Merge pull request #8862 from esphome/bump-2025.5.0b6

2025.5.0b6

.devcontainer/devcontainer.json

@@ -31,7 +31,7 @@
         "ms-python.python",
         "ms-python.pylint",
         "ms-python.flake8",
-        "ms-python.black-formatter",
+        "charliermarsh.ruff",
         "visualstudioexptteam.vscodeintellicode",
         // yaml
         "redhat.vscode-yaml",
@@ -49,14 +49,11 @@
         "flake8.args": [
           "--config=${workspaceFolder}/.flake8"
         ],
-        "black-formatter.args": [
-          "--config",
-          "${workspaceFolder}/pyproject.toml"
-        ],
+        "ruff.configuration": "${workspaceFolder}/pyproject.toml",
         "[python]": {
           // VS will say "Value is not accepted" before building the devcontainer, but the warning
           // should go away after build is completed.
-          "editor.defaultFormatter": "ms-python.black-formatter"
+          "editor.defaultFormatter": "charliermarsh.ruff"
         },
         "editor.formatOnPaste": false,
         "editor.formatOnSave": true,

.dockerignore

@@ -114,4 +114,5 @@ config/
 examples/
 Dockerfile
 .git/
-tests/build/
+tests/
+.*

.github/FUNDING.yml

@@ -1,4 +0,0 @@
----
-# These are supported funding model platforms
-
-custom: https://www.nabucasa.com

.github/actions/build-image/action.yaml

@@ -1,15 +1,11 @@
 name: Build Image
 inputs:
-  platform:
-    description: "Platform to build for"
-    required: true
-    example: "linux/amd64"
   target:
     description: "Target to build"
     required: true
     example: "docker"
-  baseimg:
-    description: "Base image type"
+  build_type:
+    description: "Build type"
     required: true
     example: "docker"
   suffix:
@@ -19,6 +15,11 @@ inputs:
     description: "Version to build"
     required: true
     example: "2023.12.0"
+  base_os:
+    description: "Base OS to use"
+    required: false
+    default: "debian"
+    example: "debian"
 runs:
   using: "composite"
   steps:
@@ -46,52 +47,52 @@ runs:
 
     - name: Build and push to ghcr by digest
       id: build-ghcr
-      uses: docker/build-push-action@v6.10.0
+      uses: docker/build-push-action@v6.17.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false
       with:
         context: .
         file: ./docker/Dockerfile
-        platforms: ${{ inputs.platform }}
         target: ${{ inputs.target }}
         cache-from: type=gha
         cache-to: ${{ steps.cache-to.outputs.value }}
         build-args: |
-          BASEIMGTYPE=${{ inputs.baseimg }}
+          BUILD_TYPE=${{ inputs.build_type }}
           BUILD_VERSION=${{ inputs.version }}
+          BUILD_OS=${{ inputs.base_os }}
         outputs: |
           type=image,name=ghcr.io/${{ steps.tags.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
 
     - name: Export ghcr digests
       shell: bash
       run: |
-        mkdir -p /tmp/digests/${{ inputs.target }}/ghcr
+        mkdir -p /tmp/digests/${{ inputs.build_type }}/ghcr
         digest="${{ steps.build-ghcr.outputs.digest }}"
-        touch "/tmp/digests/${{ inputs.target }}/ghcr/${digest#sha256:}"
+        touch "/tmp/digests/${{ inputs.build_type }}/ghcr/${digest#sha256:}"
 
     - name: Build and push to dockerhub by digest
       id: build-dockerhub
-      uses: docker/build-push-action@v6.10.0
+      uses: docker/build-push-action@v6.17.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false
       with:
         context: .
         file: ./docker/Dockerfile
-        platforms: ${{ inputs.platform }}
         target: ${{ inputs.target }}
         cache-from: type=gha
         cache-to: ${{ steps.cache-to.outputs.value }}
         build-args: |
-          BASEIMGTYPE=${{ inputs.baseimg }}
+          BUILD_TYPE=${{ inputs.build_type }}
           BUILD_VERSION=${{ inputs.version }}
+          BUILD_OS=${{ inputs.base_os }}
         outputs: |
           type=image,name=docker.io/${{ steps.tags.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
 
     - name: Export dockerhub digests
       shell: bash
       run: |
-        mkdir -p /tmp/digests/${{ inputs.target }}/dockerhub
+        mkdir -p /tmp/digests/${{ inputs.build_type }}/dockerhub
         digest="${{ steps.build-dockerhub.outputs.digest }}"
-        touch "/tmp/digests/${{ inputs.target }}/dockerhub/${digest#sha256:}"
+        touch "/tmp/digests/${{ inputs.build_type }}/dockerhub/${digest#sha256:}"

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

@@ -17,12 +17,12 @@ runs:
   steps:
     - name: Set up Python ${{ inputs.python-version }}
       id: python
-      uses: actions/setup-python@v5.3.0
+      uses: actions/setup-python@v5.6.0
       with:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment
       id: cache-venv
-      uses: actions/cache/restore@v4.2.0
+      uses: actions/cache/restore@v4.2.3
       with:
         path: venv
         # yamllint disable-line rule:line-length
@@ -34,7 +34,7 @@ runs:
         python -m venv venv
         source venv/bin/activate
         python --version
-        pip install -r requirements.txt -r requirements_optional.txt -r requirements_test.txt
+        pip install -r requirements.txt -r requirements_test.txt
         pip install -e .
     - name: Create Python virtual environment
       if: steps.cache-venv.outputs.cache-hit != 'true' && runner.os == 'Windows'
@@ -43,5 +43,5 @@ runs:
         python -m venv venv
         ./venv/Scripts/activate
         python --version
-        pip install -r requirements.txt -r requirements_optional.txt -r requirements_test.txt
+        pip install -r requirements.txt -r requirements_test.txt
         pip install -e .

.github/dependabot.yml

@@ -17,7 +17,6 @@ updates:
       docker-actions:
         applies-to: version-updates
         patterns:
-          - "docker/setup-qemu-action"
           - "docker/login-action"
           - "docker/setup-buildx-action"
   - package-ecosystem: github-actions

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

@@ -23,7 +23,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.11"
 
@@ -57,6 +57,17 @@ jobs:
               event: 'REQUEST_CHANGES',
               body: 'You have altered the generated proto files but they do not match what is expected.\nPlease run "script/api_protobuf/api_protobuf.py" and commit the changes.'
             })
+      - if: failure()
+        name: Show changes
+        run: git diff
+      - if: failure()
+        name: Archive artifacts
+        uses: actions/upload-artifact@v4.6.2
+        with:
+          name: generated-proto-files
+          path: |
+            esphome/components/api/api_pb2.*
+            esphome/components/api/api_pb2_service.*
       - if: success()
         name: Dismiss review
         uses: actions/github-script@v7.0.1

.github/workflows/ci-docker.yml

@@ -33,22 +33,23 @@ concurrency:
 jobs:
   check-docker:
     name: Build docker containers
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        arch: [amd64, armv7, aarch64]
-        build_type: ["ha-addon", "docker", "lint"]
+        os: ["ubuntu-24.04", "ubuntu-24.04-arm"]
+        build_type:
+          - "ha-addon"
+          - "docker"
+          # - "lint"
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.9"
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.7.1
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3.2.0
+        uses: docker/setup-buildx-action@v3.10.0
 
       - name: Set TAG
         run: |
@@ -58,6 +59,6 @@ jobs:
         run: |
           docker/build.py \
             --tag "${TAG}" \
-            --arch "${{ matrix.arch }}" \
+            --arch "${{ matrix.os == 'ubuntu-24.04-arm' && 'aarch64' || 'amd64' }}" \
             --build-type "${{ matrix.build_type }}" \
             build

.github/workflows/ci.yml

@@ -13,6 +13,7 @@ on:
       - ".github/workflows/ci.yml"
       - "!.yamllint"
       - "!.github/dependabot.yml"
+      - "!docker/**"
   merge_group:
 
 permissions:
@@ -38,15 +39,15 @@ jobs:
         uses: actions/checkout@v4.1.7
       - name: Generate cache-key
         id: cache-key
-        run: echo key="${{ hashFiles('requirements.txt', 'requirements_optional.txt', 'requirements_test.txt') }}" >> $GITHUB_OUTPUT
+        run: echo key="${{ hashFiles('requirements.txt', 'requirements_test.txt') }}" >> $GITHUB_OUTPUT
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@v4.2.0
+        uses: actions/cache@v4.2.3
         with:
           path: venv
           # yamllint disable-line rule:line-length
@@ -57,11 +58,11 @@ jobs:
           python -m venv venv
           . venv/bin/activate
           python --version
-          pip install -r requirements.txt -r requirements_optional.txt -r requirements_test.txt
+          pip install -r requirements.txt -r requirements_test.txt
           pip install -e .
 
-  black:
-    name: Check black
+  ruff:
+    name: Check ruff
     runs-on: ubuntu-24.04
     needs:
       - common
@@ -73,10 +74,10 @@ jobs:
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: Run black
+      - name: Run Ruff
         run: |
           . venv/bin/activate
-          black --verbose esphome tests
+          ruff format esphome tests
       - name: Suggested changes
         run: script/ci-suggest-changes
         if: always()
@@ -164,6 +165,7 @@ jobs:
           . venv/bin/activate
           script/ci-custom.py
           script/build_codeowners.py --check
+          script/build_language_schema.py --check
 
   pytest:
     name: Run pytest
@@ -219,7 +221,7 @@ jobs:
           . venv/bin/activate
           pytest -vv --cov-report=xml --tb=native tests
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v5.4.2
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
@@ -254,7 +256,7 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
-      - black
+      - ruff
       - ci-custom
       - clang-format
       - flake8
@@ -290,6 +292,11 @@ jobs:
             name: Run script/clang-tidy for ESP32 IDF
             options: --environment esp32-idf-tidy --grep USE_ESP_IDF
             pio_cache_key: tidyesp32-idf
+          - id: clang-tidy
+            name: Run script/clang-tidy for ZEPHYR
+            options: --environment nrf52-tidy --grep USE_ZEPHYR
+            pio_cache_key: tidy-zephyr
+            ignore_errors: true
 
     steps:
       - name: Check out code from GitHub
@@ -302,14 +309,14 @@ jobs:
 
       - name: Cache platformio
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache@v4.2.0
+        uses: actions/cache@v4.2.3
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@v4.2.0
+        uses: actions/cache/restore@v4.2.3
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}
@@ -329,13 +336,13 @@ jobs:
       - name: Run clang-tidy
         run: |
           . venv/bin/activate
-          script/clang-tidy --all-headers --fix ${{ matrix.options }}
+          script/clang-tidy --all-headers --fix ${{ matrix.options }} ${{ matrix.ignore_errors && '|| true' || '' }}
         env:
           # Also cache libdeps, store them in a ~/.platformio subfolder
           PLATFORMIO_LIBDEPS_DIR: ~/.platformio/libdeps
 
       - name: Suggested changes
-        run: script/ci-suggest-changes
+        run: script/ci-suggest-changes ${{ matrix.ignore_errors && '|| true' || '' }}
         # yamllint disable-line rule:line-length
         if: always()
 
@@ -481,7 +488,7 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
-      - black
+      - ruff
       - ci-custom
       - clang-format
       - flake8

.github/workflows/matchers/lint-python.json

@@ -1,11 +1,11 @@
 {
   "problemMatcher": [
     {
-      "owner": "black",
+      "owner": "ruff",
       "severity": "error",
       "pattern": [
         {
-          "regexp": "^(.*): (Please format this file with the black formatter)",
+          "regexp": "^(.*): (Please format this file with the ruff formatter)",
           "file": 1,
           "message": 2
         }

.github/workflows/release.yml

@@ -18,6 +18,7 @@ jobs:
     outputs:
       tag: ${{ steps.tag.outputs.tag }}
       branch_build: ${{ steps.tag.outputs.branch_build }}
+      deploy_env: ${{ steps.tag.outputs.deploy_env }}
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Get tag
@@ -27,6 +28,11 @@ jobs:
           if [[ "${{ github.event_name }}" = "release" ]]; then
             TAG="${{ github.event.release.tag_name}}"
             BRANCH_BUILD="false"
+            if [[ "${{ github.event.release.prerelease }}" = "true" ]]; then
+              ENVIRONMENT="beta"
+            else
+              ENVIRONMENT="production"
+            fi
           else
             TAG=$(cat esphome/const.py | sed -n -E "s/^__version__\s+=\s+\"(.+)\"$/\1/p")
             today="$(date --utc '+%Y%m%d')"
@@ -35,12 +41,15 @@ jobs:
             if [[ "$BRANCH" != "dev" ]]; then
               TAG="${TAG}-${BRANCH}"
               BRANCH_BUILD="true"
+              ENVIRONMENT=""
             else
               BRANCH_BUILD="false"
+              ENVIRONMENT="dev"
             fi
           fi
           echo "tag=${TAG}" >> $GITHUB_OUTPUT
           echo "branch_build=${BRANCH_BUILD}" >> $GITHUB_OUTPUT
+          echo "deploy_env=${ENVIRONMENT}" >> $GITHUB_OUTPUT
         # yamllint enable rule:line-length
 
   deploy-pypi:
@@ -53,55 +62,52 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.x"
-      - name: Set up python environment
-        env:
-          ESPHOME_NO_VENV: 1
-        run: script/setup
       - name: Build
         run: |-
           pip3 install build
           python3 -m build
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@v1.12.3
+        uses: pypa/gh-action-pypi-publish@v1.12.4
+        with:
+          skip-existing: true
 
   deploy-docker:
-    name: Build ESPHome ${{ matrix.platform }}
+    name: Build ESPHome ${{ matrix.platform.arch }}
     if: github.repository == 'esphome/esphome'
     permissions:
       contents: read
       packages: write
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.platform.os }}
     needs: [init]
     strategy:
       fail-fast: false
       matrix:
         platform:
-          - linux/amd64
-          - linux/arm/v7
-          - linux/arm64
+          - arch: amd64
+            os: "ubuntu-24.04"
+          - arch: arm64
+            os: "ubuntu-24.04-arm"
+
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: "3.9"
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.7.1
-      - name: Set up QEMU
-        if: matrix.platform != 'linux/amd64'
-        uses: docker/setup-qemu-action@v3.2.0
+        uses: docker/setup-buildx-action@v3.10.0
 
       - name: Log in to docker hub
-        uses: docker/login-action@v3.3.0
+        uses: docker/login-action@v3.4.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
-        uses: docker/login-action@v3.3.0
+        uses: docker/login-action@v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -110,45 +116,36 @@ jobs:
       - name: Build docker
         uses: ./.github/actions/build-image
         with:
-          platform: ${{ matrix.platform }}
-          target: docker
-          baseimg: docker
+          target: final
+          build_type: docker
           suffix: ""
           version: ${{ needs.init.outputs.tag }}
 
       - name: Build ha-addon
         uses: ./.github/actions/build-image
         with:
-          platform: ${{ matrix.platform }}
-          target: hassio
-          baseimg: hassio
+          target: final
+          build_type: ha-addon
           suffix: "hassio"
           version: ${{ needs.init.outputs.tag }}
 
-      - name: Build lint
-        uses: ./.github/actions/build-image
-        with:
-          platform: ${{ matrix.platform }}
-          target: lint
-          baseimg: docker
-          suffix: lint
-          version: ${{ needs.init.outputs.tag }}
-
-      - name: Sanitize platform name
-        id: sanitize
-        run: |
-          echo "${{ matrix.platform }}" | sed 's|/|-|g' > /tmp/platform
-          echo name=$(cat /tmp/platform) >> $GITHUB_OUTPUT
+      # - name: Build lint
+      #   uses: ./.github/actions/build-image
+      #   with:
+      #     target: lint
+      #     build_type: lint
+      #     suffix: lint
+      #     version: ${{ needs.init.outputs.tag }}
 
       - name: Upload digests
-        uses: actions/upload-artifact@v4.4.3
+        uses: actions/upload-artifact@v4.6.2
         with:
-          name: digests-${{ steps.sanitize.outputs.name }}
+          name: digests-${{ matrix.platform.arch }}
           path: /tmp/digests
           retention-days: 1
 
   deploy-manifest:
-    name: Publish ESPHome ${{ matrix.image.title }} to ${{ matrix.registry }}
+    name: Publish ESPHome ${{ matrix.image.build_type }} to ${{ matrix.registry }}
     runs-on: ubuntu-latest
     needs:
       - init
@@ -161,15 +158,12 @@ jobs:
       fail-fast: false
       matrix:
         image:
-          - title: "ha-addon"
-            target: "hassio"
-            suffix: "hassio"
-          - title: "docker"
-            target: "docker"
+          - build_type: "docker"
             suffix: ""
-          - title: "lint"
-            target: "lint"
-            suffix: "lint"
+          - build_type: "ha-addon"
+            suffix: "hassio"
+            # - build_type: "lint"
+            #   suffix: "lint"
         registry:
           - ghcr
           - dockerhub
@@ -177,24 +171,24 @@ jobs:
       - uses: actions/checkout@v4.1.7
 
       - name: Download digests
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@v4.3.0
         with:
           pattern: digests-*
           path: /tmp/digests
           merge-multiple: true
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.7.1
+        uses: docker/setup-buildx-action@v3.10.0
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'
-        uses: docker/login-action@v3.3.0
+        uses: docker/login-action@v3.4.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
         if: matrix.registry == 'ghcr'
-        uses: docker/login-action@v3.3.0
+        uses: docker/login-action@v3.4.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -213,7 +207,7 @@ jobs:
           done
 
       - name: Create manifest list and push
-        working-directory: /tmp/digests/${{ matrix.image.target }}/${{ matrix.registry }}
+        working-directory: /tmp/digests/${{ matrix.image.build_type }}/${{ matrix.registry }}
         run: |
           docker buildx imagetools create $(jq -Rcnr 'inputs | . / "," | map("-t " + .) | join(" ")' <<< "${{ steps.tags.outputs.tags}}") \
             $(printf '${{ steps.tags.outputs.image }}@sha256:%s ' *)
@@ -244,3 +238,24 @@ jobs:
                 content: description
               }
             })
+
+  deploy-esphome-schema:
+    if: github.repository == 'esphome/esphome' && needs.init.outputs.branch_build == 'false'
+    runs-on: ubuntu-latest
+    needs: [init]
+    environment: ${{ needs.init.outputs.deploy_env }}
+    steps:
+      - name: Trigger Workflow
+        uses: actions/github-script@v7.0.1
+        with:
+          github-token: ${{ secrets.DEPLOY_ESPHOME_SCHEMA_REPO_TOKEN }}
+          script: |
+            github.rest.actions.createWorkflowDispatch({
+              owner: "esphome",
+              repo: "esphome-schema",
+              workflow_id: "generate-schemas.yml",
+              ref: "main",
+              inputs: {
+                version: "${{ needs.init.outputs.tag }}",
+              }
+            })

.github/workflows/stale.yml

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

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

@@ -22,7 +22,7 @@ jobs:
           path: lib/home-assistant
 
       - name: Setup Python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v5.6.0
         with:
           python-version: 3.12
 
@@ -36,11 +36,11 @@ jobs:
           python ./script/sync-device_class.py
 
       - name: Commit changes
-        uses: peter-evans/create-pull-request@v7.0.5
+        uses: peter-evans/create-pull-request@v7.0.8
         with:
           commit-message: "Synchronise Device Classes from Home Assistant"
-          committer: esphomebot <esphome@nabucasa.com>
-          author: esphomebot <esphome@nabucasa.com>
+          committer: esphomebot <esphome@openhomefoundation.org>
+          author: esphomebot <esphome@openhomefoundation.org>
           branch: sync/device-classes
           delete-branch: true
           title: "Synchronise Device Classes from Home Assistant"

.gitignore

@@ -143,3 +143,4 @@ sdkconfig.*
 /components
 /managed_components
 
+api-docs/

.pre-commit-config.yaml

@@ -4,27 +4,19 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.5.4
+    rev: v0.11.9
     hooks:
       # Run the linter.
       - id: ruff
         args: [--fix]
       # Run the formatter.
       - id: ruff-format
-  - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.4.2
-    hooks:
-      - id: black
-        args:
-          - --safe
-          - --quiet
-        files: ^((esphome|script|tests)/.+)?[^/]+\.py$
   - repo: https://github.com/PyCQA/flake8
-    rev: 6.1.0
+    rev: 7.2.0
     hooks:
       - id: flake8
         additional_dependencies:
-          - flake8-docstrings==1.5.0
+          - flake8-docstrings==1.7.0
           - pydocstyle==5.1.1
         files: ^(esphome|tests)/.+\.py$
   - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -41,7 +33,7 @@ repos:
       - id: pyupgrade
         args: [--py39-plus]
   - repo: https://github.com/adrienverge/yamllint.git
-    rev: v1.35.1
+    rev: v1.37.1
     hooks:
       - id: yamllint
   - repo: https://github.com/pre-commit/mirrors-clang-format
@@ -53,6 +45,6 @@ repos:
     hooks:
       - id: pylint
         name: pylint
-        entry: script/run-in-env.sh pylint
-        language: script
+        entry: python3 script/run-in-env.py pylint
+        language: system
         types: [python]

CODEOWNERS

@@ -49,6 +49,7 @@ esphome/components/atc_mithermometer/* @ahpohl
 esphome/components/atm90e26/* @danieltwagner
 esphome/components/atm90e32/* @circuitsetup @descipher
 esphome/components/audio/* @kahrendt
+esphome/components/audio_adc/* @kbx81
 esphome/components/audio_dac/* @kbx81
 esphome/components/axs15231/* @clydebarrow
 esphome/components/b_parasite/* @rbaron
@@ -92,10 +93,12 @@ esphome/components/captive_portal/* @OttoWinter
 esphome/components/ccs811/* @habbie
 esphome/components/cd74hc4067/* @asoehlke
 esphome/components/ch422g/* @clydebarrow @jesterret
+esphome/components/chsc6x/* @kkosik20
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
 esphome/components/color_temperature/* @jesserockz
 esphome/components/combination/* @Cat-Ion @kahrendt
+esphome/components/const/* @esphome/core
 esphome/components/coolix/* @glmnet
 esphome/components/copy/* @OttoWinter
 esphome/components/cover/* @esphome/core
@@ -131,6 +134,9 @@ esphome/components/ens160_base/* @latonita @vincentscode
 esphome/components/ens160_i2c/* @latonita
 esphome/components/ens160_spi/* @latonita
 esphome/components/ens210/* @itn3rd77
+esphome/components/es7210/* @kahrendt
+esphome/components/es7243e/* @kbx81
+esphome/components/es8156/* @kbx81
 esphome/components/es8311/* @kahrendt @kroimon
 esphome/components/esp32/* @esphome/core
 esphome/components/esp32_ble/* @Rapsssito @jesserockz
@@ -144,6 +150,7 @@ esphome/components/esp32_rmt_led_strip/* @jesserockz
 esphome/components/esp8266/* @esphome/core
 esphome/components/ethernet_info/* @gtjadsonsantos
 esphome/components/event/* @nohat
+esphome/components/event_emitter/* @Rapsssito
 esphome/components/exposure_notifications/* @OttoWinter
 esphome/components/ezo/* @ssieb
 esphome/components/ezo_pmp/* @carlos-sarmiento
@@ -162,7 +169,7 @@ esphome/components/gp2y1010au0f/* @zry98
 esphome/components/gp8403/* @jesserockz
 esphome/components/gpio/* @esphome/core
 esphome/components/gpio/one_wire/* @ssieb
-esphome/components/gps/* @coogle
+esphome/components/gps/* @coogle @ximex
 esphome/components/graph/* @synco
 esphome/components/graphical_display_menu/* @MrMDavidson
 esphome/components/gree/* @orestismers
@@ -229,6 +236,7 @@ esphome/components/kuntze/* @ssieb
 esphome/components/lcd_menu/* @numo68
 esphome/components/ld2410/* @regevbr @sebcaps
 esphome/components/ld2420/* @descipher
+esphome/components/ld2450/* @hareeshmu
 esphome/components/ledc/* @OttoWinter
 esphome/components/libretiny/* @kuba2k2
 esphome/components/libretiny_pwm/* @kuba2k2
@@ -237,11 +245,13 @@ esphome/components/lightwaverf/* @max246
 esphome/components/lilygo_t5_47/touchscreen/* @jesserockz
 esphome/components/lock/* @esphome/core
 esphome/components/logger/* @esphome/core
+esphome/components/logger/select/* @clydebarrow
 esphome/components/ltr390/* @latonita @sjtrny
 esphome/components/ltr501/* @latonita
 esphome/components/ltr_als_ps/* @latonita
 esphome/components/lvgl/* @clydebarrow
 esphome/components/m5stack_8angle/* @rnauber
+esphome/components/mapping/* @clydebarrow
 esphome/components/matrix_keypad/* @ssieb
 esphome/components/max17043/* @blacknell
 esphome/components/max31865/* @DAVe3283
@@ -258,6 +268,7 @@ esphome/components/mcp23x17_base/* @jesserockz
 esphome/components/mcp23xxx_base/* @jesserockz
 esphome/components/mcp2515/* @danielschramm @mvturnho
 esphome/components/mcp3204/* @rsumner
+esphome/components/mcp4461/* @p1ngb4ck
 esphome/components/mcp4728/* @berfenger
 esphome/components/mcp47a1/* @jesserockz
 esphome/components/mcp9600/* @mreditor97
@@ -267,11 +278,13 @@ esphome/components/mdns/* @esphome/core
 esphome/components/media_player/* @jesserockz
 esphome/components/micro_wake_word/* @jesserockz @kahrendt
 esphome/components/micronova/* @jorre05
-esphome/components/microphone/* @jesserockz
+esphome/components/microphone/* @jesserockz @kahrendt
 esphome/components/mics_4514/* @jesserockz
 esphome/components/midea/* @dudanov
 esphome/components/midea_ir/* @dudanov
+esphome/components/mipi_spi/* @clydebarrow
 esphome/components/mitsubishi/* @RubyBailey
+esphome/components/mixer/speaker/* @kahrendt
 esphome/components/mlx90393/* @functionpointer
 esphome/components/mlx90614/* @jesserockz
 esphome/components/mmc5603/* @benhoff
@@ -290,6 +303,7 @@ esphome/components/mopeka_std_check/* @Fabian-Schmidt
 esphome/components/mpl3115a2/* @kbickar
 esphome/components/mpu6886/* @fabaff
 esphome/components/ms8607/* @e28eta
+esphome/components/msa3xx/* @latonita
 esphome/components/nau7802/* @cujomalainey
 esphome/components/network/* @esphome/core
 esphome/components/nextion/* @edwardtfn @senexcrenshaw
@@ -302,10 +316,11 @@ esphome/components/noblex/* @AGalfra
 esphome/components/npi19/* @bakerkj
 esphome/components/number/* @esphome/core
 esphome/components/one_wire/* @ssieb
-esphome/components/online_image/* @guillempages
+esphome/components/online_image/* @clydebarrow @guillempages
 esphome/components/opentherm/* @olegtarasov
 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/pcf85063/* @brogon
@@ -313,7 +328,9 @@ esphome/components/pcf8563/* @KoenBreeman
 esphome/components/pid/* @OttoWinter
 esphome/components/pipsolar/* @andreashergert1984
 esphome/components/pm1006/* @habbie
+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
@@ -338,7 +355,7 @@ esphome/components/radon_eye_rd200/* @jeffeb3
 esphome/components/rc522/* @glmnet
 esphome/components/rc522_i2c/* @glmnet
 esphome/components/rc522_spi/* @glmnet
-esphome/components/resistance_sampler/* @jesserockz
+esphome/components/resampler/speaker/* @kahrendt
 esphome/components/restart/* @esphome/core
 esphome/components/rf_bridge/* @jesserockz
 esphome/components/rgbct/* @jesserockz
@@ -351,7 +368,7 @@ esphome/components/rtttl/* @glmnet
 esphome/components/safe_mode/* @jsuanet @kbx81 @paulmonigatti
 esphome/components/scd4x/* @martgras @sjtrny
 esphome/components/script/* @esphome/core
-esphome/components/sdl/* @clydebarrow
+esphome/components/sdl/* @bdm310 @clydebarrow
 esphome/components/sdm_meter/* @jesserockz @polyfaces
 esphome/components/sdp3x/* @Azimath
 esphome/components/seeed_mr24hpc1/* @limengdu
@@ -382,7 +399,9 @@ esphome/components/smt100/* @piechade
 esphome/components/sn74hc165/* @jesserockz
 esphome/components/socket/* @esphome/core
 esphome/components/sonoff_d1/* @anatoly-savchenkov
+esphome/components/sound_level/* @kahrendt
 esphome/components/speaker/* @jesserockz @kahrendt
+esphome/components/speaker/media_player/* @kahrendt @synesthesiam
 esphome/components/spi/* @clydebarrow @esphome/core
 esphome/components/spi_device/* @clydebarrow
 esphome/components/spi_led_strip/* @clydebarrow
@@ -412,6 +431,7 @@ esphome/components/sun/* @OttoWinter
 esphome/components/sun_gtil2/* @Mat931
 esphome/components/switch/* @esphome/core
 esphome/components/switch/binary_sensor/* @ssieb
+esphome/components/syslog/* @clydebarrow
 esphome/components/t6615/* @tylermenezes
 esphome/components/tc74/* @sethgirvan
 esphome/components/tca9548a/* @andreashergert1984
@@ -437,6 +457,7 @@ esphome/components/tmp102/* @timsavage
 esphome/components/tmp1075/* @sybrenstuvel
 esphome/components/tmp117/* @Azimath
 esphome/components/tof10120/* @wstrzalka
+esphome/components/tormatic/* @ti-mo
 esphome/components/toshiba/* @kbx81
 esphome/components/touchscreen/* @jesserockz @nielsnl68
 esphome/components/tsl2591/* @wjcarpenter
@@ -450,6 +471,7 @@ esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra
 esphome/components/uart/* @esphome/core
 esphome/components/uart/button/* @ssieb
+esphome/components/uart/packet_transport/* @clydebarrow
 esphome/components/udp/* @clydebarrow
 esphome/components/ufire_ec/* @pvizeli
 esphome/components/ufire_ise/* @pvizeli
@@ -493,5 +515,6 @@ esphome/components/xiaomi_mhoc401/* @vevsvevs
 esphome/components/xiaomi_rtcgq02lm/* @jesserockz
 esphome/components/xl9535/* @mreditor97
 esphome/components/xpt2046/touchscreen/* @nielsnl68 @numo68
+esphome/components/xxtea/* @clydebarrow
 esphome/components/zhlt01/* @cfeenstra1024
 esphome/components/zio_ultrasonic/* @kahrendt

CODE_OF_CONDUCT.md

@@ -34,7 +34,7 @@ This Code of Conduct applies both within project spaces and in public spaces whe
 
 ## Enforcement
 
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at esphome@nabucasa.com. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at esphome@openhomefoundation.org. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
 
 Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
 

CONTRIBUTING.md

@@ -1,12 +1,14 @@
-# Contributing to ESPHome
+# Contributing to ESPHome [![Discord Chat](https://img.shields.io/discord/429907082951524364.svg)](https://discord.gg/KhAMKrd) [![GitHub release](https://img.shields.io/github/release/esphome/esphome.svg)](https://GitHub.com/esphome/esphome/releases/)
 
-For a detailed guide, please see https://esphome.io/guides/contributing.html#contributing-to-esphome
+We welcome contributions to the ESPHome suite of code and documentation!
 
-Things to note when contributing:
+Please read our [contributing guide](https://esphome.io/guides/contributing.html) if you wish to contribute to the
+project and be sure to join us on [Discord](https://discord.gg/KhAMKrd).
 
