Merge pull request #9185 from esphome/bump-2025.6.1

2025.6.1

.coveragerc

@@ -1,2 +1,4 @@
 [run]
-omit = esphome/components/*
+omit = 
+    esphome/components/*
+    tests/integration/*

.devcontainer/Dockerfile

@@ -0,0 +1,37 @@
+ARG BUILD_BASE_VERSION=2025.04.0
+
+
+FROM ghcr.io/esphome/docker-base:debian-${BUILD_BASE_VERSION} AS base
+
+RUN git config --system --add safe.directory "*"
+
+RUN apt update \
+    && apt install -y \
+      protobuf-compiler
+
+RUN pip install uv
+
+RUN useradd esphome -m
+
+USER esphome
+ENV VIRTUAL_ENV=/home/esphome/.local/esphome-venv
+RUN uv venv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+# Override this set to true in the docker-base image
+ENV UV_SYSTEM_PYTHON=false
+
+WORKDIR /tmp
+
+COPY requirements.txt ./
+RUN uv pip install -r requirements.txt
+COPY requirements_dev.txt requirements_test.txt ./
+RUN uv pip install -r requirements_dev.txt -r requirements_test.txt
+
+RUN \
+    platformio settings set enable_telemetry No \
+    && platformio settings set check_platformio_interval 1000000
+
+COPY script/platformio_install_deps.py platformio.ini ./
+RUN ./platformio_install_deps.py platformio.ini --libraries --platforms --tools
+
+WORKDIR /workspaces

.devcontainer/devcontainer.json

@@ -1,18 +1,17 @@
 {
   "name": "ESPHome Dev",
-  "image": "ghcr.io/esphome/esphome-lint:dev",
+  "context": "..",
+  "dockerFile": "Dockerfile",
   "postCreateCommand": [
     "script/devcontainer-post-create"
   ],
-  "containerEnv": {
-    "DEVCONTAINER": "1",
-    "PIP_BREAK_SYSTEM_PACKAGES": "1",
-    "PIP_ROOT_USER_ACTION": "ignore"
+  "features": {
+    "ghcr.io/devcontainers/features/github-cli:1": {}
   },
   "runArgs": [
     "--privileged",
     "-e",
-    "ESPHOME_DASHBOARD_USE_PING=1"
+    "GIT_EDITOR=code --wait"
     // uncomment and edit the path in order to pass though local USB serial to the conatiner
     // , "--device=/dev/ttyACM0"
   ],

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

@@ -47,7 +47,7 @@ runs:
 
     - name: Build and push to ghcr by digest
       id: build-ghcr
-      uses: docker/build-push-action@v6.16.0
+      uses: docker/build-push-action@v6.18.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false
@@ -73,7 +73,7 @@ runs:
 
     - name: Build and push to dockerhub by digest
       id: build-dockerhub
-      uses: docker/build-push-action@v6.16.0
+      uses: docker/build-push-action@v6.18.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false

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

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Set up Python
         uses: actions/setup-python@v5.6.0
         with:
@@ -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

@@ -43,11 +43,11 @@ jobs:
           - "docker"
           # - "lint"
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.2
       - name: Set up Python
         uses: actions/setup-python@v5.6.0
         with:
-          python-version: "3.9"
+          python-version: "3.10"
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.10.0
 

.github/workflows/ci.yml

@@ -20,8 +20,8 @@ permissions:
   contents: read
 
 env:
-  DEFAULT_PYTHON: "3.9"
-  PYUPGRADE_TARGET: "--py39-plus"
+  DEFAULT_PYTHON: "3.10"
+  PYUPGRADE_TARGET: "--py310-plus"
 
 concurrency:
   # yamllint disable-line rule:line-length
@@ -36,7 +36,7 @@ jobs:
       cache-key: ${{ steps.cache-key.outputs.key }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Generate cache-key
         id: cache-key
         run: echo key="${{ hashFiles('requirements.txt', 'requirements_test.txt') }}" >> $GITHUB_OUTPUT
@@ -68,7 +68,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -89,7 +89,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -110,7 +110,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -131,7 +131,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -152,7 +152,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -173,10 +173,10 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
+          - "3.13"
         os:
           - ubuntu-latest
           - macOS-latest
@@ -185,24 +185,24 @@ jobs:
           # Minimize CI resource usage
           # by only running the Python version
           # version used for docker images on Windows and macOS
+          - python-version: "3.13"
+            os: windows-latest
           - python-version: "3.12"
             os: windows-latest
           - python-version: "3.10"
             os: windows-latest
-          - python-version: "3.9"
-            os: windows-latest
+          - python-version: "3.13"
+            os: macOS-latest
           - python-version: "3.12"
             os: macOS-latest
           - python-version: "3.10"
             os: macOS-latest
-          - python-version: "3.9"
-            os: macOS-latest
     runs-on: ${{ matrix.os }}
     needs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -214,14 +214,14 @@ jobs:
         if: matrix.os == 'windows-latest'
         run: |
           ./venv/Scripts/activate
-          pytest -vv --cov-report=xml --tb=native tests
+          pytest -vv --cov-report=xml --tb=native -n auto tests
       - name: Run pytest
         if: matrix.os == 'ubuntu-latest' || matrix.os == 'macOS-latest'
         run: |
           . venv/bin/activate
-          pytest -vv --cov-report=xml --tb=native tests
+          pytest -vv --cov-report=xml --tb=native -n auto tests
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5.4.2
+        uses: codecov/codecov-action@v5.4.3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
@@ -232,7 +232,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -292,10 +292,15 @@ 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: false
 
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -331,13 +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()
 
@@ -351,7 +356,7 @@ jobs:
       count: ${{ steps.list-components.outputs.count }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           # Fetch enough history so `git merge-base refs/remotes/origin/dev HEAD` works.
           fetch-depth: 500
@@ -401,7 +406,7 @@ jobs:
           sudo apt-get install libsdl2-dev
 
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -427,7 +432,7 @@ jobs:
       matrix: ${{ steps.split.outputs.components }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Split components into 20 groups
         id: split
         run: |
@@ -457,7 +462,7 @@ jobs:
           sudo apt-get install libsdl2-dev
 
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:

.github/workflows/release.yml

@@ -18,8 +18,9 @@ jobs:
     outputs:
       tag: ${{ steps.tag.outputs.tag }}
       branch_build: ${{ steps.tag.outputs.branch_build }}
+      deploy_env: ${{ steps.tag.outputs.deploy_env }}
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.2
       - name: Get tag
         id: tag
         # yamllint disable rule:line-length
@@ -27,6 +28,11 @@ jobs:
           if [[ "${{ 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:
@@ -51,21 +60,19 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.2
       - name: Set up Python
         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@v1.12.4
+        with:
+          skip-existing: true
 
   deploy-docker:
     name: Build ESPHome ${{ matrix.platform.arch }}
@@ -85,11 +92,11 @@ jobs:
             os: "ubuntu-24.04-arm"
 
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.2
       - name: Set up Python
         uses: actions/setup-python@v5.6.0
         with:
-          python-version: "3.9"
+          python-version: "3.10"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.10.0
@@ -161,7 +168,7 @@ jobs:
           - ghcr
           - dockerhub
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.2
 
       - name: Download digests
         uses: actions/download-artifact@v4.3.0
@@ -231,3 +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/sync-device-classes.yml

@@ -13,10 +13,10 @@ jobs:
     if: github.repository == 'esphome/esphome'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
 
       - name: Checkout Home Assistant
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
         with:
           repository: home-assistant/core
           path: lib/home-assistant
@@ -24,7 +24,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5.6.0
         with:
-          python-version: 3.12
+          python-version: 3.13
 
       - name: Install Home Assistant
         run: |

.github/workflows/yaml-lint.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.2
       - name: Run yamllint
         uses: frenck/action-yamllint@v1.5.0
         with:

.gitignore

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

.pre-commit-config.yaml

@@ -4,7 +4,7 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.11.0
+    rev: v0.11.10
     hooks:
       # Run the linter.
       - id: ruff
@@ -28,12 +28,12 @@ repos:
           - --branch=release
           - --branch=beta
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.15.2
+    rev: v3.20.0
     hooks:
       - id: pyupgrade
-        args: [--py39-plus]
+        args: [--py310-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

CODEOWNERS

@@ -96,6 +96,7 @@ esphome/components/ch422g/* @clydebarrow @jesterret
 esphome/components/chsc6x/* @kkosik20
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
+esphome/components/cm1106/* @andrewjswan
 esphome/components/color_temperature/* @jesserockz
 esphome/components/combination/* @Cat-Ion @kahrendt
 esphome/components/const/* @esphome/core
@@ -138,6 +139,7 @@ esphome/components/es7210/* @kahrendt
 esphome/components/es7243e/* @kbx81
 esphome/components/es8156/* @kbx81
 esphome/components/es8311/* @kahrendt @kroimon
+esphome/components/es8388/* @P4uLT
 esphome/components/esp32/* @esphome/core
 esphome/components/esp32_ble/* @Rapsssito @jesserockz
 esphome/components/esp32_ble_client/* @jesserockz
@@ -148,6 +150,7 @@ esphome/components/esp32_improv/* @jesserockz
 esphome/components/esp32_rmt/* @jesserockz
 esphome/components/esp32_rmt_led_strip/* @jesserockz
 esphome/components/esp8266/* @esphome/core
+esphome/components/esp_ldo/* @clydebarrow
 esphome/components/ethernet_info/* @gtjadsonsantos
 esphome/components/event/* @nohat
 esphome/components/event_emitter/* @Rapsssito
@@ -169,7 +172,7 @@ 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
@@ -233,6 +236,7 @@ esphome/components/kamstrup_kmp/* @cfeenstra1024
 esphome/components/key_collector/* @ssieb
 esphome/components/key_provider/* @ssieb
 esphome/components/kuntze/* @ssieb
+esphome/components/lc709203f/* @ilikecake
 esphome/components/lcd_menu/* @numo68
 esphome/components/ld2410/* @regevbr @sebcaps
 esphome/components/ld2420/* @descipher
@@ -278,10 +282,11 @@ 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
@@ -317,8 +322,10 @@ esphome/components/number/* @esphome/core
 esphome/components/one_wire/* @ssieb
 esphome/components/online_image/* @clydebarrow @guillempages
 esphome/components/opentherm/* @olegtarasov
+esphome/components/openthread/* @mrene
 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
@@ -328,6 +335,7 @@ 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
@@ -396,6 +404,7 @@ 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
@@ -427,6 +436,7 @@ 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
@@ -466,12 +476,15 @@ 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
 esphome/components/ultrasonic/* @OttoWinter
 esphome/components/update/* @jesserockz
 esphome/components/uponor_smatrix/* @kroimon
+esphome/components/usb_host/* @clydebarrow
+esphome/components/usb_uart/* @clydebarrow
 esphome/components/valve/* @esphome/core
 esphome/components/vbus/* @ssieb
 esphome/components/veml3235/* @kbx81

docker/Dockerfile

@@ -11,7 +11,9 @@ FROM base-source-${BUILD_TYPE} AS base
 
 RUN git config --system --add safe.directory "*"
 
-RUN pip install uv==0.6.14
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1
+
+RUN pip install --no-cache-dir -U pip uv==0.6.14
 
 COPY requirements.txt /
 

esphome/__main__.py

@@ -43,7 +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,
@@ -83,7 +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]
 
 
@@ -134,6 +134,7 @@ def get_port_type(port):
 
 
 def run_miniterm(config, port, args):
+    from aioesphomeapi import LogParser
     import serial
 
     from esphome import platformio_api
@@ -158,6 +159,7 @@ def run_miniterm(config, port, args):
         ser.dtr = False
         ser.rts = False
 
+    parser = LogParser()
     tries = 0
     while tries < 5:
         try:
@@ -174,8 +176,7 @@ def run_miniterm(config, port, args):
                         .decode("utf8", "backslashreplace")
                     )
                     time_str = datetime.now().time().strftime("[%H:%M:%S]")
-                    message = time_str + line
-                    safe_print(message)
+                    safe_print(parser.parse_line(line, time_str))
 
                     backtrace_state = platformio_api.process_stacktrace(
                         config, line, backtrace_state=backtrace_state
@@ -593,33 +594,38 @@ def command_update_all(args):
         middle_text = f" {middle_text} "
         width = len(click.unstyle(middle_text))
         half_line = "=" * ((twidth - width) // 2)
-        click.echo(f"{half_line}{middle_text}{half_line}")
+        safe_print(f"{half_line}{middle_text}{half_line}")
 
     for f in files:
-        print(f"Updating {color(Fore.CYAN, f)}")
-        print("-" * twidth)
-        print()
+        safe_print(f"Updating {color(AnsiFore.CYAN, f)}")
+        safe_print("-" * twidth)
+        safe_print()
+        if CORE.dashboard:
             rc = run_external_process(
                 "esphome", "--dashboard", "run", f, "--no-logs", "--device", "OTA"
             )
+        else:
+            rc = run_external_process(
+                "esphome", "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()
+        safe_print()
+        safe_print()
+        safe_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')}")
+            safe_print(f"  - {f}: {color(AnsiFore.GREEN, 'SUCCESS')}")
         else:
-            print(f"  - {f}: {color(Fore.BOLD_RED, 'FAILED')}")
+            safe_print(f"  - {f}: {color(AnsiFore.BOLD_RED, 'FAILED')}")
             failed += 1
     return failed
 
@@ -645,7 +651,7 @@ 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)",
                 )
@@ -658,7 +664,9 @@ 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]
@@ -681,7 +689,7 @@ 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(
@@ -693,7 +701,7 @@ 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()
 
@@ -702,7 +710,7 @@ 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
 
@@ -728,7 +736,7 @@ 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
 

esphome/components/a4988/a4988.cpp

@@ -7,7 +7,7 @@ namespace a4988 {
 static const char *const TAG = "a4988.stepper";
 
 void A4988::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up A4988...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   if (this->sleep_pin_ != nullptr) {
     this->sleep_pin_->setup();
     this->sleep_pin_->digital_write(false);

esphome/components/absolute_humidity/absolute_humidity.cpp

@@ -7,7 +7,7 @@ namespace absolute_humidity {
 static const char *const TAG = "absolute_humidity.sensor";
 
 void AbsoluteHumidityComponent::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up absolute humidity '%s'...", this->get_name().c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->get_name().c_str());
 
   ESP_LOGD(TAG, "  Added callback for temperature '%s'", this->temperature_sensor_->get_name().c_str());
   this->temperature_sensor_->add_on_state_callback([this](float state) { this->temperature_callback_(state); });
@@ -40,9 +40,11 @@ void AbsoluteHumidityComponent::dump_config() {
       break;
   }
 
-  ESP_LOGCONFIG(TAG, "Sources");
-  ESP_LOGCONFIG(TAG, "  Temperature: '%s'", this->temperature_sensor_->get_name().c_str());
-  ESP_LOGCONFIG(TAG, "  Relative Humidity: '%s'", this->humidity_sensor_->get_name().c_str());
+  ESP_LOGCONFIG(TAG,
+                "Sources\n"
+                "  Temperature: '%s'\n"
+                "  Relative Humidity: '%s'",
+                this->temperature_sensor_->get_name().c_str(), this->humidity_sensor_->get_name().c_str());
 }
 
 float AbsoluteHumidityComponent::get_setup_priority() const { return setup_priority::DATA; }

esphome/components/ac_dimmer/ac_dimmer.cpp

@@ -214,8 +214,10 @@ void AcDimmer::dump_config() {
   ESP_LOGCONFIG(TAG, "AcDimmer:");
   LOG_PIN("  Output Pin: ", this->gate_pin_);
   LOG_PIN("  Zero-Cross Pin: ", this->zero_cross_pin_);
-  ESP_LOGCONFIG(TAG, "   Min Power: %.1f%%", this->store_.min_power / 10.0f);
-  ESP_LOGCONFIG(TAG, "   Init with half cycle: %s", YESNO(this->init_with_half_cycle_));
+  ESP_LOGCONFIG(TAG,
+                "   Min Power: %.1f%%\n"
+                "   Init with half cycle: %s",
+                this->store_.min_power / 10.0f, YESNO(this->init_with_half_cycle_));
   if (method_ == DIM_METHOD_LEADING_PULSE) {
     ESP_LOGCONFIG(TAG, "   Method: leading pulse");
   } else if (method_ == DIM_METHOD_LEADING) {

esphome/components/adc/__init__.py

@@ -47,9 +47,10 @@ SAMPLING_MODES = {
 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,
@@ -60,6 +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,
@@ -72,6 +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,
@@ -84,40 +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: {
-        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,
-    },
 }
 
+# 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,
@@ -130,6 +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,
@@ -142,6 +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,
@@ -154,12 +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_esp32.cpp

@@ -22,7 +22,7 @@ static const int ADC_MAX = (1 << SOC_ADC_RTC_MAX_BITWIDTH) - 1;
 static const int ADC_HALF = (1 << SOC_ADC_RTC_MAX_BITWIDTH) >> 1;
 
 void ADCSensor::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ADC '%s'...", this->get_name().c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->get_name().c_str());
 
   if (this->channel1_ != ADC1_CHANNEL_MAX) {
     adc1_config_width(ADC_WIDTH_MAX_SOC_BITS);
@@ -77,8 +77,10 @@ void ADCSensor::dump_config() {
         break;
     }
   }
-  ESP_LOGCONFIG(TAG, "  Samples: %i", this->sample_count_);
-  ESP_LOGCONFIG(TAG, "  Sampling mode: %s", LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
+  ESP_LOGCONFIG(TAG,
+                "  Samples: %i\n"
+                "  Sampling mode: %s",
+                this->sample_count_, LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/adc/adc_sensor_esp8266.cpp

@@ -17,7 +17,7 @@ namespace adc {
 static const char *const TAG = "adc.esp8266";
 
 void ADCSensor::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ADC '%s'...", this->get_name().c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->get_name().c_str());
 #ifndef USE_ADC_SENSOR_VCC
   this->pin_->setup();
 #endif
@@ -30,8 +30,10 @@ void ADCSensor::dump_config() {
 #else
   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_)));
+  ESP_LOGCONFIG(TAG,
+                "  Samples: %i\n"
+                "  Sampling mode: %s",
+                this->sample_count_, LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/adc/adc_sensor_libretiny.cpp

