import automation
+from esphome import automation, pins
 from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
 from esphome.components import spi
+from esphome.components.const import CONF_CRC_ENABLE, CONF_ON_PACKET
 import esphome.config_validation as cv
-from esphome.const import CONF_CHANNEL, CONF_FREQUENCY, CONF_ID, CONF_WAIT_TIME
+from esphome.const import (
+    CONF_CHANNEL,
+    CONF_DATA,
+    CONF_FREQUENCY,
+    CONF_ID,
+    CONF_WAIT_TIME,
+)
+from esphome.core import ID
 
 CODEOWNERS = ["@lygris", "@gabest11"]
 DEPENDENCIES = ["spi"]
@@ -29,7 +37,6 @@ CONF_MANCHESTER = "manchester"
 CONF_NUM_PREAMBLE = "num_preamble"
 CONF_SYNC1 = "sync1"
 CONF_SYNC0 = "sync0"
-CONF_PKTLEN = "pktlen"
 CONF_MAGN_TARGET = "magn_target"
 CONF_MAX_LNA_GAIN = "max_lna_gain"
 CONF_MAX_DVGA_GAIN = "max_dvga_gain"
@@ -41,6 +48,12 @@ CONF_FILTER_LENGTH_ASK_OOK = "filter_length_ask_ook"
 CONF_FREEZE = "freeze"
 CONF_HYST_LEVEL = "hyst_level"
 
+# Packet mode config keys
+CONF_PACKET_MODE = "packet_mode"
+CONF_PACKET_LENGTH = "packet_length"
+CONF_WHITENING = "whitening"
+CONF_GDO0_PIN = "gdo0_pin"
+
 # Enums
 SyncMode = ns.enum("SyncMode", True)
 SYNC_MODE = {
@@ -147,45 +160,89 @@ HYST_LEVEL = {
     "High": HystLevel.HYST_LEVEL_HIGH,
 }
 
-# Config key -> Validator mapping
+# Optional settings to generate setter calls for
 CONFIG_MAP = {
-    CONF_OUTPUT_POWER: cv.float_range(min=-30.0, max=11.0),
-    CONF_RX_ATTENUATION: cv.enum(RX_ATTENUATION, upper=False),
-    CONF_DC_BLOCKING_FILTER: cv.boolean,
-    CONF_FREQUENCY: cv.All(cv.frequency, cv.float_range(min=300000000, max=928000000)),
-    CONF_IF_FREQUENCY: cv.All(cv.frequency, cv.float_range(min=25000, max=788000)),
-    CONF_FILTER_BANDWIDTH: cv.All(cv.frequency, cv.float_range(min=58000, max=812000)),
-    CONF_CHANNEL: cv.uint8_t,
-    CONF_CHANNEL_SPACING: cv.All(cv.frequency, cv.float_range(min=25000, max=405000)),
-    CONF_FSK_DEVIATION: cv.All(cv.frequency, cv.float_range(min=1500, max=381000)),
-    CONF_MSK_DEVIATION: cv.int_range(min=1, max=8),
-    CONF_SYMBOL_RATE: cv.float_range(min=600, max=500000),
-    CONF_SYNC_MODE: cv.enum(SYNC_MODE, upper=False),
-    CONF_CARRIER_SENSE_ABOVE_THRESHOLD: cv.boolean,
-    CONF_MODULATION_TYPE: cv.enum(MODULATION, upper=False),
-    CONF_MANCHESTER: cv.boolean,
-    CONF_NUM_PREAMBLE: cv.int_range(min=0, max=7),
-    CONF_SYNC1: cv.hex_uint8_t,
-    CONF_SYNC0: cv.hex_uint8_t,
-    CONF_PKTLEN: cv.uint8_t,
-    CONF_MAGN_TARGET: cv.enum(MAGN_TARGET, upper=False),
-    CONF_MAX_LNA_GAIN: cv.enum(MAX_LNA_GAIN, upper=False),
-    CONF_MAX_DVGA_GAIN: cv.enum(MAX_DVGA_GAIN, upper=False),
-    CONF_CARRIER_SENSE_ABS_THR: cv.int_range(min=-8, max=7),
-    CONF_CARRIER_SENSE_REL_THR: cv.enum(CARRIER_SENSE_REL_THR, upper=False),
-    CONF_LNA_PRIORITY: cv.boolean,
-    CONF_FILTER_LENGTH_FSK_MSK: cv.enum(FILTER_LENGTH_FSK_MSK, upper=False),
-    CONF_FILTER_LENGTH_ASK_OOK: cv.enum(FILTER_LENGTH_ASK_OOK, upper=False),
-    CONF_FREEZE: cv.enum(FREEZE, upper=False),
-    CONF_WAIT_TIME: cv.enum(WAIT_TIME, upper=False),
-    CONF_HYST_LEVEL: cv.enum(HYST_LEVEL, upper=False),
+    cv.Optional(CONF_OUTPUT_POWER, default=10): cv.float_range(min=-30.0, max=11.0),
+    cv.Optional(CONF_RX_ATTENUATION, default="0dB"): cv.enum(
+        RX_ATTENUATION, upper=False
+    ),
+    cv.Optional(CONF_DC_BLOCKING_FILTER, default=True): cv.boolean,
+    cv.Optional(CONF_FREQUENCY, default="433.92MHz"): cv.All(
+        cv.frequency, cv.float_range(min=300.0e6, max=928.0e6)
+    ),
+    cv.Optional(CONF_IF_FREQUENCY, default="153kHz"): cv.All(
+        cv.frequency, cv.float_range(min=25000, max=788000)
+    ),
+    cv.Optional(CONF_FILTER_BANDWIDTH, default="203kHz"): cv.All(
+        cv.frequency, cv.float_range(min=58000, max=812000)
+    ),
+    cv.Optional(CONF_CHANNEL, default=0): cv.uint8_t,
+    cv.Optional(CONF_CHANNEL_SPACING, default="200kHz"): cv.All(
+        cv.frequency, cv.float_range(min=25000, max=405000)
+    ),
+    cv.Optional(CONF_FSK_DEVIATION): cv.All(
+        cv.frequency, cv.float_range(min=1500, max=381000)
+    ),
+    cv.Optional(CONF_MSK_DEVIATION): cv.int_range(min=1, max=8),
+    cv.Optional(CONF_SYMBOL_RATE, default=5000): cv.float_range(min=600, max=500000),
+    cv.Optional(CONF_SYNC_MODE, default="16/16"): cv.enum(SYNC_MODE, upper=False),
+    cv.Optional(CONF_CARRIER_SENSE_ABOVE_THRESHOLD, default=False): cv.boolean,
+    cv.Optional(CONF_MODULATION_TYPE, default="ASK/OOK"): cv.enum(
+        MODULATION, upper=False
+    ),
+    cv.Optional(CONF_MANCHESTER, default=False): cv.boolean,
+    cv.Optional(CONF_NUM_PREAMBLE, default=2): cv.int_range(min=0, max=7),
+    cv.Optional(CONF_SYNC1, default=0xD3): cv.hex_uint8_t,
+    cv.Optional(CONF_SYNC0, default=0x91): cv.hex_uint8_t,
+    cv.Optional(CONF_MAGN_TARGET, default="42dB"): cv.enum(MAGN_TARGET, upper=False),
+    cv.Optional(CONF_MAX_LNA_GAIN, default="Default"): cv.enum(
+        MAX_LNA_GAIN, upper=False
+    ),
+    cv.Optional(CONF_MAX_DVGA_GAIN, default="-3"): cv.enum(MAX_DVGA_GAIN, upper=False),
+    cv.Optional(CONF_CARRIER_SENSE_ABS_THR): cv.int_range(min=-8, max=7),
+    cv.Optional(CONF_CARRIER_SENSE_REL_THR): cv.enum(
+        CARRIER_SENSE_REL_THR, upper=False
+    ),
+    cv.Optional(CONF_LNA_PRIORITY, default=False): cv.boolean,
+    cv.Optional(CONF_FILTER_LENGTH_FSK_MSK): cv.enum(
+        FILTER_LENGTH_FSK_MSK, upper=False
+    ),
+    cv.Optional(CONF_FILTER_LENGTH_ASK_OOK): cv.enum(
+        FILTER_LENGTH_ASK_OOK, upper=False
+    ),
+    cv.Optional(CONF_FREEZE): cv.enum(FREEZE, upper=False),
+    cv.Optional(CONF_WAIT_TIME, default="32"): cv.enum(WAIT_TIME, upper=False),
+    cv.Optional(CONF_HYST_LEVEL): cv.enum(HYST_LEVEL, upper=False),
+    cv.Optional(CONF_PACKET_MODE, default=False): cv.boolean,
+    cv.Optional(CONF_PACKET_LENGTH): cv.uint8_t,
+    cv.Optional(CONF_CRC_ENABLE, default=False): cv.boolean,
+    cv.Optional(CONF_WHITENING, default=False): cv.boolean,
 }
 
-CONFIG_SCHEMA = (
-    cv.Schema({cv.GenerateID(): cv.declare_id(CC1101Component)})
-    .extend({cv.Optional(key): validator for key, validator in CONFIG_MAP.items()})
+
+def _validate_packet_mode(config):
+    if config.get(CONF_PACKET_MODE, False):
+        if CONF_GDO0_PIN not in config:
+            raise cv.Invalid("gdo0_pin is required when packet_mode is enabled")
+        if CONF_PACKET_LENGTH not in config:
+            raise cv.Invalid("packet_length is required when packet_mode is enabled")
+        if config[CONF_PACKET_LENGTH] > 64:
+            raise cv.Invalid("packet_length must be <= 64 (FIFO size)")
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(CC1101Component),
+            cv.Optional(CONF_GDO0_PIN): pins.internal_gpio_input_pin_schema,
+            cv.Optional(CONF_ON_PACKET): automation.validate_automation(single=True),
+        }
+    )
+    .extend(CONFIG_MAP)
     .extend(cv.COMPONENT_SCHEMA)
-    .extend(spi.spi_device_schema(cs_pin_required=True))
+    .extend(spi.spi_device_schema(cs_pin_required=True)),
+    _validate_packet_mode,
 )
 
 
@@ -194,16 +251,34 @@ async def to_code(config):
     await cg.register_component(var, config)
     await spi.register_spi_device(var, config)
 
-    for key in CONFIG_MAP:
+    for opt in CONFIG_MAP:
+        key = opt.schema
         if key in config:
             cg.add(getattr(var, f"set_{key}")(config[key]))
 
+    if CONF_GDO0_PIN in config:
+        gdo0_pin = await cg.gpio_pin_expression(config[CONF_GDO0_PIN])
+        cg.add(var.set_gdo0_pin(gdo0_pin))
+    if CONF_ON_PACKET in config:
+        await automation.build_automation(
+            var.get_packet_trigger(),
+            [
+                (cg.std_vector.template(cg.uint8), "x"),
+                (cg.float_, "rssi"),
+                (cg.uint8, "lqi"),
+            ],
+            config[CONF_ON_PACKET],
+        )
+
 
 # Actions
 BeginTxAction = ns.class_("BeginTxAction", automation.Action)
 BeginRxAction = ns.class_("BeginRxAction", automation.Action)
 ResetAction = ns.class_("ResetAction", automation.Action)
 SetIdleAction = ns.class_("SetIdleAction", automation.Action)
+SendPacketAction = ns.class_(
+    "SendPacketAction", automation.Action, cg.Parented.template(CC1101Component)
+)
 
 CC1101_ACTION_SCHEMA = cv.Schema(
     maybe_simple_id({cv.GenerateID(CONF_ID): cv.use_id(CC1101Component)})
@@ -218,3 +293,42 @@ async def cc1101_action_to_code(config, action_id, template_arg, args):
     var = cg.new_Pvariable(action_id, template_arg)
     await cg.register_parented(var, config[CONF_ID])
     return var
+
+
+def validate_raw_data(value):
+    if isinstance(value, str):
+        return value.encode("utf-8")
+    if isinstance(value, list):
+        return cv.Schema([cv.hex_uint8_t])(value)
+    raise cv.Invalid(
+        "data must either be a string wrapped in quotes or a list of bytes"
+    )
+
+
+SEND_PACKET_ACTION_SCHEMA = cv.maybe_simple_value(
+    {
+        cv.GenerateID(): cv.use_id(CC1101Component),
+        cv.Required(CONF_DATA): cv.templatable(validate_raw_data),
+    },
+    key=CONF_DATA,
+)
+
+
+@automation.register_action(
+    "cc1101.send_packet", SendPacketAction, SEND_PACKET_ACTION_SCHEMA
+)
+async def send_packet_action_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+    data = config[CONF_DATA]
+    if isinstance(data, bytes):
+        data = list(data)
+    if cg.is_template(data):
+        templ = await cg.templatable(data, args, cg.std_vector.template(cg.uint8))
+        cg.add(var.set_data_template(templ))
+    else:
+        # Generate static array in flash to avoid RAM copy
+        arr_id = ID(f"{action_id}_data", is_declaration=True, type=cg.uint8)
+        arr = cg.static_const_array(arr_id, cg.ArrayInitializer(*data))
+        cg.add(var.set_data_static(arr, len(data)))
+    return var

esphome/components/cc1101/cc1101.cpp

@@ -98,25 +98,8 @@ CC1101Component::CC1101Component() {
   this->state_.LENGTH_CONFIG = 2;
   this->state_.FS_AUTOCAL = 1;
 
-  // Default Settings
-  this->set_frequency(433920);
-  this->set_if_frequency(153);
-  this->set_filter_bandwidth(203);
-  this->set_channel(0);
-  this->set_channel_spacing(200);
-  this->set_symbol_rate(5000);
-  this->set_sync_mode(SyncMode::SYNC_MODE_NONE);
-  this->set_carrier_sense_above_threshold(true);
-  this->set_modulation_type(Modulation::MODULATION_ASK_OOK);
-  this->set_magn_target(MagnTarget::MAGN_TARGET_42DB);
-  this->set_max_lna_gain(MaxLnaGain::MAX_LNA_GAIN_DEFAULT);
-  this->set_max_dvga_gain(MaxDvgaGain::MAX_DVGA_GAIN_MINUS_3);
-  this->set_lna_priority(false);
-  this->set_wait_time(WaitTime::WAIT_TIME_32_SAMPLES);
-
   // CRITICAL: Initialize PA Table to avoid transmitting 0 power (Silence)
   memset(this->pa_table_, 0, sizeof(this->pa_table_));
-  this->set_output_power(10.0f);
 }
 
 void CC1101Component::setup() {
@@ -143,6 +126,11 @@ void CC1101Component::setup() {
     return;
   }
 
+  // Setup GDO0 pin if configured
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->setup();
+  }
+
   this->initialized_ = true;
 
   for (uint8_t i = 0; i <= static_cast<uint8_t>(Register::TEST0); i++) {
@@ -151,8 +139,69 @@ void CC1101Component::setup() {
     }
     this->write_(static_cast<Register>(i));
   }
-  this->write_(Register::PATABLE, this->pa_table_, sizeof(this->pa_table_));
+  this->set_output_power(this->output_power_requested_);
   this->strobe_(Command::RX);
+
+  // Defer pin mode setup until after all components have completed setup()
+  // This handles the case where remote_transmitter runs after CC1101 and changes pin mode
+  if (this->gdo0_pin_ != nullptr) {
+    this->defer([this]() { this->gdo0_pin_->pin_mode(gpio::FLAG_INPUT); });
+  }
+}
+
+void CC1101Component::loop() {
+  if (this->state_.PKT_FORMAT != static_cast<uint8_t>(PacketFormat::PACKET_FORMAT_FIFO) || this->gdo0_pin_ == nullptr ||
+      !this->gdo0_pin_->digital_read()) {
+    return;
+  }
+
+  // Read state
+  this->read_(Register::RXBYTES);
+  uint8_t rx_bytes = this->state_.NUM_RXBYTES;
+  bool overflow = this->state_.RXFIFO_OVERFLOW;
+  if (overflow || rx_bytes == 0) {
+    ESP_LOGW(TAG, "RX FIFO overflow, flushing");
+    this->enter_idle_();
+    this->strobe_(Command::FRX);
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return;
+  }
+
+  // Read packet
+  uint8_t payload_length;
+  if (this->state_.LENGTH_CONFIG == static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE)) {
+    this->read_(Register::FIFO, &payload_length, 1);
+  } else {
+    payload_length = this->state_.PKTLEN;
+  }
+  if (payload_length == 0 || payload_length > 64) {
+    ESP_LOGW(TAG, "Invalid payload length: %u", payload_length);
+    this->enter_idle_();
+    this->strobe_(Command::FRX);
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return;
+  }
+  this->packet_.resize(payload_length);
+  this->read_(Register::FIFO, this->packet_.data(), payload_length);
+
+  // Read status and trigger
+  uint8_t status[2];
+  this->read_(Register::FIFO, status, 2);
+  int8_t rssi_raw = static_cast<int8_t>(status[0]);
+  float rssi = (rssi_raw * RSSI_STEP) - RSSI_OFFSET;
+  bool crc_ok = (status[1] & STATUS_CRC_OK_MASK) != 0;
+  uint8_t lqi = status[1] & STATUS_LQI_MASK;
+  if (this->state_.CRC_EN == 0 || crc_ok) {
+    this->packet_trigger_->trigger(this->packet_, rssi, lqi);
+  }
+
+  // Return to rx
+  this->enter_idle_();
+  this->strobe_(Command::FRX);
+  this->strobe_(Command::RX);
+  this->wait_for_state_(State::RX);
 }
 
 void CC1101Component::dump_config() {
@@ -177,9 +226,12 @@ void CC1101Component::dump_config() {
 }
 
 void CC1101Component::begin_tx() {
-  // Ensure Packet Format is 3 (Async Serial), use GDO0 as input during TX
+  // Ensure Packet Format is 3 (Async Serial)
   this->write_(Register::PKTCTRL0, 0x32);
   ESP_LOGV(TAG, "Beginning TX sequence");
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->pin_mode(gpio::FLAG_OUTPUT);
+  }
   this->strobe_(Command::TX);
   if (!this->wait_for_state_(State::TX, 50)) {
     ESP_LOGW(TAG, "Timed out waiting for TX state!");
@@ -188,6 +240,9 @@ void CC1101Component::begin_tx() {
 
 void CC1101Component::begin_rx() {
   ESP_LOGV(TAG, "Beginning RX sequence");
+  if (this->gdo0_pin_ != nullptr) {
+    this->gdo0_pin_->pin_mode(gpio::FLAG_INPUT);
+  }
   this->strobe_(Command::RX);
 }
 
