Merge pull request #10665 from esphome/bump-2025.9.0b1

2025.9.0b1

.github/actions/restore-python/action.yml

@@ -17,7 +17,7 @@ runs:
   steps:
     - name: Set up Python ${{ inputs.python-version }}
       id: python
-      uses: actions/setup-python@v5.6.0
+      uses: actions/setup-python@v6.0.0
       with:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment

.github/workflows/auto-label-pr.yml

@@ -32,7 +32,7 @@ jobs:
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
 
       - name: Auto Label PR
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           github-token: ${{ steps.generate-token.outputs.token }}
           script: |

.github/workflows/ci-api-proto.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.11"
 
@@ -47,7 +47,7 @@ jobs:
           fi
       - if: failure()
         name: Review PR
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             await github.rest.pulls.createReview({
@@ -70,7 +70,7 @@ jobs:
             esphome/components/api/api_pb2_service.*
       - if: success()
         name: Dismiss review
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             let reviews = await github.rest.pulls.listReviews({

.github/workflows/ci-clang-tidy-hash.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v5.0.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.11"
 
@@ -41,7 +41,7 @@ jobs:
 
       - if: failure()
         name: Request changes
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             await github.rest.pulls.createReview({
@@ -54,7 +54,7 @@ jobs:
 
       - if: success()
         name: Dismiss review
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             let reviews = await github.rest.pulls.listReviews({

.github/workflows/ci-docker.yml

@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.11"
       - name: Set up Docker Buildx

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
         run: echo key="${{ hashFiles('requirements.txt', 'requirements_test.txt', '.pre-commit-config.yaml') }}" >> $GITHUB_OUTPUT
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment
@@ -156,7 +156,7 @@ jobs:
           . venv/bin/activate
           pytest -vv --cov-report=xml --tb=native -n auto tests --ignore=tests/integration/
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5.5.0
+        uses: codecov/codecov-action@v5.5.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Save Python virtual environment cache
@@ -217,7 +217,7 @@ jobs:
         uses: actions/checkout@v5.0.0
       - name: Set up Python 3.13
         id: python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.13"
       - name: Restore Python virtual environment

.github/workflows/codeowner-review-request.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Request reviews from component codeowners
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             const owner = context.repo.owner;

.github/workflows/external-component-bot.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Add external component comment
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/issue-codeowner-notify.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Notify codeowners for component issues
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             const owner = context.repo.owner;

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.x"
       - name: Build
@@ -70,7 +70,7 @@ jobs:
           pip3 install build
           python3 -m build
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@v1.12.4
+        uses: pypa/gh-action-pypi-publish@v1.13.0
         with:
           skip-existing: true
 
@@ -94,7 +94,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: "3.11"
 
@@ -220,7 +220,7 @@ jobs:
       - deploy-manifest
     steps:
       - name: Trigger Workflow
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           github-token: ${{ secrets.DEPLOY_HA_ADDON_REPO_TOKEN }}
           script: |
@@ -246,7 +246,7 @@ jobs:
     environment: ${{ needs.init.outputs.deploy_env }}
     steps:
       - name: Trigger Workflow
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           github-token: ${{ secrets.DEPLOY_ESPHOME_SCHEMA_REPO_TOKEN }}
           script: |

.github/workflows/stale.yml

@@ -17,7 +17,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9.1.0
+      - uses: actions/stale@v10.0.0
         with:
           days-before-pr-stale: 90
           days-before-pr-close: 7
@@ -37,7 +37,7 @@ jobs:
   close-issues:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9.1.0
+      - uses: actions/stale@v10.0.0
         with:
           days-before-pr-stale: -1
           days-before-pr-close: -1

.github/workflows/status-check-labels.yml

@@ -16,7 +16,7 @@ jobs:
           - merge-after-release
     steps:
       - name: Check for ${{ matrix.label }} label
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v8.0.0
         with:
           script: |
             const { data: labels } = await github.rest.issues.listLabelsOnIssue({

.github/workflows/sync-device-classes.yml

@@ -22,7 +22,7 @@ jobs:
           path: lib/home-assistant
 
       - name: Setup Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: 3.13
 

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.12.10
+    rev: v0.12.12
     hooks:
       # Run the linter.
       - id: ruff

CODEOWNERS

@@ -66,7 +66,7 @@ esphome/components/binary_sensor/* @esphome/core
 esphome/components/bk72xx/* @kuba2k2
 esphome/components/bl0906/* @athom-tech @jesserockz @tarontop
 esphome/components/bl0939/* @ziceva
-esphome/components/bl0940/* @tobias-
+esphome/components/bl0940/* @dan-s-github @tobias-
 esphome/components/bl0942/* @dbuezas @dwmw2
 esphome/components/ble_client/* @buxtronix @clydebarrow
 esphome/components/bluetooth_proxy/* @bdraco @jesserockz
@@ -88,7 +88,8 @@ esphome/components/bp1658cj/* @Cossid
 esphome/components/bp5758d/* @Cossid
 esphome/components/button/* @esphome/core
 esphome/components/bytebuffer/* @clydebarrow
-esphome/components/camera/* @DT-art1 @bdraco
+esphome/components/camera/* @bdraco @DT-art1
+esphome/components/camera_encoder/* @DT-art1
 esphome/components/canbus/* @danielschramm @mvturnho
 esphome/components/cap1188/* @mreditor97
 esphome/components/captive_portal/* @esphome/core
@@ -144,9 +145,9 @@ esphome/components/es8156/* @kbx81
 esphome/components/es8311/* @kahrendt @kroimon
 esphome/components/es8388/* @P4uLT
 esphome/components/esp32/* @esphome/core
-esphome/components/esp32_ble/* @Rapsssito @bdraco @jesserockz
+esphome/components/esp32_ble/* @bdraco @jesserockz @Rapsssito
 esphome/components/esp32_ble_client/* @bdraco @jesserockz
-esphome/components/esp32_ble_server/* @Rapsssito @clydebarrow @jesserockz
+esphome/components/esp32_ble_server/* @clydebarrow @jesserockz @Rapsssito
 esphome/components/esp32_ble_tracker/* @bdraco
 esphome/components/esp32_camera_web_server/* @ayufan
 esphome/components/esp32_can/* @Sympatron
@@ -166,7 +167,7 @@ esphome/components/ezo_pmp/* @carlos-sarmiento
 esphome/components/factory_reset/* @anatoly-savchenkov
 esphome/components/fastled_base/* @OttoWinter
 esphome/components/feedback/* @ianchi
-esphome/components/fingerprint_grow/* @OnFreund @alexborro @loongyh
+esphome/components/fingerprint_grow/* @alexborro @loongyh @OnFreund
 esphome/components/font/* @clydebarrow @esphome/core
 esphome/components/fs3000/* @kahrendt
 esphome/components/ft5x06/* @clydebarrow
@@ -202,7 +203,7 @@ esphome/components/heatpumpir/* @rob-deutsch
 esphome/components/hitachi_ac424/* @sourabhjaiswal
 esphome/components/hm3301/* @freekode
 esphome/components/hmac_md5/* @dwmw2
-esphome/components/homeassistant/* @OttoWinter @esphome/core
+esphome/components/homeassistant/* @esphome/core @OttoWinter
 esphome/components/homeassistant/number/* @landonr
 esphome/components/homeassistant/switch/* @Links2004
 esphome/components/honeywell_hih_i2c/* @Benichou34
@@ -227,13 +228,13 @@ esphome/components/iaqcore/* @yozik04
 esphome/components/ili9xxx/* @clydebarrow @nielsnl68
 esphome/components/improv_base/* @esphome/core
 esphome/components/improv_serial/* @esphome/core
-esphome/components/ina226/* @Sergio303 @latonita
+esphome/components/ina226/* @latonita @Sergio303
 esphome/components/ina260/* @mreditor97
 esphome/components/ina2xx_base/* @latonita
 esphome/components/ina2xx_i2c/* @latonita
 esphome/components/ina2xx_spi/* @latonita
 esphome/components/inkbird_ibsth1_mini/* @fkirill
-esphome/components/inkplate6/* @jesserockz
+esphome/components/inkplate/* @jesserockz @JosipKuci
 esphome/components/integration/* @OttoWinter
 esphome/components/internal_temperature/* @Mat931
 esphome/components/interval/* @esphome/core
@@ -276,8 +277,8 @@ esphome/components/max7219digit/* @rspaargaren
 esphome/components/max9611/* @mckaymatthew
 esphome/components/mcp23008/* @jesserockz
 esphome/components/mcp23017/* @jesserockz
-esphome/components/mcp23s08/* @SenexCrenshaw @jesserockz
-esphome/components/mcp23s17/* @SenexCrenshaw @jesserockz
+esphome/components/mcp23s08/* @jesserockz @SenexCrenshaw
+esphome/components/mcp23s17/* @jesserockz @SenexCrenshaw
 esphome/components/mcp23x08_base/* @jesserockz
 esphome/components/mcp23x17_base/* @jesserockz
 esphome/components/mcp23xxx_base/* @jesserockz
@@ -298,6 +299,7 @@ esphome/components/mics_4514/* @jesserockz
 esphome/components/midea/* @dudanov
 esphome/components/midea_ir/* @dudanov
 esphome/components/mipi_dsi/* @clydebarrow
+esphome/components/mipi_rgb/* @clydebarrow
 esphome/components/mipi_spi/* @clydebarrow
 esphome/components/mitsubishi/* @RubyBailey
 esphome/components/mixer/speaker/* @kahrendt
@@ -341,7 +343,7 @@ esphome/components/ota/* @esphome/core
 esphome/components/output/* @esphome/core
 esphome/components/packet_transport/* @clydebarrow
 esphome/components/pca6416a/* @Mat931
-esphome/components/pca9554/* @clydebarrow @hwstar
+esphome/components/pca9554/* @bdraco @clydebarrow @hwstar
 esphome/components/pcf85063/* @brogon
 esphome/components/pcf8563/* @KoenBreeman
 esphome/components/pi4ioe5v6408/* @jesserockz
@@ -352,9 +354,9 @@ esphome/components/pm2005/* @andrewjswan
 esphome/components/pmsa003i/* @sjtrny
 esphome/components/pmsx003/* @ximex
 esphome/components/pmwcs3/* @SeByDocKy
-esphome/components/pn532/* @OttoWinter @jesserockz
-esphome/components/pn532_i2c/* @OttoWinter @jesserockz
-esphome/components/pn532_spi/* @OttoWinter @jesserockz
+esphome/components/pn532/* @jesserockz @OttoWinter
+esphome/components/pn532_i2c/* @jesserockz @OttoWinter
+esphome/components/pn532_spi/* @jesserockz @OttoWinter
 esphome/components/pn7150/* @jesserockz @kbx81
 esphome/components/pn7150_i2c/* @jesserockz @kbx81
 esphome/components/pn7160/* @jesserockz @kbx81
@@ -363,7 +365,7 @@ esphome/components/pn7160_spi/* @jesserockz @kbx81
 esphome/components/power_supply/* @esphome/core
 esphome/components/preferences/* @esphome/core
 esphome/components/psram/* @esphome/core
-esphome/components/pulse_meter/* @TrentHouliston @cstaahl @stevebaxter
+esphome/components/pulse_meter/* @cstaahl @stevebaxter @TrentHouliston
 esphome/components/pvvx_mithermometer/* @pasiz
 esphome/components/pylontech/* @functionpointer
 esphome/components/qmp6988/* @andrewpc
@@ -404,7 +406,7 @@ esphome/components/sensirion_common/* @martgras
 esphome/components/sensor/* @esphome/core
 esphome/components/sfa30/* @ghsensdev
 esphome/components/sgp40/* @SenexCrenshaw
-esphome/components/sgp4x/* @SenexCrenshaw @martgras
+esphome/components/sgp4x/* @martgras @SenexCrenshaw
 esphome/components/shelly_dimmer/* @edge90 @rnauber
 esphome/components/sht3xd/* @mrtoy-me
 esphome/components/sht4x/* @sjtrny

Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2025.9.0-dev
+PROJECT_NUMBER         = 2025.9.0b1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

esphome/__main__.py

@@ -396,27 +396,29 @@ def check_permissions(port: str):
             )
 
 
-def upload_program(config: ConfigType, args: ArgsProtocol, host: str) -> int | str:
+def upload_program(
+    config: ConfigType, args: ArgsProtocol, devices: list[str]
+) -> tuple[int, str | None]:
+    host = devices[0]
     try:
         module = importlib.import_module("esphome.components." + CORE.target_platform)
         if getattr(module, "upload_program")(config, args, host):
-            return 0
+            return 0, host
     except AttributeError:
         pass
 
     if get_port_type(host) == "SERIAL":
         check_permissions(host)
+
+        exit_code = 1
         if CORE.target_platform in (PLATFORM_ESP32, PLATFORM_ESP8266):
             file = getattr(args, "file", None)
-            return upload_using_esptool(config, host, file, args.upload_speed)
+            exit_code = upload_using_esptool(config, host, file, args.upload_speed)
+        elif CORE.target_platform == PLATFORM_RP2040 or CORE.is_libretiny:
+            exit_code = upload_using_platformio(config, host)
+        # else: Unknown target platform, exit_code remains 1
 
-        if CORE.target_platform in (PLATFORM_RP2040):
-            return upload_using_platformio(config, host)
-
-        if CORE.is_libretiny:
-            return upload_using_platformio(config, host)
-
-        return 1  # Unknown target platform
+        return exit_code, host if exit_code == 0 else None
 
     ota_conf = {}
     for ota_item in config.get(CONF_OTA, []):
@@ -433,10 +435,10 @@ def upload_program(config: ConfigType, args: ArgsProtocol, host: str) -> int | s
 
     remote_port = int(ota_conf[CONF_PORT])
     password = ota_conf.get(CONF_PASSWORD, "")
+    binary = args.file if getattr(args, "file", None) is not None else CORE.firmware_bin
 
     # Check if we should use MQTT for address resolution
     # This happens when no device was specified, or the current host is "MQTT"/"OTA"
-    devices: list[str] = args.device or []
     if (
         CONF_MQTT in config  # pylint: disable=too-many-boolean-expressions
         and (not devices or host in ("MQTT", "OTA"))
@@ -447,17 +449,23 @@ def upload_program(config: ConfigType, args: ArgsProtocol, host: str) -> int | s
     ):
         from esphome import mqtt
 
-        host = mqtt.get_esphome_device_ip(
-            config, args.username, args.password, args.client_id
-        )
+        devices = [
+            mqtt.get_esphome_device_ip(
+                config, args.username, args.password, args.client_id
+            )
+        ]
 
-    if getattr(args, "file", None) is not None:
-        return espota2.run_ota(host, remote_port, password, args.file)
-
-    return espota2.run_ota(host, remote_port, password, CORE.firmware_bin)
+    return espota2.run_ota(devices, remote_port, password, binary)
 
 
 def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int | None:
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        if getattr(module, "show_logs")(config, args, devices):
+            return 0
+    except AttributeError:
+        pass
+
     if "logger" not in config:
         raise EsphomeError("Logger is not configured!")
 
@@ -551,17 +559,11 @@ def command_upload(args: ArgsProtocol, config: ConfigType) -> int | None:
         purpose="uploading",
     )
 
-    # Try each device until one succeeds
-    exit_code = 1
-    for device in devices:
-        _LOGGER.info("Uploading to %s", device)
-        exit_code = upload_program(config, args, device)
-        if exit_code == 0:
-            _LOGGER.info("Successfully uploaded program.")
-            return 0
-        if len(devices) > 1:
-            _LOGGER.warning("Failed to upload to %s", device)
-
+    exit_code, _ = upload_program(config, args, devices)
+    if exit_code == 0:
+        _LOGGER.info("Successfully uploaded program.")
+    else:
+        _LOGGER.warning("Failed to upload to %s", devices)
     return exit_code
 
 
@@ -614,19 +616,11 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
         purpose="uploading",
     )
 
-    # Try each device for upload until one succeeds
-    successful_device: str | None = None
-    for device in devices:
-        _LOGGER.info("Uploading to %s", device)
-        exit_code = upload_program(config, args, device)
-        if exit_code == 0:
-            _LOGGER.info("Successfully uploaded program.")
-            successful_device = device
-            break
-        if len(devices) > 1:
-            _LOGGER.warning("Failed to upload to %s", device)
-
-    if successful_device is None:
+    exit_code, successful_device = upload_program(config, args, devices)
+    if exit_code == 0:
+        _LOGGER.info("Successfully uploaded program.")
+    else:
+        _LOGGER.warning("Failed to upload to %s", devices)
         return exit_code
 
     if args.no_logs:

esphome/components/absolute_humidity/absolute_humidity.cpp

@@ -61,11 +61,10 @@ void AbsoluteHumidityComponent::loop() {
       ESP_LOGW(TAG, "No valid state from temperature sensor!");
     }
     if (no_humidity) {
-      ESP_LOGW(TAG, "No valid state from temperature sensor!");
+      ESP_LOGW(TAG, "No valid state from humidity sensor!");
     }
-    ESP_LOGW(TAG, "Unable to calculate absolute humidity.");
     this->publish_state(NAN);
-    this->status_set_warning();
+    this->status_set_warning(LOG_STR("Unable to calculate absolute humidity."));
     return;
   }
 
@@ -87,9 +86,8 @@ void AbsoluteHumidityComponent::loop() {
       es = es_wobus(temperature_c);
       break;
     default:
-      ESP_LOGE(TAG, "Invalid saturation vapor pressure equation selection!");
       this->publish_state(NAN);
-      this->status_set_error();
+      this->status_set_error("Invalid saturation vapor pressure equation selection!");
       return;
   }
   ESP_LOGD(TAG, "Saturation vapor pressure %f kPa", es);

esphome/components/adc/adc_sensor_esp32.cpp

@@ -241,6 +241,8 @@ float ADCSensor::sample_autorange_() {
     cali_config.bitwidth = ADC_BITWIDTH_DEFAULT;
 
     err = adc_cali_create_scheme_curve_fitting(&cali_config, &handle);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Calibration handle creation %s (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", err);
 #else
     adc_cali_line_fitting_config_t cali_config = {
       .unit_id = this->adc_unit_,
@@ -251,10 +253,14 @@ float ADCSensor::sample_autorange_() {
 #endif
     };
     err = adc_cali_create_scheme_line_fitting(&cali_config, &handle);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Calibration handle creation %s (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", err);
 #endif
 
     int raw;
     err = adc_oneshot_read(this->adc_handle_, this->channel_, &raw);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Raw ADC read %s, value=%d (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", raw, err);
 
     if (err != ESP_OK) {
       ESP_LOGW(TAG, "ADC read failed in autorange with error %d", err);
@@ -275,8 +281,10 @@ float ADCSensor::sample_autorange_() {
       err = adc_cali_raw_to_voltage(handle, raw, &voltage_mv);
       if (err == ESP_OK) {
         voltage = voltage_mv / 1000.0f;
+        ESP_LOGVV(TAG, "Autorange atten=%d: CALIBRATED - raw=%d -> %dmV -> %.6fV", atten, raw, voltage_mv, voltage);
       } else {
         voltage = raw * 3.3f / 4095.0f;
+        ESP_LOGVV(TAG, "Autorange atten=%d: UNCALIBRATED FALLBACK - raw=%d -> %.6fV (3.3V ref)", atten, raw, voltage);
       }
       // Clean up calibration handle
 #if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
@@ -287,6 +295,7 @@ float ADCSensor::sample_autorange_() {
 #endif
     } else {
       voltage = raw * 3.3f / 4095.0f;
+      ESP_LOGVV(TAG, "Autorange atten=%d: NO CALIBRATION - raw=%d -> %.6fV (3.3V ref)", atten, raw, voltage);
     }
 
     return {raw, voltage};
@@ -324,18 +333,32 @@ float ADCSensor::sample_autorange_() {
   }
 
   const int adc_half = 2048;
-  uint32_t c12 = std::min(raw12, adc_half);
-  uint32_t c6 = adc_half - std::abs(raw6 - adc_half);
-  uint32_t c2 = adc_half - std::abs(raw2 - adc_half);
-  uint32_t c0 = std::min(4095 - raw0, adc_half);
-  uint32_t csum = c12 + c6 + c2 + c0;
+  const uint32_t c12 = std::min(raw12, adc_half);
+
+  const int32_t c6_signed = adc_half - std::abs(raw6 - adc_half);
+  const uint32_t c6 = (c6_signed > 0) ? c6_signed : 0;  // Clamp to prevent underflow
+
+  const int32_t c2_signed = adc_half - std::abs(raw2 - adc_half);
+  const uint32_t c2 = (c2_signed > 0) ? c2_signed : 0;  // Clamp to prevent underflow
+
+  const uint32_t c0 = std::min(4095 - raw0, adc_half);
+  const uint32_t csum = c12 + c6 + c2 + c0;
+
+  ESP_LOGVV(TAG, "Autorange summary:");
+  ESP_LOGVV(TAG, "  Raw readings: 12db=%d, 6db=%d, 2.5db=%d, 0db=%d", raw12, raw6, raw2, raw0);
+  ESP_LOGVV(TAG, "  Voltages: 12db=%.6f, 6db=%.6f, 2.5db=%.6f, 0db=%.6f", mv12, mv6, mv2, mv0);
+  ESP_LOGVV(TAG, "  Coefficients: c12=%u, c6=%u, c2=%u, c0=%u, sum=%u", c12, c6, c2, c0, csum);
 
   if (csum == 0) {
     ESP_LOGE(TAG, "Invalid weight sum in autorange calculation");
     return NAN;
   }
 
-  return (mv12 * c12 + mv6 * c6 + mv2 * c2 + mv0 * c0) / csum;
+  const float final_result = (mv12 * c12 + mv6 * c6 + mv2 * c2 + mv0 * c0) / csum;
+  ESP_LOGV(TAG, "Autorange final: (%.6f*%u + %.6f*%u + %.6f*%u + %.6f*%u)/%u = %.6fV", mv12, c12, mv6, c6, mv2, c2, mv0,
+           c0, csum, final_result);
+
+  return final_result;
 }
 