- - Please test your changes :)
- - If a new feature is added or an existing user-facing feature is changed, you should also
-   update the [docs](https://github.com/esphome/esphome-docs). See [contributing to esphome-docs](https://esphome.io/guides/contributing.html#contributing-to-esphomedocs)
-   for more information.
- - Please also update the tests in the `tests/` folder. You can do so by just adding a line in one of the YAML files
-   which checks if your new feature compiles correctly.
+**See also:**
+
+[Documentation](https://esphome.io) -- [Issues](https://github.com/esphome/issues/issues) -- [Feature requests](https://github.com/esphome/feature-requests/issues)
+
+---
+
+[![ESPHome - A project from the Open Home Foundation](https://www.openhomefoundation.org/badges/esphome.png)](https://www.openhomefoundation.org/)

README.md

@@ -1,11 +1,16 @@
 # ESPHome [![Discord Chat](https://img.shields.io/discord/429907082951524364.svg)](https://discord.gg/KhAMKrd) [![GitHub release](https://img.shields.io/github/release/esphome/esphome.svg)](https://GitHub.com/esphome/esphome/releases/)
 
-[![ESPHome Logo](https://esphome.io/_images/logo-text.png)](https://esphome.io/)
+<a href="https://esphome.io/">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://esphome.io/_static/logo-text-on-dark.svg", alt="ESPHome Logo">
+    <img src="https://esphome.io/_static/logo-text-on-light.svg" alt="ESPHome Logo">
+  </picture>
+</a>
 
-**Documentation:** https://esphome.io/
+---
 
-For issues, please go to [the issue tracker](https://github.com/esphome/issues/issues).
+[Documentation](https://esphome.io) -- [Issues](https://github.com/esphome/issues/issues) -- [Feature requests](https://github.com/esphome/feature-requests/issues)
 
-For feature requests, please see [feature requests](https://github.com/esphome/feature-requests/issues).
+---
 
 [![ESPHome - A project from the Open Home Foundation](https://www.openhomefoundation.org/badges/esphome.png)](https://www.openhomefoundation.org/)

docker/Dockerfile

@@ -1,155 +1,56 @@
-# Build these with the build.py script
-# Example:
-#   python3 docker/build.py --tag dev --arch amd64 --build-type docker build
+ARG BUILD_VERSION=dev
+ARG BUILD_OS=alpine
+ARG BUILD_BASE_VERSION=2025.04.0
+ARG BUILD_TYPE=docker
 
-# One of "docker", "hassio"
-ARG BASEIMGTYPE=docker
+FROM ghcr.io/esphome/docker-base:${BUILD_OS}-${BUILD_BASE_VERSION} AS base-source-docker
+FROM ghcr.io/esphome/docker-base:${BUILD_OS}-ha-addon-${BUILD_BASE_VERSION} AS base-source-ha-addon
 
+ARG BUILD_TYPE
+FROM base-source-${BUILD_TYPE} AS base
 
-# https://github.com/hassio-addons/addon-debian-base/releases
-FROM ghcr.io/hassio-addons/debian-base:7.2.0 AS base-hassio
-# https://hub.docker.com/_/debian?tab=tags&page=1&name=bookworm
-FROM debian:12.2-slim AS base-docker
+RUN git config --system --add safe.directory "*"
 
-FROM base-${BASEIMGTYPE} AS base
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1
 
+RUN pip install --no-cache-dir -U pip uv==0.6.14
 
-ARG TARGETARCH
-ARG TARGETVARIANT
-
-
-# Note that --break-system-packages is used below because
-# https://peps.python.org/pep-0668/ added a safety check that prevents
-# installing packages with the same name as a system package. This is
-# not a problem for us because we are not concerned about overwriting
-# system packages because we are running in an isolated container.
+COPY requirements.txt /
 
 RUN \
-    apt-get update \
-    # Use pinned versions so that we get updates with build caching
-    && apt-get install -y --no-install-recommends \
-        python3-pip=23.0.1+dfsg-1 \
-        python3-setuptools=66.1.1-1+deb12u1 \
-        python3-venv=3.11.2-1+b1 \
-        python3-wheel=0.38.4-2 \
-        iputils-ping=3:20221126-1+deb12u1 \
-        git=1:2.39.5-0+deb12u1 \
-        curl=7.88.1-10+deb12u8 \
-        openssh-client=1:9.2p1-2+deb12u3 \
-        python3-cffi=1.15.1-5 \
-        libcairo2=1.16.0-7 \
-        libmagic1=1:5.44-3 \
-        patch=2.7.6-7 \
-    && rm -rf \
-        /tmp/* \
-        /var/{cache,log}/* \
-        /var/lib/apt/lists/*
-
-ENV \
-  # Fix click python3 lang warning https://click.palletsprojects.com/en/7.x/python3/
-  LANG=C.UTF-8 LC_ALL=C.UTF-8 \
-  # Store globally installed pio libs in /piolibs
-  PLATFORMIO_GLOBALLIB_DIR=/piolibs
-
-# Support legacy binaries on Debian multiarch system. There is no "correct" way
-# to do this, other than using properly built toolchains...
-# See: https://unix.stackexchange.com/questions/553743/correct-way-to-add-lib-ld-linux-so-3-in-debian
-RUN \
-    if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
-        ln -s /lib/arm-linux-gnueabihf/ld-linux-armhf.so.3 /lib/ld-linux.so.3; \
-    fi
+    uv pip install --no-cache-dir \
+    -r /requirements.txt
 
 RUN \
-    # Ubuntu python3-pip is missing wheel
-    if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
-        export PIP_EXTRA_INDEX_URL="https://www.piwheels.org/simple"; \
-    fi; \
-    pip3 install \
-    --break-system-packages --no-cache-dir \
-    # Keep platformio version in sync with requirements.txt
-    platformio==6.1.16 \
-    # Change some platformio settings
-    && platformio settings set enable_telemetry No \
+    platformio settings set enable_telemetry No \
     && platformio settings set check_platformio_interval 1000000 \
     && mkdir -p /piolibs
 
-
-# First install requirements to leverage caching when requirements don't change
-# tmpfs is for https://github.com/rust-lang/cargo/issues/8719
-
-COPY requirements.txt requirements_optional.txt /
-RUN --mount=type=tmpfs,target=/root/.cargo <<END-OF-RUN
-# Fail on any non-zero status
-set -e
-
-if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]
-then
-    curl -L https://www.piwheels.org/cp311/cryptography-43.0.0-cp37-abi3-linux_armv7l.whl -o /tmp/cryptography-43.0.0-cp37-abi3-linux_armv7l.whl
-    pip3 install --break-system-packages --no-cache-dir /tmp/cryptography-43.0.0-cp37-abi3-linux_armv7l.whl
-    rm /tmp/cryptography-43.0.0-cp37-abi3-linux_armv7l.whl
-    export PIP_EXTRA_INDEX_URL="https://www.piwheels.org/simple";
-fi
-
-# install build tools in case wheels are not available
-BUILD_DEPS="
-    build-essential=12.9
-    python3-dev=3.11.2-1+b1
-    zlib1g-dev=1:1.2.13.dfsg-1
-    libjpeg-dev=1:2.1.5-2
-    libfreetype-dev=2.12.1+dfsg-5+deb12u3
-    libssl-dev=3.0.15-1~deb12u1
-    libffi-dev=3.4.4-1
-    cargo=0.66.0+ds1-1
-    pkg-config=1.8.1-1
-"
-LIB_DEPS="
-    libtiff6=4.5.0-6+deb12u1
-    libopenjp2-7=2.5.0-2
-"
-if [ "$TARGETARCH$TARGETVARIANT" = "arm64" ] || [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]
-then
-    apt-get update
-    apt-get install -y --no-install-recommends $BUILD_DEPS $LIB_DEPS
-fi
-
-CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse CARGO_HOME=/root/.cargo
-pip3 install --break-system-packages --no-cache-dir -r /requirements.txt -r /requirements_optional.txt
-
-if [ "$TARGETARCH$TARGETVARIANT" = "arm64" ] || [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]
-then
-    apt-get remove -y --purge --auto-remove $BUILD_DEPS
-    rm -rf /tmp/* /var/{cache,log}/* /var/lib/apt/lists/*
-fi
-END-OF-RUN
-
-
 COPY script/platformio_install_deps.py platformio.ini /
 RUN /platformio_install_deps.py /platformio.ini --libraries
 
-# Avoid unsafe git error when container user and file config volume permissions don't match
-RUN git config --system --add safe.directory '*'
+ARG BUILD_VERSION
+
+LABEL \
+    org.opencontainers.image.authors="The ESPHome Authors" \
+    org.opencontainers.image.title="ESPHome" \
+    org.opencontainers.image.description="ESPHome is a system to configure your microcontrollers by simple yet powerful configuration files and control them remotely through Home Automation systems" \
+    org.opencontainers.image.url="https://esphome.io/" \
+    org.opencontainers.image.documentation="https://esphome.io/" \
+    org.opencontainers.image.source="https://github.com/esphome/esphome" \
+    org.opencontainers.image.licenses="ESPHome" \
+    org.opencontainers.image.version=${BUILD_VERSION}
 
 
 # ======================= docker-type image =======================
-FROM base AS docker
-
-# Copy esphome and install
-COPY . /esphome
-RUN if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
-        export PIP_EXTRA_INDEX_URL="https://www.piwheels.org/simple"; \
-  fi; \
-  pip3 install \
-  --break-system-packages --no-cache-dir -e /esphome
-
-# Settings for dashboard
-ENV USERNAME="" PASSWORD=""
+FROM base AS base-docker
 
 # Expose the dashboard to Docker
 EXPOSE 6052
 
 # Run healthcheck (heartbeat)
 HEALTHCHECK --interval=30s --timeout=30s \
-  CMD curl --fail http://localhost:6052/version -A "HealthCheck" || exit 1
+    CMD curl --fail http://localhost:6052/version -A "HealthCheck" || exit 1
 
 COPY docker/docker_entrypoint.sh /entrypoint.sh
 
@@ -163,47 +64,13 @@ ENTRYPOINT ["/entrypoint.sh"]
 CMD ["dashboard", "/config"]
 
 
-ARG BUILD_VERSION=dev
-
-# Labels
-LABEL \
-    org.opencontainers.image.authors="The ESPHome Authors" \
-    org.opencontainers.image.title="ESPHome" \
-    org.opencontainers.image.description="ESPHome is a system to configure your microcontrollers by simple yet powerful configuration files and control them remotely through Home Automation systems" \
-    org.opencontainers.image.url="https://esphome.io/" \
-    org.opencontainers.image.documentation="https://esphome.io/" \
-    org.opencontainers.image.source="https://github.com/esphome/esphome" \
-    org.opencontainers.image.licenses="ESPHome" \
-    org.opencontainers.image.version=${BUILD_VERSION}
-
-
-# ======================= hassio-type image =======================
-FROM base AS hassio
-
-RUN \
-    apt-get update \
-    # Use pinned versions so that we get updates with build caching
-    && apt-get install -y --no-install-recommends \
-        nginx-light=1.22.1-9 \
-    && rm -rf \
-        /tmp/* \
-        /var/{cache,log}/* \
-        /var/lib/apt/lists/*
-
-ARG BUILD_VERSION=dev
+# ======================= ha-addon-type image =======================
+FROM base AS base-ha-addon
 
 # Copy root filesystem
 COPY docker/ha-addon-rootfs/ /
 
-# Copy esphome and install
-COPY . /esphome
-RUN if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
-        export PIP_EXTRA_INDEX_URL="https://www.piwheels.org/simple"; \
-  fi; \
-  pip3 install \
-  --break-system-packages --no-cache-dir -e /esphome
-
-# Labels
+ARG BUILD_VERSION
 LABEL \
     io.hass.name="ESPHome" \
     io.hass.description="ESPHome is a system to configure your microcontrollers by simple yet powerful configuration files and control them remotely through Home Automation systems" \
@@ -211,42 +78,9 @@ LABEL \
     io.hass.version="${BUILD_VERSION}"
     # io.hass.arch is inherited from addon-debian-base
 
+ARG BUILD_TYPE
+FROM base-${BUILD_TYPE} AS final
 
-
-
-# ======================= lint-type image =======================
-FROM base AS lint
-
-ENV \
-  PLATFORMIO_CORE_DIR=/esphome/.temp/platformio
-
-RUN \
-    curl -L https://apt.llvm.org/llvm-snapshot.gpg.key -o /etc/apt/trusted.gpg.d/apt.llvm.org.asc \
-    && echo "deb http://apt.llvm.org/bookworm/ llvm-toolchain-bookworm-18 main" > /etc/apt/sources.list.d/llvm.sources.list \
-    && apt-get update \
-    # Use pinned versions so that we get updates with build caching
-    && apt-get install -y --no-install-recommends \
-        clang-format-13=1:13.0.1-11+b2 \
-        patch=2.7.6-7 \
-        software-properties-common=0.99.30-4.1~deb12u1 \
-        nano=7.2-1+deb12u1 \
-        build-essential=12.9 \
-        python3-dev=3.11.2-1+b1 \
-    && if [ "$TARGETARCH$TARGETVARIANT" != "armv7" ]; then \
-    # move this up after armv7 is retired
-    apt-get install -y --no-install-recommends clang-tidy-18=1:18.1.8~++20240731024826+3b5b5c1ec4a3-1~exp1~20240731144843.145 ; \
-    fi; \
-    rm -rf \
-        /tmp/* \
-        /var/{cache,log}/* \
-        /var/lib/apt/lists/*
-
-COPY requirements_test.txt /
-RUN if [ "$TARGETARCH$TARGETVARIANT" = "armv7" ]; then \
-        export PIP_EXTRA_INDEX_URL="https://www.piwheels.org/simple"; \
-  fi; \
-  pip3 install \
-  --break-system-packages --no-cache-dir -r /requirements_test.txt
-
-VOLUME ["/esphome"]
-WORKDIR /esphome
+# Copy esphome and install
+COPY . /esphome
+RUN uv pip install --no-cache-dir -e /esphome

docker/build.py

@@ -1,22 +1,19 @@
 #!/usr/bin/env python3
-from dataclasses import dataclass
-import subprocess
 import argparse
-from platform import machine
-import shlex
+from dataclasses import dataclass
 import re
+import shlex
+import subprocess
 import sys
 
-
 CHANNEL_DEV = "dev"
 CHANNEL_BETA = "beta"
 CHANNEL_RELEASE = "release"
 CHANNELS = [CHANNEL_DEV, CHANNEL_BETA, CHANNEL_RELEASE]
 
 ARCH_AMD64 = "amd64"
-ARCH_ARMV7 = "armv7"
 ARCH_AARCH64 = "aarch64"
-ARCHS = [ARCH_AMD64, ARCH_ARMV7, ARCH_AARCH64]
+ARCHS = [ARCH_AMD64, ARCH_AARCH64]
 
 TYPE_DOCKER = "docker"
 TYPE_HA_ADDON = "ha-addon"
@@ -57,7 +54,7 @@ manifest_parser = subparsers.add_parser(
 class DockerParams:
     build_to: str
     manifest_to: str
-    baseimgtype: str
+    build_type: str
     platform: str
     target: str
 
@@ -69,25 +66,19 @@ class DockerParams:
             TYPE_LINT: "esphome/esphome-lint",
         }[build_type]
         build_to = f"{prefix}-{arch}"
-        baseimgtype = {
-            TYPE_DOCKER: "docker",
-            TYPE_HA_ADDON: "hassio",
-            TYPE_LINT: "docker",
-        }[build_type]
         platform = {
             ARCH_AMD64: "linux/amd64",
-            ARCH_ARMV7: "linux/arm/v7",
             ARCH_AARCH64: "linux/arm64",
         }[arch]
         target = {
-            TYPE_DOCKER: "docker",
-            TYPE_HA_ADDON: "hassio",
+            TYPE_DOCKER: "final",
+            TYPE_HA_ADDON: "final",
             TYPE_LINT: "lint",
         }[build_type]
         return cls(
             build_to=build_to,
             manifest_to=prefix,
-            baseimgtype=baseimgtype,
+            build_type=build_type,
             platform=platform,
             target=target,
         )
@@ -149,7 +140,7 @@ def main():
             "buildx",
             "build",
             "--build-arg",
-            f"BASEIMGTYPE={params.baseimgtype}",
+            f"BUILD_TYPE={params.build_type}",
             "--build-arg",
             f"BUILD_VERSION={args.tag}",
             "--cache-from",

docker/generate_tags.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
-import re
 import argparse
+import re
 
 CHANNEL_DEV = "dev"
 CHANNEL_BETA = "beta"

docker/ha-addon-rootfs/etc/s6-overlay/s6-rc.d/esphome/run

@@ -23,10 +23,6 @@ if bashio::config.true 'streamer_mode'; then
     export ESPHOME_STREAMER_MODE=true
 fi
 
-if bashio::config.true 'status_use_ping'; then
-    export ESPHOME_DASHBOARD_USE_PING=true
-fi
-
 if bashio::config.has_value 'relative_url'; then
     export ESPHOME_DASHBOARD_RELATIVE_URL=$(bashio::config 'relative_url')
 fi

esphome/__main__.py

@@ -2,6 +2,7 @@
 import argparse
 from datetime import datetime
 import functools
+import importlib
 import logging
 import os
 import re
@@ -42,7 +43,7 @@ from esphome.const import (
 )
 from esphome.core import CORE, EsphomeError, coroutine
 from esphome.helpers import get_bool_env, indent, is_ip_address
-from esphome.log import Fore, color, setup_log
+from esphome.log import AnsiFore, color, setup_log
 from esphome.util import (
     get_serial_ports,
     list_yaml_files,
@@ -66,7 +67,7 @@ def choose_prompt(options, purpose: str = None):
         return options[0][1]
 
     safe_print(
-        f'Found multiple options{f" for {purpose}" if purpose else ""}, please choose one:'
+        f"Found multiple options{f' for {purpose}' if purpose else ''}, please choose one:"
     )
     for i, (desc, _) in enumerate(options):
         safe_print(f"  [{i + 1}] {desc}")
@@ -82,7 +83,7 @@ def choose_prompt(options, purpose: str = None):
                 raise ValueError
             break
         except ValueError:
-            safe_print(color(Fore.RED, f"Invalid option: '{opt}'"))
+            safe_print(color(AnsiFore.RED, f"Invalid option: '{opt}'"))
     return options[opt - 1][1]
 
 
@@ -132,7 +133,7 @@ def get_port_type(port):
     return "NETWORK"
 
 
-def run_miniterm(config, port):
+def run_miniterm(config, port, args):
     import serial
 
     from esphome import platformio_api
@@ -153,7 +154,7 @@ def run_miniterm(config, port):
 
     # We can't set to False by default since it leads to toggling and hence
     # ESP32 resets on some platforms.
-    if config["logger"][CONF_DEASSERT_RTS_DTR]:
+    if config["logger"][CONF_DEASSERT_RTS_DTR] or args.reset:
         ser.dtr = False
         ser.rts = False
 
@@ -243,11 +244,11 @@ def compile_program(args, config):
     return 0 if idedata is not None else 1
 
 
-def upload_using_esptool(config, port, file):
+def upload_using_esptool(config, port, file, speed):
     from esphome import platformio_api
 
-    first_baudrate = config[CONF_ESPHOME][CONF_PLATFORMIO_OPTIONS].get(
-        "upload_speed", 460800
+    first_baudrate = speed or config[CONF_ESPHOME][CONF_PLATFORMIO_OPTIONS].get(
+        "upload_speed", os.getenv("ESPHOME_UPLOAD_SPEED", "460800")
     )
 
     if file is not None:
@@ -336,11 +337,18 @@ def check_permissions(port):
 
 
 def upload_program(config, args, host):
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        if getattr(module, "upload_program")(config, args, host):
+            return 0
+    except AttributeError:
+        pass
+
     if get_port_type(host) == "SERIAL":
         check_permissions(host)
         if CORE.target_platform in (PLATFORM_ESP32, PLATFORM_ESP8266):
             file = getattr(args, "file", None)
-            return upload_using_esptool(config, host, file)
+            return upload_using_esptool(config, host, file, args.upload_speed)
 
         if CORE.target_platform in (PLATFORM_RP2040):
             return upload_using_platformio(config, args.device)
@@ -367,10 +375,12 @@ def upload_program(config, args, host):
     password = ota_conf.get(CONF_PASSWORD, "")
 
     if (
-        not is_ip_address(CORE.address)  # pylint: disable=too-many-boolean-expressions
-        and (get_port_type(host) == "MQTT" or config[CONF_MDNS][CONF_DISABLED])
-        and CONF_MQTT in config
+        CONF_MQTT in config  # pylint: disable=too-many-boolean-expressions
         and (not args.device or args.device in ("MQTT", "OTA"))
+        and (
+            ((config[CONF_MDNS][CONF_DISABLED]) and not is_ip_address(CORE.address))
+            or get_port_type(host) == "MQTT"
+        )
     ):
         from esphome import mqtt
 
@@ -389,7 +399,7 @@ def show_logs(config, args, port):
         raise EsphomeError("Logger is not configured!")
     if get_port_type(port) == "SERIAL":
         check_permissions(port)
-        return run_miniterm(config, port)
+        return run_miniterm(config, port, args)
     if get_port_type(port) == "NETWORK" and "api" in config:
         if config[CONF_MDNS][CONF_DISABLED] and CONF_MQTT in config:
             from esphome import mqtt
@@ -586,30 +596,30 @@ def command_update_all(args):
         click.echo(f"{half_line}{middle_text}{half_line}")
 
     for f in files:
-        print(f"Updating {color(Fore.CYAN, f)}")
+        print(f"Updating {color(AnsiFore.CYAN, f)}")
         print("-" * twidth)
         print()
         rc = run_external_process(
             "esphome", "--dashboard", "run", f, "--no-logs", "--device", "OTA"
         )
         if rc == 0:
-            print_bar(f"[{color(Fore.BOLD_GREEN, 'SUCCESS')}] {f}")
+            print_bar(f"[{color(AnsiFore.BOLD_GREEN, 'SUCCESS')}] {f}")
             success[f] = True
         else:
-            print_bar(f"[{color(Fore.BOLD_RED, 'ERROR')}] {f}")
+            print_bar(f"[{color(AnsiFore.BOLD_RED, 'ERROR')}] {f}")
             success[f] = False
 
         print()
         print()
         print()
 
-    print_bar(f"[{color(Fore.BOLD_WHITE, 'SUMMARY')}]")
+    print_bar(f"[{color(AnsiFore.BOLD_WHITE, 'SUMMARY')}]")
     failed = 0
     for f in files:
         if success[f]:
-            print(f"  - {f}: {color(Fore.GREEN, 'SUCCESS')}")
+            print(f"  - {f}: {color(AnsiFore.GREEN, 'SUCCESS')}")
         else:
-            print(f"  - {f}: {color(Fore.BOLD_RED, 'FAILED')}")
+            print(f"  - {f}: {color(AnsiFore.BOLD_RED, 'FAILED')}")
             failed += 1
     return failed
 
@@ -635,7 +645,7 @@ def command_rename(args, config):
         if c not in ALLOWED_NAME_CHARS:
             print(
                 color(
-                    Fore.BOLD_RED,
+                    AnsiFore.BOLD_RED,
                     f"'{c}' is an invalid character for names. Valid characters are: "
                     f"{ALLOWED_NAME_CHARS} (lowercase, no spaces)",
                 )
@@ -648,7 +658,9 @@ def command_rename(args, config):
     yaml = yaml_util.load_yaml(CORE.config_path)
     if CONF_ESPHOME not in yaml or CONF_NAME not in yaml[CONF_ESPHOME]:
         print(
-            color(Fore.BOLD_RED, "Complex YAML files cannot be automatically renamed.")
+            color(
+                AnsiFore.BOLD_RED, "Complex YAML files cannot be automatically renamed."
+            )
         )
         return 1
     old_name = yaml[CONF_ESPHOME][CONF_NAME]
@@ -671,7 +683,7 @@ def command_rename(args, config):
             )
             > 1
         ):
-            print(color(Fore.BOLD_RED, "Too many matches in YAML to safely rename"))
+            print(color(AnsiFore.BOLD_RED, "Too many matches in YAML to safely rename"))
             return 1
 
         new_raw = re.sub(
@@ -683,7 +695,7 @@ def command_rename(args, config):
 
     new_path = os.path.join(CORE.config_dir, args.name + ".yaml")
     print(
-        f"Updating {color(Fore.CYAN, CORE.config_path)} to {color(Fore.CYAN, new_path)}"
+        f"Updating {color(AnsiFore.CYAN, CORE.config_path)} to {color(AnsiFore.CYAN, new_path)}"
     )
     print()
 
@@ -692,7 +704,7 @@ def command_rename(args, config):
 
     rc = run_external_process("esphome", "config", new_path)
     if rc != 0:
-        print(color(Fore.BOLD_RED, "Rename failed. Reverting changes."))
+        print(color(AnsiFore.BOLD_RED, "Rename failed. Reverting changes."))
         os.remove(new_path)
         return 1
 
@@ -718,7 +730,7 @@ def command_rename(args, config):
     if CORE.config_path != new_path:
         os.remove(CORE.config_path)
 
-    print(color(Fore.BOLD_GREEN, "SUCCESS"))
+    print(color(AnsiFore.BOLD_GREEN, "SUCCESS"))
     print()
     return 0
 
@@ -758,6 +770,14 @@ def parse_args(argv):
     options_parser.add_argument(
         "-q", "--quiet", help="Disable all ESPHome logs.", action="store_true"
     )
+    options_parser.add_argument(
+        "-l",
+        "--log-level",
+        help="Set the log level.",
+        default=os.getenv("ESPHOME_LOG_LEVEL", "INFO"),
+        action="store",
+        choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
+    )
     options_parser.add_argument(
         "--dashboard", help=argparse.SUPPRESS, action="store_true"
     )
@@ -826,6 +846,10 @@ def parse_args(argv):
         "--device",
         help="Manually specify the serial port/address to use, for example /dev/ttyUSB0.",
     )
+    parser_upload.add_argument(
+        "--upload_speed",
+        help="Override the default or configured upload speed.",
+    )
     parser_upload.add_argument(
         "--file",
         help="Manually specify the binary file to upload.",
@@ -844,6 +868,13 @@ def parse_args(argv):
         "--device",
         help="Manually specify the serial port/address to use, for example /dev/ttyUSB0.",
     )
+    parser_logs.add_argument(
+        "--reset",
+        "-r",
+        action="store_true",
+        help="Reset the device before starting serial logs.",
+        default=os.getenv("ESPHOME_SERIAL_LOGGING_RESET"),
+    )
 
     parser_discover = subparsers.add_parser(
         "discover",
@@ -866,9 +897,20 @@ def parse_args(argv):
         "--device",
         help="Manually specify the serial port/address to use, for example /dev/ttyUSB0.",
     )
+    parser_run.add_argument(
+        "--upload_speed",
+        help="Override the default or configured upload speed.",
+    )
     parser_run.add_argument(
         "--no-logs", help="Disable starting logs.", action="store_true"
     )
+    parser_run.add_argument(
+        "--reset",
+        "-r",
+        action="store_true",
+        help="Reset the device before starting serial logs.",
+        default=os.getenv("ESPHOME_SERIAL_LOGGING_RESET"),
+    )
 
     parser_clean = subparsers.add_parser(
         "clean-mqtt",
@@ -987,11 +1029,16 @@ def run_esphome(argv):
     args = parse_args(argv)
     CORE.dashboard = args.dashboard
 
+    # Override log level if verbose is set
+    if args.verbose:
+        args.log_level = "DEBUG"
+    elif args.quiet:
+        args.log_level = "CRITICAL"
+
     setup_log(
-        args.verbose,
-        args.quiet,
+        log_level=args.log_level,
         # Show timestamp for dashboard access logs
-        args.command == "dashboard",
+        include_timestamp=args.command == "dashboard",
     )
 
     if args.command in PRE_CONFIG_ACTIONS:

esphome/components/a01nyub/sensor.py

@@ -1,10 +1,10 @@
 import esphome.codegen as cg
 from esphome.components import sensor, uart
 from esphome.const import (
+    DEVICE_CLASS_DISTANCE,
+    ICON_ARROW_EXPAND_VERTICAL,
     STATE_CLASS_MEASUREMENT,
     UNIT_METER,
-    ICON_ARROW_EXPAND_VERTICAL,
-    DEVICE_CLASS_DISTANCE,
 )
 
 CODEOWNERS = ["@MrSuicideParrot"]

esphome/components/a02yyuw/sensor.py

@@ -1,9 +1,9 @@
 import esphome.codegen as cg
 from esphome.components import sensor, uart
 from esphome.const import (
-    STATE_CLASS_MEASUREMENT,
-    ICON_ARROW_EXPAND_VERTICAL,
     DEVICE_CLASS_DISTANCE,
+    ICON_ARROW_EXPAND_VERTICAL,
+    STATE_CLASS_MEASUREMENT,
     UNIT_MILLIMETER,
 )
 

esphome/components/a4988/stepper.py

@@ -1,10 +1,9 @@
 from esphome import pins
+import esphome.codegen as cg
 from esphome.components import stepper
 import esphome.config_validation as cv
-import esphome.codegen as cg
 from esphome.const import CONF_DIR_PIN, CONF_ID, CONF_SLEEP_PIN, CONF_STEP_PIN
 
-
 a4988_ns = cg.esphome_ns.namespace("a4988")
 A4988 = a4988_ns.class_("A4988", stepper.Stepper, cg.Component)
 

esphome/components/absolute_humidity/sensor.py

@@ -1,12 +1,12 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_EQUATION,
     CONF_HUMIDITY,
     CONF_TEMPERATURE,
-    STATE_CLASS_MEASUREMENT,
-    CONF_EQUATION,
     ICON_WATER,
+    STATE_CLASS_MEASUREMENT,
     UNIT_GRAMS_PER_CUBIC_METER,
 )
 

esphome/components/ac_dimmer/ac_dimmer.cpp

@@ -114,13 +114,14 @@ void IRAM_ATTR HOT AcDimmerDataStore::gpio_intr() {
     // fully off, disable output immediately
     this->gate_pin.digital_write(false);
   } else {
+    auto min_us = this->cycle_time_us * this->min_power / 1000;
     if (this->method == DIM_METHOD_TRAILING) {
       this->enable_time_us = 1;  // cannot be 0
-      this->disable_time_us = std::max((uint32_t) 10, this->value * this->cycle_time_us / 65535);
+      // calculate time until disable in µs with integer arithmetic and take into account min_power
+      this->disable_time_us = std::max((uint32_t) 10, this->value * (this->cycle_time_us - min_us) / 65535 + min_us);
     } else {
       // calculate time until enable in µs: (1.0-value)*cycle_time, but with integer arithmetic
       // also take into account min_power
-      auto min_us = this->cycle_time_us * this->min_power / 1000;
       this->enable_time_us = std::max((uint32_t) 1, ((65535 - this->value) * (this->cycle_time_us - min_us)) / 65535);
 
       if (this->method == DIM_METHOD_LEADING_PULSE) {

esphome/components/ac_dimmer/output.py

@@ -1,8 +1,8 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import pins
+import esphome.codegen as cg
 from esphome.components import output
-from esphome.const import CONF_ID, CONF_MIN_POWER, CONF_METHOD
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, CONF_METHOD, CONF_MIN_POWER
 