@@ -201,20 +256,6 @@ void CC1101Component::set_idle() {
   this->enter_idle_();
 }
 
-void CC1101Component::set_gdo0_config(uint8_t value) {
-  this->state_.GDO0_CFG = value;
-  if (this->initialized_) {
-    this->write_(Register::IOCFG0);
-  }
-}
-
-void CC1101Component::set_gdo2_config(uint8_t value) {
-  this->state_.GDO2_CFG = value;
-  if (this->initialized_) {
-    this->write_(Register::IOCFG2);
-  }
-}
-
 bool CC1101Component::wait_for_state_(State target_state, uint32_t timeout_ms) {
   uint32_t start = millis();
   while (millis() - start < timeout_ms) {
@@ -282,6 +323,33 @@ void CC1101Component::read_(Register reg, uint8_t *buffer, size_t length) {
   this->disable();
 }
 
+CC1101Error CC1101Component::transmit_packet(const std::vector<uint8_t> &packet) {
+  if (this->state_.PKT_FORMAT != static_cast<uint8_t>(PacketFormat::PACKET_FORMAT_FIFO)) {
+    return CC1101Error::PARAMS;
+  }
+
+  // Write packet
+  this->enter_idle_();
+  this->strobe_(Command::FTX);
+  if (this->state_.LENGTH_CONFIG == static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE)) {
+    this->write_(Register::FIFO, static_cast<uint8_t>(packet.size()));
+  }
+  this->write_(Register::FIFO, packet.data(), packet.size());
+  this->strobe_(Command::TX);
+  if (!this->wait_for_state_(State::IDLE, 1000)) {
+    ESP_LOGW(TAG, "TX timeout");
+    this->enter_idle_();
+    this->strobe_(Command::RX);
+    this->wait_for_state_(State::RX);
+    return CC1101Error::TIMEOUT;
+  }
+
+  // Return to rx
+  this->strobe_(Command::RX);
+  this->wait_for_state_(State::RX);
+  return CC1101Error::NONE;
+}
+
 // Setters
 void CC1101Component::set_output_power(float value) {
   this->output_power_requested_ = value;
@@ -428,6 +496,7 @@ void CC1101Component::set_modulation_type(Modulation value) {
   this->state_.PA_POWER = value == Modulation::MODULATION_ASK_OOK ? 1 : 0;
   if (this->initialized_) {
     this->enter_idle_();
+    this->set_output_power(this->output_power_requested_);
     this->write_(Register::MDMCFG2);
     this->write_(Register::FREND0);
     this->strobe_(Command::RX);
@@ -462,13 +531,6 @@ void CC1101Component::set_sync0(uint8_t value) {
   }
 }
 
-void CC1101Component::set_pktlen(uint8_t value) {
-  this->state_.PKTLEN = value;
-  if (this->initialized_) {
-    this->write_(Register::PKTLEN);
-  }
-}
-
 void CC1101Component::set_magn_target(MagnTarget value) {
   this->state_.MAGN_TARGET = static_cast<uint8_t>(value);
   if (this->initialized_) {
@@ -546,4 +608,50 @@ void CC1101Component::set_hyst_level(HystLevel value) {
   }
 }
 
+void CC1101Component::set_packet_mode(bool value) {
+  this->state_.PKT_FORMAT =
+      static_cast<uint8_t>(value ? PacketFormat::PACKET_FORMAT_FIFO : PacketFormat::PACKET_FORMAT_ASYNC_SERIAL);
+  if (value) {
+    // Configure GDO0 for FIFO status (asserts on RX FIFO threshold or end of packet)
+    this->state_.GDO0_CFG = 0x01;
+    // Set max RX FIFO threshold to ensure we only trigger on end-of-packet
+    this->state_.FIFO_THR = 15;
+  } else {
+    // Configure GDO0 for serial data (async serial mode)
+    this->state_.GDO0_CFG = 0x0D;
+  }
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+    this->write_(Register::IOCFG0);
+    this->write_(Register::FIFOTHR);
+  }
+}
+
+void CC1101Component::set_packet_length(uint8_t value) {
+  if (value == 0) {
+    this->state_.LENGTH_CONFIG = static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_VARIABLE);
+  } else {
+    this->state_.LENGTH_CONFIG = static_cast<uint8_t>(LengthConfig::LENGTH_CONFIG_FIXED);
+    this->state_.PKTLEN = value;
+  }
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+    this->write_(Register::PKTLEN);
+  }
+}
+
+void CC1101Component::set_crc_enable(bool value) {
+  this->state_.CRC_EN = value ? 1 : 0;
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+  }
+}
+
+void CC1101Component::set_whitening(bool value) {
+  this->state_.WHITE_DATA = value ? 1 : 0;
+  if (this->initialized_) {
+    this->write_(Register::PKTCTRL0);
+  }
+}
+
 }  // namespace esphome::cc1101

esphome/components/cc1101/cc1101.h

@@ -5,9 +5,12 @@
 #include "esphome/components/spi/spi.h"
 #include "esphome/core/automation.h"
 #include "cc1101defs.h"
+#include <vector>
 
 namespace esphome::cc1101 {
 
+enum class CC1101Error { NONE = 0, TIMEOUT, PARAMS, CRC_ERROR, FIFO_OVERFLOW };
+
 class CC1101Component : public Component,
                         public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
                                               spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_1MHZ> {
@@ -15,6 +18,7 @@ class CC1101Component : public Component,
   CC1101Component();
 
   void setup() override;
+  void loop() override;
   void dump_config() override;
 
   // Actions
@@ -24,8 +28,7 @@ class CC1101Component : public Component,
   void set_idle();
 
   // GDO Pin Configuration
-  void set_gdo0_config(uint8_t value);
-  void set_gdo2_config(uint8_t value);
+  void set_gdo0_pin(InternalGPIOPin *pin) { this->gdo0_pin_ = pin; }
 
   // Configuration Setters
   void set_output_power(float value);
@@ -48,7 +51,6 @@ class CC1101Component : public Component,
   void set_num_preamble(uint8_t value);
   void set_sync1(uint8_t value);
   void set_sync0(uint8_t value);
-  void set_pktlen(uint8_t value);
 
   // AGC settings
   void set_magn_target(MagnTarget value);
@@ -63,6 +65,16 @@ class CC1101Component : public Component,
   void set_wait_time(WaitTime value);
   void set_hyst_level(HystLevel value);
 
+  // Packet mode settings
+  void set_packet_mode(bool value);
+  void set_packet_length(uint8_t value);
+  void set_crc_enable(bool value);
+  void set_whitening(bool value);
+
+  // Packet mode operations
+  CC1101Error transmit_packet(const std::vector<uint8_t> &packet);
+  Trigger<std::vector<uint8_t>, float, uint8_t> *get_packet_trigger() const { return this->packet_trigger_; }
+
  protected:
   uint16_t chip_id_{0};
   bool initialized_{false};
@@ -73,6 +85,13 @@ class CC1101Component : public Component,
 
   CC1101State state_;
 
+  // GDO pin for packet reception
+  InternalGPIOPin *gdo0_pin_{nullptr};
+
+  // Packet handling
+  Trigger<std::vector<uint8_t>, float, uint8_t> *packet_trigger_{new Trigger<std::vector<uint8_t>, float, uint8_t>()};
+  std::vector<uint8_t> packet_;
+
   // Low-level Helpers
   uint8_t strobe_(Command cmd);
   void write_(Register reg);
@@ -107,4 +126,28 @@ template<typename... Ts> class SetIdleAction : public Action<Ts...>, public Pare
   void play(const Ts &...x) override { this->parent_->set_idle(); }
 };
 
+template<typename... Ts> class SendPacketAction : public Action<Ts...>, public Parented<CC1101Component> {
+ public:
+  void set_data_template(std::function<std::vector<uint8_t>(Ts...)> func) { this->data_func_ = func; }
+  void set_data_static(const uint8_t *data, size_t len) {
+    this->data_static_ = data;
+    this->data_static_len_ = len;
+  }
+
+  void play(const Ts &...x) override {
+    if (this->data_func_) {
+      auto data = this->data_func_(x...);
+      this->parent_->transmit_packet(data);
+    } else if (this->data_static_ != nullptr) {
+      std::vector<uint8_t> data(this->data_static_, this->data_static_ + this->data_static_len_);
+      this->parent_->transmit_packet(data);
+    }
+  }
+
+ protected:
+  std::function<std::vector<uint8_t>(Ts...)> data_func_{};
+  const uint8_t *data_static_{nullptr};
+  size_t data_static_len_{0};
+};
+
 }  // namespace esphome::cc1101

esphome/components/cc1101/cc1101defs.h

@@ -6,6 +6,12 @@ namespace esphome::cc1101 {
 
 static constexpr float XTAL_FREQUENCY = 26000000;
 
+static constexpr float RSSI_OFFSET = 74.0f;
+static constexpr float RSSI_STEP = 0.5f;
+
+static constexpr uint8_t STATUS_CRC_OK_MASK = 0x80;
+static constexpr uint8_t STATUS_LQI_MASK = 0x7F;
+
 static constexpr uint8_t BUS_BURST = 0x40;
 static constexpr uint8_t BUS_READ = 0x80;
 static constexpr uint8_t BUS_WRITE = 0x00;
@@ -134,6 +140,10 @@ enum class SyncMode : uint8_t {
   SYNC_MODE_15_16,
   SYNC_MODE_16_16,
   SYNC_MODE_30_32,
+  SYNC_MODE_NONE_CS,
+  SYNC_MODE_15_16_CS,
+  SYNC_MODE_16_16_CS,
+  SYNC_MODE_30_32_CS,
 };
 
 enum class Modulation : uint8_t {
@@ -218,6 +228,19 @@ enum class HystLevel : uint8_t {
   HYST_LEVEL_HIGH,
 };
 
+enum class PacketFormat : uint8_t {
+  PACKET_FORMAT_FIFO,
+  PACKET_FORMAT_SYNC_SERIAL,
+  PACKET_FORMAT_RANDOM_TX,
+  PACKET_FORMAT_ASYNC_SERIAL,
+};
+
+enum class LengthConfig : uint8_t {
+  LENGTH_CONFIG_FIXED,
+  LENGTH_CONFIG_VARIABLE,
+  LENGTH_CONFIG_INFINITE,
+};
+
 struct __attribute__((packed)) CC1101State {
   // Byte array accessors for bulk SPI transfers
   uint8_t *regs() { return reinterpret_cast<uint8_t *>(this); }

esphome/components/climate/__init__.py

@@ -117,9 +117,7 @@ CONF_MIN_HUMIDITY = "min_humidity"
 CONF_MAX_HUMIDITY = "max_humidity"
 CONF_TARGET_HUMIDITY = "target_humidity"
 
-visual_temperature = cv.float_with_unit(
-    "visual_temperature", "(°C|° C|°|C|°K|° K|K|°F|° F|F)?"
-)
+visual_temperature = cv.float_with_unit("visual_temperature", "(°|(° ?)?[CKF])?")
 
 
 VISUAL_TEMPERATURE_STEP_SCHEMA = cv.Schema(

esphome/components/climate/climate.cpp

@@ -2,6 +2,7 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/controller_registry.h"
 #include "esphome/core/macros.h"
+#include <strings.h>
 
 namespace esphome::climate {
 
@@ -190,24 +191,30 @@ ClimateCall &ClimateCall::set_fan_mode(ClimateFanMode fan_mode) {
 }
 
 ClimateCall &ClimateCall::set_fan_mode(const char *custom_fan_mode) {
+  return this->set_fan_mode(custom_fan_mode, strlen(custom_fan_mode));
+}
+
+ClimateCall &ClimateCall::set_fan_mode(const std::string &fan_mode) {
+  return this->set_fan_mode(fan_mode.data(), fan_mode.size());
+}
+
+ClimateCall &ClimateCall::set_fan_mode(const char *custom_fan_mode, size_t len) {
   // Check if it's a standard enum mode first
   for (const auto &mode_entry : CLIMATE_FAN_MODES_BY_STR) {
-    if (str_equals_case_insensitive(custom_fan_mode, mode_entry.str)) {
+    if (strncasecmp(custom_fan_mode, mode_entry.str, len) == 0 && mode_entry.str[len] == '\0') {
       return this->set_fan_mode(static_cast<ClimateFanMode>(mode_entry.value));
     }
   }
   // Find the matching pointer from parent climate device
-  if (const char *mode_ptr = this->parent_->find_custom_fan_mode_(custom_fan_mode)) {
+  if (const char *mode_ptr = this->parent_->find_custom_fan_mode_(custom_fan_mode, len)) {
     this->custom_fan_mode_ = mode_ptr;
     this->fan_mode_.reset();
     return *this;
   }
-  ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %s", this->parent_->get_name().c_str(), custom_fan_mode);
+  ESP_LOGW(TAG, "'%s' - Unrecognized fan mode %.*s", this->parent_->get_name().c_str(), (int) len, custom_fan_mode);
   return *this;
 }
 
-ClimateCall &ClimateCall::set_fan_mode(const std::string &fan_mode) { return this->set_fan_mode(fan_mode.c_str()); }
-
 ClimateCall &ClimateCall::set_fan_mode(optional<std::string> fan_mode) {
   if (fan_mode.has_value()) {
     this->set_fan_mode(fan_mode.value());
@@ -222,24 +229,30 @@ ClimateCall &ClimateCall::set_preset(ClimatePreset preset) {
 }
 
 ClimateCall &ClimateCall::set_preset(const char *custom_preset) {
+  return this->set_preset(custom_preset, strlen(custom_preset));
+}
+
+ClimateCall &ClimateCall::set_preset(const std::string &preset) {
+  return this->set_preset(preset.data(), preset.size());
+}
+
+ClimateCall &ClimateCall::set_preset(const char *custom_preset, size_t len) {
   // Check if it's a standard enum preset first
   for (const auto &preset_entry : CLIMATE_PRESETS_BY_STR) {
-    if (str_equals_case_insensitive(custom_preset, preset_entry.str)) {
+    if (strncasecmp(custom_preset, preset_entry.str, len) == 0 && preset_entry.str[len] == '\0') {
       return this->set_preset(static_cast<ClimatePreset>(preset_entry.value));
     }
   }
   // Find the matching pointer from parent climate device
-  if (const char *preset_ptr = this->parent_->find_custom_preset_(custom_preset)) {
+  if (const char *preset_ptr = this->parent_->find_custom_preset_(custom_preset, len)) {
     this->custom_preset_ = preset_ptr;
     this->preset_.reset();
     return *this;
   }
-  ESP_LOGW(TAG, "'%s' - Unrecognized preset %s", this->parent_->get_name().c_str(), custom_preset);
+  ESP_LOGW(TAG, "'%s' - Unrecognized preset %.*s", this->parent_->get_name().c_str(), (int) len, custom_preset);
   return *this;
 }
 