 }  // namespace adc

esphome/components/aht10/aht10.cpp

@@ -96,7 +96,7 @@ void AHT10Component::read_data_() {
     ESP_LOGD(TAG, "Read attempt %d at %ums", this->read_count_, (unsigned) (millis() - this->start_time_));
   }
   if (this->read(data, 6) != i2c::ERROR_OK) {
-    this->status_set_warning("Read failed, will retry");
+    this->status_set_warning(LOG_STR("Read failed, will retry"));
     this->restart_read_();
     return;
   }
@@ -113,7 +113,7 @@ void AHT10Component::read_data_() {
     } else {
       ESP_LOGD(TAG, "Invalid humidity, retrying");
       if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
-        this->status_set_warning(ESP_LOG_MSG_COMM_FAIL);
+        this->status_set_warning(LOG_STR(ESP_LOG_MSG_COMM_FAIL));
       }
       this->restart_read_();
       return;
@@ -144,7 +144,7 @@ void AHT10Component::update() {
     return;
   this->start_time_ = millis();
   if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
-    this->status_set_warning(ESP_LOG_MSG_COMM_FAIL);
+    this->status_set_warning(LOG_STR(ESP_LOG_MSG_COMM_FAIL));
     return;
   }
   this->restart_read_();

esphome/components/alarm_control_panel/__init__.py

@@ -13,7 +13,7 @@ from esphome.const import (
     CONF_TRIGGER_ID,
     CONF_WEB_SERVER,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 
@@ -345,6 +345,6 @@ async def alarm_control_panel_is_armed_to_code(
     return cg.new_Pvariable(condition_id, template_arg, paren)
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(alarm_control_panel_ns.using)

esphome/components/api/__init__.py

@@ -24,7 +24,7 @@ from esphome.const import (
     CONF_TRIGGER_ID,
     CONF_VARIABLES,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 DOMAIN = "api"
 DEPENDENCIES = ["network"]
@@ -134,7 +134,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-@coroutine_with_priority(40.0)
+@coroutine_with_priority(CoroPriority.WEB)
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)

esphome/components/api/api.proto

@@ -818,6 +818,7 @@ message GetTimeResponse {
   option (no_delay) = true;
 
   fixed32 epoch_seconds = 1;
+  string timezone = 2;
 }
 
 // ==================== USER-DEFINES SERVICES ====================
@@ -1712,6 +1713,7 @@ message BluetoothScannerStateResponse {
 
   BluetoothScannerState state = 1;
   BluetoothScannerMode mode = 2;
+  BluetoothScannerMode configured_mode = 3;
 }
 
 message BluetoothScannerSetModeRequest {

esphome/components/api/api_connection.cpp

@@ -112,7 +112,7 @@ void APIConnection::start() {
   APIError err = this->helper_->init();
   if (err != APIError::OK) {
     on_fatal_error();
-    this->log_warning_("Helper init failed", err);
+    this->log_warning_(LOG_STR("Helper init failed"), err);
     return;
   }
   this->client_info_.peername = helper_->getpeername();
@@ -159,7 +159,7 @@ void APIConnection::loop() {
         break;
       } else if (err != APIError::OK) {
         on_fatal_error();
-        this->log_warning_("Reading failed", err);
+        this->log_warning_(LOG_STR("Reading failed"), err);
         return;
       } else {
         this->last_traffic_ = now;
@@ -1070,8 +1070,14 @@ void APIConnection::camera_image(const CameraImageRequest &msg) {
 
 #ifdef USE_HOMEASSISTANT_TIME
 void APIConnection::on_get_time_response(const GetTimeResponse &value) {
-  if (homeassistant::global_homeassistant_time != nullptr)
+  if (homeassistant::global_homeassistant_time != nullptr) {
     homeassistant::global_homeassistant_time->set_epoch_time(value.epoch_seconds);
+#ifdef USE_TIME_TIMEZONE
+    if (!value.timezone.empty() && value.timezone != homeassistant::global_homeassistant_time->get_timezone()) {
+      homeassistant::global_homeassistant_time->set_timezone(value.timezone);
+    }
+#endif
+  }
 }
 #endif
 
@@ -1565,7 +1571,7 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
     return false;
   if (err != APIError::OK) {
     on_fatal_error();
-    this->log_warning_("Packet write failed", err);
+    this->log_warning_(LOG_STR("Packet write failed"), err);
     return false;
   }
   // Do not set last_traffic_ on send
@@ -1752,7 +1758,7 @@ void APIConnection::process_batch_() {
                                                        std::span<const PacketInfo>(packet_info, packet_count));
   if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
     on_fatal_error();
-    this->log_warning_("Batch write failed", err);
+    this->log_warning_(LOG_STR("Batch write failed"), err);
   }
 
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1830,11 +1836,14 @@ void APIConnection::process_state_subscriptions_() {
 }
 #endif  // USE_API_HOMEASSISTANT_STATES
 
-void APIConnection::log_warning_(const char *message, APIError err) {
-  ESP_LOGW(TAG, "%s: %s %s errno=%d", this->get_client_combined_info().c_str(), message, api_error_to_str(err), errno);
+void APIConnection::log_warning_(const LogString *message, APIError err) {
+  ESP_LOGW(TAG, "%s: %s %s errno=%d", this->get_client_combined_info().c_str(), LOG_STR_ARG(message),
+           LOG_STR_ARG(api_error_to_logstr(err)), errno);
 }
 
-void APIConnection::log_socket_operation_failed_(APIError err) { this->log_warning_("Socket operation failed", err); }
+void APIConnection::log_socket_operation_failed_(APIError err) {
+  this->log_warning_(LOG_STR("Socket operation failed"), err);
+}
 
 }  // namespace esphome::api
 #endif

esphome/components/api/api_connection.h

@@ -732,7 +732,7 @@ class APIConnection final : public APIServerConnection {
   }
 
   // Helper function to log API errors with errno
-  void log_warning_(const char *message, APIError err);
+  void log_warning_(const LogString *message, APIError err);
   // Specific helper for duplicated error message
   void log_socket_operation_failed_(APIError err);
 };

esphome/components/api/api_frame_helper.cpp

@@ -23,59 +23,59 @@ static const char *const TAG = "api.frame_helper";
 #define LOG_PACKET_SENDING(data, len) ((void) 0)
 #endif
 
-const char *api_error_to_str(APIError err) {
+const LogString *api_error_to_logstr(APIError err) {
   // not using switch to ensure compiler doesn't try to build a big table out of it
   if (err == APIError::OK) {
-    return "OK";
+    return LOG_STR("OK");
   } else if (err == APIError::WOULD_BLOCK) {
-    return "WOULD_BLOCK";
+    return LOG_STR("WOULD_BLOCK");
   } else if (err == APIError::BAD_INDICATOR) {
-    return "BAD_INDICATOR";
+    return LOG_STR("BAD_INDICATOR");
   } else if (err == APIError::BAD_DATA_PACKET) {
-    return "BAD_DATA_PACKET";
+    return LOG_STR("BAD_DATA_PACKET");
   } else if (err == APIError::TCP_NODELAY_FAILED) {
-    return "TCP_NODELAY_FAILED";
+    return LOG_STR("TCP_NODELAY_FAILED");
   } else if (err == APIError::TCP_NONBLOCKING_FAILED) {
-    return "TCP_NONBLOCKING_FAILED";
+    return LOG_STR("TCP_NONBLOCKING_FAILED");
   } else if (err == APIError::CLOSE_FAILED) {
-    return "CLOSE_FAILED";
+    return LOG_STR("CLOSE_FAILED");
   } else if (err == APIError::SHUTDOWN_FAILED) {
-    return "SHUTDOWN_FAILED";
+    return LOG_STR("SHUTDOWN_FAILED");
   } else if (err == APIError::BAD_STATE) {
-    return "BAD_STATE";
+    return LOG_STR("BAD_STATE");
   } else if (err == APIError::BAD_ARG) {
-    return "BAD_ARG";
+    return LOG_STR("BAD_ARG");
   } else if (err == APIError::SOCKET_READ_FAILED) {
-    return "SOCKET_READ_FAILED";
+    return LOG_STR("SOCKET_READ_FAILED");
   } else if (err == APIError::SOCKET_WRITE_FAILED) {
-    return "SOCKET_WRITE_FAILED";
+    return LOG_STR("SOCKET_WRITE_FAILED");
   } else if (err == APIError::OUT_OF_MEMORY) {
-    return "OUT_OF_MEMORY";
+    return LOG_STR("OUT_OF_MEMORY");
   } else if (err == APIError::CONNECTION_CLOSED) {
-    return "CONNECTION_CLOSED";
+    return LOG_STR("CONNECTION_CLOSED");
   }
 #ifdef USE_API_NOISE
   else if (err == APIError::BAD_HANDSHAKE_PACKET_LEN) {
-    return "BAD_HANDSHAKE_PACKET_LEN";
+    return LOG_STR("BAD_HANDSHAKE_PACKET_LEN");
   } else if (err == APIError::HANDSHAKESTATE_READ_FAILED) {
-    return "HANDSHAKESTATE_READ_FAILED";
+    return LOG_STR("HANDSHAKESTATE_READ_FAILED");
   } else if (err == APIError::HANDSHAKESTATE_WRITE_FAILED) {
-    return "HANDSHAKESTATE_WRITE_FAILED";
+    return LOG_STR("HANDSHAKESTATE_WRITE_FAILED");
   } else if (err == APIError::HANDSHAKESTATE_BAD_STATE) {
-    return "HANDSHAKESTATE_BAD_STATE";
+    return LOG_STR("HANDSHAKESTATE_BAD_STATE");
   } else if (err == APIError::CIPHERSTATE_DECRYPT_FAILED) {
-    return "CIPHERSTATE_DECRYPT_FAILED";
+    return LOG_STR("CIPHERSTATE_DECRYPT_FAILED");
   } else if (err == APIError::CIPHERSTATE_ENCRYPT_FAILED) {
-    return "CIPHERSTATE_ENCRYPT_FAILED";
+    return LOG_STR("CIPHERSTATE_ENCRYPT_FAILED");
   } else if (err == APIError::HANDSHAKESTATE_SETUP_FAILED) {
-    return "HANDSHAKESTATE_SETUP_FAILED";
+    return LOG_STR("HANDSHAKESTATE_SETUP_FAILED");
   } else if (err == APIError::HANDSHAKESTATE_SPLIT_FAILED) {
-    return "HANDSHAKESTATE_SPLIT_FAILED";
+    return LOG_STR("HANDSHAKESTATE_SPLIT_FAILED");
   } else if (err == APIError::BAD_HANDSHAKE_ERROR_BYTE) {
-    return "BAD_HANDSHAKE_ERROR_BYTE";
+    return LOG_STR("BAD_HANDSHAKE_ERROR_BYTE");
   }
 #endif
-  return "UNKNOWN";
+  return LOG_STR("UNKNOWN");
 }
 
 // Default implementation for loop - handles sending buffered data

esphome/components/api/api_frame_helper.h

@@ -66,7 +66,7 @@ enum class APIError : uint16_t {
 #endif
 };
 
-const char *api_error_to_str(APIError err);
+const LogString *api_error_to_logstr(APIError err);
 
 class APIFrameHelper {
  public:

esphome/components/api/api_frame_helper_noise.cpp

@@ -10,10 +10,18 @@
 #include <cstring>
 #include <cinttypes>
 
+#ifdef USE_ESP8266
+#include <pgmspace.h>
+#endif
+
 namespace esphome::api {
 
 static const char *const TAG = "api.noise";
+#ifdef USE_ESP8266
+static const char PROLOGUE_INIT[] PROGMEM = "NoiseAPIInit";
+#else
 static const char *const PROLOGUE_INIT = "NoiseAPIInit";
+#endif
 static constexpr size_t PROLOGUE_INIT_LEN = 12;  // strlen("NoiseAPIInit")
 
 #define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, this->client_info_->get_combined_info().c_str(), ##__VA_ARGS__)
@@ -27,42 +35,42 @@ static constexpr size_t PROLOGUE_INIT_LEN = 12;  // strlen("NoiseAPIInit")
 #endif
 
 /// Convert a noise error code to a readable error
-std::string noise_err_to_str(int err) {
+const LogString *noise_err_to_logstr(int err) {
   if (err == NOISE_ERROR_NO_MEMORY)
-    return "NO_MEMORY";
+    return LOG_STR("NO_MEMORY");
   if (err == NOISE_ERROR_UNKNOWN_ID)
-    return "UNKNOWN_ID";
+    return LOG_STR("UNKNOWN_ID");
   if (err == NOISE_ERROR_UNKNOWN_NAME)
-    return "UNKNOWN_NAME";
+    return LOG_STR("UNKNOWN_NAME");
   if (err == NOISE_ERROR_MAC_FAILURE)
-    return "MAC_FAILURE";
+    return LOG_STR("MAC_FAILURE");
   if (err == NOISE_ERROR_NOT_APPLICABLE)
-    return "NOT_APPLICABLE";
+    return LOG_STR("NOT_APPLICABLE");
   if (err == NOISE_ERROR_SYSTEM)
-    return "SYSTEM";
+    return LOG_STR("SYSTEM");
   if (err == NOISE_ERROR_REMOTE_KEY_REQUIRED)
-    return "REMOTE_KEY_REQUIRED";
+    return LOG_STR("REMOTE_KEY_REQUIRED");
   if (err == NOISE_ERROR_LOCAL_KEY_REQUIRED)
-    return "LOCAL_KEY_REQUIRED";
+    return LOG_STR("LOCAL_KEY_REQUIRED");
   if (err == NOISE_ERROR_PSK_REQUIRED)
-    return "PSK_REQUIRED";
+    return LOG_STR("PSK_REQUIRED");
   if (err == NOISE_ERROR_INVALID_LENGTH)
-    return "INVALID_LENGTH";
+    return LOG_STR("INVALID_LENGTH");
   if (err == NOISE_ERROR_INVALID_PARAM)
-    return "INVALID_PARAM";
+    return LOG_STR("INVALID_PARAM");
   if (err == NOISE_ERROR_INVALID_STATE)
-    return "INVALID_STATE";
+    return LOG_STR("INVALID_STATE");
   if (err == NOISE_ERROR_INVALID_NONCE)
-    return "INVALID_NONCE";
+    return LOG_STR("INVALID_NONCE");
   if (err == NOISE_ERROR_INVALID_PRIVATE_KEY)
-    return "INVALID_PRIVATE_KEY";
+    return LOG_STR("INVALID_PRIVATE_KEY");
   if (err == NOISE_ERROR_INVALID_PUBLIC_KEY)
-    return "INVALID_PUBLIC_KEY";
+    return LOG_STR("INVALID_PUBLIC_KEY");
   if (err == NOISE_ERROR_INVALID_FORMAT)
-    return "INVALID_FORMAT";
+    return LOG_STR("INVALID_FORMAT");
   if (err == NOISE_ERROR_INVALID_SIGNATURE)
-    return "INVALID_SIGNATURE";
-  return to_string(err);
+    return LOG_STR("INVALID_SIGNATURE");
+  return LOG_STR("UNKNOWN");
 }
 
 /// Initialize the frame helper, returns OK if successful.
@@ -75,7 +83,11 @@ APIError APINoiseFrameHelper::init() {
   // init prologue
   size_t old_size = prologue_.size();
   prologue_.resize(old_size + PROLOGUE_INIT_LEN);
+#ifdef USE_ESP8266
+  memcpy_P(prologue_.data() + old_size, PROLOGUE_INIT, PROLOGUE_INIT_LEN);
+#else
   std::memcpy(prologue_.data() + old_size, PROLOGUE_INIT, PROLOGUE_INIT_LEN);
+#endif
 
   state_ = State::CLIENT_HELLO;
   return APIError::OK;
@@ -83,18 +95,18 @@ APIError APINoiseFrameHelper::init() {
 // Helper for handling handshake frame errors
 APIError APINoiseFrameHelper::handle_handshake_frame_error_(APIError aerr) {
   if (aerr == APIError::BAD_INDICATOR) {
-    send_explicit_handshake_reject_("Bad indicator byte");
+    send_explicit_handshake_reject_(LOG_STR("Bad indicator byte"));
   } else if (aerr == APIError::BAD_HANDSHAKE_PACKET_LEN) {
-    send_explicit_handshake_reject_("Bad handshake packet len");
+    send_explicit_handshake_reject_(LOG_STR("Bad handshake packet len"));
   }
   return aerr;
 }
 
 // Helper for handling noise library errors
-APIError APINoiseFrameHelper::handle_noise_error_(int err, const char *func_name, APIError api_err) {
+APIError APINoiseFrameHelper::handle_noise_error_(int err, const LogString *func_name, APIError api_err) {
   if (err != 0) {
     state_ = State::FAILED;
-    HELPER_LOG("%s failed: %s", func_name, noise_err_to_str(err).c_str());
+    HELPER_LOG("%s failed: %s", LOG_STR_ARG(func_name), LOG_STR_ARG(noise_err_to_logstr(err)));
     return api_err;
   }
   return APIError::OK;
@@ -279,11 +291,11 @@ APIError APINoiseFrameHelper::state_action_() {
       }
 
       if (frame.empty()) {
-        send_explicit_handshake_reject_("Empty handshake message");
+        send_explicit_handshake_reject_(LOG_STR("Empty handshake message"));
         return APIError::BAD_HANDSHAKE_ERROR_BYTE;
       } else if (frame[0] != 0x00) {
         HELPER_LOG("Bad handshake error byte: %u", frame[0]);
-        send_explicit_handshake_reject_("Bad handshake error byte");
+        send_explicit_handshake_reject_(LOG_STR("Bad handshake error byte"));
         return APIError::BAD_HANDSHAKE_ERROR_BYTE;
       }
 
@@ -293,8 +305,10 @@ APIError APINoiseFrameHelper::state_action_() {
       err = noise_handshakestate_read_message(handshake_, &mbuf, nullptr);
       if (err != 0) {
         // Special handling for MAC failure
-        send_explicit_handshake_reject_(err == NOISE_ERROR_MAC_FAILURE ? "Handshake MAC failure" : "Handshake error");
-        return handle_noise_error_(err, "noise_handshakestate_read_message", APIError::HANDSHAKESTATE_READ_FAILED);
+        send_explicit_handshake_reject_(err == NOISE_ERROR_MAC_FAILURE ? LOG_STR("Handshake MAC failure")
+                                                                       : LOG_STR("Handshake error"));
+        return handle_noise_error_(err, LOG_STR("noise_handshakestate_read_message"),
+                                   APIError::HANDSHAKESTATE_READ_FAILED);
       }
 
       aerr = check_handshake_finished_();
@@ -307,8 +321,8 @@ APIError APINoiseFrameHelper::state_action_() {
       noise_buffer_set_output(mbuf, buffer + 1, sizeof(buffer) - 1);
 
       err = noise_handshakestate_write_message(handshake_, &mbuf, nullptr);
-      APIError aerr_write =
-          handle_noise_error_(err, "noise_handshakestate_write_message", APIError::HANDSHAKESTATE_WRITE_FAILED);
+      APIError aerr_write = handle_noise_error_(err, LOG_STR("noise_handshakestate_write_message"),
+                                                APIError::HANDSHAKESTATE_WRITE_FAILED);
       if (aerr_write != APIError::OK)
         return aerr_write;
       buffer[0] = 0x00;  // success
@@ -331,15 +345,31 @@ APIError APINoiseFrameHelper::state_action_() {
   }
   return APIError::OK;
 }
-void APINoiseFrameHelper::send_explicit_handshake_reject_(const std::string &reason) {
+void APINoiseFrameHelper::send_explicit_handshake_reject_(const LogString *reason) {
+#ifdef USE_STORE_LOG_STR_IN_FLASH
+  // On ESP8266 with flash strings, we need to use PROGMEM-aware functions
+  size_t reason_len = strlen_P(reinterpret_cast<PGM_P>(reason));
   std::vector<uint8_t> data;
-  data.resize(reason.length() + 1);
+  data.resize(reason_len + 1);
+  data[0] = 0x01;  // failure
+
+  // Copy error message from PROGMEM
+  if (reason_len > 0) {
+    memcpy_P(data.data() + 1, reinterpret_cast<PGM_P>(reason), reason_len);
+  }
+#else
+  // Normal memory access
+  const char *reason_str = LOG_STR_ARG(reason);
+  size_t reason_len = strlen(reason_str);
+  std::vector<uint8_t> data;
+  data.resize(reason_len + 1);
   data[0] = 0x01;  // failure
 
   // Copy error message in bulk
-  if (!reason.empty()) {
-    std::memcpy(data.data() + 1, reason.c_str(), reason.length());
+  if (reason_len > 0) {
+    std::memcpy(data.data() + 1, reason_str, reason_len);
   }
+#endif
 
   // temporarily remove failed state
   auto orig_state = state_;
@@ -368,7 +398,8 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   noise_buffer_init(mbuf);
   noise_buffer_set_inout(mbuf, frame.data(), frame.size(), frame.size());
   err = noise_cipherstate_decrypt(recv_cipher_, &mbuf);
-  APIError decrypt_err = handle_noise_error_(err, "noise_cipherstate_decrypt", APIError::CIPHERSTATE_DECRYPT_FAILED);
+  APIError decrypt_err =
+      handle_noise_error_(err, LOG_STR("noise_cipherstate_decrypt"), APIError::CIPHERSTATE_DECRYPT_FAILED);
   if (decrypt_err != APIError::OK)
     return decrypt_err;
 
@@ -450,7 +481,8 @@ APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, st
                            4 + packet.payload_size + frame_footer_size_);
 
     int err = noise_cipherstate_encrypt(send_cipher_, &mbuf);
-    APIError aerr = handle_noise_error_(err, "noise_cipherstate_encrypt", APIError::CIPHERSTATE_ENCRYPT_FAILED);
+    APIError aerr =
+        handle_noise_error_(err, LOG_STR("noise_cipherstate_encrypt"), APIError::CIPHERSTATE_ENCRYPT_FAILED);
     if (aerr != APIError::OK)
       return aerr;
 
@@ -504,25 +536,27 @@ APIError APINoiseFrameHelper::init_handshake_() {
   nid_.modifier_ids[0] = NOISE_MODIFIER_PSK0;
 
   err = noise_handshakestate_new_by_id(&handshake_, &nid_, NOISE_ROLE_RESPONDER);
-  APIError aerr = handle_noise_error_(err, "noise_handshakestate_new_by_id", APIError::HANDSHAKESTATE_SETUP_FAILED);
+  APIError aerr =
+      handle_noise_error_(err, LOG_STR("noise_handshakestate_new_by_id"), APIError::HANDSHAKESTATE_SETUP_FAILED);
   if (aerr != APIError::OK)
     return aerr;
 
   const auto &psk = ctx_->get_psk();
   err = noise_handshakestate_set_pre_shared_key(handshake_, psk.data(), psk.size());
-  aerr = handle_noise_error_(err, "noise_handshakestate_set_pre_shared_key", APIError::HANDSHAKESTATE_SETUP_FAILED);
+  aerr = handle_noise_error_(err, LOG_STR("noise_handshakestate_set_pre_shared_key"),
+                             APIError::HANDSHAKESTATE_SETUP_FAILED);
   if (aerr != APIError::OK)
     return aerr;
 
   err = noise_handshakestate_set_prologue(handshake_, prologue_.data(), prologue_.size());
-  aerr = handle_noise_error_(err, "noise_handshakestate_set_prologue", APIError::HANDSHAKESTATE_SETUP_FAILED);
+  aerr = handle_noise_error_(err, LOG_STR("noise_handshakestate_set_prologue"), APIError::HANDSHAKESTATE_SETUP_FAILED);
   if (aerr != APIError::OK)
     return aerr;
   // set_prologue copies it into handshakestate, so we can get rid of it now
   prologue_ = {};
 
   err = noise_handshakestate_start(handshake_);
-  aerr = handle_noise_error_(err, "noise_handshakestate_start", APIError::HANDSHAKESTATE_SETUP_FAILED);
+  aerr = handle_noise_error_(err, LOG_STR("noise_handshakestate_start"), APIError::HANDSHAKESTATE_SETUP_FAILED);
   if (aerr != APIError::OK)
     return aerr;
   return APIError::OK;
@@ -540,7 +574,8 @@ APIError APINoiseFrameHelper::check_handshake_finished_() {
     return APIError::HANDSHAKESTATE_BAD_STATE;
   }
   int err = noise_handshakestate_split(handshake_, &send_cipher_, &recv_cipher_);
-  APIError aerr = handle_noise_error_(err, "noise_handshakestate_split", APIError::HANDSHAKESTATE_SPLIT_FAILED);
+  APIError aerr =
+      handle_noise_error_(err, LOG_STR("noise_handshakestate_split"), APIError::HANDSHAKESTATE_SPLIT_FAILED);
   if (aerr != APIError::OK)
     return aerr;
 

esphome/components/api/api_frame_helper_noise.h

@@ -32,9 +32,9 @@ class APINoiseFrameHelper final : public APIFrameHelper {
   APIError write_frame_(const uint8_t *data, uint16_t len);
   APIError init_handshake_();
   APIError check_handshake_finished_();
-  void send_explicit_handshake_reject_(const std::string &reason);
+  void send_explicit_handshake_reject_(const LogString *reason);
   APIError handle_handshake_frame_error_(APIError aerr);
-  APIError handle_noise_error_(int err, const char *func_name, APIError api_err);
+  APIError handle_noise_error_(int err, const LogString *func_name, APIError api_err);
 