 CODEOWNERS = ["@glmnet"]
 

esphome/components/adalight/__init__.py

@@ -1,8 +1,8 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import uart
-from esphome.components.light.types import AddressableLightEffect
 from esphome.components.light.effects import register_addressable_effect
+from esphome.components.light.types import AddressableLightEffect
+import esphome.config_validation as cv
 from esphome.const import CONF_NAME, CONF_UART_ID
 
 DEPENDENCIES = ["uart"]

esphome/components/adc/__init__.py

@@ -1,11 +1,6 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import pins
-from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER
-
-from esphome.core import CORE
+import esphome.codegen as cg
 from esphome.components.esp32 import get_esp32_variant
-from esphome.const import PLATFORM_ESP8266
 from esphome.components.esp32.const import (
     VARIANT_ESP32,
     VARIANT_ESP32C2,
@@ -15,6 +10,9 @@ from esphome.components.esp32.const import (
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
 )
+import esphome.config_validation as cv
+from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER, PLATFORM_ESP8266
+from esphome.core import CORE
 
 CODEOWNERS = ["@esphome/core"]
 
@@ -38,12 +36,21 @@ ATTENUATION_MODES = {
     "auto": "auto",
 }
 
+sampling_mode = adc_ns.enum("SamplingMode", is_class=True)
+
+SAMPLING_MODES = {
+    "avg": sampling_mode.AVG,
+    "min": sampling_mode.MIN,
+    "max": sampling_mode.MAX,
+}
+
 adc1_channel_t = cg.global_ns.enum("adc1_channel_t")
 adc2_channel_t = cg.global_ns.enum("adc2_channel_t")
 
-# From https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/adc_common.h
 # pin to adc1 channel mapping
+# https://github.com/espressif/esp-idf/blob/v4.4.8/components/driver/include/driver/adc.h
 ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32/include/soc/adc_channel.h
     VARIANT_ESP32: {
         36: adc1_channel_t.ADC1_CHANNEL_0,
         37: adc1_channel_t.ADC1_CHANNEL_1,
@@ -54,6 +61,41 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
         34: adc1_channel_t.ADC1_CHANNEL_6,
         35: adc1_channel_t.ADC1_CHANNEL_7,
     },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c2/include/soc/adc_channel.h
+    VARIANT_ESP32C2: {
+        0: adc1_channel_t.ADC1_CHANNEL_0,
+        1: adc1_channel_t.ADC1_CHANNEL_1,
+        2: adc1_channel_t.ADC1_CHANNEL_2,
+        3: adc1_channel_t.ADC1_CHANNEL_3,
+        4: adc1_channel_t.ADC1_CHANNEL_4,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c3/include/soc/adc_channel.h
+    VARIANT_ESP32C3: {
+        0: adc1_channel_t.ADC1_CHANNEL_0,
+        1: adc1_channel_t.ADC1_CHANNEL_1,
+        2: adc1_channel_t.ADC1_CHANNEL_2,
+        3: adc1_channel_t.ADC1_CHANNEL_3,
+        4: adc1_channel_t.ADC1_CHANNEL_4,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c6/include/soc/adc_channel.h
+    VARIANT_ESP32C6: {
+        0: adc1_channel_t.ADC1_CHANNEL_0,
+        1: adc1_channel_t.ADC1_CHANNEL_1,
+        2: adc1_channel_t.ADC1_CHANNEL_2,
+        3: adc1_channel_t.ADC1_CHANNEL_3,
+        4: adc1_channel_t.ADC1_CHANNEL_4,
+        5: adc1_channel_t.ADC1_CHANNEL_5,
+        6: adc1_channel_t.ADC1_CHANNEL_6,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32h2/include/soc/adc_channel.h
+    VARIANT_ESP32H2: {
+        1: adc1_channel_t.ADC1_CHANNEL_0,
+        2: adc1_channel_t.ADC1_CHANNEL_1,
+        3: adc1_channel_t.ADC1_CHANNEL_2,
+        4: adc1_channel_t.ADC1_CHANNEL_3,
+        5: adc1_channel_t.ADC1_CHANNEL_4,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s2/include/soc/adc_channel.h
     VARIANT_ESP32S2: {
         1: adc1_channel_t.ADC1_CHANNEL_0,
         2: adc1_channel_t.ADC1_CHANNEL_1,
@@ -66,6 +108,7 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
         9: adc1_channel_t.ADC1_CHANNEL_8,
         10: adc1_channel_t.ADC1_CHANNEL_9,
     },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s3/include/soc/adc_channel.h
     VARIANT_ESP32S3: {
         1: adc1_channel_t.ADC1_CHANNEL_0,
         2: adc1_channel_t.ADC1_CHANNEL_1,
@@ -78,40 +121,12 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
         9: adc1_channel_t.ADC1_CHANNEL_8,
         10: adc1_channel_t.ADC1_CHANNEL_9,
     },
-    VARIANT_ESP32C3: {
-        0: adc1_channel_t.ADC1_CHANNEL_0,
-        1: adc1_channel_t.ADC1_CHANNEL_1,
-        2: adc1_channel_t.ADC1_CHANNEL_2,
-        3: adc1_channel_t.ADC1_CHANNEL_3,
-        4: adc1_channel_t.ADC1_CHANNEL_4,
-    },
-    VARIANT_ESP32C2: {
-        0: adc1_channel_t.ADC1_CHANNEL_0,
-        1: adc1_channel_t.ADC1_CHANNEL_1,
-        2: adc1_channel_t.ADC1_CHANNEL_2,
-        3: adc1_channel_t.ADC1_CHANNEL_3,
-        4: adc1_channel_t.ADC1_CHANNEL_4,
-    },
-    VARIANT_ESP32C6: {
-        0: adc1_channel_t.ADC1_CHANNEL_0,
-        1: adc1_channel_t.ADC1_CHANNEL_1,
-        2: adc1_channel_t.ADC1_CHANNEL_2,
-        3: adc1_channel_t.ADC1_CHANNEL_3,
-        4: adc1_channel_t.ADC1_CHANNEL_4,
-        5: adc1_channel_t.ADC1_CHANNEL_5,
-        6: adc1_channel_t.ADC1_CHANNEL_6,
-    },
-    VARIANT_ESP32H2: {
-        0: adc1_channel_t.ADC1_CHANNEL_0,
-        1: adc1_channel_t.ADC1_CHANNEL_1,
-        2: adc1_channel_t.ADC1_CHANNEL_2,
-        3: adc1_channel_t.ADC1_CHANNEL_3,
-        4: adc1_channel_t.ADC1_CHANNEL_4,
-    },
 }
 
+# pin to adc2 channel mapping
+# https://github.com/espressif/esp-idf/blob/v4.4.8/components/driver/include/driver/adc.h
 ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
-    # TODO: add other variants
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32/include/soc/adc_channel.h
     VARIANT_ESP32: {
         4: adc2_channel_t.ADC2_CHANNEL_0,
         0: adc2_channel_t.ADC2_CHANNEL_1,
@@ -124,6 +139,19 @@ ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
         25: adc2_channel_t.ADC2_CHANNEL_8,
         26: adc2_channel_t.ADC2_CHANNEL_9,
     },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c2/include/soc/adc_channel.h
+    VARIANT_ESP32C2: {
+        5: adc2_channel_t.ADC2_CHANNEL_0,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c3/include/soc/adc_channel.h
+    VARIANT_ESP32C3: {
+        5: adc2_channel_t.ADC2_CHANNEL_0,
+    },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32c6/include/soc/adc_channel.h
+    VARIANT_ESP32C6: {},  # no ADC2
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32h2/include/soc/adc_channel.h
+    VARIANT_ESP32H2: {},  # no ADC2
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s2/include/soc/adc_channel.h
     VARIANT_ESP32S2: {
         11: adc2_channel_t.ADC2_CHANNEL_0,
         12: adc2_channel_t.ADC2_CHANNEL_1,
@@ -136,6 +164,7 @@ ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
         19: adc2_channel_t.ADC2_CHANNEL_8,
         20: adc2_channel_t.ADC2_CHANNEL_9,
     },
+    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s3/include/soc/adc_channel.h
     VARIANT_ESP32S3: {
         11: adc2_channel_t.ADC2_CHANNEL_0,
         12: adc2_channel_t.ADC2_CHANNEL_1,
@@ -148,12 +177,6 @@ ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
         19: adc2_channel_t.ADC2_CHANNEL_8,
         20: adc2_channel_t.ADC2_CHANNEL_9,
     },
-    VARIANT_ESP32C3: {
-        5: adc2_channel_t.ADC2_CHANNEL_0,
-    },
-    VARIANT_ESP32C2: {},
-    VARIANT_ESP32C6: {},
-    VARIANT_ESP32H2: {},
 }
 
 

esphome/components/adc/adc_sensor.h

@@ -28,6 +28,21 @@ static const adc_atten_t ADC_ATTEN_DB_12_COMPAT = ADC_ATTEN_DB_11;
 #endif
 #endif  // USE_ESP32
 
+enum class SamplingMode : uint8_t { AVG = 0, MIN = 1, MAX = 2 };
+const LogString *sampling_mode_to_str(SamplingMode mode);
+
+class Aggregator {
+ public:
+  void add_sample(uint32_t value);
+  uint32_t aggregate();
+  Aggregator(SamplingMode mode);
+
+ protected:
+  SamplingMode mode_{SamplingMode::AVG};
+  uint32_t aggr_{0};
+  uint32_t samples_{0};
+};
+
 class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage_sampler::VoltageSampler {
  public:
 #ifdef USE_ESP32
@@ -54,6 +69,7 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
   void set_pin(InternalGPIOPin *pin) { this->pin_ = pin; }
   void set_output_raw(bool output_raw) { this->output_raw_ = output_raw; }
   void set_sample_count(uint8_t sample_count);
+  void set_sampling_mode(SamplingMode sampling_mode);
   float sample() override;
 
 #ifdef USE_ESP8266
@@ -68,6 +84,7 @@ class ADCSensor : public sensor::Sensor, public PollingComponent, public voltage
   InternalGPIOPin *pin_;
   bool output_raw_{false};
   uint8_t sample_count_{1};
+  SamplingMode sampling_mode_{SamplingMode::AVG};
 
 #ifdef USE_RP2040
   bool is_temperature_{false};

esphome/components/adc/adc_sensor_common.cpp

@@ -6,6 +6,59 @@ namespace adc {
 
 static const char *const TAG = "adc.common";
 
+const LogString *sampling_mode_to_str(SamplingMode mode) {
+  switch (mode) {
+    case SamplingMode::AVG:
+      return LOG_STR("average");
+    case SamplingMode::MIN:
+      return LOG_STR("minimum");
+    case SamplingMode::MAX:
+      return LOG_STR("maximum");
+  }
+  return LOG_STR("unknown");
+}
+
+Aggregator::Aggregator(SamplingMode mode) {
+  this->mode_ = mode;
+  // set to max uint if mode is "min"
+  if (mode == SamplingMode::MIN) {
+    this->aggr_ = UINT32_MAX;
+  }
+}
+
+void Aggregator::add_sample(uint32_t value) {
+  this->samples_ += 1;
+
+  switch (this->mode_) {
+    case SamplingMode::AVG:
+      this->aggr_ += value;
+      break;
+
+    case SamplingMode::MIN:
+      if (value < this->aggr_) {
+        this->aggr_ = value;
+      }
+      break;
+
+    case SamplingMode::MAX:
+      if (value > this->aggr_) {
+        this->aggr_ = value;
+      }
+  }
+}
+
+uint32_t Aggregator::aggregate() {
+  if (this->mode_ == SamplingMode::AVG) {
+    if (this->samples_ == 0) {
+      return this->aggr_;
+    }
+
+    return (this->aggr_ + (this->samples_ >> 1)) / this->samples_;  // NOLINT(clang-analyzer-core.DivideZero)
+  }
+
+  return this->aggr_;
+}
+
 void ADCSensor::update() {
   float value_v = this->sample();
   ESP_LOGV(TAG, "'%s': Got voltage=%.4fV", this->get_name().c_str(), value_v);
@@ -18,6 +71,8 @@ void ADCSensor::set_sample_count(uint8_t sample_count) {
   }
 }
 
+void ADCSensor::set_sampling_mode(SamplingMode sampling_mode) { this->sampling_mode_ = sampling_mode; }
+
 float ADCSensor::get_setup_priority() const { return setup_priority::DATA; }
 
 }  // namespace adc

esphome/components/adc/adc_sensor_esp32.cpp

@@ -78,12 +78,14 @@ void ADCSensor::dump_config() {
     }
   }
   ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
+  ESP_LOGCONFIG(TAG, "  Sampling mode: %s", LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 
 float ADCSensor::sample() {
   if (!this->autorange_) {
-    uint32_t sum = 0;
+    auto aggr = Aggregator(this->sampling_mode_);
+
     for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
       int raw = -1;
       if (this->channel1_ != ADC1_CHANNEL_MAX) {
@@ -94,13 +96,14 @@ float ADCSensor::sample() {
       if (raw == -1) {
         return NAN;
       }
-      sum += raw;
+
+      aggr.add_sample(raw);
     }
-    sum = (sum + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
     if (this->output_raw_) {
-      return sum;
+      return aggr.aggregate();
     }
-    uint32_t mv = esp_adc_cal_raw_to_voltage(sum, &this->cal_characteristics_[(int32_t) this->attenuation_]);
+    uint32_t mv =
+        esp_adc_cal_raw_to_voltage(aggr.aggregate(), &this->cal_characteristics_[(int32_t) this->attenuation_]);
     return mv / 1000.0f;
   }
 

esphome/components/adc/adc_sensor_esp8266.cpp

@@ -31,23 +31,27 @@ void ADCSensor::dump_config() {
   LOG_PIN("  Pin: ", this->pin_);
 #endif  // USE_ADC_SENSOR_VCC
   ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
+  ESP_LOGCONFIG(TAG, "  Sampling mode: %s", LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 
 float ADCSensor::sample() {
-  uint32_t raw = 0;
+  auto aggr = Aggregator(this->sampling_mode_);
+
   for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
+    uint32_t raw = 0;
 #ifdef USE_ADC_SENSOR_VCC
-    raw += ESP.getVcc();  // NOLINT(readability-static-accessed-through-instance)
+    raw = ESP.getVcc();  // NOLINT(readability-static-accessed-through-instance)
 #else
-    raw += analogRead(this->pin_->get_pin());  // NOLINT
+    raw = analogRead(this->pin_->get_pin());  // NOLINT
 #endif  // USE_ADC_SENSOR_VCC
+    aggr.add_sample(raw);
   }
-  raw = (raw + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
+
   if (this->output_raw_) {
-    return raw;
+    return aggr.aggregate();
   }
-  return raw / 1024.0f;
+  return aggr.aggregate() / 1024.0f;
 }
 
 std::string ADCSensor::unique_id() { return get_mac_address() + "-adc"; }

esphome/components/adc/adc_sensor_libretiny.cpp

@@ -23,23 +23,28 @@ void ADCSensor::dump_config() {
   LOG_PIN("  Pin: ", this->pin_);
 #endif  // USE_ADC_SENSOR_VCC
   ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
+  ESP_LOGCONFIG(TAG, "  Sampling mode: %s", LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 
 float ADCSensor::sample() {
   uint32_t raw = 0;
+  auto aggr = Aggregator(this->sampling_mode_);
+
   if (this->output_raw_) {
     for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
-      raw += analogRead(this->pin_->get_pin());  // NOLINT
+      raw = analogRead(this->pin_->get_pin());  // NOLINT
+      aggr.add_sample(raw);
     }
-    raw = (raw + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
-    return raw;
+    return aggr.aggregate();
   }
+
   for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
-    raw += analogReadVoltage(this->pin_->get_pin());  // NOLINT
+    raw = analogReadVoltage(this->pin_->get_pin());  // NOLINT
+    aggr.add_sample(raw);
   }
-  raw = (raw + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
-  return raw / 1000.0f;
+
+  return aggr.aggregate() / 1000.0f;
 }
 
 }  // namespace adc

esphome/components/adc/adc_sensor_rp2040.cpp

@@ -34,24 +34,28 @@ void ADCSensor::dump_config() {
 #endif  // USE_ADC_SENSOR_VCC
   }
   ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
+  ESP_LOGCONFIG(TAG, "  Sampling mode: %s", LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 
 float ADCSensor::sample() {
+  uint32_t raw = 0;
+  auto aggr = Aggregator(this->sampling_mode_);
+
   if (this->is_temperature_) {
     adc_set_temp_sensor_enabled(true);
     delay(1);
     adc_select_input(4);
-    uint32_t raw = 0;
+
     for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
-      raw += adc_read();
+      raw = adc_read();
+      aggr.add_sample(raw);
     }
-    raw = (raw + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
     adc_set_temp_sensor_enabled(false);
     if (this->output_raw_) {
-      return raw;
+      return aggr.aggregate();
     }
-    return raw * 3.3f / 4096.0f;
+    return aggr.aggregate() * 3.3f / 4096.0f;
   }
 
   uint8_t pin = this->pin_->get_pin();
@@ -68,11 +72,10 @@ float ADCSensor::sample() {
   adc_gpio_init(pin);
   adc_select_input(pin - 26);
 
-  uint32_t raw = 0;
   for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
-    raw += adc_read();
+    raw = adc_read();
+    aggr.add_sample(raw);
   }
-  raw = (raw + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
 
 #ifdef CYW43_USES_VSYS_PIN
   if (pin == PICO_VSYS_PIN) {
@@ -81,10 +84,10 @@ float ADCSensor::sample() {
 #endif  // CYW43_USES_VSYS_PIN
 
   if (this->output_raw_) {
-    return raw;
+    return aggr.aggregate();
   }
   float coeff = pin == PICO_VSYS_PIN ? 3.0f : 1.0f;
-  return raw * 3.3f / 4096.0f * coeff;
+  return aggr.aggregate() * 3.3f / 4096.0f * coeff;
 }
 
 }  // namespace adc

esphome/components/adc/sensor.py

@@ -1,11 +1,9 @@
 import logging
 
 import esphome.codegen as cg
-import esphome.config_validation as cv
-import esphome.final_validate as fv
-from esphome.core import CORE
 from esphome.components import sensor, voltage_sampler
 from esphome.components.esp32 import get_esp32_variant
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_ATTENUATION,
     CONF_ID,
@@ -17,10 +15,14 @@ from esphome.const import (
     STATE_CLASS_MEASUREMENT,
     UNIT_VOLT,
 )
+from esphome.core import CORE
+import esphome.final_validate as fv
+
 from . import (
     ATTENUATION_MODES,
     ESP32_VARIANT_ADC1_PIN_TO_CHANNEL,
     ESP32_VARIANT_ADC2_PIN_TO_CHANNEL,
+    SAMPLING_MODES,
     adc_ns,
     validate_adc_pin,
 )
@@ -30,9 +32,11 @@ _LOGGER = logging.getLogger(__name__)
 AUTO_LOAD = ["voltage_sampler"]
 
 CONF_SAMPLES = "samples"
+CONF_SAMPLING_MODE = "sampling_mode"
 
 
 _attenuation = cv.enum(ATTENUATION_MODES, lower=True)
+_sampling_mode = cv.enum(SAMPLING_MODES, lower=True)
 
 
 def validate_config(config):
@@ -88,6 +92,7 @@ CONFIG_SCHEMA = cv.All(
                 cv.only_on_esp32, _attenuation
             ),
             cv.Optional(CONF_SAMPLES, default=1): cv.int_range(min=1, max=255),
+            cv.Optional(CONF_SAMPLING_MODE, default="avg"): _sampling_mode,
         }
     )
     .extend(cv.polling_component_schema("60s")),
@@ -112,6 +117,7 @@ async def to_code(config):
 
     cg.add(var.set_output_raw(config[CONF_RAW]))
     cg.add(var.set_sample_count(config[CONF_SAMPLES]))
+    cg.add(var.set_sampling_mode(config[CONF_SAMPLING_MODE]))
 
     if attenuation := config.get(CONF_ATTENUATION):
         if attenuation == "auto":

esphome/components/adc128s102/__init__.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import spi
+import esphome.config_validation as cv
 from esphome.const import CONF_ID
 
 DEPENDENCIES = ["spi"]

esphome/components/adc128s102/sensor/__init__.py

@@ -1,9 +1,9 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, voltage_sampler
-from esphome.const import CONF_ID, CONF_CHANNEL
+import esphome.config_validation as cv
+from esphome.const import CONF_CHANNEL, CONF_ID
 
-from .. import adc128s102_ns, ADC128S102
+from .. import ADC128S102, adc128s102_ns
 
 AUTO_LOAD = ["voltage_sampler"]
 DEPENDENCIES = ["adc128s102"]

esphome/components/addressable_light/display.py

@@ -1,15 +1,15 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import display, light
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_ADDRESSABLE_LIGHT_ID,
+    CONF_HEIGHT,
     CONF_ID,
     CONF_LAMBDA,
     CONF_PAGES,
-    CONF_ADDRESSABLE_LIGHT_ID,
-    CONF_HEIGHT,
-    CONF_WIDTH,
-    CONF_UPDATE_INTERVAL,
     CONF_PIXEL_MAPPER,
+    CONF_UPDATE_INTERVAL,
+    CONF_WIDTH,
 )
 
 CODEOWNERS = ["@justfalter"]

esphome/components/ade7880/sensor.py

@@ -1,7 +1,7 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
-from esphome.components import sensor, i2c
 from esphome import pins
+import esphome.codegen as cg
+from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_ACTIVE_POWER,
     CONF_APPARENT_POWER,

esphome/components/ade7953_base/__init__.py

@@ -1,27 +1,27 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
-from esphome.components import sensor
 from esphome import pins
+import esphome.codegen as cg
+from esphome.components import sensor
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_FREQUENCY,
     CONF_IRQ_PIN,
     CONF_VOLTAGE,
-    CONF_FREQUENCY,
     CONF_VOLTAGE_GAIN,
-    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_APPARENT_POWER,
-    DEVICE_CLASS_POWER,
-    DEVICE_CLASS_REACTIVE_POWER,
-    DEVICE_CLASS_POWER_FACTOR,
-    DEVICE_CLASS_VOLTAGE,
+    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_FREQUENCY,
+    DEVICE_CLASS_POWER,
+    DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_REACTIVE_POWER,
+    DEVICE_CLASS_VOLTAGE,
     STATE_CLASS_MEASUREMENT,
-    UNIT_VOLT,
-    UNIT_HERTZ,
     UNIT_AMPERE,
-    UNIT_VOLT_AMPS,
-    UNIT_WATT,
-    UNIT_VOLT_AMPS_REACTIVE,
+    UNIT_HERTZ,
     UNIT_PERCENT,
+    UNIT_VOLT,
+    UNIT_VOLT_AMPS,
+    UNIT_VOLT_AMPS_REACTIVE,
+    UNIT_WATT,
 )
 
 CONF_CURRENT_A = "current_a"

esphome/components/ade7953_i2c/sensor.py

@@ -1,9 +1,8 @@
 import esphome.codegen as cg
+from esphome.components import ade7953_base, i2c
 import esphome.config_validation as cv
-from esphome.components import i2c, ade7953_base
 from esphome.const import CONF_ID
 
-
 DEPENDENCIES = ["i2c"]
 AUTO_LOAD = ["ade7953_base"]
 

esphome/components/ade7953_spi/sensor.py

@@ -1,9 +1,8 @@
 import esphome.codegen as cg
+from esphome.components import ade7953_base, spi
 import esphome.config_validation as cv
-from esphome.components import spi, ade7953_base
 from esphome.const import CONF_ID
 
-
 DEPENDENCIES = ["spi"]
 AUTO_LOAD = ["ade7953_base"]
 

esphome/components/ads1115/__init__.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c
+import esphome.config_validation as cv
 from esphome.const import CONF_ID
 
 DEPENDENCIES = ["i2c"]

esphome/components/ads1115/ads1115.cpp

@@ -9,8 +9,6 @@ static const char *const TAG = "ads1115";
 static const uint8_t ADS1115_REGISTER_CONVERSION = 0x00;
 static const uint8_t ADS1115_REGISTER_CONFIG = 0x01;
 
-static const uint8_t ADS1115_DATA_RATE_860_SPS = 0b111;  // 3300_SPS for ADS1015
-
 void ADS1115Component::setup() {
   ESP_LOGCONFIG(TAG, "Setting up ADS1115...");
   uint16_t value;
@@ -43,9 +41,9 @@ void ADS1115Component::setup() {
     config |= 0b0000000100000000;
   }
 
-  // Set data rate - 860 samples per second (we're in singleshot mode)
+  // Set data rate - 860 samples per second
   //        0bxxxxxxxx100xxxxx
-  config |= ADS1115_DATA_RATE_860_SPS << 5;
+  config |= ADS1115_860SPS << 5;
 
   // Set comparator mode - hysteresis
   //        0bxxxxxxxxxxx0xxxx
@@ -77,7 +75,7 @@ void ADS1115Component::dump_config() {
   }
 }
 float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain,
-                                            ADS1115Resolution resolution) {
+                                            ADS1115Resolution resolution, ADS1115Samplerate samplerate) {
   uint16_t config = this->prev_config_;
   // Multiplexer
   //        0bxBBBxxxxxxxxxxxx
@@ -89,6 +87,11 @@ float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1
   config &= 0b1111000111111111;
   config |= (gain & 0b111) << 9;
 
+  // Sample rate
+  //        0bxxxxxxxxBBBxxxxx
+  config &= 0b1111111100011111;
+  config |= (samplerate & 0b111) << 5;
+
   if (!this->continuous_mode_) {
     // Start conversion
     config |= 0b1000000000000000;
@@ -101,8 +104,54 @@ float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1
     }
     this->prev_config_ = config;
 
-    // about 1.2 ms with 860 samples per second
-    delay(2);
+    // Delay calculated as: ceil((1000/SPS)+.5)
+    if (resolution == ADS1015_12_BITS) {
+      switch (samplerate) {
+        case ADS1115_8SPS:
+          delay(9);
+          break;
+        case ADS1115_16SPS:
+          delay(5);
+          break;
+        case ADS1115_32SPS:
+          delay(3);
+          break;
+        case ADS1115_64SPS:
+        case ADS1115_128SPS:
+          delay(2);
+          break;
+        default:
+          delay(1);
+          break;
+      }
+    } else {
+      switch (samplerate) {
+        case ADS1115_8SPS:
+          delay(126);  // NOLINT
+          break;
+        case ADS1115_16SPS:
+          delay(63);  // NOLINT
+          break;
+        case ADS1115_32SPS:
+          delay(32);
+          break;
+        case ADS1115_64SPS:
+          delay(17);
+          break;
+        case ADS1115_128SPS:
+          delay(9);
+          break;
+        case ADS1115_250SPS:
+          delay(5);
+          break;
+        case ADS1115_475SPS:
+          delay(3);
+          break;
+        case ADS1115_860SPS:
+          delay(2);
+          break;
+      }
+    }
 
     // in continuous mode, conversion will always be running, rely on the delay
     // to ensure conversion is taking place with the correct settings

esphome/components/ads1115/ads1115.h

@@ -33,6 +33,17 @@ enum ADS1115Resolution {
   ADS1015_12_BITS = 12,
 };
 
+enum ADS1115Samplerate {
+  ADS1115_8SPS = 0b000,
+  ADS1115_16SPS = 0b001,
+  ADS1115_32SPS = 0b010,
+  ADS1115_64SPS = 0b011,
+  ADS1115_128SPS = 0b100,
+  ADS1115_250SPS = 0b101,
+  ADS1115_475SPS = 0b110,
+  ADS1115_860SPS = 0b111
+};
+
 class ADS1115Component : public Component, public i2c::I2CDevice {
  public:
   void setup() override;
@@ -42,7 +53,8 @@ class ADS1115Component : public Component, public i2c::I2CDevice {
   void set_continuous_mode(bool continuous_mode) { continuous_mode_ = continuous_mode; }
 
   /// Helper method to request a measurement from a sensor.
-  float request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain, ADS1115Resolution resolution);
+  float request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain, ADS1115Resolution resolution,
+                            ADS1115Samplerate samplerate);
 
  protected:
   uint16_t prev_config_{0};

esphome/components/ads1115/sensor/__init__.py

@@ -1,16 +1,18 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, voltage_sampler
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_GAIN,
+    CONF_ID,
     CONF_MULTIPLEXER,
     CONF_RESOLUTION,
+    CONF_SAMPLE_RATE,
     DEVICE_CLASS_VOLTAGE,
     STATE_CLASS_MEASUREMENT,
     UNIT_VOLT,
-    CONF_ID,
 )
-from .. import ads1115_ns, ADS1115Component, CONF_ADS1115_ID
+
+from .. import CONF_ADS1115_ID, ADS1115Component, ads1115_ns
 
 AUTO_LOAD = ["voltage_sampler"]
 DEPENDENCIES = ["ads1115"]
@@ -43,6 +45,17 @@ RESOLUTION = {
     "12_BITS": ADS1115Resolution.ADS1015_12_BITS,
 }
 
+ADS1115Samplerate = ads1115_ns.enum("ADS1115Samplerate")
+SAMPLERATE = {
+    "8": ADS1115Samplerate.ADS1115_8SPS,
+    "16": ADS1115Samplerate.ADS1115_16SPS,
+    "32": ADS1115Samplerate.ADS1115_32SPS,
+    "64": ADS1115Samplerate.ADS1115_64SPS,
+    "128": ADS1115Samplerate.ADS1115_128SPS,
+    "250": ADS1115Samplerate.ADS1115_250SPS,
+    "475": ADS1115Samplerate.ADS1115_475SPS,
+    "860": ADS1115Samplerate.ADS1115_860SPS,
+}
 
 ADS1115Sensor = ads1115_ns.class_(
     "ADS1115Sensor", sensor.Sensor, cg.PollingComponent, voltage_sampler.VoltageSampler
@@ -64,6 +77,9 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_RESOLUTION, default="16_BITS"): cv.enum(
                 RESOLUTION, upper=True, space="_"
             ),
+            cv.Optional(CONF_SAMPLE_RATE, default="860"): cv.enum(
+                SAMPLERATE, string=True
+            ),
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -79,3 +95,4 @@ async def to_code(config):
     cg.add(var.set_multiplexer(config[CONF_MULTIPLEXER]))
     cg.add(var.set_gain(config[CONF_GAIN]))
     cg.add(var.set_resolution(config[CONF_RESOLUTION]))
+    cg.add(var.set_samplerate(config[CONF_SAMPLE_RATE]))

esphome/components/ads1115/sensor/ads1115_sensor.cpp

@@ -8,7 +8,7 @@ namespace ads1115 {
 static const char *const TAG = "ads1115.sensor";
 
 float ADS1115Sensor::sample() {
-  return this->parent_->request_measurement(this->multiplexer_, this->gain_, this->resolution_);
+  return this->parent_->request_measurement(this->multiplexer_, this->gain_, this->resolution_, this->samplerate_);
 }
 
 void ADS1115Sensor::update() {
@@ -24,6 +24,7 @@ void ADS1115Sensor::dump_config() {
   ESP_LOGCONFIG(TAG, "    Multiplexer: %u", this->multiplexer_);
   ESP_LOGCONFIG(TAG, "    Gain: %u", this->gain_);
   ESP_LOGCONFIG(TAG, "    Resolution: %u", this->resolution_);
+  ESP_LOGCONFIG(TAG, "    Sample rate: %u", this->samplerate_);
 }
 