-ClimateCall &ClimateCall::set_preset(const std::string &preset) { return this->set_preset(preset.c_str()); }
-
 ClimateCall &ClimateCall::set_preset(optional<std::string> preset) {
   if (preset.has_value()) {
     this->set_preset(preset.value());
@@ -688,11 +701,19 @@ bool Climate::set_custom_preset_(const char *preset) {
 void Climate::clear_custom_preset_() { this->custom_preset_ = nullptr; }
 
 const char *Climate::find_custom_fan_mode_(const char *custom_fan_mode) {
-  return this->get_traits().find_custom_fan_mode_(custom_fan_mode);
+  return this->find_custom_fan_mode_(custom_fan_mode, strlen(custom_fan_mode));
+}
+
+const char *Climate::find_custom_fan_mode_(const char *custom_fan_mode, size_t len) {
+  return this->get_traits().find_custom_fan_mode_(custom_fan_mode, len);
 }
 
 const char *Climate::find_custom_preset_(const char *custom_preset) {
-  return this->get_traits().find_custom_preset_(custom_preset);
+  return this->find_custom_preset_(custom_preset, strlen(custom_preset));
+}
+
+const char *Climate::find_custom_preset_(const char *custom_preset, size_t len) {
+  return this->get_traits().find_custom_preset_(custom_preset, len);
 }
 
 void Climate::dump_traits_(const char *tag) {

esphome/components/climate/climate.h

@@ -78,6 +78,8 @@ class ClimateCall {
   ClimateCall &set_fan_mode(optional<std::string> fan_mode);
   /// Set the custom fan mode of the climate device.
   ClimateCall &set_fan_mode(const char *custom_fan_mode);
+  /// Set the custom fan mode of the climate device (zero-copy API path).
+  ClimateCall &set_fan_mode(const char *custom_fan_mode, size_t len);
   /// Set the swing mode of the climate device.
   ClimateCall &set_swing_mode(ClimateSwingMode swing_mode);
   /// Set the swing mode of the climate device.
@@ -94,6 +96,8 @@ class ClimateCall {
   ClimateCall &set_preset(optional<std::string> preset);
   /// Set the custom preset of the climate device.
   ClimateCall &set_preset(const char *custom_preset);
+  /// Set the custom preset of the climate device (zero-copy API path).
+  ClimateCall &set_preset(const char *custom_preset, size_t len);
 
   void perform();
 
@@ -290,9 +294,11 @@ class Climate : public EntityBase {
 
   /// Find and return the matching custom fan mode pointer from traits, or nullptr if not found.
   const char *find_custom_fan_mode_(const char *custom_fan_mode);
+  const char *find_custom_fan_mode_(const char *custom_fan_mode, size_t len);
 
   /// Find and return the matching custom preset pointer from traits, or nullptr if not found.
   const char *find_custom_preset_(const char *custom_preset);
+  const char *find_custom_preset_(const char *custom_preset, size_t len);
 
   /** Get the default traits of this climate device.
    *
@@ -320,8 +326,8 @@ class Climate : public EntityBase {
 
   void dump_traits_(const char *tag);
 
-  CallbackManager<void(Climate &)> state_callback_{};
-  CallbackManager<void(ClimateCall &)> control_callback_{};
+  LazyCallbackManager<void(Climate &)> state_callback_{};
+  LazyCallbackManager<void(ClimateCall &)> control_callback_{};
   ESPPreferenceObject rtc_;
 #ifdef USE_CLIMATE_VISUAL_OVERRIDES
   float visual_min_temperature_override_{NAN};

esphome/components/climate/climate_traits.h

@@ -20,18 +20,22 @@ using ClimatePresetMask = FiniteSetMask<ClimatePreset, DefaultBitPolicy<ClimateP
 
 // Lightweight linear search for small vectors (1-20 items) of const char* pointers
 // Avoids std::find template overhead
-inline bool vector_contains(const std::vector<const char *> &vec, const char *value) {
+inline bool vector_contains(const std::vector<const char *> &vec, const char *value, size_t len) {
   for (const char *item : vec) {
-    if (strcmp(item, value) == 0)
+    if (strncmp(item, value, len) == 0 && item[len] == '\0')
       return true;
   }
   return false;
 }
 
+inline bool vector_contains(const std::vector<const char *> &vec, const char *value) {
+  return vector_contains(vec, value, strlen(value));
+}
+
 // Find and return matching pointer from vector, or nullptr if not found
-inline const char *vector_find(const std::vector<const char *> &vec, const char *value) {
+inline const char *vector_find(const std::vector<const char *> &vec, const char *value, size_t len) {
   for (const char *item : vec) {
-    if (strcmp(item, value) == 0)
+    if (strncmp(item, value, len) == 0 && item[len] == '\0')
       return item;
   }
   return nullptr;
@@ -257,13 +261,19 @@ class ClimateTraits {
   /// Find and return the matching custom fan mode pointer from supported modes, or nullptr if not found
   /// This is protected as it's an implementation detail - use Climate::find_custom_fan_mode_() instead
   const char *find_custom_fan_mode_(const char *custom_fan_mode) const {
-    return vector_find(this->supported_custom_fan_modes_, custom_fan_mode);
+    return this->find_custom_fan_mode_(custom_fan_mode, strlen(custom_fan_mode));
+  }
+  const char *find_custom_fan_mode_(const char *custom_fan_mode, size_t len) const {
+    return vector_find(this->supported_custom_fan_modes_, custom_fan_mode, len);
   }
 
   /// Find and return the matching custom preset pointer from supported presets, or nullptr if not found
   /// This is protected as it's an implementation detail - use Climate::find_custom_preset_() instead
   const char *find_custom_preset_(const char *custom_preset) const {
-    return vector_find(this->supported_custom_presets_, custom_preset);
+    return this->find_custom_preset_(custom_preset, strlen(custom_preset));
+  }
+  const char *find_custom_preset_(const char *custom_preset, size_t len) const {
+    return vector_find(this->supported_custom_presets_, custom_preset, len);
   }
 
   uint32_t feature_flags_{0};

esphome/components/const/__init__.py

@@ -7,9 +7,11 @@ BYTE_ORDER_LITTLE = "little_endian"
 BYTE_ORDER_BIG = "big_endian"
 
 CONF_COLOR_DEPTH = "color_depth"
+CONF_CRC_ENABLE = "crc_enable"
 CONF_DRAW_ROUNDING = "draw_rounding"
 CONF_ENABLED = "enabled"
 CONF_IGNORE_NOT_FOUND = "ignore_not_found"
+CONF_ON_PACKET = "on_packet"
 CONF_ON_RECEIVE = "on_receive"
 CONF_ON_STATE_CHANGE = "on_state_change"
 CONF_REQUEST_HEADERS = "request_headers"

esphome/components/copy/select/copy_select.cpp

@@ -7,7 +7,7 @@ namespace copy {
 static const char *const TAG = "copy.select";
 
 void CopySelect::setup() {
-  source_->add_on_state_callback([this](const std::string &value, size_t index) { this->publish_state(index); });
+  source_->add_on_state_callback([this](size_t index) { this->publish_state(index); });
 
   traits.set_options(source_->traits.get_options());
 

esphome/components/cover/cover.h

@@ -152,7 +152,7 @@ class Cover : public EntityBase, public EntityBase_DeviceClass {
 
   optional<CoverRestoreState> restore_state_();
 
-  CallbackManager<void()> state_callback_{};
+  LazyCallbackManager<void()> state_callback_{};
 
   ESPPreferenceObject rtc_;
 };

esphome/components/datetime/datetime_base.h

@@ -22,7 +22,7 @@ class DateTimeBase : public EntityBase {
 #endif
 
  protected:
-  CallbackManager<void()> state_callback_;
+  LazyCallbackManager<void()> state_callback_;
 
 #ifdef USE_TIME
   time::RealTimeClock *rtc_;

esphome/components/deep_sleep/__init__.py

@@ -1,4 +1,4 @@
-from esphome import automation, pins
+from esphome import automation, core, pins
 import esphome.codegen as cg
 from esphome.components import esp32, time
 from esphome.components.esp32 import (
@@ -23,16 +23,20 @@ from esphome.const import (
     CONF_MINUTE,
     CONF_MODE,
     CONF_NUMBER,
+    CONF_PIN,
     CONF_PINS,
     CONF_RUN_DURATION,
     CONF_SECOND,
     CONF_SLEEP_DURATION,
     CONF_TIME_ID,
     CONF_WAKEUP_PIN,
+    PLATFORM_BK72XX,
     PLATFORM_ESP32,
     PLATFORM_ESP8266,
     PlatformFramework,
 )
+from esphome.core import CORE
+from esphome.types import ConfigType
 
 WAKEUP_PINS = {
     VARIANT_ESP32: [
@@ -113,7 +117,7 @@ WAKEUP_PINS = {
 }
 
 
-def validate_pin_number(value):
+def validate_pin_number_esp32(value: ConfigType) -> ConfigType:
     valid_pins = WAKEUP_PINS.get(get_esp32_variant(), WAKEUP_PINS[VARIANT_ESP32])
     if value[CONF_NUMBER] not in valid_pins:
         raise cv.Invalid(
@@ -122,6 +126,51 @@ def validate_pin_number(value):
     return value
 
 
+def validate_pin_number(value: ConfigType) -> ConfigType:
+    if not CORE.is_esp32:
+        return value
+    return validate_pin_number_esp32(value)
+
+
+def validate_wakeup_pin(
+    value: ConfigType | list[ConfigType],
+) -> list[ConfigType]:
+    if not isinstance(value, list):
+        processed_pins: list[ConfigType] = [{CONF_PIN: value}]
+    else:
+        processed_pins = list(value)
+
+    for i, pin_config in enumerate(processed_pins):
+        # now validate each item
+        validated_pin = WAKEUP_PIN_SCHEMA(pin_config)
+        validate_pin_number(validated_pin[CONF_PIN])
+        processed_pins[i] = validated_pin
+
+    return processed_pins
+
+
+def validate_config(config: ConfigType) -> ConfigType:
+    # right now only BK72XX supports the list format for wakeup pins
+    if CORE.is_bk72xx:
+        if CONF_WAKEUP_PIN_MODE in config:
+            wakeup_pins = config.get(CONF_WAKEUP_PIN, [])
+            if len(wakeup_pins) > 1:
+                raise cv.Invalid(
+                    "You need to remove the global wakeup_pin_mode and define it per pin"
+                )
+            if wakeup_pins:
+                wakeup_pins[0][CONF_WAKEUP_PIN_MODE] = config.pop(CONF_WAKEUP_PIN_MODE)
+    elif (
+        isinstance(config.get(CONF_WAKEUP_PIN), list)
+        and len(config[CONF_WAKEUP_PIN]) > 1
+    ):
+        raise cv.Invalid(
+            "Your platform does not support providing multiple entries in wakeup_pin"
+        )
+
+    return config
+
+
 def _validate_ex1_wakeup_mode(value):
     if value == "ALL_LOW":
         esp32.only_on_variant(supported=[VARIANT_ESP32], msg_prefix="ALL_LOW")(value)
@@ -141,6 +190,15 @@ def _validate_ex1_wakeup_mode(value):
     return value
 
 
+def _validate_sleep_duration(value: core.TimePeriod) -> core.TimePeriod:
+    if not CORE.is_bk72xx:
+        return value
+    max_duration = core.TimePeriod(hours=36)
+    if value > max_duration:
+        raise cv.Invalid("sleep duration cannot be more than 36 hours on BK72XX")
+    return value
+
+
 deep_sleep_ns = cg.esphome_ns.namespace("deep_sleep")
 DeepSleepComponent = deep_sleep_ns.class_("DeepSleepComponent", cg.Component)
 EnterDeepSleepAction = deep_sleep_ns.class_("EnterDeepSleepAction", automation.Action)
@@ -186,6 +244,13 @@ WAKEUP_CAUSES_SCHEMA = cv.Schema(
     }
 )
 
+WAKEUP_PIN_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_PIN): pins.internal_gpio_input_pin_schema,
+        cv.Optional(CONF_WAKEUP_PIN_MODE): cv.enum(WAKEUP_PIN_MODES, upper=True),
+    }
+)
+
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -194,14 +259,15 @@ CONFIG_SCHEMA = cv.All(
                 cv.All(cv.only_on_esp32, WAKEUP_CAUSES_SCHEMA),
                 cv.positive_time_period_milliseconds,
             ),
-            cv.Optional(CONF_SLEEP_DURATION): cv.positive_time_period_milliseconds,
-            cv.Optional(CONF_WAKEUP_PIN): cv.All(
-                cv.only_on_esp32,
-                pins.internal_gpio_input_pin_schema,
-                validate_pin_number,
+            cv.Optional(CONF_SLEEP_DURATION): cv.All(
+                cv.positive_time_period_milliseconds,
+                _validate_sleep_duration,
             ),
+            cv.Optional(CONF_WAKEUP_PIN): validate_wakeup_pin,
             cv.Optional(CONF_WAKEUP_PIN_MODE): cv.All(
-                cv.only_on_esp32, cv.enum(WAKEUP_PIN_MODES), upper=True
+                cv.only_on([PLATFORM_ESP32, PLATFORM_BK72XX]),
+                cv.enum(WAKEUP_PIN_MODES),
+                upper=True,
             ),
             cv.Optional(CONF_ESP32_EXT1_WAKEUP): cv.All(
                 cv.only_on_esp32,
@@ -212,7 +278,8 @@ CONFIG_SCHEMA = cv.All(
                 cv.Schema(
                     {
                         cv.Required(CONF_PINS): cv.ensure_list(
-                            pins.internal_gpio_input_pin_schema, validate_pin_number
+                            pins.internal_gpio_input_pin_schema,
+                            validate_pin_number_esp32,
                         ),
                         cv.Required(CONF_MODE): cv.All(
                             cv.enum(EXT1_WAKEUP_MODES, upper=True),
@@ -238,7 +305,8 @@ CONFIG_SCHEMA = cv.All(
             ),
         }
     ).extend(cv.COMPONENT_SCHEMA),
-    cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266]),
+    cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266, PLATFORM_BK72XX]),
+    validate_config,
 )
 
 
@@ -249,8 +317,21 @@ async def to_code(config):
     if CONF_SLEEP_DURATION in config:
         cg.add(var.set_sleep_duration(config[CONF_SLEEP_DURATION]))
     if CONF_WAKEUP_PIN in config:
-        pin = await cg.gpio_pin_expression(config[CONF_WAKEUP_PIN])
-        cg.add(var.set_wakeup_pin(pin))
+        pins_as_list = config.get(CONF_WAKEUP_PIN, [])
+        if CORE.is_bk72xx:
+            cg.add(var.init_wakeup_pins_(len(pins_as_list)))
+            for item in pins_as_list:
+                cg.add(
+                    var.add_wakeup_pin(
+                        await cg.gpio_pin_expression(item[CONF_PIN]),
+                        item.get(
+                            CONF_WAKEUP_PIN_MODE, WakeupPinMode.WAKEUP_PIN_MODE_IGNORE
+                        ),
+                    )
+                )
+        else:
+            pin = await cg.gpio_pin_expression(pins_as_list[0][CONF_PIN])
+            cg.add(var.set_wakeup_pin(pin))
     if CONF_WAKEUP_PIN_MODE in config:
         cg.add(var.set_wakeup_pin_mode(config[CONF_WAKEUP_PIN_MODE]))
     if CONF_RUN_DURATION in config:
@@ -305,7 +386,10 @@ DEEP_SLEEP_ENTER_SCHEMA = cv.All(
             cv.Schema(
                 {
                     cv.Exclusive(CONF_SLEEP_DURATION, "time"): cv.templatable(
-                        cv.positive_time_period_milliseconds
+                        cv.All(
+                            cv.positive_time_period_milliseconds,
+                            _validate_sleep_duration,
+                        )
                     ),
                     # Only on ESP32 due to how long the RTC on ESP8266 can stay asleep
                     cv.Exclusive(CONF_UNTIL, "time"): cv.All(
@@ -363,5 +447,6 @@ FILTER_SOURCE_FILES = filter_source_files_from_platform(
             PlatformFramework.ESP32_IDF,
         },
         "deep_sleep_esp8266.cpp": {PlatformFramework.ESP8266_ARDUINO},
+        "deep_sleep_bk72xx.cpp": {PlatformFramework.BK72XX_ARDUINO},
     }
 )

esphome/components/deep_sleep/deep_sleep_bk72xx.cpp

@@ -0,0 +1,64 @@
+#ifdef USE_BK72XX
+
+#include "deep_sleep_component.h"
+#include "esphome/core/log.h"
+
+namespace esphome::deep_sleep {
+
+static const char *const TAG = "deep_sleep.bk72xx";
+
+optional<uint32_t> DeepSleepComponent::get_run_duration_() const { return this->run_duration_; }
+
+void DeepSleepComponent::dump_config_platform_() {
+  for (const WakeUpPinItem &item : this->wakeup_pins_) {
+    LOG_PIN("  Wakeup Pin: ", item.wakeup_pin);
+  }
+}
+
+bool DeepSleepComponent::pin_prevents_sleep_(WakeUpPinItem &pinItem) const {
+  return (pinItem.wakeup_pin_mode == WAKEUP_PIN_MODE_KEEP_AWAKE && pinItem.wakeup_pin != nullptr &&
+          !this->sleep_duration_.has_value() && (pinItem.wakeup_level == get_real_pin_state_(*pinItem.wakeup_pin)));
+}
+
+bool DeepSleepComponent::prepare_to_sleep_() {
+  if (wakeup_pins_.size() > 0) {
+    for (WakeUpPinItem &item : this->wakeup_pins_) {
+      if (pin_prevents_sleep_(item)) {
+        // Defer deep sleep until inactive
+        if (!this->next_enter_deep_sleep_) {
+          this->status_set_warning();
+          ESP_LOGV(TAG, "Waiting for pin to switch state to enter deep sleep...");
+        }
+        this->next_enter_deep_sleep_ = true;
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+void DeepSleepComponent::deep_sleep_() {
+  for (WakeUpPinItem &item : this->wakeup_pins_) {
+    if (item.wakeup_pin_mode == WAKEUP_PIN_MODE_INVERT_WAKEUP) {
+      if (item.wakeup_level == get_real_pin_state_(*item.wakeup_pin)) {
+        item.wakeup_level = !item.wakeup_level;
+      }
+    }
+    ESP_LOGI(TAG, "Wake-up on P%u %s (%d)", item.wakeup_pin->get_pin(), item.wakeup_level ? "HIGH" : "LOW",
+             static_cast<int32_t>(item.wakeup_pin_mode));
+  }
+
+  if (this->sleep_duration_.has_value())
+    lt_deep_sleep_config_timer((*this->sleep_duration_ / 1000) & 0xFFFFFFFF);
+
+  for (WakeUpPinItem &item : this->wakeup_pins_) {
+    lt_deep_sleep_config_gpio(1 << item.wakeup_pin->get_pin(), item.wakeup_level);
+    lt_deep_sleep_keep_floating_gpio(1 << item.wakeup_pin->get_pin(), true);
+  }
+
+  lt_deep_sleep_enter();
+}
+
+}  // namespace esphome::deep_sleep
+
+#endif  // USE_BK72XX

esphome/components/deep_sleep/deep_sleep_component.h

@@ -19,7 +19,7 @@
 namespace esphome {
 namespace deep_sleep {
 
-#ifdef USE_ESP32
+#if defined(USE_ESP32) || defined(USE_BK72XX)
 