   // Pointers first (4 bytes each)
   NoiseHandshakeState *handshake_{nullptr};

esphome/components/api/api_frame_helper_plaintext.cpp

@@ -10,6 +10,10 @@
 #include <cstring>
 #include <cinttypes>
 
+#ifdef USE_ESP8266
+#include <pgmspace.h>
+#endif
+
 namespace esphome::api {
 
 static const char *const TAG = "api.plaintext";
@@ -197,11 +201,20 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
       // We must send at least 3 bytes to be read, so we add
       // a message after the indicator byte to ensures its long
       // enough and can aid in debugging.
-      const char msg[] = "\x00"
-                         "Bad indicator byte";
+      static constexpr uint8_t INDICATOR_MSG_SIZE = 19;
+#ifdef USE_ESP8266
+      static const char MSG_PROGMEM[] PROGMEM = "\x00"
+                                                "Bad indicator byte";
+      char msg[INDICATOR_MSG_SIZE];
+      memcpy_P(msg, MSG_PROGMEM, INDICATOR_MSG_SIZE);
       iov[0].iov_base = (void *) msg;
-      iov[0].iov_len = 19;
-      this->write_raw_(iov, 1, 19);
+#else
+      static const char MSG[] = "\x00"
+                                "Bad indicator byte";
+      iov[0].iov_base = (void *) MSG;
+#endif
+      iov[0].iov_len = INDICATOR_MSG_SIZE;
+      this->write_raw_(iov, 1, INDICATOR_MSG_SIZE);
     }
     return aerr;
   }

esphome/components/api/api_pb2.cpp

@@ -901,6 +901,16 @@ bool HomeAssistantStateResponse::decode_length(uint32_t field_id, ProtoLengthDel
   return true;
 }
 #endif
+bool GetTimeResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 2:
+      this->timezone = value.as_string();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
 bool GetTimeResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
   switch (field_id) {
     case 1:
@@ -911,8 +921,14 @@ bool GetTimeResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
   }
   return true;
 }
-void GetTimeResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_fixed32(1, this->epoch_seconds); }
-void GetTimeResponse::calculate_size(ProtoSize &size) const { size.add_fixed32(1, this->epoch_seconds); }
+void GetTimeResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_fixed32(1, this->epoch_seconds);
+  buffer.encode_string(2, this->timezone_ref_);
+}
+void GetTimeResponse::calculate_size(ProtoSize &size) const {
+  size.add_fixed32(1, this->epoch_seconds);
+  size.add_length(1, this->timezone_ref_.size());
+}
 #ifdef USE_API_SERVICES
 void ListEntitiesServicesArgument::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->name_ref_);
@@ -2153,10 +2169,12 @@ void BluetoothDeviceClearCacheResponse::calculate_size(ProtoSize &size) const {
 void BluetoothScannerStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(1, static_cast<uint32_t>(this->state));
   buffer.encode_uint32(2, static_cast<uint32_t>(this->mode));
+  buffer.encode_uint32(3, static_cast<uint32_t>(this->configured_mode));
 }
 void BluetoothScannerStateResponse::calculate_size(ProtoSize &size) const {
   size.add_uint32(1, static_cast<uint32_t>(this->state));
   size.add_uint32(1, static_cast<uint32_t>(this->mode));
+  size.add_uint32(1, static_cast<uint32_t>(this->configured_mode));
 }
 bool BluetoothScannerSetModeRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {

esphome/components/api/api_pb2.h

@@ -1174,11 +1174,14 @@ class GetTimeRequest final : public ProtoMessage {
 class GetTimeResponse final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 37;
-  static constexpr uint8_t ESTIMATED_SIZE = 5;
+  static constexpr uint8_t ESTIMATED_SIZE = 14;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "get_time_response"; }
 #endif
   uint32_t epoch_seconds{0};
+  std::string timezone{};
+  StringRef timezone_ref_{};
+  void set_timezone(const StringRef &ref) { this->timezone_ref_ = ref; }
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1187,6 +1190,7 @@ class GetTimeResponse final : public ProtoDecodableMessage {
 
  protected:
   bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
 };
 #ifdef USE_API_SERVICES
 class ListEntitiesServicesArgument final : public ProtoMessage {
@@ -2214,12 +2218,13 @@ class BluetoothDeviceClearCacheResponse final : public ProtoMessage {
 class BluetoothScannerStateResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 126;
-  static constexpr uint8_t ESTIMATED_SIZE = 4;
+  static constexpr uint8_t ESTIMATED_SIZE = 6;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "bluetooth_scanner_state_response"; }
 #endif
   enums::BluetoothScannerState state{};
   enums::BluetoothScannerMode mode{};
+  enums::BluetoothScannerMode configured_mode{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP

esphome/components/api/api_pb2_dump.cpp

@@ -1110,7 +1110,17 @@ void HomeAssistantStateResponse::dump_to(std::string &out) const {
 }
 #endif
 void GetTimeRequest::dump_to(std::string &out) const { out.append("GetTimeRequest {}"); }
-void GetTimeResponse::dump_to(std::string &out) const { dump_field(out, "epoch_seconds", this->epoch_seconds); }
+void GetTimeResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "GetTimeResponse");
+  dump_field(out, "epoch_seconds", this->epoch_seconds);
+  out.append("  timezone: ");
+  if (!this->timezone_ref_.empty()) {
+    out.append("'").append(this->timezone_ref_.c_str()).append("'");
+  } else {
+    out.append("'").append(this->timezone).append("'");
+  }
+  out.append("\n");
+}
 #ifdef USE_API_SERVICES
 void ListEntitiesServicesArgument::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesServicesArgument");
@@ -1135,7 +1145,7 @@ void ExecuteServiceArgument::dump_to(std::string &out) const {
   dump_field(out, "string_", this->string_);
   dump_field(out, "int_", this->int_);
   for (const auto it : this->bool_array) {
-    dump_field(out, "bool_array", it, 4);
+    dump_field(out, "bool_array", static_cast<bool>(it), 4);
   }
   for (const auto &it : this->int_array) {
     dump_field(out, "int_array", it, 4);
@@ -1704,6 +1714,7 @@ void BluetoothScannerStateResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "BluetoothScannerStateResponse");
   dump_field(out, "state", static_cast<enums::BluetoothScannerState>(this->state));
   dump_field(out, "mode", static_cast<enums::BluetoothScannerMode>(this->mode));
+  dump_field(out, "configured_mode", static_cast<enums::BluetoothScannerMode>(this->configured_mode));
 }
 void BluetoothScannerSetModeRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "BluetoothScannerSetModeRequest");

esphome/components/async_tcp/__init__.py

@@ -8,7 +8,7 @@ from esphome.const import (
     PLATFORM_LN882X,
     PLATFORM_RTL87XX,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 CODEOWNERS = ["@esphome/core"]
 
@@ -27,7 +27,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-@coroutine_with_priority(200.0)
+@coroutine_with_priority(CoroPriority.NETWORK_TRANSPORT)
 async def to_code(config):
     if CORE.is_esp32 or CORE.is_libretiny:
         # https://github.com/ESP32Async/AsyncTCP

esphome/components/atm90e26/sensor.py

@@ -16,6 +16,7 @@ from esphome.const import (
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_VOLTAGE,
     ICON_CURRENT_AC,
     ICON_LIGHTBULB,
@@ -78,6 +79,7 @@ CONFIG_SCHEMA = (
                 unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
                 icon=ICON_LIGHTBULB,
                 accuracy_decimals=2,
+                device_class=DEVICE_CLASS_REACTIVE_POWER,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(

esphome/components/atm90e32/sensor.py

@@ -17,10 +17,12 @@ from esphome.const import (
     CONF_REACTIVE_POWER,
     CONF_REVERSE_ACTIVE_ENERGY,
     CONF_VOLTAGE,
+    DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
     ENTITY_CATEGORY_DIAGNOSTIC,
@@ -100,13 +102,13 @@ ATM90E32_PHASE_SCHEMA = cv.Schema(
             unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
             icon=ICON_LIGHTBULB,
             accuracy_decimals=2,
-            device_class=DEVICE_CLASS_POWER,
+            device_class=DEVICE_CLASS_REACTIVE_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional(CONF_APPARENT_POWER): sensor.sensor_schema(
             unit_of_measurement=UNIT_VOLT_AMPS,
             accuracy_decimals=2,
-            device_class=DEVICE_CLASS_POWER,
+            device_class=DEVICE_CLASS_APPARENT_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(

esphome/components/audio_adc/__init__.py

@@ -2,7 +2,7 @@ from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_MIC_GAIN
-from esphome.core import coroutine_with_priority
+from esphome.core import CoroPriority, coroutine_with_priority
 
 CODEOWNERS = ["@kbx81"]
 IS_PLATFORM_COMPONENT = True
@@ -35,7 +35,7 @@ async def audio_adc_set_mic_gain_to_code(config, action_id, template_arg, args):
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_define("USE_AUDIO_ADC")
     cg.add_global(audio_adc_ns.using)

esphome/components/audio_dac/__init__.py

@@ -3,7 +3,7 @@ from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_VOLUME
-from esphome.core import coroutine_with_priority
+from esphome.core import CoroPriority, coroutine_with_priority
 
 CODEOWNERS = ["@kbx81"]
 IS_PLATFORM_COMPONENT = True
@@ -51,7 +51,7 @@ async def audio_dac_set_volume_to_code(config, action_id, template_arg, args):
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_define("USE_AUDIO_DAC")
     cg.add_global(audio_dac_ns.using)

esphome/components/axs15231/touchscreen/axs15231_touchscreen.cpp

@@ -12,7 +12,7 @@ constexpr static const uint8_t AXS_READ_TOUCHPAD[11] = {0xb5, 0xab, 0xa5, 0x5a,
 
 #define ERROR_CHECK(err) \
   if ((err) != i2c::ERROR_OK) { \
-    this->status_set_warning("Failed to communicate"); \
+    this->status_set_warning(LOG_STR("Failed to communicate")); \
     return; \
   }
 

esphome/components/bedjet/bedjet_hub.cpp

@@ -493,7 +493,7 @@ void BedJetHub::dump_config() {
                 "  ble_client.app_id: %d\n"
                 "  ble_client.conn_id: %d",
                 this->get_name().c_str(), this->parent()->app_id, this->parent()->get_conn_id());
-  LOG_UPDATE_INTERVAL(this)
+  LOG_UPDATE_INTERVAL(this);
   ESP_LOGCONFIG(TAG, "  Child components (%d):", this->children_.size());
   for (auto *child : this->children_) {
     ESP_LOGCONFIG(TAG, "    - %s", child->describe().c_str());

esphome/components/binary_sensor/__init__.py

@@ -59,7 +59,7 @@ from esphome.const import (
     DEVICE_CLASS_VIBRATION,
     DEVICE_CLASS_WINDOW,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 from esphome.util import Registry
@@ -652,7 +652,7 @@ async def binary_sensor_is_off_to_code(config, condition_id, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, paren, False)
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(binary_sensor_ns.using)
 

esphome/components/binary_sensor/binary_sensor.cpp

@@ -15,8 +15,8 @@ void log_binary_sensor(const char *tag, const char *prefix, const char *type, Bi
 
   ESP_LOGCONFIG(tag, "%s%s '%s'", prefix, type, obj->get_name().c_str());
 
-  if (!obj->get_device_class().empty()) {
-    ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class().c_str());
+  if (!obj->get_device_class_ref().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class_ref().c_str());
   }
 }
 

esphome/components/bl0940/__init__.py

@@ -1 +1,6 @@
-CODEOWNERS = ["@tobias-"]
+import esphome.codegen as cg
+
+CODEOWNERS = ["@tobias-", "@dan-s-github"]
+
+CONF_BL0940_ID = "bl0940_id"
+bl0940_ns = cg.esphome_ns.namespace("bl0940")

esphome/components/bl0940/bl0940.cpp

@@ -7,28 +7,26 @@ namespace bl0940 {
 
 static const char *const TAG = "bl0940";
 
-static const uint8_t BL0940_READ_COMMAND = 0x50;  // 0x58 according to documentation
 static const uint8_t BL0940_FULL_PACKET = 0xAA;
-static const uint8_t BL0940_PACKET_HEADER = 0x55;  // 0x58 according to documentation
+static const uint8_t BL0940_PACKET_HEADER = 0x55;  // 0x58 according to en doc but 0x55 in cn doc
 
-static const uint8_t BL0940_WRITE_COMMAND = 0xA0;  // 0xA8 according to documentation
 static const uint8_t BL0940_REG_I_FAST_RMS_CTRL = 0x10;
 static const uint8_t BL0940_REG_MODE = 0x18;
 static const uint8_t BL0940_REG_SOFT_RESET = 0x19;
 static const uint8_t BL0940_REG_USR_WRPROT = 0x1A;
 static const uint8_t BL0940_REG_TPS_CTRL = 0x1B;
 
-const uint8_t BL0940_INIT[5][6] = {
+static const uint8_t BL0940_INIT[5][5] = {
     // Reset to default
-    {BL0940_WRITE_COMMAND, BL0940_REG_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x38},
+    {BL0940_REG_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x38},
     // Enable User Operation Write
-    {BL0940_WRITE_COMMAND, BL0940_REG_USR_WRPROT, 0x55, 0x00, 0x00, 0xF0},
+    {BL0940_REG_USR_WRPROT, 0x55, 0x00, 0x00, 0xF0},
     // 0x0100 = CF_UNABLE energy pulse, AC_FREQ_SEL 50Hz, RMS_UPDATE_SEL 800mS
-    {BL0940_WRITE_COMMAND, BL0940_REG_MODE, 0x00, 0x10, 0x00, 0x37},
+    {BL0940_REG_MODE, 0x00, 0x10, 0x00, 0x37},
     // 0x47FF = Over-current and leakage alarm on, Automatic temperature measurement, Interval 100mS
-    {BL0940_WRITE_COMMAND, BL0940_REG_TPS_CTRL, 0xFF, 0x47, 0x00, 0xFE},
+    {BL0940_REG_TPS_CTRL, 0xFF, 0x47, 0x00, 0xFE},
     // 0x181C = Half cycle, Fast RMS threshold 6172
-    {BL0940_WRITE_COMMAND, BL0940_REG_I_FAST_RMS_CTRL, 0x1C, 0x18, 0x00, 0x1B}};
+    {BL0940_REG_I_FAST_RMS_CTRL, 0x1C, 0x18, 0x00, 0x1B}};
 
 void BL0940::loop() {
   DataPacket buffer;
@@ -36,8 +34,8 @@ void BL0940::loop() {
     return;
   }
   if (read_array((uint8_t *) &buffer, sizeof(buffer))) {
-    if (validate_checksum(&buffer)) {
-      received_package_(&buffer);
+    if (this->validate_checksum_(&buffer)) {
+      this->received_package_(&buffer);
     }
   } else {
     ESP_LOGW(TAG, "Junk on wire. Throwing away partial message");
@@ -46,35 +44,151 @@ void BL0940::loop() {
   }
 }
 
-bool BL0940::validate_checksum(const DataPacket *data) {
-  uint8_t checksum = BL0940_READ_COMMAND;
+bool BL0940::validate_checksum_(DataPacket *data) {
+  uint8_t checksum = this->read_command_;
   // Whole package but checksum
-  for (uint32_t i = 0; i < sizeof(data->raw) - 1; i++) {
-    checksum += data->raw[i];
+  uint8_t *raw = (uint8_t *) data;
+  for (uint32_t i = 0; i < sizeof(*data) - 1; i++) {
+    checksum += raw[i];
   }
   checksum ^= 0xFF;
   if (checksum != data->checksum) {
-    ESP_LOGW(TAG, "BL0940 invalid checksum! 0x%02X != 0x%02X", checksum, data->checksum);
+    ESP_LOGW(TAG, "Invalid checksum! 0x%02X != 0x%02X", checksum, data->checksum);
   }
   return checksum == data->checksum;
 }
 
 void BL0940::update() {
   this->flush();
-  this->write_byte(BL0940_READ_COMMAND);
+  this->write_byte(this->read_command_);
   this->write_byte(BL0940_FULL_PACKET);
 }
 
 void BL0940::setup() {
+#ifdef USE_NUMBER
+  // add calibration callbacks
+  if (this->voltage_calibration_number_ != nullptr) {
+    this->voltage_calibration_number_->add_on_state_callback(
+        [this](float state) { this->voltage_calibration_callback_(state); });
+    if (this->voltage_calibration_number_->has_state()) {
+      this->voltage_calibration_callback_(this->voltage_calibration_number_->state);
+    }
+  }
+
+  if (this->current_calibration_number_ != nullptr) {
+    this->current_calibration_number_->add_on_state_callback(
+        [this](float state) { this->current_calibration_callback_(state); });
+    if (this->current_calibration_number_->has_state()) {
+      this->current_calibration_callback_(this->current_calibration_number_->state);
+    }
+  }
+
+  if (this->power_calibration_number_ != nullptr) {
+    this->power_calibration_number_->add_on_state_callback(
+        [this](float state) { this->power_calibration_callback_(state); });
+    if (this->power_calibration_number_->has_state()) {
+      this->power_calibration_callback_(this->power_calibration_number_->state);
+    }
+  }
+
+  if (this->energy_calibration_number_ != nullptr) {
+    this->energy_calibration_number_->add_on_state_callback(
+        [this](float state) { this->energy_calibration_callback_(state); });
+    if (this->energy_calibration_number_->has_state()) {
+      this->energy_calibration_callback_(this->energy_calibration_number_->state);
+    }
+  }
+#endif
+
+  // calculate calibrated reference values
+  this->voltage_reference_cal_ = this->voltage_reference_ / this->voltage_cal_;
+  this->current_reference_cal_ = this->current_reference_ / this->current_cal_;
+  this->power_reference_cal_ = this->power_reference_ / this->power_cal_;
+  this->energy_reference_cal_ = this->energy_reference_ / this->energy_cal_;
+
   for (auto *i : BL0940_INIT) {
-    this->write_array(i, 6);
+    this->write_byte(this->write_command_), this->write_array(i, 5);
     delay(1);
   }
   this->flush();
 }
 
-float BL0940::update_temp_(sensor::Sensor *sensor, ube16_t temperature) const {
-  auto tb = (float) (temperature.h << 8 | temperature.l);
+float BL0940::calculate_power_reference_() {
+  // calculate power reference based on voltage and current reference
+  return this->voltage_reference_cal_ * this->current_reference_cal_ * 4046 / 324004 / 79931;
+}
+
+float BL0940::calculate_energy_reference_() {
+  // formula: 3600000 * 4046 * RL * R1 * 1000 / (1638.4 * 256) / Vref² / (R1 + R2)
+  // or:  power_reference_ * 3600000 / (1638.4 * 256)
+  return this->power_reference_cal_ * 3600000 / (1638.4 * 256);
+}
+
+float BL0940::calculate_calibration_value_(float state) { return (100 + state) / 100; }
+
+void BL0940::reset_calibration() {
+#ifdef USE_NUMBER
+  if (this->current_calibration_number_ != nullptr && this->current_cal_ != 1) {
+    this->current_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->voltage_calibration_number_ != nullptr && this->voltage_cal_ != 1) {
+    this->voltage_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->power_calibration_number_ != nullptr && this->power_cal_ != 1) {
+    this->power_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->energy_calibration_number_ != nullptr && this->energy_cal_ != 1) {
+    this->energy_calibration_number_->make_call().set_value(0).perform();
+  }
+#endif
+  ESP_LOGD(TAG, "external calibration values restored to initial state");
+}
+
+void BL0940::current_calibration_callback_(float state) {
+  this->current_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update current calibration state: %f", this->current_cal_);
+  this->recalibrate_();
+}
+void BL0940::voltage_calibration_callback_(float state) {
+  this->voltage_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update voltage calibration state: %f", this->voltage_cal_);
+  this->recalibrate_();
+}
+void BL0940::power_calibration_callback_(float state) {
+  this->power_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update power calibration state: %f", this->power_cal_);
+  this->recalibrate_();
+}
+void BL0940::energy_calibration_callback_(float state) {
+  this->energy_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update energy calibration state: %f", this->energy_cal_);
+  this->recalibrate_();
+}
+
+void BL0940::recalibrate_() {
+  ESP_LOGV(TAG, "Recalibrating reference values");
+  this->voltage_reference_cal_ = this->voltage_reference_ / this->voltage_cal_;
+  this->current_reference_cal_ = this->current_reference_ / this->current_cal_;
+
+  if (this->voltage_cal_ != 1 || this->current_cal_ != 1) {
+    this->power_reference_ = this->calculate_power_reference_();
+  }
+  this->power_reference_cal_ = this->power_reference_ / this->power_cal_;
+
+  if (this->voltage_cal_ != 1 || this->current_cal_ != 1 || this->power_cal_ != 1) {
+    this->energy_reference_ = this->calculate_energy_reference_();
+  }
+  this->energy_reference_cal_ = this->energy_reference_ / this->energy_cal_;
+
+  ESP_LOGD(TAG,
+           "Recalibrated reference values:\n"
+           "Voltage: %f\n, Current: %f\n, Power: %f\n, Energy: %f\n",
+           this->voltage_reference_cal_, this->current_reference_cal_, this->power_reference_cal_,
+           this->energy_reference_cal_);
+}
+
+float BL0940::update_temp_(sensor::Sensor *sensor, uint16_le_t temperature) const {
+  auto tb = (float) temperature;
   float converted_temp = ((float) 170 / 448) * (tb / 2 - 32) - 45;
   if (sensor != nullptr) {
     if (sensor->has_state() && std::abs(converted_temp - sensor->get_state()) > max_temperature_diff_) {
@@ -87,33 +201,40 @@ float BL0940::update_temp_(sensor::Sensor *sensor, ube16_t temperature) const {
   return converted_temp;
 }
 