 }  // namespace ads1115

esphome/components/ads1115/sensor/ads1115_sensor.h

@@ -21,6 +21,7 @@ class ADS1115Sensor : public sensor::Sensor,
   void set_multiplexer(ADS1115Multiplexer multiplexer) { this->multiplexer_ = multiplexer; }
   void set_gain(ADS1115Gain gain) { this->gain_ = gain; }
   void set_resolution(ADS1115Resolution resolution) { this->resolution_ = resolution; }
+  void set_samplerate(ADS1115Samplerate samplerate) { this->samplerate_ = samplerate; }
   float sample() override;
 
   void dump_config() override;
@@ -29,6 +30,7 @@ class ADS1115Sensor : public sensor::Sensor,
   ADS1115Multiplexer multiplexer_;
   ADS1115Gain gain_;
   ADS1115Resolution resolution_;
+  ADS1115Samplerate samplerate_;
 };
 
 }  // namespace ads1115

esphome/components/ads1118/__init__.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import spi
+import esphome.config_validation as cv
 from esphome.const import CONF_ID
 
 CODEOWNERS = ["@solomondg1"]

esphome/components/ads1118/sensor/__init__.py

@@ -1,17 +1,18 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, voltage_sampler
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_GAIN,
     CONF_MULTIPLEXER,
-    DEVICE_CLASS_VOLTAGE,
+    CONF_TYPE,
     DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
     STATE_CLASS_MEASUREMENT,
     UNIT_CELSIUS,
     UNIT_VOLT,
-    CONF_TYPE,
 )
-from .. import ads1118_ns, ADS1118, CONF_ADS1118_ID
+
+from .. import ADS1118, CONF_ADS1118_ID, ads1118_ns
 
 AUTO_LOAD = ["voltage_sampler"]
 DEPENDENCIES = ["ads1118"]

esphome/components/ags10/sensor.py

@@ -1,21 +1,21 @@
-import esphome.codegen as cg
 from esphome import automation
-import esphome.config_validation as cv
+import esphome.codegen as cg
 from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_ADDRESS,
     CONF_ID,
-    ICON_RADIATOR,
-    ICON_RESTART,
+    CONF_MODE,
+    CONF_TVOC,
+    CONF_VALUE,
+    CONF_VERSION,
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
     ENTITY_CATEGORY_DIAGNOSTIC,
+    ICON_RADIATOR,
+    ICON_RESTART,
     STATE_CLASS_MEASUREMENT,
     UNIT_OHM,
     UNIT_PARTS_PER_BILLION,
-    CONF_ADDRESS,
-    CONF_TVOC,
-    CONF_VERSION,
-    CONF_MODE,
-    CONF_VALUE,
 )
 
 CONF_RESISTANCE = "resistance"

esphome/components/aht10/sensor.py

@@ -1,16 +1,16 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_HUMIDITY,
     CONF_ID,
     CONF_TEMPERATURE,
+    CONF_VARIANT,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_TEMPERATURE,
     STATE_CLASS_MEASUREMENT,
     UNIT_CELSIUS,
     UNIT_PERCENT,
-    CONF_VARIANT,
 )
 
 DEPENDENCIES = ["i2c"]

esphome/components/airthings_ble/__init__.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import esp32_ble_tracker
+import esphome.config_validation as cv
 from esphome.const import CONF_ID
 
 DEPENDENCIES = ["esp32_ble_tracker"]

esphome/components/airthings_wave_base/__init__.py

@@ -1,18 +1,17 @@
 import esphome.codegen as cg
+from esphome.components import ble_client, sensor
 import esphome.config_validation as cv
-from esphome.components import sensor, ble_client
-
 from esphome.const import (
     CONF_BATTERY_VOLTAGE,
     CONF_HUMIDITY,
     CONF_PRESSURE,
     CONF_TEMPERATURE,
     CONF_TVOC,
-    DEVICE_CLASS_VOLTAGE,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_PRESSURE,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS_PARTS,
+    DEVICE_CLASS_VOLTAGE,
     ENTITY_CATEGORY_DIAGNOSTIC,
     STATE_CLASS_MEASUREMENT,
     UNIT_CELSIUS,
@@ -35,7 +34,7 @@ AirthingsWaveBase = airthings_wave_base_ns.class_(
 
 
 BASE_SCHEMA = (
-    sensor.SENSOR_SCHEMA.extend(
+    cv.Schema(
         {
             cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
                 unit_of_measurement=UNIT_PERCENT,

esphome/components/airthings_wave_mini/sensor.py

@@ -1,10 +1,7 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import airthings_wave_base
-
-from esphome.const import (
-    CONF_ID,
-)
+import esphome.config_validation as cv
+from esphome.const import CONF_ID
 
 DEPENDENCIES = airthings_wave_base.DEPENDENCIES
 

esphome/components/airthings_wave_plus/sensor.py

@@ -1,20 +1,19 @@
 import esphome.codegen as cg
+from esphome.components import airthings_wave_base, sensor
 import esphome.config_validation as cv
-from esphome.components import sensor, airthings_wave_base
-
 from esphome.const import (
-    DEVICE_CLASS_CARBON_DIOXIDE,
-    STATE_CLASS_MEASUREMENT,
-    ICON_RADIOACTIVE,
+    CONF_CO2,
     CONF_ID,
+    CONF_ILLUMINANCE,
     CONF_RADON,
     CONF_RADON_LONG_TERM,
-    CONF_CO2,
-    UNIT_BECQUEREL_PER_CUBIC_METER,
-    UNIT_PARTS_PER_MILLION,
-    CONF_ILLUMINANCE,
-    UNIT_LUX,
+    DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_ILLUMINANCE,
+    ICON_RADIOACTIVE,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_BECQUEREL_PER_CUBIC_METER,
+    UNIT_LUX,
+    UNIT_PARTS_PER_MILLION,
 )
 
 DEPENDENCIES = airthings_wave_base.DEPENDENCIES

esphome/components/alarm_control_panel/__init__.py

@@ -5,6 +5,8 @@ from esphome.components import mqtt, web_server
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_CODE,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
     CONF_ID,
     CONF_MQTT_ID,
     CONF_ON_STATE,
@@ -12,6 +14,7 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.cpp_generator import MockObjClass
 from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@grahambrown11", "@hwstar"]
@@ -78,12 +81,11 @@ AlarmControlPanelCondition = alarm_control_panel_ns.class_(
     "AlarmControlPanelCondition", automation.Condition
 )
 
-ALARM_CONTROL_PANEL_SCHEMA = (
+_ALARM_CONTROL_PANEL_SCHEMA = (
     cv.ENTITY_BASE_SCHEMA.extend(web_server.WEBSERVER_SORTING_SCHEMA)
     .extend(cv.MQTT_COMMAND_COMPONENT_SCHEMA)
     .extend(
         {
-            cv.GenerateID(): cv.declare_id(AlarmControlPanel),
             cv.OnlyWith(CONF_MQTT_ID, "mqtt"): cv.declare_id(
                 mqtt.MQTTAlarmControlPanelComponent
             ),
@@ -146,6 +148,33 @@ ALARM_CONTROL_PANEL_SCHEMA = (
     )
 )
 
+
+def alarm_control_panel_schema(
+    class_: MockObjClass,
+    *,
+    entity_category: str = cv.UNDEFINED,
+    icon: str = cv.UNDEFINED,
+) -> cv.Schema:
+    schema = {
+        cv.GenerateID(): cv.declare_id(class_),
+    }
+
+    for key, default, validator in [
+        (CONF_ENTITY_CATEGORY, entity_category, cv.entity_category),
+        (CONF_ICON, icon, cv.icon),
+    ]:
+        if default is not cv.UNDEFINED:
+            schema[cv.Optional(key, default=default)] = validator
+
+    return _ALARM_CONTROL_PANEL_SCHEMA.extend(schema)
+
+
+# Remove before 2025.11.0
+ALARM_CONTROL_PANEL_SCHEMA = alarm_control_panel_schema(AlarmControlPanel)
+ALARM_CONTROL_PANEL_SCHEMA.add_extra(
+    cv.deprecated_schema_constant("alarm_control_panel")
+)
+
 ALARM_CONTROL_PANEL_ACTION_SCHEMA = maybe_simple_id(
     {
         cv.GenerateID(): cv.use_id(AlarmControlPanel),
@@ -209,6 +238,12 @@ async def register_alarm_control_panel(var, config):
     await setup_alarm_control_panel_core_(var, config)
 
 
+async def new_alarm_control_panel(config, *args):
+    var = cg.new_Pvariable(config[CONF_ID], *args)
+    await register_alarm_control_panel(var, config)
+    return var
+
+
 @automation.register_action(
     "alarm_control_panel.arm_away", ArmAwayAction, ALARM_CONTROL_PANEL_ACTION_SCHEMA
 )

esphome/components/alpha3/sensor.py

@@ -1,20 +1,20 @@
 import esphome.codegen as cg
+from esphome.components import ble_client, sensor
 import esphome.config_validation as cv
-from esphome.components import sensor, ble_client
 from esphome.const import (
-    CONF_ID,
     CONF_CURRENT,
     CONF_FLOW,
     CONF_HEAD,
+    CONF_ID,
     CONF_POWER,
     CONF_SPEED,
     CONF_VOLTAGE,
     UNIT_AMPERE,
+    UNIT_CUBIC_METER_PER_HOUR,
+    UNIT_METER,
+    UNIT_REVOLUTIONS_PER_MINUTE,
     UNIT_VOLT,
     UNIT_WATT,
-    UNIT_METER,
-    UNIT_CUBIC_METER_PER_HOUR,
-    UNIT_REVOLUTIONS_PER_MINUTE,
 )
 
 alpha3_ns = cg.esphome_ns.namespace("alpha3")

esphome/components/am2315c/am2315c.cpp

@@ -128,7 +128,7 @@ void AM2315C::update() {
   data[2] = 0x00;
   if (this->write(data, 3) != i2c::ERROR_OK) {
     ESP_LOGE(TAG, "Write failed!");
-    this->mark_failed();
+    this->status_set_warning();
     return;
   }
 
@@ -138,12 +138,12 @@ void AM2315C::update() {
     uint8_t status = 0;
     if (this->read(&status, 1) != i2c::ERROR_OK) {
       ESP_LOGE(TAG, "Read failed!");
-      this->mark_failed();
+      this->status_set_warning();
       return;
     }
     if ((status & 0x80) == 0x80) {
       ESP_LOGE(TAG, "HW still busy!");
-      this->mark_failed();
+      this->status_set_warning();
       return;
     }
 
@@ -151,7 +151,7 @@ void AM2315C::update() {
     uint8_t data[7];
     if (this->read(data, 7) != i2c::ERROR_OK) {
       ESP_LOGE(TAG, "Read failed!");
-      this->mark_failed();
+      this->status_set_warning();
       return;
     }
 

esphome/components/am2315c/sensor.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_HUMIDITY,
     CONF_ID,

esphome/components/am2320/sensor.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_HUMIDITY,
     CONF_ID,

esphome/components/am43/cover/__init__.py

@@ -1,7 +1,7 @@
 import esphome.codegen as cg
+from esphome.components import ble_client, cover
 import esphome.config_validation as cv
-from esphome.components import cover, ble_client
-from esphome.const import CONF_ID, CONF_PIN
+from esphome.const import CONF_PIN
 
 CODEOWNERS = ["@buxtronix"]
 DEPENDENCIES = ["ble_client"]
@@ -15,9 +15,9 @@ Am43Component = am43_ns.class_(
 )
 
 CONFIG_SCHEMA = (
-    cover.COVER_SCHEMA.extend(
+    cover.cover_schema(Am43Component)
+    .extend(
         {
-            cv.GenerateID(): cv.declare_id(Am43Component),
             cv.Optional(CONF_PIN, default=8888): cv.int_range(min=0, max=0xFFFF),
             cv.Optional(CONF_INVERT_POSITION, default=False): cv.boolean,
         }
@@ -28,9 +28,8 @@ CONFIG_SCHEMA = (
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
+    var = await cover.new_cover(config)
     cg.add(var.set_pin(config[CONF_PIN]))
     cg.add(var.set_invert_position(config[CONF_INVERT_POSITION]))
     await cg.register_component(var, config)
-    await cover.register_cover(var, config)
     await ble_client.register_ble_node(var, config)

esphome/components/am43/sensor/__init__.py

@@ -1,12 +1,12 @@
 import esphome.codegen as cg
+from esphome.components import ble_client, sensor
 import esphome.config_validation as cv
-from esphome.components import sensor, ble_client
 from esphome.const import (
-    CONF_ID,
     CONF_BATTERY_LEVEL,
+    CONF_ID,
+    CONF_ILLUMINANCE,
     DEVICE_CLASS_BATTERY,
     ENTITY_CATEGORY_DIAGNOSTIC,
-    CONF_ILLUMINANCE,
     ICON_BRIGHTNESS_5,
     UNIT_PERCENT,
 )

esphome/components/analog_threshold/analog_threshold_binary_sensor.cpp

@@ -14,7 +14,8 @@ void AnalogThresholdBinarySensor::setup() {
   if (std::isnan(sensor_value)) {
     this->publish_initial_state(false);
   } else {
-    this->publish_initial_state(sensor_value >= (this->lower_threshold_ + this->upper_threshold_) / 2.0f);
+    this->publish_initial_state(sensor_value >=
+                                (this->lower_threshold_.value() + this->upper_threshold_.value()) / 2.0f);
   }
 }
 
@@ -24,7 +25,8 @@ void AnalogThresholdBinarySensor::set_sensor(sensor::Sensor *analog_sensor) {
   this->sensor_->add_on_state_callback([this](float sensor_value) {
     // if there is an invalid sensor reading, ignore the change and keep the current state
     if (!std::isnan(sensor_value)) {
-      this->publish_state(sensor_value >= (this->state ? this->lower_threshold_ : this->upper_threshold_));
+      this->publish_state(sensor_value >=
+                          (this->state ? this->lower_threshold_.value() : this->upper_threshold_.value()));
     }
   });
 }
@@ -32,8 +34,8 @@ void AnalogThresholdBinarySensor::set_sensor(sensor::Sensor *analog_sensor) {
 void AnalogThresholdBinarySensor::dump_config() {
   LOG_BINARY_SENSOR("", "Analog Threshold Binary Sensor", this);
   LOG_SENSOR("  ", "Sensor", this->sensor_);
-  ESP_LOGCONFIG(TAG, "  Upper threshold: %.11f", this->upper_threshold_);
-  ESP_LOGCONFIG(TAG, "  Lower threshold: %.11f", this->lower_threshold_);
+  ESP_LOGCONFIG(TAG, "  Upper threshold: %.11f", this->upper_threshold_.value());
+  ESP_LOGCONFIG(TAG, "  Lower threshold: %.11f", this->lower_threshold_.value());
 }
 
 }  // namespace analog_threshold

esphome/components/analog_threshold/analog_threshold_binary_sensor.h

@@ -15,14 +15,13 @@ class AnalogThresholdBinarySensor : public Component, public binary_sensor::Bina
   float get_setup_priority() const override { return setup_priority::DATA; }
 
   void set_sensor(sensor::Sensor *analog_sensor);
-  void set_upper_threshold(float threshold) { this->upper_threshold_ = threshold; }
-  void set_lower_threshold(float threshold) { this->lower_threshold_ = threshold; }
+  template<typename T> void set_upper_threshold(T upper_threshold) { this->upper_threshold_ = upper_threshold; }
+  template<typename T> void set_lower_threshold(T lower_threshold) { this->lower_threshold_ = lower_threshold; }
 
  protected:
   sensor::Sensor *sensor_{nullptr};
-
-  float upper_threshold_;
-  float lower_threshold_;
+  TemplatableValue<float> upper_threshold_{};
+  TemplatableValue<float> lower_threshold_{};
 };
 
 }  // namespace analog_threshold

esphome/components/analog_threshold/binary_sensor.py

@@ -1,10 +1,7 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import binary_sensor, sensor
-from esphome.const import (
-    CONF_SENSOR_ID,
-    CONF_THRESHOLD,
-)
+import esphome.config_validation as cv
+from esphome.const import CONF_SENSOR_ID, CONF_THRESHOLD
 
 analog_threshold_ns = cg.esphome_ns.namespace("analog_threshold")
 
@@ -21,11 +18,11 @@ CONFIG_SCHEMA = (
         {
             cv.Required(CONF_SENSOR_ID): cv.use_id(sensor.Sensor),
             cv.Required(CONF_THRESHOLD): cv.Any(
-                cv.float_,
+                cv.templatable(cv.float_),
                 cv.Schema(
                     {
-                        cv.Required(CONF_UPPER): cv.float_,
-                        cv.Required(CONF_LOWER): cv.float_,
+                        cv.Required(CONF_UPPER): cv.templatable(cv.float_),
+                        cv.Required(CONF_LOWER): cv.templatable(cv.float_),
                     }
                 ),
             ),
@@ -42,9 +39,11 @@ async def to_code(config):
     sens = await cg.get_variable(config[CONF_SENSOR_ID])
     cg.add(var.set_sensor(sens))
 
-    if isinstance(config[CONF_THRESHOLD], float):
-        cg.add(var.set_upper_threshold(config[CONF_THRESHOLD]))
-        cg.add(var.set_lower_threshold(config[CONF_THRESHOLD]))
+    if isinstance(config[CONF_THRESHOLD], dict):
+        lower = await cg.templatable(config[CONF_THRESHOLD][CONF_LOWER], [], float)
+        upper = await cg.templatable(config[CONF_THRESHOLD][CONF_UPPER], [], float)
     else:
-        cg.add(var.set_upper_threshold(config[CONF_THRESHOLD][CONF_UPPER]))
-        cg.add(var.set_lower_threshold(config[CONF_THRESHOLD][CONF_LOWER]))
+        lower = await cg.templatable(config[CONF_THRESHOLD], [], float)
+        upper = lower
+    cg.add(var.set_upper_threshold(upper))
+    cg.add(var.set_lower_threshold(lower))

esphome/components/animation/__init__.py

@@ -1,28 +1,10 @@
 import logging
 
-from esphome import automation, core
+from esphome import automation
 import esphome.codegen as cg
 import esphome.components.image as espImage
-from esphome.components.image import (
-    CONF_USE_TRANSPARENCY,
-    LOCAL_SCHEMA,
-    SOURCE_LOCAL,
-    SOURCE_WEB,
-    WEB_SCHEMA,
-)
 import esphome.config_validation as cv
-from esphome.const import (
-    CONF_FILE,
-    CONF_ID,
-    CONF_PATH,
-    CONF_RAW_DATA_ID,
-    CONF_REPEAT,
-    CONF_RESIZE,
-    CONF_SOURCE,
-    CONF_TYPE,
-    CONF_URL,
-)
-from esphome.core import CORE, HexInt
+from esphome.const import CONF_ID, CONF_REPEAT
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -30,6 +12,7 @@ AUTO_LOAD = ["image"]
 CODEOWNERS = ["@syndlex"]
 DEPENDENCIES = ["display"]
 MULTI_CONF = True
+MULTI_CONF_NO_DEFAULT = True
 
 CONF_LOOP = "loop"
 CONF_START_FRAME = "start_frame"
@@ -51,86 +34,19 @@ SetFrameAction = animation_ns.class_(
     "AnimationSetFrameAction", automation.Action, cg.Parented.template(Animation_)
 )
 
-TYPED_FILE_SCHEMA = cv.typed_schema(
+CONFIG_SCHEMA = espImage.IMAGE_SCHEMA.extend(
     {
-        SOURCE_LOCAL: LOCAL_SCHEMA,
-        SOURCE_WEB: WEB_SCHEMA,
-    },
-    key=CONF_SOURCE,
-)
-
-
-def _file_schema(value):
-    if isinstance(value, str):
-        return validate_file_shorthand(value)
-    return TYPED_FILE_SCHEMA(value)
-
-
-FILE_SCHEMA = cv.Schema(_file_schema)
-
-
-def validate_file_shorthand(value):
-    value = cv.string_strict(value)
-    if value.startswith("http://") or value.startswith("https://"):
-        return FILE_SCHEMA(
+        cv.Required(CONF_ID): cv.declare_id(Animation_),
+        cv.Optional(CONF_LOOP): cv.All(
             {
-                CONF_SOURCE: SOURCE_WEB,
-                CONF_URL: value,
+                cv.Optional(CONF_START_FRAME, default=0): cv.positive_int,
+                cv.Optional(CONF_END_FRAME): cv.positive_int,
+                cv.Optional(CONF_REPEAT): cv.positive_int,
             }
-        )
-    return FILE_SCHEMA(
-        {
-            CONF_SOURCE: SOURCE_LOCAL,
-            CONF_PATH: value,
-        }
-    )
-
-
-def validate_cross_dependencies(config):
-    """
-    Validate fields whose possible values depend on other fields.
-    For example, validate that explicitly transparent image types
-    have "use_transparency" set to True.
-    Also set the default value for those kind of dependent fields.
-    """
-    image_type = config[CONF_TYPE]
-    is_transparent_type = image_type in ["TRANSPARENT_BINARY", "RGBA"]
-    # If the use_transparency option was not specified, set the default depending on the image type
-    if CONF_USE_TRANSPARENCY not in config:
-        config[CONF_USE_TRANSPARENCY] = is_transparent_type
-
-    if is_transparent_type and not config[CONF_USE_TRANSPARENCY]:
-        raise cv.Invalid(f"Image type {image_type} must always be transparent.")
-
-    return config
-
-
-ANIMATION_SCHEMA = cv.Schema(
-    cv.All(
-        {
-            cv.Required(CONF_ID): cv.declare_id(Animation_),
-            cv.Required(CONF_FILE): FILE_SCHEMA,
-            cv.Optional(CONF_RESIZE): cv.dimensions,
-            cv.Optional(CONF_TYPE, default="BINARY"): cv.enum(
-                espImage.IMAGE_TYPE, upper=True
-            ),
-            # Not setting default here on purpose; the default depends on the image type,
-            # and thus will be set in the "validate_cross_dependencies" validator.
-            cv.Optional(CONF_USE_TRANSPARENCY): cv.boolean,
-            cv.Optional(CONF_LOOP): cv.All(
-                {
-                    cv.Optional(CONF_START_FRAME, default=0): cv.positive_int,
-                    cv.Optional(CONF_END_FRAME): cv.positive_int,
-                    cv.Optional(CONF_REPEAT): cv.positive_int,
-                }
-            ),
-            cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
-        },
-        validate_cross_dependencies,
-    )
+        ),
+    },
 )
 
-CONFIG_SCHEMA = ANIMATION_SCHEMA
 
 NEXT_FRAME_SCHEMA = automation.maybe_simple_id(
     {
@@ -164,180 +80,26 @@ async def animation_action_to_code(config, action_id, template_arg, args):
 
 
 async def to_code(config):
-    from PIL import Image
+    (
+        prog_arr,
+        width,
+        height,
+        image_type,
+        trans_value,
+        frame_count,
+    ) = await espImage.write_image(config, all_frames=True)
 
-    conf_file = config[CONF_FILE]
-    if conf_file[CONF_SOURCE] == SOURCE_LOCAL:
-        path = CORE.relative_config_path(conf_file[CONF_PATH])
-    elif conf_file[CONF_SOURCE] == SOURCE_WEB:
-        path = espImage.compute_local_image_path(conf_file).as_posix()
-    else:
-        raise core.EsphomeError(f"Unknown animation source: {conf_file[CONF_SOURCE]}")
-
-    try:
-        image = Image.open(path)
-    except Exception as e:
-        raise core.EsphomeError(f"Could not load image file {path}: {e}")
-
-    width, height = image.size
-    frames = image.n_frames
-    if CONF_RESIZE in config:
-        new_width_max, new_height_max = config[CONF_RESIZE]
-        ratio = min(new_width_max / width, new_height_max / height)
-        width, height = int(width * ratio), int(height * ratio)
-    elif width > 500 or height > 500:
-        _LOGGER.warning(
-            'The image "%s" you requested is very big. Please consider'
-            " using the resize parameter.",
-            path,
-        )
-
-    transparent = config[CONF_USE_TRANSPARENCY]
-
-    if config[CONF_TYPE] == "GRAYSCALE":
-        data = [0 for _ in range(height * width * frames)]
-        pos = 0
-        for frameIndex in range(frames):
-            image.seek(frameIndex)
-            frame = image.convert("LA", dither=Image.Dither.NONE)
-            if CONF_RESIZE in config:
-                frame = frame.resize([width, height])
-            pixels = list(frame.getdata())
-            if len(pixels) != height * width:
-                raise core.EsphomeError(
-                    f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height * width})"
-                )
-            for pix, a in pixels:
-                if transparent:
-                    if pix == 1:
-                        pix = 0
-                    if a < 0x80:
-                        pix = 1
-
-                data[pos] = pix
-                pos += 1
-
-    elif config[CONF_TYPE] == "RGBA":
-        data = [0 for _ in range(height * width * 4 * frames)]
-        pos = 0
-        for frameIndex in range(frames):
-            image.seek(frameIndex)
-            frame = image.convert("RGBA")
-            if CONF_RESIZE in config:
-                frame = frame.resize([width, height])
-            pixels = list(frame.getdata())
-            if len(pixels) != height * width:
-                raise core.EsphomeError(
-                    f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height * width})"
-                )
-            for pix in pixels:
-                data[pos] = pix[0]
-                pos += 1
-                data[pos] = pix[1]
-                pos += 1
-                data[pos] = pix[2]
-                pos += 1
-                data[pos] = pix[3]
-                pos += 1
-
-    elif config[CONF_TYPE] == "RGB24":
-        data = [0 for _ in range(height * width * 3 * frames)]
-        pos = 0
-        for frameIndex in range(frames):
-            image.seek(frameIndex)
-            frame = image.convert("RGBA")
-            if CONF_RESIZE in config:
-                frame = frame.resize([width, height])
-            pixels = list(frame.getdata())
-            if len(pixels) != height * width:
-                raise core.EsphomeError(
-                    f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height * width})"
-                )
-            for r, g, b, a in pixels:
-                if transparent:
-                    if r == 0 and g == 0 and b == 1:
-                        b = 0
-                    if a < 0x80:
-                        r = 0
-                        g = 0
-                        b = 1
-
-                data[pos] = r
-                pos += 1
-                data[pos] = g
-                pos += 1
-                data[pos] = b
-                pos += 1
-
-    elif config[CONF_TYPE] in ["RGB565", "TRANSPARENT_IMAGE"]:
-        bytes_per_pixel = 3 if transparent else 2
-        data = [0 for _ in range(height * width * bytes_per_pixel * frames)]
-        pos = 0
-        for frameIndex in range(frames):
-            image.seek(frameIndex)
-            frame = image.convert("RGBA")
-            if CONF_RESIZE in config:
-                frame = frame.resize([width, height])
-            pixels = list(frame.getdata())
-            if len(pixels) != height * width:
-                raise core.EsphomeError(
-                    f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height * width})"
-                )
-            for r, g, b, a in pixels:
-                R = r >> 3
-                G = g >> 2
-                B = b >> 3
-                rgb = (R << 11) | (G << 5) | B
-                data[pos] = rgb >> 8
-                pos += 1
-                data[pos] = rgb & 0xFF
-                pos += 1
-                if transparent:
-                    data[pos] = a
-                    pos += 1
-
-    elif config[CONF_TYPE] in ["BINARY", "TRANSPARENT_BINARY"]:
-        width8 = ((width + 7) // 8) * 8
-        data = [0 for _ in range((height * width8 // 8) * frames)]
-        for frameIndex in range(frames):
-            image.seek(frameIndex)
-            if transparent:
-                alpha = image.split()[-1]
-                has_alpha = alpha.getextrema()[0] < 0xFF
-            else:
-                has_alpha = False
-            frame = image.convert("1", dither=Image.Dither.NONE)
-            if CONF_RESIZE in config:
-                frame = frame.resize([width, height])
-                if transparent:
-                    alpha = alpha.resize([width, height])
-            for x, y in [(i, j) for i in range(width) for j in range(height)]:
-                if transparent and has_alpha:
-                    if not alpha.getpixel((x, y)):
-                        continue
-                elif frame.getpixel((x, y)):
-                    continue
-
-                pos = x + y * width8 + (height * width8 * frameIndex)
-                data[pos // 8] |= 0x80 >> (pos % 8)
-    else:
-        raise core.EsphomeError(
-            f"Animation f{config[CONF_ID]} has not supported type {config[CONF_TYPE]}."
-        )
-
-    rhs = [HexInt(x) for x in data]
-    prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
     var = cg.new_Pvariable(
         config[CONF_ID],
         prog_arr,
         width,
         height,
-        frames,
-        espImage.IMAGE_TYPE[config[CONF_TYPE]],
+        frame_count,
+        image_type,
+        trans_value,
     )
-    cg.add(var.set_transparency(transparent))
     if loop_config := config.get(CONF_LOOP):
         start = loop_config[CONF_START_FRAME]
-        end = loop_config.get(CONF_END_FRAME, frames)
+        end = loop_config.get(CONF_END_FRAME, frame_count)
         count = loop_config.get(CONF_REPEAT, -1)
         cg.add(var.set_loop(start, end, count))

esphome/components/animation/animation.cpp

@@ -6,8 +6,8 @@ namespace esphome {
 namespace animation {
 
 Animation::Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count,
-                     image::ImageType type)
-    : Image(data_start, width, height, type),
+                     image::ImageType type, image::Transparency transparent)
+    : Image(data_start, width, height, type, transparent),
       animation_data_start_(data_start),
       current_frame_(0),
       animation_frame_count_(animation_frame_count),

esphome/components/animation/animation.h

@@ -8,7 +8,8 @@ namespace animation {
 
 class Animation : public image::Image {
  public:
-  Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count, image::ImageType type);
+  Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count, image::ImageType type,
+            image::Transparency transparent);
 
   uint32_t get_animation_frame_count() const;
   int get_current_frame() const;

esphome/components/anova/climate.py

@@ -1,7 +1,7 @@
 import esphome.codegen as cg
+from esphome.components import ble_client, climate
 import esphome.config_validation as cv
-from esphome.components import climate, ble_client
-from esphome.const import CONF_ID, CONF_UNIT_OF_MEASUREMENT
+from esphome.const import CONF_UNIT_OF_MEASUREMENT
 
 UNITS = {
     "f": "f",
@@ -17,9 +17,9 @@ Anova = anova_ns.class_(
 )
 
 CONFIG_SCHEMA = (
-    climate.CLIMATE_SCHEMA.extend(
+    climate.climate_schema(Anova)
+    .extend(
         {
-            cv.GenerateID(): cv.declare_id(Anova),
             cv.Required(CONF_UNIT_OF_MEASUREMENT): cv.enum(UNITS),
         }
     )
@@ -29,8 +29,7 @@ CONFIG_SCHEMA = (
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
+    var = await climate.new_climate(config)
     await cg.register_component(var, config)
-    await climate.register_climate(var, config)
     await ble_client.register_ble_node(var, config)
     cg.add(var.set_unit_of_measurement(config[CONF_UNIT_OF_MEASUREMENT]))

esphome/components/apds9306/sensor.py

@@ -2,8 +2,8 @@
 # https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf
 
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c, sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_GAIN,
     DEVICE_CLASS_ILLUMINANCE,

esphome/components/apds9960/__init__.py

@@ -1,6 +1,6 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c
+import esphome.config_validation as cv
 from esphome.const import CONF_ID
 
 DEPENDENCIES = ["i2c"]

esphome/components/apds9960/binary_sensor.py

@@ -1,7 +1,8 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import binary_sensor
+import esphome.config_validation as cv
 from esphome.const import CONF_DIRECTION, DEVICE_CLASS_MOVING
+
 from . import APDS9960, CONF_APDS9960_ID
 
 DEPENDENCIES = ["apds9960"]

esphome/components/apds9960/sensor.py

@@ -1,12 +1,13 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_TYPE,
+    ICON_LIGHTBULB,
     STATE_CLASS_MEASUREMENT,
     UNIT_PERCENT,
-    ICON_LIGHTBULB,
 )
+
 from . import APDS9960, CONF_APDS9960_ID
 