 /** The values of this enum define what should be done if deep sleep is set up with a wakeup pin on the ESP32
  * and the scenario occurs that the wakeup pin is already in the wakeup state.
@@ -33,7 +33,17 @@ enum WakeupPinMode {
    */
   WAKEUP_PIN_MODE_INVERT_WAKEUP,
 };
+#endif
 
+#if defined(USE_BK72XX)
+struct WakeUpPinItem {
+  InternalGPIOPin *wakeup_pin;
+  WakeupPinMode wakeup_pin_mode;
+  bool wakeup_level;
+};
+#endif  // USE_BK72XX
+
+#ifdef USE_ESP32
 #if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
 struct Ext1Wakeup {
   uint64_t mask;
@@ -75,6 +85,13 @@ class DeepSleepComponent : public Component {
   void set_wakeup_pin_mode(WakeupPinMode wakeup_pin_mode);
 #endif  // USE_ESP32
 
+#if defined(USE_BK72XX)
+  void init_wakeup_pins_(size_t capacity) { this->wakeup_pins_.init(capacity); }
+  void add_wakeup_pin(InternalGPIOPin *wakeup_pin, WakeupPinMode wakeup_pin_mode) {
+    this->wakeup_pins_.emplace_back(WakeUpPinItem{wakeup_pin, wakeup_pin_mode, !wakeup_pin->is_inverted()});
+  }
+#endif  // USE_BK72XX
+
 #if defined(USE_ESP32)
 #if !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
   void set_ext1_wakeup(Ext1Wakeup ext1_wakeup);
@@ -114,7 +131,17 @@ class DeepSleepComponent : public Component {
   bool prepare_to_sleep_();
   void deep_sleep_();
 
+#ifdef USE_BK72XX
+  bool pin_prevents_sleep_(WakeUpPinItem &pinItem) const;
+  bool get_real_pin_state_(InternalGPIOPin &pin) const { return (pin.digital_read() ^ pin.is_inverted()); }
+#endif  // USE_BK72XX
+
   optional<uint64_t> sleep_duration_;
+
+#ifdef USE_BK72XX
+  FixedVector<WakeUpPinItem> wakeup_pins_;
+#endif  // USE_BK72XX
+
 #ifdef USE_ESP32
   InternalGPIOPin *wakeup_pin_;
   WakeupPinMode wakeup_pin_mode_{WAKEUP_PIN_MODE_IGNORE};
@@ -124,8 +151,10 @@ class DeepSleepComponent : public Component {
 #endif
 
   optional<bool> touch_wakeup_;
+
   optional<WakeupCauseToRunDuration> wakeup_cause_to_run_duration_;
 #endif  // USE_ESP32
+
   optional<uint32_t> run_duration_;
   bool next_enter_deep_sleep_{false};
   bool prevent_{false};

esphome/components/dht/dht.cpp

@@ -8,17 +8,20 @@ namespace dht {
 static const char *const TAG = "dht";
 
 void DHT::setup() {
-  this->pin_->digital_write(true);
-  this->pin_->setup();
-  this->pin_->digital_write(true);
+  this->t_pin_->digital_write(true);
+  this->t_pin_->setup();
+#ifdef USE_ESP32
+  this->t_pin_->pin_mode(this->t_pin_->get_flags() | gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN);
+#endif
+  this->t_pin_->digital_write(true);
 }
 
 void DHT::dump_config() {
   ESP_LOGCONFIG(TAG, "DHT:");
-  LOG_PIN("  Pin: ", this->pin_);
+  LOG_PIN("  Pin: ", this->t_pin_);
   ESP_LOGCONFIG(TAG, "  %sModel: %s", this->is_auto_detect_ ? "Auto-detected " : "",
                 this->model_ == DHT_MODEL_DHT11 ? "DHT11" : "DHT22 or equivalent");
-  ESP_LOGCONFIG(TAG, "  Internal pull-up: %s", ONOFF(this->pin_->get_flags() & gpio::FLAG_PULLUP));
+  ESP_LOGCONFIG(TAG, "  Internal pull-up: %s", ONOFF(this->t_pin_->get_flags() & gpio::FLAG_PULLUP));
   LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
   LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);
@@ -72,21 +75,15 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
   int8_t i = 0;
   uint8_t data[5] = {0, 0, 0, 0, 0};
 
-  this->pin_->digital_write(false);
-  this->pin_->pin_mode(gpio::FLAG_OUTPUT);
-  this->pin_->digital_write(false);
+#ifndef USE_ESP32
+  this->pin_.pin_mode(gpio::FLAG_OUTPUT);
+#endif
+  this->pin_.digital_write(false);
 
   if (this->model_ == DHT_MODEL_DHT11) {
     delayMicroseconds(18000);
   } else if (this->model_ == DHT_MODEL_SI7021) {
-#ifdef USE_ESP8266
     delayMicroseconds(500);
-    this->pin_->digital_write(true);
-    delayMicroseconds(40);
-#else
-    delayMicroseconds(400);
-    this->pin_->digital_write(true);
-#endif
   } else if (this->model_ == DHT_MODEL_DHT22_TYPE2) {
     delayMicroseconds(2000);
   } else if (this->model_ == DHT_MODEL_AM2120 || this->model_ == DHT_MODEL_AM2302) {
@@ -94,7 +91,12 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
   } else {
     delayMicroseconds(800);
   }
-  this->pin_->pin_mode(this->pin_->get_flags());
+
+#ifdef USE_ESP32
+  this->pin_.digital_write(true);
+#else
+  this->pin_.pin_mode(this->t_pin_->get_flags());
+#endif
 
   {
     InterruptLock lock;
@@ -110,7 +112,7 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
       uint32_t start_time = micros();
 
       // Wait for rising edge
-      while (!this->pin_->digital_read()) {
+      while (!this->pin_.digital_read()) {
         if (micros() - start_time > 90) {
           if (i < 0) {
             error_code = 1;  // line didn't clear
@@ -127,7 +129,7 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
       uint32_t end_time = start_time;
 
       // Wait for falling edge
-      while (this->pin_->digital_read()) {
+      while (this->pin_.digital_read()) {
         end_time = micros();
         if (end_time - start_time > 90) {
           if (i < 0) {

esphome/components/dht/dht.h

@@ -38,7 +38,10 @@ class DHT : public PollingComponent {
    */
   void set_dht_model(DHTModel model);
 
-  void set_pin(InternalGPIOPin *pin) { pin_ = pin; }
+  void set_pin(InternalGPIOPin *pin) {
+    this->t_pin_ = pin;
+    this->pin_ = pin->to_isr();
+  }
   void set_model(DHTModel model) { model_ = model; }
   void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
   void set_humidity_sensor(sensor::Sensor *humidity_sensor) { humidity_sensor_ = humidity_sensor; }
@@ -54,7 +57,8 @@ class DHT : public PollingComponent {
  protected:
   bool read_sensor_(float *temperature, float *humidity, bool report_errors);
 
-  InternalGPIOPin *pin_;
+  InternalGPIOPin *t_pin_;
+  ISRInternalGPIOPin pin_;
   DHTModel model_{DHT_MODEL_AUTO_DETECT};
   bool is_auto_detect_{false};
   sensor::Sensor *temperature_sensor_{nullptr};

esphome/components/display_menu_base/menu_item.cpp

@@ -54,6 +54,7 @@ bool MenuItemSelect::select_next() {
 
   if (this->select_var_ != nullptr) {
     this->select_var_->make_call().select_next(true).perform();
+    this->on_value_();
     changed = true;
   }
 
@@ -65,6 +66,7 @@ bool MenuItemSelect::select_prev() {
 
   if (this->select_var_ != nullptr) {
     this->select_var_->make_call().select_previous(true).perform();
+    this->on_value_();
     changed = true;
   }
 

esphome/components/esp32/__init__.py

@@ -4,6 +4,7 @@ import itertools
 import logging
 import os
 from pathlib import Path
+import re
 
 from esphome import yaml_util
 import esphome.codegen as cg
@@ -12,6 +13,7 @@ from esphome.const import (
     CONF_ADVANCED,
     CONF_BOARD,
     CONF_COMPONENTS,
+    CONF_DISABLED,
     CONF_ESPHOME,
     CONF_FRAMEWORK,
     CONF_IGNORE_EFUSE_CUSTOM_MAC,
@@ -23,6 +25,7 @@ from esphome.const import (
     CONF_PLATFORMIO_OPTIONS,
     CONF_REF,
     CONF_REFRESH,
+    CONF_SAFE_MODE,
     CONF_SOURCE,
     CONF_TYPE,
     CONF_VARIANT,
@@ -80,6 +83,7 @@ CONF_ASSERTION_LEVEL = "assertion_level"
 CONF_COMPILER_OPTIMIZATION = "compiler_optimization"
 CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES = "enable_idf_experimental_features"
 CONF_ENABLE_LWIP_ASSERT = "enable_lwip_assert"
+CONF_ENABLE_OTA_ROLLBACK = "enable_ota_rollback"
 CONF_EXECUTE_FROM_PSRAM = "execute_from_psram"
 CONF_RELEASE = "release"
 
@@ -117,8 +121,8 @@ ARDUINO_ALLOWED_VARIANTS = [
 ]
 
 
-def get_cpu_frequencies(*frequencies):
-    return [str(x) + "MHZ" for x in frequencies]
+def get_cpu_frequencies(*frequencies: int) -> list[str]:
+    return [f"{frequency}MHZ" for frequency in frequencies]
 
 
 CPU_FREQUENCIES = {
@@ -135,7 +139,7 @@ CPU_FREQUENCIES = {
 }
 
 # Make sure not missed here if a new variant added.
-assert all(v in CPU_FREQUENCIES for v in VARIANTS)
+assert all(variant in CPU_FREQUENCIES for variant in VARIANTS)
 
 FULL_CPU_FREQUENCIES = set(itertools.chain.from_iterable(CPU_FREQUENCIES.values()))
 
@@ -249,10 +253,10 @@ def add_idf_sdkconfig_option(name: str, value: SdkconfigValueType):
 def add_idf_component(
     *,
     name: str,
-    repo: str = None,
-    ref: str = None,
-    path: str = None,
-    refresh: TimePeriod = None,
+    repo: str | None = None,
+    ref: str | None = None,
+    path: str | None = None,
+    refresh: TimePeriod | None = None,
     components: list[str] | None = None,
     submodules: list[str] | None = None,
 ):
@@ -333,7 +337,7 @@ def _format_framework_espidf_version(ver: cv.Version, release: str) -> str:
     return f"pioarduino/framework-espidf@https://github.com/pioarduino/esp-idf/releases/download/v{str(ver)}/esp-idf-v{str(ver)}.{ext}"
 
 
-def _is_framework_url(source: str) -> str:
+def _is_framework_url(source: str) -> bool:
     # platformio accepts many URL schemes for framework repositories and archives including http, https, git, file, and symlink
     import urllib.parse
 
@@ -570,6 +574,13 @@ def final_validate(config):
                 path=[CONF_FLASH_SIZE],
             )
         )
+    if advanced[CONF_ENABLE_OTA_ROLLBACK]:
+        safe_mode_config = full_config.get(CONF_SAFE_MODE)
+        if safe_mode_config is None or safe_mode_config.get(CONF_DISABLED, False):
+            _LOGGER.warning(
+                "OTA rollback requires safe_mode, disabling rollback support"
+            )
+            advanced[CONF_ENABLE_OTA_ROLLBACK] = False
     if errs:
         raise cv.MultipleInvalid(errs)
 
@@ -616,10 +627,13 @@ def require_vfs_dir() -> None:
 
 def _parse_idf_component(value: str) -> ConfigType:
     """Parse IDF component shorthand syntax like 'owner/component^version'"""
-    if "^" not in value:
-        raise cv.Invalid(f"Invalid IDF component shorthand '{value}'")
-    name, ref = value.split("^", 1)
-    return {CONF_NAME: name, CONF_REF: ref}
+    # Match operator followed by version-like string (digit or *)
+    if match := re.search(r"(~=|>=|<=|==|!=|>|<|\^|~)(\d|\*)", value):
+        return {CONF_NAME: value[: match.start()], CONF_REF: value[match.start() :]}
+    raise cv.Invalid(
+        f"Invalid IDF component shorthand '{value}'. "
+        f"Expected format: 'owner/component<op>version' where <op> is one of: ^, ~, ~=, ==, !=, >=, >, <=, <"
+    )
 
 
 def _validate_idf_component(config: ConfigType) -> ConfigType:
@@ -687,6 +701,7 @@ FRAMEWORK_SCHEMA = cv.Schema(
                 cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
                     min=8192, max=32768
                 ),
+                cv.Optional(CONF_ENABLE_OTA_ROLLBACK, default=True): cv.boolean,
             }
         ),
         cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
@@ -967,29 +982,14 @@ async def to_code(config):
         cg.add_platformio_option("framework", "arduino, espidf")
         cg.add_build_flag("-DUSE_ARDUINO")
         cg.add_build_flag("-DUSE_ESP32_FRAMEWORK_ARDUINO")
-        cg.add_platformio_option(
-            "board_build.embed_txtfiles",
-            [
-                "managed_components/espressif__esp_insights/server_certs/https_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_mqtt_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_claim_service_server.crt",
-                "managed_components/espressif__esp_rainmaker/server_certs/rmaker_ota_server.crt",
-            ],
-        )
         cg.add_define(
             "USE_ARDUINO_VERSION_CODE",
             cg.RawExpression(
                 f"VERSION_CODE({framework_ver.major}, {framework_ver.minor}, {framework_ver.patch})"
             ),
         )
-        add_idf_sdkconfig_option(
-            "CONFIG_ARDUINO_LOOP_STACK_SIZE",
-            conf[CONF_ADVANCED][CONF_LOOP_TASK_STACK_SIZE],
-        )
-        add_idf_sdkconfig_option("CONFIG_AUTOSTART_ARDUINO", True)
         add_idf_sdkconfig_option("CONFIG_MBEDTLS_PSK_MODES", True)
         add_idf_sdkconfig_option("CONFIG_MBEDTLS_CERTIFICATE_BUNDLE", True)
-        add_idf_sdkconfig_option("CONFIG_ESP_PHY_REDUCE_TX_POWER", True)
 
         # ESP32-S2 Arduino: Disable USB Serial on boot to avoid TinyUSB dependency
         if get_esp32_variant() == VARIANT_ESP32S2:
@@ -1160,6 +1160,11 @@ async def to_code(config):
                 "CONFIG_BOOTLOADER_CACHE_32BIT_ADDR_QUAD_FLASH", True
             )
 
+    # Enable OTA rollback support
+    if advanced[CONF_ENABLE_OTA_ROLLBACK]:
+        add_idf_sdkconfig_option("CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE", True)
+        cg.add_define("USE_OTA_ROLLBACK")
+
     cg.add_define("ESPHOME_LOOP_TASK_STACK_SIZE", advanced[CONF_LOOP_TASK_STACK_SIZE])
 
     cg.add_define(
@@ -1189,7 +1194,7 @@ APP_PARTITION_SIZES = {
 }
 
 
-def get_arduino_partition_csv(flash_size):
+def get_arduino_partition_csv(flash_size: str):
     app_partition_size = APP_PARTITION_SIZES[flash_size]
     eeprom_partition_size = 0x1000  # 4 KB
     spiffs_partition_size = 0xF000  # 60 KB
@@ -1209,7 +1214,7 @@ spiffs,   data, spiffs,  0x{spiffs_partition_start:X}, 0x{spiffs_partition_size:
 """
 