@@ -9,7 +9,7 @@ namespace adc {
 static const char *const TAG = "adc.libretiny";
 
 void ADCSensor::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ADC '%s'...", this->get_name().c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->get_name().c_str());
 #ifndef USE_ADC_SENSOR_VCC
   this->pin_->setup();
 #endif  // !USE_ADC_SENSOR_VCC
@@ -22,8 +22,10 @@ void ADCSensor::dump_config() {
 #else   // USE_ADC_SENSOR_VCC
   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_)));
+  ESP_LOGCONFIG(TAG,
+                "  Samples: %i\n"
+                "  Sampling mode: %s",
+                this->sample_count_, LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/adc/adc_sensor_rp2040.cpp

@@ -14,7 +14,7 @@ namespace adc {
 static const char *const TAG = "adc.rp2040";
 
 void ADCSensor::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ADC '%s'...", this->get_name().c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->get_name().c_str());
   static bool initialized = false;
   if (!initialized) {
     adc_init();
@@ -33,8 +33,10 @@ 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_)));
+  ESP_LOGCONFIG(TAG,
+                "  Samples: %i\n"
+                "  Sampling mode: %s",
+                this->sample_count_, LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/adc128s102/adc128s102.cpp

@@ -9,7 +9,7 @@ static const char *const TAG = "adc128s102";
 float ADC128S102::get_setup_priority() const { return setup_priority::HARDWARE; }
 
 void ADC128S102::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up adc128s102");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->spi_setup();
 }
 

esphome/components/ade7880/ade7880.cpp

@@ -177,11 +177,14 @@ void ADE7880::dump_config() {
     LOG_SENSOR("    ", "Power Factor", this->channel_a_->power_factor);
     LOG_SENSOR("    ", "Forward Active Energy", this->channel_a_->forward_active_energy);
     LOG_SENSOR("    ", "Reverse Active Energy", this->channel_a_->reverse_active_energy);
-    ESP_LOGCONFIG(TAG, "    Calibration:");
-    ESP_LOGCONFIG(TAG, "     Current: %" PRId32, this->channel_a_->current_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Voltage: %" PRId32, this->channel_a_->voltage_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Power: %" PRId32, this->channel_a_->power_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Phase Angle: %u", this->channel_a_->phase_angle_calibration);
+    ESP_LOGCONFIG(TAG,
+                  "    Calibration:\n"
+                  "     Current: %" PRId32 "\n"
+                  "     Voltage: %" PRId32 "\n"
+                  "     Power: %" PRId32 "\n"
+                  "     Phase Angle: %u",
+                  this->channel_a_->current_gain_calibration, this->channel_a_->voltage_gain_calibration,
+                  this->channel_a_->power_gain_calibration, this->channel_a_->phase_angle_calibration);
   }
 
   if (this->channel_b_ != nullptr) {
@@ -193,11 +196,14 @@ void ADE7880::dump_config() {
     LOG_SENSOR("    ", "Power Factor", this->channel_b_->power_factor);
     LOG_SENSOR("    ", "Forward Active Energy", this->channel_b_->forward_active_energy);
     LOG_SENSOR("    ", "Reverse Active Energy", this->channel_b_->reverse_active_energy);
-    ESP_LOGCONFIG(TAG, "    Calibration:");
-    ESP_LOGCONFIG(TAG, "     Current: %" PRId32, this->channel_b_->current_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Voltage: %" PRId32, this->channel_b_->voltage_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Power: %" PRId32, this->channel_b_->power_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Phase Angle: %u", this->channel_b_->phase_angle_calibration);
+    ESP_LOGCONFIG(TAG,
+                  "    Calibration:\n"
+                  "     Current: %" PRId32 "\n"
+                  "     Voltage: %" PRId32 "\n"
+                  "     Power: %" PRId32 "\n"
+                  "     Phase Angle: %u",
+                  this->channel_b_->current_gain_calibration, this->channel_b_->voltage_gain_calibration,
+                  this->channel_b_->power_gain_calibration, this->channel_b_->phase_angle_calibration);
   }
 
   if (this->channel_c_ != nullptr) {
@@ -209,18 +215,23 @@ void ADE7880::dump_config() {
     LOG_SENSOR("    ", "Power Factor", this->channel_c_->power_factor);
     LOG_SENSOR("    ", "Forward Active Energy", this->channel_c_->forward_active_energy);
     LOG_SENSOR("    ", "Reverse Active Energy", this->channel_c_->reverse_active_energy);
-    ESP_LOGCONFIG(TAG, "    Calibration:");
-    ESP_LOGCONFIG(TAG, "     Current: %" PRId32, this->channel_c_->current_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Voltage: %" PRId32, this->channel_c_->voltage_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Power: %" PRId32, this->channel_c_->power_gain_calibration);
-    ESP_LOGCONFIG(TAG, "     Phase Angle: %u", this->channel_c_->phase_angle_calibration);
+    ESP_LOGCONFIG(TAG,
+                  "    Calibration:\n"
+                  "     Current: %" PRId32 "\n"
+                  "     Voltage: %" PRId32 "\n"
+                  "     Power: %" PRId32 "\n"
+                  "     Phase Angle: %u",
+                  this->channel_c_->current_gain_calibration, this->channel_c_->voltage_gain_calibration,
+                  this->channel_c_->power_gain_calibration, this->channel_c_->phase_angle_calibration);
   }
 
   if (this->channel_n_ != nullptr) {
     ESP_LOGCONFIG(TAG, "  Neutral:");
     LOG_SENSOR("    ", "Current", this->channel_n_->current);
-    ESP_LOGCONFIG(TAG, "    Calibration:");
-    ESP_LOGCONFIG(TAG, "     Current: %" PRId32, this->channel_n_->current_gain_calibration);
+    ESP_LOGCONFIG(TAG,
+                  "    Calibration:\n"
+                  "     Current: %" PRId32,
+                  this->channel_n_->current_gain_calibration);
   }
 
   LOG_I2C_DEVICE(this);

esphome/components/ade7953_base/ade7953_base.cpp

@@ -58,15 +58,18 @@ void ADE7953::dump_config() {
   LOG_SENSOR("  ", "Active Power B Sensor", this->active_power_b_sensor_);
   LOG_SENSOR("  ", "Rective Power A Sensor", this->reactive_power_a_sensor_);
   LOG_SENSOR("  ", "Reactive Power B Sensor", this->reactive_power_b_sensor_);
-  ESP_LOGCONFIG(TAG, "  USE_ACC_ENERGY_REGS: %d", this->use_acc_energy_regs_);
-  ESP_LOGCONFIG(TAG, "  PGA_V_8: 0x%X", pga_v_);
-  ESP_LOGCONFIG(TAG, "  PGA_IA_8: 0x%X", pga_ia_);
-  ESP_LOGCONFIG(TAG, "  PGA_IB_8: 0x%X", pga_ib_);
-  ESP_LOGCONFIG(TAG, "  VGAIN_32: 0x%08jX", (uintmax_t) vgain_);
-  ESP_LOGCONFIG(TAG, "  AIGAIN_32: 0x%08jX", (uintmax_t) aigain_);
-  ESP_LOGCONFIG(TAG, "  BIGAIN_32: 0x%08jX", (uintmax_t) bigain_);
-  ESP_LOGCONFIG(TAG, "  AWGAIN_32: 0x%08jX", (uintmax_t) awgain_);
-  ESP_LOGCONFIG(TAG, "  BWGAIN_32: 0x%08jX", (uintmax_t) bwgain_);
+  ESP_LOGCONFIG(TAG,
+                "  USE_ACC_ENERGY_REGS: %d\n"
+                "  PGA_V_8: 0x%X\n"
+                "  PGA_IA_8: 0x%X\n"
+                "  PGA_IB_8: 0x%X\n"
+                "  VGAIN_32: 0x%08jX\n"
+                "  AIGAIN_32: 0x%08jX\n"
+                "  BIGAIN_32: 0x%08jX\n"
+                "  AWGAIN_32: 0x%08jX\n"
+                "  BWGAIN_32: 0x%08jX",
+                this->use_acc_energy_regs_, pga_v_, pga_ia_, pga_ib_, (uintmax_t) vgain_, (uintmax_t) aigain_,
+                (uintmax_t) bigain_, (uintmax_t) awgain_, (uintmax_t) bwgain_);
 }
 
 #define ADE_PUBLISH_(name, val, factor) \

esphome/components/ade7953_i2c/ade7953_i2c.cpp

@@ -1,6 +1,6 @@
 #include "ade7953_i2c.h"
-#include "esphome/core/log.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace ade7953_i2c {

esphome/components/ade7953_spi/ade7953_spi.cpp

@@ -1,6 +1,6 @@
 #include "ade7953_spi.h"
-#include "esphome/core/log.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace ade7953_spi {

esphome/components/ads1115/ads1115.cpp

@@ -10,15 +10,13 @@ static const uint8_t ADS1115_REGISTER_CONVERSION = 0x00;
 static const uint8_t ADS1115_REGISTER_CONFIG = 0x01;
 
 void ADS1115Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ADS1115...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   uint16_t value;
   if (!this->read_byte_16(ADS1115_REGISTER_CONVERSION, &value)) {
     this->mark_failed();
     return;
   }
 
-  ESP_LOGCONFIG(TAG, "Configuring ADS1115...");
-
   uint16_t config = 0;
   // Clear single-shot bit
   //        0b0xxxxxxxxxxxxxxx
@@ -68,10 +66,10 @@ void ADS1115Component::setup() {
   this->prev_config_ = config;
 }
 void ADS1115Component::dump_config() {
-  ESP_LOGCONFIG(TAG, "Setting up ADS1115...");
+  ESP_LOGCONFIG(TAG, "ADS1115:");
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with ADS1115 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
 }
 float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain,

esphome/components/ads1118/ads1118.cpp

@@ -1,4 +1,5 @@
 #include "ads1118.h"
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
 namespace esphome {
@@ -8,7 +9,7 @@ static const char *const TAG = "ads1118";
 static const uint8_t ADS1118_DATA_RATE_860_SPS = 0b111;
 
 void ADS1118::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ads1118");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->spi_setup();
 
   this->config_ = 0;

esphome/components/ags10/ags10.cpp

@@ -1,4 +1,5 @@
 #include "ags10.h"
+#include "esphome/core/helpers.h"
 
 #include <cinttypes>
 
@@ -23,7 +24,7 @@ static const uint16_t ZP_CURRENT = 0x0000;
 static const uint16_t ZP_DEFAULT = 0xFFFF;
 
 void AGS10Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ags10...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   auto version = this->read_version_();
   if (version) {
@@ -65,7 +66,7 @@ void AGS10Component::dump_config() {
     case NONE:
       break;
     case COMMUNICATION_FAILED:
-      ESP_LOGE(TAG, "Communication with AGS10 failed!");
+      ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
       break;
     case CRC_CHECK_FAILED:
       ESP_LOGE(TAG, "The crc check failed");

esphome/components/aht10/aht10.cpp

@@ -13,8 +13,9 @@
 // results making successive requests; the current implementation makes 3 attempts with a delay of 30ms each time.
 
 #include "aht10.h"
-#include "esphome/core/log.h"
 #include "esphome/core/hal.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace aht10 {
@@ -34,57 +35,59 @@ static const uint8_t AHT10_INIT_ATTEMPTS = 10;
 
 static const uint8_t AHT10_STATUS_BUSY = 0x80;
 
+static const float AHT10_DIVISOR = 1048576.0f;  // 2^20, used for temperature and humidity calculations
+
 void AHT10Component::setup() {
+  ESP_LOGCONFIG(TAG, "Running setup");
+
   if (this->write(AHT10_SOFTRESET_CMD, sizeof(AHT10_SOFTRESET_CMD)) != i2c::ERROR_OK) {
-    ESP_LOGE(TAG, "Reset AHT10 failed!");
+    ESP_LOGE(TAG, "Reset failed");
   }
   delay(AHT10_SOFTRESET_DELAY);
 
   i2c::ErrorCode error_code = i2c::ERROR_INVALID_ARGUMENT;
   switch (this->variant_) {
     case AHT10Variant::AHT20:
-      ESP_LOGCONFIG(TAG, "Setting up AHT20");
       error_code = this->write(AHT20_INITIALIZE_CMD, sizeof(AHT20_INITIALIZE_CMD));
       break;
     case AHT10Variant::AHT10:
-      ESP_LOGCONFIG(TAG, "Setting up AHT10");
       error_code = this->write(AHT10_INITIALIZE_CMD, sizeof(AHT10_INITIALIZE_CMD));
       break;
   }
   if (error_code != i2c::ERROR_OK) {
-    ESP_LOGE(TAG, "Communication with AHT10 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
     this->mark_failed();
     return;
   }
+  uint8_t cal_attempts = 0;
   uint8_t data = AHT10_STATUS_BUSY;
-  int cal_attempts = 0;
   while (data & AHT10_STATUS_BUSY) {
     delay(AHT10_DEFAULT_DELAY);
     if (this->read(&data, 1) != i2c::ERROR_OK) {
-      ESP_LOGE(TAG, "Communication with AHT10 failed!");
+      ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
       this->mark_failed();
       return;
     }
     ++cal_attempts;
     if (cal_attempts > AHT10_INIT_ATTEMPTS) {
-      ESP_LOGE(TAG, "AHT10 initialization timed out!");
+      ESP_LOGE(TAG, "Initialization timed out");
       this->mark_failed();
       return;
     }
   }
   if ((data & 0x68) != 0x08) {  // Bit[6:5] = 0b00, NORMAL mode and Bit[3] = 0b1, CALIBRATED
-    ESP_LOGE(TAG, "AHT10 initialization failed!");
+    ESP_LOGE(TAG, "Initialization failed");
     this->mark_failed();
     return;
   }
 
-  ESP_LOGV(TAG, "AHT10 initialization");
+  ESP_LOGV(TAG, "Initialization complete");
 }
 
 void AHT10Component::restart_read_() {
   if (this->read_count_ == AHT10_ATTEMPTS) {
     this->read_count_ = 0;
-    this->status_set_error("Measurements reading timed-out!");
+    this->status_set_error("Reading timed out");
     return;
   }
   this->read_count_++;
@@ -97,24 +100,24 @@ void AHT10Component::read_data_() {
     ESP_LOGD(TAG, "Read attempt %d at %ums", this->read_count_, (unsigned) (millis() - this->start_time_));
   }
   if (this->read(data, 6) != i2c::ERROR_OK) {
-    this->status_set_warning("AHT10 read failed, retrying soon");
+    this->status_set_warning("Read failed, will retry");
     this->restart_read_();
     return;
   }
 
   if ((data[0] & 0x80) == 0x80) {  // Bit[7] = 0b1, device is busy
-    ESP_LOGD(TAG, "AHT10 is busy, waiting...");
+    ESP_LOGD(TAG, "Device busy, will retry");
     this->restart_read_();
     return;
   }
   if (data[1] == 0x0 && data[2] == 0x0 && (data[3] >> 4) == 0x0) {
-    // Unrealistic humidity (0x0)
+    // Invalid humidity (0x0)
     if (this->humidity_sensor_ == nullptr) {
-      ESP_LOGV(TAG, "ATH10 Unrealistic humidity (0x0), but humidity is not required");
+      ESP_LOGV(TAG, "Invalid humidity (reading not required)");
     } else {
-      ESP_LOGD(TAG, "ATH10 Unrealistic humidity (0x0), retrying...");
+      ESP_LOGD(TAG, "Invalid humidity, retrying");
       if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
-        this->status_set_warning("Communication with AHT10 failed!");
+        this->status_set_warning(ESP_LOG_MSG_COMM_FAIL);
       }
       this->restart_read_();
       return;
@@ -123,22 +126,17 @@ void AHT10Component::read_data_() {
   if (this->read_count_ > 1) {
     ESP_LOGD(TAG, "Success at %ums", (unsigned) (millis() - this->start_time_));
   }
-  uint32_t raw_temperature = ((data[3] & 0x0F) << 16) | (data[4] << 8) | data[5];
-  uint32_t raw_humidity = ((data[1] << 16) | (data[2] << 8) | data[3]) >> 4;
+  uint32_t raw_temperature = encode_uint24(data[3] & 0xF, data[4], data[5]);
+  uint32_t raw_humidity = encode_uint24(data[1], data[2], data[3]) >> 4;
 
   if (this->temperature_sensor_ != nullptr) {
-    float temperature = ((200.0f * (float) raw_temperature) / 1048576.0f) - 50.0f;
+    float temperature = ((200.0f * static_cast<float>(raw_temperature)) / AHT10_DIVISOR) - 50.0f;
     this->temperature_sensor_->publish_state(temperature);
   }
   if (this->humidity_sensor_ != nullptr) {
-    float humidity;
-    if (raw_humidity == 0) {  // unrealistic value
-      humidity = NAN;
-    } else {
-      humidity = (float) raw_humidity * 100.0f / 1048576.0f;
-    }
+    float humidity = raw_humidity == 0 ? NAN : static_cast<float>(raw_humidity) * 100.0f / AHT10_DIVISOR;
     if (std::isnan(humidity)) {
-      ESP_LOGW(TAG, "Invalid humidity! Sensor reported 0%% Hum");
+      ESP_LOGW(TAG, "Invalid humidity reading (0%%), ");
     }
     this->humidity_sensor_->publish_state(humidity);
   }
@@ -150,7 +148,7 @@ void AHT10Component::update() {
     return;
   this->start_time_ = millis();
   if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
-    this->status_set_warning("Communication with AHT10 failed!");
+    this->status_set_warning(ESP_LOG_MSG_COMM_FAIL);
     return;
   }
   this->restart_read_();
@@ -162,7 +160,7 @@ void AHT10Component::dump_config() {
   ESP_LOGCONFIG(TAG, "AHT10:");
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AHT10 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
   LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);

esphome/components/aic3204/aic3204.cpp

@@ -17,7 +17,7 @@ static const char *const TAG = "aic3204";
   }
 
 void AIC3204::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AIC3204...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   // Set register page to 0
   ERROR_CHECK(this->write_byte(AIC3204_PAGE_CTRL, 0x00), "Set page 0 failed");
@@ -113,7 +113,7 @@ void AIC3204::dump_config() {
   LOG_I2C_DEVICE(this);
 
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AIC3204 failed");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
 }
 

esphome/components/airthings_wave_base/__init__.py

@@ -34,7 +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/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),
@@ -206,9 +235,16 @@ async def register_alarm_control_panel(var, config):
     if not CORE.has_id(config[CONF_ID]):
         var = cg.Pvariable(config[CONF_ID], var)
     cg.add(cg.App.register_alarm_control_panel(var))
+    CORE.register_platform_component("alarm_control_panel", var)
     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/am2315c/am2315c.cpp