 DEPENDENCIES = ["apds9960"]

esphome/components/api/__init__.py

@@ -82,6 +82,19 @@ ACTIONS_SCHEMA = automation.validate_automation(
     ),
 )
 
+ENCRYPTION_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_KEY): validate_encryption_key,
+    }
+)
+
+
+def _encryption_schema(config):
+    if config is None:
+        config = {}
+    return ENCRYPTION_SCHEMA(config)
+
+
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -95,11 +108,7 @@ CONFIG_SCHEMA = cv.All(
                 CONF_SERVICES, group_of_exclusion=CONF_ACTIONS
             ): ACTIONS_SCHEMA,
             cv.Exclusive(CONF_ACTIONS, group_of_exclusion=CONF_ACTIONS): ACTIONS_SCHEMA,
-            cv.Optional(CONF_ENCRYPTION): cv.Schema(
-                {
-                    cv.Required(CONF_KEY): validate_encryption_key,
-                }
-            ),
+            cv.Optional(CONF_ENCRYPTION): _encryption_schema,
             cv.Optional(CONF_ON_CLIENT_CONNECTED): automation.validate_automation(
                 single=True
             ),
@@ -151,9 +160,17 @@ async def to_code(config):
             config[CONF_ON_CLIENT_DISCONNECTED],
         )
 
-    if encryption_config := config.get(CONF_ENCRYPTION):
-        decoded = base64.b64decode(encryption_config[CONF_KEY])
-        cg.add(var.set_noise_psk(list(decoded)))
+    if (encryption_config := config.get(CONF_ENCRYPTION, None)) is not None:
+        if key := encryption_config.get(CONF_KEY):
+            decoded = base64.b64decode(key)
+            cg.add(var.set_noise_psk(list(decoded)))
+        else:
+            # No key provided, but encryption desired
+            # This will allow a plaintext client to provide a noise key,
+            # send it to the device, and then switch to noise.
+            # The key will be saved in flash and used for future connections
+            # and plaintext disabled. Only a factory reset can remove it.
+            cg.add_define("USE_API_PLAINTEXT")
         cg.add_define("USE_API_NOISE")
         cg.add_library("esphome/noise-c", "0.1.6")
     else:

esphome/components/api/api.proto

@@ -31,24 +31,26 @@ service APIConnection {
     option (needs_authentication) = false;
   }
   rpc execute_service (ExecuteServiceRequest) returns (void) {}
+  rpc noise_encryption_set_key (NoiseEncryptionSetKeyRequest) returns (NoiseEncryptionSetKeyResponse) {}
 
-  rpc cover_command (CoverCommandRequest) returns (void) {}
-  rpc fan_command (FanCommandRequest) returns (void) {}
-  rpc light_command (LightCommandRequest) returns (void) {}
-  rpc switch_command (SwitchCommandRequest) returns (void) {}
+  rpc button_command (ButtonCommandRequest) returns (void) {}
   rpc camera_image (CameraImageRequest) returns (void) {}
   rpc climate_command (ClimateCommandRequest) returns (void) {}
-  rpc number_command (NumberCommandRequest) returns (void) {}
-  rpc text_command (TextCommandRequest) returns (void) {}
-  rpc select_command (SelectCommandRequest) returns (void) {}
-  rpc button_command (ButtonCommandRequest) returns (void) {}
-  rpc lock_command (LockCommandRequest) returns (void) {}
-  rpc valve_command (ValveCommandRequest) returns (void) {}
-  rpc media_player_command (MediaPlayerCommandRequest) returns (void) {}
+  rpc cover_command (CoverCommandRequest) returns (void) {}
   rpc date_command (DateCommandRequest) returns (void) {}
-  rpc time_command (TimeCommandRequest) returns (void) {}
   rpc datetime_command (DateTimeCommandRequest) returns (void) {}
+  rpc fan_command (FanCommandRequest) returns (void) {}
+  rpc light_command (LightCommandRequest) returns (void) {}
+  rpc lock_command (LockCommandRequest) returns (void) {}
+  rpc media_player_command (MediaPlayerCommandRequest) returns (void) {}
+  rpc number_command (NumberCommandRequest) returns (void) {}
+  rpc select_command (SelectCommandRequest) returns (void) {}
+  rpc siren_command (SirenCommandRequest) returns (void) {}
+  rpc switch_command (SwitchCommandRequest) returns (void) {}
+  rpc text_command (TextCommandRequest) returns (void) {}
+  rpc time_command (TimeCommandRequest) returns (void) {}
   rpc update_command (UpdateCommandRequest) returns (void) {}
+  rpc valve_command (ValveCommandRequest) returns (void) {}
 
   rpc subscribe_bluetooth_le_advertisements(SubscribeBluetoothLEAdvertisementsRequest) returns (void) {}
   rpc bluetooth_device_request(BluetoothDeviceRequest) returns (void) {}
@@ -60,6 +62,7 @@ service APIConnection {
   rpc bluetooth_gatt_notify(BluetoothGATTNotifyRequest) returns (void) {}
   rpc subscribe_bluetooth_connections_free(SubscribeBluetoothConnectionsFreeRequest) returns (BluetoothConnectionsFreeResponse) {}
   rpc unsubscribe_bluetooth_le_advertisements(UnsubscribeBluetoothLEAdvertisementsRequest) returns (void) {}
+  rpc bluetooth_scanner_set_mode(BluetoothScannerSetModeRequest) returns (void) {}
 
   rpc subscribe_voice_assistant(SubscribeVoiceAssistantRequest) returns (void) {}
   rpc voice_assistant_get_configuration(VoiceAssistantConfigurationRequest) returns (VoiceAssistantConfigurationResponse) {}
@@ -227,6 +230,12 @@ message DeviceInfoResponse {
   uint32 voice_assistant_feature_flags = 17;
 
   string suggested_area = 16;
+
+  // The Bluetooth mac address of the device. For example "AC:BC:32:89:0E:AA"
+  string bluetooth_mac_address = 18;
+
+  // Supports receiving and saving api encryption key
+  bool api_encryption_supported = 19;
 }
 
 message ListEntitiesRequest {
@@ -647,10 +656,27 @@ message SubscribeLogsResponse {
   option (no_delay) = false;
 
   LogLevel level = 1;
-  string message = 3;
+  bytes message = 3;
   bool send_failed = 4;
 }
 
+// ==================== NOISE ENCRYPTION ====================
+message NoiseEncryptionSetKeyRequest {
+  option (id) = 124;
+  option (source) = SOURCE_CLIENT;
+  option (ifdef) = "USE_API_NOISE";
+
+  bytes key = 1;
+}
+
+message NoiseEncryptionSetKeyResponse {
+  option (id) = 125;
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_API_NOISE";
+
+  bool success = 1;
+}
+
 // ==================== HOMEASSISTANT.SERVICE ====================
 message SubscribeHomeassistantServicesRequest {
   option (id) = 34;
@@ -886,6 +912,7 @@ message ClimateStateResponse {
   float target_temperature = 4;
   float target_temperature_low = 5;
   float target_temperature_high = 6;
+  // For older peers, equal to preset == CLIMATE_PRESET_AWAY
   bool unused_legacy_away = 7;
   ClimateAction action = 8;
   ClimateFanMode fan_mode = 9;
@@ -911,6 +938,7 @@ message ClimateCommandRequest {
   float target_temperature_low = 7;
   bool has_target_temperature_high = 8;
   float target_temperature_high = 9;
+  // legacy, for older peers, newer ones should use CLIMATE_PRESET_AWAY in preset
   bool unused_has_legacy_away = 10;
   bool unused_legacy_away = 11;
   bool has_fan_mode = 12;
@@ -1013,6 +1041,49 @@ message SelectCommandRequest {
   string state = 2;
 }
 
+// ==================== SIREN ====================
+message ListEntitiesSirenResponse {
+  option (id) = 55;
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_SIREN";
+
+  string object_id = 1;
+  fixed32 key = 2;
+  string name = 3;
+  string unique_id = 4;
+
+  string icon = 5;
+  bool disabled_by_default = 6;
+  repeated string tones = 7;
+  bool supports_duration = 8;
+  bool supports_volume = 9;
+  EntityCategory entity_category = 10;
+}
+message SirenStateResponse {
+  option (id) = 56;
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_SIREN";
+  option (no_delay) = true;
+
+  fixed32 key = 1;
+  bool state = 2;
+}
+message SirenCommandRequest {
+  option (id) = 57;
+  option (source) = SOURCE_CLIENT;
+  option (ifdef) = "USE_SIREN";
+  option (no_delay) = true;
+
+  fixed32 key = 1;
+  bool has_state = 2;
+  bool state = 3;
+  bool has_tone = 4;
+  string tone = 5;
+  bool has_duration = 6;
+  uint32 duration = 7;
+  bool has_volume = 8;
+  float volume = 9;
+}
 
 // ==================== LOCK ====================
 enum LockState {
@@ -1182,8 +1253,8 @@ message SubscribeBluetoothLEAdvertisementsRequest {
 
 message BluetoothServiceData {
   string uuid = 1;
-  repeated uint32 legacy_data = 2 [deprecated = true];
-  bytes data = 3; // Changed in proto version 1.7
+  repeated uint32 legacy_data = 2 [deprecated = true];  // Removed in api version 1.7
+  bytes data = 3;  // Added in api version 1.7
 }
 message BluetoothLEAdvertisementResponse {
   option (id) = 67;
@@ -1192,7 +1263,7 @@ message BluetoothLEAdvertisementResponse {
   option (no_delay) = true;
 
   uint64 address = 1;
-  string name = 2;
+  bytes name = 2;
   sint32 rssi = 3;
 
   repeated string service_uuids = 4;
@@ -1381,6 +1452,7 @@ message BluetoothConnectionsFreeResponse {
 
   uint32 free = 1;
   uint32 limit = 2;
+  repeated uint64 allocated = 3;
 }
 
 message BluetoothGATTErrorResponse {
@@ -1447,7 +1519,38 @@ message BluetoothDeviceClearCacheResponse {
   int32 error = 3;
 }
 
-// ==================== PUSH TO TALK ====================
+enum BluetoothScannerState {
+  BLUETOOTH_SCANNER_STATE_IDLE = 0;
+  BLUETOOTH_SCANNER_STATE_STARTING = 1;
+  BLUETOOTH_SCANNER_STATE_RUNNING = 2;
+  BLUETOOTH_SCANNER_STATE_FAILED = 3;
+  BLUETOOTH_SCANNER_STATE_STOPPING = 4;
+  BLUETOOTH_SCANNER_STATE_STOPPED = 5;
+}
+
+enum BluetoothScannerMode {
+  BLUETOOTH_SCANNER_MODE_PASSIVE = 0;
+  BLUETOOTH_SCANNER_MODE_ACTIVE = 1;
+}
+
+message BluetoothScannerStateResponse {
+  option(id) = 126;
+  option(source) = SOURCE_SERVER;
+  option(ifdef) = "USE_BLUETOOTH_PROXY";
+
+  BluetoothScannerState state = 1;
+  BluetoothScannerMode mode = 2;
+}
+
+message BluetoothScannerSetModeRequest {
+  option(id) = 127;
+  option(source) = SOURCE_CLIENT;
+  option(ifdef) = "USE_BLUETOOTH_PROXY";
+
+  BluetoothScannerMode mode = 1;
+}
+
+// ==================== VOICE ASSISTANT ====================
 enum VoiceAssistantSubscribeFlag {
   VOICE_ASSISTANT_SUBSCRIBE_NONE = 0;
   VOICE_ASSISTANT_SUBSCRIBE_API_AUDIO = 1;
@@ -1563,6 +1666,8 @@ message VoiceAssistantAnnounceRequest {
 
   string media_id = 1;
   string text = 2;
+  string preannounce_media_id = 3;
+  bool start_conversation = 4;
 }
 
 message VoiceAssistantAnnounceFinished {

esphome/components/api/api_connection.h

@@ -8,12 +8,57 @@
 #include "api_server.h"
 #include "esphome/core/application.h"
 #include "esphome/core/component.h"
+#include "esphome/core/entity_base.h"
 
 #include <vector>
 
 namespace esphome {
 namespace api {
 
+// Keepalive timeout in milliseconds
+static constexpr uint32_t KEEPALIVE_TIMEOUT_MS = 60000;
+
+using send_message_t = bool (APIConnection::*)(void *);
+
+/*
+  This class holds a pointer to the source component that wants to publish a message, and a pointer to a function that
+  will lazily publish that message.  The two pointers allow dedup in the deferred queue if multiple publishes for the
+  same component are backed up, and take up only 8 bytes of memory.  The entry in the deferred queue (a std::vector) is
+  the DeferredMessage instance itself (not a pointer to one elsewhere in heap) so still only 8 bytes per entry.  Even
+  100 backed up messages (you'd have to have at least 100 sensors publishing because of dedup) would take up only 0.8
+  kB.
+*/
+class DeferredMessageQueue {
+  struct DeferredMessage {
+    friend class DeferredMessageQueue;
+
+   protected:
+    void *source_;
+    send_message_t send_message_;
+
+   public:
+    DeferredMessage(void *source, send_message_t send_message) : source_(source), send_message_(send_message) {}
+    bool operator==(const DeferredMessage &test) const {
+      return (source_ == test.source_ && send_message_ == test.send_message_);
+    }
+  } __attribute__((packed));
+
+ protected:
+  // vector is used very specifically for its zero memory overhead even though items are popped from the front (memory
+  // footprint is more important than speed here)
+  std::vector<DeferredMessage> deferred_queue_;
+  APIConnection *api_connection_;
+
+  // helper for allowing only unique entries in the queue
+  void dmq_push_back_with_dedup_(void *source, send_message_t send_message);
+
+ public:
+  DeferredMessageQueue(APIConnection *api_connection) : api_connection_(api_connection) {}
+  void process_queue();
+  void defer(void *source, send_message_t send_message);
+  bool empty() const { return deferred_queue_.empty(); }
+};
+
 class APIConnection : public APIServerConnection {
  public:
   APIConnection(std::unique_ptr<socket::Socket> socket, APIServer *parent);
@@ -28,96 +73,216 @@ class APIConnection : public APIServerConnection {
   }
 #ifdef USE_BINARY_SENSOR
   bool send_binary_sensor_state(binary_sensor::BinarySensor *binary_sensor, bool state);
-  bool send_binary_sensor_info(binary_sensor::BinarySensor *binary_sensor);
+  void send_binary_sensor_info(binary_sensor::BinarySensor *binary_sensor);
+
+ protected:
+  bool try_send_binary_sensor_state_(binary_sensor::BinarySensor *binary_sensor);
+  bool try_send_binary_sensor_state_(binary_sensor::BinarySensor *binary_sensor, bool state);
+  bool try_send_binary_sensor_info_(binary_sensor::BinarySensor *binary_sensor);
+
+ public:
 #endif
 #ifdef USE_COVER
   bool send_cover_state(cover::Cover *cover);
-  bool send_cover_info(cover::Cover *cover);
+  void send_cover_info(cover::Cover *cover);
   void cover_command(const CoverCommandRequest &msg) override;
+
+ protected:
+  bool try_send_cover_state_(cover::Cover *cover);
+  bool try_send_cover_info_(cover::Cover *cover);
+
+ public:
 #endif
 #ifdef USE_FAN
   bool send_fan_state(fan::Fan *fan);
-  bool send_fan_info(fan::Fan *fan);
+  void send_fan_info(fan::Fan *fan);
   void fan_command(const FanCommandRequest &msg) override;
+
+ protected:
+  bool try_send_fan_state_(fan::Fan *fan);
+  bool try_send_fan_info_(fan::Fan *fan);
+
+ public:
 #endif
 #ifdef USE_LIGHT
   bool send_light_state(light::LightState *light);
-  bool send_light_info(light::LightState *light);
+  void send_light_info(light::LightState *light);
   void light_command(const LightCommandRequest &msg) override;
+
+ protected:
+  bool try_send_light_state_(light::LightState *light);
+  bool try_send_light_info_(light::LightState *light);
+
+ public:
 #endif
 #ifdef USE_SENSOR
   bool send_sensor_state(sensor::Sensor *sensor, float state);
-  bool send_sensor_info(sensor::Sensor *sensor);
+  void send_sensor_info(sensor::Sensor *sensor);
+
+ protected:
+  bool try_send_sensor_state_(sensor::Sensor *sensor);
+  bool try_send_sensor_state_(sensor::Sensor *sensor, float state);
+  bool try_send_sensor_info_(sensor::Sensor *sensor);
+
+ public:
 #endif
 #ifdef USE_SWITCH
   bool send_switch_state(switch_::Switch *a_switch, bool state);
-  bool send_switch_info(switch_::Switch *a_switch);
+  void send_switch_info(switch_::Switch *a_switch);
   void switch_command(const SwitchCommandRequest &msg) override;
+
+ protected:
+  bool try_send_switch_state_(switch_::Switch *a_switch);
+  bool try_send_switch_state_(switch_::Switch *a_switch, bool state);
+  bool try_send_switch_info_(switch_::Switch *a_switch);
+
+ public:
 #endif
 #ifdef USE_TEXT_SENSOR
   bool send_text_sensor_state(text_sensor::TextSensor *text_sensor, std::string state);
-  bool send_text_sensor_info(text_sensor::TextSensor *text_sensor);
+  void send_text_sensor_info(text_sensor::TextSensor *text_sensor);
+
+ protected:
+  bool try_send_text_sensor_state_(text_sensor::TextSensor *text_sensor);
+  bool try_send_text_sensor_state_(text_sensor::TextSensor *text_sensor, std::string state);
+  bool try_send_text_sensor_info_(text_sensor::TextSensor *text_sensor);
+
+ public:
 #endif
 #ifdef USE_ESP32_CAMERA
-  void send_camera_state(std::shared_ptr<esp32_camera::CameraImage> image);
-  bool send_camera_info(esp32_camera::ESP32Camera *camera);
+  void set_camera_state(std::shared_ptr<esp32_camera::CameraImage> image);
+  void send_camera_info(esp32_camera::ESP32Camera *camera);
   void camera_image(const CameraImageRequest &msg) override;
+
+ protected:
+  bool try_send_camera_info_(esp32_camera::ESP32Camera *camera);
+
+ public:
 #endif
 #ifdef USE_CLIMATE
   bool send_climate_state(climate::Climate *climate);
-  bool send_climate_info(climate::Climate *climate);
+  void send_climate_info(climate::Climate *climate);
   void climate_command(const ClimateCommandRequest &msg) override;
+
+ protected:
+  bool try_send_climate_state_(climate::Climate *climate);
+  bool try_send_climate_info_(climate::Climate *climate);
+
+ public:
 #endif
 #ifdef USE_NUMBER
   bool send_number_state(number::Number *number, float state);
-  bool send_number_info(number::Number *number);
+  void send_number_info(number::Number *number);
   void number_command(const NumberCommandRequest &msg) override;
+
+ protected:
+  bool try_send_number_state_(number::Number *number);
+  bool try_send_number_state_(number::Number *number, float state);
+  bool try_send_number_info_(number::Number *number);
+
+ public:
 #endif
 #ifdef USE_DATETIME_DATE
   bool send_date_state(datetime::DateEntity *date);
-  bool send_date_info(datetime::DateEntity *date);
+  void send_date_info(datetime::DateEntity *date);
   void date_command(const DateCommandRequest &msg) override;
+
+ protected:
+  bool try_send_date_state_(datetime::DateEntity *date);
+  bool try_send_date_info_(datetime::DateEntity *date);
+
+ public:
 #endif
 #ifdef USE_DATETIME_TIME
   bool send_time_state(datetime::TimeEntity *time);
-  bool send_time_info(datetime::TimeEntity *time);
+  void send_time_info(datetime::TimeEntity *time);
   void time_command(const TimeCommandRequest &msg) override;
+
+ protected:
+  bool try_send_time_state_(datetime::TimeEntity *time);
+  bool try_send_time_info_(datetime::TimeEntity *time);
+
+ public:
 #endif
 #ifdef USE_DATETIME_DATETIME
   bool send_datetime_state(datetime::DateTimeEntity *datetime);
-  bool send_datetime_info(datetime::DateTimeEntity *datetime);
+  void send_datetime_info(datetime::DateTimeEntity *datetime);
   void datetime_command(const DateTimeCommandRequest &msg) override;
+
+ protected:
+  bool try_send_datetime_state_(datetime::DateTimeEntity *datetime);
+  bool try_send_datetime_info_(datetime::DateTimeEntity *datetime);
+
+ public:
 #endif
 #ifdef USE_TEXT
   bool send_text_state(text::Text *text, std::string state);
-  bool send_text_info(text::Text *text);
+  void send_text_info(text::Text *text);
   void text_command(const TextCommandRequest &msg) override;
+
+ protected:
+  bool try_send_text_state_(text::Text *text);
+  bool try_send_text_state_(text::Text *text, std::string state);
+  bool try_send_text_info_(text::Text *text);
+
+ public:
 #endif
 #ifdef USE_SELECT
   bool send_select_state(select::Select *select, std::string state);
-  bool send_select_info(select::Select *select);
+  void send_select_info(select::Select *select);
   void select_command(const SelectCommandRequest &msg) override;
+
+ protected:
+  bool try_send_select_state_(select::Select *select);
+  bool try_send_select_state_(select::Select *select, std::string state);
+  bool try_send_select_info_(select::Select *select);
+
+ public:
 #endif
 #ifdef USE_BUTTON
-  bool send_button_info(button::Button *button);
+  void send_button_info(button::Button *button);
   void button_command(const ButtonCommandRequest &msg) override;
+
+ protected:
+  bool try_send_button_info_(button::Button *button);
+
+ public:
 #endif
 #ifdef USE_LOCK
   bool send_lock_state(lock::Lock *a_lock, lock::LockState state);
-  bool send_lock_info(lock::Lock *a_lock);
+  void send_lock_info(lock::Lock *a_lock);
   void lock_command(const LockCommandRequest &msg) override;
+
+ protected:
+  bool try_send_lock_state_(lock::Lock *a_lock);
+  bool try_send_lock_state_(lock::Lock *a_lock, lock::LockState state);
+  bool try_send_lock_info_(lock::Lock *a_lock);
+
+ public:
 #endif
 #ifdef USE_VALVE
   bool send_valve_state(valve::Valve *valve);
-  bool send_valve_info(valve::Valve *valve);
+  void send_valve_info(valve::Valve *valve);
   void valve_command(const ValveCommandRequest &msg) override;
+
+ protected:
+  bool try_send_valve_state_(valve::Valve *valve);
+  bool try_send_valve_info_(valve::Valve *valve);
+
+ public:
 #endif
 #ifdef USE_MEDIA_PLAYER
   bool send_media_player_state(media_player::MediaPlayer *media_player);
-  bool send_media_player_info(media_player::MediaPlayer *media_player);
+  void send_media_player_info(media_player::MediaPlayer *media_player);
   void media_player_command(const MediaPlayerCommandRequest &msg) override;
+
+ protected:
+  bool try_send_media_player_state_(media_player::MediaPlayer *media_player);
+  bool try_send_media_player_info_(media_player::MediaPlayer *media_player);
+
+ public:
 #endif
-  bool send_log_message(int level, const char *tag, const char *line);
+  bool try_send_log_message(int level, const char *tag, const char *line);
   void send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
     if (!this->service_call_subscription_)
       return;
@@ -137,6 +302,7 @@ class APIConnection : public APIServerConnection {
   void bluetooth_gatt_notify(const BluetoothGATTNotifyRequest &msg) override;
   BluetoothConnectionsFreeResponse subscribe_bluetooth_connections_free(
       const SubscribeBluetoothConnectionsFreeRequest &msg) override;
+  void bluetooth_scanner_set_mode(const BluetoothScannerSetModeRequest &msg) override;
 
 #endif
 #ifdef USE_HOMEASSISTANT_TIME
@@ -160,19 +326,38 @@ class APIConnection : public APIServerConnection {
 
 #ifdef USE_ALARM_CONTROL_PANEL
   bool send_alarm_control_panel_state(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
-  bool send_alarm_control_panel_info(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
+  void send_alarm_control_panel_info(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
   void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) override;
+
+ protected:
+  bool try_send_alarm_control_panel_state_(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
+  bool try_send_alarm_control_panel_info_(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
+
+ public:
 #endif
 
 #ifdef USE_EVENT
-  bool send_event(event::Event *event, std::string event_type);
-  bool send_event_info(event::Event *event);
+  void send_event(event::Event *event, std::string event_type);
+  void send_event_info(event::Event *event);
+
+ protected:
+  bool try_send_event_(event::Event *event);
+  bool try_send_event_(event::Event *event, std::string event_type);
+  bool try_send_event_info_(event::Event *event);
+
+ public:
 #endif
 
 #ifdef USE_UPDATE
   bool send_update_state(update::UpdateEntity *update);
-  bool send_update_info(update::UpdateEntity *update);
+  void send_update_info(update::UpdateEntity *update);
   void update_command(const UpdateCommandRequest &msg) override;
+
+ protected:
+  bool try_send_update_state_(update::UpdateEntity *update);
+  bool try_send_update_info_(update::UpdateEntity *update);
+
+ public:
 #endif
 
   void on_disconnect_response(const DisconnectResponse &value) override;
@@ -209,6 +394,9 @@ class APIConnection : public APIServerConnection {
     return {};
   }
   void execute_service(const ExecuteServiceRequest &msg) override;
+#ifdef USE_API_NOISE
+  NoiseEncryptionSetKeyResponse noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) override;
+#endif
 
   bool is_authenticated() override { return this->connection_state_ == ConnectionState::AUTHENTICATED; }
   bool is_connection_setup() override {
@@ -217,11 +405,20 @@ class APIConnection : public APIServerConnection {
   void on_fatal_error() override;
   void on_unauthenticated_access() override;
   void on_no_setup_connection() override;
-  ProtoWriteBuffer create_buffer() override {
+  ProtoWriteBuffer create_buffer(uint32_t reserve_size) override {
     // FIXME: ensure no recursive writes can happen
     this->proto_write_buffer_.clear();
+    // Get header padding size - used for both reserve and insert
+    uint8_t header_padding = this->helper_->frame_header_padding();
+    // Reserve space for header padding + message + footer
+    // - Header padding: space for protocol headers (7 bytes for Noise, 6 for Plaintext)
+    // - Footer: space for MAC (16 bytes for Noise, 0 for Plaintext)
+    this->proto_write_buffer_.reserve(reserve_size + header_padding + this->helper_->frame_footer_size());
+    // Insert header padding bytes so message encoding starts at the correct position
+    this->proto_write_buffer_.insert(this->proto_write_buffer_.begin(), header_padding, 0);
     return {&this->proto_write_buffer_};
   }
+  bool try_to_clear_buffer(bool log_out_of_space);
   bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) override;
 
   std::string get_client_combined_info() const { return this->client_combined_info_; }
@@ -229,6 +426,99 @@ class APIConnection : public APIServerConnection {
  protected:
   friend APIServer;
 
+  /**
+   * Generic send entity state method to reduce code duplication.
+   * Only attempts to build and send the message if the transmit buffer is available.
+   *
+   * This is the base version for entities that use their current state.
+   *
+   * @param entity The entity to send state for
+   * @param try_send_func The function that tries to send the state
+   * @return True on success or message deferred, false if subscription check failed
+   */
+  bool send_state_(esphome::EntityBase *entity, send_message_t try_send_func) {
+    if (!this->state_subscription_)
+      return false;
+    if (this->try_to_clear_buffer(true) && (this->*try_send_func)(entity)) {
+      return true;
+    }
+    this->deferred_message_queue_.defer(entity, try_send_func);
+    return true;
+  }
+
+  /**
+   * Send entity state method that handles explicit state values.
+   * Only attempts to build and send the message if the transmit buffer is available.
+   *
+   * This method accepts a state parameter to be used instead of the entity's current state.
+   * It attempts to send the state with the provided value first, and if that fails due to buffer constraints,
+   * it defers the entity for later processing using the entity-only function.
+   *
+   * @tparam EntityT The entity type
+   * @tparam StateT Type of the state parameter
+   * @tparam Args Additional argument types (if any)
+   * @param entity The entity to send state for
+   * @param try_send_entity_func The function that tries to send the state with entity pointer only
+   * @param try_send_state_func The function that tries to send the state with entity and state parameters
+   * @param state The state value to send
+   * @param args Additional arguments to pass to the try_send_state_func
+   * @return True on success or message deferred, false if subscription check failed
+   */
+  template<typename EntityT, typename StateT, typename... Args>
+  bool send_state_with_value_(EntityT *entity, bool (APIConnection::*try_send_entity_func)(EntityT *),
+                              bool (APIConnection::*try_send_state_func)(EntityT *, StateT, Args...), StateT state,
+                              Args... args) {
+    if (!this->state_subscription_)
+      return false;
+    if (this->try_to_clear_buffer(true) && (this->*try_send_state_func)(entity, state, args...)) {
+      return true;
+    }
+    this->deferred_message_queue_.defer(entity, reinterpret_cast<send_message_t>(try_send_entity_func));
+    return true;
+  }
+
+  /**
+   * Generic send entity info method to reduce code duplication.
+   * Only attempts to build and send the message if the transmit buffer is available.
+   *
+   * @param entity The entity to send info for
+   * @param try_send_func The function that tries to send the info
+   */
+  void send_info_(esphome::EntityBase *entity, send_message_t try_send_func) {
+    if (this->try_to_clear_buffer(true) && (this->*try_send_func)(entity)) {
+      return;
+    }
+    this->deferred_message_queue_.defer(entity, try_send_func);
+  }
+
+  /**
+   * Generic function for generating entity info response messages.
+   * This is used to reduce duplication in the try_send_*_info functions.
+   *
+   * @param entity The entity to generate info for
+   * @param response The response object
+   * @param send_response_func Function pointer to send the response
+   * @return True if the message was sent successfully
+   */
+  template<typename ResponseT>
+  bool try_send_entity_info_(esphome::EntityBase *entity, ResponseT &response,
+                             bool (APIServerConnectionBase::*send_response_func)(const ResponseT &)) {
+    // Set common fields that are shared by all entity types
+    response.key = entity->get_object_id_hash();
+    response.object_id = entity->get_object_id();
+
+    if (entity->has_own_name())
+      response.name = entity->get_name();
+
+    // Set common EntityBase properties
+    response.icon = entity->get_icon();
+    response.disabled_by_default = entity->is_disabled_by_default();
+    response.entity_category = static_cast<enums::EntityCategory>(entity->get_entity_category());
+
+    // Send the response using the provided send method
+    return (this->*send_response_func)(response);
+  }
+
   bool send_(const void *buf, size_t len, bool force);
 
   enum class ConnectionState {
@@ -262,6 +552,7 @@ class APIConnection : public APIServerConnection {
   bool service_call_subscription_{false};
   bool next_close_ = false;
   APIServer *parent_;
+  DeferredMessageQueue deferred_message_queue_;
   InitialStateIterator initial_state_iterator_;
   ListEntitiesIterator list_entities_iterator_;
   int state_subs_at_ = -1;

esphome/components/api/api_frame_helper.cpp

@@ -5,6 +5,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/application.h"
 #include "proto.h"
+#include "api_pb2_size.h"
 #include <cstring>
 
 namespace esphome {
@@ -72,6 +73,91 @@ const char *api_error_to_str(APIError err) {
   return "UNKNOWN";
 }
 