-void BL0940::received_package_(const DataPacket *data) const {
+void BL0940::received_package_(DataPacket *data) {
   // Bad header
   if (data->frame_header != BL0940_PACKET_HEADER) {
     ESP_LOGI(TAG, "Invalid data. Header mismatch: %d", data->frame_header);
     return;
   }
 
-  float v_rms = (float) to_uint32_t(data->v_rms) / voltage_reference_;
-  float i_rms = (float) to_uint32_t(data->i_rms) / current_reference_;
-  float watt = (float) to_int32_t(data->watt) / power_reference_;
-  uint32_t cf_cnt = to_uint32_t(data->cf_cnt);
-  float total_energy_consumption = (float) cf_cnt / energy_reference_;
+  // cf_cnt is only 24 bits, so track overflows
+  uint32_t cf_cnt = (uint24_t) data->cf_cnt;
+  cf_cnt |= this->prev_cf_cnt_ & 0xff000000;
+  if (cf_cnt < this->prev_cf_cnt_) {
+    cf_cnt += 0x1000000;
+  }
+  this->prev_cf_cnt_ = cf_cnt;
 
-  float tps1 = update_temp_(internal_temperature_sensor_, data->tps1);
-  float tps2 = update_temp_(external_temperature_sensor_, data->tps2);
+  float v_rms = (uint24_t) data->v_rms / this->voltage_reference_cal_;
+  float i_rms = (uint24_t) data->i_rms / this->current_reference_cal_;
+  float watt = (int24_t) data->watt / this->power_reference_cal_;
+  float total_energy_consumption = cf_cnt / this->energy_reference_cal_;
 
-  if (voltage_sensor_ != nullptr) {
-    voltage_sensor_->publish_state(v_rms);
+  float tps1 = update_temp_(this->internal_temperature_sensor_, data->tps1);
+  float tps2 = update_temp_(this->external_temperature_sensor_, data->tps2);
+
+  if (this->voltage_sensor_ != nullptr) {
+    this->voltage_sensor_->publish_state(v_rms);
   }
-  if (current_sensor_ != nullptr) {
-    current_sensor_->publish_state(i_rms);
+  if (this->current_sensor_ != nullptr) {
+    this->current_sensor_->publish_state(i_rms);
   }
-  if (power_sensor_ != nullptr) {
-    power_sensor_->publish_state(watt);
+  if (this->power_sensor_ != nullptr) {
+    this->power_sensor_->publish_state(watt);
   }
-  if (energy_sensor_ != nullptr) {
-    energy_sensor_->publish_state(total_energy_consumption);
+  if (this->energy_sensor_ != nullptr) {
+    this->energy_sensor_->publish_state(total_energy_consumption);
   }
 
   ESP_LOGV(TAG, "BL0940: U %fV, I %fA, P %fW, Cnt %" PRId32 ", ∫P %fkWh, T1 %f°C, T2 %f°C", v_rms, i_rms, watt, cf_cnt,
@@ -121,7 +242,27 @@ void BL0940::received_package_(const DataPacket *data) const {
 }
 
 void BL0940::dump_config() {  // NOLINT(readability-function-cognitive-complexity)
-  ESP_LOGCONFIG(TAG, "BL0940:");
+  ESP_LOGCONFIG(TAG,
+                "BL0940:\n"
+                "  LEGACY MODE: %s\n"
+                "  READ  CMD: 0x%02X\n"
+                "  WRITE CMD: 0x%02X\n"
+                "  ------------------\n"
+                "  Current reference: %f\n"
+                "  Energy reference: %f\n"
+                "  Power reference: %f\n"
+                "  Voltage reference: %f\n",
+                TRUEFALSE(this->legacy_mode_enabled_), this->read_command_, this->write_command_,
+                this->current_reference_, this->energy_reference_, this->power_reference_, this->voltage_reference_);
+#ifdef USE_NUMBER
+  ESP_LOGCONFIG(TAG,
+                "BL0940:\n"
+                "  Current calibration: %f\n"
+                "  Energy calibration: %f\n"
+                "  Power calibration: %f\n"
+                "  Voltage calibration: %f\n",
+                this->current_cal_, this->energy_cal_, this->power_cal_, this->voltage_cal_);
+#endif
   LOG_SENSOR("", "Voltage", this->voltage_sensor_);
   LOG_SENSOR("", "Current", this->current_sensor_);
   LOG_SENSOR("", "Power", this->power_sensor_);
@@ -130,9 +271,5 @@ void BL0940::dump_config() {  // NOLINT(readability-function-cognitive-complexit
   LOG_SENSOR("", "External temperature", this->external_temperature_sensor_);
 }
 
-uint32_t BL0940::to_uint32_t(ube24_t input) { return input.h << 16 | input.m << 8 | input.l; }
-
-int32_t BL0940::to_int32_t(sbe24_t input) { return input.h << 16 | input.m << 8 | input.l; }
-
 }  // namespace bl0940
 }  // namespace esphome

esphome/components/bl0940/bl0940.h

@@ -1,66 +1,48 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/components/uart/uart.h"
+#include "esphome/core/datatypes.h"
+#include "esphome/core/defines.h"
+#ifdef USE_BUTTON
+#include "esphome/components/button/button.h"
+#endif
+#ifdef USE_NUMBER
+#include "esphome/components/number/number.h"
+#endif
 #include "esphome/components/sensor/sensor.h"
+#include "esphome/components/uart/uart.h"
 
 namespace esphome {
 namespace bl0940 {
 
-static const float BL0940_PREF = 1430;
-static const float BL0940_UREF = 33000;
-static const float BL0940_IREF = 275000;  // 2750 from tasmota. Seems to generate values 100 times too high
-
-// Measured to 297J  per click according to power consumption of 5 minutes
-// Converted to kWh (3.6MJ per kwH). Used to be 256 * 1638.4
-static const float BL0940_EREF = 3.6e6 / 297;
-
-struct ube24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t m;
-  uint8_t h;
-} __attribute__((packed));
-
-struct ube16_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t h;
-} __attribute__((packed));
-
-struct sbe24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t m;
-  int8_t h;
-} __attribute__((packed));
-
 // Caveat: All these values are big endian (low - middle - high)
-
-union DataPacket {  // NOLINT(altera-struct-pack-align)
-  uint8_t raw[35];
-  struct {
-    uint8_t frame_header;  // value of 0x58 according to docs. 0x55 according to Tasmota real world tests. Reality wins.
-    ube24_t i_fast_rms;    // 0x00
-    ube24_t i_rms;         // 0x04
-    ube24_t RESERVED0;     // reserved
-    ube24_t v_rms;         // 0x06
-    ube24_t RESERVED1;     // reserved
-    sbe24_t watt;          // 0x08
-    ube24_t RESERVED2;     // reserved
-    ube24_t cf_cnt;        // 0x0A
-    ube24_t RESERVED3;     // reserved
-    ube16_t tps1;          // 0x0c
-    uint8_t RESERVED4;     // value of 0x00
-    ube16_t tps2;          // 0x0c
-    uint8_t RESERVED5;     // value of 0x00
-    uint8_t checksum;      // checksum
-  };
+struct DataPacket {
+  uint8_t frame_header;    // Packet header (0x58 in EN docs, 0x55 in CN docs and Tasmota tests)
+  uint24_le_t i_fast_rms;  // Fast RMS current
+  uint24_le_t i_rms;       // RMS current
+  uint24_t RESERVED0;      // Reserved
+  uint24_le_t v_rms;       // RMS voltage
+  uint24_t RESERVED1;      // Reserved
+  int24_le_t watt;         // Active power (can be negative for bidirectional measurement)
+  uint24_t RESERVED2;      // Reserved
+  uint24_le_t cf_cnt;      // Energy pulse count
+  uint24_t RESERVED3;      // Reserved
+  uint16_le_t tps1;        // Internal temperature sensor 1
+  uint8_t RESERVED4;       // Reserved (should be 0x00)
+  uint16_le_t tps2;        // Internal temperature sensor 2
+  uint8_t RESERVED5;       // Reserved (should be 0x00)
+  uint8_t checksum;        // Packet checksum
 } __attribute__((packed));
 
 class BL0940 : public PollingComponent, public uart::UARTDevice {
  public:
+  // Sensor setters
   void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
   void set_current_sensor(sensor::Sensor *current_sensor) { current_sensor_ = current_sensor; }
   void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
   void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
+
+  // Temperature sensor setters
   void set_internal_temperature_sensor(sensor::Sensor *internal_temperature_sensor) {
     internal_temperature_sensor_ = internal_temperature_sensor;
   }
@@ -68,42 +50,105 @@ class BL0940 : public PollingComponent, public uart::UARTDevice {
     external_temperature_sensor_ = external_temperature_sensor;
   }
 
-  void loop() override;
+  // Configuration setters
+  void set_legacy_mode(bool enable) { this->legacy_mode_enabled_ = enable; }
+  void set_read_command(uint8_t read_command) { this->read_command_ = read_command; }
+  void set_write_command(uint8_t write_command) { this->write_command_ = write_command; }
 
+  // Reference value setters (used for calibration and conversion)
+  void set_current_reference(float current_ref) { this->current_reference_ = current_ref; }
+  void set_energy_reference(float energy_ref) { this->energy_reference_ = energy_ref; }
+  void set_power_reference(float power_ref) { this->power_reference_ = power_ref; }
+  void set_voltage_reference(float voltage_ref) { this->voltage_reference_ = voltage_ref; }
+
+#ifdef USE_NUMBER
+  // Calibration number setters (for Home Assistant number entities)
+  void set_current_calibration_number(number::Number *num) { this->current_calibration_number_ = num; }
+  void set_voltage_calibration_number(number::Number *num) { this->voltage_calibration_number_ = num; }
+  void set_power_calibration_number(number::Number *num) { this->power_calibration_number_ = num; }
+  void set_energy_calibration_number(number::Number *num) { this->energy_calibration_number_ = num; }
+#endif
+
+#ifdef USE_BUTTON
+  // Resets all calibration values to defaults (can be triggered by a button)
+  void reset_calibration();
+#endif
+
+  // Core component methods
+  void loop() override;
   void update() override;
   void setup() override;
   void dump_config() override;
 
  protected:
-  sensor::Sensor *voltage_sensor_{nullptr};
-  sensor::Sensor *current_sensor_{nullptr};
-  // NB This may be negative as the circuits is seemingly able to measure
-  // power in both directions
-  sensor::Sensor *power_sensor_{nullptr};
-  sensor::Sensor *energy_sensor_{nullptr};
-  sensor::Sensor *internal_temperature_sensor_{nullptr};
-  sensor::Sensor *external_temperature_sensor_{nullptr};
+  // --- Sensor pointers ---
+  sensor::Sensor *voltage_sensor_{nullptr};               // Voltage sensor
+  sensor::Sensor *current_sensor_{nullptr};               // Current sensor
+  sensor::Sensor *power_sensor_{nullptr};                 // Power sensor (can be negative for bidirectional)
+  sensor::Sensor *energy_sensor_{nullptr};                // Energy sensor
+  sensor::Sensor *internal_temperature_sensor_{nullptr};  // Internal temperature sensor
+  sensor::Sensor *external_temperature_sensor_{nullptr};  // External temperature sensor
 
-  // Max difference between two measurements of the temperature. Used to avoid noise.
-  float max_temperature_diff_{0};
-  // Divide by this to turn into Watt
-  float power_reference_ = BL0940_PREF;
-  // Divide by this to turn into Volt
-  float voltage_reference_ = BL0940_UREF;
-  // Divide by this to turn into Ampere
-  float current_reference_ = BL0940_IREF;
-  // Divide by this to turn into kWh
-  float energy_reference_ = BL0940_EREF;
+#ifdef USE_NUMBER
+  // --- Calibration number entities (for dynamic calibration via HA UI) ---
+  number::Number *voltage_calibration_number_{nullptr};
+  number::Number *current_calibration_number_{nullptr};
+  number::Number *power_calibration_number_{nullptr};
+  number::Number *energy_calibration_number_{nullptr};
+#endif
 
-  float update_temp_(sensor::Sensor *sensor, ube16_t packed_temperature) const;
+  // --- Internal state ---
+  uint32_t prev_cf_cnt_ = 0;       // Previous energy pulse count (for energy calculation)
+  float max_temperature_diff_{0};  // Max allowed temperature difference between two measurements (noise filter)
 
-  static uint32_t to_uint32_t(ube24_t input);
+  // --- Reference values for conversion ---
+  float power_reference_;        // Divider for raw power to get Watts
+  float power_reference_cal_;    // Calibrated power reference
+  float voltage_reference_;      // Divider for raw voltage to get Volts
+  float voltage_reference_cal_;  // Calibrated voltage reference
+  float current_reference_;      // Divider for raw current to get Amperes
+  float current_reference_cal_;  // Calibrated current reference
+  float energy_reference_;       // Divider for raw energy to get kWh
+  float energy_reference_cal_;   // Calibrated energy reference
 
-  static int32_t to_int32_t(sbe24_t input);
+  // --- Home Assistant calibration values (multipliers, default 1) ---
+  float current_cal_{1};
+  float voltage_cal_{1};
+  float power_cal_{1};
+  float energy_cal_{1};
 
-  static bool validate_checksum(const DataPacket *data);
+  // --- Protocol commands ---
+  uint8_t read_command_;
+  uint8_t write_command_;
 
-  void received_package_(const DataPacket *data) const;
+  // --- Mode flags ---
+  bool legacy_mode_enabled_ = true;
+
+  // --- Methods ---
+  // Converts packed temperature value to float and updates the sensor
+  float update_temp_(sensor::Sensor *sensor, uint16_le_t packed_temperature) const;
+
+  // Validates the checksum of a received data packet
+  bool validate_checksum_(DataPacket *data);
+
+  // Handles a received data packet
+  void received_package_(DataPacket *data);
+
+  // Calculates reference values for calibration and conversion
+  float calculate_energy_reference_();
+  float calculate_power_reference_();
+  float calculate_calibration_value_(float state);
+
+  // Calibration update callbacks (used with number entities)
+  void current_calibration_callback_(float state);
+  void voltage_calibration_callback_(float state);
+  void power_calibration_callback_(float state);
+  void energy_calibration_callback_(float state);
+  void reset_calibration_callback_();
+
+  // Recalculates all reference values after calibration changes
+  void recalibrate_();
 };
+
 }  // namespace bl0940
 }  // namespace esphome

esphome/components/bl0940/button/__init__.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components import button
+import esphome.config_validation as cv
+from esphome.const import ENTITY_CATEGORY_CONFIG, ICON_RESTART
+
+from .. import CONF_BL0940_ID, bl0940_ns
+from ..sensor import BL0940
+
+CalibrationResetButton = bl0940_ns.class_(
+    "CalibrationResetButton", button.Button, cg.Component
+)
+
+CONFIG_SCHEMA = cv.All(
+    button.button_schema(
+        CalibrationResetButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon=ICON_RESTART,
+    )
+    .extend({cv.GenerateID(CONF_BL0940_ID): cv.use_id(BL0940)})
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+
+async def to_code(config):
+    var = await button.new_button(config)
+    await cg.register_component(var, config)
+    await cg.register_parented(var, config[CONF_BL0940_ID])

esphome/components/bl0940/button/calibration_reset_button.cpp

@@ -0,0 +1,20 @@
+#include "calibration_reset_button.h"
+#include "../bl0940.h"
+#include "esphome/core/hal.h"
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+
+namespace esphome {
+namespace bl0940 {
+
+static const char *const TAG = "bl0940.button.calibration_reset";
+
+void CalibrationResetButton::dump_config() { LOG_BUTTON("", "Calibration Reset Button", this); }
+
+void CalibrationResetButton::press_action() {
+  ESP_LOGI(TAG, "Resetting calibration defaults...");
+  this->parent_->reset_calibration();
+}
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/button/calibration_reset_button.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/button/button.h"
+
+namespace esphome {
+namespace bl0940 {
+
+class BL0940;  // Forward declaration of BL0940 class
+
+class CalibrationResetButton : public button::Button, public Component, public Parented<BL0940> {
+ public:
+  void dump_config() override;
+
+  void press_action() override;
+};
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/number/__init__.py

@@ -0,0 +1,94 @@
+import esphome.codegen as cg
+from esphome.components import number
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_MAX_VALUE,
+    CONF_MIN_VALUE,
+    CONF_MODE,
+    CONF_RESTORE_VALUE,
+    CONF_STEP,
+    ENTITY_CATEGORY_CONFIG,
+    UNIT_PERCENT,
+)
+
+from .. import CONF_BL0940_ID, bl0940_ns
+from ..sensor import BL0940
+
+# Define calibration types
+CONF_CURRENT_CALIBRATION = "current_calibration"
+CONF_VOLTAGE_CALIBRATION = "voltage_calibration"
+CONF_POWER_CALIBRATION = "power_calibration"
+CONF_ENERGY_CALIBRATION = "energy_calibration"
+
+BL0940Number = bl0940_ns.class_("BL0940Number")
+
+CalibrationNumber = bl0940_ns.class_(
+    "CalibrationNumber", number.Number, cg.PollingComponent
+)
+
+
+def validate_min_max(config):
+    if config[CONF_MAX_VALUE] <= config[CONF_MIN_VALUE]:
+        raise cv.Invalid("max_value must be greater than min_value")
+    return config
+
+
+CALIBRATION_SCHEMA = cv.All(
+    number.number_schema(
+        CalibrationNumber,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        unit_of_measurement=UNIT_PERCENT,
+    )
+    .extend(
+        {
+            cv.Optional(CONF_MODE, default="BOX"): cv.enum(number.NUMBER_MODES),
+            cv.Optional(CONF_MAX_VALUE, default=10): cv.All(
+                cv.float_, cv.Range(max=50)
+            ),
+            cv.Optional(CONF_MIN_VALUE, default=-10): cv.All(
+                cv.float_, cv.Range(min=-50)
+            ),
+            cv.Optional(CONF_STEP, default=0.1): cv.positive_float,
+            cv.Optional(CONF_RESTORE_VALUE): cv.boolean,
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA),
+    validate_min_max,
+)
+
+# Configuration schema for BL0940 numbers
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(BL0940Number),
+        cv.GenerateID(CONF_BL0940_ID): cv.use_id(BL0940),
+        cv.Optional(CONF_CURRENT_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_VOLTAGE_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_POWER_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_ENERGY_CALIBRATION): CALIBRATION_SCHEMA,
+    }
+)
+
+
+async def to_code(config):
+    # Get the BL0940 component instance
+    bl0940 = await cg.get_variable(config[CONF_BL0940_ID])
+
+    # Process all calibration types
+    for cal_type, setter_method in [
+        (CONF_CURRENT_CALIBRATION, "set_current_calibration_number"),
+        (CONF_VOLTAGE_CALIBRATION, "set_voltage_calibration_number"),
+        (CONF_POWER_CALIBRATION, "set_power_calibration_number"),
+        (CONF_ENERGY_CALIBRATION, "set_energy_calibration_number"),
+    ]:
+        if conf := config.get(cal_type):
+            var = await number.new_number(
+                conf,
+                min_value=conf.get(CONF_MIN_VALUE),
+                max_value=conf.get(CONF_MAX_VALUE),
+                step=conf.get(CONF_STEP),
+            )
+            await cg.register_component(var, conf)
+
+            if restore_value := config.get(CONF_RESTORE_VALUE):
+                cg.add(var.set_restore_value(restore_value))
+            cg.add(getattr(bl0940, setter_method)(var))

esphome/components/bl0940/number/calibration_number.cpp

@@ -0,0 +1,29 @@
+#include "calibration_number.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace bl0940 {
+
+static const char *const TAG = "bl0940.number";
+
+void CalibrationNumber::setup() {
+  float value = 0.0f;
+  if (this->restore_value_) {
+    this->pref_ = global_preferences->make_preference<float>(this->get_object_id_hash());
+    if (!this->pref_.load(&value)) {
+      value = 0.0f;
+    }
+  }
+  this->publish_state(value);
+}
+
+void CalibrationNumber::control(float value) {
+  this->publish_state(value);
+  if (this->restore_value_)
+    this->pref_.save(&value);
+}
+
+void CalibrationNumber::dump_config() { LOG_NUMBER("", "Calibration Number", this); }
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/number/calibration_number.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "esphome/components/number/number.h"
+#include "esphome/core/component.h"
+#include "esphome/core/preferences.h"
+
+namespace esphome {
+namespace bl0940 {
+
+class CalibrationNumber : public number::Number, public Component {
+ public:
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+
+  void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
+
+ protected:
+  void control(float value) override;
+  bool restore_value_{true};
+
+  ESPPreferenceObject pref_;
+};
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/sensor.py

@@ -8,6 +8,7 @@ from esphome.const import (
     CONF_ID,
     CONF_INTERNAL_TEMPERATURE,
     CONF_POWER,
+    CONF_REFERENCE_VOLTAGE,
     CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
@@ -23,12 +24,133 @@ from esphome.const import (
     UNIT_WATT,
 )
 
+from . import bl0940_ns
+
 DEPENDENCIES = ["uart"]
 
-
-bl0940_ns = cg.esphome_ns.namespace("bl0940")
 BL0940 = bl0940_ns.class_("BL0940", cg.PollingComponent, uart.UARTDevice)
 