 
-def get_idf_partition_csv(flash_size):
+def get_idf_partition_csv(flash_size: str):
     app_partition_size = APP_PARTITION_SIZES[flash_size]
 
     return f"""\

esphome/components/esp32/core.cpp

@@ -4,25 +4,20 @@
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 #include "preferences.h"
-#include <freertos/FreeRTOS.h>
-#include <freertos/task.h>
+#include <esp_clk_tree.h>
+#include <esp_cpu.h>
 #include <esp_idf_version.h>
 #include <esp_ota_ops.h>
 #include <esp_task_wdt.h>
 #include <esp_timer.h>
-#include <soc/rtc.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
 
-#include <hal/cpu_hal.h>
+void setup();  // NOLINT(readability-redundant-declaration)
+void loop();   // NOLINT(readability-redundant-declaration)
 
-#ifdef USE_ARDUINO
-#include <Esp.h>
-#else
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
-#include <esp_clk_tree.h>
-#endif
-void setup();
-void loop();
-#endif
+// Weak stub for initArduino - overridden when the Arduino component is present
+extern "C" __attribute__((weak)) void initArduino() {}
 
 namespace esphome {
 
@@ -41,29 +36,13 @@ void arch_restart() {
 
 void arch_init() {
   // Enable the task watchdog only on the loop task (from which we're currently running)
-#if defined(USE_ESP_IDF)
   esp_task_wdt_add(nullptr);
-  // Idle task watchdog is disabled on ESP-IDF
-#elif defined(USE_ARDUINO)
-  enableLoopWDT();
-  // Disable idle task watchdog on the core we're using (Arduino pins the task to a core)
-#if defined(CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0) && CONFIG_ARDUINO_RUNNING_CORE == 0
-  disableCore0WDT();
-#endif
-#if defined(CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1) && CONFIG_ARDUINO_RUNNING_CORE == 1
-  disableCore1WDT();
-#endif
-#endif
 
-  // If the bootloader was compiled with CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE the current
-  // partition will get rolled back unless it is marked as valid.
-  esp_ota_img_states_t state;
-  const esp_partition_t *running = esp_ota_get_running_partition();
-  if (esp_ota_get_state_partition(running, &state) == ESP_OK) {
-    if (state == ESP_OTA_IMG_PENDING_VERIFY) {
-      esp_ota_mark_app_valid_cancel_rollback();
-    }
-  }
+  // Handle OTA rollback: mark partition valid immediately unless USE_OTA_ROLLBACK is enabled,
+  // in which case safe_mode will mark it valid after confirming successful boot.
+#ifndef USE_OTA_ROLLBACK
+  esp_ota_mark_app_valid_cancel_rollback();
+#endif
 }
 void IRAM_ATTR HOT arch_feed_wdt() { esp_task_wdt_reset(); }
 
@@ -71,21 +50,10 @@ uint8_t progmem_read_byte(const uint8_t *addr) { return *addr; }
 uint32_t arch_get_cpu_cycle_count() { return esp_cpu_get_cycle_count(); }
 uint32_t arch_get_cpu_freq_hz() {
   uint32_t freq = 0;
-#ifdef USE_ESP_IDF
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
   esp_clk_tree_src_get_freq_hz(SOC_MOD_CLK_CPU, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &freq);
-#else
-  rtc_cpu_freq_config_t config;
-  rtc_clk_cpu_freq_get_config(&config);
-  freq = config.freq_mhz * 1000000U;
-#endif
-#elif defined(USE_ARDUINO)
-  freq = ESP.getCpuFreqMHz() * 1000000;
-#endif
   return freq;
 }
 
-#ifdef USE_ESP_IDF
 TaskHandle_t loop_task_handle = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 void loop_task(void *pv_params) {
@@ -96,6 +64,7 @@ void loop_task(void *pv_params) {
 }
 
 extern "C" void app_main() {
+  initArduino();
   esp32::setup_preferences();
 #if CONFIG_FREERTOS_UNICORE
   xTaskCreate(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle);
@@ -103,11 +72,6 @@ extern "C" void app_main() {
   xTaskCreatePinnedToCore(loop_task, "loopTask", ESPHOME_LOOP_TASK_STACK_SIZE, nullptr, 1, &loop_task_handle, 1);
 #endif
 }
-#endif  // USE_ESP_IDF
-
-#ifdef USE_ARDUINO
-extern "C" void init() { esp32::setup_preferences(); }
-#endif  // USE_ARDUINO
 
 }  // namespace esphome
 

esphome/components/esp32/post_build.py.script

@@ -5,6 +5,7 @@ import json  # noqa: E402
 import os  # noqa: E402
 import pathlib  # noqa: E402
 import shutil  # noqa: E402
+from glob import glob  # noqa: E402
 
 
 def merge_factory_bin(source, target, env):
@@ -126,3 +127,14 @@ def esp32_copy_ota_bin(source, target, env):
 # Run merge first, then ota copy second
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", merge_factory_bin)  # noqa: F821
 env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", esp32_copy_ota_bin)  # noqa: F821
+
+# Find server certificates in managed components and generate .S files.
+# Workaround for PlatformIO not processing target_add_binary_data() from managed component CMakeLists.
+project_dir = env.subst("$PROJECT_DIR")
+managed_components = os.path.join(project_dir, "managed_components")
+if os.path.isdir(managed_components):
+    for cert_file in glob(os.path.join(managed_components, "**/server_certs/*.crt"), recursive=True):
+        try:
+            env.FileToAsm(cert_file, FILE_TYPE="TEXT")
+        except Exception as e:
+            print(f"Error processing {os.path.basename(cert_file)}: {e}")

esphome/components/esp32/preferences.cpp

@@ -4,26 +4,28 @@
 #include "esphome/core/log.h"
 #include "esphome/core/preferences.h"
 #include <nvs_flash.h>
-#include <cstring>
 #include <cinttypes>
-#include <vector>
-#include <string>
+#include <cstring>
 #include <memory>
+#include <vector>
 
 namespace esphome {
 namespace esp32 {
 
 static const char *const TAG = "esp32.preferences";
 
+// Buffer size for converting uint32_t to string: max "4294967295" (10 chars) + null terminator + 1 padding
+static constexpr size_t KEY_BUFFER_SIZE = 12;
+
 struct NVSData {
-  std::string key;
+  uint32_t key;
   std::unique_ptr<uint8_t[]> data;
   size_t len;
 
   void set_data(const uint8_t *src, size_t size) {
-    data = std::make_unique<uint8_t[]>(size);
-    memcpy(data.get(), src, size);
-    len = size;
+    this->data = std::make_unique<uint8_t[]>(size);
+    memcpy(this->data.get(), src, size);
+    this->len = size;
   }
 };
 
@@ -31,27 +33,27 @@ static std::vector<NVSData> s_pending_save;  // NOLINT(cppcoreguidelines-avoid-n
 
 class ESP32PreferenceBackend : public ESPPreferenceBackend {
  public:
-  std::string key;
+  uint32_t key;
   uint32_t nvs_handle;
   bool save(const uint8_t *data, size_t len) override {
     // try find in pending saves and update that
     for (auto &obj : s_pending_save) {
-      if (obj.key == key) {
+      if (obj.key == this->key) {
         obj.set_data(data, len);
         return true;
       }
     }
     NVSData save{};
-    save.key = key;
+    save.key = this->key;
     save.set_data(data, len);
     s_pending_save.emplace_back(std::move(save));
-    ESP_LOGVV(TAG, "s_pending_save: key: %s, len: %zu", key.c_str(), len);
+    ESP_LOGVV(TAG, "s_pending_save: key: %" PRIu32 ", len: %zu", this->key, len);
     return true;
   }
   bool load(uint8_t *data, size_t len) override {
     // try find in pending saves and load from that
     for (auto &obj : s_pending_save) {
-      if (obj.key == key) {
+      if (obj.key == this->key) {
         if (obj.len != len) {
           // size mismatch
           return false;
@@ -61,22 +63,24 @@ class ESP32PreferenceBackend : public ESPPreferenceBackend {
       }
     }
 
+    char key_str[KEY_BUFFER_SIZE];
+    snprintf(key_str, sizeof(key_str), "%" PRIu32, this->key);
     size_t actual_len;
-    esp_err_t err = nvs_get_blob(nvs_handle, key.c_str(), nullptr, &actual_len);
+    esp_err_t err = nvs_get_blob(this->nvs_handle, key_str, nullptr, &actual_len);
     if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key_str, esp_err_to_name(err));
       return false;
     }
     if (actual_len != len) {
       ESP_LOGVV(TAG, "NVS length does not match (%zu!=%zu)", actual_len, len);
       return false;
     }
-    err = nvs_get_blob(nvs_handle, key.c_str(), data, &len);
+    err = nvs_get_blob(this->nvs_handle, key_str, data, &len);
     if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key_str, esp_err_to_name(err));
       return false;
     } else {
-      ESP_LOGVV(TAG, "nvs_get_blob: key: %s, len: %zu", key.c_str(), len);
+      ESP_LOGVV(TAG, "nvs_get_blob: key: %s, len: %zu", key_str, len);
     }
     return true;
   }
@@ -103,14 +107,12 @@ class ESP32Preferences : public ESPPreferences {
     }
   }
   ESPPreferenceObject make_preference(size_t length, uint32_t type, bool in_flash) override {
-    return make_preference(length, type);
+    return this->make_preference(length, type);
   }
   ESPPreferenceObject make_preference(size_t length, uint32_t type) override {
     auto *pref = new ESP32PreferenceBackend();  // NOLINT(cppcoreguidelines-owning-memory)
-    pref->nvs_handle = nvs_handle;
-
-    uint32_t keyval = type;
-    pref->key = str_sprintf("%" PRIu32, keyval);
+    pref->nvs_handle = this->nvs_handle;
+    pref->key = type;
 
     return ESPPreferenceObject(pref);
   }
@@ -123,17 +125,19 @@ class ESP32Preferences : public ESPPreferences {
     // goal try write all pending saves even if one fails
     int cached = 0, written = 0, failed = 0;
     esp_err_t last_err = ESP_OK;
-    std::string last_key{};
+    uint32_t last_key = 0;
 
     // go through vector from back to front (makes erase easier/more efficient)
     for (ssize_t i = s_pending_save.size() - 1; i >= 0; i--) {
       const auto &save = s_pending_save[i];
-      ESP_LOGVV(TAG, "Checking if NVS data %s has changed", save.key.c_str());
-      if (is_changed(nvs_handle, save)) {
-        esp_err_t err = nvs_set_blob(nvs_handle, save.key.c_str(), save.data.get(), save.len);
-        ESP_LOGV(TAG, "sync: key: %s, len: %zu", save.key.c_str(), save.len);
+      char key_str[KEY_BUFFER_SIZE];
+      snprintf(key_str, sizeof(key_str), "%" PRIu32, save.key);
+      ESP_LOGVV(TAG, "Checking if NVS data %s has changed", key_str);
+      if (this->is_changed_(this->nvs_handle, save, key_str)) {
+        esp_err_t err = nvs_set_blob(this->nvs_handle, key_str, save.data.get(), save.len);
+        ESP_LOGV(TAG, "sync: key: %s, len: %zu", key_str, save.len);
         if (err != 0) {
-          ESP_LOGV(TAG, "nvs_set_blob('%s', len=%zu) failed: %s", save.key.c_str(), save.len, esp_err_to_name(err));
+          ESP_LOGV(TAG, "nvs_set_blob('%s', len=%zu) failed: %s", key_str, save.len, esp_err_to_name(err));
           failed++;
           last_err = err;
           last_key = save.key;
@@ -141,7 +145,7 @@ class ESP32Preferences : public ESPPreferences {
         }
         written++;
       } else {
-        ESP_LOGV(TAG, "NVS data not changed skipping %s  len=%zu", save.key.c_str(), save.len);
+        ESP_LOGV(TAG, "NVS data not changed skipping %" PRIu32 "  len=%zu", save.key, save.len);
         cached++;
       }
       s_pending_save.erase(s_pending_save.begin() + i);
@@ -149,12 +153,12 @@ class ESP32Preferences : public ESPPreferences {
     ESP_LOGD(TAG, "Writing %d items: %d cached, %d written, %d failed", cached + written + failed, cached, written,
              failed);
     if (failed > 0) {
-      ESP_LOGE(TAG, "Writing %d items failed. Last error=%s for key=%s", failed, esp_err_to_name(last_err),
-               last_key.c_str());
+      ESP_LOGE(TAG, "Writing %d items failed. Last error=%s for key=%" PRIu32, failed, esp_err_to_name(last_err),
+               last_key);
     }
 
     // note: commit on esp-idf currently is a no-op, nvs_set_blob always writes
-    esp_err_t err = nvs_commit(nvs_handle);
+    esp_err_t err = nvs_commit(this->nvs_handle);
     if (err != 0) {
       ESP_LOGV(TAG, "nvs_commit() failed: %s", esp_err_to_name(err));
       return false;
@@ -162,11 +166,13 @@ class ESP32Preferences : public ESPPreferences {
 
     return failed == 0;
   }
-  bool is_changed(const uint32_t nvs_handle, const NVSData &to_save) {
+
+ protected:
+  bool is_changed_(uint32_t nvs_handle, const NVSData &to_save, const char *key_str) {
     size_t actual_len;
-    esp_err_t err = nvs_get_blob(nvs_handle, to_save.key.c_str(), nullptr, &actual_len);
+    esp_err_t err = nvs_get_blob(nvs_handle, key_str, nullptr, &actual_len);
     if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", to_save.key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s'): %s - the key might not be set yet", key_str, esp_err_to_name(err));
       return true;
     }
     // Check size first before allocating memory
@@ -174,9 +180,9 @@ class ESP32Preferences : public ESPPreferences {
       return true;
     }
     auto stored_data = std::make_unique<uint8_t[]>(actual_len);
-    err = nvs_get_blob(nvs_handle, to_save.key.c_str(), stored_data.get(), &actual_len);
+    err = nvs_get_blob(nvs_handle, key_str, stored_data.get(), &actual_len);
     if (err != 0) {
-      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", to_save.key.c_str(), esp_err_to_name(err));
+      ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key_str, esp_err_to_name(err));
       return true;
     }
     return memcmp(to_save.data.get(), stored_data.get(), to_save.len) != 0;

esphome/components/esp32_ble/ble.cpp

@@ -308,13 +308,21 @@ bool ESP32BLE::ble_setup_() {
 bool ESP32BLE::ble_dismantle_() {
   esp_err_t err = esp_bluedroid_disable();
   if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already disabled, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_disable failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already disabled");
   }
   err = esp_bluedroid_deinit();
   if (err != ESP_OK) {
-    ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
-    return false;
+    // ESP_ERR_INVALID_STATE means Bluedroid is already deinitialized, which is fine
+    if (err != ESP_ERR_INVALID_STATE) {
+      ESP_LOGE(TAG, "esp_bluedroid_deinit failed: %d", err);
+      return false;
+    }
+    ESP_LOGD(TAG, "Already deinitialized");
   }
 
 #ifndef CONFIG_ESP_HOSTED_ENABLE_BT_BLUEDROID

esphome/components/esp32_ble/ble.h

@@ -212,17 +212,23 @@ extern ESP32BLE *global_ble;
 
 template<typename... Ts> class BLEEnabledCondition : public Condition<Ts...> {
  public:
-  bool check(const Ts &...x) override { return global_ble->is_active(); }
+  bool check(const Ts &...x) override { return global_ble != nullptr && global_ble->is_active(); }
 };
 
 template<typename... Ts> class BLEEnableAction : public Action<Ts...> {
  public:
-  void play(const Ts &...x) override { global_ble->enable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->enable();
+  }
 };
 
 template<typename... Ts> class BLEDisableAction : public Action<Ts...> {
  public:
-  void play(const Ts &...x) override { global_ble->disable(); }
+  void play(const Ts &...x) override {
+    if (global_ble != nullptr)
+      global_ble->disable();
+  }
 };
 
 }  // namespace esphome::esp32_ble

esphome/components/esp32_ble/ble_uuid.cpp

@@ -143,9 +143,8 @@ bool ESPBTUUID::operator==(const ESPBTUUID &uuid) const {
   return this->as_128bit() == uuid.as_128bit();
 }
 esp_bt_uuid_t ESPBTUUID::get_uuid() const { return this->uuid_; }
-std::string ESPBTUUID::to_string() const {
-  char buf[40];  // Enough for 128-bit UUID with dashes
-  char *pos = buf;
+void ESPBTUUID::to_str(std::span<char, UUID_STR_LEN> output) const {
+  char *pos = output.data();
 
   switch (this->uuid_.len) {
     case ESP_UUID_LEN_16:
@@ -156,7 +155,7 @@ std::string ESPBTUUID::to_string() const {
       *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid16 >> 4) & 0x0F);
       *pos++ = format_hex_pretty_char(this->uuid_.uuid.uuid16 & 0x0F);
       *pos = '\0';
-      return std::string(buf);
+      return;
 
     case ESP_UUID_LEN_32:
       *pos++ = '0';
@@ -165,7 +164,7 @@ std::string ESPBTUUID::to_string() const {
         *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid32 >> shift) & 0x0F);
       }
       *pos = '\0';
-      return std::string(buf);
+      return;
 
     default:
     case ESP_UUID_LEN_128:
@@ -179,9 +178,13 @@ std::string ESPBTUUID::to_string() const {
         }
       }
       *pos = '\0';
-      return std::string(buf);
+      return;
   }
-  return "";
+}
+std::string ESPBTUUID::to_string() const {
+  char buf[UUID_STR_LEN];
+  this->to_str(buf);
+  return std::string(buf);
 }
 