@@ -90,7 +90,7 @@ bool AM2315C::convert_(uint8_t *data, float &humidity, float &temperature) {
 }
 
 void AM2315C::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AM2315C...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   // get status
   uint8_t status = 0;
@@ -188,7 +188,7 @@ void AM2315C::dump_config() {
   ESP_LOGCONFIG(TAG, "AM2315C:");
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AM2315C failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
   LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);

esphome/components/am2320/am2320.cpp

@@ -34,7 +34,7 @@ void AM2320Component::update() {
   this->status_clear_warning();
 }
 void AM2320Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AM2320...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   uint8_t data[8];
   data[0] = 0;
   data[1] = 4;
@@ -47,7 +47,7 @@ void AM2320Component::dump_config() {
   ESP_LOGD(TAG, "AM2320:");
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AM2320 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
   LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);

esphome/components/am43/am43_base.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "esphome/core/log.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace am43 {

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.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/cover/am43_cover.cpp

@@ -12,8 +12,10 @@ using namespace esphome::cover;
 
 void Am43Component::dump_config() {
   LOG_COVER("", "AM43 Cover", this);
-  ESP_LOGCONFIG(TAG, "  Device Pin: %d", this->pin_);
-  ESP_LOGCONFIG(TAG, "  Invert Position: %d", (int) this->invert_position_);
+  ESP_LOGCONFIG(TAG,
+                "  Device Pin: %d\n"
+                "  Invert Position: %d",
+                this->pin_, (int) this->invert_position_);
 }
 
 void Am43Component::setup() {

esphome/components/analog_threshold/analog_threshold_binary_sensor.cpp

@@ -34,8 +34,10 @@ 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_.value());
-  ESP_LOGCONFIG(TAG, "  Lower threshold: %.11f", this->lower_threshold_.value());
+  ESP_LOGCONFIG(TAG,
+                "  Upper threshold: %.11f\n"
+                "  Lower threshold: %.11f",
+                this->upper_threshold_.value(), this->lower_threshold_.value());
 }
 
 }  // namespace analog_threshold

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.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/apds9306.cpp

@@ -54,7 +54,7 @@ enum {  // APDS9306 registers
   }
 
 void APDS9306::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up APDS9306...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   uint8_t id;
   if (!this->read_byte(APDS9306_PART_ID, &id)) {  // Part ID register
@@ -97,7 +97,7 @@ void APDS9306::dump_config() {
   if (this->is_failed()) {
     switch (this->error_code_) {
       case COMMUNICATION_FAILED:
-        ESP_LOGE(TAG, "Communication with APDS9306 failed!");
+        ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
         break;
       case WRONG_ID:
         ESP_LOGE(TAG, "APDS9306 has invalid id!");
@@ -108,9 +108,12 @@ void APDS9306::dump_config() {
     }
   }
 
-  ESP_LOGCONFIG(TAG, "  Gain: %u", AMBIENT_LIGHT_GAIN_VALUES[this->gain_]);
-  ESP_LOGCONFIG(TAG, "  Measurement rate: %u", MEASUREMENT_RATE_VALUES[this->measurement_rate_]);
-  ESP_LOGCONFIG(TAG, "  Measurement Resolution/Bit width: %d", MEASUREMENT_BIT_WIDTH_VALUES[this->bit_width_]);
+  ESP_LOGCONFIG(TAG,
+                "  Gain: %u\n"
+                "  Measurement rate: %u\n"
+                "  Measurement Resolution/Bit width: %d",
+                AMBIENT_LIGHT_GAIN_VALUES[this->gain_], MEASUREMENT_RATE_VALUES[this->measurement_rate_],
+                MEASUREMENT_BIT_WIDTH_VALUES[this->bit_width_]);
 
   LOG_UPDATE_INTERVAL(this);
 }

esphome/components/apds9960/apds9960.cpp

@@ -15,7 +15,7 @@ static const char *const TAG = "apds9960";
 #define APDS9960_WRITE_BYTE(reg, value) APDS9960_ERROR_CHECK(this->write_byte(reg, value));
 
 void APDS9960::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up APDS9960...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   uint8_t id;
   if (!this->read_byte(0x92, &id)) {  // ID register
     this->error_code_ = COMMUNICATION_FAILED;
@@ -141,7 +141,7 @@ void APDS9960::dump_config() {
   if (this->is_failed()) {
     switch (this->error_code_) {
       case COMMUNICATION_FAILED:
-        ESP_LOGE(TAG, "Communication with APDS9960 failed!");
+        ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
         break;
       case WRONG_ID:
         ESP_LOGE(TAG, "APDS9960 has invalid id!");

esphome/components/api/__init__.py

@@ -49,6 +49,7 @@ SERVICE_ARG_NATIVE_TYPES = {
     "string[]": cg.std_vector.template(cg.std_string),
 }
 CONF_ENCRYPTION = "encryption"
+CONF_BATCH_DELAY = "batch_delay"
 
 
 def validate_encryption_key(value):
@@ -109,6 +110,9 @@ CONFIG_SCHEMA = cv.All(
             ): ACTIONS_SCHEMA,
             cv.Exclusive(CONF_ACTIONS, group_of_exclusion=CONF_ACTIONS): ACTIONS_SCHEMA,
             cv.Optional(CONF_ENCRYPTION): _encryption_schema,
+            cv.Optional(
+                CONF_BATCH_DELAY, default="100ms"
+            ): cv.positive_time_period_milliseconds,
             cv.Optional(CONF_ON_CLIENT_CONNECTED): automation.validate_automation(
                 single=True
             ),
@@ -129,6 +133,7 @@ async def to_code(config):
     cg.add(var.set_port(config[CONF_PORT]))
     cg.add(var.set_password(config[CONF_PASSWORD]))
     cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
+    cg.add(var.set_batch_delay(config[CONF_BATCH_DELAY]))
 
     for conf in config.get(CONF_ACTIONS, []):
         template_args = []

esphome/components/api/api.proto

@@ -33,23 +33,24 @@ service APIConnection {
   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) {}
@@ -61,6 +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) {}
@@ -264,6 +266,7 @@ enum EntityCategory {
 // ==================== BINARY SENSOR ====================
 message ListEntitiesBinarySensorResponse {
   option (id) = 12;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BINARY_SENSOR";
 
@@ -280,6 +283,7 @@ message ListEntitiesBinarySensorResponse {
 }
 message BinarySensorStateResponse {
   option (id) = 21;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BINARY_SENSOR";
   option (no_delay) = true;
@@ -294,6 +298,7 @@ message BinarySensorStateResponse {
 // ==================== COVER ====================
 message ListEntitiesCoverResponse {
   option (id) = 13;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_COVER";
 
@@ -323,6 +328,7 @@ enum CoverOperation {
 }
 message CoverStateResponse {
   option (id) = 22;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_COVER";
   option (no_delay) = true;
@@ -365,6 +371,7 @@ message CoverCommandRequest {
 // ==================== FAN ====================
 message ListEntitiesFanResponse {
   option (id) = 14;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_FAN";
 
@@ -393,6 +400,7 @@ enum FanDirection {
 }
 message FanStateResponse {
   option (id) = 23;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_FAN";
   option (no_delay) = true;
@@ -430,7 +438,8 @@ message FanCommandRequest {
 enum ColorMode {
   COLOR_MODE_UNKNOWN = 0;
   COLOR_MODE_ON_OFF = 1;
-  COLOR_MODE_BRIGHTNESS = 2;
+  COLOR_MODE_LEGACY_BRIGHTNESS = 2;
+  COLOR_MODE_BRIGHTNESS = 3;
   COLOR_MODE_WHITE = 7;
   COLOR_MODE_COLOR_TEMPERATURE = 11;
   COLOR_MODE_COLD_WARM_WHITE = 19;
@@ -441,6 +450,7 @@ enum ColorMode {
 }
 message ListEntitiesLightResponse {
   option (id) = 15;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LIGHT";
 
@@ -464,6 +474,7 @@ message ListEntitiesLightResponse {
 }
 message LightStateResponse {
   option (id) = 24;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LIGHT";
   option (no_delay) = true;
@@ -533,6 +544,7 @@ enum SensorLastResetType {
 
 message ListEntitiesSensorResponse {
   option (id) = 16;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SENSOR";
 
@@ -554,6 +566,7 @@ message ListEntitiesSensorResponse {
 }
 message SensorStateResponse {
   option (id) = 25;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SENSOR";
   option (no_delay) = true;
@@ -568,6 +581,7 @@ message SensorStateResponse {
 // ==================== SWITCH ====================
 message ListEntitiesSwitchResponse {
   option (id) = 17;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SWITCH";
 
@@ -584,6 +598,7 @@ message ListEntitiesSwitchResponse {
 }
 message SwitchStateResponse {
   option (id) = 26;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SWITCH";
   option (no_delay) = true;
@@ -604,6 +619,7 @@ message SwitchCommandRequest {
 // ==================== TEXT SENSOR ====================
 message ListEntitiesTextSensorResponse {
   option (id) = 18;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT_SENSOR";
 
@@ -619,6 +635,7 @@ message ListEntitiesTextSensorResponse {
 }
 message TextSensorStateResponse {
   option (id) = 27;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT_SENSOR";
   option (no_delay) = true;
@@ -654,7 +671,7 @@ message SubscribeLogsResponse {
   option (no_delay) = false;
 
   LogLevel level = 1;
-  string message = 3;
+  bytes message = 3;
   bool send_failed = 4;
 }
 
@@ -786,6 +803,7 @@ message ExecuteServiceRequest {
 // ==================== CAMERA ====================
 message ListEntitiesCameraResponse {
   option (id) = 43;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ESP32_CAMERA";
 
@@ -866,6 +884,7 @@ enum ClimatePreset {
 }
 message ListEntitiesClimateResponse {
   option (id) = 46;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_CLIMATE";
 
@@ -900,6 +919,7 @@ message ListEntitiesClimateResponse {
 }
 message ClimateStateResponse {
   option (id) = 47;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_CLIMATE";
   option (no_delay) = true;
@@ -910,6 +930,7 @@ 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;
@@ -935,6 +956,7 @@ 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;
@@ -959,6 +981,7 @@ enum NumberMode {
 }
 message ListEntitiesNumberResponse {
   option (id) = 49;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_NUMBER";
 
@@ -979,6 +1002,7 @@ message ListEntitiesNumberResponse {
 }
 message NumberStateResponse {
   option (id) = 50;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_NUMBER";
   option (no_delay) = true;
@@ -1002,6 +1026,7 @@ message NumberCommandRequest {
 // ==================== SELECT ====================
 message ListEntitiesSelectResponse {
   option (id) = 52;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SELECT";
 
@@ -1017,6 +1042,7 @@ message ListEntitiesSelectResponse {
 }
 message SelectStateResponse {
   option (id) = 53;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SELECT";
   option (no_delay) = true;
@@ -1037,6 +1063,51 @@ message SelectCommandRequest {
   string state = 2;
 }
 
+// ==================== SIREN ====================
+message ListEntitiesSirenResponse {
+  option (id) = 55;
+  option (base_class) = "InfoResponseProtoMessage";
+  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 (base_class) = "StateResponseProtoMessage";
+  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 {
@@ -1054,6 +1125,7 @@ enum LockCommand  {
 }
 message ListEntitiesLockResponse {
   option (id) = 58;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LOCK";
 
@@ -1075,6 +1147,7 @@ message ListEntitiesLockResponse {
 }
 message LockStateResponse {
   option (id) = 59;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LOCK";
   option (no_delay) = true;
@@ -1097,6 +1170,7 @@ message LockCommandRequest {
 // ==================== BUTTON ====================
 message ListEntitiesButtonResponse {
   option (id) = 61;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BUTTON";
 
@@ -1148,6 +1222,7 @@ message MediaPlayerSupportedFormat {
 }
 message ListEntitiesMediaPlayerResponse {
   option (id) = 63;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_MEDIA_PLAYER";
 
@@ -1166,6 +1241,7 @@ message ListEntitiesMediaPlayerResponse {
 }
 message MediaPlayerStateResponse {
   option (id) = 64;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_MEDIA_PLAYER";
   option (no_delay) = true;
@@ -1206,8 +1282,8 @@ 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;
@@ -1216,7 +1292,7 @@ message BluetoothLEAdvertisementResponse {
   option (no_delay) = true;
 
   uint64 address = 1;
-  string name = 2;
+  bytes name = 2;
   sint32 rssi = 3;
 
   repeated string service_uuids = 4;
@@ -1472,7 +1548,38 @@ 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;
@@ -1536,6 +1643,7 @@ enum VoiceAssistantEvent {
   VOICE_ASSISTANT_STT_VAD_END = 12;
   VOICE_ASSISTANT_TTS_STREAM_START = 98;
   VOICE_ASSISTANT_TTS_STREAM_END = 99;
+  VOICE_ASSISTANT_INTENT_PROGRESS = 100;
 }
 
 message VoiceAssistantEventData {
@@ -1656,6 +1764,7 @@ enum AlarmControlPanelStateCommand {
 
 message ListEntitiesAlarmControlPanelResponse {
   option (id) = 94;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ALARM_CONTROL_PANEL";
 
@@ -1673,6 +1782,7 @@ message ListEntitiesAlarmControlPanelResponse {
 
 message AlarmControlPanelStateResponse {
   option (id) = 95;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ALARM_CONTROL_PANEL";
   option (no_delay) = true;
@@ -1697,6 +1807,7 @@ enum TextMode {
 }
 message ListEntitiesTextResponse {
   option (id) = 97;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT";
 
@@ -1715,6 +1826,7 @@ message ListEntitiesTextResponse {
 }
 message TextStateResponse {
   option (id) = 98;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT";
   option (no_delay) = true;
@@ -1739,6 +1851,7 @@ message TextCommandRequest {
 // ==================== DATETIME DATE ====================
 message ListEntitiesDateResponse {
   option (id) = 100;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATE";
 
@@ -1753,6 +1866,7 @@ message ListEntitiesDateResponse {
 }
 message DateStateResponse {
   option (id) = 101;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATE";
   option (no_delay) = true;
@@ -1780,6 +1894,7 @@ message DateCommandRequest {
 // ==================== DATETIME TIME ====================
 message ListEntitiesTimeResponse {
   option (id) = 103;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_TIME";
 
@@ -1794,6 +1909,7 @@ message ListEntitiesTimeResponse {
 }
 message TimeStateResponse {
   option (id) = 104;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_TIME";
   option (no_delay) = true;
@@ -1821,6 +1937,7 @@ message TimeCommandRequest {
 // ==================== EVENT ====================
 message ListEntitiesEventResponse {
   option (id) = 107;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_EVENT";
 
@@ -1838,6 +1955,7 @@ message ListEntitiesEventResponse {
 }
 message EventResponse {
   option (id) = 108;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_EVENT";
 
@@ -1848,6 +1966,7 @@ message EventResponse {
 // ==================== VALVE ====================
 message ListEntitiesValveResponse {
   option (id) = 109;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_VALVE";
 
@@ -1873,6 +1992,7 @@ enum ValveOperation {
 }
 message ValveStateResponse {
   option (id) = 110;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_VALVE";
   option (no_delay) = true;
@@ -1897,6 +2017,7 @@ message ValveCommandRequest {
 // ==================== DATETIME DATETIME ====================
 message ListEntitiesDateTimeResponse {
   option (id) = 112;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATETIME";
 
@@ -1911,6 +2032,7 @@ message ListEntitiesDateTimeResponse {
 }
 message DateTimeStateResponse {
   option (id) = 113;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATETIME";
   option (no_delay) = true;
@@ -1934,6 +2056,7 @@ message DateTimeCommandRequest {
 // ==================== UPDATE ====================
 message ListEntitiesUpdateResponse {
   option (id) = 116;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_UPDATE";
 
@@ -1949,6 +2072,7 @@ message ListEntitiesUpdateResponse {
 }
 message UpdateStateResponse {
   option (id) = 117;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_UPDATE";
   option (no_delay) = true;

esphome/components/api/api_connection.h

@@ -8,54 +8,20 @@
 #include "api_server.h"
 #include "esphome/core/application.h"
 #include "esphome/core/component.h"
+#include "esphome/core/entity_base.h"
 
 #include <vector>
+#include <functional>
 
 namespace esphome {
 namespace api {
 
-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);
-};
+// Keepalive timeout in milliseconds
+static constexpr uint32_t KEEPALIVE_TIMEOUT_MS = 60000;
 
 class APIConnection : public APIServerConnection {
  public:
+  friend class APIServer;
   APIConnection(std::unique_ptr<socket::Socket> socket, APIServer *parent);
   virtual ~APIConnection();
 