+CONF_LEGACY_MODE = "legacy_mode"
+
+CONF_READ_COMMAND = "read_command"
+CONF_WRITE_COMMAND = "write_command"
+
+CONF_RESISTOR_SHUNT = "resistor_shunt"
+CONF_RESISTOR_ONE = "resistor_one"
+CONF_RESISTOR_TWO = "resistor_two"
+
+CONF_CURRENT_REFERENCE = "current_reference"
+CONF_ENERGY_REFERENCE = "energy_reference"
+CONF_POWER_REFERENCE = "power_reference"
+CONF_VOLTAGE_REFERENCE = "voltage_reference"
+
+DEFAULT_BL0940_READ_COMMAND = 0x58
+DEFAULT_BL0940_WRITE_COMMAND = 0xA1
+
+# Values according to BL0940 application note:
+# https://www.belling.com.cn/media/file_object/bel_product/BL0940/guide/BL0940_APPNote_TSSOP14_V1.04_EN.pdf
+DEFAULT_BL0940_VREF = 1.218  # Vref = 1.218
+DEFAULT_BL0940_RL = 1  # RL = 1 mΩ
+DEFAULT_BL0940_R1 = 0.51  # R1 = 0.51 kΩ
+DEFAULT_BL0940_R2 = 1950  # R2 = 5 x 390 kΩ -> 1950 kΩ
+
+# ----------------------------------------------------
+# values from initial implementation
+DEFAULT_BL0940_LEGACY_READ_COMMAND = 0x50
+DEFAULT_BL0940_LEGACY_WRITE_COMMAND = 0xA0
+
+DEFAULT_BL0940_LEGACY_UREF = 33000
+DEFAULT_BL0940_LEGACY_IREF = 275000
+DEFAULT_BL0940_LEGACY_PREF = 1430
+# Measured to 297J  per click according to power consumption of 5 minutes
+# Converted to kWh (3.6MJ per kwH). Used to be 256 * 1638.4
+DEFAULT_BL0940_LEGACY_EREF = 3.6e6 / 297
+# ----------------------------------------------------
+
+
+# methods to calculate voltage and current reference values
+def calculate_voltage_reference(vref, r_one, r_two):
+    # formula: 79931 / Vref * (R1 * 1000) / (R1 + R2)
+    return 79931 / vref * (r_one * 1000) / (r_one + r_two)
+
+
+def calculate_current_reference(vref, r_shunt):
+    # formula: 324004 * RL / Vref
+    return 324004 * r_shunt / vref
+
+
+def calculate_power_reference(voltage_reference, current_reference):
+    # calculate power reference based on voltage and current reference
+    return voltage_reference * current_reference * 4046 / 324004 / 79931
+
+
+def calculate_energy_reference(power_reference):
+    # formula: power_reference * 3600000 / (1638.4 * 256)
+    return power_reference * 3600000 / (1638.4 * 256)
+
+
+def validate_legacy_mode(config):
+    # Only allow schematic calibration options if legacy_mode is False
+    if config.get(CONF_LEGACY_MODE, True):
+        forbidden = [
+            CONF_REFERENCE_VOLTAGE,
+            CONF_RESISTOR_SHUNT,
+            CONF_RESISTOR_ONE,
+            CONF_RESISTOR_TWO,
+        ]
+        for key in forbidden:
+            if key in config:
+                raise cv.Invalid(
+                    f"Option '{key}' is only allowed when legacy_mode: false"
+                )
+    return config
+
+
+def set_command_defaults(config):
+    # Set defaults for read_command and write_command based on legacy_mode
+    legacy = config.get(CONF_LEGACY_MODE, True)
+    if legacy:
+        config.setdefault(CONF_READ_COMMAND, DEFAULT_BL0940_LEGACY_READ_COMMAND)
+        config.setdefault(CONF_WRITE_COMMAND, DEFAULT_BL0940_LEGACY_WRITE_COMMAND)
+    else:
+        config.setdefault(CONF_READ_COMMAND, DEFAULT_BL0940_READ_COMMAND)
+        config.setdefault(CONF_WRITE_COMMAND, DEFAULT_BL0940_WRITE_COMMAND)
+    return config
+
+
+def set_reference_values(config):
+    # Set default reference values based on legacy_mode
+    if config.get(CONF_LEGACY_MODE, True):
+        config.setdefault(CONF_VOLTAGE_REFERENCE, DEFAULT_BL0940_LEGACY_UREF)
+        config.setdefault(CONF_CURRENT_REFERENCE, DEFAULT_BL0940_LEGACY_IREF)
+        config.setdefault(CONF_POWER_REFERENCE, DEFAULT_BL0940_LEGACY_PREF)
+        config.setdefault(CONF_ENERGY_REFERENCE, DEFAULT_BL0940_LEGACY_PREF)
+    else:
+        vref = config.get(CONF_VOLTAGE_REFERENCE, DEFAULT_BL0940_VREF)
+        r_one = config.get(CONF_RESISTOR_ONE, DEFAULT_BL0940_R1)
+        r_two = config.get(CONF_RESISTOR_TWO, DEFAULT_BL0940_R2)
+        r_shunt = config.get(CONF_RESISTOR_SHUNT, DEFAULT_BL0940_RL)
+
+        config.setdefault(
+            CONF_VOLTAGE_REFERENCE, calculate_voltage_reference(vref, r_one, r_two)
+        )
+        config.setdefault(
+            CONF_CURRENT_REFERENCE, calculate_current_reference(vref, r_shunt)
+        )
+        config.setdefault(
+            CONF_POWER_REFERENCE,
+            calculate_power_reference(
+                config.get(CONF_VOLTAGE_REFERENCE), config.get(CONF_CURRENT_REFERENCE)
+            ),
+        )
+        config.setdefault(
+            CONF_ENERGY_REFERENCE,
+            calculate_energy_reference(config.get(CONF_POWER_REFERENCE)),
+        )
+
+    return config
+
+
 CONFIG_SCHEMA = (
     cv.Schema(
         {
@@ -69,10 +191,24 @@ CONFIG_SCHEMA = (
                 device_class=DEVICE_CLASS_TEMPERATURE,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_LEGACY_MODE, default=True): cv.boolean,
+            cv.Optional(CONF_READ_COMMAND): cv.hex_uint8_t,
+            cv.Optional(CONF_WRITE_COMMAND): cv.hex_uint8_t,
+            cv.Optional(CONF_REFERENCE_VOLTAGE): cv.float_,
+            cv.Optional(CONF_RESISTOR_SHUNT): cv.float_,
+            cv.Optional(CONF_RESISTOR_ONE): cv.float_,
+            cv.Optional(CONF_RESISTOR_TWO): cv.float_,
+            cv.Optional(CONF_CURRENT_REFERENCE): cv.float_,
+            cv.Optional(CONF_ENERGY_REFERENCE): cv.float_,
+            cv.Optional(CONF_POWER_REFERENCE): cv.float_,
+            cv.Optional(CONF_VOLTAGE_REFERENCE): cv.float_,
         }
     )
     .extend(cv.polling_component_schema("60s"))
     .extend(uart.UART_DEVICE_SCHEMA)
+    .add_extra(validate_legacy_mode)
+    .add_extra(set_command_defaults)
+    .add_extra(set_reference_values)
 )
 
 
@@ -99,3 +235,16 @@ async def to_code(config):
     if external_temperature_config := config.get(CONF_EXTERNAL_TEMPERATURE):
         sens = await sensor.new_sensor(external_temperature_config)
         cg.add(var.set_external_temperature_sensor(sens))
+
+    # enable legacy mode
+    cg.add(var.set_legacy_mode(config.get(CONF_LEGACY_MODE)))
+
+    # Set bl0940 commands after validator has determined which defaults to use if not set
+    cg.add(var.set_read_command(config.get(CONF_READ_COMMAND)))
+    cg.add(var.set_write_command(config.get(CONF_WRITE_COMMAND)))
+
+    # Set reference values after validator has set the values either from defaults or calculated
+    cg.add(var.set_current_reference(config.get(CONF_CURRENT_REFERENCE)))
+    cg.add(var.set_voltage_reference(config.get(CONF_VOLTAGE_REFERENCE)))
+    cg.add(var.set_power_reference(config.get(CONF_POWER_REFERENCE)))
+    cg.add(var.set_energy_reference(config.get(CONF_ENERGY_REFERENCE)))

esphome/components/bl0942/bl0942.cpp

@@ -149,7 +149,7 @@ void BL0942::setup() {
   this->write_reg_(BL0942_REG_USR_WRPROT, 0);
 
   if (this->read_reg_(BL0942_REG_MODE) != mode)
-    this->status_set_warning("BL0942 setup failed!");
+    this->status_set_warning(LOG_STR("BL0942 setup failed!"));
 
   this->flush();
 }

esphome/components/bluetooth_proxy/__init__.py

@@ -80,7 +80,7 @@ CONFIG_SCHEMA = cv.All(
         cv.Schema(
             {
                 cv.GenerateID(): cv.declare_id(BluetoothProxy),
-                cv.Optional(CONF_ACTIVE, default=False): cv.boolean,
+                cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
                 cv.SplitDefault(CONF_CACHE_SERVICES, esp32_idf=True): cv.All(
                     cv.only_with_esp_idf, cv.boolean
                 ),

esphome/components/bluetooth_proxy/bluetooth_proxy.cpp

@@ -24,6 +24,9 @@ void BluetoothProxy::setup() {
   this->connections_free_response_.limit = BLUETOOTH_PROXY_MAX_CONNECTIONS;
   this->connections_free_response_.free = BLUETOOTH_PROXY_MAX_CONNECTIONS;
 
+  // Capture the configured scan mode from YAML before any API changes
+  this->configured_scan_active_ = this->parent_->get_scan_active();
+
   this->parent_->add_scanner_state_callback([this](esp32_ble_tracker::ScannerState state) {
     if (this->api_connection_ != nullptr) {
       this->send_bluetooth_scanner_state_(state);
@@ -36,6 +39,9 @@ void BluetoothProxy::send_bluetooth_scanner_state_(esp32_ble_tracker::ScannerSta
   resp.state = static_cast<api::enums::BluetoothScannerState>(state);
   resp.mode = this->parent_->get_scan_active() ? api::enums::BluetoothScannerMode::BLUETOOTH_SCANNER_MODE_ACTIVE
                                                : api::enums::BluetoothScannerMode::BLUETOOTH_SCANNER_MODE_PASSIVE;
+  resp.configured_mode = this->configured_scan_active_
+                             ? api::enums::BluetoothScannerMode::BLUETOOTH_SCANNER_MODE_ACTIVE
+                             : api::enums::BluetoothScannerMode::BLUETOOTH_SCANNER_MODE_PASSIVE;
   this->api_connection_->send_message(resp, api::BluetoothScannerStateResponse::MESSAGE_TYPE);
 }
 
@@ -183,6 +189,12 @@ void BluetoothProxy::bluetooth_device_request(const api::BluetoothDeviceRequest
         this->send_device_connection(msg.address, false);
         return;
       }
+      if (!msg.has_address_type) {
+        ESP_LOGE(TAG, "[%d] [%s] Missing address type in connect request", connection->get_connection_index(),
+                 connection->address_str().c_str());
+        this->send_device_connection(msg.address, false);
+        return;
+      }
       if (connection->state() == espbt::ClientState::CONNECTED ||
           connection->state() == espbt::ClientState::ESTABLISHED) {
         this->log_connection_request_ignored_(connection, connection->state());
@@ -209,13 +221,9 @@ void BluetoothProxy::bluetooth_device_request(const api::BluetoothDeviceRequest
         connection->set_connection_type(espbt::ConnectionType::V3_WITHOUT_CACHE);
         this->log_connection_info_(connection, "v3 without cache");
       }
-      if (msg.has_address_type) {
-        uint64_to_bd_addr(msg.address, connection->remote_bda_);
-        connection->set_remote_addr_type(static_cast<esp_ble_addr_type_t>(msg.address_type));
-        connection->set_state(espbt::ClientState::DISCOVERED);
-      } else {
-        connection->set_state(espbt::ClientState::SEARCHING);
-      }
+      uint64_to_bd_addr(msg.address, connection->remote_bda_);
+      connection->set_remote_addr_type(static_cast<esp_ble_addr_type_t>(msg.address_type));
+      connection->set_state(espbt::ClientState::DISCOVERED);
       this->send_connections_free();
       break;
     }

esphome/components/bluetooth_proxy/bluetooth_proxy.h

@@ -161,7 +161,8 @@ class BluetoothProxy final : public esp32_ble_tracker::ESPBTDeviceListener, publ
   // Group 4: 1-byte types grouped together
   bool active_;
   uint8_t connection_count_{0};
-  // 2 bytes used, 2 bytes padding
+  bool configured_scan_active_{false};  // Configured scan mode from YAML
+  // 3 bytes used, 1 byte padding
 };
 
 extern BluetoothProxy *global_bluetooth_proxy;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)

esphome/components/button/__init__.py

@@ -17,7 +17,7 @@ from esphome.const import (
     DEVICE_CLASS_RESTART,
     DEVICE_CLASS_UPDATE,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 
@@ -134,6 +134,6 @@ async def button_press_to_code(config, action_id, template_arg, args):
     return cg.new_Pvariable(action_id, template_arg, paren)
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(button_ns.using)

esphome/components/button/button.cpp

@@ -14,8 +14,8 @@ void log_button(const char *tag, const char *prefix, const char *type, Button *o
 
   ESP_LOGCONFIG(tag, "%s%s '%s'", prefix, type, obj->get_name().c_str());
 
-  if (!obj->get_icon().empty()) {
-    ESP_LOGCONFIG(tag, "%s  Icon: '%s'", prefix, obj->get_icon().c_str());
+  if (!obj->get_icon_ref().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Icon: '%s'", prefix, obj->get_icon_ref().c_str());
   }
 }
 

esphome/components/camera/buffer.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <cinttypes>
+#include <cstddef>
+
+namespace esphome::camera {
+
+/// Interface for a generic buffer that stores image data.
+class Buffer {
+ public:
+  /// Returns a pointer to the buffer's data.
+  virtual uint8_t *get_data_buffer() = 0;
+  /// Returns the length of the buffer in bytes.
+  virtual size_t get_data_length() = 0;
+  virtual ~Buffer() = default;
+};
+
+}  // namespace esphome::camera

esphome/components/camera/buffer_impl.cpp

@@ -0,0 +1,20 @@
+#include "buffer_impl.h"
+
+namespace esphome::camera {
+
+BufferImpl::BufferImpl(size_t size) {
+  this->data_ = this->allocator_.allocate(size);
+  this->size_ = size;
+}
+
+BufferImpl::BufferImpl(CameraImageSpec *spec) {
+  this->data_ = this->allocator_.allocate(spec->bytes_per_image());
+  this->size_ = spec->bytes_per_image();
+}
+
+BufferImpl::~BufferImpl() {
+  if (this->data_ != nullptr)
+    this->allocator_.deallocate(this->data_, this->size_);
+}
+
+}  // namespace esphome::camera

esphome/components/camera/buffer_impl.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "buffer.h"
+#include "camera.h"
+
+namespace esphome::camera {
+
+/// Default implementation of Buffer Interface.
+/// Uses a RAMAllocator for memory reservation.
+class BufferImpl : public Buffer {
+ public:
+  explicit BufferImpl(size_t size);
+  explicit BufferImpl(CameraImageSpec *spec);
+  // -------- Buffer --------
+  uint8_t *get_data_buffer() override { return data_; }
+  size_t get_data_length() override { return size_; }
+  // ------------------------
+  ~BufferImpl() override;
+
+ protected:
+  RAMAllocator<uint8_t> allocator_;
+  size_t size_{};
+  uint8_t *data_{};
+};
+
+}  // namespace esphome::camera

esphome/components/camera/camera.h

@@ -15,6 +15,26 @@ namespace camera {
  */
 enum CameraRequester : uint8_t { IDLE, API_REQUESTER, WEB_REQUESTER };
 
+/// Enumeration of different pixel formats.
+enum PixelFormat : uint8_t {
+  PIXEL_FORMAT_GRAYSCALE = 0,  ///< 8-bit grayscale.
+  PIXEL_FORMAT_RGB565,         ///< 16-bit RGB (5-6-5).
+  PIXEL_FORMAT_BGR888,         ///< RGB pixel data in 8-bit format, stored as B, G, R (1 byte each).
+};
+
+/// Returns string name for a given PixelFormat.
+inline const char *to_string(PixelFormat format) {
+  switch (format) {
+    case PIXEL_FORMAT_GRAYSCALE:
+      return "PIXEL_FORMAT_GRAYSCALE";
+    case PIXEL_FORMAT_RGB565:
+      return "PIXEL_FORMAT_RGB565";
+    case PIXEL_FORMAT_BGR888:
+      return "PIXEL_FORMAT_BGR888";
+  }
+  return "PIXEL_FORMAT_UNKNOWN";
+}
+
 /** Abstract camera image base class.
  *  Encapsulates the JPEG encoded data and it is shared among
  *  all connected clients.
@@ -43,6 +63,29 @@ class CameraImageReader {
   virtual ~CameraImageReader() {}
 };
 
+/// Specification of a caputured camera image.
+/// This struct defines the format and size details for images captured
+/// or processed by a camera component.
+struct CameraImageSpec {
+  uint16_t width;
+  uint16_t height;
+  PixelFormat format;
+  size_t bytes_per_pixel() {
+    switch (format) {
+      case PIXEL_FORMAT_GRAYSCALE:
+        return 1;
+      case PIXEL_FORMAT_RGB565:
+        return 2;
+      case PIXEL_FORMAT_BGR888:
+        return 3;
+    }
+
+    return 1;
+  }
+  size_t bytes_per_row() { return bytes_per_pixel() * width; }
+  size_t bytes_per_image() { return bytes_per_pixel() * width * height; }
+};
+
 /** Abstract camera base class. Collaborates with API.
  *  1) API server starts and installs callback (add_image_callback)
  *     which is called by the camera when a new image is available.

esphome/components/camera/encoder.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include "buffer.h"
+#include "camera.h"
+
+namespace esphome::camera {
+
+/// Result codes from the encoder used to control camera pipeline flow.
+enum EncoderError : uint8_t {
+  ENCODER_ERROR_SUCCESS = 0,   ///< Encoding succeeded, continue pipeline normally.
+  ENCODER_ERROR_SKIP_FRAME,    ///< Skip current frame, try again on next frame.
+  ENCODER_ERROR_RETRY_FRAME,   ///< Retry current frame, after buffer growth or for incremental encoding.
+  ENCODER_ERROR_CONFIGURATION  ///< Fatal config error, shut down pipeline.
+};
+
+/// Converts EncoderError to string.
+inline const char *to_string(EncoderError error) {
+  switch (error) {
+    case ENCODER_ERROR_SUCCESS:
+      return "ENCODER_ERROR_SUCCESS";
+    case ENCODER_ERROR_SKIP_FRAME:
+      return "ENCODER_ERROR_SKIP_FRAME";
+    case ENCODER_ERROR_RETRY_FRAME:
+      return "ENCODER_ERROR_RETRY_FRAME";
+    case ENCODER_ERROR_CONFIGURATION:
+      return "ENCODER_ERROR_CONFIGURATION";
+  }
+  return "ENCODER_ERROR_INVALID";
+}
+
+/// Interface for an encoder buffer supporting resizing and variable-length data.
+class EncoderBuffer {
+ public:
+  ///  Sets logical buffer size, reallocates if needed.
+  ///  @param size Required size in bytes.
+  ///  @return true on success, false on allocation failure.
+  virtual bool set_buffer_size(size_t size) = 0;
+
+  /// Returns a pointer to the buffer data.
+  virtual uint8_t *get_data() const = 0;
+
+  /// Returns number of bytes currently used.
+  virtual size_t get_size() const = 0;
+
+  ///  Returns total allocated buffer size.
+  virtual size_t get_max_size() const = 0;
+
+  virtual ~EncoderBuffer() = default;
+};
+
+/// Interface for image encoders used in a camera pipeline.
+class Encoder {
+ public:
+  /// Encodes pixel data from a previous camera pipeline stage.
+  /// @param spec Specification of the input pixel data.
+  /// @param pixels Image pixels in RGB or grayscale format, as specified in @p spec.
+  /// @return EncoderError Indicating the result of the encoding operation.
+  virtual EncoderError encode_pixels(CameraImageSpec *spec, Buffer *pixels) = 0;
+
+  /// Returns the encoder's output buffer.
+  /// @return Pointer to an EncoderBuffer containing encoded data.
+  virtual EncoderBuffer *get_output_buffer() = 0;
+
+  ///  Prints the encoder's configuration to the log.
+  virtual void dump_config() = 0;
+  virtual ~Encoder() = default;
+};
+
+}  // namespace esphome::camera

esphome/components/camera_encoder/__init__.py

@@ -0,0 +1,62 @@
+import esphome.codegen as cg
+from esphome.components.esp32 import add_idf_component
+import esphome.config_validation as cv
+from esphome.const import CONF_BUFFER_SIZE, CONF_ID, CONF_TYPE
+from esphome.core import CORE
+from esphome.types import ConfigType
+
+CODEOWNERS = ["@DT-art1"]
+
+AUTO_LOAD = ["camera"]
+
+CONF_BUFFER_EXPAND_SIZE = "buffer_expand_size"
+CONF_ENCODER_BUFFER_ID = "encoder_buffer_id"
+CONF_QUALITY = "quality"
+
+ESP32_CAMERA_ENCODER = "esp32_camera"
+
+camera_ns = cg.esphome_ns.namespace("camera")
+camera_encoder_ns = cg.esphome_ns.namespace("camera_encoder")
+
+Encoder = camera_ns.class_("Encoder")
+EncoderBufferImpl = camera_encoder_ns.class_("EncoderBufferImpl")
+
+ESP32CameraJPEGEncoder = camera_encoder_ns.class_("ESP32CameraJPEGEncoder", Encoder)
+
+MAX_JPEG_BUFFER_SIZE_2MB = 2 * 1024 * 1024
+
+ESP32_CAMERA_ENCODER_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(ESP32CameraJPEGEncoder),
+        cv.Optional(CONF_QUALITY, default=80): cv.int_range(1, 100),
+        cv.Optional(CONF_BUFFER_SIZE, default=4096): cv.int_range(
+            1024, MAX_JPEG_BUFFER_SIZE_2MB
+        ),
+        cv.Optional(CONF_BUFFER_EXPAND_SIZE, default=1024): cv.int_range(
+            0, MAX_JPEG_BUFFER_SIZE_2MB
+        ),
+        cv.GenerateID(CONF_ENCODER_BUFFER_ID): cv.declare_id(EncoderBufferImpl),
+    }
+)
+
+CONFIG_SCHEMA = cv.typed_schema(
+    {
+        ESP32_CAMERA_ENCODER: ESP32_CAMERA_ENCODER_SCHEMA,
+    },
+    default_type=ESP32_CAMERA_ENCODER,
+)
+
+
+async def to_code(config: ConfigType) -> None:
+    buffer = cg.new_Pvariable(config[CONF_ENCODER_BUFFER_ID])
+    cg.add(buffer.set_buffer_size(config[CONF_BUFFER_SIZE]))
+    if config[CONF_TYPE] == ESP32_CAMERA_ENCODER:
+        if CORE.using_esp_idf:
+            add_idf_component(name="espressif/esp32-camera", ref="2.1.0")
+        cg.add_build_flag("-DUSE_ESP32_CAMERA_JPEG_ENCODER")
+        var = cg.new_Pvariable(
+            config[CONF_ID],
+            config[CONF_QUALITY],
+            buffer,
+        )
+        cg.add(var.set_buffer_expand_size(config[CONF_BUFFER_EXPAND_SIZE]))

esphome/components/camera_encoder/encoder_buffer_impl.cpp

@@ -0,0 +1,23 @@
+#include "encoder_buffer_impl.h"
+
+namespace esphome::camera_encoder {
+
+bool EncoderBufferImpl::set_buffer_size(size_t size) {
+  if (size > this->capacity_) {
+    uint8_t *p = this->allocator_.reallocate(this->data_, size);
+    if (p == nullptr)
+      return false;
+
+    this->data_ = p;
+    this->capacity_ = size;
+  }
+  this->size_ = size;
+  return true;
+}
+
+EncoderBufferImpl::~EncoderBufferImpl() {
+  if (this->data_ != nullptr)
+    this->allocator_.deallocate(this->data_, this->capacity_);
+}
+
+}  // namespace esphome::camera_encoder

esphome/components/camera_encoder/encoder_buffer_impl.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "esphome/components/camera/encoder.h"
+#include "esphome/core/helpers.h"
+
+namespace esphome::camera_encoder {
+
+class EncoderBufferImpl : public camera::EncoderBuffer {
+ public:
+  // --- EncoderBuffer  ---
+  bool set_buffer_size(size_t size) override;
+  uint8_t *get_data() const override { return this->data_; }
+  size_t get_size() const override { return this->size_; }
+  size_t get_max_size() const override { return this->capacity_; }
+  // ----------------------
+  ~EncoderBufferImpl() override;
+
+ protected:
+  RAMAllocator<uint8_t> allocator_;
+  size_t capacity_{};
+  size_t size_{};
+  uint8_t *data_{};
+};
+
+}  // namespace esphome::camera_encoder