 }  // namespace esphome::esp32_ble

esphome/components/esp32_ble/ble_uuid.h

@@ -7,11 +7,15 @@
 #ifdef USE_ESP32
 #ifdef USE_ESP32_BLE_UUID
 
+#include <span>
 #include <string>
 #include <esp_bt_defs.h>
 
 namespace esphome::esp32_ble {
 
+/// Buffer size for UUID string: "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX\0"
+static constexpr size_t UUID_STR_LEN = 37;
+
 class ESPBTUUID {
  public:
   ESPBTUUID();
@@ -37,6 +41,7 @@ class ESPBTUUID {
   esp_bt_uuid_t get_uuid() const;
 
   std::string to_string() const;
+  void to_str(std::span<char, UUID_STR_LEN> output) const;
 
  protected:
   esp_bt_uuid_t uuid_;

esphome/components/esp32_ble_client/ble_characteristic.cpp

@@ -50,8 +50,12 @@ void BLECharacteristic::parse_descriptors() {
     desc->handle = result.handle;
     desc->characteristic = this;
     this->descriptors.push_back(desc);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+    char uuid_buf[espbt::UUID_STR_LEN];
+    desc->uuid.to_str(uuid_buf);
     ESP_LOGV(TAG, "[%d] [%s]    descriptor %s, handle 0x%x", this->service->client->get_connection_index(),
-             this->service->client->address_str(), desc->uuid.to_string().c_str(), desc->handle);
+             this->service->client->address_str(), uuid_buf, desc->handle);
+#endif
     offset++;
   }
 }

esphome/components/esp32_ble_client/ble_client_base.cpp

@@ -411,12 +411,15 @@ bool BLEClientBase::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
         this->update_conn_params_(MEDIUM_MIN_CONN_INTERVAL, MEDIUM_MAX_CONN_INTERVAL, 0, MEDIUM_CONN_TIMEOUT, "medium");
       } else if (this->connection_type_ != espbt::ConnectionType::V3_WITH_CACHE) {
 #ifdef USE_ESP32_BLE_DEVICE
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
         for (auto &svc : this->services_) {
-          ESP_LOGV(TAG, "[%d] [%s] Service UUID: %s", this->connection_index_, this->address_str_,
-                   svc->uuid.to_string().c_str());
+          char uuid_buf[espbt::UUID_STR_LEN];
+          svc->uuid.to_str(uuid_buf);
+          ESP_LOGV(TAG, "[%d] [%s] Service UUID: %s", this->connection_index_, this->address_str_, uuid_buf);
           ESP_LOGV(TAG, "[%d] [%s]  start_handle: 0x%x  end_handle: 0x%x", this->connection_index_, this->address_str_,
                    svc->start_handle, svc->end_handle);
         }
+#endif
 #endif
       }
       ESP_LOGI(TAG, "[%d] [%s] Service discovery complete", this->connection_index_, this->address_str_);

esphome/components/esp32_ble_client/ble_service.cpp

@@ -64,9 +64,12 @@ void BLEService::parse_characteristics() {
     characteristic->handle = result.char_handle;
     characteristic->service = this;
     this->characteristics.push_back(characteristic);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+    char uuid_buf[espbt::UUID_STR_LEN];
+    characteristic->uuid.to_str(uuid_buf);
     ESP_LOGV(TAG, "[%d] [%s]  characteristic %s, handle 0x%x, properties 0x%x", this->client->get_connection_index(),
-             this->client->address_str(), characteristic->uuid.to_string().c_str(), characteristic->handle,
-             characteristic->properties);
+             this->client->address_str(), uuid_buf, characteristic->handle, characteristic->properties);
+#endif
     offset++;
   }
 }

esphome/components/esp32_ble_server/ble_characteristic.cpp

@@ -109,7 +109,11 @@ void BLECharacteristic::do_create(BLEService *service) {
   esp_attr_control_t control;
   control.auto_rsp = ESP_GATT_RSP_BY_APP;
 
-  ESP_LOGV(TAG, "Creating characteristic - %s", this->uuid_.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  this->uuid_.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating characteristic - %s", uuid_buf);
+#endif
 
   esp_bt_uuid_t uuid = this->uuid_.get_uuid();
   esp_err_t err = esp_ble_gatts_add_char(service->get_handle(), &uuid, static_cast<esp_gatt_perm_t>(this->permissions_),

esphome/components/esp32_ble_server/ble_descriptor.cpp

@@ -34,7 +34,11 @@ void BLEDescriptor::do_create(BLECharacteristic *characteristic) {
   esp_attr_control_t control;
   control.auto_rsp = ESP_GATT_AUTO_RSP;
 
-  ESP_LOGV(TAG, "Creating descriptor - %s", this->uuid_.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  this->uuid_.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating descriptor - %s", uuid_buf);
+#endif
   esp_bt_uuid_t uuid = this->uuid_.get_uuid();
   esp_err_t err = esp_ble_gatts_add_char_descr(this->characteristic_->get_service()->get_handle(), &uuid,
                                                this->permissions_, &this->value_, &control);

esphome/components/esp32_ble_server/ble_server.cpp

@@ -106,7 +106,11 @@ void BLEServer::restart_advertising_() {
 }
 
 BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t num_handles) {
-  ESP_LOGV(TAG, "Creating BLE service - %s", uuid.to_string().c_str());
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Creating BLE service - %s", uuid_buf);
+#endif
   // Calculate the inst_id for the service
   uint8_t inst_id = 0;
   for (; inst_id < 0xFF; inst_id++) {
@@ -115,7 +119,9 @@ BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t n
     }
   }
   if (inst_id == 0xFF) {
-    ESP_LOGW(TAG, "Could not create BLE service %s, too many instances", uuid.to_string().c_str());
+    char warn_uuid_buf[esp32_ble::UUID_STR_LEN];
+    uuid.to_str(warn_uuid_buf);
+    ESP_LOGW(TAG, "Could not create BLE service %s, too many instances", warn_uuid_buf);
     return nullptr;
   }
   BLEService *service =  // NOLINT(cppcoreguidelines-owning-memory)
@@ -128,7 +134,11 @@ BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t n
 }
 
 void BLEServer::remove_service(ESPBTUUID uuid, uint8_t inst_id) {
-  ESP_LOGV(TAG, "Removing BLE service - %s %d", uuid.to_string().c_str(), inst_id);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  char uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(uuid_buf);
+  ESP_LOGV(TAG, "Removing BLE service - %s %d", uuid_buf, inst_id);
+#endif
   for (auto it = this->services_.begin(); it != this->services_.end(); ++it) {
     if (it->uuid == uuid && it->inst_id == inst_id) {
       it->service->do_delete();
@@ -137,7 +147,9 @@ void BLEServer::remove_service(ESPBTUUID uuid, uint8_t inst_id) {
       return;
     }
   }
-  ESP_LOGW(TAG, "BLE service %s %d does not exist", uuid.to_string().c_str(), inst_id);
+  char warn_uuid_buf[esp32_ble::UUID_STR_LEN];
+  uuid.to_str(warn_uuid_buf);
+  ESP_LOGW(TAG, "BLE service %s %d does not exist", warn_uuid_buf, inst_id);
 }
 
 BLEService *BLEServer::get_service(ESPBTUUID uuid, uint8_t inst_id) {

esphome/components/esp32_ble_tracker/__init__.py

@@ -5,7 +5,7 @@ import logging
 
 from esphome import automation
 import esphome.codegen as cg
-from esphome.components import esp32_ble
+from esphome.components import esp32_ble, ota
 from esphome.components.esp32 import add_idf_sdkconfig_option
 from esphome.components.esp32_ble import (
     IDF_MAX_CONNECTIONS,
@@ -328,7 +328,7 @@ async def to_code(config):
     # Note: CONFIG_BT_ACL_CONNECTIONS and CONFIG_BTDM_CTRL_BLE_MAX_CONN are now
     # configured in esp32_ble component based on max_connections setting
 
-    cg.add_define("USE_OTA_STATE_CALLBACK")  # To be notified when an OTA update starts
+    ota.request_ota_state_listeners()  # To be notified when an OTA update starts
     cg.add_define("USE_ESP32_BLE_CLIENT")
 
     CORE.add_job(_add_ble_features)

esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp

@@ -71,21 +71,24 @@ void ESP32BLETracker::setup() {
 
   global_esp32_ble_tracker = this;
 
-#ifdef USE_OTA
-  ota::get_global_ota_callback()->add_on_state_callback(
-      [this](ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
-        if (state == ota::OTA_STARTED) {
-          this->stop_scan();
-#ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
-          for (auto *client : this->clients_) {
-            client->disconnect();
-          }
-#endif
-        }
-      });
+#ifdef USE_OTA_STATE_LISTENER
+  ota::get_global_ota_callback()->add_global_state_listener(this);
 #endif
 }
 
+#ifdef USE_OTA_STATE_LISTENER
+void ESP32BLETracker::on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) {
+  if (state == ota::OTA_STARTED) {
+    this->stop_scan();
+#ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
+    for (auto *client : this->clients_) {
+      client->disconnect();
+    }
+#endif
+  }
+}
+#endif
+
 void ESP32BLETracker::loop() {
   if (!this->parent_->is_active()) {
     this->ble_was_disabled_ = true;
@@ -185,7 +188,10 @@ void ESP32BLETracker::ble_before_disabled_event_handler() { this->stop_scan_();
 
 void ESP32BLETracker::stop_scan_() {
   if (this->scanner_state_ != ScannerState::RUNNING && this->scanner_state_ != ScannerState::FAILED) {
-    ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    // If scanner is already idle, there's nothing to stop - this is not an error
+    if (this->scanner_state_ != ScannerState::IDLE) {
+      ESP_LOGE(TAG, "Cannot stop scan: %s", this->scanner_state_to_string_(this->scanner_state_));
+    }
     return;
   }
   // Reset timeout state machine when stopping scan
@@ -435,24 +441,31 @@ void ESPBTDevice::parse_scan_rst(const BLEScanResult &scan_result) {
     ESP_LOGVV(TAG, "  Ad Flag: %u", *this->ad_flag_);
   }
   for (auto &uuid : this->service_uuids_) {
-    ESP_LOGVV(TAG, "  Service UUID: %s", uuid.to_string().c_str());
+    char uuid_buf[esp32_ble::UUID_STR_LEN];
+    uuid.to_str(uuid_buf);
+    ESP_LOGVV(TAG, "  Service UUID: %s", uuid_buf);
   }
   for (auto &data : this->manufacturer_datas_) {
     auto ibeacon = ESPBLEiBeacon::from_manufacturer_data(data);
     if (ibeacon.has_value()) {
       ESP_LOGVV(TAG, "  Manufacturer iBeacon:");
-      ESP_LOGVV(TAG, "    UUID: %s", ibeacon.value().get_uuid().to_string().c_str());
+      char uuid_buf[esp32_ble::UUID_STR_LEN];
+      ibeacon.value().get_uuid().to_str(uuid_buf);
+      ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
       ESP_LOGVV(TAG, "    Major: %u", ibeacon.value().get_major());
       ESP_LOGVV(TAG, "    Minor: %u", ibeacon.value().get_minor());
       ESP_LOGVV(TAG, "    TXPower: %d", ibeacon.value().get_signal_power());
     } else {
-      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", data.uuid.to_string().c_str(),
-                format_hex_pretty(data.data).c_str());
+      char uuid_buf[esp32_ble::UUID_STR_LEN];
+      data.uuid.to_str(uuid_buf);
+      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", uuid_buf, format_hex_pretty(data.data).c_str());
     }
   }
   for (auto &data : this->service_datas_) {
     ESP_LOGVV(TAG, "  Service data:");
-    ESP_LOGVV(TAG, "    UUID: %s", data.uuid.to_string().c_str());
+    char uuid_buf[esp32_ble::UUID_STR_LEN];
+    data.uuid.to_str(uuid_buf);
+    ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
     ESP_LOGVV(TAG, "    Data: %s", format_hex_pretty(data.data).c_str());
   }
 

esphome/components/esp32_ble_tracker/esp32_ble_tracker.h

@@ -22,6 +22,10 @@
 #include "esphome/components/esp32_ble/ble_uuid.h"
 #include "esphome/components/esp32_ble/ble_scan_result.h"
 
+#ifdef USE_OTA_STATE_LISTENER
+#include "esphome/components/ota/ota_backend.h"
+#endif
+
 namespace esphome::esp32_ble_tracker {
 
 using namespace esp32_ble;
@@ -241,6 +245,9 @@ class ESP32BLETracker : public Component,
                         public GAPScanEventHandler,
                         public GATTcEventHandler,
                         public BLEStatusEventHandler,
+#ifdef USE_OTA_STATE_LISTENER
+                        public ota::OTAGlobalStateListener,
+#endif
                         public Parented<ESP32BLE> {
  public:
   void set_scan_duration(uint32_t scan_duration) { scan_duration_ = scan_duration; }
@@ -274,6 +281,10 @@ class ESP32BLETracker : public Component,
   void gap_scan_event_handler(const BLEScanResult &scan_result) override;
   void ble_before_disabled_event_handler() override;
 
+#ifdef USE_OTA_STATE_LISTENER
+  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
+#endif
+
   /// Add a listener for scanner state changes
   void add_scanner_state_listener(BLEScannerStateListener *listener) {
     this->scanner_state_listeners_.push_back(listener);

esphome/components/esp32_camera/__init__.py

@@ -3,7 +3,7 @@ import logging
 from esphome import automation, pins
 import esphome.codegen as cg
 from esphome.components import i2c
-from esphome.components.esp32 import add_idf_component
+from esphome.components.esp32 import add_idf_component, add_idf_sdkconfig_option
 from esphome.components.psram import DOMAIN as psram_domain
 import esphome.config_validation as cv
 from esphome.const import (
@@ -186,7 +186,7 @@ CONFIG_SCHEMA = cv.All(
                 {
                     cv.Required(CONF_PIN): pins.internal_gpio_input_pin_number,
                     cv.Optional(CONF_FREQUENCY, default="20MHz"): cv.All(
-                        cv.frequency, cv.Range(min=8e6, max=20e6)
+                        cv.frequency, cv.float_range(min=8e6, max=20e6)
                     ),
                 }
             ),
@@ -352,6 +352,8 @@ async def to_code(config):
     cg.add_define("USE_CAMERA")
 
     add_idf_component(name="espressif/esp32-camera", ref="2.1.1")
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_NEW", True)
+    add_idf_sdkconfig_option("CONFIG_SCCB_HARDWARE_I2C_DRIVER_LEGACY", False)
 
     for conf in config.get(CONF_ON_STREAM_START, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)

esphome/components/esp32_camera/esp32_camera.cpp

@@ -11,6 +11,9 @@ namespace esphome {
 namespace esp32_camera {
 
 static const char *const TAG = "esp32_camera";
+#if ESPHOME_LOG_LEVEL < ESPHOME_LOG_LEVEL_VERBOSE
+static constexpr uint32_t FRAME_LOG_INTERVAL_MS = 60000;
+#endif
 
 /* ---------------- public API (derivated) ---------------- */
 void ESP32Camera::setup() {
@@ -204,7 +207,20 @@ void ESP32Camera::loop() {
   }
   this->current_image_ = std::make_shared<ESP32CameraImage>(fb, this->single_requesters_ | this->stream_requesters_);
 
-  ESP_LOGD(TAG, "Got Image: len=%u", fb->len);
+#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
+  ESP_LOGV(TAG, "Got Image: len=%u", fb->len);
+#else
+  // Initialize log time on first frame to ensure accurate interval measurement
+  if (this->frame_count_ == 0) {
+    this->last_log_time_ = now;
+  }
+  this->frame_count_++;
+  if (now - this->last_log_time_ >= FRAME_LOG_INTERVAL_MS) {
+    ESP_LOGD(TAG, "Received %u images in last %us", this->frame_count_, FRAME_LOG_INTERVAL_MS / 1000);
+    this->last_log_time_ = now;
+    this->frame_count_ = 0;
+  }
+#endif
   for (auto *listener : this->listeners_) {
     listener->on_camera_image(this->current_image_);
   }

esphome/components/esp32_camera/esp32_camera.h

@@ -213,6 +213,10 @@ class ESP32Camera : public camera::Camera {
 
   uint32_t last_idle_request_{0};
   uint32_t last_update_{0};
+#if ESPHOME_LOG_LEVEL < ESPHOME_LOG_LEVEL_VERBOSE
+  uint32_t last_log_time_{0};
+  uint16_t frame_count_{0};
+#endif
 #ifdef USE_I2C
   i2c::InternalI2CBus *i2c_bus_{nullptr};
 #endif  // USE_I2C

esphome/components/esp8266_pwm/output.py

@@ -16,7 +16,7 @@ def valid_pwm_pin(value):
 esp8266_pwm_ns = cg.esphome_ns.namespace("esp8266_pwm")
 ESP8266PWM = esp8266_pwm_ns.class_("ESP8266PWM", output.FloatOutput, cg.Component)
 SetFrequencyAction = esp8266_pwm_ns.class_("SetFrequencyAction", automation.Action)
-validate_frequency = cv.All(cv.frequency, cv.Range(min=1.0e-6))
+validate_frequency = cv.All(cv.frequency, cv.float_range(min=1.0e-6))
 