@@ -63,149 +29,105 @@ class APIConnection : public APIServerConnection {
   void loop();
 
   bool send_list_info_done() {
-    ListEntitiesDoneResponse resp;
-    return this->send_list_entities_done_response(resp);
+    return this->schedule_message_(nullptr, &APIConnection::try_send_list_info_done,
+                                   ListEntitiesDoneResponse::MESSAGE_TYPE);
   }
 #ifdef USE_BINARY_SENSOR
-  bool send_binary_sensor_state(binary_sensor::BinarySensor *binary_sensor, bool state);
+  bool send_binary_sensor_state(binary_sensor::BinarySensor *binary_sensor);
   void send_binary_sensor_info(binary_sensor::BinarySensor *binary_sensor);
-  static bool try_send_binary_sensor_state(APIConnection *api, void *v_binary_sensor);
-  static bool try_send_binary_sensor_state(APIConnection *api, binary_sensor::BinarySensor *binary_sensor, bool state);
-  static bool try_send_binary_sensor_info(APIConnection *api, void *v_binary_sensor);
 #endif
 #ifdef USE_COVER
   bool send_cover_state(cover::Cover *cover);
   void send_cover_info(cover::Cover *cover);
-  static bool try_send_cover_state(APIConnection *api, void *v_cover);
-  static bool try_send_cover_info(APIConnection *api, void *v_cover);
   void cover_command(const CoverCommandRequest &msg) override;
 #endif
 #ifdef USE_FAN
   bool send_fan_state(fan::Fan *fan);
   void send_fan_info(fan::Fan *fan);
-  static bool try_send_fan_state(APIConnection *api, void *v_fan);
-  static bool try_send_fan_info(APIConnection *api, void *v_fan);
   void fan_command(const FanCommandRequest &msg) override;
 #endif
 #ifdef USE_LIGHT
   bool send_light_state(light::LightState *light);
   void send_light_info(light::LightState *light);
-  static bool try_send_light_state(APIConnection *api, void *v_light);
-  static bool try_send_light_info(APIConnection *api, void *v_light);
   void light_command(const LightCommandRequest &msg) override;
 #endif
 #ifdef USE_SENSOR
-  bool send_sensor_state(sensor::Sensor *sensor, float state);
+  bool send_sensor_state(sensor::Sensor *sensor);
   void send_sensor_info(sensor::Sensor *sensor);
-  static bool try_send_sensor_state(APIConnection *api, void *v_sensor);
-  static bool try_send_sensor_state(APIConnection *api, sensor::Sensor *sensor, float state);
-  static bool try_send_sensor_info(APIConnection *api, void *v_sensor);
 #endif
 #ifdef USE_SWITCH
-  bool send_switch_state(switch_::Switch *a_switch, bool state);
+  bool send_switch_state(switch_::Switch *a_switch);
   void send_switch_info(switch_::Switch *a_switch);
-  static bool try_send_switch_state(APIConnection *api, void *v_a_switch);
-  static bool try_send_switch_state(APIConnection *api, switch_::Switch *a_switch, bool state);
-  static bool try_send_switch_info(APIConnection *api, void *v_a_switch);
   void switch_command(const SwitchCommandRequest &msg) override;
 #endif
 #ifdef USE_TEXT_SENSOR
-  bool send_text_sensor_state(text_sensor::TextSensor *text_sensor, std::string state);
+  bool send_text_sensor_state(text_sensor::TextSensor *text_sensor);
   void send_text_sensor_info(text_sensor::TextSensor *text_sensor);
-  static bool try_send_text_sensor_state(APIConnection *api, void *v_text_sensor);
-  static bool try_send_text_sensor_state(APIConnection *api, text_sensor::TextSensor *text_sensor, std::string state);
-  static bool try_send_text_sensor_info(APIConnection *api, void *v_text_sensor);
 #endif
 #ifdef USE_ESP32_CAMERA
   void set_camera_state(std::shared_ptr<esp32_camera::CameraImage> image);
   void send_camera_info(esp32_camera::ESP32Camera *camera);
-  static bool try_send_camera_info(APIConnection *api, void *v_camera);
   void camera_image(const CameraImageRequest &msg) override;
 #endif
 #ifdef USE_CLIMATE
   bool send_climate_state(climate::Climate *climate);
   void send_climate_info(climate::Climate *climate);
-  static bool try_send_climate_state(APIConnection *api, void *v_climate);
-  static bool try_send_climate_info(APIConnection *api, void *v_climate);
   void climate_command(const ClimateCommandRequest &msg) override;
 #endif
 #ifdef USE_NUMBER
-  bool send_number_state(number::Number *number, float state);
+  bool send_number_state(number::Number *number);
   void send_number_info(number::Number *number);
-  static bool try_send_number_state(APIConnection *api, void *v_number);
-  static bool try_send_number_state(APIConnection *api, number::Number *number, float state);
-  static bool try_send_number_info(APIConnection *api, void *v_number);
   void number_command(const NumberCommandRequest &msg) override;
 #endif
 #ifdef USE_DATETIME_DATE
   bool send_date_state(datetime::DateEntity *date);
   void send_date_info(datetime::DateEntity *date);
-  static bool try_send_date_state(APIConnection *api, void *v_date);
-  static bool try_send_date_info(APIConnection *api, void *v_date);
   void date_command(const DateCommandRequest &msg) override;
 #endif
 #ifdef USE_DATETIME_TIME
   bool send_time_state(datetime::TimeEntity *time);
   void send_time_info(datetime::TimeEntity *time);
-  static bool try_send_time_state(APIConnection *api, void *v_time);
-  static bool try_send_time_info(APIConnection *api, void *v_time);
   void time_command(const TimeCommandRequest &msg) override;
 #endif
 #ifdef USE_DATETIME_DATETIME
   bool send_datetime_state(datetime::DateTimeEntity *datetime);
   void send_datetime_info(datetime::DateTimeEntity *datetime);
-  static bool try_send_datetime_state(APIConnection *api, void *v_datetime);
-  static bool try_send_datetime_info(APIConnection *api, void *v_datetime);
   void datetime_command(const DateTimeCommandRequest &msg) override;
 #endif
 #ifdef USE_TEXT
-  bool send_text_state(text::Text *text, std::string state);
+  bool send_text_state(text::Text *text);
   void send_text_info(text::Text *text);
-  static bool try_send_text_state(APIConnection *api, void *v_text);
-  static bool try_send_text_state(APIConnection *api, text::Text *text, std::string state);
-  static bool try_send_text_info(APIConnection *api, void *v_text);
   void text_command(const TextCommandRequest &msg) override;
 #endif
 #ifdef USE_SELECT
-  bool send_select_state(select::Select *select, std::string state);
+  bool send_select_state(select::Select *select);
   void send_select_info(select::Select *select);
-  static bool try_send_select_state(APIConnection *api, void *v_select);
-  static bool try_send_select_state(APIConnection *api, select::Select *select, std::string state);
-  static bool try_send_select_info(APIConnection *api, void *v_select);
   void select_command(const SelectCommandRequest &msg) override;
 #endif
 #ifdef USE_BUTTON
   void send_button_info(button::Button *button);
-  static bool try_send_button_info(APIConnection *api, void *v_button);
   void button_command(const ButtonCommandRequest &msg) override;
 #endif
 #ifdef USE_LOCK
-  bool send_lock_state(lock::Lock *a_lock, lock::LockState state);
+  bool send_lock_state(lock::Lock *a_lock);
   void send_lock_info(lock::Lock *a_lock);
-  static bool try_send_lock_state(APIConnection *api, void *v_a_lock);
-  static bool try_send_lock_state(APIConnection *api, lock::Lock *a_lock, lock::LockState state);
-  static bool try_send_lock_info(APIConnection *api, void *v_a_lock);
   void lock_command(const LockCommandRequest &msg) override;
 #endif
 #ifdef USE_VALVE
   bool send_valve_state(valve::Valve *valve);
   void send_valve_info(valve::Valve *valve);
-  static bool try_send_valve_state(APIConnection *api, void *v_valve);
-  static bool try_send_valve_info(APIConnection *api, void *v_valve);
   void valve_command(const ValveCommandRequest &msg) override;
 #endif
 #ifdef USE_MEDIA_PLAYER
   bool send_media_player_state(media_player::MediaPlayer *media_player);
   void send_media_player_info(media_player::MediaPlayer *media_player);
-  static bool try_send_media_player_state(APIConnection *api, void *v_media_player);
-  static bool try_send_media_player_info(APIConnection *api, void *v_media_player);
   void media_player_command(const MediaPlayerCommandRequest &msg) override;
 #endif
   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;
-    this->send_homeassistant_service_response(call);
+    this->send_message(call);
   }
 #ifdef USE_BLUETOOTH_PROXY
   void subscribe_bluetooth_le_advertisements(const SubscribeBluetoothLEAdvertisementsRequest &msg) override;
@@ -221,12 +143,13 @@ 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
   void send_time_request() {
     GetTimeRequest req;
-    this->send_get_time_request(req);
+    this->send_message(req);
   }
 #endif
 
@@ -245,24 +168,17 @@ class APIConnection : public APIServerConnection {
 #ifdef USE_ALARM_CONTROL_PANEL
   bool send_alarm_control_panel_state(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
   void send_alarm_control_panel_info(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
-  static bool try_send_alarm_control_panel_state(APIConnection *api, void *v_a_alarm_control_panel);
-  static bool try_send_alarm_control_panel_info(APIConnection *api, void *v_a_alarm_control_panel);
   void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) override;
 #endif
 
 #ifdef USE_EVENT
-  void send_event(event::Event *event, std::string event_type);
+  void send_event(event::Event *event, const std::string &event_type);
   void send_event_info(event::Event *event);
-  static bool try_send_event(APIConnection *api, void *v_event);
-  static bool try_send_event(APIConnection *api, event::Event *event, std::string event_type);
-  static bool try_send_event_info(APIConnection *api, void *v_event);
 #endif
 
 #ifdef USE_UPDATE
   bool send_update_state(update::UpdateEntity *update);
   void send_update_info(update::UpdateEntity *update);
-  static bool try_send_update_state(APIConnection *api, void *v_update);
-  static bool try_send_update_info(APIConnection *api, void *v_update);
   void update_command(const UpdateCommandRequest &msg) override;
 #endif
 
@@ -311,19 +227,210 @@ 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();
-    return {&this->proto_write_buffer_};
+
+    // Get header padding size - used for both reserve and insert
+    uint8_t header_padding = this->helper_->frame_header_padding();
+
+    // Get shared buffer from parent server
+    std::vector<uint8_t> &shared_buf = this->parent_->get_shared_buffer_ref();
+    shared_buf.clear();
+    // 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)
+    shared_buf.reserve(reserve_size + header_padding + this->helper_->frame_footer_size());
+    // Resize to add header padding so message encoding starts at the correct position
+    shared_buf.resize(header_padding);
+    return {&shared_buf};
   }
-  bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) override;
+
+  // Prepare buffer for next message in batch
+  ProtoWriteBuffer prepare_message_buffer(uint16_t message_size, bool is_first_message) {
+    // Get reference to shared buffer (it maintains state between batch messages)
+    std::vector<uint8_t> &shared_buf = this->parent_->get_shared_buffer_ref();
+
+    if (is_first_message) {
+      shared_buf.clear();
+    }
+
+    size_t current_size = shared_buf.size();
+
+    // Calculate padding to add:
+    // - First message: just header padding
+    // - Subsequent messages: footer for previous message + header padding for this message
+    size_t padding_to_add = is_first_message
+                                ? this->helper_->frame_header_padding()
+                                : this->helper_->frame_header_padding() + this->helper_->frame_footer_size();
+
+    // Reserve space for padding + message
+    shared_buf.reserve(current_size + padding_to_add + message_size);
+
+    // Resize to add the padding bytes
+    shared_buf.resize(current_size + padding_to_add);
+
+    return {&shared_buf};
+  }
+
+  bool try_to_clear_buffer(bool log_out_of_space);
+  bool send_buffer(ProtoWriteBuffer buffer, uint16_t message_type) override;
 
   std::string get_client_combined_info() const { return this->client_combined_info_; }
 
- protected:
-  friend APIServer;
+  // Buffer allocator methods for batch processing
+  ProtoWriteBuffer allocate_single_message_buffer(uint16_t size);
+  ProtoWriteBuffer allocate_batch_message_buffer(uint16_t size);
 
-  bool send_(const void *buf, size_t len, bool force);
+ protected:
+  // Helper function to fill common entity info fields
+  static void fill_entity_info_base(esphome::EntityBase *entity, InfoResponseProtoMessage &response) {
+    // 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());
+  }
+
+  // Helper function to fill common entity state fields
+  static void fill_entity_state_base(esphome::EntityBase *entity, StateResponseProtoMessage &response) {
+    response.key = entity->get_object_id_hash();
+  }
+
+  // Non-template helper to encode any ProtoMessage
+  static uint16_t encode_message_to_buffer(ProtoMessage &msg, uint16_t message_type, APIConnection *conn,
+                                           uint32_t remaining_size, bool is_single);
+
+#ifdef USE_BINARY_SENSOR
+  static uint16_t try_send_binary_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                               bool is_single);
+  static uint16_t try_send_binary_sensor_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                              bool is_single);
+#endif
+#ifdef USE_COVER
+  static uint16_t try_send_cover_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+  static uint16_t try_send_cover_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_FAN
+  static uint16_t try_send_fan_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_fan_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_LIGHT
+  static uint16_t try_send_light_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+  static uint16_t try_send_light_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_SENSOR
+  static uint16_t try_send_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+  static uint16_t try_send_sensor_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_SWITCH
+  static uint16_t try_send_switch_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+  static uint16_t try_send_switch_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_TEXT_SENSOR
+  static uint16_t try_send_text_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                             bool is_single);
+  static uint16_t try_send_text_sensor_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                            bool is_single);
+#endif
+#ifdef USE_CLIMATE
+  static uint16_t try_send_climate_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                         bool is_single);
+  static uint16_t try_send_climate_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+#endif
+#ifdef USE_NUMBER
+  static uint16_t try_send_number_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+  static uint16_t try_send_number_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_DATETIME_DATE
+  static uint16_t try_send_date_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_date_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_DATETIME_TIME
+  static uint16_t try_send_time_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_time_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_DATETIME_DATETIME
+  static uint16_t try_send_datetime_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                          bool is_single);
+  static uint16_t try_send_datetime_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                         bool is_single);
+#endif
+#ifdef USE_TEXT
+  static uint16_t try_send_text_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_text_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_SELECT
+  static uint16_t try_send_select_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+  static uint16_t try_send_select_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_BUTTON
+  static uint16_t try_send_button_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_LOCK
+  static uint16_t try_send_lock_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_lock_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_VALVE
+  static uint16_t try_send_valve_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+  static uint16_t try_send_valve_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_MEDIA_PLAYER
+  static uint16_t try_send_media_player_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                              bool is_single);
+  static uint16_t try_send_media_player_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                             bool is_single);
+#endif
+#ifdef USE_ALARM_CONTROL_PANEL
+  static uint16_t try_send_alarm_control_panel_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                     bool is_single);
+  static uint16_t try_send_alarm_control_panel_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                                    bool is_single);
+#endif
+#ifdef USE_EVENT
+  static uint16_t try_send_event_response(event::Event *event, const std::string &event_type, APIConnection *conn,
+                                          uint32_t remaining_size, bool is_single);
+  static uint16_t try_send_event_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
+#endif
+#ifdef USE_UPDATE
+  static uint16_t try_send_update_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                        bool is_single);
+  static uint16_t try_send_update_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+#ifdef USE_ESP32_CAMERA
+  static uint16_t try_send_camera_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                       bool is_single);
+#endif
+
+  // Method for ListEntitiesDone batching
+  static uint16_t try_send_list_info_done(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                          bool is_single);
+
+  // Method for DisconnectRequest batching
+  static uint16_t try_send_disconnect_request(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
+                                              bool is_single);
+
+  // Helper function to get estimated message size for buffer pre-allocation
+  static uint16_t get_estimated_message_size(uint16_t message_type);
 
   enum class ConnectionState {
     WAITING_FOR_HELLO,
@@ -333,9 +440,6 @@ class APIConnection : public APIServerConnection {
 
   bool remove_{false};
 
-  // Buffer used to encode proto messages
-  // Re-use to prevent allocations
-  std::vector<uint8_t> proto_write_buffer_;
   std::unique_ptr<APIFrameHelper> helper_;
 
   std::string client_info_;
@@ -356,10 +460,160 @@ 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;
+
+  // Function pointer type for message encoding
+  using MessageCreatorPtr = uint16_t (*)(EntityBase *, APIConnection *, uint32_t remaining_size, bool is_single);
+
+  // Optimized MessageCreator class using union dispatch
+  class MessageCreator {
+   public:
+    // Constructor for function pointer (message_type = 0)
+    MessageCreator(MessageCreatorPtr ptr) : message_type_(0) { data_.ptr = ptr; }
+
+    // Constructor for string state capture
+    MessageCreator(const std::string &value, uint16_t msg_type) : message_type_(msg_type) {
+      data_.string_ptr = new std::string(value);
+    }
+
+    // Destructor
+    ~MessageCreator() {
+      // Clean up string data for string-based message types
+      if (uses_string_data_()) {
+        delete data_.string_ptr;
+      }
+    }
+
+    // Copy constructor
+    MessageCreator(const MessageCreator &other) : message_type_(other.message_type_) {
+      if (message_type_ == 0) {
+        data_.ptr = other.data_.ptr;
+      } else if (uses_string_data_()) {
+        data_.string_ptr = new std::string(*other.data_.string_ptr);
+      } else {
+        data_ = other.data_;  // For POD types
+      }
+    }
+
+    // Move constructor
+    MessageCreator(MessageCreator &&other) noexcept : data_(other.data_), message_type_(other.message_type_) {
+      other.message_type_ = 0;  // Reset other to function pointer type
+      other.data_.ptr = nullptr;
+    }
+
+    // Assignment operators (needed for batch deduplication)
+    MessageCreator &operator=(const MessageCreator &other) {
+      if (this != &other) {
+        // Clean up current string data if needed
+        if (uses_string_data_()) {
+          delete data_.string_ptr;
+        }
+        // Copy new data
+        message_type_ = other.message_type_;
+        if (other.message_type_ == 0) {
+          data_.ptr = other.data_.ptr;
+        } else if (other.uses_string_data_()) {
+          data_.string_ptr = new std::string(*other.data_.string_ptr);
+        } else {
+          data_ = other.data_;
+        }
+      }
+      return *this;
+    }
+
+    MessageCreator &operator=(MessageCreator &&other) noexcept {
+      if (this != &other) {
+        // Clean up current string data if needed
+        if (uses_string_data_()) {
+          delete data_.string_ptr;
+        }
+        // Move data
+        message_type_ = other.message_type_;
+        data_ = other.data_;
+        // Reset other to safe state
+        other.message_type_ = 0;
+        other.data_.ptr = nullptr;
+      }
+      return *this;
+    }
+
+    // Call operator
+    uint16_t operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single) const;
+
+   private:
+    // Helper to check if this message type uses heap-allocated strings
+    bool uses_string_data_() const { return message_type_ == EventResponse::MESSAGE_TYPE; }
+    union CreatorData {
+      MessageCreatorPtr ptr;    // 8 bytes
+      std::string *string_ptr;  // 8 bytes
+    } data_;                    // 8 bytes
+    uint16_t message_type_;     // 2 bytes (0 = function ptr, >0 = state capture)
+  };
+
+  // Generic batching mechanism for both state updates and entity info
+  struct DeferredBatch {
+    struct BatchItem {
+      EntityBase *entity;      // Entity pointer
+      MessageCreator creator;  // Function that creates the message when needed
+      uint16_t message_type;   // Message type for overhead calculation
+
+      // Constructor for creating BatchItem
+      BatchItem(EntityBase *entity, MessageCreator creator, uint16_t message_type)
+          : entity(entity), creator(std::move(creator)), message_type(message_type) {}
+    };
+
+    std::vector<BatchItem> items;
+    uint32_t batch_start_time{0};
+    bool batch_scheduled{false};
+
+    DeferredBatch() {
+      // Pre-allocate capacity for typical batch sizes to avoid reallocation
+      items.reserve(8);
+    }
+
+    // Add item to the batch
+    void add_item(EntityBase *entity, MessageCreator creator, uint16_t message_type);
+    void clear() {
+      items.clear();
+      batch_scheduled = false;
+      batch_start_time = 0;
+    }
+    bool empty() const { return items.empty(); }
+  };
+
+  DeferredBatch deferred_batch_;
+  uint32_t get_batch_delay_ms_() const;
+  // Message will use 8 more bytes than the minimum size, and typical
+  // MTU is 1500. Sometimes users will see as low as 1460 MTU.
+  // If its IPv6 the header is 40 bytes, and if its IPv4
+  // the header is 20 bytes. So we have 1460 - 40 = 1420 bytes
+  // available for the payload. But we also need to add the size of
+  // the protobuf overhead, which is 8 bytes.
+  //
+  // To be safe we pick 1390 bytes as the maximum size
+  // to send in one go. This is the maximum size of a single packet
+  // that can be sent over the network.
+  // This is to avoid fragmentation of the packet.
+  static constexpr size_t MAX_PACKET_SIZE = 1390;  // MTU
+
+  bool schedule_batch_();
+  void process_batch_();
+
+  // State for batch buffer allocation
+  bool batch_first_message_{false};
+
+  // Helper function to schedule a deferred message with known message type
+  bool schedule_message_(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
+    this->deferred_batch_.add_item(entity, std::move(creator), message_type);
+    return this->schedule_batch_();
+  }
+
+  // Overload for function pointers (for info messages and current state reads)
+  bool schedule_message_(EntityBase *entity, MessageCreatorPtr function_ptr, uint16_t message_type) {
+    return schedule_message_(entity, MessageCreator(function_ptr), message_type);
+  }
 };
 