esphome/components/camera_encoder/esp32_camera_jpeg_encoder.cpp

@@ -0,0 +1,82 @@
+#ifdef USE_ESP32_CAMERA_JPEG_ENCODER
+
+#include "esp32_camera_jpeg_encoder.h"
+
+namespace esphome::camera_encoder {
+
+static const char *const TAG = "camera_encoder";
+
+ESP32CameraJPEGEncoder::ESP32CameraJPEGEncoder(uint8_t quality, camera::EncoderBuffer *output) {
+  this->quality_ = quality;
+  this->output_ = output;
+}
+
+camera::EncoderError ESP32CameraJPEGEncoder::encode_pixels(camera::CameraImageSpec *spec, camera::Buffer *pixels) {
+  this->bytes_written_ = 0;
+  this->out_of_output_memory_ = false;
+  bool success = fmt2jpg_cb(pixels->get_data_buffer(), pixels->get_data_length(), spec->width, spec->height,
+                            to_internal_(spec->format), this->quality_, callback_, this);
+
+  if (!success)
+    return camera::ENCODER_ERROR_CONFIGURATION;
+
+  if (this->out_of_output_memory_) {
+    if (this->buffer_expand_size_ <= 0)
+      return camera::ENCODER_ERROR_SKIP_FRAME;
+
+    size_t current_size = this->output_->get_max_size();
+    size_t new_size = this->output_->get_max_size() + this->buffer_expand_size_;
+    if (!this->output_->set_buffer_size(new_size)) {
+      ESP_LOGE(TAG, "Failed to expand output buffer.");
+      this->buffer_expand_size_ = 0;
+      return camera::ENCODER_ERROR_SKIP_FRAME;
+    }
+
+    ESP_LOGD(TAG, "Output buffer expanded (%u -> %u).", current_size, this->output_->get_max_size());
+    return camera::ENCODER_ERROR_RETRY_FRAME;
+  }
+
+  this->output_->set_buffer_size(this->bytes_written_);
+  return camera::ENCODER_ERROR_SUCCESS;
+}
+
+void ESP32CameraJPEGEncoder::dump_config() {
+  ESP_LOGCONFIG(TAG,
+                "ESP32 Camera JPEG Encoder:\n"
+                "  Size: %zu\n"
+                "  Quality: %d\n"
+                "  Expand: %d\n",
+                this->output_->get_max_size(), this->quality_, this->buffer_expand_size_);
+}
+
+size_t ESP32CameraJPEGEncoder::callback_(void *arg, size_t index, const void *data, size_t len) {
+  ESP32CameraJPEGEncoder *that = reinterpret_cast<ESP32CameraJPEGEncoder *>(arg);
+  uint8_t *buffer = that->output_->get_data();
+  size_t buffer_length = that->output_->get_max_size();
+  if (index + len > buffer_length) {
+    that->out_of_output_memory_ = true;
+    return 0;
+  }
+
+  std::memcpy(&buffer[index], data, len);
+  that->bytes_written_ += len;
+  return len;
+}
+
+pixformat_t ESP32CameraJPEGEncoder::to_internal_(camera::PixelFormat format) {
+  switch (format) {
+    case camera::PIXEL_FORMAT_GRAYSCALE:
+      return PIXFORMAT_GRAYSCALE;
+    case camera::PIXEL_FORMAT_RGB565:
+      return PIXFORMAT_RGB565;
+    // Internal representation for RGB is in byte order: B, G, R
+    case camera::PIXEL_FORMAT_BGR888:
+      return PIXFORMAT_RGB888;
+  }
+
+  return PIXFORMAT_GRAYSCALE;
+}
+
+}  // namespace esphome::camera_encoder
+
+#endif

esphome/components/camera_encoder/esp32_camera_jpeg_encoder.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#ifdef USE_ESP32_CAMERA_JPEG_ENCODER
+
+#include <esp_camera.h>
+
+#include "esphome/components/camera/encoder.h"
+
+namespace esphome::camera_encoder {
+
+/// Encoder that uses the software-based JPEG implementation from Espressif's esp32-camera component.
+class ESP32CameraJPEGEncoder : public camera::Encoder {
+ public:
+  /// Constructs a ESP32CameraJPEGEncoder instance.
+  /// @param quality Sets the quality of the encoded image (1-100).
+  /// @param output Pointer to preallocated output buffer.
+  ESP32CameraJPEGEncoder(uint8_t quality, camera::EncoderBuffer *output);
+  /// Sets the number of bytes to expand the output buffer on underflow during encoding.
+  /// @param buffer_expand_size Number of bytes to expand the buffer.
+  void set_buffer_expand_size(size_t buffer_expand_size) { this->buffer_expand_size_ = buffer_expand_size; }
+  // -------- Encoder --------
+  camera::EncoderError encode_pixels(camera::CameraImageSpec *spec, camera::Buffer *pixels) override;
+  camera::EncoderBuffer *get_output_buffer() override { return output_; }
+  void dump_config() override;
+  // -------------------------
+ protected:
+  static size_t callback_(void *arg, size_t index, const void *data, size_t len);
+  pixformat_t to_internal_(camera::PixelFormat format);
+
+  camera::EncoderBuffer *output_{};
+  size_t buffer_expand_size_{};
+  size_t bytes_written_{};
+  uint8_t quality_{};
+  bool out_of_output_memory_{};
+};
+
+}  // namespace esphome::camera_encoder
+
+#endif

esphome/components/captive_portal/__init__.py

@@ -10,7 +10,7 @@ from esphome.const import (
     PLATFORM_LN882X,
     PLATFORM_RTL87XX,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 AUTO_LOAD = ["web_server_base", "ota.web_server"]
 DEPENDENCIES = ["wifi"]
@@ -40,7 +40,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-@coroutine_with_priority(64.0)
+@coroutine_with_priority(CoroPriority.COMMUNICATION)
 async def to_code(config):
     paren = await cg.get_variable(config[CONF_WEB_SERVER_BASE_ID])
 

esphome/components/captive_portal/captive_portal.cpp

@@ -11,17 +11,35 @@ namespace captive_portal {
 static const char *const TAG = "captive_portal";
 
 void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
-  AsyncResponseStream *stream = request->beginResponseStream("application/json");
-  stream->addHeader("cache-control", "public, max-age=0, must-revalidate");
+  AsyncResponseStream *stream = request->beginResponseStream(F("application/json"));
+  stream->addHeader(F("cache-control"), F("public, max-age=0, must-revalidate"));
+#ifdef USE_ESP8266
+  stream->print(F("{\"mac\":\""));
+  stream->print(get_mac_address_pretty().c_str());
+  stream->print(F("\",\"name\":\""));
+  stream->print(App.get_name().c_str());
+  stream->print(F("\",\"aps\":[{}"));
+#else
   stream->printf(R"({"mac":"%s","name":"%s","aps":[{})", get_mac_address_pretty().c_str(), App.get_name().c_str());
+#endif
 
   for (auto &scan : wifi::global_wifi_component->get_scan_result()) {
     if (scan.get_is_hidden())
       continue;
 
-    // Assumes no " in ssid, possible unicode isses?
+      // Assumes no " in ssid, possible unicode isses?
+#ifdef USE_ESP8266
+    stream->print(F(",{\"ssid\":\""));
+    stream->print(scan.get_ssid().c_str());
+    stream->print(F("\",\"rssi\":"));
+    stream->print(scan.get_rssi());
+    stream->print(F(",\"lock\":"));
+    stream->print(scan.get_with_auth());
+    stream->print(F("}"));
+#else
     stream->printf(R"(,{"ssid":"%s","rssi":%d,"lock":%d})", scan.get_ssid().c_str(), scan.get_rssi(),
                    scan.get_with_auth());
+#endif
   }
   stream->print(F("]}"));
   request->send(stream);
@@ -34,7 +52,7 @@ void CaptivePortal::handle_wifisave(AsyncWebServerRequest *request) {
   ESP_LOGI(TAG, "  Password=" LOG_SECRET("'%s'"), psk.c_str());
   wifi::global_wifi_component->save_wifi_sta(ssid, psk);
   wifi::global_wifi_component->start_scanning();
-  request->redirect("/?save");
+  request->redirect(F("/?save"));
 }
 
 void CaptivePortal::setup() {
@@ -53,18 +71,23 @@ void CaptivePortal::start() {
   this->dns_server_ = make_unique<DNSServer>();
   this->dns_server_->setErrorReplyCode(DNSReplyCode::NoError);
   network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();
-  this->dns_server_->start(53, "*", ip);
+  this->dns_server_->start(53, F("*"), ip);
   // Re-enable loop() when DNS server is started
   this->enable_loop();
 #endif
 
   this->base_->get_server()->onNotFound([this](AsyncWebServerRequest *req) {
     if (!this->active_ || req->host().c_str() == wifi::global_wifi_component->wifi_soft_ap_ip().str()) {
-      req->send(404, "text/html", "File not found");
+      req->send(404, F("text/html"), F("File not found"));
       return;
     }
 
+#ifdef USE_ESP8266
+    String url = F("http://");
+    url += wifi::global_wifi_component->wifi_soft_ap_ip().str().c_str();
+#else
     auto url = "http://" + wifi::global_wifi_component->wifi_soft_ap_ip().str();
+#endif
     req->redirect(url.c_str());
   });
 
@@ -73,19 +96,19 @@ void CaptivePortal::start() {
 }
 
 void CaptivePortal::handleRequest(AsyncWebServerRequest *req) {
-  if (req->url() == "/") {
+  if (req->url() == F("/")) {
 #ifndef USE_ESP8266
-    auto *response = req->beginResponse(200, "text/html", INDEX_GZ, sizeof(INDEX_GZ));
+    auto *response = req->beginResponse(200, F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
 #else
-    auto *response = req->beginResponse_P(200, "text/html", INDEX_GZ, sizeof(INDEX_GZ));
+    auto *response = req->beginResponse_P(200, F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
 #endif
-    response->addHeader("Content-Encoding", "gzip");
+    response->addHeader(F("Content-Encoding"), F("gzip"));
     req->send(response);
     return;
-  } else if (req->url() == "/config.json") {
+  } else if (req->url() == F("/config.json")) {
     this->handle_config(req);
     return;
-  } else if (req->url() == "/wifisave") {
+  } else if (req->url() == F("/wifisave")) {
     this->handle_wifisave(req);
     return;
   }

esphome/components/captive_portal/captive_portal.h

@@ -45,11 +45,11 @@ class CaptivePortal : public AsyncWebHandler, public Component {
       return false;
 
     if (request->method() == HTTP_GET) {
-      if (request->url() == "/")
+      if (request->url() == F("/"))
         return true;
-      if (request->url() == "/config.json")
+      if (request->url() == F("/config.json"))
         return true;
-      if (request->url() == "/wifisave")
+      if (request->url() == F("/wifisave"))
         return true;
     }
 

esphome/components/ccs811/ccs811.cpp

@@ -152,7 +152,7 @@ void CCS811Component::send_env_data_() {
 void CCS811Component::dump_config() {
   ESP_LOGCONFIG(TAG, "CCS811");
   LOG_I2C_DEVICE(this)
-  LOG_UPDATE_INTERVAL(this)
+  LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "CO2 Sensor", this->co2_);
   LOG_SENSOR("  ", "TVOC Sensor", this->tvoc_);
   LOG_TEXT_SENSOR("  ", "Firmware Version Sensor", this->version_)

esphome/components/climate/__init__.py

@@ -47,7 +47,7 @@ from esphome.const import (
     CONF_VISUAL,
     CONF_WEB_SERVER,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 
@@ -517,6 +517,6 @@ async def climate_control_to_code(config, action_id, template_arg, args):
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(climate_ns.using)

esphome/components/cover/__init__.py

@@ -32,7 +32,7 @@ from esphome.const import (
     DEVICE_CLASS_SHUTTER,
     DEVICE_CLASS_WINDOW,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 
@@ -263,6 +263,6 @@ async def cover_control_to_code(config, action_id, template_arg, args):
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(cover_ns.using)

esphome/components/cover/cover.h

@@ -19,8 +19,8 @@ const extern float COVER_CLOSED;
     if (traits_.get_is_assumed_state()) { \
       ESP_LOGCONFIG(TAG, "%s  Assumed State: YES", prefix); \
     } \
-    if (!(obj)->get_device_class().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class().c_str()); \
+    if (!(obj)->get_device_class_ref().empty()) { \
+      ESP_LOGCONFIG(TAG, "%s  Device Class: '%s'", prefix, (obj)->get_device_class_ref().c_str()); \
     } \
   }
 

esphome/components/dallas_temp/dallas_temp.cpp

@@ -64,7 +64,7 @@ bool DallasTemperatureSensor::read_scratch_pad_() {
     }
   } else {
     ESP_LOGW(TAG, "'%s' - reading scratch pad failed bus reset", this->get_name().c_str());
-    this->status_set_warning("bus reset failed");
+    this->status_set_warning(LOG_STR("bus reset failed"));
   }
   return success;
 }
@@ -124,7 +124,7 @@ bool DallasTemperatureSensor::check_scratch_pad_() {
             crc8(this->scratch_pad_, 8));
 #endif
   if (!chksum_validity) {
-    this->status_set_warning("scratch pad checksum invalid");
+    this->status_set_warning(LOG_STR("scratch pad checksum invalid"));
     ESP_LOGD(TAG, "Scratch pad: %02X.%02X.%02X.%02X.%02X.%02X.%02X.%02X.%02X (%02X)", this->scratch_pad_[0],
              this->scratch_pad_[1], this->scratch_pad_[2], this->scratch_pad_[3], this->scratch_pad_[4],
              this->scratch_pad_[5], this->scratch_pad_[6], this->scratch_pad_[7], this->scratch_pad_[8],

esphome/components/datetime/__init__.py

@@ -21,7 +21,7 @@ from esphome.const import (
     CONF_WEB_SERVER,
     CONF_YEAR,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
 
@@ -172,7 +172,7 @@ async def new_datetime(config, *args):
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(datetime_ns.using)
 

esphome/components/datetime/date_entity.h

@@ -16,8 +16,8 @@ namespace datetime {
 #define LOG_DATETIME_DATE(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon().c_str()); \
+    if (!(obj)->get_icon_ref().empty()) { \
+      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
     } \
   }
 

esphome/components/datetime/datetime_entity.h

@@ -16,8 +16,8 @@ namespace datetime {
 #define LOG_DATETIME_DATETIME(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon().c_str()); \
+    if (!(obj)->get_icon_ref().empty()) { \
+      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
     } \
   }
 

esphome/components/datetime/time_entity.h

@@ -16,8 +16,8 @@ namespace datetime {
 #define LOG_DATETIME_TIME(prefix, type, obj) \
   if ((obj) != nullptr) { \
     ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
-    if (!(obj)->get_icon().empty()) { \
-      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon().c_str()); \
+    if (!(obj)->get_icon_ref().empty()) { \
+      ESP_LOGCONFIG(TAG, "%s  Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
     } \
   }
 

esphome/components/debug/debug_esp32.cpp

@@ -52,7 +52,7 @@ void DebugComponent::on_shutdown() {
   char buffer[REBOOT_MAX_LEN]{};
   auto pref = global_preferences->make_preference(REBOOT_MAX_LEN, fnv1_hash(REBOOT_KEY + App.get_name()));
   if (component != nullptr) {
-    strncpy(buffer, component->get_component_source(), REBOOT_MAX_LEN - 1);
+    strncpy(buffer, LOG_STR_ARG(component->get_component_log_str()), REBOOT_MAX_LEN - 1);
     buffer[REBOOT_MAX_LEN - 1] = '\0';
   }
   ESP_LOGD(TAG, "Storing reboot source: %s", buffer);

esphome/components/display/__init__.py

@@ -15,7 +15,7 @@ from esphome.const import (
     CONF_UPDATE_INTERVAL,
     SCHEDULER_DONT_RUN,
 )
-from esphome.core import coroutine_with_priority
+from esphome.core import CoroPriority, coroutine_with_priority
 
 IS_PLATFORM_COMPONENT = True
 
@@ -176,7 +176,7 @@ async def display_page_show_to_code(config, action_id, template_arg, args):
     DisplayPageShowNextAction,
     maybe_simple_id(
         {
-            cv.Required(CONF_ID): cv.templatable(cv.use_id(Display)),
+            cv.GenerateID(CONF_ID): cv.templatable(cv.use_id(Display)),
         }
     ),
 )
@@ -190,7 +190,7 @@ async def display_page_show_next_to_code(config, action_id, template_arg, args):
     DisplayPageShowPrevAction,
     maybe_simple_id(
         {
-            cv.Required(CONF_ID): cv.templatable(cv.use_id(Display)),
+            cv.GenerateID(CONF_ID): cv.templatable(cv.use_id(Display)),
         }
     ),
 )
@@ -218,7 +218,7 @@ async def display_is_displaying_page_to_code(config, condition_id, template_arg,
     return var
 
 
-@coroutine_with_priority(100.0)
+@coroutine_with_priority(CoroPriority.CORE)
 async def to_code(config):
     cg.add_global(display_ns.using)
     cg.add_define("USE_DISPLAY")

esphome/components/esp32/__init__.py

@@ -40,6 +40,7 @@ from esphome.cpp_generator import RawExpression
 import esphome.final_validate as fv
 from esphome.helpers import copy_file_if_changed, mkdir_p, write_file_if_changed
 from esphome.types import ConfigType
+from esphome.writer import clean_cmake_cache
 
 from .boards import BOARDS, STANDARD_BOARDS
 from .const import (  # noqa
@@ -840,6 +841,9 @@ async def to_code(config):
     if conf[CONF_ADVANCED][CONF_IGNORE_EFUSE_CUSTOM_MAC]:
         cg.add_define("USE_ESP32_IGNORE_EFUSE_CUSTOM_MAC")
 
+    for clean_var in ("IDF_PATH", "IDF_TOOLS_PATH"):
+        os.environ.pop(clean_var, None)
+
     add_extra_script(
         "post",
         "post_build.py",
@@ -855,11 +859,6 @@ async def to_code(config):
 
         cg.add_platformio_option("platform_packages", [conf[CONF_SOURCE]])
 
-        # platformio/toolchain-esp32ulp does not support linux_aarch64 yet and has not been updated for over 2 years
-        # This is espressif's own published version which is more up to date.
-        cg.add_platformio_option(
-            "platform_packages", ["espressif/toolchain-esp32ulp@2.35.0-20220830"]
-        )
         add_idf_sdkconfig_option(f"CONFIG_IDF_TARGET_{variant}", True)
         add_idf_sdkconfig_option(
             f"CONFIG_ESPTOOLPY_FLASHSIZE_{config[CONF_FLASH_SIZE]}", True
@@ -1079,7 +1078,11 @@ def _write_idf_component_yml():
         contents = yaml_util.dump({"dependencies": dependencies})
     else:
         contents = ""
-    write_file_if_changed(yml_path, contents)
+    if write_file_if_changed(yml_path, contents):
+        dependencies_lock = CORE.relative_build_path("dependencies.lock")
+        if os.path.isfile(dependencies_lock):
+            os.remove(dependencies_lock)
+        clean_cmake_cache()
 
 
 # Called by writer.py

esphome/components/esp32/gpio.cpp

@@ -54,13 +54,13 @@ struct ISRPinArg {
 
 ISRInternalGPIOPin ESP32InternalGPIOPin::to_isr() const {
   auto *arg = new ISRPinArg{};  // NOLINT(cppcoreguidelines-owning-memory)
-  arg->pin = this->pin_;
+  arg->pin = this->get_pin_num();
   arg->flags = gpio::FLAG_NONE;
-  arg->inverted = inverted_;
+  arg->inverted = this->pin_flags_.inverted;
 #if defined(USE_ESP32_VARIANT_ESP32)
-  arg->use_rtc = rtc_gpio_is_valid_gpio(this->pin_);
+  arg->use_rtc = rtc_gpio_is_valid_gpio(this->get_pin_num());
   if (arg->use_rtc)
-    arg->rtc_pin = rtc_io_number_get(this->pin_);
+    arg->rtc_pin = rtc_io_number_get(this->get_pin_num());
 #endif
   return ISRInternalGPIOPin((void *) arg);
 }
@@ -69,23 +69,23 @@ void ESP32InternalGPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpi
   gpio_int_type_t idf_type = GPIO_INTR_ANYEDGE;
   switch (type) {
     case gpio::INTERRUPT_RISING_EDGE:
-      idf_type = inverted_ ? GPIO_INTR_NEGEDGE : GPIO_INTR_POSEDGE;
+      idf_type = this->pin_flags_.inverted ? GPIO_INTR_NEGEDGE : GPIO_INTR_POSEDGE;
       break;
     case gpio::INTERRUPT_FALLING_EDGE:
-      idf_type = inverted_ ? GPIO_INTR_POSEDGE : GPIO_INTR_NEGEDGE;
+      idf_type = this->pin_flags_.inverted ? GPIO_INTR_POSEDGE : GPIO_INTR_NEGEDGE;
       break;
     case gpio::INTERRUPT_ANY_EDGE:
       idf_type = GPIO_INTR_ANYEDGE;
       break;
     case gpio::INTERRUPT_LOW_LEVEL:
-      idf_type = inverted_ ? GPIO_INTR_HIGH_LEVEL : GPIO_INTR_LOW_LEVEL;
+      idf_type = this->pin_flags_.inverted ? GPIO_INTR_HIGH_LEVEL : GPIO_INTR_LOW_LEVEL;
       break;
     case gpio::INTERRUPT_HIGH_LEVEL:
-      idf_type = inverted_ ? GPIO_INTR_LOW_LEVEL : GPIO_INTR_HIGH_LEVEL;
+      idf_type = this->pin_flags_.inverted ? GPIO_INTR_LOW_LEVEL : GPIO_INTR_HIGH_LEVEL;
       break;
   }
-  gpio_set_intr_type(pin_, idf_type);
-  gpio_intr_enable(pin_);
+  gpio_set_intr_type(this->get_pin_num(), idf_type);
+  gpio_intr_enable(this->get_pin_num());
   if (!isr_service_installed) {
     auto res = gpio_install_isr_service(ESP_INTR_FLAG_LEVEL3);
     if (res != ESP_OK) {
@@ -94,31 +94,31 @@ void ESP32InternalGPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpi
     }
     isr_service_installed = true;
   }
-  gpio_isr_handler_add(pin_, func, arg);
+  gpio_isr_handler_add(this->get_pin_num(), func, arg);
 }
 
 std::string ESP32InternalGPIOPin::dump_summary() const {
   char buffer[32];
-  snprintf(buffer, sizeof(buffer), "GPIO%" PRIu32, static_cast<uint32_t>(pin_));
+  snprintf(buffer, sizeof(buffer), "GPIO%" PRIu32, static_cast<uint32_t>(this->pin_));
   return buffer;
 }
 
 void ESP32InternalGPIOPin::setup() {
   gpio_config_t conf{};
-  conf.pin_bit_mask = 1ULL << static_cast<uint32_t>(pin_);
-  conf.mode = flags_to_mode(flags_);
-  conf.pull_up_en = flags_ & gpio::FLAG_PULLUP ? GPIO_PULLUP_ENABLE : GPIO_PULLUP_DISABLE;
-  conf.pull_down_en = flags_ & gpio::FLAG_PULLDOWN ? GPIO_PULLDOWN_ENABLE : GPIO_PULLDOWN_DISABLE;
+  conf.pin_bit_mask = 1ULL << static_cast<uint32_t>(this->pin_);
+  conf.mode = flags_to_mode(this->flags_);
+  conf.pull_up_en = this->flags_ & gpio::FLAG_PULLUP ? GPIO_PULLUP_ENABLE : GPIO_PULLUP_DISABLE;
+  conf.pull_down_en = this->flags_ & gpio::FLAG_PULLDOWN ? GPIO_PULLDOWN_ENABLE : GPIO_PULLDOWN_DISABLE;
   conf.intr_type = GPIO_INTR_DISABLE;
   gpio_config(&conf);
-  if (flags_ & gpio::FLAG_OUTPUT) {
-    gpio_set_drive_capability(pin_, drive_strength_);
+  if (this->flags_ & gpio::FLAG_OUTPUT) {
+    gpio_set_drive_capability(this->get_pin_num(), this->get_drive_strength());
   }
 }
 
 void ESP32InternalGPIOPin::pin_mode(gpio::Flags flags) {
   // can't call gpio_config here because that logs in esp-idf which may cause issues
-  gpio_set_direction(pin_, flags_to_mode(flags));
+  gpio_set_direction(this->get_pin_num(), flags_to_mode(flags));
   gpio_pull_mode_t pull_mode = GPIO_FLOATING;
   if ((flags & gpio::FLAG_PULLUP) && (flags & gpio::FLAG_PULLDOWN)) {
     pull_mode = GPIO_PULLUP_PULLDOWN;
@@ -127,12 +127,16 @@ void ESP32InternalGPIOPin::pin_mode(gpio::Flags flags) {
   } else if (flags & gpio::FLAG_PULLDOWN) {
     pull_mode = GPIO_PULLDOWN_ONLY;
   }
-  gpio_set_pull_mode(pin_, pull_mode);
+  gpio_set_pull_mode(this->get_pin_num(), pull_mode);
 }
 