+// Common implementation for writing raw data to socket
+template<typename StateEnum>
+APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, socket::Socket *socket,
+                                    std::vector<uint8_t> &tx_buf, const std::string &info, StateEnum &state,
+                                    StateEnum failed_state) {
+  // This method writes data to socket or buffers it
+  // Returns APIError::OK if successful (or would block, but data has been buffered)
+  // Returns APIError::SOCKET_WRITE_FAILED if socket write failed, and sets state to failed_state
+
+  if (iovcnt == 0)
+    return APIError::OK;  // Nothing to do, success
+
+  size_t total_write_len = 0;
+  for (int i = 0; i < iovcnt; i++) {
+#ifdef HELPER_LOG_PACKETS
+    ESP_LOGVV(TAG, "Sending raw: %s",
+              format_hex_pretty(reinterpret_cast<uint8_t *>(iov[i].iov_base), iov[i].iov_len).c_str());
+#endif
+    total_write_len += iov[i].iov_len;
+  }
+
+  if (!tx_buf.empty()) {
+    // try to empty tx_buf first
+    while (!tx_buf.empty()) {
+      ssize_t sent = socket->write(tx_buf.data(), tx_buf.size());
+      if (is_would_block(sent)) {
+        break;
+      } else if (sent == -1) {
+        ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", info.c_str(), errno);
+        state = failed_state;
+        return APIError::SOCKET_WRITE_FAILED;  // Socket write failed
+      }
+      // TODO: inefficient if multiple packets in txbuf
+      // replace with deque of buffers
+      tx_buf.erase(tx_buf.begin(), tx_buf.begin() + sent);
+    }
+  }
+
+  if (!tx_buf.empty()) {
+    // tx buf not empty, can't write now because then stream would be inconsistent
+    // Reserve space upfront to avoid multiple reallocations
+    tx_buf.reserve(tx_buf.size() + total_write_len);
+    for (int i = 0; i < iovcnt; i++) {
+      tx_buf.insert(tx_buf.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
+                    reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
+    }
+    return APIError::OK;  // Success, data buffered
+  }
+
+  ssize_t sent = socket->writev(iov, iovcnt);
+  if (is_would_block(sent)) {
+    // operation would block, add buffer to tx_buf
+    // Reserve space upfront to avoid multiple reallocations
+    tx_buf.reserve(tx_buf.size() + total_write_len);
+    for (int i = 0; i < iovcnt; i++) {
+      tx_buf.insert(tx_buf.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
+                    reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
+    }
+    return APIError::OK;  // Success, data buffered
+  } else if (sent == -1) {
+    // an error occurred
+    ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", info.c_str(), errno);
+    state = failed_state;
+    return APIError::SOCKET_WRITE_FAILED;  // Socket write failed
+  } else if ((size_t) sent != total_write_len) {
+    // partially sent, add end to tx_buf
+    size_t remaining = total_write_len - sent;
+    // Reserve space upfront to avoid multiple reallocations
+    tx_buf.reserve(tx_buf.size() + remaining);
+
+    size_t to_consume = sent;
+    for (int i = 0; i < iovcnt; i++) {
+      if (to_consume >= iov[i].iov_len) {
+        to_consume -= iov[i].iov_len;
+      } else {
+        tx_buf.insert(tx_buf.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base) + to_consume,
+                      reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
+        to_consume = 0;
+      }
+    }
+    return APIError::OK;  // Success, data buffered
+  }
+  return APIError::OK;  // Success, all data sent
+}
+
 #define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, info_.c_str(), ##__VA_ARGS__)
 // uncomment to log raw packets
 //#define HELPER_LOG_PACKETS
@@ -311,6 +397,10 @@ APIError APINoiseFrameHelper::state_action_() {
     const std::string &name = App.get_name();
     const uint8_t *name_ptr = reinterpret_cast<const uint8_t *>(name.c_str());
     msg.insert(msg.end(), name_ptr, name_ptr + name.size() + 1);
+    // node mac, terminated by null byte
+    const std::string &mac = get_mac_address();
+    const uint8_t *mac_ptr = reinterpret_cast<const uint8_t *>(mac.c_str());
+    msg.insert(msg.end(), mac_ptr, mac_ptr + mac.size() + 1);
 
     aerr = write_frame_(msg.data(), msg.size());
     if (aerr != APIError::OK)
@@ -403,9 +493,12 @@ void APINoiseFrameHelper::send_explicit_handshake_reject_(const std::string &rea
   std::vector<uint8_t> data;
   data.resize(reason.length() + 1);
   data[0] = 0x01;  // failure
-  for (size_t i = 0; i < reason.length(); i++) {
-    data[i + 1] = (uint8_t) reason[i];
+
+  // Copy error message in bulk
+  if (!reason.empty()) {
+    std::memcpy(data.data() + 1, reason.c_str(), reason.length());
   }
+
   // temporarily remove failed state
   auto orig_state = state_;
   state_ = State::EXPLICIT_REJECT;
@@ -467,7 +560,7 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   return APIError::OK;
 }
 bool APINoiseFrameHelper::can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
-APIError APINoiseFrameHelper::write_packet(uint16_t type, const uint8_t *payload, size_t payload_len) {
+APIError APINoiseFrameHelper::write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) {
   int err;
   APIError aerr;
   aerr = state_action_();
@@ -479,31 +572,36 @@ APIError APINoiseFrameHelper::write_packet(uint16_t type, const uint8_t *payload
     return APIError::WOULD_BLOCK;
   }
 
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  // Message data starts after padding
+  size_t payload_len = raw_buffer->size() - frame_header_padding_;
   size_t padding = 0;
   size_t msg_len = 4 + payload_len + padding;
-  size_t frame_len = 3 + msg_len + noise_cipherstate_get_mac_length(send_cipher_);
-  auto tmpbuf = std::unique_ptr<uint8_t[]>{new (std::nothrow) uint8_t[frame_len]};
-  if (tmpbuf == nullptr) {
-    HELPER_LOG("Could not allocate for writing packet");
-    return APIError::OUT_OF_MEMORY;
-  }
 
-  tmpbuf[0] = 0x01;  // indicator
-  // tmpbuf[1], tmpbuf[2] to be set later
+  // We need to resize to include MAC space, but we already reserved it in create_buffer
+  raw_buffer->resize(raw_buffer->size() + frame_footer_size_);
+
+  // Write the noise header in the padded area
+  // Buffer layout:
+  // [0]    - 0x01 indicator byte
+  // [1-2]  - Size of encrypted payload (filled after encryption)
+  // [3-4]  - Message type (encrypted)
+  // [5-6]  - Payload length (encrypted)
+  // [7...] - Actual payload data (encrypted)
+  uint8_t *buf_start = raw_buffer->data();
+  buf_start[0] = 0x01;  // indicator
+  // buf_start[1], buf_start[2] to be set later after encryption
   const uint8_t msg_offset = 3;
-  const uint8_t payload_offset = msg_offset + 4;
-  tmpbuf[msg_offset + 0] = (uint8_t) (type >> 8);  // type
-  tmpbuf[msg_offset + 1] = (uint8_t) type;
-  tmpbuf[msg_offset + 2] = (uint8_t) (payload_len >> 8);  // data_len
-  tmpbuf[msg_offset + 3] = (uint8_t) payload_len;
-  // copy data
-  std::copy(payload, payload + payload_len, &tmpbuf[payload_offset]);
-  // fill padding with zeros
-  std::fill(&tmpbuf[payload_offset + payload_len], &tmpbuf[frame_len], 0);
+  buf_start[msg_offset + 0] = (uint8_t) (type >> 8);         // type high byte
+  buf_start[msg_offset + 1] = (uint8_t) type;                // type low byte
+  buf_start[msg_offset + 2] = (uint8_t) (payload_len >> 8);  // data_len high byte
+  buf_start[msg_offset + 3] = (uint8_t) payload_len;         // data_len low byte
+  // payload data is already in the buffer starting at position 7
 
   NoiseBuffer mbuf;
   noise_buffer_init(mbuf);
-  noise_buffer_set_inout(mbuf, &tmpbuf[msg_offset], msg_len, frame_len - msg_offset);
+  // The capacity parameter should be msg_len + frame_footer_size_ (MAC length) to allow space for encryption
+  noise_buffer_set_inout(mbuf, buf_start + msg_offset, msg_len, msg_len + frame_footer_size_);
   err = noise_cipherstate_encrypt(send_cipher_, &mbuf);
   if (err != 0) {
     state_ = State::FAILED;
@@ -512,11 +610,13 @@ APIError APINoiseFrameHelper::write_packet(uint16_t type, const uint8_t *payload
   }
 
   size_t total_len = 3 + mbuf.size;
-  tmpbuf[1] = (uint8_t) (mbuf.size >> 8);
-  tmpbuf[2] = (uint8_t) mbuf.size;
+  buf_start[1] = (uint8_t) (mbuf.size >> 8);
+  buf_start[2] = (uint8_t) mbuf.size;
 
   struct iovec iov;
-  iov.iov_base = &tmpbuf[0];
+  // Point iov_base to the beginning of the buffer (no unused padding in Noise)
+  // We send the entire frame: indicator + size + encrypted(type + data_len + payload + MAC)
+  iov.iov_base = buf_start;
   iov.iov_len = total_len;
 
   // write raw to not have two packets sent if NAGLE disabled
@@ -542,71 +642,6 @@ APIError APINoiseFrameHelper::try_send_tx_buf_() {
 
   return APIError::OK;
 }
-/** Write the data to the socket, or buffer it a write would block
- *
- * @param data The data to write
- * @param len The length of data
- */
-APIError APINoiseFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
-  if (iovcnt == 0)
-    return APIError::OK;
-  APIError aerr;
-
-  size_t total_write_len = 0;
-  for (int i = 0; i < iovcnt; i++) {
-#ifdef HELPER_LOG_PACKETS
-    ESP_LOGVV(TAG, "Sending raw: %s",
-              format_hex_pretty(reinterpret_cast<uint8_t *>(iov[i].iov_base), iov[i].iov_len).c_str());
-#endif
-    total_write_len += iov[i].iov_len;
-  }
-
-  if (!tx_buf_.empty()) {
-    // try to empty tx_buf_ first
-    aerr = try_send_tx_buf_();
-    if (aerr != APIError::OK && aerr != APIError::WOULD_BLOCK)
-      return aerr;
-  }
-
-  if (!tx_buf_.empty()) {
-    // tx buf not empty, can't write now because then stream would be inconsistent
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                     reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-    }
-    return APIError::OK;
-  }
-
-  ssize_t sent = socket_->writev(iov, iovcnt);
-  if (is_would_block(sent)) {
-    // operation would block, add buffer to tx_buf
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                     reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-    }
-    return APIError::OK;
-  } else if (sent == -1) {
-    // an error occurred
-    state_ = State::FAILED;
-    HELPER_LOG("Socket write failed with errno %d", errno);
-    return APIError::SOCKET_WRITE_FAILED;
-  } else if ((size_t) sent != total_write_len) {
-    // partially sent, add end to tx_buf
-    size_t to_consume = sent;
-    for (int i = 0; i < iovcnt; i++) {
-      if (to_consume >= iov[i].iov_len) {
-        to_consume -= iov[i].iov_len;
-      } else {
-        tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base) + to_consume,
-                       reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-        to_consume = 0;
-      }
-    }
-    return APIError::OK;
-  }
-  // fully sent
-  return APIError::OK;
-}
 APIError APINoiseFrameHelper::write_frame_(const uint8_t *data, size_t len) {
   uint8_t header[3];
   header[0] = 0x01;  // indicator
@@ -693,6 +728,8 @@ APIError APINoiseFrameHelper::check_handshake_finished_() {
     return APIError::HANDSHAKESTATE_SPLIT_FAILED;
   }
 
+  frame_footer_size_ = noise_cipherstate_get_mac_length(send_cipher_);
+
   HELPER_LOG("Handshake complete!");
   noise_handshakestate_free(handshake_);
   handshake_ = nullptr;
@@ -740,6 +777,11 @@ void noise_rand_bytes(void *output, size_t len) {
   }
 }
 }
+
+// Explicit template instantiation for Noise
+template APIError APIFrameHelper::write_raw_<APINoiseFrameHelper::State>(
+    const struct iovec *iov, int iovcnt, socket::Socket *socket, std::vector<uint8_t> &tx_buf_, const std::string &info,
+    APINoiseFrameHelper::State &state, APINoiseFrameHelper::State failed_state);
 #endif  // USE_API_NOISE
 
 #ifdef USE_API_PLAINTEXT
@@ -800,6 +842,10 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
   // read header
   while (!rx_header_parsed_) {
     uint8_t data;
+    // Reading one byte at a time is fastest in practice for ESP32 when
+    // there is no data on the wire (which is the common case).
+    // This results in faster failure detection compared to
+    // attempting to read multiple bytes at once.
     ssize_t received = socket_->read(&data, 1);
     if (received == -1) {
       if (errno == EWOULDBLOCK || errno == EAGAIN) {
@@ -813,27 +859,60 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
       HELPER_LOG("Connection closed");
       return APIError::CONNECTION_CLOSED;
     }
-    rx_header_buf_.push_back(data);
 
-    // try parse header
-    if (rx_header_buf_[0] != 0x00) {
-      state_ = State::FAILED;
-      HELPER_LOG("Bad indicator byte %u", rx_header_buf_[0]);
-      return APIError::BAD_INDICATOR;
+    // Successfully read a byte
+
+    // Process byte according to current buffer position
+    if (rx_header_buf_pos_ == 0) {  // Case 1: First byte (indicator byte)
+      if (data != 0x00) {
+        state_ = State::FAILED;
+        HELPER_LOG("Bad indicator byte %u", data);
+        return APIError::BAD_INDICATOR;
+      }
+      // We don't store the indicator byte, just increment position
+      rx_header_buf_pos_ = 1;  // Set to 1 directly
+      continue;                // Need more bytes before we can parse
     }
 
-    size_t i = 1;
+    // Check buffer overflow before storing
+    if (rx_header_buf_pos_ == 5) {  // Case 2: Buffer would overflow (5 bytes is max allowed)
+      state_ = State::FAILED;
+      HELPER_LOG("Header buffer overflow");
+      return APIError::BAD_DATA_PACKET;
+    }
+
+    // Store byte in buffer (adjust index to account for skipped indicator byte)
+    rx_header_buf_[rx_header_buf_pos_ - 1] = data;
+
+    // Increment position after storing
+    rx_header_buf_pos_++;
+
+    // Case 3: If we only have one varint byte, we need more
+    if (rx_header_buf_pos_ == 2) {  // Have read indicator + 1 byte
+      continue;                     // Need more bytes before we can parse
+    }
+
+    // At this point, we have at least 3 bytes total:
+    //   - Validated indicator byte (0x00) but not stored
+    //   - At least 2 bytes in the buffer for the varints
+    // Buffer layout:
+    //   First 1-3 bytes: Message size varint (variable length)
+    //     - 2 bytes would only allow up to 16383, which is less than noise's 65535
+    //     - 3 bytes allows up to 2097151, ensuring we support at least as much as noise
+    //   Remaining 1-2 bytes: Message type varint (variable length)
+    // We now attempt to parse both varints. If either is incomplete,
+    // we'll continue reading more bytes.
+
     uint32_t consumed = 0;
-    auto msg_size_varint = ProtoVarInt::parse(&rx_header_buf_[i], rx_header_buf_.size() - i, &consumed);
+    auto msg_size_varint = ProtoVarInt::parse(&rx_header_buf_[0], rx_header_buf_pos_ - 1, &consumed);
     if (!msg_size_varint.has_value()) {
       // not enough data there yet
       continue;
     }
 
-    i += consumed;
     rx_header_parsed_len_ = msg_size_varint->as_uint32();
 
-    auto msg_type_varint = ProtoVarInt::parse(&rx_header_buf_[i], rx_header_buf_.size() - i, &consumed);
+    auto msg_type_varint = ProtoVarInt::parse(&rx_header_buf_[consumed], rx_header_buf_pos_ - 1 - consumed, &consumed);
     if (!msg_type_varint.has_value()) {
       // not enough data there yet
       continue;
@@ -879,7 +958,7 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
   // consume msg
   rx_buf_ = {};
   rx_buf_len_ = 0;
-  rx_header_buf_.clear();
+  rx_header_buf_pos_ = 0;
   rx_header_parsed_ = false;
   return APIError::OK;
 }
@@ -893,8 +972,28 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
 
   ParsedFrame frame;
   aerr = try_read_frame_(&frame);
-  if (aerr != APIError::OK)
+  if (aerr != APIError::OK) {
+    if (aerr == APIError::BAD_INDICATOR) {
+      // Make sure to tell the remote that we don't
+      // understand the indicator byte so it knows
+      // we do not support it.
+      struct iovec iov[1];
+      // The \x00 first byte is the marker for plaintext.
+      //
+      // The remote will know how to handle the indicator byte,
+      // but it likely won't understand the rest of the message.
+      //
+      // 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";
+      iov[0].iov_base = (void *) msg;
+      iov[0].iov_len = 19;
+      write_raw_(iov, 1);
+    }
     return aerr;
+  }
 
   buffer->container = std::move(frame.msg);
   buffer->data_offset = 0;
@@ -903,26 +1002,66 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   return APIError::OK;
 }
 bool APIPlaintextFrameHelper::can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
-APIError APIPlaintextFrameHelper::write_packet(uint16_t type, const uint8_t *payload, size_t payload_len) {
+APIError APIPlaintextFrameHelper::write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) {
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
 
-  std::vector<uint8_t> header;
-  header.push_back(0x00);
-  ProtoVarInt(payload_len).encode(header);
-  ProtoVarInt(type).encode(header);
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  // Message data starts after padding (frame_header_padding_ = 6)
+  size_t payload_len = raw_buffer->size() - frame_header_padding_;
 
-  struct iovec iov[2];
-  iov[0].iov_base = &header[0];
-  iov[0].iov_len = header.size();
-  if (payload_len == 0) {
-    return write_raw_(iov, 1);
+  // Calculate varint sizes for header components
+  size_t size_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(payload_len));
+  size_t type_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(type));
+  size_t total_header_len = 1 + size_varint_len + type_varint_len;
+
+  if (total_header_len > frame_header_padding_) {
+    // Header is too large to fit in the padding
+    return APIError::BAD_ARG;
   }
-  iov[1].iov_base = const_cast<uint8_t *>(payload);
-  iov[1].iov_len = payload_len;
 
-  return write_raw_(iov, 2);
+  // Calculate where to start writing the header
+  // The header starts at the latest possible position to minimize unused padding
+  //
+  // Example 1 (small values): total_header_len = 3, header_offset = 6 - 3 = 3
+  // [0-2]  - Unused padding
+  // [3]    - 0x00 indicator byte
+  // [4]    - Payload size varint (1 byte, for sizes 0-127)
+  // [5]    - Message type varint (1 byte, for types 0-127)
+  // [6...] - Actual payload data
+  //
+  // Example 2 (medium values): total_header_len = 4, header_offset = 6 - 4 = 2
+  // [0-1]  - Unused padding
+  // [2]    - 0x00 indicator byte
+  // [3-4]  - Payload size varint (2 bytes, for sizes 128-16383)
+  // [5]    - Message type varint (1 byte, for types 0-127)
+  // [6...] - Actual payload data
+  //
+  // Example 3 (large values): total_header_len = 6, header_offset = 6 - 6 = 0
+  // [0]    - 0x00 indicator byte
+  // [1-3]  - Payload size varint (3 bytes, for sizes 16384-2097151)
+  // [4-5]  - Message type varint (2 bytes, for types 128-32767)
+  // [6...] - Actual payload data
+  uint8_t *buf_start = raw_buffer->data();
+  size_t header_offset = frame_header_padding_ - total_header_len;
+
+  // Write the plaintext header
+  buf_start[header_offset] = 0x00;  // indicator
+
+  // Encode size varint directly into buffer
+  ProtoVarInt(payload_len).encode_to_buffer_unchecked(buf_start + header_offset + 1, size_varint_len);
+
+  // Encode type varint directly into buffer
+  ProtoVarInt(type).encode_to_buffer_unchecked(buf_start + header_offset + 1 + size_varint_len, type_varint_len);
+
+  struct iovec iov;
+  // Point iov_base to the beginning of our header (skip unused padding)
+  // This ensures we only send the actual header and payload, not the empty padding bytes
+  iov.iov_base = buf_start + header_offset;
+  iov.iov_len = total_header_len + payload_len;
+
+  return write_raw_(&iov, 1);
 }
 APIError APIPlaintextFrameHelper::try_send_tx_buf_() {
   // try send from tx_buf
@@ -942,71 +1081,6 @@ APIError APIPlaintextFrameHelper::try_send_tx_buf_() {
 
   return APIError::OK;
 }
-/** Write the data to the socket, or buffer it a write would block
- *
- * @param data The data to write
- * @param len The length of data
- */
-APIError APIPlaintextFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
-  if (iovcnt == 0)
-    return APIError::OK;
-  APIError aerr;
-
-  size_t total_write_len = 0;
-  for (int i = 0; i < iovcnt; i++) {
-#ifdef HELPER_LOG_PACKETS
-    ESP_LOGVV(TAG, "Sending raw: %s",
-              format_hex_pretty(reinterpret_cast<uint8_t *>(iov[i].iov_base), iov[i].iov_len).c_str());
-#endif
-    total_write_len += iov[i].iov_len;
-  }
-
-  if (!tx_buf_.empty()) {
-    // try to empty tx_buf_ first
-    aerr = try_send_tx_buf_();
-    if (aerr != APIError::OK && aerr != APIError::WOULD_BLOCK)
-      return aerr;
-  }
-
-  if (!tx_buf_.empty()) {
-    // tx buf not empty, can't write now because then stream would be inconsistent
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                     reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-    }
-    return APIError::OK;
-  }
-
-  ssize_t sent = socket_->writev(iov, iovcnt);
-  if (is_would_block(sent)) {
-    // operation would block, add buffer to tx_buf
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                     reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-    }
-    return APIError::OK;
-  } else if (sent == -1) {
-    // an error occurred
-    state_ = State::FAILED;
-    HELPER_LOG("Socket write failed with errno %d", errno);
-    return APIError::SOCKET_WRITE_FAILED;
-  } else if ((size_t) sent != total_write_len) {
-    // partially sent, add end to tx_buf
-    size_t to_consume = sent;
-    for (int i = 0; i < iovcnt; i++) {
-      if (to_consume >= iov[i].iov_len) {
-        to_consume -= iov[i].iov_len;
-      } else {
-        tx_buf_.insert(tx_buf_.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base) + to_consume,
-                       reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-        to_consume = 0;
-      }
-    }
-    return APIError::OK;
-  }
-  // fully sent
-  return APIError::OK;
-}
 
 APIError APIPlaintextFrameHelper::close() {
   state_ = State::CLOSED;
@@ -1024,6 +1098,11 @@ APIError APIPlaintextFrameHelper::shutdown(int how) {
   }
   return APIError::OK;
 }
+
+// Explicit template instantiation for Plaintext
+template APIError APIFrameHelper::write_raw_<APIPlaintextFrameHelper::State>(
+    const struct iovec *iov, int iovcnt, socket::Socket *socket, std::vector<uint8_t> &tx_buf_, const std::string &info,
+    APIPlaintextFrameHelper::State &state, APIPlaintextFrameHelper::State failed_state);
 #endif  // USE_API_PLAINTEXT
 
 }  // namespace api

esphome/components/api/api_frame_helper.h

@@ -16,6 +16,8 @@
 namespace esphome {
 namespace api {
 
+class ProtoWriteBuffer;
+
 struct ReadPacketBuffer {
   std::vector<uint8_t> container;
   uint16_t type;
@@ -65,26 +67,46 @@ class APIFrameHelper {
   virtual APIError loop() = 0;
   virtual APIError read_packet(ReadPacketBuffer *buffer) = 0;
   virtual bool can_write_without_blocking() = 0;
-  virtual APIError write_packet(uint16_t type, const uint8_t *data, size_t len) = 0;
+  virtual APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) = 0;
   virtual std::string getpeername() = 0;
   virtual int getpeername(struct sockaddr *addr, socklen_t *addrlen) = 0;
   virtual APIError close() = 0;
   virtual APIError shutdown(int how) = 0;
   // Give this helper a name for logging
   virtual void set_log_info(std::string info) = 0;
+  // Get the frame header padding required by this protocol
+  virtual uint8_t frame_header_padding() = 0;
+  // Get the frame footer size required by this protocol
+  virtual uint8_t frame_footer_size() = 0;
+
+ protected:
+  // Common implementation for writing raw data to socket
+  template<typename StateEnum>
+  APIError write_raw_(const struct iovec *iov, int iovcnt, socket::Socket *socket, std::vector<uint8_t> &tx_buf,
+                      const std::string &info, StateEnum &state, StateEnum failed_state);
+
+  uint8_t frame_header_padding_{0};
+  uint8_t frame_footer_size_{0};
 };
 
 #ifdef USE_API_NOISE
 class APINoiseFrameHelper : public APIFrameHelper {
  public:
   APINoiseFrameHelper(std::unique_ptr<socket::Socket> socket, std::shared_ptr<APINoiseContext> ctx)
-      : socket_(std::move(socket)), ctx_(std::move(std::move(ctx))) {}
+      : socket_(std::move(socket)), ctx_(std::move(ctx)) {
+    // Noise header structure:
+    // Pos 0: indicator (0x01)
+    // Pos 1-2: encrypted payload size (16-bit big-endian)
+    // Pos 3-6: encrypted type (16-bit) + data_len (16-bit)
+    // Pos 7+: actual payload data
+    frame_header_padding_ = 7;
+  }
   ~APINoiseFrameHelper() override;
   APIError init() override;
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
   bool can_write_without_blocking() override;
-  APIError write_packet(uint16_t type, const uint8_t *payload, size_t len) override;
+  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
   std::string getpeername() override { return this->socket_->getpeername(); }
   int getpeername(struct sockaddr *addr, socklen_t *addrlen) override {
     return this->socket_->getpeername(addr, addrlen);
@@ -93,6 +115,10 @@ class APINoiseFrameHelper : public APIFrameHelper {
   APIError shutdown(int how) override;
   // Give this helper a name for logging
   void set_log_info(std::string info) override { info_ = std::move(info); }
+  // Get the frame header padding required by this protocol
+  uint8_t frame_header_padding() override { return frame_header_padding_; }
+  // Get the frame footer size required by this protocol
+  uint8_t frame_footer_size() override { return frame_footer_size_; }
 
  protected:
   struct ParsedFrame {
@@ -103,7 +129,9 @@ class APINoiseFrameHelper : public APIFrameHelper {
   APIError try_read_frame_(ParsedFrame *frame);
   APIError try_send_tx_buf_();
   APIError write_frame_(const uint8_t *data, size_t len);
-  APIError write_raw_(const struct iovec *iov, int iovcnt);
+  inline APIError write_raw_(const struct iovec *iov, int iovcnt) {
+    return APIFrameHelper::write_raw_(iov, iovcnt, socket_.get(), tx_buf_, info_, state_, State::FAILED);
+  }
   APIError init_handshake_();
   APIError check_handshake_finished_();
   void send_explicit_handshake_reject_(const std::string &reason);
@@ -111,6 +139,9 @@ class APINoiseFrameHelper : public APIFrameHelper {
   std::unique_ptr<socket::Socket> socket_;
 
   std::string info_;
+  // Fixed-size header buffer for noise protocol:
+  // 1 byte for indicator + 2 bytes for message size (16-bit value, not varint)
+  // Note: Maximum message size is 65535, with a limit of 128 bytes during handshake phase
   uint8_t rx_header_buf_[3];
   size_t rx_header_buf_len_ = 0;
   std::vector<uint8_t> rx_buf_;
@@ -141,13 +172,20 @@ class APINoiseFrameHelper : public APIFrameHelper {
 #ifdef USE_API_PLAINTEXT
 class APIPlaintextFrameHelper : public APIFrameHelper {
  public:
-  APIPlaintextFrameHelper(std::unique_ptr<socket::Socket> socket) : socket_(std::move(socket)) {}
+  APIPlaintextFrameHelper(std::unique_ptr<socket::Socket> socket) : socket_(std::move(socket)) {
+    // Plaintext header structure (worst case):
+    // Pos 0: indicator (0x00)
+    // Pos 1-3: payload size varint (up to 3 bytes)
+    // Pos 4-5: message type varint (up to 2 bytes)
+    // Pos 6+: actual payload data
+    frame_header_padding_ = 6;
+  }
   ~APIPlaintextFrameHelper() override = default;
   APIError init() override;
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
   bool can_write_without_blocking() override;
-  APIError write_packet(uint16_t type, const uint8_t *payload, size_t len) override;
+  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
   std::string getpeername() override { return this->socket_->getpeername(); }
   int getpeername(struct sockaddr *addr, socklen_t *addrlen) override {
     return this->socket_->getpeername(addr, addrlen);
@@ -156,6 +194,10 @@ class APIPlaintextFrameHelper : public APIFrameHelper {
   APIError shutdown(int how) override;
   // Give this helper a name for logging
   void set_log_info(std::string info) override { info_ = std::move(info); }
+  // Get the frame header padding required by this protocol
+  uint8_t frame_header_padding() override { return frame_header_padding_; }
+  // Get the frame footer size required by this protocol
+  uint8_t frame_footer_size() override { return frame_footer_size_; }
 
  protected:
   struct ParsedFrame {
@@ -164,12 +206,23 @@ class APIPlaintextFrameHelper : public APIFrameHelper {
 
   APIError try_read_frame_(ParsedFrame *frame);
   APIError try_send_tx_buf_();
-  APIError write_raw_(const struct iovec *iov, int iovcnt);
+  inline APIError write_raw_(const struct iovec *iov, int iovcnt) {
+    return APIFrameHelper::write_raw_(iov, iovcnt, socket_.get(), tx_buf_, info_, state_, State::FAILED);
+  }
 
   std::unique_ptr<socket::Socket> socket_;
 
   std::string info_;
-  std::vector<uint8_t> rx_header_buf_;
+  // Fixed-size header buffer for plaintext protocol:
+  // We only need space for the two varints since we validate the indicator byte separately.
+  // To match noise protocol's maximum message size (65535), we need:
+  // 3 bytes for message size varint (supports up to 2097151) + 2 bytes for message type varint
+  //
+  // While varints could theoretically be up to 10 bytes each for 64-bit values,
+  // attempting to process messages with headers that large would likely crash the
+  // ESP32 due to memory constraints.
+  uint8_t rx_header_buf_[5];  // 5 bytes for varints (3 for size + 2 for type)
+  uint8_t rx_header_buf_pos_ = 0;
   bool rx_header_parsed_ = false;
   uint32_t rx_header_parsed_type_ = 0;
   uint32_t rx_header_parsed_len_ = 0;

esphome/components/api/api_noise_context.h

@@ -1,6 +1,6 @@
 #pragma once
-#include <cstdint>
 #include <array>
+#include <cstdint>
 #include "esphome/core/defines.h"
 
 namespace esphome {
@@ -11,11 +11,20 @@ using psk_t = std::array<uint8_t, 32>;
 
 class APINoiseContext {
  public:
-  void set_psk(psk_t psk) { psk_ = psk; }
-  const psk_t &get_psk() const { return psk_; }
+  void set_psk(psk_t psk) {
+    this->psk_ = psk;
+    bool has_psk = false;
+    for (auto i : psk) {
+      has_psk |= i;
+    }
+    this->has_psk_ = has_psk;
+  }
+  const psk_t &get_psk() const { return this->psk_; }
+  bool has_psk() const { return this->has_psk_; }
 
  protected:
-  psk_t psk_;
+  psk_t psk_{};
+  bool has_psk_{false};
 };
 #endif  // USE_API_NOISE
 

esphome/components/api/api_pb2_service.cpp

@@ -1,5 +1,5 @@
 // This file was automatically generated with a tool.
-// See scripts/api_protobuf/api_protobuf.py
+// See script/api_protobuf/api_protobuf.py
 #include "api_pb2_service.h"
 #include "esphome/core/log.h"
 