 }  // namespace api

esphome/components/api/api_frame_helper.cpp

@@ -1,25 +1,19 @@
 #include "api_frame_helper.h"
 #ifdef USE_API
-#include "esphome/core/log.h"
+#include "esphome/core/application.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
-#include "esphome/core/application.h"
+#include "esphome/core/log.h"
 #include "proto.h"
+#include "api_pb2_size.h"
 #include <cstring>
+#include <cinttypes>
 
 namespace esphome {
 namespace api {
 
 static const char *const TAG = "api.socket";
 
-/// Is the given return value (from write syscalls) a wouldblock error?
-bool is_would_block(ssize_t ret) {
-  if (ret == -1) {
-    return errno == EWOULDBLOCK || errno == EAGAIN;
-  }
-  return ret == 0;
-}
-
 const char *api_error_to_str(APIError err) {
   // not using switch to ensure compiler doesn't try to build a big table out of it
   if (err == APIError::OK) {
@@ -72,7 +66,154 @@ const char *api_error_to_str(APIError err) {
   return "UNKNOWN";
 }
 
-#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, info_.c_str(), ##__VA_ARGS__)
+// Helper method to buffer data from IOVs
+void APIFrameHelper::buffer_data_from_iov_(const struct iovec *iov, int iovcnt, uint16_t total_write_len) {
+  SendBuffer buffer;
+  buffer.data.reserve(total_write_len);
+  for (int i = 0; i < iovcnt; i++) {
+    const uint8_t *data = reinterpret_cast<uint8_t *>(iov[i].iov_base);
+    buffer.data.insert(buffer.data.end(), data, data + iov[i].iov_len);
+  }
+  this->tx_buf_.push_back(std::move(buffer));
+}
+
+// This method writes data to socket or buffers it
+APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
+  // 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
+
+  if (iovcnt == 0)
+    return APIError::OK;  // Nothing to do, success
+
+  uint16_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 += static_cast<uint16_t>(iov[i].iov_len);
+  }
+
+  // Try to send any existing buffered data first if there is any
+  if (!this->tx_buf_.empty()) {
+    APIError send_result = try_send_tx_buf_();
+    // If real error occurred (not just WOULD_BLOCK), return it
+    if (send_result != APIError::OK && send_result != APIError::WOULD_BLOCK) {
+      return send_result;
+    }
+
+    // If there is still data in the buffer, we can't send, buffer
+    // the new data and return
+    if (!this->tx_buf_.empty()) {
+      this->buffer_data_from_iov_(iov, iovcnt, total_write_len);
+      return APIError::OK;  // Success, data buffered
+    }
+  }
+
+  // Try to send directly if no buffered data
+  ssize_t sent = this->socket_->writev(iov, iovcnt);
+
+  if (sent == -1) {
+    if (errno == EWOULDBLOCK || errno == EAGAIN) {
+      // Socket would block, buffer the data
+      this->buffer_data_from_iov_(iov, iovcnt, total_write_len);
+      return APIError::OK;  // Success, data buffered
+    }
+    // Socket error
+    ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", this->info_.c_str(), errno);
+    this->state_ = State::FAILED;
+    return APIError::SOCKET_WRITE_FAILED;  // Socket write failed
+  } else if (static_cast<uint16_t>(sent) < total_write_len) {
+    // Partially sent, buffer the remaining data
+    SendBuffer buffer;
+    uint16_t to_consume = static_cast<uint16_t>(sent);
+    uint16_t remaining = total_write_len - static_cast<uint16_t>(sent);
+
+    buffer.data.reserve(remaining);
+
+    for (int i = 0; i < iovcnt; i++) {
+      if (to_consume >= iov[i].iov_len) {
+        // This segment was fully sent
+        to_consume -= static_cast<uint16_t>(iov[i].iov_len);
+      } else {
+        // This segment was partially sent or not sent at all
+        const uint8_t *data = reinterpret_cast<uint8_t *>(iov[i].iov_base) + to_consume;
+        uint16_t len = static_cast<uint16_t>(iov[i].iov_len) - to_consume;
+        buffer.data.insert(buffer.data.end(), data, data + len);
+        to_consume = 0;
+      }
+    }
+
+    this->tx_buf_.push_back(std::move(buffer));
+  }
+
+  return APIError::OK;  // Success, all data sent or buffered
+}
+
+// Common implementation for trying to send buffered data
+// IMPORTANT: Caller MUST ensure tx_buf_ is not empty before calling this method
+APIError APIFrameHelper::try_send_tx_buf_() {
+  // Try to send from tx_buf - we assume it's not empty as it's the caller's responsibility to check
+  bool tx_buf_empty = false;
+  while (!tx_buf_empty) {
+    // Get the first buffer in the queue
+    SendBuffer &front_buffer = this->tx_buf_.front();
+
+    // Try to send the remaining data in this buffer
+    ssize_t sent = this->socket_->write(front_buffer.current_data(), front_buffer.remaining());
+
+    if (sent == -1) {
+      if (errno != EWOULDBLOCK && errno != EAGAIN) {
+        // Real socket error (not just would block)
+        ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", this->info_.c_str(), errno);
+        this->state_ = State::FAILED;
+        return APIError::SOCKET_WRITE_FAILED;  // Socket write failed
+      }
+      // Socket would block, we'll try again later
+      return APIError::WOULD_BLOCK;
+    } else if (sent == 0) {
+      // Nothing sent but not an error
+      return APIError::WOULD_BLOCK;
+    } else if (static_cast<uint16_t>(sent) < front_buffer.remaining()) {
+      // Partially sent, update offset
+      // Cast to ensure no overflow issues with uint16_t
+      front_buffer.offset += static_cast<uint16_t>(sent);
+      return APIError::WOULD_BLOCK;  // Stop processing more buffers if we couldn't send a complete buffer
+    } else {
+      // Buffer completely sent, remove it from the queue
+      this->tx_buf_.pop_front();
+      // Update empty status for the loop condition
+      tx_buf_empty = this->tx_buf_.empty();
+      // Continue loop to try sending the next buffer
+    }
+  }
+
+  return APIError::OK;  // All buffers sent successfully
+}
+
+APIError APIFrameHelper::init_common_() {
+  if (state_ != State::INITIALIZE || this->socket_ == nullptr) {
+    ESP_LOGVV(TAG, "%s: Bad state for init %d", this->info_.c_str(), (int) state_);
+    return APIError::BAD_STATE;
+  }
+  int err = this->socket_->setblocking(false);
+  if (err != 0) {
+    state_ = State::FAILED;
+    ESP_LOGVV(TAG, "%s: Setting nonblocking failed with errno %d", this->info_.c_str(), errno);
+    return APIError::TCP_NONBLOCKING_FAILED;
+  }
+
+  int enable = 1;
+  err = this->socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
+  if (err != 0) {
+    state_ = State::FAILED;
+    ESP_LOGVV(TAG, "%s: Setting nodelay failed with errno %d", this->info_.c_str(), errno);
+    return APIError::TCP_NODELAY_FAILED;
+  }
+  return APIError::OK;
+}
+
+#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, this->info_.c_str(), ##__VA_ARGS__)
 // uncomment to log raw packets
 //#define HELPER_LOG_PACKETS
 
@@ -120,23 +261,9 @@ std::string noise_err_to_str(int err) {
 
 /// Initialize the frame helper, returns OK if successful.
 APIError APINoiseFrameHelper::init() {
-  if (state_ != State::INITIALIZE || socket_ == nullptr) {
-    HELPER_LOG("Bad state for init %d", (int) state_);
-    return APIError::BAD_STATE;
-  }
-  int err = socket_->setblocking(false);
-  if (err != 0) {
-    state_ = State::FAILED;
-    HELPER_LOG("Setting nonblocking failed with errno %d", errno);
-    return APIError::TCP_NONBLOCKING_FAILED;
-  }
-
-  int enable = 1;
-  err = socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
-  if (err != 0) {
-    state_ = State::FAILED;
-    HELPER_LOG("Setting nodelay failed with errno %d", errno);
-    return APIError::TCP_NODELAY_FAILED;
+  APIError err = init_common_();
+  if (err != APIError::OK) {
+    return err;
   }
 
   // init prologue
@@ -148,17 +275,16 @@ APIError APINoiseFrameHelper::init() {
 /// Run through handshake messages (if in that phase)
 APIError APINoiseFrameHelper::loop() {
   APIError err = state_action_();
-  if (err == APIError::WOULD_BLOCK)
-    return APIError::OK;
-  if (err != APIError::OK)
+  if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
     return err;
-  if (!tx_buf_.empty()) {
+  }
+  if (!this->tx_buf_.empty()) {
     err = try_send_tx_buf_();
-    if (err != APIError::OK) {
+    if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
       return err;
     }
   }
-  return APIError::OK;
+  return APIError::OK;  // Convert WOULD_BLOCK to OK to avoid connection termination
 }
 
 /** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
@@ -184,8 +310,8 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
   // read header
   if (rx_header_buf_len_ < 3) {
     // no header information yet
-    size_t to_read = 3 - rx_header_buf_len_;
-    ssize_t received = socket_->read(&rx_header_buf_[rx_header_buf_len_], to_read);
+    uint8_t to_read = 3 - rx_header_buf_len_;
+    ssize_t received = this->socket_->read(&rx_header_buf_[rx_header_buf_len_], to_read);
     if (received == -1) {
       if (errno == EWOULDBLOCK || errno == EAGAIN) {
         return APIError::WOULD_BLOCK;
@@ -198,8 +324,8 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       HELPER_LOG("Connection closed");
       return APIError::CONNECTION_CLOSED;
     }
-    rx_header_buf_len_ += received;
-    if ((size_t) received != to_read) {
+    rx_header_buf_len_ += static_cast<uint8_t>(received);
+    if (static_cast<uint8_t>(received) != to_read) {
       // not a full read
       return APIError::WOULD_BLOCK;
     }
@@ -231,8 +357,8 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
 
   if (rx_buf_len_ < msg_size) {
     // more data to read
-    size_t to_read = msg_size - rx_buf_len_;
-    ssize_t received = socket_->read(&rx_buf_[rx_buf_len_], to_read);
+    uint16_t to_read = msg_size - rx_buf_len_;
+    ssize_t received = this->socket_->read(&rx_buf_[rx_buf_len_], to_read);
     if (received == -1) {
       if (errno == EWOULDBLOCK || errno == EAGAIN) {
         return APIError::WOULD_BLOCK;
@@ -245,8 +371,8 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       HELPER_LOG("Connection closed");
       return APIError::CONNECTION_CLOSED;
     }
-    rx_buf_len_ += received;
-    if ((size_t) received != to_read) {
+    rx_buf_len_ += static_cast<uint16_t>(received);
+    if (static_cast<uint16_t>(received) != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -295,6 +421,8 @@ APIError APINoiseFrameHelper::state_action_() {
     if (aerr != APIError::OK)
       return aerr;
     // ignore contents, may be used in future for flags
+    // Reserve space for: existing prologue + 2 size bytes + frame data
+    prologue_.reserve(prologue_.size() + 2 + frame.msg.size());
     prologue_.push_back((uint8_t) (frame.msg.size() >> 8));
     prologue_.push_back((uint8_t) frame.msg.size());
     prologue_.insert(prologue_.end(), frame.msg.begin(), frame.msg.end());
@@ -303,16 +431,20 @@ APIError APINoiseFrameHelper::state_action_() {
   }
   if (state_ == State::SERVER_HELLO) {
     // send server hello
+    const std::string &name = App.get_name();
+    const std::string &mac = get_mac_address();
+
     std::vector<uint8_t> msg;
+    // Reserve space for: 1 byte proto + name + null + mac + null
+    msg.reserve(1 + name.size() + 1 + mac.size() + 1);
+
     // chosen proto
     msg.push_back(0x01);
 
     // node name, terminated by null byte
-    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);
 
@@ -407,16 +539,18 @@ 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;
   write_frame_(data.data(), data.size());
   state_ = orig_state;
 }
-
 APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   int err;
   APIError aerr;
@@ -444,7 +578,7 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
     return APIError::CIPHERSTATE_DECRYPT_FAILED;
   }
 
-  size_t msg_size = mbuf.size;
+  uint16_t msg_size = mbuf.size;
   uint8_t *msg_data = frame.msg.data();
   if (msg_size < 4) {
     state_ = State::FAILED;
@@ -470,11 +604,22 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   buffer->type = type;
   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) {
-  int err;
-  APIError aerr;
-  aerr = state_action_();
+APIError APINoiseFrameHelper::write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) {
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  uint16_t payload_len = static_cast<uint16_t>(raw_buffer->size() - frame_header_padding_);
+
+  // Resize to include MAC space (required for Noise encryption)
+  raw_buffer->resize(raw_buffer->size() + frame_footer_size_);
+
+  // Use write_protobuf_packets with a single packet
+  std::vector<PacketInfo> packets;
+  packets.emplace_back(type, 0, payload_len);
+
+  return write_protobuf_packets(buffer, packets);
+}
+
+APIError APINoiseFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer, const std::vector<PacketInfo> &packets) {
+  APIError aerr = state_action_();
   if (aerr != APIError::OK) {
     return aerr;
   }
@@ -483,135 +628,67 @@ APIError APINoiseFrameHelper::write_packet(uint16_t type, const uint8_t *payload
     return APIError::WOULD_BLOCK;
   }
 
-  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;
+  if (packets.empty()) {
+    return APIError::OK;
   }
 
-  tmpbuf[0] = 0x01;  // indicator
-  // tmpbuf[1], tmpbuf[2] to be set later
-  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);
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  this->reusable_iovs_.clear();
+  this->reusable_iovs_.reserve(packets.size());
 
+  // We need to encrypt each packet in place
+  for (const auto &packet : packets) {
+    uint16_t type = packet.message_type;
+    uint16_t offset = packet.offset;
+    uint16_t payload_len = packet.payload_size;
+    uint16_t msg_len = 4 + payload_len;  // type(2) + data_len(2) + payload
+
+    // The buffer already has padding at offset
+    uint8_t *buf_start = raw_buffer->data() + offset;
+
+    // Write noise header
+    buf_start[0] = 0x01;  // indicator
+    // buf_start[1], buf_start[2] to be set after encryption
+
+    // Write message header (to be encrypted)
+    const uint8_t msg_offset = 3;
+    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 offset + 7
+
+    // Make sure we have space for MAC
+    // The buffer should already have been sized appropriately
+
+    // Encrypt the message in place
     NoiseBuffer mbuf;
     noise_buffer_init(mbuf);
-  noise_buffer_set_inout(mbuf, &tmpbuf[msg_offset], msg_len, frame_len - msg_offset);
-  err = noise_cipherstate_encrypt(send_cipher_, &mbuf);
+    noise_buffer_set_inout(mbuf, buf_start + msg_offset, msg_len, msg_len + frame_footer_size_);
+
+    int err = noise_cipherstate_encrypt(send_cipher_, &mbuf);
     if (err != 0) {
       state_ = State::FAILED;
       HELPER_LOG("noise_cipherstate_encrypt failed: %s", noise_err_to_str(err).c_str());
       return APIError::CIPHERSTATE_ENCRYPT_FAILED;
     }
 
-  size_t total_len = 3 + mbuf.size;
-  tmpbuf[1] = (uint8_t) (mbuf.size >> 8);
-  tmpbuf[2] = (uint8_t) mbuf.size;
+    // Fill in the encrypted size
+    buf_start[1] = (uint8_t) (mbuf.size >> 8);
+    buf_start[2] = (uint8_t) mbuf.size;
 
+    // Add iovec for this encrypted packet
     struct iovec iov;
-  iov.iov_base = &tmpbuf[0];
-  iov.iov_len = total_len;
+    iov.iov_base = buf_start;
+    iov.iov_len = 3 + mbuf.size;  // indicator + size + encrypted data
+    this->reusable_iovs_.push_back(iov);
+  }
 
-  // write raw to not have two packets sent if NAGLE disabled
-  return write_raw_(&iov, 1);
+  // Send all encrypted packets in one writev call
+  return this->write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size());
 }
-APIError APINoiseFrameHelper::try_send_tx_buf_() {
-  // try send from tx_buf
-  while (state_ != State::CLOSED && !tx_buf_.empty()) {
-    ssize_t sent = socket_->write(tx_buf_.data(), tx_buf_.size());
-    if (sent == -1) {
-      if (errno == EWOULDBLOCK || errno == EAGAIN)
-        break;
-      state_ = State::FAILED;
-      HELPER_LOG("Socket write failed with errno %d", errno);
-      return APIError::SOCKET_WRITE_FAILED;
-    } else if (sent == 0) {
-      break;
-    }
-    // TODO: inefficient if multiple packets in txbuf
-    // replace with deque of buffers
-    tx_buf_.erase(tx_buf_.begin(), tx_buf_.begin() + sent);
-  }
 
-  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) {
+APIError APINoiseFrameHelper::write_frame_(const uint8_t *data, uint16_t len) {
   uint8_t header[3];
   header[0] = 0x01;  // indicator
   header[1] = (uint8_t) (len >> 8);
@@ -621,12 +698,12 @@ APIError APINoiseFrameHelper::write_frame_(const uint8_t *data, size_t len) {
   iov[0].iov_base = header;
   iov[0].iov_len = 3;
   if (len == 0) {
-    return write_raw_(iov, 1);
+    return this->write_raw_(iov, 1);
   }
   iov[1].iov_base = const_cast<uint8_t *>(data);
   iov[1].iov_len = len;
 