-bool ESP32InternalGPIOPin::digital_read() { return bool(gpio_get_level(pin_)) != inverted_; }
-void ESP32InternalGPIOPin::digital_write(bool value) { gpio_set_level(pin_, value != inverted_ ? 1 : 0); }
-void ESP32InternalGPIOPin::detach_interrupt() const { gpio_intr_disable(pin_); }
+bool ESP32InternalGPIOPin::digital_read() {
+  return bool(gpio_get_level(this->get_pin_num())) != this->pin_flags_.inverted;
+}
+void ESP32InternalGPIOPin::digital_write(bool value) {
+  gpio_set_level(this->get_pin_num(), value != this->pin_flags_.inverted ? 1 : 0);
+}
+void ESP32InternalGPIOPin::detach_interrupt() const { gpio_intr_disable(this->get_pin_num()); }
 
 }  // namespace esp32
 

esphome/components/esp32/gpio.h

@@ -7,12 +7,18 @@
 namespace esphome {
 namespace esp32 {
 
+// Static assertions to ensure our bit-packed fields can hold the enum values
+static_assert(GPIO_NUM_MAX <= 256, "gpio_num_t has too many values for uint8_t");
+static_assert(GPIO_DRIVE_CAP_MAX <= 4, "gpio_drive_cap_t has too many values for 2-bit field");
+
 class ESP32InternalGPIOPin : public InternalGPIOPin {
  public:
-  void set_pin(gpio_num_t pin) { pin_ = pin; }
-  void set_inverted(bool inverted) { inverted_ = inverted; }
-  void set_drive_strength(gpio_drive_cap_t drive_strength) { drive_strength_ = drive_strength; }
-  void set_flags(gpio::Flags flags) { flags_ = flags; }
+  void set_pin(gpio_num_t pin) { this->pin_ = static_cast<uint8_t>(pin); }
+  void set_inverted(bool inverted) { this->pin_flags_.inverted = inverted; }
+  void set_drive_strength(gpio_drive_cap_t drive_strength) {
+    this->pin_flags_.drive_strength = static_cast<uint8_t>(drive_strength);
+  }
+  void set_flags(gpio::Flags flags) { this->flags_ = flags; }
 
   void setup() override;
   void pin_mode(gpio::Flags flags) override;
@@ -21,17 +27,26 @@ class ESP32InternalGPIOPin : public InternalGPIOPin {
   std::string dump_summary() const override;
   void detach_interrupt() const override;
   ISRInternalGPIOPin to_isr() const override;
-  uint8_t get_pin() const override { return (uint8_t) pin_; }
-  gpio::Flags get_flags() const override { return flags_; }
-  bool is_inverted() const override { return inverted_; }
+  uint8_t get_pin() const override { return this->pin_; }
+  gpio::Flags get_flags() const override { return this->flags_; }
+  bool is_inverted() const override { return this->pin_flags_.inverted; }
+  gpio_num_t get_pin_num() const { return static_cast<gpio_num_t>(this->pin_); }
+  gpio_drive_cap_t get_drive_strength() const { return static_cast<gpio_drive_cap_t>(this->pin_flags_.drive_strength); }
 
  protected:
   void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const override;
 
-  gpio_num_t pin_;
-  gpio_drive_cap_t drive_strength_;
-  gpio::Flags flags_;
-  bool inverted_;
+  // Memory layout: 8 bytes total on 32-bit systems
+  // - 3 bytes for members below
+  // - 1 byte padding for alignment
+  // - 4 bytes for vtable pointer
+  uint8_t pin_;        // GPIO pin number (0-255, actual max ~54 on ESP32)
+  gpio::Flags flags_;  // GPIO flags (1 byte)
+  struct PinFlags {
+    uint8_t inverted : 1;        // Invert pin logic (1 bit)
+    uint8_t drive_strength : 2;  // Drive strength 0-3 (2 bits)
+    uint8_t reserved : 5;        // Reserved for future use (5 bits)
+  } pin_flags_;                  // Total: 1 byte
   // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
   static bool isr_service_installed;
 };

esphome/components/esp32_ble/__init__.py

@@ -3,17 +3,7 @@ import re
 
 from esphome import automation
 import esphome.codegen as cg
-from esphome.components.esp32 import (
-    VARIANT_ESP32C2,
-    VARIANT_ESP32C3,
-    VARIANT_ESP32C5,
-    VARIANT_ESP32C6,
-    VARIANT_ESP32H2,
-    VARIANT_ESP32S3,
-    add_idf_sdkconfig_option,
-    const,
-    get_esp32_variant,
-)
+from esphome.components.esp32 import add_idf_sdkconfig_option, const, get_esp32_variant
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ENABLE_ON_BOOT,
@@ -21,10 +11,8 @@ from esphome.const import (
     CONF_ID,
     CONF_NAME,
     CONF_NAME_ADD_MAC_SUFFIX,
-    CONF_TX_POWER,
 )
 from esphome.core import CORE, TimePeriod
-from esphome.cpp_types import MockObj
 import esphome.final_validate as fv
 
 DEPENDENCIES = ["esp32"]
@@ -163,8 +151,7 @@ IO_CAPABILITY = {
 
 esp_power_level_t = cg.global_ns.enum("esp_power_level_t")
 
-# Power level mappings for code generation - ESP32 classic
-TX_POWER_LEVELS_ESP32 = {
+TX_POWER_LEVELS = {
     -12: esp_power_level_t.ESP_PWR_LVL_N12,
     -9: esp_power_level_t.ESP_PWR_LVL_N9,
     -6: esp_power_level_t.ESP_PWR_LVL_N6,
@@ -175,53 +162,6 @@ TX_POWER_LEVELS_ESP32 = {
     9: esp_power_level_t.ESP_PWR_LVL_P9,
 }
 
-# Power level mappings for code generation - Extended variants
-TX_POWER_LEVELS_EXT = {
-    -24: esp_power_level_t.ESP_PWR_LVL_N24,
-    -21: esp_power_level_t.ESP_PWR_LVL_N21,
-    -18: esp_power_level_t.ESP_PWR_LVL_N18,
-    -15: esp_power_level_t.ESP_PWR_LVL_N15,
-    -12: esp_power_level_t.ESP_PWR_LVL_N12,
-    -9: esp_power_level_t.ESP_PWR_LVL_N9,
-    -6: esp_power_level_t.ESP_PWR_LVL_N6,
-    -3: esp_power_level_t.ESP_PWR_LVL_N3,
-    0: esp_power_level_t.ESP_PWR_LVL_N0,
-    3: esp_power_level_t.ESP_PWR_LVL_P3,
-    6: esp_power_level_t.ESP_PWR_LVL_P6,
-    9: esp_power_level_t.ESP_PWR_LVL_P9,
-    12: esp_power_level_t.ESP_PWR_LVL_P12,
-    15: esp_power_level_t.ESP_PWR_LVL_P15,
-    18: esp_power_level_t.ESP_PWR_LVL_P18,
-    20: esp_power_level_t.ESP_PWR_LVL_P20,
-}
-
-
-def _get_tx_power_levels() -> dict[str, MockObj]:
-    variant = get_esp32_variant()
-    if variant in [
-        VARIANT_ESP32C2,
-        VARIANT_ESP32C3,
-        VARIANT_ESP32C5,
-        VARIANT_ESP32C6,
-        VARIANT_ESP32H2,
-        VARIANT_ESP32S3,
-    ]:
-        return TX_POWER_LEVELS_EXT
-    return TX_POWER_LEVELS_ESP32
-
-
-def validate_tx_power(value: int) -> int:
-    value = cv.decibel(value)
-    power_levels = _get_tx_power_levels()
-    if value not in power_levels:
-        raise cv.Invalid(
-            f"TX power {value}dBm is not valid. "
-            f"Valid values are: {', '.join(str(v) + 'dBm' for v in sorted(power_levels.keys()))}"
-        )
-    # Return just the dBm value, we'll map it to enum in to_code
-    return value
-
-
 CONFIG_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.declare_id(ESP32BLE),
@@ -229,7 +169,6 @@ CONFIG_SCHEMA = cv.Schema(
         cv.Optional(CONF_IO_CAPABILITY, default="none"): cv.enum(
             IO_CAPABILITY, lower=True
         ),
-        cv.Optional(CONF_TX_POWER): validate_tx_power,
         cv.Optional(CONF_ENABLE_ON_BOOT, default=True): cv.boolean,
         cv.Optional(CONF_ADVERTISING, default=False): cv.boolean,
         cv.Optional(
@@ -320,9 +259,6 @@ async def to_code(config):
     cg.add(var.set_advertising_cycle_time(config[CONF_ADVERTISING_CYCLE_TIME]))
     if (name := config.get(CONF_NAME)) is not None:
         cg.add(var.set_name(name))
-    if (tx_power := config.get(CONF_TX_POWER)) is not None:
-        # The validation already returned the enum value
-        cg.add(var.set_tx_power(_get_tx_power_levels()[tx_power]))
     await cg.register_component(var, config)
 
     if CORE.using_esp_idf:

esphome/components/esp32_ble/ble.cpp

@@ -212,15 +212,6 @@ bool ESP32BLE::ble_setup_() {
     return false;
   }
 
-  // Set TX power for all BLE operations (advertising, scanning, connections)
-  err = esp_ble_tx_power_set(ESP_BLE_PWR_TYPE_DEFAULT, this->tx_power_);
-  if (err != ESP_OK) {
-    ESP_LOGW(TAG, "esp_ble_tx_power_set failed: %s", esp_err_to_name(err));
-    // Continue anyway as this is not critical
-  } else {
-    ESP_LOGD(TAG, "BLE TX power set to level %d", this->tx_power_);
-  }
-
   // BLE takes some time to be fully set up, 200ms should be more than enough
   delay(200);  // NOLINT
 
@@ -529,106 +520,11 @@ void ESP32BLE::dump_config() {
         io_capability_s = "invalid";
         break;
     }
-    // Convert TX power level to dBm for display
-    int tx_power_dbm = 0;
-#if defined(CONFIG_IDF_TARGET_ESP32)
-    // ESP32 classic power levels (0-7)
-    switch (this->tx_power_) {
-      case 0:
-        tx_power_dbm = -12;
-        break;  // ESP_PWR_LVL_N12
-      case 1:
-        tx_power_dbm = -9;
-        break;  // ESP_PWR_LVL_N9
-      case 2:
-        tx_power_dbm = -6;
-        break;  // ESP_PWR_LVL_N6
-      case 3:
-        tx_power_dbm = -3;
-        break;  // ESP_PWR_LVL_N3
-      case 4:
-        tx_power_dbm = 0;
-        break;  // ESP_PWR_LVL_N0
-      case 5:
-        tx_power_dbm = 3;
-        break;  // ESP_PWR_LVL_P3
-      case 6:
-        tx_power_dbm = 6;
-        break;  // ESP_PWR_LVL_P6
-      case 7:
-        tx_power_dbm = 9;
-        break;  // ESP_PWR_LVL_P9
-      default:
-        tx_power_dbm = 0;
-        break;
-    }
-#elif defined(CONFIG_IDF_TARGET_ESP32C2) || defined(CONFIG_IDF_TARGET_ESP32C3) || \
-    defined(CONFIG_IDF_TARGET_ESP32C5) || defined(CONFIG_IDF_TARGET_ESP32C6) || defined(CONFIG_IDF_TARGET_ESP32H2) || \
-    defined(CONFIG_IDF_TARGET_ESP32S3)
-    // Extended power levels for C2/C3/C5/C6/H2/S3 (0-15)
-    switch (this->tx_power_) {
-      case 0:
-        tx_power_dbm = -24;
-        break;  // ESP_PWR_LVL_N24
-      case 1:
-        tx_power_dbm = -21;
-        break;  // ESP_PWR_LVL_N21
-      case 2:
-        tx_power_dbm = -18;
-        break;  // ESP_PWR_LVL_N18
-      case 3:
-        tx_power_dbm = -15;
-        break;  // ESP_PWR_LVL_N15
-      case 4:
-        tx_power_dbm = -12;
-        break;  // ESP_PWR_LVL_N12
-      case 5:
-        tx_power_dbm = -9;
-        break;  // ESP_PWR_LVL_N9
-      case 6:
-        tx_power_dbm = -6;
-        break;  // ESP_PWR_LVL_N6
-      case 7:
-        tx_power_dbm = -3;
-        break;  // ESP_PWR_LVL_N3
-      case 8:
-        tx_power_dbm = 0;
-        break;  // ESP_PWR_LVL_N0
-      case 9:
-        tx_power_dbm = 3;
-        break;  // ESP_PWR_LVL_P3
-      case 10:
-        tx_power_dbm = 6;
-        break;  // ESP_PWR_LVL_P6
-      case 11:
-        tx_power_dbm = 9;
-        break;  // ESP_PWR_LVL_P9
-      case 12:
-        tx_power_dbm = 12;
-        break;  // ESP_PWR_LVL_P12
-      case 13:
-        tx_power_dbm = 15;
-        break;  // ESP_PWR_LVL_P15
-      case 14:
-        tx_power_dbm = 18;
-        break;  // ESP_PWR_LVL_P18
-      case 15:
-        tx_power_dbm = 20;
-        break;  // ESP_PWR_LVL_P20
-      default:
-        tx_power_dbm = 0;
-        break;
-    }
-#else
-    // Unknown variant
-    tx_power_dbm = 0;
-#endif
     ESP_LOGCONFIG(TAG,
                   "BLE:\n"
                   "  MAC address: %s\n"
-                  "  IO Capability: %s\n"
-                  "  TX Power: %d dBm",
-                  format_mac_address_pretty(mac_address).c_str(), io_capability_s, tx_power_dbm);
+                  "  IO Capability: %s",
+                  format_mac_address_pretty(mac_address).c_str(), io_capability_s);
   } else {
     ESP_LOGCONFIG(TAG, "Bluetooth stack is not enabled");
   }

esphome/components/esp32_ble/ble.h

@@ -20,7 +20,6 @@
 
 #ifdef USE_ESP32
 
-#include <esp_bt.h>
 #include <esp_gap_ble_api.h>
 #include <esp_gattc_api.h>
 #include <esp_gatts_api.h>
@@ -95,7 +94,6 @@ class BLEStatusEventHandler {
 class ESP32BLE : public Component {
  public:
   void set_io_capability(IoCapability io_capability) { this->io_cap_ = (esp_ble_io_cap_t) io_capability; }
-  void set_tx_power(esp_power_level_t tx_power) { this->tx_power_ = tx_power; }
 
   void set_advertising_cycle_time(uint32_t advertising_cycle_time) {
     this->advertising_cycle_time_ = advertising_cycle_time;
@@ -174,7 +172,6 @@ class ESP32BLE : public Component {
   // 1-byte aligned members (grouped together to minimize padding)
   BLEComponentState state_{BLE_COMPONENT_STATE_OFF};  // 1 byte (uint8_t enum)
   bool enable_on_boot_{};                             // 1 byte
-  esp_power_level_t tx_power_{ESP_PWR_LVL_P9};        // 1 byte (default: +9 dBm)
 };
 
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)

esphome/components/esp32_ble_client/ble_client_base.cpp

@@ -93,7 +93,7 @@ bool BLEClientBase::parse_device(const espbt::ESPBTDevice &device) {
     return false;
   if (this->address_ == 0 || device.address_uint64() != this->address_)
     return false;
-  if (this->state_ != espbt::ClientState::IDLE && this->state_ != espbt::ClientState::SEARCHING)
+  if (this->state_ != espbt::ClientState::IDLE)
     return false;
 
   this->log_event_("Found device");
@@ -168,8 +168,7 @@ void BLEClientBase::unconditional_disconnect() {
     this->log_gattc_warning_("esp_ble_gattc_close", err);
   }
 
-  if (this->state_ == espbt::ClientState::SEARCHING || this->state_ == espbt::ClientState::READY_TO_CONNECT ||
-      this->state_ == espbt::ClientState::DISCOVERED) {
+  if (this->state_ == espbt::ClientState::READY_TO_CONNECT || this->state_ == espbt::ClientState::DISCOVERED) {
     this->set_address(0);
     this->set_state(espbt::ClientState::IDLE);
   } else {

esphome/components/esp32_ble_tracker/__init__.py

@@ -30,7 +30,7 @@ from esphome.const import (
     CONF_SERVICE_UUID,
     CONF_TRIGGER_ID,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.enum import StrEnum
 from esphome.types import ConfigType
 
@@ -368,7 +368,7 @@ async def to_code(config):
 # This needs to be run as a job with very low priority so that all components have
 # chance to call register_ble_tracker and register_client before the list is checked
 # and added to the global defines list.
-@coroutine_with_priority(-1000)
+@coroutine_with_priority(CoroPriority.FINAL)
 async def _add_ble_features():
     # Add feature-specific defines based on what's needed
     if BLEFeatures.ESP_BT_DEVICE in _required_features:

esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp

@@ -49,8 +49,6 @@ const char *client_state_to_string(ClientState state) {
       return "DISCONNECTING";
     case ClientState::IDLE:
       return "IDLE";
-    case ClientState::SEARCHING:
-      return "SEARCHING";
     case ClientState::DISCOVERED:
       return "DISCOVERED";
     case ClientState::READY_TO_CONNECT:
@@ -136,9 +134,8 @@ void ESP32BLETracker::loop() {
   ClientStateCounts counts = this->count_client_states_();
   if (counts != this->client_state_counts_) {
     this->client_state_counts_ = counts;
-    ESP_LOGD(TAG, "connecting: %d, discovered: %d, searching: %d, disconnecting: %d",
-             this->client_state_counts_.connecting, this->client_state_counts_.discovered,
-             this->client_state_counts_.searching, this->client_state_counts_.disconnecting);
+    ESP_LOGD(TAG, "connecting: %d, discovered: %d, disconnecting: %d", this->client_state_counts_.connecting,
+             this->client_state_counts_.discovered, this->client_state_counts_.disconnecting);
   }
 
   if (this->scanner_state_ == ScannerState::FAILED ||
@@ -158,10 +155,8 @@ void ESP32BLETracker::loop() {
     https://github.com/espressif/esp-idf/issues/6688
 
   */
-  bool promote_to_connecting = counts.discovered && !counts.searching && !counts.connecting;
 
-  if (this->scanner_state_ == ScannerState::IDLE && !counts.connecting && !counts.disconnecting &&
-      !promote_to_connecting) {
+  if (this->scanner_state_ == ScannerState::IDLE && !counts.connecting && !counts.disconnecting && !counts.discovered) {
 #ifdef USE_ESP32_BLE_SOFTWARE_COEXISTENCE
     this->update_coex_preference_(false);
 #endif
@@ -170,12 +165,11 @@ void ESP32BLETracker::loop() {
     }
   }
   // If there is a discovered client and no connecting
-  // clients and no clients using the scanner to search for
-  // devices, then promote the discovered client to ready to connect.
+  // clients, then promote the discovered client to ready to connect.
   // We check both RUNNING and IDLE states because:
   // - RUNNING: gap_scan_event_handler initiates stop_scan_() but promotion can happen immediately
   // - IDLE: Scanner has already stopped (naturally or by gap_scan_event_handler)
-  if (promote_to_connecting &&
+  if (counts.discovered && !counts.connecting &&
       (this->scanner_state_ == ScannerState::RUNNING || this->scanner_state_ == ScannerState::IDLE)) {
     this->try_promote_discovered_clients_();
   }
@@ -307,14 +301,7 @@ void ESP32BLETracker::gap_scan_event_handler(const BLEScanResult &scan_result) {
 
   if (scan_result.search_evt == ESP_GAP_SEARCH_INQ_RES_EVT) {
     // Process the scan result immediately
-    bool found_discovered_client = this->process_scan_result_(scan_result);
-
-    // If we found a discovered client that needs promotion, stop scanning
-    // This replaces the promote_to_connecting logic from loop()
-    if (found_discovered_client && this->scanner_state_ == ScannerState::RUNNING) {
-      ESP_LOGD(TAG, "Found discovered client, stopping scan for connection");
-      this->stop_scan_();
-    }
+    this->process_scan_result_(scan_result);
   } else if (scan_result.search_evt == ESP_GAP_SEARCH_INQ_CMPL_EVT) {
     // Scan finished on its own
     if (this->scanner_state_ != ScannerState::RUNNING) {
@@ -640,9 +627,8 @@ void ESP32BLETracker::dump_config() {
                 this->scan_duration_, this->scan_interval_ * 0.625f, this->scan_window_ * 0.625f,
                 this->scan_active_ ? "ACTIVE" : "PASSIVE", YESNO(this->scan_continuous_));
   ESP_LOGCONFIG(TAG, "  Scanner State: %s", this->scanner_state_to_string_(this->scanner_state_));
-  ESP_LOGCONFIG(TAG, "  Connecting: %d, discovered: %d, searching: %d, disconnecting: %d",
-                this->client_state_counts_.connecting, this->client_state_counts_.discovered,
-                this->client_state_counts_.searching, this->client_state_counts_.disconnecting);
+  ESP_LOGCONFIG(TAG, "  Connecting: %d, discovered: %d, disconnecting: %d", this->client_state_counts_.connecting,
+                this->client_state_counts_.discovered, this->client_state_counts_.disconnecting);
   if (this->scan_start_fail_count_) {
     ESP_LOGCONFIG(TAG, "  Scan Start Fail Count: %d", this->scan_start_fail_count_);
   }
@@ -720,20 +706,9 @@ bool ESPBTDevice::resolve_irk(const uint8_t *irk) const {
          ecb_ciphertext[13] == ((addr64 >> 16) & 0xff);
 }
 