@@ -179,6 +179,16 @@ bool APIServerConnectionBase::send_text_sensor_state_response(const TextSensorSt
 bool APIServerConnectionBase::send_subscribe_logs_response(const SubscribeLogsResponse &msg) {
   return this->send_message_<SubscribeLogsResponse>(msg, 29);
 }
+#ifdef USE_API_NOISE
+#endif
+#ifdef USE_API_NOISE
+bool APIServerConnectionBase::send_noise_encryption_set_key_response(const NoiseEncryptionSetKeyResponse &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_noise_encryption_set_key_response: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<NoiseEncryptionSetKeyResponse>(msg, 125);
+}
+#endif
 bool APIServerConnectionBase::send_homeassistant_service_response(const HomeassistantServiceResponse &msg) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   ESP_LOGVV(TAG, "send_homeassistant_service_response: %s", msg.dump().c_str());
@@ -282,6 +292,24 @@ bool APIServerConnectionBase::send_select_state_response(const SelectStateRespon
 #endif
 #ifdef USE_SELECT
 #endif
+#ifdef USE_SIREN
+bool APIServerConnectionBase::send_list_entities_siren_response(const ListEntitiesSirenResponse &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_list_entities_siren_response: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<ListEntitiesSirenResponse>(msg, 55);
+}
+#endif
+#ifdef USE_SIREN
+bool APIServerConnectionBase::send_siren_state_response(const SirenStateResponse &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_siren_state_response: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<SirenStateResponse>(msg, 56);
+}
+#endif
+#ifdef USE_SIREN
+#endif
 #ifdef USE_LOCK
 bool APIServerConnectionBase::send_list_entities_lock_response(const ListEntitiesLockResponse &msg) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -462,6 +490,16 @@ bool APIServerConnectionBase::send_bluetooth_device_clear_cache_response(const B
   return this->send_message_<BluetoothDeviceClearCacheResponse>(msg, 88);
 }
 #endif
+#ifdef USE_BLUETOOTH_PROXY
+bool APIServerConnectionBase::send_bluetooth_scanner_state_response(const BluetoothScannerStateResponse &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_bluetooth_scanner_state_response: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<BluetoothScannerStateResponse>(msg, 126);
+}
+#endif
+#ifdef USE_BLUETOOTH_PROXY
+#endif
 #ifdef USE_VOICE_ASSISTANT
 #endif
 #ifdef USE_VOICE_ASSISTANT
@@ -883,6 +921,17 @@ bool APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       ESP_LOGVV(TAG, "on_select_command_request: %s", msg.dump().c_str());
 #endif
       this->on_select_command_request(msg);
+#endif
+      break;
+    }
+    case 57: {
+#ifdef USE_SIREN
+      SirenCommandRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_siren_command_request: %s", msg.dump().c_str());
+#endif
+      this->on_siren_command_request(msg);
 #endif
       break;
     }
@@ -1191,6 +1240,28 @@ bool APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       ESP_LOGVV(TAG, "on_voice_assistant_set_configuration: %s", msg.dump().c_str());
 #endif
       this->on_voice_assistant_set_configuration(msg);
+#endif
+      break;
+    }
+    case 124: {
+#ifdef USE_API_NOISE
+      NoiseEncryptionSetKeyRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_noise_encryption_set_key_request: %s", msg.dump().c_str());
+#endif
+      this->on_noise_encryption_set_key_request(msg);
+#endif
+      break;
+    }
+    case 127: {
+#ifdef USE_BLUETOOTH_PROXY
+      BluetoothScannerSetModeRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_bluetooth_scanner_set_mode_request: %s", msg.dump().c_str());
+#endif
+      this->on_bluetooth_scanner_set_mode_request(msg);
 #endif
       break;
     }
@@ -1311,8 +1382,8 @@ void APIServerConnection::on_execute_service_request(const ExecuteServiceRequest
   }
   this->execute_service(msg);
 }
-#ifdef USE_COVER
-void APIServerConnection::on_cover_command_request(const CoverCommandRequest &msg) {
+#ifdef USE_API_NOISE
+void APIServerConnection::on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) {
   if (!this->is_connection_setup()) {
     this->on_no_setup_connection();
     return;
@@ -1321,11 +1392,14 @@ void APIServerConnection::on_cover_command_request(const CoverCommandRequest &ms
     this->on_unauthenticated_access();
     return;
   }
-  this->cover_command(msg);
+  NoiseEncryptionSetKeyResponse ret = this->noise_encryption_set_key(msg);
+  if (!this->send_noise_encryption_set_key_response(ret)) {
+    this->on_fatal_error();
+  }
 }
 #endif
-#ifdef USE_FAN
-void APIServerConnection::on_fan_command_request(const FanCommandRequest &msg) {
+#ifdef USE_BUTTON
+void APIServerConnection::on_button_command_request(const ButtonCommandRequest &msg) {
   if (!this->is_connection_setup()) {
     this->on_no_setup_connection();
     return;
@@ -1334,33 +1408,7 @@ void APIServerConnection::on_fan_command_request(const FanCommandRequest &msg) {
     this->on_unauthenticated_access();
     return;
   }
-  this->fan_command(msg);
-}
-#endif
-#ifdef USE_LIGHT
-void APIServerConnection::on_light_command_request(const LightCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->light_command(msg);
-}
-#endif
-#ifdef USE_SWITCH
-void APIServerConnection::on_switch_command_request(const SwitchCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->switch_command(msg);
+  this->button_command(msg);
 }
 #endif
 #ifdef USE_ESP32_CAMERA
@@ -1389,8 +1437,8 @@ void APIServerConnection::on_climate_command_request(const ClimateCommandRequest
   this->climate_command(msg);
 }
 #endif
-#ifdef USE_NUMBER
-void APIServerConnection::on_number_command_request(const NumberCommandRequest &msg) {
+#ifdef USE_COVER
+void APIServerConnection::on_cover_command_request(const CoverCommandRequest &msg) {
   if (!this->is_connection_setup()) {
     this->on_no_setup_connection();
     return;
@@ -1399,85 +1447,7 @@ void APIServerConnection::on_number_command_request(const NumberCommandRequest &
     this->on_unauthenticated_access();
     return;
   }
-  this->number_command(msg);
-}
-#endif
-#ifdef USE_TEXT
-void APIServerConnection::on_text_command_request(const TextCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->text_command(msg);
-}
-#endif
-#ifdef USE_SELECT
-void APIServerConnection::on_select_command_request(const SelectCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->select_command(msg);
-}
-#endif
-#ifdef USE_BUTTON
-void APIServerConnection::on_button_command_request(const ButtonCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->button_command(msg);
-}
-#endif
-#ifdef USE_LOCK
-void APIServerConnection::on_lock_command_request(const LockCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->lock_command(msg);
-}
-#endif
-#ifdef USE_VALVE
-void APIServerConnection::on_valve_command_request(const ValveCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->valve_command(msg);
-}
-#endif
-#ifdef USE_MEDIA_PLAYER
-void APIServerConnection::on_media_player_command_request(const MediaPlayerCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->media_player_command(msg);
+  this->cover_command(msg);
 }
 #endif
 #ifdef USE_DATETIME_DATE
@@ -1493,19 +1463,6 @@ void APIServerConnection::on_date_command_request(const DateCommandRequest &msg)
   this->date_command(msg);
 }
 #endif
-#ifdef USE_DATETIME_TIME
-void APIServerConnection::on_time_command_request(const TimeCommandRequest &msg) {
-  if (!this->is_connection_setup()) {
-    this->on_no_setup_connection();
-    return;
-  }
-  if (!this->is_authenticated()) {
-    this->on_unauthenticated_access();
-    return;
-  }
-  this->time_command(msg);
-}
-#endif
 #ifdef USE_DATETIME_DATETIME
 void APIServerConnection::on_date_time_command_request(const DateTimeCommandRequest &msg) {
   if (!this->is_connection_setup()) {
@@ -1519,6 +1476,136 @@ void APIServerConnection::on_date_time_command_request(const DateTimeCommandRequ
   this->datetime_command(msg);
 }
 #endif
+#ifdef USE_FAN
+void APIServerConnection::on_fan_command_request(const FanCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->fan_command(msg);
+}
+#endif
+#ifdef USE_LIGHT
+void APIServerConnection::on_light_command_request(const LightCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->light_command(msg);
+}
+#endif
+#ifdef USE_LOCK
+void APIServerConnection::on_lock_command_request(const LockCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->lock_command(msg);
+}
+#endif
+#ifdef USE_MEDIA_PLAYER
+void APIServerConnection::on_media_player_command_request(const MediaPlayerCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->media_player_command(msg);
+}
+#endif
+#ifdef USE_NUMBER
+void APIServerConnection::on_number_command_request(const NumberCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->number_command(msg);
+}
+#endif
+#ifdef USE_SELECT
+void APIServerConnection::on_select_command_request(const SelectCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->select_command(msg);
+}
+#endif
+#ifdef USE_SIREN
+void APIServerConnection::on_siren_command_request(const SirenCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->siren_command(msg);
+}
+#endif
+#ifdef USE_SWITCH
+void APIServerConnection::on_switch_command_request(const SwitchCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->switch_command(msg);
+}
+#endif
+#ifdef USE_TEXT
+void APIServerConnection::on_text_command_request(const TextCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->text_command(msg);
+}
+#endif
+#ifdef USE_DATETIME_TIME
+void APIServerConnection::on_time_command_request(const TimeCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->time_command(msg);
+}
+#endif
 #ifdef USE_UPDATE
 void APIServerConnection::on_update_command_request(const UpdateCommandRequest &msg) {
   if (!this->is_connection_setup()) {
@@ -1532,6 +1619,19 @@ void APIServerConnection::on_update_command_request(const UpdateCommandRequest &
   this->update_command(msg);
 }
 #endif
+#ifdef USE_VALVE
+void APIServerConnection::on_valve_command_request(const ValveCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->valve_command(msg);
+}
+#endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_subscribe_bluetooth_le_advertisements_request(
     const SubscribeBluetoothLEAdvertisementsRequest &msg) {
@@ -1668,6 +1768,19 @@ void APIServerConnection::on_unsubscribe_bluetooth_le_advertisements_request(
   this->unsubscribe_bluetooth_le_advertisements(msg);
 }
 #endif
+#ifdef USE_BLUETOOTH_PROXY
+void APIServerConnection::on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->bluetooth_scanner_set_mode(msg);
+}
+#endif
 #ifdef USE_VOICE_ASSISTANT
 void APIServerConnection::on_subscribe_voice_assistant_request(const SubscribeVoiceAssistantRequest &msg) {
   if (!this->is_connection_setup()) {

esphome/components/api/api_pb2_service.h

@@ -1,5 +1,5 @@
 // This file was automatically generated with a tool.
-// See scripts/api_protobuf/api_protobuf.py
+// See script/api_protobuf/api_protobuf.py
 #pragma once
 
 #include "api_pb2.h"
@@ -83,6 +83,12 @@ class APIServerConnectionBase : public ProtoService {
 #endif
   virtual void on_subscribe_logs_request(const SubscribeLogsRequest &value){};
   bool send_subscribe_logs_response(const SubscribeLogsResponse &msg);
+#ifdef USE_API_NOISE
+  virtual void on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &value){};
+#endif
+#ifdef USE_API_NOISE
+  bool send_noise_encryption_set_key_response(const NoiseEncryptionSetKeyResponse &msg);
+#endif
   virtual void on_subscribe_homeassistant_services_request(const SubscribeHomeassistantServicesRequest &value){};
   bool send_homeassistant_service_response(const HomeassistantServiceResponse &msg);
   virtual void on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &value){};
@@ -130,6 +136,15 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_SELECT
   virtual void on_select_command_request(const SelectCommandRequest &value){};
 #endif
+#ifdef USE_SIREN
+  bool send_list_entities_siren_response(const ListEntitiesSirenResponse &msg);
+#endif
+#ifdef USE_SIREN
+  bool send_siren_state_response(const SirenStateResponse &msg);
+#endif
+#ifdef USE_SIREN
+  virtual void on_siren_command_request(const SirenCommandRequest &value){};
+#endif
 #ifdef USE_LOCK
   bool send_list_entities_lock_response(const ListEntitiesLockResponse &msg);
 #endif
@@ -228,6 +243,12 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_BLUETOOTH_PROXY
   bool send_bluetooth_device_clear_cache_response(const BluetoothDeviceClearCacheResponse &msg);
 #endif
+#ifdef USE_BLUETOOTH_PROXY
+  bool send_bluetooth_scanner_state_response(const BluetoothScannerStateResponse &msg);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
+  virtual void on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &value){};
+#endif
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_subscribe_voice_assistant_request(const SubscribeVoiceAssistantRequest &value){};
 #endif
@@ -349,17 +370,11 @@ class APIServerConnection : public APIServerConnectionBase {
   virtual void subscribe_home_assistant_states(const SubscribeHomeAssistantStatesRequest &msg) = 0;
   virtual GetTimeResponse get_time(const GetTimeRequest &msg) = 0;
   virtual void execute_service(const ExecuteServiceRequest &msg) = 0;
-#ifdef USE_COVER
-  virtual void cover_command(const CoverCommandRequest &msg) = 0;
+#ifdef USE_API_NOISE
+  virtual NoiseEncryptionSetKeyResponse noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) = 0;
 #endif
-#ifdef USE_FAN
-  virtual void fan_command(const FanCommandRequest &msg) = 0;
-#endif
-#ifdef USE_LIGHT
-  virtual void light_command(const LightCommandRequest &msg) = 0;
-#endif
-#ifdef USE_SWITCH
-  virtual void switch_command(const SwitchCommandRequest &msg) = 0;
+#ifdef USE_BUTTON
+  virtual void button_command(const ButtonCommandRequest &msg) = 0;
 #endif
 #ifdef USE_ESP32_CAMERA
   virtual void camera_image(const CameraImageRequest &msg) = 0;
@@ -367,39 +382,51 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_CLIMATE
   virtual void climate_command(const ClimateCommandRequest &msg) = 0;
 #endif
-#ifdef USE_NUMBER
-  virtual void number_command(const NumberCommandRequest &msg) = 0;
-#endif
-#ifdef USE_TEXT
-  virtual void text_command(const TextCommandRequest &msg) = 0;
-#endif
-#ifdef USE_SELECT
-  virtual void select_command(const SelectCommandRequest &msg) = 0;
-#endif
-#ifdef USE_BUTTON
-  virtual void button_command(const ButtonCommandRequest &msg) = 0;
-#endif
-#ifdef USE_LOCK
-  virtual void lock_command(const LockCommandRequest &msg) = 0;
-#endif
-#ifdef USE_VALVE
-  virtual void valve_command(const ValveCommandRequest &msg) = 0;
-#endif
-#ifdef USE_MEDIA_PLAYER
-  virtual void media_player_command(const MediaPlayerCommandRequest &msg) = 0;
+#ifdef USE_COVER
+  virtual void cover_command(const CoverCommandRequest &msg) = 0;
 #endif
 #ifdef USE_DATETIME_DATE
   virtual void date_command(const DateCommandRequest &msg) = 0;
 #endif
-#ifdef USE_DATETIME_TIME
-  virtual void time_command(const TimeCommandRequest &msg) = 0;
-#endif
 #ifdef USE_DATETIME_DATETIME
   virtual void datetime_command(const DateTimeCommandRequest &msg) = 0;
 #endif
+#ifdef USE_FAN
+  virtual void fan_command(const FanCommandRequest &msg) = 0;
+#endif
+#ifdef USE_LIGHT
+  virtual void light_command(const LightCommandRequest &msg) = 0;
+#endif
+#ifdef USE_LOCK
+  virtual void lock_command(const LockCommandRequest &msg) = 0;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  virtual void media_player_command(const MediaPlayerCommandRequest &msg) = 0;
+#endif
+#ifdef USE_NUMBER
+  virtual void number_command(const NumberCommandRequest &msg) = 0;
+#endif
+#ifdef USE_SELECT
+  virtual void select_command(const SelectCommandRequest &msg) = 0;
+#endif
+#ifdef USE_SIREN
+  virtual void siren_command(const SirenCommandRequest &msg) = 0;
+#endif
+#ifdef USE_SWITCH
+  virtual void switch_command(const SwitchCommandRequest &msg) = 0;
+#endif
+#ifdef USE_TEXT
+  virtual void text_command(const TextCommandRequest &msg) = 0;
+#endif
+#ifdef USE_DATETIME_TIME
+  virtual void time_command(const TimeCommandRequest &msg) = 0;
+#endif
 #ifdef USE_UPDATE
   virtual void update_command(const UpdateCommandRequest &msg) = 0;
 #endif
+#ifdef USE_VALVE
+  virtual void valve_command(const ValveCommandRequest &msg) = 0;
+#endif
 #ifdef USE_BLUETOOTH_PROXY
   virtual void subscribe_bluetooth_le_advertisements(const SubscribeBluetoothLEAdvertisementsRequest &msg) = 0;
 #endif
@@ -431,6 +458,9 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_BLUETOOTH_PROXY
   virtual void unsubscribe_bluetooth_le_advertisements(const UnsubscribeBluetoothLEAdvertisementsRequest &msg) = 0;
 #endif
+#ifdef USE_BLUETOOTH_PROXY
+  virtual void bluetooth_scanner_set_mode(const BluetoothScannerSetModeRequest &msg) = 0;
+#endif
 #ifdef USE_VOICE_ASSISTANT
   virtual void subscribe_voice_assistant(const SubscribeVoiceAssistantRequest &msg) = 0;
 #endif
@@ -457,17 +487,11 @@ class APIServerConnection : public APIServerConnectionBase {
   void on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &msg) override;
   void on_get_time_request(const GetTimeRequest &msg) override;
   void on_execute_service_request(const ExecuteServiceRequest &msg) override;
-#ifdef USE_COVER
-  void on_cover_command_request(const CoverCommandRequest &msg) override;
+#ifdef USE_API_NOISE
+  void on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) override;
 #endif
-#ifdef USE_FAN
-  void on_fan_command_request(const FanCommandRequest &msg) override;
-#endif
-#ifdef USE_LIGHT
-  void on_light_command_request(const LightCommandRequest &msg) override;
-#endif
-#ifdef USE_SWITCH
-  void on_switch_command_request(const SwitchCommandRequest &msg) override;
+#ifdef USE_BUTTON
+  void on_button_command_request(const ButtonCommandRequest &msg) override;
 #endif
 #ifdef USE_ESP32_CAMERA
   void on_camera_image_request(const CameraImageRequest &msg) override;
@@ -475,39 +499,51 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_CLIMATE
   void on_climate_command_request(const ClimateCommandRequest &msg) override;
 #endif
-#ifdef USE_NUMBER
-  void on_number_command_request(const NumberCommandRequest &msg) override;
-#endif
-#ifdef USE_TEXT
-  void on_text_command_request(const TextCommandRequest &msg) override;
-#endif
-#ifdef USE_SELECT
-  void on_select_command_request(const SelectCommandRequest &msg) override;
-#endif
-#ifdef USE_BUTTON
-  void on_button_command_request(const ButtonCommandRequest &msg) override;
-#endif
-#ifdef USE_LOCK
-  void on_lock_command_request(const LockCommandRequest &msg) override;
-#endif
-#ifdef USE_VALVE
-  void on_valve_command_request(const ValveCommandRequest &msg) override;
-#endif
-#ifdef USE_MEDIA_PLAYER
-  void on_media_player_command_request(const MediaPlayerCommandRequest &msg) override;
+#ifdef USE_COVER
+  void on_cover_command_request(const CoverCommandRequest &msg) override;
 #endif
 #ifdef USE_DATETIME_DATE
   void on_date_command_request(const DateCommandRequest &msg) override;
 #endif
-#ifdef USE_DATETIME_TIME
-  void on_time_command_request(const TimeCommandRequest &msg) override;
-#endif
 #ifdef USE_DATETIME_DATETIME
   void on_date_time_command_request(const DateTimeCommandRequest &msg) override;
 #endif
+#ifdef USE_FAN
+  void on_fan_command_request(const FanCommandRequest &msg) override;
+#endif
+#ifdef USE_LIGHT
+  void on_light_command_request(const LightCommandRequest &msg) override;
+#endif
+#ifdef USE_LOCK
+  void on_lock_command_request(const LockCommandRequest &msg) override;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  void on_media_player_command_request(const MediaPlayerCommandRequest &msg) override;
+#endif
+#ifdef USE_NUMBER
+  void on_number_command_request(const NumberCommandRequest &msg) override;
+#endif
+#ifdef USE_SELECT
+  void on_select_command_request(const SelectCommandRequest &msg) override;
+#endif
+#ifdef USE_SIREN
+  void on_siren_command_request(const SirenCommandRequest &msg) override;
+#endif
+#ifdef USE_SWITCH
+  void on_switch_command_request(const SwitchCommandRequest &msg) override;
+#endif
+#ifdef USE_TEXT
+  void on_text_command_request(const TextCommandRequest &msg) override;
+#endif
+#ifdef USE_DATETIME_TIME
+  void on_time_command_request(const TimeCommandRequest &msg) override;
+#endif
 #ifdef USE_UPDATE
   void on_update_command_request(const UpdateCommandRequest &msg) override;
 #endif
+#ifdef USE_VALVE
+  void on_valve_command_request(const ValveCommandRequest &msg) override;
+#endif
 #ifdef USE_BLUETOOTH_PROXY
   void on_subscribe_bluetooth_le_advertisements_request(const SubscribeBluetoothLEAdvertisementsRequest &msg) override;
 #endif
@@ -539,6 +575,9 @@ class APIServerConnection : public APIServerConnectionBase {
   void on_unsubscribe_bluetooth_le_advertisements_request(
       const UnsubscribeBluetoothLEAdvertisementsRequest &msg) override;
 #endif
+#ifdef USE_BLUETOOTH_PROXY
+  void on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &msg) override;
+#endif
 #ifdef USE_VOICE_ASSISTANT
   void on_subscribe_voice_assistant_request(const SubscribeVoiceAssistantRequest &msg) override;
 #endif

esphome/components/api/api_pb2_size.h

@@ -0,0 +1,361 @@
+#pragma once
+
+#include "proto.h"
+#include <cstdint>
+#include <string>
+
+namespace esphome {
+namespace api {
+
+class ProtoSize {
+ public:
+  /**
+   * @brief ProtoSize class for Protocol Buffer serialization size calculation
+   *
+   * This class provides static methods to calculate the exact byte counts needed
+   * for encoding various Protocol Buffer field types. All methods are designed to be
+   * efficient for the common case where many fields have default values.
+   *
+   * Implements Protocol Buffer encoding size calculation according to:
+   * https://protobuf.dev/programming-guides/encoding/
+   *
+   * Key features:
+   * - Early-return optimization for zero/default values
+   * - Direct total_size updates to avoid unnecessary additions
+   * - Specialized handling for different field types according to protobuf spec
+   * - Templated helpers for repeated fields and messages
+   */
+
+  /**
+   * @brief Calculates the size in bytes needed to encode a uint32_t value as a varint
+   *
+   * @param value The uint32_t value to calculate size for
+   * @return The number of bytes needed to encode the value
+   */
+  static inline uint32_t varint(uint32_t value) {
+    // Optimized varint size calculation using leading zeros
+    // Each 7 bits requires one byte in the varint encoding
+    if (value < 128)
+      return 1;  // 7 bits, common case for small values
+
+    // For larger values, count bytes needed based on the position of the highest bit set
+    if (value < 16384) {
+      return 2;  // 14 bits
+    } else if (value < 2097152) {
+      return 3;  // 21 bits
+    } else if (value < 268435456) {
+      return 4;  // 28 bits
+    } else {
+      return 5;  // 32 bits (maximum for uint32_t)
+    }
+  }
+
+  /**
+   * @brief Calculates the size in bytes needed to encode a uint64_t value as a varint
+   *
+   * @param value The uint64_t value to calculate size for
+   * @return The number of bytes needed to encode the value
+   */
+  static inline uint32_t varint(uint64_t value) {
+    // Handle common case of values fitting in uint32_t (vast majority of use cases)
+    if (value <= UINT32_MAX) {
+      return varint(static_cast<uint32_t>(value));
+    }
+
+    // For larger values, determine size based on highest bit position
+    if (value < (1ULL << 35)) {
+      return 5;  // 35 bits
+    } else if (value < (1ULL << 42)) {
+      return 6;  // 42 bits
+    } else if (value < (1ULL << 49)) {
+      return 7;  // 49 bits
+    } else if (value < (1ULL << 56)) {
+      return 8;  // 56 bits
+    } else if (value < (1ULL << 63)) {
+      return 9;  // 63 bits
+    } else {
+      return 10;  // 64 bits (maximum for uint64_t)
+    }
+  }
+
+  /**
+   * @brief Calculates the size in bytes needed to encode an int32_t value as a varint
+   *
+   * Special handling is needed for negative values, which are sign-extended to 64 bits
+   * in Protocol Buffers, resulting in a 10-byte varint.
+   *
+   * @param value The int32_t value to calculate size for
+   * @return The number of bytes needed to encode the value
+   */
+  static inline uint32_t varint(int32_t value) {
+    // Negative values are sign-extended to 64 bits in protocol buffers,
+    // which always results in a 10-byte varint for negative int32
+    if (value < 0) {
+      return 10;  // Negative int32 is always 10 bytes long
+    }
+    // For non-negative values, use the uint32_t implementation
+    return varint(static_cast<uint32_t>(value));
+  }
+
+  /**
+   * @brief Calculates the size in bytes needed to encode an int64_t value as a varint
+   *
+   * @param value The int64_t value to calculate size for
+   * @return The number of bytes needed to encode the value
+   */
+  static inline uint32_t varint(int64_t value) {
+    // For int64_t, we convert to uint64_t and calculate the size
+    // This works because the bit pattern determines the encoding size,
+    // and we've handled negative int32 values as a special case above
+    return varint(static_cast<uint64_t>(value));
+  }
+
+  /**
+   * @brief Calculates the size in bytes needed to encode a field ID and wire type
+   *
+   * @param field_id The field identifier
+   * @param type The wire type value (from the WireType enum in the protobuf spec)
+   * @return The number of bytes needed to encode the field ID and wire type
+   */
+  static inline uint32_t field(uint32_t field_id, uint32_t type) {
+    uint32_t tag = (field_id << 3) | (type & 0b111);
+    return varint(tag);
+  }
+
+  /**
+   * @brief Common parameters for all add_*_field methods
+   *
+   * All add_*_field methods follow these common patterns:
+   *
+   * @param total_size Reference to the total message size to update
+   * @param field_id_size Pre-calculated size of the field ID in bytes
+   * @param value The value to calculate size for (type varies)
+   * @param force Whether to calculate size even if the value is default/zero/empty
+   *
+   * Each method follows this implementation pattern:
+   * 1. Skip calculation if value is default (0, false, empty) and not forced
+   * 2. Calculate the size based on the field's encoding rules
+   * 3. Add the field_id_size + calculated value size to total_size
+   */
+
+  /**
+   * @brief Calculates and adds the size of an int32 field to the total message size
+   */
+  static inline void add_int32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value, bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    if (value < 0) {
+      // Negative values are encoded as 10-byte varints in protobuf
+      total_size += field_id_size + 10;
+    } else {
+      // For non-negative values, use the standard varint size
+      total_size += field_id_size + varint(static_cast<uint32_t>(value));
+    }
+  }
+
+  /**
+   * @brief Calculates and adds the size of a uint32 field to the total message size
+   */
+  static inline void add_uint32_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value,
+                                      bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    total_size += field_id_size + varint(value);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a boolean field to the total message size
+   */
+  static inline void add_bool_field(uint32_t &total_size, uint32_t field_id_size, bool value, bool force = false) {
+    // Skip calculation if value is false and not forced
+    if (!value && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Boolean fields always use 1 byte when true
+    total_size += field_id_size + 1;
+  }
+
+  /**
+   * @brief Calculates and adds the size of a fixed field to the total message size
+   *
+   * Fixed fields always take exactly N bytes (4 for fixed32/float, 8 for fixed64/double).
+   *
+   * @tparam NumBytes The number of bytes for this fixed field (4 or 8)
+   * @param is_nonzero Whether the value is non-zero
+   */
+  template<uint32_t NumBytes>
+  static inline void add_fixed_field(uint32_t &total_size, uint32_t field_id_size, bool is_nonzero,
+                                     bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (!is_nonzero && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Fixed fields always take exactly NumBytes
+    total_size += field_id_size + NumBytes;
+  }
+
+  /**
+   * @brief Calculates and adds the size of an enum field to the total message size
+   *
+   * Enum fields are encoded as uint32 varints.
+   */
+  static inline void add_enum_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value, bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Enums are encoded as uint32
+    total_size += field_id_size + varint(value);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a sint32 field to the total message size
+   *
+   * Sint32 fields use ZigZag encoding, which is more efficient for negative values.
+   */
+  static inline void add_sint32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value, bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // ZigZag encoding for sint32: (n << 1) ^ (n >> 31)
+    uint32_t zigzag = (static_cast<uint32_t>(value) << 1) ^ (static_cast<uint32_t>(value >> 31));
+    total_size += field_id_size + varint(zigzag);
+  }
+
+  /**
+   * @brief Calculates and adds the size of an int64 field to the total message size
+   */
+  static inline void add_int64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value, bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    total_size += field_id_size + varint(value);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a uint64 field to the total message size
+   */
+  static inline void add_uint64_field(uint32_t &total_size, uint32_t field_id_size, uint64_t value,
+                                      bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    total_size += field_id_size + varint(value);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a sint64 field to the total message size
+   *
+   * Sint64 fields use ZigZag encoding, which is more efficient for negative values.
+   */
+  static inline void add_sint64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value, bool force = false) {
+    // Skip calculation if value is zero and not forced
+    if (value == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // ZigZag encoding for sint64: (n << 1) ^ (n >> 63)
+    uint64_t zigzag = (static_cast<uint64_t>(value) << 1) ^ (static_cast<uint64_t>(value >> 63));
+    total_size += field_id_size + varint(zigzag);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a string/bytes field to the total message size
+   */
+  static inline void add_string_field(uint32_t &total_size, uint32_t field_id_size, const std::string &str,
+                                      bool force = false) {
+    // Skip calculation if string is empty and not forced
+    if (str.empty() && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    const uint32_t str_size = static_cast<uint32_t>(str.size());
+    total_size += field_id_size + varint(str_size) + str_size;
+  }
+
+  /**
+   * @brief Calculates and adds the size of a nested message field to the total message size
+   *
+   * This helper function directly updates the total_size reference if the nested size
+   * is greater than zero or force is true.
+   *
+   * @param nested_size The pre-calculated size of the nested message
+   */
+  static inline void add_message_field(uint32_t &total_size, uint32_t field_id_size, uint32_t nested_size,
+                                       bool force = false) {
+    // Skip calculation if nested message is empty and not forced
+    if (nested_size == 0 && !force) {
+      return;  // No need to update total_size
+    }
+
+    // Calculate and directly add to total_size
+    // Field ID + length varint + nested message content
+    total_size += field_id_size + varint(nested_size) + nested_size;
+  }
+
+  /**
+   * @brief Calculates and adds the size of a nested message field to the total message size
+   *
+   * This templated version directly takes a message object, calculates its size internally,
+   * and updates the total_size reference. This eliminates the need for a temporary variable
+   * at the call site.
+   *
+   * @tparam MessageType The type of the nested message (inferred from parameter)
+   * @param message The nested message object
+   */
+  template<typename MessageType>
+  static inline void add_message_object(uint32_t &total_size, uint32_t field_id_size, const MessageType &message,
+                                        bool force = false) {
+    uint32_t nested_size = 0;
+    message.calculate_size(nested_size);
+
+    // Use the base implementation with the calculated nested_size
+    add_message_field(total_size, field_id_size, nested_size, force);
+  }
+
+  /**
+   * @brief Calculates and adds the sizes of all messages in a repeated field to the total message size
+   *
+   * This helper processes a vector of message objects, calculating the size for each message
+   * and adding it to the total size.
+   *
+   * @tparam MessageType The type of the nested messages in the vector
+   * @param messages Vector of message objects
+   */
+  template<typename MessageType>
+  static inline void add_repeated_message(uint32_t &total_size, uint32_t field_id_size,
+                                          const std::vector<MessageType> &messages) {
+    // Skip if the vector is empty
+    if (messages.empty()) {
+      return;
+    }
+
+    // For repeated fields, always use force=true
+    for (const auto &message : messages) {
+      add_message_object(total_size, field_id_size, message, true);
+    }
+  }
+};
+
+}  // namespace api
+}  // namespace esphome

esphome/components/api/api_server.cpp

@@ -22,22 +22,40 @@ namespace api {
 static const char *const TAG = "api";
 