 CONFIG_SCHEMA = cv.All(
     output.FLOAT_OUTPUT_SCHEMA.extend(

esphome/components/esphome/ota/ota_esphome.cpp

@@ -41,10 +41,6 @@ static constexpr size_t SHA256_HEX_SIZE = 64;  // SHA256 hash as hex string (32
 #endif  // USE_OTA_PASSWORD
 
 void ESPHomeOTAComponent::setup() {
-#ifdef USE_OTA_STATE_CALLBACK
-  ota::register_ota_platform(this);
-#endif
-
   this->server_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0);  // monitored for incoming connections
   if (this->server_ == nullptr) {
     this->log_socket_error_(LOG_STR("creation"));
@@ -297,8 +293,8 @@ void ESPHomeOTAComponent::handle_data_() {
   // accidentally trigger the update process.
   this->log_start_(LOG_STR("update"));
   this->status_set_warning();
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_STARTED, 0.0f, 0);
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_STARTED, 0.0f, 0);
 #endif
 
   // This will block for a few seconds as it locks flash
@@ -357,8 +353,8 @@ void ESPHomeOTAComponent::handle_data_() {
       last_progress = now;
       float percentage = (total * 100.0f) / ota_size;
       ESP_LOGD(TAG, "Progress: %0.1f%%", percentage);
-#ifdef USE_OTA_STATE_CALLBACK
-      this->state_callback_.call(ota::OTA_IN_PROGRESS, percentage, 0);
+#ifdef USE_OTA_STATE_LISTENER
+      this->notify_state_(ota::OTA_IN_PROGRESS, percentage, 0);
 #endif
       // feed watchdog and give other tasks a chance to run
       this->yield_and_feed_watchdog_();
@@ -387,8 +383,8 @@ void ESPHomeOTAComponent::handle_data_() {
   delay(10);
   ESP_LOGI(TAG, "Update complete");
   this->status_clear_warning();
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_COMPLETED, 100.0f, 0);
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_COMPLETED, 100.0f, 0);
 #endif
   delay(100);  // NOLINT
   App.safe_reboot();
@@ -402,8 +398,8 @@ error:
   }
 
   this->status_momentary_error("err", 5000);
-#ifdef USE_OTA_STATE_CALLBACK
-  this->state_callback_.call(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
+#ifdef USE_OTA_STATE_LISTENER
+  this->notify_state_(ota::OTA_ERROR, 0.0f, static_cast<uint8_t>(error_code));
 #endif
 }
 

esphome/components/esphome/ota/ota_esphome.h

@@ -80,6 +80,7 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
 
 #ifdef USE_OTA_PASSWORD
   std::string password_;
+  std::unique_ptr<uint8_t[]> auth_buf_;
 #endif  // USE_OTA_PASSWORD
 
   std::unique_ptr<socket::Socket> server_;
@@ -93,7 +94,6 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
   uint8_t handshake_buf_pos_{0};
   uint8_t ota_features_{0};
 #ifdef USE_OTA_PASSWORD
-  std::unique_ptr<uint8_t[]> auth_buf_;
   uint8_t auth_buf_pos_{0};
   uint8_t auth_type_{0};  // Store auth type to know which hasher to use
 #endif                    // USE_OTA_PASSWORD

esphome/components/espnow/packet_transport/espnow_transport.cpp

@@ -13,7 +13,7 @@ static const char *const TAG = "espnow.transport";
 bool ESPNowTransport::should_send() { return this->parent_ != nullptr && !this->parent_->is_failed(); }
 
 void ESPNowTransport::setup() {
-  packet_transport::PacketTransport::setup();
+  PacketTransport::setup();
 
   if (this->parent_ == nullptr) {
     ESP_LOGE(TAG, "ESPNow component not set");
@@ -26,15 +26,10 @@ void ESPNowTransport::setup() {
            this->peer_address_[2], this->peer_address_[3], this->peer_address_[4], this->peer_address_[5]);
 
   // Register received handler
-  this->parent_->register_received_handler(static_cast<ESPNowReceivedPacketHandler *>(this));
+  this->parent_->register_received_handler(this);
 
   // Register broadcasted handler
-  this->parent_->register_broadcasted_handler(static_cast<ESPNowBroadcastedHandler *>(this));
-}
-
-void ESPNowTransport::update() {
-  packet_transport::PacketTransport::update();
-  this->updated_ = true;
+  this->parent_->register_broadcasted_handler(this);
 }
 
 void ESPNowTransport::send_packet(const std::vector<uint8_t> &buf) const {

esphome/components/espnow/packet_transport/espnow_transport.h

@@ -18,7 +18,6 @@ class ESPNowTransport : public packet_transport::PacketTransport,
                         public ESPNowBroadcastedHandler {
  public:
   void setup() override;
-  void update() override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
   void set_peer_address(peer_address_t address) {

esphome/components/ethernet/__init__.py

@@ -434,10 +434,13 @@ def _final_validate_rmii_pins(config: ConfigType) -> None:
 
     # Check all used pins against RMII reserved pins
     for pin_list in pins.PIN_SCHEMA_REGISTRY.pins_used.values():
-        for pin_path, _, pin_config in pin_list:
+        for pin_path, pin_device, pin_config in pin_list:
             pin_num = pin_config.get(CONF_NUMBER)
             if pin_num not in rmii_pins:
                 continue
+            # Skip if pin is not directly on ESP, but at some expander (device set to something else than 'None')
+            if pin_device is not None:
+                continue
             # Found a conflict - show helpful error message
             pin_function = rmii_pins[pin_num]
             component_path = ".".join(str(p) for p in pin_path)

esphome/components/event/event.h

@@ -50,7 +50,7 @@ class Event : public EntityBase, public EntityBase_DeviceClass {
   void add_on_event_callback(std::function<void(const std::string &event_type)> &&callback);
 
  protected:
-  CallbackManager<void(const std::string &event_type)> event_callback_;
+  LazyCallbackManager<void(const std::string &event_type)> event_callback_;
   FixedVector<const char *> types_;
 
  private:

esphome/components/factory_reset/__init__.py

@@ -50,7 +50,9 @@ CONFIG_SCHEMA = cv.All(
             cv.GenerateID(): cv.declare_id(FactoryResetComponent),
             cv.Optional(CONF_MAX_DELAY, default="10s"): cv.All(
                 cv.positive_time_period_seconds,
-                cv.Range(min=cv.TimePeriod(milliseconds=1000)),
+                cv.Range(
+                    min=cv.TimePeriod(seconds=1), max=cv.TimePeriod(seconds=65535)
+                ),
             ),
             cv.Optional(CONF_RESETS_REQUIRED): cv.positive_not_null_int,
             cv.Optional(CONF_ON_INCREMENT): validate_automation(
@@ -82,7 +84,7 @@ async def to_code(config):
         var = cg.new_Pvariable(
             config[CONF_ID],
             reset_count,
-            config[CONF_MAX_DELAY].total_milliseconds,
+            config[CONF_MAX_DELAY].total_seconds,
         )
         await cg.register_component(var, config)
         for conf in config.get(CONF_ON_INCREMENT, []):

esphome/components/factory_reset/factory_reset.cpp

@@ -8,8 +8,7 @@
 
 #if !defined(USE_RP2040) && !defined(USE_HOST)
 
-namespace esphome {
-namespace factory_reset {
+namespace esphome::factory_reset {
 
 static const char *const TAG = "factory_reset";
 static const uint32_t POWER_CYCLES_KEY = 0xFA5C0DE;
@@ -33,10 +32,10 @@ void FactoryResetComponent::dump_config() {
   this->flash_.load(&count);
   ESP_LOGCONFIG(TAG, "Factory Reset by Reset:");
   ESP_LOGCONFIG(TAG,
-                "  Max interval between resets %" PRIu32 " seconds\n"
+                "  Max interval between resets: %u seconds\n"
                 "  Current count: %u\n"
                 "  Factory reset after %u resets",
-                this->max_interval_ / 1000, count, this->required_count_);
+                this->max_interval_, count, this->required_count_);
 }
 
 void FactoryResetComponent::save_(uint8_t count) {
@@ -61,8 +60,8 @@ void FactoryResetComponent::setup() {
     }
     this->save_(count);
     ESP_LOGD(TAG, "Power on reset detected, incremented count to %u", count);
-    this->set_timeout(this->max_interval_, [this]() {
-      ESP_LOGD(TAG, "No reset in the last %" PRIu32 " seconds, resetting count", this->max_interval_ / 1000);
+    this->set_timeout(static_cast<uint32_t>(this->max_interval_) * 1000, [this]() {
+      ESP_LOGD(TAG, "No reset in the last %u seconds, resetting count", this->max_interval_);
       this->save_(0);  // reset count
     });
   } else {
@@ -70,7 +69,6 @@ void FactoryResetComponent::setup() {
   }
 }
 
-}  // namespace factory_reset
-}  // namespace esphome
+}  // namespace esphome::factory_reset
 
 #endif  // !defined(USE_RP2040) && !defined(USE_HOST)

esphome/components/factory_reset/factory_reset.h

@@ -9,12 +9,11 @@
 #include <esp_system.h>
 #endif
 
-namespace esphome {
-namespace factory_reset {
+namespace esphome::factory_reset {
 class FactoryResetComponent : public Component {
  public:
-  FactoryResetComponent(uint8_t required_count, uint32_t max_interval)
-      : required_count_(required_count), max_interval_(max_interval) {}
+  FactoryResetComponent(uint8_t required_count, uint16_t max_interval)
+      : max_interval_(max_interval), required_count_(required_count) {}
 
   void dump_config() override;
   void setup() override;
@@ -26,9 +25,9 @@ class FactoryResetComponent : public Component {
   ~FactoryResetComponent() = default;
   void save_(uint8_t count);
   ESPPreferenceObject flash_{};  // saves the number of fast power cycles
-  uint8_t required_count_;       // The number of boot attempts before fast boot is enabled
-  uint32_t max_interval_;        // max interval between power cycles
   CallbackManager<void(uint8_t, uint8_t)> increment_callback_{};
+  uint16_t max_interval_;   // max interval between power cycles in seconds
+  uint8_t required_count_;  // The number of boot attempts before fast boot is enabled
 };
 
 class FastBootTrigger : public Trigger<uint8_t, uint8_t> {
@@ -37,7 +36,6 @@ class FastBootTrigger : public Trigger<uint8_t, uint8_t> {
     parent->add_increment_callback([this](uint8_t current, uint8_t target) { this->trigger(current, target); });
   }
 };
-}  // namespace factory_reset
-}  // namespace esphome
+}  // namespace esphome::factory_reset
 
 #endif  // !defined(USE_RP2040) && !defined(USE_HOST)

esphome/components/fan/fan.cpp

@@ -19,22 +19,28 @@ const LogString *fan_direction_to_string(FanDirection direction) {
   }
 }
 
-FanCall &FanCall::set_preset_mode(const std::string &preset_mode) { return this->set_preset_mode(preset_mode.c_str()); }
+FanCall &FanCall::set_preset_mode(const std::string &preset_mode) {
+  return this->set_preset_mode(preset_mode.data(), preset_mode.size());
+}
 
 FanCall &FanCall::set_preset_mode(const char *preset_mode) {
-  if (preset_mode == nullptr || strlen(preset_mode) == 0) {
+  return this->set_preset_mode(preset_mode, preset_mode ? strlen(preset_mode) : 0);
+}
+
+FanCall &FanCall::set_preset_mode(const char *preset_mode, size_t len) {
+  if (preset_mode == nullptr || len == 0) {
     this->preset_mode_ = nullptr;
     return *this;
   }
 
   // Find and validate pointer from traits immediately
   auto traits = this->parent_.get_traits();
-  const char *validated_mode = traits.find_preset_mode(preset_mode);
+  const char *validated_mode = traits.find_preset_mode(preset_mode, len);
   if (validated_mode != nullptr) {
     this->preset_mode_ = validated_mode;  // Store pointer from traits
   } else {
     // Preset mode not found in traits - log warning and don't set
-    ESP_LOGW(TAG, "%s: Preset mode '%s' not supported", this->parent_.get_name().c_str(), preset_mode);
+    ESP_LOGW(TAG, "%s: Preset mode '%.*s' not supported", this->parent_.get_name().c_str(), (int) len, preset_mode);
     this->preset_mode_ = nullptr;
   }
   return *this;
@@ -140,7 +146,13 @@ FanCall Fan::turn_off() { return this->make_call().set_state(false); }
 FanCall Fan::toggle() { return this->make_call().set_state(!this->state); }
 FanCall Fan::make_call() { return FanCall(*this); }
 
-const char *Fan::find_preset_mode_(const char *preset_mode) { return this->get_traits().find_preset_mode(preset_mode); }
+const char *Fan::find_preset_mode_(const char *preset_mode) {
+  return this->find_preset_mode_(preset_mode, preset_mode ? strlen(preset_mode) : 0);
+}
+
+const char *Fan::find_preset_mode_(const char *preset_mode, size_t len) {
+  return this->get_traits().find_preset_mode(preset_mode, len);
+}
 
 bool Fan::set_preset_mode_(const char *preset_mode) {
   if (preset_mode == nullptr) {

esphome/components/fan/fan.h

@@ -72,6 +72,7 @@ class FanCall {
   optional<FanDirection> get_direction() const { return this->direction_; }
   FanCall &set_preset_mode(const std::string &preset_mode);
   FanCall &set_preset_mode(const char *preset_mode);
+  FanCall &set_preset_mode(const char *preset_mode, size_t len);
   const char *get_preset_mode() const { return this->preset_mode_; }
   bool has_preset_mode() const { return this->preset_mode_ != nullptr; }
 
@@ -152,8 +153,9 @@ class Fan : public EntityBase {
   void clear_preset_mode_();
   /// Find and return the matching preset mode pointer from traits, or nullptr if not found.
   const char *find_preset_mode_(const char *preset_mode);
+  const char *find_preset_mode_(const char *preset_mode, size_t len);
 
-  CallbackManager<void()> state_callback_{};
+  LazyCallbackManager<void()> state_callback_{};
   ESPPreferenceObject rtc_;
   FanRestoreMode restore_mode_;
 

esphome/components/fan/fan_traits.h

@@ -47,10 +47,13 @@ class FanTraits {
   bool supports_preset_modes() const { return !this->preset_modes_.empty(); }
   /// Find and return the matching preset mode pointer from supported modes, or nullptr if not found.
   const char *find_preset_mode(const char *preset_mode) const {
-    if (preset_mode == nullptr)
+    return this->find_preset_mode(preset_mode, preset_mode ? strlen(preset_mode) : 0);
+  }
+  const char *find_preset_mode(const char *preset_mode, size_t len) const {
+    if (preset_mode == nullptr || len == 0)
       return nullptr;
     for (const char *mode : this->preset_modes_) {
-      if (strcmp(mode, preset_mode) == 0) {
+      if (strncmp(mode, preset_mode, len) == 0 && mode[len] == '\0') {
         return mode;  // Return pointer from traits
       }
     }

esphome/components/hm3301/hm3301.cpp

@@ -63,7 +63,7 @@ void HM3301Component::update() {
 
   int16_t aqi_value = -1;
   if (this->aqi_sensor_ != nullptr && pm_2_5_value != -1 && pm_10_0_value != -1) {
-    AbstractAQICalculator *calculator = this->aqi_calculator_factory_.get_calculator(this->aqi_calc_type_);
+    aqi::AbstractAQICalculator *calculator = this->aqi_calculator_factory_.get_calculator(this->aqi_calc_type_);
     aqi_value = calculator->get_aqi(pm_2_5_value, pm_10_0_value);
   }
 

esphome/components/hm3301/hm3301.h

@@ -3,7 +3,7 @@
 #include "esphome/core/component.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/i2c/i2c.h"
-#include "aqi_calculator_factory.h"
+#include "esphome/components/aqi/aqi_calculator_factory.h"
 
 namespace esphome {
 namespace hm3301 {
@@ -19,7 +19,7 @@ class HM3301Component : public PollingComponent, public i2c::I2CDevice {
   void set_pm_10_0_sensor(sensor::Sensor *pm_10_0_sensor) { pm_10_0_sensor_ = pm_10_0_sensor; }
   void set_aqi_sensor(sensor::Sensor *aqi_sensor) { aqi_sensor_ = aqi_sensor; }
 
-  void set_aqi_calculation_type(AQICalculatorType aqi_calc_type) { aqi_calc_type_ = aqi_calc_type; }
+  void set_aqi_calculation_type(aqi::AQICalculatorType aqi_calc_type) { aqi_calc_type_ = aqi_calc_type; }
 
   void setup() override;
   void dump_config() override;
@@ -41,8 +41,8 @@ class HM3301Component : public PollingComponent, public i2c::I2CDevice {
   sensor::Sensor *pm_10_0_sensor_{nullptr};
   sensor::Sensor *aqi_sensor_{nullptr};
 