-bool ESP32BLETracker::has_connecting_clients_() const {
-  for (auto *client : this->clients_) {
-    auto state = client->state();
-    if (state == ClientState::CONNECTING || state == ClientState::READY_TO_CONNECT) {
-      return true;
-    }
-  }
-  return false;
-}
 #endif  // USE_ESP32_BLE_DEVICE
 
-bool ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
-  bool found_discovered_client = false;
-
+void ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
   // Process raw advertisements
   if (this->raw_advertisements_) {
     for (auto *listener : this->listeners_) {
@@ -759,14 +734,6 @@ bool ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
     for (auto *client : this->clients_) {
       if (client->parse_device(device)) {
         found = true;
-        // Check if this client is discovered and needs promotion
-        if (client->state() == ClientState::DISCOVERED) {
-          // Only check for connecting clients if we found a discovered client
-          // This matches the original logic: !connecting && client->state() == DISCOVERED
-          if (!this->has_connecting_clients_()) {
-            found_discovered_client = true;
-          }
-        }
       }
     }
 
@@ -775,8 +742,6 @@ bool ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
     }
 #endif  // USE_ESP32_BLE_DEVICE
   }
-
-  return found_discovered_client;
 }
 
 void ESP32BLETracker::cleanup_scan_state_(bool is_stop_complete) {

esphome/components/esp32_ble_tracker/esp32_ble_tracker.h

@@ -141,12 +141,10 @@ class ESPBTDeviceListener {
 struct ClientStateCounts {
   uint8_t connecting = 0;
   uint8_t discovered = 0;
-  uint8_t searching = 0;
   uint8_t disconnecting = 0;
 
   bool operator==(const ClientStateCounts &other) const {
-    return connecting == other.connecting && discovered == other.discovered && searching == other.searching &&
-           disconnecting == other.disconnecting;
+    return connecting == other.connecting && discovered == other.discovered && disconnecting == other.disconnecting;
   }
 
   bool operator!=(const ClientStateCounts &other) const { return !(*this == other); }
@@ -159,8 +157,6 @@ enum class ClientState : uint8_t {
   DISCONNECTING,
   // Connection is idle, no device detected.
   IDLE,
-  // Searching for device.
-  SEARCHING,
   // Device advertisement found.
   DISCOVERED,
   // Device is discovered and the scanner is stopped
@@ -292,12 +288,7 @@ class ESP32BLETracker : public Component,
   /// Common cleanup logic when transitioning scanner to IDLE state
   void cleanup_scan_state_(bool is_stop_complete);
   /// Process a single scan result immediately
-  /// Returns true if a discovered client needs promotion to READY_TO_CONNECT
-  bool process_scan_result_(const BLEScanResult &scan_result);
-#ifdef USE_ESP32_BLE_DEVICE
-  /// Check if any clients are in connecting or ready to connect state
-  bool has_connecting_clients_() const;
-#endif
+  void process_scan_result_(const BLEScanResult &scan_result);
   /// Handle scanner failure states
   void handle_scanner_failure_();
   /// Try to promote discovered clients to ready to connect
@@ -321,9 +312,6 @@ class ESP32BLETracker : public Component,
         case ClientState::DISCOVERED:
           counts.discovered++;
           break;
-        case ClientState::SEARCHING:
-          counts.searching++;
-          break;
         case ClientState::CONNECTING:
         case ClientState::READY_TO_CONNECT:
           counts.connecting++;

esphome/components/esp8266/__init__.py

@@ -17,7 +17,7 @@ from esphome.const import (
     PLATFORM_ESP8266,
     ThreadModel,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.helpers import copy_file_if_changed
 
 from .boards import BOARDS, ESP8266_LD_SCRIPTS
@@ -176,7 +176,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-@coroutine_with_priority(1000)
+@coroutine_with_priority(CoroPriority.PLATFORM)
 async def to_code(config):
     cg.add(esp8266_ns.setup_preferences())
 

esphome/components/esp8266/core.cpp

@@ -58,8 +58,8 @@ extern "C" void resetPins() {  // NOLINT
 
 #ifdef USE_ESP8266_EARLY_PIN_INIT
   for (int i = 0; i < 16; i++) {
-    uint8_t mode = ESPHOME_ESP8266_GPIO_INITIAL_MODE[i];
-    uint8_t level = ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[i];
+    uint8_t mode = progmem_read_byte(&ESPHOME_ESP8266_GPIO_INITIAL_MODE[i]);
+    uint8_t level = progmem_read_byte(&ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[i]);
     if (mode != 255)
       pinMode(i, mode);  // NOLINT
     if (level != 255)

esphome/components/esp8266/gpio.py

@@ -17,7 +17,7 @@ from esphome.const import (
     CONF_PULLUP,
     PLATFORM_ESP8266,
 )
-from esphome.core import CORE, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
 
 from . import boards
 from .const import KEY_BOARD, KEY_ESP8266, KEY_PIN_INITIAL_STATES, esp8266_ns
@@ -188,7 +188,7 @@ async def esp8266_pin_to_code(config):
     return var
 
 
-@coroutine_with_priority(-999.0)
+@coroutine_with_priority(CoroPriority.WORKAROUNDS)
 async def add_pin_initial_states_array():
     # Add includes at the very end, so that they override everything
     initial_states: list[PinInitialState] = CORE.data[KEY_ESP8266][
@@ -199,11 +199,11 @@ async def add_pin_initial_states_array():
 
     cg.add_global(
         cg.RawExpression(
-            f"const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_MODE[16] = {{{initial_modes_s}}}"
+            f"const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_MODE[16] PROGMEM = {{{initial_modes_s}}}"
         )
     )
     cg.add_global(
         cg.RawExpression(
-            f"const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[16] = {{{initial_levels_s}}}"
+            f"const uint8_t ESPHOME_ESP8266_GPIO_INITIAL_LEVEL[16] PROGMEM = {{{initial_levels_s}}}"
         )
     )

esphome/components/esp8266/preferences.cpp

@@ -1,6 +1,7 @@
 #ifdef USE_ESP8266
 
 #include <c_types.h>
+#include <cinttypes>
 extern "C" {
 #include "spi_flash.h"
 }
@@ -119,16 +120,16 @@ static bool load_from_rtc(size_t offset, uint32_t *data, size_t len) {
 
 class ESP8266PreferenceBackend : public ESPPreferenceBackend {
  public:
-  size_t offset = 0;
   uint32_t type = 0;
+  uint16_t offset = 0;
+  uint8_t length_words = 0;  // Max 255 words (1020 bytes of data)
   bool in_flash = false;
-  size_t length_words = 0;
 
   bool save(const uint8_t *data, size_t len) override {
     if (bytes_to_words(len) != length_words) {
       return false;
     }
-    size_t buffer_size = length_words + 1;
+    size_t buffer_size = static_cast<size_t>(length_words) + 1;
     std::unique_ptr<uint32_t[]> buffer(new uint32_t[buffer_size]());  // Note the () for zero-initialization
     memcpy(buffer.get(), data, len);
     buffer[length_words] = calculate_crc(buffer.get(), buffer.get() + length_words, type);
@@ -142,7 +143,7 @@ class ESP8266PreferenceBackend : public ESPPreferenceBackend {
     if (bytes_to_words(len) != length_words) {
       return false;
     }
-    size_t buffer_size = length_words + 1;
+    size_t buffer_size = static_cast<size_t>(length_words) + 1;
     std::unique_ptr<uint32_t[]> buffer(new uint32_t[buffer_size]());
     bool ret = in_flash ? load_from_flash(offset, buffer.get(), buffer_size)
                         : load_from_rtc(offset, buffer.get(), buffer_size);
@@ -176,15 +177,19 @@ class ESP8266Preferences : public ESPPreferences {
 
   ESPPreferenceObject make_preference(size_t length, uint32_t type, bool in_flash) override {
     uint32_t length_words = bytes_to_words(length);
+    if (length_words > 255) {
+      ESP_LOGE(TAG, "Preference too large: %" PRIu32 " words > 255", length_words);
+      return {};
+    }
     if (in_flash) {
       uint32_t start = current_flash_offset;
       uint32_t end = start + length_words + 1;
       if (end > ESP8266_FLASH_STORAGE_SIZE)
         return {};
       auto *pref = new ESP8266PreferenceBackend();  // NOLINT(cppcoreguidelines-owning-memory)
-      pref->offset = start;
+      pref->offset = static_cast<uint16_t>(start);
       pref->type = type;
-      pref->length_words = length_words;
+      pref->length_words = static_cast<uint8_t>(length_words);
       pref->in_flash = true;
       current_flash_offset = end;
       return {pref};
@@ -210,9 +215,9 @@ class ESP8266Preferences : public ESPPreferences {
     uint32_t rtc_offset = in_normal ? start + 32 : start - 96;
 
     auto *pref = new ESP8266PreferenceBackend();  // NOLINT(cppcoreguidelines-owning-memory)
-    pref->offset = rtc_offset;
+    pref->offset = static_cast<uint16_t>(rtc_offset);
     pref->type = type;
-    pref->length_words = length_words;
+    pref->length_words = static_cast<uint8_t>(length_words);
     pref->in_flash = false;
     current_offset += length_words + 1;
     return pref;

esphome/components/esphome/ota/__init__.py

@@ -16,7 +16,7 @@ from esphome.const import (
     CONF_SAFE_MODE,
     CONF_VERSION,
 )
-from esphome.core import coroutine_with_priority
+from esphome.core import CoroPriority, coroutine_with_priority
 import esphome.final_validate as fv
 
 _LOGGER = logging.getLogger(__name__)
@@ -121,7 +121,7 @@ CONFIG_SCHEMA = (
 FINAL_VALIDATE_SCHEMA = ota_esphome_final_validate
 
 
-@coroutine_with_priority(52.0)
+@coroutine_with_priority(CoroPriority.COMMUNICATION)
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     cg.add(var.set_port(config[CONF_PORT]))

esphome/components/esphome/ota/ota_esphome.cpp

@@ -30,19 +30,19 @@ void ESPHomeOTAComponent::setup() {
 
   this->server_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0);  // monitored for incoming connections
   if (this->server_ == nullptr) {
-    this->log_socket_error_("creation");
+    this->log_socket_error_(LOG_STR("creation"));
     this->mark_failed();
     return;
   }
   int enable = 1;
   int err = this->server_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
   if (err != 0) {
-    this->log_socket_error_("reuseaddr");
+    this->log_socket_error_(LOG_STR("reuseaddr"));
     // we can still continue
   }
   err = this->server_->setblocking(false);
   if (err != 0) {
-    this->log_socket_error_("non-blocking");
+    this->log_socket_error_(LOG_STR("non-blocking"));
     this->mark_failed();
     return;
   }
@@ -51,21 +51,21 @@ void ESPHomeOTAComponent::setup() {
 
   socklen_t sl = socket::set_sockaddr_any((struct sockaddr *) &server, sizeof(server), this->port_);
   if (sl == 0) {
-    this->log_socket_error_("set sockaddr");
+    this->log_socket_error_(LOG_STR("set sockaddr"));
     this->mark_failed();
     return;
   }
 
   err = this->server_->bind((struct sockaddr *) &server, sizeof(server));
   if (err != 0) {
-    this->log_socket_error_("bind");
+    this->log_socket_error_(LOG_STR("bind"));
     this->mark_failed();
     return;
   }
 
   err = this->server_->listen(4);
   if (err != 0) {
-    this->log_socket_error_("listen");
+    this->log_socket_error_(LOG_STR("listen"));
     this->mark_failed();
     return;
   }
@@ -100,8 +100,8 @@ void ESPHomeOTAComponent::handle_handshake_() {
   /// Handle the initial OTA handshake.
   ///
   /// This method is non-blocking and will return immediately if no data is available.
-  /// It waits for the first magic byte (0x6C) before proceeding to handle_data_().
-  /// A 10-second timeout is enforced from initial connection.
+  /// It reads all 5 magic bytes (0x6C, 0x26, 0xF7, 0x5C, 0x45) non-blocking
+  /// before proceeding to handle_data_(). A 10-second timeout is enforced from initial connection.
 
   if (this->client_ == nullptr) {
     // We already checked server_->ready() in loop(), so we can accept directly
@@ -114,18 +114,19 @@ void ESPHomeOTAComponent::handle_handshake_() {
       return;
     int err = this->client_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
     if (err != 0) {
-      this->log_socket_error_("nodelay");
+      this->log_socket_error_(LOG_STR("nodelay"));
       this->cleanup_connection_();
       return;
     }
     err = this->client_->setblocking(false);
     if (err != 0) {
-      this->log_socket_error_("non-blocking");
+      this->log_socket_error_(LOG_STR("non-blocking"));
       this->cleanup_connection_();
       return;
     }
-    this->log_start_("handshake");
+    this->log_start_(LOG_STR("handshake"));
     this->client_connect_time_ = App.get_loop_component_start_time();
+    this->magic_buf_pos_ = 0;  // Reset magic buffer position
   }
 
   // Check for handshake timeout
@@ -136,34 +137,47 @@ void ESPHomeOTAComponent::handle_handshake_() {
     return;
   }
 
-  // Try to read first byte of magic bytes
-  uint8_t first_byte;
-  ssize_t read = this->client_->read(&first_byte, 1);
+  // Try to read remaining magic bytes
+  if (this->magic_buf_pos_ < 5) {
+    // Read as many bytes as available
+    uint8_t bytes_to_read = 5 - this->magic_buf_pos_;
+    ssize_t read = this->client_->read(this->magic_buf_ + this->magic_buf_pos_, bytes_to_read);
 
-  if (read == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) {
-    return;  // No data yet, try again next loop
-  }
-
-  if (read <= 0) {
-    // Error or connection closed
-    if (read == -1) {
-      this->log_socket_error_("reading first byte");
-    } else {
-      ESP_LOGW(TAG, "Remote closed during handshake");
+    if (read == -1 && (errno == EAGAIN || errno == EWOULDBLOCK)) {
+      return;  // No data yet, try again next loop
     }
-    this->cleanup_connection_();
-    return;
+
+    if (read <= 0) {
+      // Error or connection closed
+      if (read == -1) {
+        this->log_socket_error_(LOG_STR("reading magic bytes"));
+      } else {
+        ESP_LOGW(TAG, "Remote closed during handshake");
+      }
+      this->cleanup_connection_();
+      return;
+    }
+
+    this->magic_buf_pos_ += read;
   }
 
-  // Got first byte, check if it's the magic byte
-  if (first_byte != 0x6C) {
-    ESP_LOGW(TAG, "Invalid initial byte: 0x%02X", first_byte);
-    this->cleanup_connection_();
-    return;
-  }
+  // Check if we have all 5 magic bytes
+  if (this->magic_buf_pos_ == 5) {
+    // Validate magic bytes
+    static const uint8_t MAGIC_BYTES[5] = {0x6C, 0x26, 0xF7, 0x5C, 0x45};
+    if (memcmp(this->magic_buf_, MAGIC_BYTES, 5) != 0) {
+      ESP_LOGW(TAG, "Magic bytes mismatch! 0x%02X-0x%02X-0x%02X-0x%02X-0x%02X", this->magic_buf_[0],
+               this->magic_buf_[1], this->magic_buf_[2], this->magic_buf_[3], this->magic_buf_[4]);
+      // Send error response (non-blocking, best effort)
+      uint8_t error = static_cast<uint8_t>(ota::OTA_RESPONSE_ERROR_MAGIC);
+      this->client_->write(&error, 1);
+      this->cleanup_connection_();
+      return;
+    }
 
-  // First byte is valid, continue with data handling
-  this->handle_data_();
+    // All 5 magic bytes are valid, continue with data handling
+    this->handle_data_();
+  }
 }
 
 void ESPHomeOTAComponent::handle_data_() {
@@ -186,18 +200,6 @@ void ESPHomeOTAComponent::handle_data_() {
   size_t size_acknowledged = 0;
 #endif
 
-  // Read remaining 4 bytes of magic (we already read the first byte 0x6C in handle_handshake_)
-  if (!this->readall_(buf, 4)) {
-    this->log_read_error_("magic bytes");
-    goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
-  }
-  // Check remaining magic bytes: 0x26, 0xF7, 0x5C, 0x45
-  if (buf[0] != 0x26 || buf[1] != 0xF7 || buf[2] != 0x5C || buf[3] != 0x45) {
-    ESP_LOGW(TAG, "Magic bytes mismatch! 0x6C-0x%02X-0x%02X-0x%02X-0x%02X", buf[0], buf[1], buf[2], buf[3]);
-    error_code = ota::OTA_RESPONSE_ERROR_MAGIC;
-    goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
-  }
-
   // Send OK and version - 2 bytes
   buf[0] = ota::OTA_RESPONSE_OK;
   buf[1] = USE_OTA_VERSION;
@@ -207,7 +209,7 @@ void ESPHomeOTAComponent::handle_data_() {
 
   // Read features - 1 byte
   if (!this->readall_(buf, 1)) {
-    this->log_read_error_("features");
+    this->log_read_error_(LOG_STR("features"));
     goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
   }
   ota_features = buf[0];  // NOLINT
@@ -286,7 +288,7 @@ void ESPHomeOTAComponent::handle_data_() {
 
   // Read size, 4 bytes MSB first
   if (!this->readall_(buf, 4)) {
-    this->log_read_error_("size");
+    this->log_read_error_(LOG_STR("size"));
     goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
   }
   ota_size = 0;
@@ -300,7 +302,7 @@ void ESPHomeOTAComponent::handle_data_() {
   // starting the update, set the warning status and notify
   // listeners. This ensures that port scanners do not
   // accidentally trigger the update process.
-  this->log_start_("update");
+  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);
@@ -318,7 +320,7 @@ void ESPHomeOTAComponent::handle_data_() {
 
   // Read binary MD5, 32 bytes
   if (!this->readall_(buf, 32)) {
-    this->log_read_error_("MD5 checksum");
+    this->log_read_error_(LOG_STR("MD5 checksum"));
     goto error;  // NOLINT(cppcoreguidelines-avoid-goto)
   }
   sbuf[32] = '\0';
@@ -391,7 +393,7 @@ void ESPHomeOTAComponent::handle_data_() {
 
   // Read ACK
   if (!this->readall_(buf, 1) || buf[0] != ota::OTA_RESPONSE_OK) {
-    this->log_read_error_("ack");
+    this->log_read_error_(LOG_STR("ack"));
     // do not go to error, this is not fatal
   }
 
@@ -475,18 +477,21 @@ float ESPHomeOTAComponent::get_setup_priority() const { return setup_priority::A
 uint16_t ESPHomeOTAComponent::get_port() const { return this->port_; }
 void ESPHomeOTAComponent::set_port(uint16_t port) { this->port_ = port; }
 
-void ESPHomeOTAComponent::log_socket_error_(const char *msg) { ESP_LOGW(TAG, "Socket %s: errno %d", msg, errno); }
+void ESPHomeOTAComponent::log_socket_error_(const LogString *msg) {
+  ESP_LOGW(TAG, "Socket %s: errno %d", LOG_STR_ARG(msg), errno);
+}
 
-void ESPHomeOTAComponent::log_read_error_(const char *what) { ESP_LOGW(TAG, "Read %s failed", what); }
+void ESPHomeOTAComponent::log_read_error_(const LogString *what) { ESP_LOGW(TAG, "Read %s failed", LOG_STR_ARG(what)); }
 
-void ESPHomeOTAComponent::log_start_(const char *phase) {
-  ESP_LOGD(TAG, "Starting %s from %s", phase, this->client_->getpeername().c_str());
+void ESPHomeOTAComponent::log_start_(const LogString *phase) {
+  ESP_LOGD(TAG, "Starting %s from %s", LOG_STR_ARG(phase), this->client_->getpeername().c_str());
 }
 
 void ESPHomeOTAComponent::cleanup_connection_() {
   this->client_->close();
   this->client_ = nullptr;
   this->client_connect_time_ = 0;
+  this->magic_buf_pos_ = 0;
 }
 
 void ESPHomeOTAComponent::yield_and_feed_watchdog_() {

esphome/components/esphome/ota/ota_esphome.h

@@ -2,10 +2,11 @@
 
 #include "esphome/core/defines.h"
 #ifdef USE_OTA
-#include "esphome/core/helpers.h"
-#include "esphome/core/preferences.h"
 #include "esphome/components/ota/ota_backend.h"
 #include "esphome/components/socket/socket.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
+#include "esphome/core/preferences.h"
 
 namespace esphome {
 
@@ -31,9 +32,9 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
   void handle_data_();
   bool readall_(uint8_t *buf, size_t len);
   bool writeall_(const uint8_t *buf, size_t len);
-  void log_socket_error_(const char *msg);
-  void log_read_error_(const char *what);
-  void log_start_(const char *phase);
+  void log_socket_error_(const LogString *msg);
+  void log_read_error_(const LogString *what);
+  void log_start_(const LogString *phase);
   void cleanup_connection_();
   void yield_and_feed_watchdog_();
 
@@ -41,11 +42,13 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
   std::string password_;
 #endif  // USE_OTA_PASSWORD
 
-  uint16_t port_;
-  uint32_t client_connect_time_{0};
-
   std::unique_ptr<socket::Socket> server_;
   std::unique_ptr<socket::Socket> client_;
+
+  uint32_t client_connect_time_{0};
+  uint16_t port_;
+  uint8_t magic_buf_[5];
+  uint8_t magic_buf_pos_{0};
 };
 
 }  // namespace esphome

esphome/components/ethernet/__init__.py

@@ -38,7 +38,12 @@ from esphome.const import (
     KEY_CORE,
     KEY_FRAMEWORK_VERSION,
 )
-from esphome.core import CORE, TimePeriodMilliseconds, coroutine_with_priority
+from esphome.core import (
+    CORE,
+    CoroPriority,
+    TimePeriodMilliseconds,
+    coroutine_with_priority,
+)
 import esphome.final_validate as fv
 
 CONFLICTS_WITH = ["wifi"]
@@ -289,7 +294,7 @@ def phy_register(address: int, value: int, page: int):
     )
 
 
-@coroutine_with_priority(60.0)
+@coroutine_with_priority(CoroPriority.COMMUNICATION)
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)