-  return write_raw_(iov, 2);
+  return this->write_raw_(iov, 2);
 }
 
 /** Initiate the data structures for the handshake.
@@ -697,6 +774,8 @@ 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;
@@ -719,53 +798,25 @@ APINoiseFrameHelper::~APINoiseFrameHelper() {
   }
 }
 
-APIError APINoiseFrameHelper::close() {
-  state_ = State::CLOSED;
-  int err = socket_->close();
-  if (err == -1)
-    return APIError::CLOSE_FAILED;
-  return APIError::OK;
-}
-APIError APINoiseFrameHelper::shutdown(int how) {
-  int err = socket_->shutdown(how);
-  if (err == -1)
-    return APIError::SHUTDOWN_FAILED;
-  if (how == SHUT_RDWR) {
-    state_ = State::CLOSED;
-  }
-  return APIError::OK;
-}
 extern "C" {
 // declare how noise generates random bytes (here with a good HWRNG based on the RF system)
 void noise_rand_bytes(void *output, size_t len) {
   if (!esphome::random_bytes(reinterpret_cast<uint8_t *>(output), len)) {
-    ESP_LOGE(TAG, "Failed to acquire random bytes, rebooting!");
+    ESP_LOGE(TAG, "Acquiring random bytes failed; rebooting");
     arch_restart();
   }
 }
 }
+
 #endif  // USE_API_NOISE
 
 #ifdef USE_API_PLAINTEXT
 
 /// Initialize the frame helper, returns OK if successful.
 APIError APIPlaintextFrameHelper::init() {
-  if (state_ != State::INITIALIZE || socket_ == nullptr) {
-    HELPER_LOG("Bad state for init %d", (int) state_);
-    return APIError::BAD_STATE;
-  }
-  int err = socket_->setblocking(false);
-  if (err != 0) {
-    state_ = State::FAILED;
-    HELPER_LOG("Setting nonblocking failed with errno %d", errno);
-    return APIError::TCP_NONBLOCKING_FAILED;
-  }
-  int enable = 1;
-  err = socket_->setsockopt(IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(int));
-  if (err != 0) {
-    state_ = State::FAILED;
-    HELPER_LOG("Setting nodelay failed with errno %d", errno);
-    return APIError::TCP_NODELAY_FAILED;
+  APIError err = init_common_();
+  if (err != APIError::OK) {
+    return err;
   }
 
   state_ = State::DATA;
@@ -776,14 +827,13 @@ APIError APIPlaintextFrameHelper::loop() {
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
-  // try send pending TX data
-  if (!tx_buf_.empty()) {
+  if (!this->tx_buf_.empty()) {
     APIError err = try_send_tx_buf_();
-    if (err != APIError::OK) {
+    if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
       return err;
     }
   }
-  return APIError::OK;
+  return APIError::OK;  // Convert WOULD_BLOCK to OK to avoid connection termination
 }
 
 /** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
@@ -803,8 +853,15 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
 
   // read header
   while (!rx_header_parsed_) {
-    uint8_t data;
-    ssize_t received = socket_->read(&data, 1);
+    // Now that we know when the socket is ready, we can read up to 3 bytes
+    // into the rx_header_buf_ before we have to switch back to reading
+    // one byte at a time to ensure we don't read past the message and
+    // into the next one.
+
+    // Read directly into rx_header_buf_ at the current position
+    // Try to get to at least 3 bytes total (indicator + 2 varint bytes), then read one byte at a time
+    ssize_t received =
+        this->socket_->read(&rx_header_buf_[rx_header_buf_pos_], rx_header_buf_pos_ < 3 ? 3 - rx_header_buf_pos_ : 1);
     if (received == -1) {
       if (errno == EWOULDBLOCK || errno == EAGAIN) {
         return APIError::WOULD_BLOCK;
@@ -817,32 +874,75 @@ 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 this was the first read, validate the indicator byte
+    if (rx_header_buf_pos_ == 0 && received > 0) {
       if (rx_header_buf_[0] != 0x00) {
         state_ = State::FAILED;
         HELPER_LOG("Bad indicator byte %u", rx_header_buf_[0]);
         return APIError::BAD_INDICATOR;
       }
+    }
 
-    size_t i = 1;
+    rx_header_buf_pos_ += received;
+
+    // Check for buffer overflow
+    if (rx_header_buf_pos_ >= sizeof(rx_header_buf_)) {
+      state_ = State::FAILED;
+      HELPER_LOG("Header buffer overflow");
+      return APIError::BAD_DATA_PACKET;
+    }
+
+    // Need at least 3 bytes total (indicator + 2 varint bytes) before trying to parse
+    if (rx_header_buf_pos_ < 3) {
+      continue;
+    }
+
+    // At this point, we have at least 3 bytes total:
+    //   - Validated indicator byte (0x00) stored at position 0
+    //   - At least 2 bytes in the buffer for the varints
+    // Buffer layout:
+    //   [0]: indicator byte (0x00)
+    //   [1-3]: Message size varint (variable length)
+    //     - 2 bytes would only allow up to 16383, which is less than noise's UINT16_MAX (65535)
+    //     - 3 bytes allows up to 2097151, ensuring we support at least as much as noise
+    //   [2-5]: Message type varint (variable length)
+    // We now attempt to parse both varints. If either is incomplete,
+    // we'll continue reading more bytes.
+
+    // Skip indicator byte at position 0
+    uint8_t varint_pos = 1;
     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_[varint_pos], rx_header_buf_pos_ - varint_pos, &consumed);
     if (!msg_size_varint.has_value()) {
       // not enough data there yet
       continue;
     }
 
-    i += consumed;
-    rx_header_parsed_len_ = msg_size_varint->as_uint32();
+    if (msg_size_varint->as_uint32() > std::numeric_limits<uint16_t>::max()) {
+      state_ = State::FAILED;
+      HELPER_LOG("Bad packet: message size %" PRIu32 " exceeds maximum %u", msg_size_varint->as_uint32(),
+                 std::numeric_limits<uint16_t>::max());
+      return APIError::BAD_DATA_PACKET;
+    }
+    rx_header_parsed_len_ = msg_size_varint->as_uint16();
 
-    auto msg_type_varint = ProtoVarInt::parse(&rx_header_buf_[i], rx_header_buf_.size() - i, &consumed);
+    // Move to next varint position
+    varint_pos += consumed;
+
+    auto msg_type_varint = ProtoVarInt::parse(&rx_header_buf_[varint_pos], rx_header_buf_pos_ - varint_pos, &consumed);
     if (!msg_type_varint.has_value()) {
       // not enough data there yet
       continue;
     }
-    rx_header_parsed_type_ = msg_type_varint->as_uint32();
+    if (msg_type_varint->as_uint32() > std::numeric_limits<uint16_t>::max()) {
+      state_ = State::FAILED;
+      HELPER_LOG("Bad packet: message type %" PRIu32 " exceeds maximum %u", msg_type_varint->as_uint32(),
+                 std::numeric_limits<uint16_t>::max());
+      return APIError::BAD_DATA_PACKET;
+    }
+    rx_header_parsed_type_ = msg_type_varint->as_uint16();
     rx_header_parsed_ = true;
   }
   // header reading done
@@ -854,8 +954,8 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
 
   if (rx_buf_len_ < rx_header_parsed_len_) {
     // more data to read
-    size_t to_read = rx_header_parsed_len_ - rx_buf_len_;
-    ssize_t received = socket_->read(&rx_buf_[rx_buf_len_], to_read);
+    uint16_t to_read = rx_header_parsed_len_ - rx_buf_len_;
+    ssize_t received = this->socket_->read(&rx_buf_[rx_buf_len_], to_read);
     if (received == -1) {
       if (errno == EWOULDBLOCK || errno == EAGAIN) {
         return APIError::WOULD_BLOCK;
@@ -868,8 +968,8 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
       HELPER_LOG("Connection closed");
       return APIError::CONNECTION_CLOSED;
     }
-    rx_buf_len_ += received;
-    if ((size_t) received != to_read) {
+    rx_buf_len_ += static_cast<uint16_t>(received);
+    if (static_cast<uint16_t>(received) != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -883,11 +983,10 @@ 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;
 }
-
 APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   APIError aerr;
 
@@ -915,7 +1014,7 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
                          "Bad indicator byte";
       iov[0].iov_base = (void *) msg;
       iov[0].iov_len = 19;
-      write_raw_(iov, 1);
+      this->write_raw_(iov, 1);
     }
     return aerr;
   }
@@ -926,128 +1025,89 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   buffer->type = rx_header_parsed_type_;
   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) {
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  uint16_t payload_len = static_cast<uint16_t>(raw_buffer->size() - frame_header_padding_);
+
+  // Use write_protobuf_packets with a single packet
+  std::vector<PacketInfo> packets;
+  packets.emplace_back(type, 0, payload_len);
+
+  return write_protobuf_packets(buffer, packets);
+}
+
+APIError APIPlaintextFrameHelper::write_protobuf_packets(ProtoWriteBuffer buffer,
+                                                         const std::vector<PacketInfo> &packets) {
   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);
-
-  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);
-  }
-  iov[1].iov_base = const_cast<uint8_t *>(payload);
-  iov[1].iov_len = payload_len;
-
-  return write_raw_(iov, 2);
-}
-APIError APIPlaintextFrameHelper::try_send_tx_buf_() {
-  // try send from tx_buf
-  while (state_ != State::CLOSED && !tx_buf_.empty()) {
-    ssize_t sent = socket_->write(tx_buf_.data(), tx_buf_.size());
-    if (is_would_block(sent)) {
-      break;
-    } else if (sent == -1) {
-      state_ = State::FAILED;
-      HELPER_LOG("Socket write failed with errno %d", errno);
-      return APIError::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);
-  }
-
-  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);
-    }
+  if (packets.empty()) {
     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);
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  this->reusable_iovs_.clear();
+  this->reusable_iovs_.reserve(packets.size());
+
+  for (const auto &packet : packets) {
+    uint16_t type = packet.message_type;
+    uint16_t offset = packet.offset;
+    uint16_t payload_len = packet.payload_size;
+
+    // Calculate varint sizes for header layout
+    uint8_t size_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(payload_len));
+    uint8_t type_varint_len = api::ProtoSize::varint(static_cast<uint32_t>(type));
+    uint8_t total_header_len = 1 + size_varint_len + type_varint_len;
+
+    // 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
+    //
+    // The message starts at offset + frame_header_padding_
+    // So we write the header starting at offset + frame_header_padding_ - total_header_len
+    uint8_t *buf_start = raw_buffer->data() + offset;
+    uint32_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);
+
+    // Add iovec for this packet (header + payload)
+    struct iovec iov;
+    iov.iov_base = buf_start + header_offset;
+    iov.iov_len = total_header_len + payload_len;
+    this->reusable_iovs_.push_back(iov);
   }
-    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;
+
+  // Send all packets in one writev call
+  return write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size());
 }
 
-APIError APIPlaintextFrameHelper::close() {
-  state_ = State::CLOSED;
-  int err = socket_->close();
-  if (err == -1)
-    return APIError::CLOSE_FAILED;
-  return APIError::OK;
-}
-APIError APIPlaintextFrameHelper::shutdown(int how) {
-  int err = socket_->shutdown(how);
-  if (err == -1)
-    return APIError::SHUTDOWN_FAILED;
-  if (how == SHUT_RDWR) {
-    state_ = State::CLOSED;
-  }
-  return APIError::OK;
-}
 #endif  // USE_API_PLAINTEXT
 
 }  // namespace api

esphome/components/api/api_frame_helper.h

@@ -1,6 +1,7 @@
 #pragma once
 #include <cstdint>
 #include <deque>
+#include <limits>
 #include <utility>
 #include <vector>
 
@@ -12,22 +13,29 @@
 
 #include "api_noise_context.h"
 #include "esphome/components/socket/socket.h"
+#include "esphome/core/application.h"
 
 namespace esphome {
 namespace api {
 
+class ProtoWriteBuffer;
+
 struct ReadPacketBuffer {
   std::vector<uint8_t> container;
   uint16_t type;
-  size_t data_offset;
-  size_t data_len;
+  uint16_t data_offset;
+  uint16_t data_len;
 };
 
-struct PacketBuffer {
-  const std::vector<uint8_t> container;
-  uint16_t type;
-  uint8_t data_offset;
-  uint8_t data_len;
+// Packed packet info structure to minimize memory usage
+struct PacketInfo {
+  uint16_t message_type;  // 2 bytes
+  uint16_t offset;        // 2 bytes (sufficient for packet size ~1460 bytes)
+  uint16_t payload_size;  // 2 bytes (up to 65535 bytes)
+  uint16_t padding;       // 2 byte (for alignment)
+
+  PacketInfo(uint16_t type, uint16_t off, uint16_t size)
+      : message_type(type), offset(off), payload_size(size), padding(0) {}
 };
 
 enum class APIError : int {
@@ -60,63 +68,157 @@ const char *api_error_to_str(APIError err);
 
 class APIFrameHelper {
  public:
+  APIFrameHelper() = default;
+  explicit APIFrameHelper(std::unique_ptr<socket::Socket> socket) : socket_owned_(std::move(socket)) {
+    socket_ = socket_owned_.get();
+  }
   virtual ~APIFrameHelper() = default;
   virtual APIError init() = 0;
   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 std::string getpeername() = 0;
-  virtual int getpeername(struct sockaddr *addr, socklen_t *addrlen) = 0;
-  virtual APIError close() = 0;
-  virtual APIError shutdown(int how) = 0;
+  bool can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
+  std::string getpeername() { return socket_->getpeername(); }
+  int getpeername(struct sockaddr *addr, socklen_t *addrlen) { return socket_->getpeername(addr, addrlen); }
+  APIError close() {
+    state_ = State::CLOSED;
+    int err = this->socket_->close();
+    if (err == -1)
+      return APIError::CLOSE_FAILED;
+    return APIError::OK;
+  }
+  APIError shutdown(int how) {
+    int err = this->socket_->shutdown(how);
+    if (err == -1)
+      return APIError::SHUTDOWN_FAILED;
+    if (how == SHUT_RDWR) {
+      state_ = State::CLOSED;
+    }
+    return APIError::OK;
+  }
   // Give this helper a name for logging
-  virtual void set_log_info(std::string info) = 0;
+  void set_log_info(std::string info) { info_ = std::move(info); }
+  virtual APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) = 0;
+  // Write multiple protobuf packets in a single operation
+  // packets contains (message_type, offset, length) for each message in the buffer
+  // The buffer contains all messages with appropriate padding before each
+  virtual APIError write_protobuf_packets(ProtoWriteBuffer buffer, const std::vector<PacketInfo> &packets) = 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;
+  // Check if socket has data ready to read
+  bool is_socket_ready() const { return socket_ != nullptr && socket_->ready(); }
+
+ protected:
+  // Struct for holding parsed frame data
+  struct ParsedFrame {
+    std::vector<uint8_t> msg;
+  };
+
+  // Buffer containing data to be sent
+  struct SendBuffer {
+    std::vector<uint8_t> data;
+    uint16_t offset{0};  // Current offset within the buffer (uint16_t to reduce memory usage)
+
+    // Using uint16_t reduces memory usage since ESPHome API messages are limited to UINT16_MAX (65535) bytes
+    uint16_t remaining() const { return static_cast<uint16_t>(data.size()) - offset; }
+    const uint8_t *current_data() const { return data.data() + offset; }
+  };
+
+  // Queue of data buffers to be sent
+  std::deque<SendBuffer> tx_buf_;
+
+  // Common state enum for all frame helpers
+  // Note: Not all states are used by all implementations
+  // - INITIALIZE: Used by both Noise and Plaintext
+  // - CLIENT_HELLO, SERVER_HELLO, HANDSHAKE: Only used by Noise protocol
+  // - DATA: Used by both Noise and Plaintext
+  // - CLOSED: Used by both Noise and Plaintext
+  // - FAILED: Used by both Noise and Plaintext
+  // - EXPLICIT_REJECT: Only used by Noise protocol
+  enum class State {
+    INITIALIZE = 1,
+    CLIENT_HELLO = 2,  // Noise only
+    SERVER_HELLO = 3,  // Noise only
+    HANDSHAKE = 4,     // Noise only
+    DATA = 5,
+    CLOSED = 6,
+    FAILED = 7,
+    EXPLICIT_REJECT = 8,  // Noise only
+  };
+
+  // Current state of the frame helper
+  State state_{State::INITIALIZE};
+
+  // Helper name for logging
+  std::string info_;
+
+  // Socket for communication
+  socket::Socket *socket_{nullptr};
+  std::unique_ptr<socket::Socket> socket_owned_;
+
+  // Common implementation for writing raw data to socket
+  APIError write_raw_(const struct iovec *iov, int iovcnt);
+
+  // Try to send data from the tx buffer
+  APIError try_send_tx_buf_();
+
+  // Helper method to buffer data from IOVs
+  void buffer_data_from_iov_(const struct iovec *iov, int iovcnt, uint16_t total_write_len);
+  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};
+
+  // Reusable IOV array for write_protobuf_packets to avoid repeated allocations
+  std::vector<struct iovec> reusable_iovs_;
+
+  // Receive buffer for reading frame data
+  std::vector<uint8_t> rx_buf_;
+  uint16_t rx_buf_len_ = 0;
+
+  // Common initialization for both plaintext and noise protocols
+  APIError init_common_();
 };
 
 #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))) {}
+      : APIFrameHelper(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;
-  std::string getpeername() override { return this->socket_->getpeername(); }
-  int getpeername(struct sockaddr *addr, socklen_t *addrlen) override {
-    return this->socket_->getpeername(addr, addrlen);
-  }
-  APIError close() override;
-  APIError shutdown(int how) override;
-  // Give this helper a name for logging
-  void set_log_info(std::string info) override { info_ = std::move(info); }
+  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
+  APIError write_protobuf_packets(ProtoWriteBuffer buffer, const std::vector<PacketInfo> &packets) override;
+  // 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 {
-    std::vector<uint8_t> msg;
-  };
-
   APIError state_action_();
   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);
+  APIError write_frame_(const uint8_t *data, uint16_t len);
   APIError init_handshake_();
   APIError check_handshake_finished_();
   void send_explicit_handshake_reject_(const std::string &reason);
-
-  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 UINT16_MAX (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_;
-  size_t rx_buf_len_ = 0;
+  uint8_t rx_header_buf_len_ = 0;
 