-  AQICalculatorType aqi_calc_type_;
-  AQICalculatorFactory aqi_calculator_factory_ = AQICalculatorFactory();
+  aqi::AQICalculatorType aqi_calc_type_;
+  aqi::AQICalculatorFactory aqi_calculator_factory_ = aqi::AQICalculatorFactory();
 
   bool validate_checksum_(const uint8_t *data);
   uint16_t get_sensor_value_(const uint8_t *data, uint8_t i);

esphome/components/hm3301/sensor.py

@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 from esphome.components import i2c, sensor
+from esphome.components.aqi import AQI_CALCULATION_TYPE, CONF_AQI, CONF_CALCULATION_TYPE
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ID,
@@ -16,23 +17,16 @@ from esphome.const import (
 )
 
 DEPENDENCIES = ["i2c"]
+AUTO_LOAD = ["aqi"]
 CODEOWNERS = ["@freekode"]
 
 hm3301_ns = cg.esphome_ns.namespace("hm3301")
 HM3301Component = hm3301_ns.class_(
     "HM3301Component", cg.PollingComponent, i2c.I2CDevice
 )
-AQICalculatorType = hm3301_ns.enum("AQICalculatorType")
 
-CONF_AQI = "aqi"
-CONF_CALCULATION_TYPE = "calculation_type"
 UNIT_INDEX = "index"
 
-AQI_CALCULATION_TYPE = {
-    "CAQI": AQICalculatorType.CAQI_TYPE,
-    "AQI": AQICalculatorType.AQI_TYPE,
-}
-
 
 def _validate(config):
     if CONF_AQI in config and CONF_PM_2_5 not in config:

esphome/components/hmac_sha256/__init__.py

@@ -0,0 +1,6 @@
+import esphome.config_validation as cv
+
+AUTO_LOAD = ["sha256"]
+CODEOWNERS = ["@dwmw2"]
+
+CONFIG_SCHEMA = cv.Schema({})

esphome/components/hmac_sha256/hmac_sha256.cpp

@@ -0,0 +1,102 @@
+#include <cstdio>
+#include <cstring>
+#include "hmac_sha256.h"
+#if defined(USE_ESP32) || defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY) || defined(USE_HOST)
+#include "esphome/core/helpers.h"
+
+namespace esphome::hmac_sha256 {
+
+constexpr size_t SHA256_DIGEST_SIZE = 32;
+
+#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+
+HmacSHA256::~HmacSHA256() { mbedtls_md_free(&this->ctx_); }
+
+void HmacSHA256::init(const uint8_t *key, size_t len) {
+  mbedtls_md_init(&this->ctx_);
+  const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
+  mbedtls_md_setup(&this->ctx_, md_info, 1);  // 1 = HMAC mode
+  mbedtls_md_hmac_starts(&this->ctx_, key, len);
+}
+
+void HmacSHA256::add(const uint8_t *data, size_t len) { mbedtls_md_hmac_update(&this->ctx_, data, len); }
+
+void HmacSHA256::calculate() { mbedtls_md_hmac_finish(&this->ctx_, this->digest_); }
+
+void HmacSHA256::get_bytes(uint8_t *output) { memcpy(output, this->digest_, SHA256_DIGEST_SIZE); }
+
+void HmacSHA256::get_hex(char *output) {
+  for (size_t i = 0; i < SHA256_DIGEST_SIZE; i++) {
+    sprintf(output + (i * 2), "%02x", this->digest_[i]);
+  }
+}
+
+bool HmacSHA256::equals_bytes(const uint8_t *expected) {
+  return memcmp(this->digest_, expected, SHA256_DIGEST_SIZE) == 0;
+}
+
+bool HmacSHA256::equals_hex(const char *expected) {
+  char hex_output[SHA256_DIGEST_SIZE * 2 + 1];
+  this->get_hex(hex_output);
+  hex_output[SHA256_DIGEST_SIZE * 2] = '\0';
+  return strncmp(hex_output, expected, SHA256_DIGEST_SIZE * 2) == 0;
+}
+
+#else
+
+HmacSHA256::~HmacSHA256() = default;
+
+// HMAC block size for SHA256 (RFC 2104)
+constexpr size_t HMAC_BLOCK_SIZE = 64;
+
+void HmacSHA256::init(const uint8_t *key, size_t len) {
+  uint8_t ipad[HMAC_BLOCK_SIZE], opad[HMAC_BLOCK_SIZE];
+
+  memset(ipad, 0, sizeof(ipad));
+  if (len > HMAC_BLOCK_SIZE) {
+    sha256::SHA256 keysha256;
+    keysha256.init();
+    keysha256.add(key, len);
+    keysha256.calculate();
+    keysha256.get_bytes(ipad);
+  } else {
+    memcpy(ipad, key, len);
+  }
+  memcpy(opad, ipad, sizeof(opad));
+
+  for (size_t i = 0; i < HMAC_BLOCK_SIZE; i++) {
+    ipad[i] ^= 0x36;
+    opad[i] ^= 0x5c;
+  }
+
+  this->ihash_.init();
+  this->ihash_.add(ipad, sizeof(ipad));
+
+  this->ohash_.init();
+  this->ohash_.add(opad, sizeof(opad));
+}
+
+void HmacSHA256::add(const uint8_t *data, size_t len) { this->ihash_.add(data, len); }
+
+void HmacSHA256::calculate() {
+  uint8_t ibytes[32];
+
+  this->ihash_.calculate();
+  this->ihash_.get_bytes(ibytes);
+
+  this->ohash_.add(ibytes, sizeof(ibytes));
+  this->ohash_.calculate();
+}
+
+void HmacSHA256::get_bytes(uint8_t *output) { this->ohash_.get_bytes(output); }
+
+void HmacSHA256::get_hex(char *output) { this->ohash_.get_hex(output); }
+
+bool HmacSHA256::equals_bytes(const uint8_t *expected) { return this->ohash_.equals_bytes(expected); }
+
+bool HmacSHA256::equals_hex(const char *expected) { return this->ohash_.equals_hex(expected); }
+
+#endif  // USE_ESP32 || USE_LIBRETINY
+
+}  // namespace esphome::hmac_sha256
+#endif

esphome/components/hmac_sha256/hmac_sha256.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include "esphome/core/defines.h"
+#if defined(USE_ESP32) || defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY) || defined(USE_HOST)
+
+#include <string>
+
+#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+#include "mbedtls/md.h"
+#else
+#include "esphome/components/sha256/sha256.h"
+#endif
+
+namespace esphome::hmac_sha256 {
+
+class HmacSHA256 {
+ public:
+  HmacSHA256() = default;
+  ~HmacSHA256();
+
+  /// Initialize a new HMAC-SHA256 digest computation.
+  void init(const uint8_t *key, size_t len);
+  void init(const char *key, size_t len) { this->init((const uint8_t *) key, len); }
+  void init(const std::string &key) { this->init(key.c_str(), key.length()); }
+
+  /// Add bytes of data for the digest.
+  void add(const uint8_t *data, size_t len);
+  void add(const char *data, size_t len) { this->add((const uint8_t *) data, len); }
+
+  /// Compute the digest, based on the provided data.
+  void calculate();
+
+  /// Retrieve the HMAC-SHA256 digest as bytes.
+  /// The output must be able to hold 32 bytes or more.
+  void get_bytes(uint8_t *output);
+
+  /// Retrieve the HMAC-SHA256 digest as hex characters.
+  /// The output must be able to hold 64 bytes or more.
+  void get_hex(char *output);
+
+  /// Compare the digest against a provided byte-encoded digest (32 bytes).
+  bool equals_bytes(const uint8_t *expected);
+
+  /// Compare the digest against a provided hex-encoded digest (64 bytes).
+  bool equals_hex(const char *expected);
+
+ protected:
+#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+  static constexpr size_t SHA256_DIGEST_SIZE = 32;
+  mbedtls_md_context_t ctx_{};
+  uint8_t digest_[SHA256_DIGEST_SIZE]{};
+#else
+  sha256::SHA256 ihash_;
+  sha256::SHA256 ohash_;
+#endif
+};
+
+}  // namespace esphome::hmac_sha256
+#endif

esphome/components/http_request/__init__.py

@@ -69,9 +69,6 @@ def validate_url(value):
 def validate_ssl_verification(config):
     error_message = ""
 
-    if CORE.is_esp32 and not CORE.using_esp_idf and config[CONF_VERIFY_SSL]:
-        error_message = "ESPHome supports certificate verification only via ESP-IDF"
-
     if CORE.is_rp2040 and config[CONF_VERIFY_SSL]:
         error_message = "ESPHome does not support certificate verification on RP2040"
 
@@ -93,9 +90,9 @@ def validate_ssl_verification(config):
 def _declare_request_class(value):
     if CORE.is_host:
         return cv.declare_id(HttpRequestHost)(value)
-    if CORE.using_esp_idf:
+    if CORE.is_esp32:
         return cv.declare_id(HttpRequestIDF)(value)
-    if CORE.is_esp8266 or CORE.is_esp32 or CORE.is_rp2040:
+    if CORE.is_esp8266 or CORE.is_rp2040:
         return cv.declare_id(HttpRequestArduino)(value)
     return NotImplementedError
 
@@ -121,11 +118,11 @@ CONFIG_SCHEMA = cv.All(
                 cv.positive_not_null_time_period,
                 cv.positive_time_period_milliseconds,
             ),
-            cv.SplitDefault(CONF_BUFFER_SIZE_RX, esp32_idf=512): cv.All(
-                cv.uint16_t, cv.only_with_esp_idf
+            cv.SplitDefault(CONF_BUFFER_SIZE_RX, esp32=512): cv.All(
+                cv.uint16_t, cv.only_on_esp32
             ),
-            cv.SplitDefault(CONF_BUFFER_SIZE_TX, esp32_idf=512): cv.All(
-                cv.uint16_t, cv.only_with_esp_idf
+            cv.SplitDefault(CONF_BUFFER_SIZE_TX, esp32=512): cv.All(
+                cv.uint16_t, cv.only_on_esp32
             ),
             cv.Optional(CONF_CA_CERTIFICATE_PATH): cv.All(
                 cv.file_,
@@ -158,25 +155,20 @@ async def to_code(config):
         cg.add(var.set_watchdog_timeout(timeout_ms))
 
     if CORE.is_esp32:
-        if CORE.using_esp_idf:
-            cg.add(var.set_buffer_size_rx(config[CONF_BUFFER_SIZE_RX]))
-            cg.add(var.set_buffer_size_tx(config[CONF_BUFFER_SIZE_TX]))
+        cg.add(var.set_buffer_size_rx(config[CONF_BUFFER_SIZE_RX]))
+        cg.add(var.set_buffer_size_tx(config[CONF_BUFFER_SIZE_TX]))
 
-            esp32.add_idf_sdkconfig_option(
-                "CONFIG_MBEDTLS_CERTIFICATE_BUNDLE",
-                config.get(CONF_VERIFY_SSL),
-            )
-            esp32.add_idf_sdkconfig_option(
-                "CONFIG_ESP_TLS_INSECURE",
-                not config.get(CONF_VERIFY_SSL),
-            )
-            esp32.add_idf_sdkconfig_option(
-                "CONFIG_ESP_TLS_SKIP_SERVER_CERT_VERIFY",
-                not config.get(CONF_VERIFY_SSL),
-            )
-        else:
-            cg.add_library("NetworkClientSecure", None)
-            cg.add_library("HTTPClient", None)
+        if config.get(CONF_VERIFY_SSL):
+            esp32.add_idf_sdkconfig_option("CONFIG_MBEDTLS_CERTIFICATE_BUNDLE", True)
+
+        esp32.add_idf_sdkconfig_option(
+            "CONFIG_ESP_TLS_INSECURE",
+            not config.get(CONF_VERIFY_SSL),
+        )
+        esp32.add_idf_sdkconfig_option(
+            "CONFIG_ESP_TLS_SKIP_SERVER_CERT_VERIFY",
+            not config.get(CONF_VERIFY_SSL),
+        )
     if CORE.is_esp8266:
         cg.add_library("ESP8266HTTPClient", None)
     if CORE.is_rp2040 and CORE.using_arduino:
@@ -327,13 +319,15 @@ FILTER_SOURCE_FILES = filter_source_files_from_platform(
     {
         "http_request_host.cpp": {PlatformFramework.HOST_NATIVE},
         "http_request_arduino.cpp": {
-            PlatformFramework.ESP32_ARDUINO,
             PlatformFramework.ESP8266_ARDUINO,
             PlatformFramework.RP2040_ARDUINO,
             PlatformFramework.BK72XX_ARDUINO,
             PlatformFramework.RTL87XX_ARDUINO,
             PlatformFramework.LN882X_ARDUINO,
         },
-        "http_request_idf.cpp": {PlatformFramework.ESP32_IDF},
+        "http_request_idf.cpp": {
+            PlatformFramework.ESP32_ARDUINO,
+            PlatformFramework.ESP32_IDF,
+        },
     }
 )

esphome/components/http_request/http_request.cpp

@@ -4,8 +4,7 @@
 
 #include <cinttypes>
 
-namespace esphome {
-namespace http_request {
+namespace esphome::http_request {
 
 static const char *const TAG = "http_request";
 
@@ -42,5 +41,4 @@ std::string HttpContainer::get_response_header(const std::string &header_name) {
   }
 }
 
-}  // namespace http_request
-}  // namespace esphome
+}  // namespace esphome::http_request

esphome/components/http_request/http_request.h

@@ -15,8 +15,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace http_request {
+namespace esphome::http_request {
 
 struct Header {
   std::string name;
@@ -255,6 +254,9 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
         size_t read_index = 0;
         while (container->get_bytes_read() < max_length) {
           int read = container->read(buf + read_index, std::min<size_t>(max_length - read_index, 512));
+          if (read <= 0) {
+            break;
+          }
           App.feed_wdt();
           yield();
           read_index += read;
@@ -302,5 +304,4 @@ template<typename... Ts> class HttpRequestSendAction : public Action<Ts...> {
   size_t max_response_buffer_size_{SIZE_MAX};
 };
 
-}  // namespace http_request
-}  // namespace esphome
+}  // namespace esphome::http_request

esphome/components/http_request/http_request_arduino.cpp

@@ -1,6 +1,6 @@
 #include "http_request_arduino.h"
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) && !defined(USE_ESP32)
 
 #include "esphome/components/network/util.h"
 #include "esphome/components/watchdog/watchdog.h"
@@ -9,8 +9,7 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace http_request {
+namespace esphome::http_request {
 
 static const char *const TAG = "http_request.arduino";
 
@@ -75,8 +74,6 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
     container->client_.setInsecure();
   }
   bool status = container->client_.begin(url.c_str());
-#elif defined(USE_ESP32)
-  bool status = container->client_.begin(url.c_str());
 #endif
 
   App.feed_wdt();
@@ -90,9 +87,6 @@ std::shared_ptr<HttpContainer> HttpRequestArduino::perform(const std::string &ur
 
   container->client_.setReuse(true);
   container->client_.setTimeout(this->timeout_);
-#if defined(USE_ESP32)
-  container->client_.setConnectTimeout(this->timeout_);
-#endif
 
   if (this->useragent_ != nullptr) {
     container->client_.setUserAgent(this->useragent_);
@@ -177,7 +171,6 @@ void HttpContainerArduino::end() {
   this->client_.end();
 }
 
-}  // namespace http_request
-}  // namespace esphome
+}  // namespace esphome::http_request
 
-#endif  // USE_ARDUINO
+#endif  // USE_ARDUINO && !USE_ESP32

esphome/components/http_request/http_request_arduino.h

@@ -2,9 +2,9 @@
 
 #include "http_request.h"
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) && !defined(USE_ESP32)
 
-#if defined(USE_ESP32) || defined(USE_RP2040)
+#if defined(USE_RP2040)
 #include <HTTPClient.h>
 #include <WiFiClient.h>
 #endif
@@ -15,8 +15,7 @@
 #endif
 #endif
 
-namespace esphome {
-namespace http_request {
+namespace esphome::http_request {
 
 class HttpRequestArduino;
 class HttpContainerArduino : public HttpContainer {
@@ -36,7 +35,6 @@ class HttpRequestArduino : public HttpRequestComponent {
                                          const std::set<std::string> &collect_headers) override;
 };
 
-}  // namespace http_request
-}  // namespace esphome
+}  // namespace esphome::http_request
 
-#endif  // USE_ARDUINO
+#endif  // USE_ARDUINO && !USE_ESP32

esphome/components/http_request/http_request_host.cpp

@@ -12,8 +12,7 @@
 #include "esphome/core/application.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace http_request {
+namespace esphome::http_request {
 
 static const char *const TAG = "http_request.host";
 
@@ -139,7 +138,6 @@ void HttpContainerHost::end() {
   this->bytes_read_ = 0;
 }
 
-}  // namespace http_request
-}  // namespace esphome
+}  // namespace esphome::http_request
 
 #endif  // USE_HOST