 // APIServer
+APIServer *global_api_server = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
+APIServer::APIServer() { global_api_server = this; }
+
 void APIServer::setup() {
   ESP_LOGCONFIG(TAG, "Setting up Home Assistant API server...");
   this->setup_controller();
-  socket_ = socket::socket_ip(SOCK_STREAM, 0);
-  if (socket_ == nullptr) {
-    ESP_LOGW(TAG, "Could not create socket.");
+
+#ifdef USE_API_NOISE
+  uint32_t hash = 88491486UL;
+
+  this->noise_pref_ = global_preferences->make_preference<SavedNoisePsk>(hash, true);
+
+  SavedNoisePsk noise_pref_saved{};
+  if (this->noise_pref_.load(&noise_pref_saved)) {
+    ESP_LOGD(TAG, "Loaded saved Noise PSK");
+
+    this->set_noise_psk(noise_pref_saved.psk);
+  }
+#endif
+
+  this->socket_ = socket::socket_ip(SOCK_STREAM, 0);
+  if (this->socket_ == nullptr) {
+    ESP_LOGW(TAG, "Could not create socket");
     this->mark_failed();
     return;
   }
   int enable = 1;
-  int err = socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
+  int err = this->socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
   if (err != 0) {
     ESP_LOGW(TAG, "Socket unable to set reuseaddr: errno %d", err);
     // we can still continue
   }
-  err = socket_->setblocking(false);
+  err = this->socket_->setblocking(false);
   if (err != 0) {
     ESP_LOGW(TAG, "Socket unable to set nonblocking mode: errno %d", err);
     this->mark_failed();
@@ -53,14 +71,14 @@ void APIServer::setup() {
     return;
   }
 
-  err = socket_->bind((struct sockaddr *) &server, sl);
+  err = this->socket_->bind((struct sockaddr *) &server, sl);
   if (err != 0) {
     ESP_LOGW(TAG, "Socket unable to bind: errno %d", errno);
     this->mark_failed();
     return;
   }
 
-  err = socket_->listen(4);
+  err = this->socket_->listen(4);
   if (err != 0) {
     ESP_LOGW(TAG, "Socket unable to listen: errno %d", errno);
     this->mark_failed();
@@ -72,7 +90,7 @@ void APIServer::setup() {
     logger::global_logger->add_on_log_callback([this](int level, const char *tag, const char *message) {
       for (auto &c : this->clients_) {
         if (!c->remove_)
-          c->send_log_message(level, tag, message);
+          c->try_send_log_message(level, tag, message);
       }
     });
   }
@@ -86,40 +104,51 @@ void APIServer::setup() {
         [this](const std::shared_ptr<esp32_camera::CameraImage> &image) {
           for (auto &c : this->clients_) {
             if (!c->remove_)
-              c->send_camera_state(image);
+              c->set_camera_state(image);
           }
         });
   }
 #endif
 }
+
 void APIServer::loop() {
   // Accept new clients
   while (true) {
     struct sockaddr_storage source_addr;
     socklen_t addr_len = sizeof(source_addr);
-    auto sock = socket_->accept((struct sockaddr *) &source_addr, &addr_len);
+    auto sock = this->socket_->accept((struct sockaddr *) &source_addr, &addr_len);
     if (!sock)
       break;
     ESP_LOGD(TAG, "Accepted %s", sock->getpeername().c_str());
 
     auto *conn = new APIConnection(std::move(sock), this);
-    clients_.emplace_back(conn);
+    this->clients_.emplace_back(conn);
     conn->start();
   }
 
-  // Partition clients into remove and active
-  auto new_end = std::partition(this->clients_.begin(), this->clients_.end(),
-                                [](const std::unique_ptr<APIConnection> &conn) { return !conn->remove_; });
-  // print disconnection messages
-  for (auto it = new_end; it != this->clients_.end(); ++it) {
-    this->client_disconnected_trigger_->trigger((*it)->client_info_, (*it)->client_peername_);
-    ESP_LOGV(TAG, "Removing connection to %s", (*it)->client_info_.c_str());
-  }
-  // resize vector
-  this->clients_.erase(new_end, this->clients_.end());
+  // Process clients and remove disconnected ones in a single pass
+  if (!this->clients_.empty()) {
+    size_t client_index = 0;
+    while (client_index < this->clients_.size()) {
+      auto &client = this->clients_[client_index];
 
-  for (auto &client : this->clients_) {
-    client->loop();
+      if (client->remove_) {
+        // Handle disconnection
+        this->client_disconnected_trigger_->trigger(client->client_info_, client->client_peername_);
+        ESP_LOGV(TAG, "Removing connection to %s", client->client_info_.c_str());
+
+        // Swap with the last element and pop (avoids expensive vector shifts)
+        if (client_index < this->clients_.size() - 1) {
+          std::swap(this->clients_[client_index], this->clients_.back());
+        }
+        this->clients_.pop_back();
+        // Don't increment client_index since we need to process the swapped element
+      } else {
+        // Process active client
+        client->loop();
+        client_index++;  // Move to next client
+      }
+    }
   }
 
   if (this->reboot_timeout_ != 0) {
@@ -136,16 +165,22 @@ void APIServer::loop() {
     }
   }
 }
+
 void APIServer::dump_config() {
   ESP_LOGCONFIG(TAG, "API Server:");
   ESP_LOGCONFIG(TAG, "  Address: %s:%u", network::get_use_address().c_str(), this->port_);
 #ifdef USE_API_NOISE
-  ESP_LOGCONFIG(TAG, "  Using noise encryption: YES");
+  ESP_LOGCONFIG(TAG, "  Using noise encryption: %s", YESNO(this->noise_ctx_->has_psk()));
+  if (!this->noise_ctx_->has_psk()) {
+    ESP_LOGCONFIG(TAG, "  Supports noise encryption: YES");
+  }
 #else
   ESP_LOGCONFIG(TAG, "  Using noise encryption: NO");
 #endif
 }
+
 bool APIServer::uses_password() const { return !this->password_.empty(); }
+
 bool APIServer::check_password(const std::string &password) const {
   // depend only on input password length
   const char *a = this->password_.c_str();
@@ -174,7 +209,9 @@ bool APIServer::check_password(const std::string &password) const {
 
   return result == 0;
 }
+
 void APIServer::handle_disconnect(APIConnection *conn) {}
+
 #ifdef USE_BINARY_SENSOR
 void APIServer::on_binary_sensor_update(binary_sensor::BinarySensor *obj, bool state) {
   if (obj->is_internal())
@@ -342,57 +379,6 @@ void APIServer::on_update(update::UpdateEntity *obj) {
 }
 #endif
 
-float APIServer::get_setup_priority() const { return setup_priority::AFTER_WIFI; }
-void APIServer::set_port(uint16_t port) { this->port_ = port; }
-APIServer *global_api_server = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
-
-void APIServer::set_password(const std::string &password) { this->password_ = password; }
-void APIServer::send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
-  for (auto &client : this->clients_) {
-    client->send_homeassistant_service_call(call);
-  }
-}
-
-APIServer::APIServer() { global_api_server = this; }
-void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                               std::function<void(std::string)> f) {
-  this->state_subs_.push_back(HomeAssistantStateSubscription{
-      .entity_id = std::move(entity_id),
-      .attribute = std::move(attribute),
-      .callback = std::move(f),
-      .once = false,
-  });
-}
-void APIServer::get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
-                                         std::function<void(std::string)> f) {
-  this->state_subs_.push_back(HomeAssistantStateSubscription{
-      .entity_id = std::move(entity_id),
-      .attribute = std::move(attribute),
-      .callback = std::move(f),
-      .once = true,
-  });
-};
-const std::vector<APIServer::HomeAssistantStateSubscription> &APIServer::get_state_subs() const {
-  return this->state_subs_;
-}
-uint16_t APIServer::get_port() const { return this->port_; }
-void APIServer::set_reboot_timeout(uint32_t reboot_timeout) { this->reboot_timeout_ = reboot_timeout; }
-#ifdef USE_HOMEASSISTANT_TIME
-void APIServer::request_time() {
-  for (auto &client : this->clients_) {
-    if (!client->remove_ && client->is_authenticated())
-      client->send_time_request();
-  }
-}
-#endif
-bool APIServer::is_connected() const { return !this->clients_.empty(); }
-void APIServer::on_shutdown() {
-  for (auto &c : this->clients_) {
-    c->send_disconnect_request(DisconnectRequest());
-  }
-  delay(10);
-}
-
 #ifdef USE_ALARM_CONTROL_PANEL
 void APIServer::on_alarm_control_panel_update(alarm_control_panel::AlarmControlPanel *obj) {
   if (obj->is_internal())
@@ -402,6 +388,96 @@ void APIServer::on_alarm_control_panel_update(alarm_control_panel::AlarmControlP
 }
 #endif
 
+float APIServer::get_setup_priority() const { return setup_priority::AFTER_WIFI; }
+
+void APIServer::set_port(uint16_t port) { this->port_ = port; }
+
+void APIServer::set_password(const std::string &password) { this->password_ = password; }
+
+void APIServer::send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
+  for (auto &client : this->clients_) {
+    client->send_homeassistant_service_call(call);
+  }
+}
+
+void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                               std::function<void(std::string)> f) {
+  this->state_subs_.push_back(HomeAssistantStateSubscription{
+      .entity_id = std::move(entity_id),
+      .attribute = std::move(attribute),
+      .callback = std::move(f),
+      .once = false,
+  });
+}
+
+void APIServer::get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
+                                         std::function<void(std::string)> f) {
+  this->state_subs_.push_back(HomeAssistantStateSubscription{
+      .entity_id = std::move(entity_id),
+      .attribute = std::move(attribute),
+      .callback = std::move(f),
+      .once = true,
+  });
+};
+
+const std::vector<APIServer::HomeAssistantStateSubscription> &APIServer::get_state_subs() const {
+  return this->state_subs_;
+}
+
+uint16_t APIServer::get_port() const { return this->port_; }
+
+void APIServer::set_reboot_timeout(uint32_t reboot_timeout) { this->reboot_timeout_ = reboot_timeout; }
+
+#ifdef USE_API_NOISE
+bool APIServer::save_noise_psk(psk_t psk, bool make_active) {
+  auto &old_psk = this->noise_ctx_->get_psk();
+  if (std::equal(old_psk.begin(), old_psk.end(), psk.begin())) {
+    ESP_LOGW(TAG, "New PSK matches old");
+    return true;
+  }
+
+  SavedNoisePsk new_saved_psk{psk};
+  if (!this->noise_pref_.save(&new_saved_psk)) {
+    ESP_LOGW(TAG, "Failed to save Noise PSK");
+    return false;
+  }
+  // ensure it's written immediately
+  if (!global_preferences->sync()) {
+    ESP_LOGW(TAG, "Failed to sync preferences");
+    return false;
+  }
+  ESP_LOGD(TAG, "Noise PSK saved");
+  if (make_active) {
+    this->set_timeout(100, [this, psk]() {
+      ESP_LOGW(TAG, "Disconnecting all clients to reset connections");
+      this->set_noise_psk(psk);
+      for (auto &c : this->clients_) {
+        c->send_disconnect_request(DisconnectRequest());
+      }
+    });
+  }
+  return true;
+}
+#endif
+
+#ifdef USE_HOMEASSISTANT_TIME
+void APIServer::request_time() {
+  for (auto &client : this->clients_) {
+    if (!client->remove_ && client->is_authenticated())
+      client->send_time_request();
+  }
+}
+#endif
+
+bool APIServer::is_connected() const { return !this->clients_.empty(); }
+
+void APIServer::on_shutdown() {
+  for (auto &c : this->clients_) {
+    c->send_disconnect_request(DisconnectRequest());
+  }
+  delay(10);
+}
+
 }  // namespace api
 }  // namespace esphome
 #endif

esphome/components/api/api_server.h

@@ -19,6 +19,12 @@
 namespace esphome {
 namespace api {
 
+#ifdef USE_API_NOISE
+struct SavedNoisePsk {
+  psk_t psk;
+} PACKED;  // NOLINT
+#endif
+
 class APIServer : public Component, public Controller {
  public:
   APIServer();
@@ -35,6 +41,7 @@ class APIServer : public Component, public Controller {
   void set_reboot_timeout(uint32_t reboot_timeout);
 
 #ifdef USE_API_NOISE
+  bool save_noise_psk(psk_t psk, bool make_active = true);
   void set_noise_psk(psk_t psk) { noise_ctx_->set_psk(psk); }
   std::shared_ptr<APINoiseContext> get_noise_ctx() { return noise_ctx_; }
 #endif  // USE_API_NOISE
@@ -142,6 +149,7 @@ class APIServer : public Component, public Controller {
 
 #ifdef USE_API_NOISE
   std::shared_ptr<APINoiseContext> noise_ctx_ = std::make_shared<APINoiseContext>();
+  ESPPreferenceObject noise_pref_;
 #endif  // USE_API_NOISE
 };
 

esphome/components/api/client.py

@@ -1,12 +1,11 @@
 from __future__ import annotations
 
 import asyncio
-import logging
 from datetime import datetime
-from typing import Any
+import logging
+from typing import TYPE_CHECKING, Any
 
 from aioesphomeapi import APIClient
-from aioesphomeapi.api_pb2 import SubscribeLogsResponse
 from aioesphomeapi.log_runner import async_run
 
 from esphome.const import CONF_KEY, CONF_PASSWORD, CONF_PORT, __version__
@@ -14,6 +13,12 @@ from esphome.core import CORE
 
 from . import CONF_ENCRYPTION
 
+if TYPE_CHECKING:
+    from aioesphomeapi.api_pb2 import (
+        SubscribeLogsResponse,  # pylint: disable=no-name-in-module
+    )
+
+
 _LOGGER = logging.getLogger(__name__)
 
 

esphome/components/api/list_entities.cpp

@@ -10,37 +10,63 @@ namespace api {
 
 #ifdef USE_BINARY_SENSOR
 bool ListEntitiesIterator::on_binary_sensor(binary_sensor::BinarySensor *binary_sensor) {
-  return this->client_->send_binary_sensor_info(binary_sensor);
+  this->client_->send_binary_sensor_info(binary_sensor);
+  return true;
 }
 #endif
 #ifdef USE_COVER
-bool ListEntitiesIterator::on_cover(cover::Cover *cover) { return this->client_->send_cover_info(cover); }
+bool ListEntitiesIterator::on_cover(cover::Cover *cover) {
+  this->client_->send_cover_info(cover);
+  return true;
+}
 #endif
 #ifdef USE_FAN
-bool ListEntitiesIterator::on_fan(fan::Fan *fan) { return this->client_->send_fan_info(fan); }
+bool ListEntitiesIterator::on_fan(fan::Fan *fan) {
+  this->client_->send_fan_info(fan);
+  return true;
+}
 #endif
 #ifdef USE_LIGHT
-bool ListEntitiesIterator::on_light(light::LightState *light) { return this->client_->send_light_info(light); }
+bool ListEntitiesIterator::on_light(light::LightState *light) {
+  this->client_->send_light_info(light);
+  return true;
+}
 #endif
 #ifdef USE_SENSOR
-bool ListEntitiesIterator::on_sensor(sensor::Sensor *sensor) { return this->client_->send_sensor_info(sensor); }
+bool ListEntitiesIterator::on_sensor(sensor::Sensor *sensor) {
+  this->client_->send_sensor_info(sensor);
+  return true;
+}
 #endif
 #ifdef USE_SWITCH
-bool ListEntitiesIterator::on_switch(switch_::Switch *a_switch) { return this->client_->send_switch_info(a_switch); }
+bool ListEntitiesIterator::on_switch(switch_::Switch *a_switch) {
+  this->client_->send_switch_info(a_switch);
+  return true;
+}
 #endif
 #ifdef USE_BUTTON
-bool ListEntitiesIterator::on_button(button::Button *button) { return this->client_->send_button_info(button); }
+bool ListEntitiesIterator::on_button(button::Button *button) {
+  this->client_->send_button_info(button);
+  return true;
+}
 #endif
 #ifdef USE_TEXT_SENSOR
 bool ListEntitiesIterator::on_text_sensor(text_sensor::TextSensor *text_sensor) {
-  return this->client_->send_text_sensor_info(text_sensor);
+  this->client_->send_text_sensor_info(text_sensor);
+  return true;
 }
 #endif
 #ifdef USE_LOCK
-bool ListEntitiesIterator::on_lock(lock::Lock *a_lock) { return this->client_->send_lock_info(a_lock); }
+bool ListEntitiesIterator::on_lock(lock::Lock *a_lock) {
+  this->client_->send_lock_info(a_lock);
+  return true;
+}
 #endif
 #ifdef USE_VALVE
-bool ListEntitiesIterator::on_valve(valve::Valve *valve) { return this->client_->send_valve_info(valve); }
+bool ListEntitiesIterator::on_valve(valve::Valve *valve) {
+  this->client_->send_valve_info(valve);
+  return true;
+}
 #endif
 
 bool ListEntitiesIterator::on_end() { return this->client_->send_list_info_done(); }
@@ -52,55 +78,83 @@ bool ListEntitiesIterator::on_service(UserServiceDescriptor *service) {
 
 #ifdef USE_ESP32_CAMERA
 bool ListEntitiesIterator::on_camera(esp32_camera::ESP32Camera *camera) {
-  return this->client_->send_camera_info(camera);
+  this->client_->send_camera_info(camera);
+  return true;
 }
 #endif
 
 #ifdef USE_CLIMATE
-bool ListEntitiesIterator::on_climate(climate::Climate *climate) { return this->client_->send_climate_info(climate); }
+bool ListEntitiesIterator::on_climate(climate::Climate *climate) {
+  this->client_->send_climate_info(climate);
+  return true;
+}
 #endif
 
 #ifdef USE_NUMBER
-bool ListEntitiesIterator::on_number(number::Number *number) { return this->client_->send_number_info(number); }
+bool ListEntitiesIterator::on_number(number::Number *number) {
+  this->client_->send_number_info(number);
+  return true;
+}
 #endif
 
 #ifdef USE_DATETIME_DATE
-bool ListEntitiesIterator::on_date(datetime::DateEntity *date) { return this->client_->send_date_info(date); }
+bool ListEntitiesIterator::on_date(datetime::DateEntity *date) {
+  this->client_->send_date_info(date);
+  return true;
+}
 #endif
 
 #ifdef USE_DATETIME_TIME
-bool ListEntitiesIterator::on_time(datetime::TimeEntity *time) { return this->client_->send_time_info(time); }
+bool ListEntitiesIterator::on_time(datetime::TimeEntity *time) {
+  this->client_->send_time_info(time);
+  return true;
+}
 #endif
 
 #ifdef USE_DATETIME_DATETIME
 bool ListEntitiesIterator::on_datetime(datetime::DateTimeEntity *datetime) {
-  return this->client_->send_datetime_info(datetime);
+  this->client_->send_datetime_info(datetime);
+  return true;
 }
 #endif
 
 #ifdef USE_TEXT
-bool ListEntitiesIterator::on_text(text::Text *text) { return this->client_->send_text_info(text); }
+bool ListEntitiesIterator::on_text(text::Text *text) {
+  this->client_->send_text_info(text);
+  return true;
+}
 #endif
 
 #ifdef USE_SELECT
-bool ListEntitiesIterator::on_select(select::Select *select) { return this->client_->send_select_info(select); }
+bool ListEntitiesIterator::on_select(select::Select *select) {
+  this->client_->send_select_info(select);
+  return true;
+}
 #endif
 
 #ifdef USE_MEDIA_PLAYER
 bool ListEntitiesIterator::on_media_player(media_player::MediaPlayer *media_player) {
-  return this->client_->send_media_player_info(media_player);
+  this->client_->send_media_player_info(media_player);
+  return true;
 }
 #endif
 #ifdef USE_ALARM_CONTROL_PANEL
 bool ListEntitiesIterator::on_alarm_control_panel(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel) {
-  return this->client_->send_alarm_control_panel_info(a_alarm_control_panel);
+  this->client_->send_alarm_control_panel_info(a_alarm_control_panel);
+  return true;
 }
 #endif
 #ifdef USE_EVENT
-bool ListEntitiesIterator::on_event(event::Event *event) { return this->client_->send_event_info(event); }
+bool ListEntitiesIterator::on_event(event::Event *event) {
+  this->client_->send_event_info(event);
+  return true;
+}
 #endif
 #ifdef USE_UPDATE
-bool ListEntitiesIterator::on_update(update::UpdateEntity *update) { return this->client_->send_update_info(update); }
+bool ListEntitiesIterator::on_update(update::UpdateEntity *update) {
+  this->client_->send_update_info(update);
+  return true;
+}
 #endif
 
 }  // namespace api

esphome/components/api/list_entities.h

@@ -80,6 +80,7 @@ class ListEntitiesIterator : public ComponentIterator {
   bool on_update(update::UpdateEntity *update) override;
 #endif
   bool on_end() override;
+  bool completed() { return this->state_ == IteratorState::NONE; }
 
  protected:
   APIConnection *client_;

esphome/components/api/proto.h

@@ -20,16 +20,26 @@ class ProtoVarInt {
   explicit ProtoVarInt(uint64_t value) : value_(value) {}
 
   static optional<ProtoVarInt> parse(const uint8_t *buffer, uint32_t len, uint32_t *consumed) {
-    if (consumed != nullptr)
-      *consumed = 0;
-
-    if (len == 0)
+    if (len == 0) {
+      if (consumed != nullptr)
+        *consumed = 0;
       return {};
+    }
 
-    uint64_t result = 0;
-    uint8_t bitpos = 0;
+    // Most common case: single-byte varint (values 0-127)
+    if ((buffer[0] & 0x80) == 0) {
+      if (consumed != nullptr)
+        *consumed = 1;
+      return ProtoVarInt(buffer[0]);
+    }
 
-    for (uint32_t i = 0; i < len; i++) {
+    // General case for multi-byte varints
+    // Since we know buffer[0]'s high bit is set, initialize with its value
+    uint64_t result = buffer[0] & 0x7F;
+    uint8_t bitpos = 7;
+
+    // Start from the second byte since we've already processed the first
+    for (uint32_t i = 1; i < len; i++) {
       uint8_t val = buffer[i];
       result |= uint64_t(val & 0x7F) << uint64_t(bitpos);
       bitpos += 7;
@@ -40,7 +50,9 @@ class ProtoVarInt {
       }
     }
 
-    return {};
+    if (consumed != nullptr)
+      *consumed = 0;
+    return {};  // Incomplete or invalid varint
   }
 
   uint32_t as_uint32() const { return this->value_; }
@@ -71,6 +83,34 @@ class ProtoVarInt {
       return static_cast<int64_t>(this->value_ >> 1);
     }
   }
+  /**
+   * Encode the varint value to a pre-allocated buffer without bounds checking.
+   *
+   * @param buffer The pre-allocated buffer to write the encoded varint to
+   * @param len The size of the buffer in bytes
+   *
+   * @note The caller is responsible for ensuring the buffer is large enough
+   *       to hold the encoded value. Use ProtoSize::varint() to calculate
+   *       the exact size needed before calling this method.
+   * @note No bounds checking is performed for performance reasons.
+   */
+  void encode_to_buffer_unchecked(uint8_t *buffer, size_t len) {
+    uint64_t val = this->value_;
+    if (val <= 0x7F) {
+      buffer[0] = val;
+      return;
+    }
+    size_t i = 0;
+    while (val && i < len) {
+      uint8_t temp = val & 0x7F;
+      val >>= 7;
+      if (val) {
+        buffer[i++] = temp | 0x80;
+      } else {
+        buffer[i++] = temp;
+      }
+    }
+  }
   void encode(std::vector<uint8_t> &out) {
     uint64_t val = this->value_;
     if (val <= 0x7F) {
@@ -149,6 +189,18 @@ class ProtoWriteBuffer {
   void write(uint8_t value) { this->buffer_->push_back(value); }
   void encode_varint_raw(ProtoVarInt value) { value.encode(*this->buffer_); }
   void encode_varint_raw(uint32_t value) { this->encode_varint_raw(ProtoVarInt(value)); }
+  /**
+   * Encode a field key (tag/wire type combination).
+   *
+   * @param field_id Field number (tag) in the protobuf message
+   * @param type Wire type value:
+   *   - 0: Varint (int32, int64, uint32, uint64, sint32, sint64, bool, enum)
+   *   - 1: 64-bit (fixed64, sfixed64, double)
+   *   - 2: Length-delimited (string, bytes, embedded messages, packed repeated fields)
+   *   - 5: 32-bit (fixed32, sfixed32, float)
+   *
+   * Following https://protobuf.dev/programming-guides/encoding/#structure
+   */
   void encode_field_raw(uint32_t field_id, uint32_t type) {
     uint32_t val = (field_id << 3) | (type & 0b111);
     this->encode_varint_raw(val);
@@ -157,7 +209,7 @@ class ProtoWriteBuffer {
     if (len == 0 && !force)
       return;
 
-    this->encode_field_raw(field_id, 2);
+    this->encode_field_raw(field_id, 2);  // type 2: Length-delimited string
     this->encode_varint_raw(len);
     auto *data = reinterpret_cast<const uint8_t *>(string);
     this->buffer_->insert(this->buffer_->end(), data, data + len);
@@ -171,26 +223,26 @@ class ProtoWriteBuffer {
   void encode_uint32(uint32_t field_id, uint32_t value, bool force = false) {
     if (value == 0 && !force)
       return;
-    this->encode_field_raw(field_id, 0);
+    this->encode_field_raw(field_id, 0);  // type 0: Varint - uint32
     this->encode_varint_raw(value);
   }
   void encode_uint64(uint32_t field_id, uint64_t value, bool force = false) {
     if (value == 0 && !force)
       return;
-    this->encode_field_raw(field_id, 0);
+    this->encode_field_raw(field_id, 0);  // type 0: Varint - uint64
     this->encode_varint_raw(ProtoVarInt(value));
   }
   void encode_bool(uint32_t field_id, bool value, bool force = false) {
     if (!value && !force)
       return;
-    this->encode_field_raw(field_id, 0);
+    this->encode_field_raw(field_id, 0);  // type 0: Varint - bool
     this->write(0x01);
   }
   void encode_fixed32(uint32_t field_id, uint32_t value, bool force = false) {
     if (value == 0 && !force)
       return;
 
-    this->encode_field_raw(field_id, 5);
+    this->encode_field_raw(field_id, 5);  // type 5: 32-bit fixed32
     this->write((value >> 0) & 0xFF);
     this->write((value >> 8) & 0xFF);
     this->write((value >> 16) & 0xFF);
@@ -200,7 +252,7 @@ class ProtoWriteBuffer {
     if (value == 0 && !force)
       return;
 
-    this->encode_field_raw(field_id, 5);
+    this->encode_field_raw(field_id, 1);  // type 1: 64-bit fixed64
     this->write((value >> 0) & 0xFF);
     this->write((value >> 8) & 0xFF);
     this->write((value >> 16) & 0xFF);
@@ -254,7 +306,7 @@ class ProtoWriteBuffer {
     this->encode_uint64(field_id, uvalue, force);
   }
   template<class C> void encode_message(uint32_t field_id, const C &value, bool force = false) {
-    this->encode_field_raw(field_id, 2);
+    this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message
     size_t begin = this->buffer_->size();
 
     value.encode(*this);
@@ -276,6 +328,7 @@ class ProtoMessage {
   virtual ~ProtoMessage() = default;
   virtual void encode(ProtoWriteBuffer buffer) const = 0;
   void decode(const uint8_t *buffer, size_t length);
+  virtual void calculate_size(uint32_t &total_size) const = 0;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   std::string dump() const;
   virtual void dump_to(std::string &out) const = 0;
@@ -298,13 +351,29 @@ class ProtoService {
   virtual void on_fatal_error() = 0;
   virtual void on_unauthenticated_access() = 0;
   virtual void on_no_setup_connection() = 0;
-  virtual ProtoWriteBuffer create_buffer() = 0;
+  /**
+   * Create a buffer with a reserved size.
+   * @param reserve_size The number of bytes to pre-allocate in the buffer. This is a hint
+   *                     to optimize memory usage and avoid reallocations during encoding.
+   *                     Implementations should aim to allocate at least this size.
+   * @return A ProtoWriteBuffer object with the reserved size.
+   */
+  virtual ProtoWriteBuffer create_buffer(uint32_t reserve_size) = 0;
   virtual bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) = 0;
   virtual bool read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) = 0;
 
+  // Optimized method that pre-allocates buffer based on message size
   template<class C> bool send_message_(const C &msg, uint32_t message_type) {
-    auto buffer = this->create_buffer();
+    uint32_t msg_size = 0;
+    msg.calculate_size(msg_size);
+
+    // Create a pre-sized buffer
+    auto buffer = this->create_buffer(msg_size);
+
+    // Encode message into the buffer
     msg.encode(buffer);
+
+    // Send the buffer
     return this->send_buffer(buffer, message_type);
   }
 };

esphome/components/api/subscribe_state.h

@@ -76,6 +76,8 @@ class InitialStateIterator : public ComponentIterator {
 #ifdef USE_UPDATE
   bool on_update(update::UpdateEntity *update) override;
 #endif
+  bool completed() { return this->state_ == IteratorState::NONE; }
+
  protected:
   APIConnection *client_;
 };

esphome/components/as3935/__init__.py

@@ -1,17 +1,17 @@
+from esphome import pins
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome import pins
 from esphome.const import (
+    CONF_CALIBRATION,
     CONF_CAPACITANCE,
     CONF_DIV_RATIO,
     CONF_INDOOR,
     CONF_IRQ_PIN,
     CONF_LIGHTNING_THRESHOLD,
     CONF_MASK_DISTURBER,
-    CONF_CALIBRATION,
-    CONF_TUNE_ANTENNA,
     CONF_NOISE_LEVEL,
     CONF_SPIKE_REJECTION,
+    CONF_TUNE_ANTENNA,
     CONF_WATCHDOG_THRESHOLD,
 )
 

esphome/components/as3935/binary_sensor.py

@@ -1,6 +1,7 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import binary_sensor
+import esphome.config_validation as cv
+
 from . import AS3935, CONF_AS3935_ID
 
 DEPENDENCIES = ["as3935"]