-  std::vector<uint8_t> tx_buf_;
   std::vector<uint8_t> prologue_;
 
   std::shared_ptr<APINoiseContext> ctx_;
@@ -124,67 +226,45 @@ class APINoiseFrameHelper : public APIFrameHelper {
   NoiseCipherState *send_cipher_{nullptr};
   NoiseCipherState *recv_cipher_{nullptr};
   NoiseProtocolId nid_;
-
-  enum class State {
-    INITIALIZE = 1,
-    CLIENT_HELLO = 2,
-    SERVER_HELLO = 3,
-    HANDSHAKE = 4,
-    DATA = 5,
-    CLOSED = 6,
-    FAILED = 7,
-    EXPLICIT_REJECT = 8,
-  } state_ = State::INITIALIZE;
 };
 #endif  // USE_API_NOISE
 
 #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) : APIFrameHelper(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;
-  std::string getpeername() override { return this->socket_->getpeername(); }
-  int getpeername(struct sockaddr *addr, socklen_t *addrlen) override {
-    return this->socket_->getpeername(addr, addrlen);
-  }
-  APIError close() override;
-  APIError shutdown(int how) override;
-  // Give this helper a name for logging
-  void set_log_info(std::string info) override { info_ = std::move(info); }
+  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
+  APIError write_protobuf_packets(ProtoWriteBuffer buffer, const std::vector<PacketInfo> &packets) override;
+  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 {
-    std::vector<uint8_t> msg;
-  };
-
   APIError try_read_frame_(ParsedFrame *frame);
-  APIError try_send_tx_buf_();
-  APIError write_raw_(const struct iovec *iov, int iovcnt);
-
-  std::unique_ptr<socket::Socket> socket_;
-
-  std::string info_;
-  std::vector<uint8_t> rx_header_buf_;
+  // Fixed-size header buffer for plaintext protocol:
+  // We now store the indicator byte + the two varints.
+  // To match noise protocol's maximum message size (UINT16_MAX = 65535), we need:
+  // 1 byte for indicator + 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_[6];  // 1 byte indicator + 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;
-
-  std::vector<uint8_t> rx_buf_;
-  size_t rx_buf_len_ = 0;
-
-  std::vector<uint8_t> tx_buf_;
-
-  enum class State {
-    INITIALIZE = 1,
-    DATA = 2,
-    CLOSED = 3,
-    FAILED = 4,
-  } state_ = State::INITIALIZE;
+  uint16_t rx_header_parsed_type_ = 0;
+  uint16_t rx_header_parsed_len_ = 0;
 };
 #endif
 

esphome/components/api/api_options.proto

@@ -21,4 +21,5 @@ extend google.protobuf.MessageOptions {
     optional string ifdef = 1038;
     optional bool log = 1039 [default=true];
     optional bool no_delay = 1040 [default=false];
+    optional string base_class = 1041;
 }

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"
@@ -10,153 +10,94 @@ namespace api {
 
 class APIServerConnectionBase : public ProtoService {
  public:
+#ifdef HAS_PROTO_MESSAGE_DUMP
+ protected:
+  void log_send_message_(const char *name, const std::string &dump);
+
+ public:
+#endif
+
+  template<typename T> bool send_message(const T &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+    this->log_send_message_(T::message_name(), msg.dump());
+#endif
+    return this->send_message_(msg, T::MESSAGE_TYPE);
+  }
+
   virtual void on_hello_request(const HelloRequest &value){};
-  bool send_hello_response(const HelloResponse &msg);
+
   virtual void on_connect_request(const ConnectRequest &value){};
-  bool send_connect_response(const ConnectResponse &msg);
-  bool send_disconnect_request(const DisconnectRequest &msg);
+
   virtual void on_disconnect_request(const DisconnectRequest &value){};
-  bool send_disconnect_response(const DisconnectResponse &msg);
   virtual void on_disconnect_response(const DisconnectResponse &value){};
-  bool send_ping_request(const PingRequest &msg);
   virtual void on_ping_request(const PingRequest &value){};
-  bool send_ping_response(const PingResponse &msg);
   virtual void on_ping_response(const PingResponse &value){};
   virtual void on_device_info_request(const DeviceInfoRequest &value){};
-  bool send_device_info_response(const DeviceInfoResponse &msg);
+
   virtual void on_list_entities_request(const ListEntitiesRequest &value){};
-  bool send_list_entities_done_response(const ListEntitiesDoneResponse &msg);
+
   virtual void on_subscribe_states_request(const SubscribeStatesRequest &value){};
-#ifdef USE_BINARY_SENSOR
-  bool send_list_entities_binary_sensor_response(const ListEntitiesBinarySensorResponse &msg);
-#endif
-#ifdef USE_BINARY_SENSOR
-  bool send_binary_sensor_state_response(const BinarySensorStateResponse &msg);
-#endif
-#ifdef USE_COVER
-  bool send_list_entities_cover_response(const ListEntitiesCoverResponse &msg);
-#endif
-#ifdef USE_COVER
-  bool send_cover_state_response(const CoverStateResponse &msg);
-#endif
+
 #ifdef USE_COVER
   virtual void on_cover_command_request(const CoverCommandRequest &value){};
 #endif
-#ifdef USE_FAN
-  bool send_list_entities_fan_response(const ListEntitiesFanResponse &msg);
-#endif
-#ifdef USE_FAN
-  bool send_fan_state_response(const FanStateResponse &msg);
-#endif
+
 #ifdef USE_FAN
   virtual void on_fan_command_request(const FanCommandRequest &value){};
 #endif
-#ifdef USE_LIGHT
-  bool send_list_entities_light_response(const ListEntitiesLightResponse &msg);
-#endif
-#ifdef USE_LIGHT
-  bool send_light_state_response(const LightStateResponse &msg);
-#endif
+
 #ifdef USE_LIGHT
   virtual void on_light_command_request(const LightCommandRequest &value){};
 #endif
-#ifdef USE_SENSOR
-  bool send_list_entities_sensor_response(const ListEntitiesSensorResponse &msg);
-#endif
-#ifdef USE_SENSOR
-  bool send_sensor_state_response(const SensorStateResponse &msg);
-#endif
-#ifdef USE_SWITCH
-  bool send_list_entities_switch_response(const ListEntitiesSwitchResponse &msg);
-#endif
-#ifdef USE_SWITCH
-  bool send_switch_state_response(const SwitchStateResponse &msg);
-#endif
+
 #ifdef USE_SWITCH
   virtual void on_switch_command_request(const SwitchCommandRequest &value){};
 #endif
-#ifdef USE_TEXT_SENSOR
-  bool send_list_entities_text_sensor_response(const ListEntitiesTextSensorResponse &msg);
-#endif
-#ifdef USE_TEXT_SENSOR
-  bool send_text_sensor_state_response(const TextSensorStateResponse &msg);
-#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){};
-  bool send_subscribe_home_assistant_state_response(const SubscribeHomeAssistantStateResponse &msg);
+
   virtual void on_home_assistant_state_response(const HomeAssistantStateResponse &value){};
-  bool send_get_time_request(const GetTimeRequest &msg);
   virtual void on_get_time_request(const GetTimeRequest &value){};
-  bool send_get_time_response(const GetTimeResponse &msg);
   virtual void on_get_time_response(const GetTimeResponse &value){};
-  bool send_list_entities_services_response(const ListEntitiesServicesResponse &msg);
+
   virtual void on_execute_service_request(const ExecuteServiceRequest &value){};
-#ifdef USE_ESP32_CAMERA
-  bool send_list_entities_camera_response(const ListEntitiesCameraResponse &msg);
-#endif
-#ifdef USE_ESP32_CAMERA
-  bool send_camera_image_response(const CameraImageResponse &msg);
-#endif
+
 #ifdef USE_ESP32_CAMERA
   virtual void on_camera_image_request(const CameraImageRequest &value){};
 #endif
-#ifdef USE_CLIMATE
-  bool send_list_entities_climate_response(const ListEntitiesClimateResponse &msg);
-#endif
-#ifdef USE_CLIMATE
-  bool send_climate_state_response(const ClimateStateResponse &msg);
-#endif
+
 #ifdef USE_CLIMATE
   virtual void on_climate_command_request(const ClimateCommandRequest &value){};
 #endif
-#ifdef USE_NUMBER
-  bool send_list_entities_number_response(const ListEntitiesNumberResponse &msg);
-#endif
-#ifdef USE_NUMBER
-  bool send_number_state_response(const NumberStateResponse &msg);
-#endif
+
 #ifdef USE_NUMBER
   virtual void on_number_command_request(const NumberCommandRequest &value){};
 #endif
-#ifdef USE_SELECT
-  bool send_list_entities_select_response(const ListEntitiesSelectResponse &msg);
-#endif
-#ifdef USE_SELECT
-  bool send_select_state_response(const SelectStateResponse &msg);
-#endif
+
 #ifdef USE_SELECT
   virtual void on_select_command_request(const SelectCommandRequest &value){};
 #endif
-#ifdef USE_LOCK
-  bool send_list_entities_lock_response(const ListEntitiesLockResponse &msg);
-#endif
-#ifdef USE_LOCK
-  bool send_lock_state_response(const LockStateResponse &msg);
+
+#ifdef USE_SIREN
+  virtual void on_siren_command_request(const SirenCommandRequest &value){};
 #endif
+
 #ifdef USE_LOCK
   virtual void on_lock_command_request(const LockCommandRequest &value){};
 #endif
-#ifdef USE_BUTTON
-  bool send_list_entities_button_response(const ListEntitiesButtonResponse &msg);
-#endif
+
 #ifdef USE_BUTTON
   virtual void on_button_command_request(const ButtonCommandRequest &value){};
 #endif
-#ifdef USE_MEDIA_PLAYER
-  bool send_list_entities_media_player_response(const ListEntitiesMediaPlayerResponse &msg);
-#endif
-#ifdef USE_MEDIA_PLAYER
-  bool send_media_player_state_response(const MediaPlayerStateResponse &msg);
-#endif
+
 #ifdef USE_MEDIA_PLAYER
   virtual void on_media_player_command_request(const MediaPlayerCommandRequest &value){};
 #endif
@@ -164,33 +105,19 @@ class APIServerConnectionBase : public ProtoService {
   virtual void on_subscribe_bluetooth_le_advertisements_request(
       const SubscribeBluetoothLEAdvertisementsRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_le_advertisement_response(const BluetoothLEAdvertisementResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_le_raw_advertisements_response(const BluetoothLERawAdvertisementsResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_device_request(const BluetoothDeviceRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_device_connection_response(const BluetoothDeviceConnectionResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_gatt_get_services_request(const BluetoothGATTGetServicesRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_get_services_response(const BluetoothGATTGetServicesResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_get_services_done_response(const BluetoothGATTGetServicesDoneResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_gatt_read_request(const BluetoothGATTReadRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_read_response(const BluetoothGATTReadResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_gatt_write_request(const BluetoothGATTWriteRequest &value){};
 #endif
@@ -203,43 +130,23 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_gatt_notify_request(const BluetoothGATTNotifyRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_notify_data_response(const BluetoothGATTNotifyDataResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_subscribe_bluetooth_connections_free_request(const SubscribeBluetoothConnectionsFreeRequest &value){};
 #endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_connections_free_response(const BluetoothConnectionsFreeResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_error_response(const BluetoothGATTErrorResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_write_response(const BluetoothGATTWriteResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_gatt_notify_response(const BluetoothGATTNotifyResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_device_pairing_response(const BluetoothDevicePairingResponse &msg);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_device_unpairing_response(const BluetoothDeviceUnpairingResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_unsubscribe_bluetooth_le_advertisements_request(
       const UnsubscribeBluetoothLEAdvertisementsRequest &value){};
 #endif
+
 #ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_device_clear_cache_response(const BluetoothDeviceClearCacheResponse &msg);
+  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
-#ifdef USE_VOICE_ASSISTANT
-  bool send_voice_assistant_request(const VoiceAssistantRequest &msg);
-#endif
+
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_voice_assistant_response(const VoiceAssistantResponse &value){};
 #endif
@@ -247,7 +154,6 @@ class APIServerConnectionBase : public ProtoService {
   virtual void on_voice_assistant_event_response(const VoiceAssistantEventResponse &value){};
 #endif
 #ifdef USE_VOICE_ASSISTANT
-  bool send_voice_assistant_audio(const VoiceAssistantAudio &msg);
   virtual void on_voice_assistant_audio(const VoiceAssistantAudio &value){};
 #endif
 #ifdef USE_VOICE_ASSISTANT
@@ -256,84 +162,39 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_voice_assistant_announce_request(const VoiceAssistantAnnounceRequest &value){};
 #endif
-#ifdef USE_VOICE_ASSISTANT
-  bool send_voice_assistant_announce_finished(const VoiceAssistantAnnounceFinished &msg);
-#endif
+
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_voice_assistant_configuration_request(const VoiceAssistantConfigurationRequest &value){};
 #endif
-#ifdef USE_VOICE_ASSISTANT
-  bool send_voice_assistant_configuration_response(const VoiceAssistantConfigurationResponse &msg);
-#endif
+
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_voice_assistant_set_configuration(const VoiceAssistantSetConfiguration &value){};
 #endif
-#ifdef USE_ALARM_CONTROL_PANEL
-  bool send_list_entities_alarm_control_panel_response(const ListEntitiesAlarmControlPanelResponse &msg);
-#endif
-#ifdef USE_ALARM_CONTROL_PANEL
-  bool send_alarm_control_panel_state_response(const AlarmControlPanelStateResponse &msg);
-#endif
+
 #ifdef USE_ALARM_CONTROL_PANEL
   virtual void on_alarm_control_panel_command_request(const AlarmControlPanelCommandRequest &value){};
 #endif
-#ifdef USE_TEXT
-  bool send_list_entities_text_response(const ListEntitiesTextResponse &msg);
-#endif
-#ifdef USE_TEXT
-  bool send_text_state_response(const TextStateResponse &msg);
-#endif
+
 #ifdef USE_TEXT
   virtual void on_text_command_request(const TextCommandRequest &value){};
 #endif
-#ifdef USE_DATETIME_DATE
-  bool send_list_entities_date_response(const ListEntitiesDateResponse &msg);
-#endif
-#ifdef USE_DATETIME_DATE
-  bool send_date_state_response(const DateStateResponse &msg);
-#endif
+
 #ifdef USE_DATETIME_DATE
   virtual void on_date_command_request(const DateCommandRequest &value){};
 #endif
-#ifdef USE_DATETIME_TIME
-  bool send_list_entities_time_response(const ListEntitiesTimeResponse &msg);
-#endif
-#ifdef USE_DATETIME_TIME
-  bool send_time_state_response(const TimeStateResponse &msg);
-#endif
+
 #ifdef USE_DATETIME_TIME
   virtual void on_time_command_request(const TimeCommandRequest &value){};
 #endif
-#ifdef USE_EVENT
-  bool send_list_entities_event_response(const ListEntitiesEventResponse &msg);
-#endif
-#ifdef USE_EVENT
-  bool send_event_response(const EventResponse &msg);
-#endif
-#ifdef USE_VALVE
-  bool send_list_entities_valve_response(const ListEntitiesValveResponse &msg);
-#endif
-#ifdef USE_VALVE
-  bool send_valve_state_response(const ValveStateResponse &msg);
-#endif
+
 #ifdef USE_VALVE
   virtual void on_valve_command_request(const ValveCommandRequest &value){};
 #endif
-#ifdef USE_DATETIME_DATETIME
-  bool send_list_entities_date_time_response(const ListEntitiesDateTimeResponse &msg);
-#endif
-#ifdef USE_DATETIME_DATETIME
-  bool send_date_time_state_response(const DateTimeStateResponse &msg);
-#endif
+
 #ifdef USE_DATETIME_DATETIME
   virtual void on_date_time_command_request(const DateTimeCommandRequest &value){};
 #endif
-#ifdef USE_UPDATE
-  bool send_list_entities_update_response(const ListEntitiesUpdateResponse &msg);
-#endif
-#ifdef USE_UPDATE
-  bool send_update_state_response(const UpdateStateResponse &msg);
-#endif
+
 #ifdef USE_UPDATE
   virtual void on_update_command_request(const UpdateCommandRequest &value){};
 #endif
@@ -358,17 +219,8 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_API_NOISE
   virtual NoiseEncryptionSetKeyResponse noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) = 0;
 #endif
-#ifdef USE_COVER
-  virtual void cover_command(const CoverCommandRequest &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;
@@ -376,39 +228,51 @@ 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
@@ -440,6 +304,9 @@ 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
@@ -469,17 +336,8 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_API_NOISE
   void on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) override;
 #endif
-#ifdef USE_COVER
-  void on_cover_command_request(const CoverCommandRequest &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;
@@ -487,39 +345,51 @@ 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
@@ -551,6 +421,9 @@ 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

@@ -24,10 +24,14 @@ 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; }
+APIServer::APIServer() {
+  global_api_server = this;
+  // Pre-allocate shared write buffer
+  shared_write_buffer_.reserve(64);
+}
 
 void APIServer::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up Home Assistant API server...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->setup_controller();
 
 #ifdef USE_API_NOISE
@@ -43,7 +47,7 @@ void APIServer::setup() {
   }
 #endif
 
-  this->socket_ = socket::socket_ip(SOCK_STREAM, 0);
+  this->socket_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0);  // monitored for incoming connections
   if (this->socket_ == nullptr) {
     ESP_LOGW(TAG, "Could not create socket");
     this->mark_failed();
@@ -88,6 +92,12 @@ void APIServer::setup() {
 #ifdef USE_LOGGER
   if (logger::global_logger != nullptr) {
     logger::global_logger->add_on_log_callback([this](int level, const char *tag, const char *message) {
+      if (this->shutting_down_) {
+        // Don't try to send logs during shutdown
+        // as it could result in a recursion and
+        // we would be filling a buffer we are trying to clear
+        return;
+      }
       for (auto &c : this->clients_) {
         if (!c->remove_)
           c->try_send_log_message(level, tag, message);
@@ -112,11 +122,12 @@ void APIServer::setup() {
 }
 
 void APIServer::loop() {
-  // Accept new clients
+  // Accept new clients only if the socket exists and has incoming connections
+  if (this->socket_ && this->socket_->ready()) {
     while (true) {
       struct sockaddr_storage source_addr;
       socklen_t addr_len = sizeof(source_addr);
-    auto sock = this->socket_->accept((struct sockaddr *) &source_addr, &addr_len);
+      auto sock = this->socket_->accept_loop_monitored((struct sockaddr *) &source_addr, &addr_len);
       if (!sock)
         break;
       ESP_LOGD(TAG, "Accepted %s", sock->getpeername().c_str());
@@ -125,27 +136,38 @@ void APIServer::loop() {
       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());
 
-  for (auto &client : this->clients_) {
+  // 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];
+
+      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) {
     const uint32_t now = millis();
     if (!this->is_connected()) {
       if (now - this->last_connected_ > this->reboot_timeout_) {
-        ESP_LOGE(TAG, "No client connected to API. Rebooting...");
+        ESP_LOGE(TAG, "No client connected; rebooting");
         App.reboot();
       }
       this->status_set_warning();
@@ -157,8 +179,10 @@ 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_);
+  ESP_LOGCONFIG(TAG,
+                "API Server:\n"
+                "  Address: %s:%u",
+                network::get_use_address().c_str(), this->port_);
 #ifdef USE_API_NOISE
   ESP_LOGCONFIG(TAG, "  Using noise encryption: %s", YESNO(this->noise_ctx_->has_psk()));
   if (!this->noise_ctx_->has_psk()) {
@@ -207,7 +231,7 @@ void APIServer::on_binary_sensor_update(binary_sensor::BinarySensor *obj, bool s
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_binary_sensor_state(obj, state);
+    c->send_binary_sensor_state(obj);
 }
 #endif
 
@@ -243,7 +267,7 @@ void APIServer::on_sensor_update(sensor::Sensor *obj, float state) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_sensor_state(obj, state);
+    c->send_sensor_state(obj);
 }
 #endif
 
@@ -252,7 +276,7 @@ void APIServer::on_switch_update(switch_::Switch *obj, bool state) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_switch_state(obj, state);
+    c->send_switch_state(obj);
 }
 #endif
 
@@ -261,7 +285,7 @@ void APIServer::on_text_sensor_update(text_sensor::TextSensor *obj, const std::s
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_text_sensor_state(obj, state);
+    c->send_text_sensor_state(obj);
 }
 #endif
 
@@ -279,7 +303,7 @@ void APIServer::on_number_update(number::Number *obj, float state) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_number_state(obj, state);
+    c->send_number_state(obj);
 }
 #endif
 
@@ -315,7 +339,7 @@ void APIServer::on_text_update(text::Text *obj, const std::string &state) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_text_state(obj, state);
+    c->send_text_state(obj);
 }
 #endif
 
@@ -324,7 +348,7 @@ void APIServer::on_select_update(select::Select *obj, const std::string &state,
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_select_state(obj, state);
+    c->send_select_state(obj);
 }
 #endif
 
@@ -333,7 +357,7 @@ void APIServer::on_lock_update(lock::Lock *obj) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_lock_state(obj, obj->state);
+    c->send_lock_state(obj);
 }
 #endif
 
@@ -384,6 +408,8 @@ void APIServer::set_port(uint16_t port) { this->port_ = port; }
 
 void APIServer::set_password(const std::string &password) { this->password_ = password; }
 
+void APIServer::set_batch_delay(uint32_t batch_delay) { this->batch_delay_ = batch_delay; }
+
 void APIServer::send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
   for (auto &client : this->clients_) {
     client->send_homeassistant_service_call(call);
@@ -442,7 +468,7 @@ bool APIServer::save_noise_psk(psk_t psk, bool make_active) {
       ESP_LOGW(TAG, "Disconnecting all clients to reset connections");
       this->set_noise_psk(psk);
       for (auto &c : this->clients_) {
-        c->send_disconnect_request(DisconnectRequest());
+        c->send_message(DisconnectRequest());
       }
     });
   }
@@ -462,10 +488,36 @@ void APIServer::request_time() {
 bool APIServer::is_connected() const { return !this->clients_.empty(); }
 
 void APIServer::on_shutdown() {
-  for (auto &c : this->clients_) {
-    c->send_disconnect_request(DisconnectRequest());
+  this->shutting_down_ = true;
+
+  // Close the listening socket to prevent new connections
+  if (this->socket_) {
+    this->socket_->close();
+    this->socket_ = nullptr;
   }
-  delay(10);
+
+  // Change batch delay to 5ms for quick flushing during shutdown
+  this->batch_delay_ = 5;
+
+  // Send disconnect requests to all connected clients
+  for (auto &c : this->clients_) {
+    if (!c->send_message(DisconnectRequest())) {
+      // If we can't send the disconnect request directly (tx_buffer full),
+      // schedule it in the batch so it will be sent with the 5ms timer
+      c->schedule_message_(nullptr, &APIConnection::try_send_disconnect_request, DisconnectRequest::MESSAGE_TYPE);
+    }
+  }
+}
+
+bool APIServer::teardown() {
+  // If network is disconnected, no point trying to flush buffers
+  if (!network::is_connected()) {
+    return true;
+  }
+  this->loop();
+
+  // Return true only when all clients have been torn down
+  return this->clients_.empty();
 }
 
 }  // namespace api

esphome/components/api/api_server.h

@@ -34,11 +34,17 @@ class APIServer : public Component, public Controller {
   void loop() override;
   void dump_config() override;
   void on_shutdown() override;
+  bool teardown() override;
   bool check_password(const std::string &password) const;
   bool uses_password() const;
   void set_port(uint16_t port);
   void set_password(const std::string &password);
   void set_reboot_timeout(uint32_t reboot_timeout);
+  void set_batch_delay(uint32_t batch_delay);
+  uint32_t get_batch_delay() const { return batch_delay_; }
+
+  // Get reference to shared buffer for API connections
+  std::vector<uint8_t> &get_shared_buffer_ref() { return shared_write_buffer_; }
 
 #ifdef USE_API_NOISE
   bool save_noise_psk(psk_t psk, bool make_active = true);
@@ -136,12 +142,15 @@ class APIServer : public Component, public Controller {
   }
 
  protected:
+  bool shutting_down_ = false;
   std::unique_ptr<socket::Socket> socket_ = nullptr;
   uint16_t port_{6053};
   uint32_t reboot_timeout_{300000};
+  uint32_t batch_delay_{100};
   uint32_t last_connected_{0};
   std::vector<std::unique_ptr<APIConnection>> clients_;
   std::string password_;
+  std::vector<uint8_t> shared_write_buffer_;  // Shared proto write buffer for all connections
   std::vector<HomeAssistantStateSubscription> state_subs_;
   std::vector<UserServiceDescriptor *> user_services_;
   Trigger<std::string, std::string> *client_connected_trigger_ = new Trigger<std::string, std::string>();

esphome/components/api/client.py

@@ -5,7 +5,7 @@ from datetime import datetime
 import logging
 from typing import TYPE_CHECKING, Any
 
-from aioesphomeapi import APIClient
+from aioesphomeapi import APIClient, parse_log_message
 from aioesphomeapi.log_runner import async_run
 
 from esphome.const import CONF_KEY, CONF_PASSWORD, CONF_PORT, __version__
@@ -46,9 +46,10 @@ async def async_run_logs(config: dict[str, Any], address: str) -> None:
         time_ = datetime.now()
         message: bytes = msg.message
         text = message.decode("utf8", "backslashreplace")
-        if dashboard:
-            text = text.replace("\033", "\\033")
-        print(f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}]{text}")
+        for parsed_msg in parse_log_message(
+            text, f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}]"
+        ):
+            print(parsed_msg.replace("\033", "\\033") if dashboard else parsed_msg)
 
     stop = await async_run(cli, on_log, name=name)
     try:

esphome/components/api/homeassistant_service.h

@@ -3,8 +3,8 @@
 #include "api_server.h"
 #ifdef USE_API
 #include "api_pb2.h"
-#include "esphome/core/helpers.h"
 #include "esphome/core/automation.h"
+#include "esphome/core/helpers.h"
 #include <vector>
 
 namespace esphome {

esphome/components/api/list_entities.cpp

@@ -73,7 +73,7 @@ bool ListEntitiesIterator::on_end() { return this->client_->send_list_info_done(
 ListEntitiesIterator::ListEntitiesIterator(APIConnection *client) : client_(client) {}
 bool ListEntitiesIterator::on_service(UserServiceDescriptor *service) {
   auto resp = service->encode_list_service_response();
-  return this->client_->send_list_entities_services_response(resp);
+  return this->client_->send_message(resp);
 }
 
 #ifdef USE_ESP32_CAMERA

esphome/components/api/proto.cpp

@@ -1,5 +1,6 @@
 #include "proto.h"
 #include <cinttypes>
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
 namespace esphome {

esphome/components/api/proto.h

@@ -1,8 +1,8 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/core/log.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 #include <vector>
 
@@ -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 (len == 0) {
       if (consumed != nullptr)
         *consumed = 0;
-
-    if (len == 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;
@@ -40,9 +50,12 @@ class ProtoVarInt {
       }
     }
 
-    return {};
+    if (consumed != nullptr)
+      *consumed = 0;
+    return {};  // Incomplete or invalid varint
   }
 
+  uint16_t as_uint16() const { return this->value_; }
   uint32_t as_uint32() const { return this->value_; }
   uint64_t as_uint64() const { return this->value_; }
   bool as_bool() const { return this->value_; }
@@ -71,6 +84,34 @@ 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 +190,18 @@ 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);
@@ -157,13 +210,13 @@ 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);
   }
   void encode_string(uint32_t field_id, const std::string &value, bool force = false) {
-    this->encode_string(field_id, value.data(), value.size());
+    this->encode_string(field_id, value.data(), value.size(), force);
   }
   void encode_bytes(uint32_t field_id, const uint8_t *data, size_t len, bool force = false) {
     this->encode_string(field_id, reinterpret_cast<const char *>(data), len, force);
@@ -171,26 +224,26 @@ 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 +253,7 @@ 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 +307,7 @@ 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 +329,7 @@ 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 +352,29 @@ 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;
-  virtual bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) = 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, uint16_t message_type) = 0;
   virtual bool read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) = 0;
 
-  template<class C> bool send_message_(const C &msg, uint32_t message_type) {
-    auto buffer = this->create_buffer();
+  // Optimized method that pre-allocates buffer based on message size
+  bool send_message_(const ProtoMessage &msg, uint16_t message_type) {
+    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.cpp

@@ -8,7 +8,7 @@ namespace api {
 
 #ifdef USE_BINARY_SENSOR
 bool InitialStateIterator::on_binary_sensor(binary_sensor::BinarySensor *binary_sensor) {
-  return this->client_->send_binary_sensor_state(binary_sensor, binary_sensor->state);
+  return this->client_->send_binary_sensor_state(binary_sensor);
 }
 #endif
 #ifdef USE_COVER
@@ -21,27 +21,21 @@ bool InitialStateIterator::on_fan(fan::Fan *fan) { return this->client_->send_fa
 bool InitialStateIterator::on_light(light::LightState *light) { return this->client_->send_light_state(light); }
 #endif
 #ifdef USE_SENSOR
-bool InitialStateIterator::on_sensor(sensor::Sensor *sensor) {
-  return this->client_->send_sensor_state(sensor, sensor->state);
-}
+bool InitialStateIterator::on_sensor(sensor::Sensor *sensor) { return this->client_->send_sensor_state(sensor); }
 #endif
 #ifdef USE_SWITCH
-bool InitialStateIterator::on_switch(switch_::Switch *a_switch) {
-  return this->client_->send_switch_state(a_switch, a_switch->state);
-}
+bool InitialStateIterator::on_switch(switch_::Switch *a_switch) { return this->client_->send_switch_state(a_switch); }
 #endif
 #ifdef USE_TEXT_SENSOR
 bool InitialStateIterator::on_text_sensor(text_sensor::TextSensor *text_sensor) {
-  return this->client_->send_text_sensor_state(text_sensor, text_sensor->state);
+  return this->client_->send_text_sensor_state(text_sensor);
 }
 #endif
 #ifdef USE_CLIMATE
 bool InitialStateIterator::on_climate(climate::Climate *climate) { return this->client_->send_climate_state(climate); }
 #endif
 #ifdef USE_NUMBER
-bool InitialStateIterator::on_number(number::Number *number) {
-  return this->client_->send_number_state(number, number->state);
-}
+bool InitialStateIterator::on_number(number::Number *number) { return this->client_->send_number_state(number); }
 #endif
 #ifdef USE_DATETIME_DATE
 bool InitialStateIterator::on_date(datetime::DateEntity *date) { return this->client_->send_date_state(date); }
@@ -55,15 +49,13 @@ bool InitialStateIterator::on_datetime(datetime::DateTimeEntity *datetime) {
 }
 #endif
 #ifdef USE_TEXT
-bool InitialStateIterator::on_text(text::Text *text) { return this->client_->send_text_state(text, text->state); }
+bool InitialStateIterator::on_text(text::Text *text) { return this->client_->send_text_state(text); }
 #endif
 #ifdef USE_SELECT
-bool InitialStateIterator::on_select(select::Select *select) {
-  return this->client_->send_select_state(select, select->state);
-}
+bool InitialStateIterator::on_select(select::Select *select) { return this->client_->send_select_state(select); }
 #endif
 #ifdef USE_LOCK
-bool InitialStateIterator::on_lock(lock::Lock *a_lock) { return this->client_->send_lock_state(a_lock, a_lock->state); }
+bool InitialStateIterator::on_lock(lock::Lock *a_lock) { return this->client_->send_lock_state(a_lock); }
 #endif
 #ifdef USE_VALVE
 bool InitialStateIterator::on_valve(valve::Valve *valve) { return this->client_->send_valve_state(valve); }

esphome/components/as3935/as3935.cpp

@@ -7,7 +7,7 @@ namespace as3935 {
 static const char *const TAG = "as3935";
 
 void AS3935Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AS3935...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   this->irq_pin_->setup();
   LOG_PIN("  IRQ Pin: ", this->irq_pin_);
@@ -282,7 +282,7 @@ void AS3935Component::display_oscillator(bool state, uint8_t osc) {
 // based on the resonance frequency of the antenna and so it should be trimmed
 // before the calibration is done.
 bool AS3935Component::calibrate_oscillator() {
-  ESP_LOGI(TAG, "Starting oscillators calibration...");
+  ESP_LOGI(TAG, "Starting oscillators calibration");
   this->write_register(CALIB_RCO, WIPE_ALL, DIRECT_COMMAND, 0);  // Send command to calibrate the oscillators
 
   this->display_oscillator(true, 2);
@@ -307,7 +307,7 @@ bool AS3935Component::calibrate_oscillator() {
 }
 
 void AS3935Component::tune_antenna() {
-  ESP_LOGI(TAG, "Starting antenna tuning...");
+  ESP_LOGI(TAG, "Starting antenna tuning");
   uint8_t div_ratio = this->read_div_ratio();
   uint8_t tune_val = this->read_capacitance();
   ESP_LOGI(TAG, "Division Ratio is set to: %d", div_ratio);

esphome/components/as3935_i2c/as3935_i2c.h

@@ -1,10 +1,7 @@
 #pragma once
 
-#include "esphome/core/component.h"
 #include "esphome/components/as3935/as3935.h"
 #include "esphome/components/i2c/i2c.h"
-#include "esphome/components/sensor/sensor.h"
-#include "esphome/components/binary_sensor/binary_sensor.h"
 
 namespace esphome {
 namespace as3935_i2c {

esphome/components/as5600/as5600.cpp

@@ -23,7 +23,7 @@ static const uint8_t REGISTER_AGC = 0x1A;        // 8 bytes  / R
 static const uint8_t REGISTER_MAGNITUDE = 0x1B;  // 16 bytes / R
 
 void AS5600Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AS5600...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   if (!this->read_byte(REGISTER_STATUS).has_value()) {
     this->mark_failed();
@@ -91,15 +91,17 @@ void AS5600Component::dump_config() {
   LOG_I2C_DEVICE(this);
 
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AS5600 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
     return;
   }
 
-  ESP_LOGCONFIG(TAG, "  Watchdog: %d", this->watchdog_);
-  ESP_LOGCONFIG(TAG, "  Fast Filter: %d", this->fast_filter_);
-  ESP_LOGCONFIG(TAG, "  Slow Filter: %d", this->slow_filter_);
-  ESP_LOGCONFIG(TAG, "  Hysteresis: %d", this->hysteresis_);
-  ESP_LOGCONFIG(TAG, "  Start Position: %d", this->start_position_);
+  ESP_LOGCONFIG(TAG,
+                "  Watchdog: %d\n"
+                "  Fast Filter: %d\n"
+                "  Slow Filter: %d\n"
+                "  Hysteresis: %d\n"
+                "  Start Position: %d",
+                this->watchdog_, this->fast_filter_, this->slow_filter_, this->hysteresis_, this->start_position_);
   if (this->end_mode_ == END_MODE_POSITION) {
     ESP_LOGCONFIG(TAG, "  End Position: %d", this->end_position_);
   } else {

esphome/components/as7341/as7341.cpp

@@ -8,7 +8,7 @@ namespace as7341 {
 static const char *const TAG = "as7341";
 
 void AS7341Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AS7341...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   LOG_I2C_DEVICE(this);
 
   // Verify device ID
@@ -38,12 +38,14 @@ void AS7341Component::dump_config() {
   ESP_LOGCONFIG(TAG, "AS7341:");
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with AS7341 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_UPDATE_INTERVAL(this);
-  ESP_LOGCONFIG(TAG, "  Gain: %u", get_gain());
-  ESP_LOGCONFIG(TAG, "  ATIME: %u", get_atime());
-  ESP_LOGCONFIG(TAG, "  ASTEP: %u", get_astep());
+  ESP_LOGCONFIG(TAG,
+                "  Gain: %u\n"
+                "  ATIME: %u\n"
+                "  ASTEP: %u",
+                get_gain(), get_atime(), get_astep());
 
   LOG_SENSOR("  ", "F1", this->f1_);
   LOG_SENSOR("  ", "F2", this->f2_);

esphome/components/as7341/as7341.h

@@ -7,7 +7,7 @@
 namespace esphome {
 namespace as7341 {
 
-static const uint8_t AS7341_CHIP_ID = 0X09;
+static const uint8_t AS7341_CHIP_ID = 0x09;
 
 static const uint8_t AS7341_CONFIG = 0x70;
 static const uint8_t AS7341_LED = 0x74;

esphome/components/at581x/at581x.cpp

@@ -71,19 +71,22 @@ bool AT581XComponent::i2c_read_reg(uint8_t addr, uint8_t &data) {
   return this->read_register(addr, &data, 1) == esphome::i2c::NO_ERROR;
 }
 
-void AT581XComponent::setup() { ESP_LOGCONFIG(TAG, "Setting up AT581X..."); }
+void AT581XComponent::setup() { ESP_LOGCONFIG(TAG, "Running setup"); }
 void AT581XComponent::dump_config() { LOG_I2C_DEVICE(this); }
 #define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0]))
 bool AT581XComponent::i2c_write_config() {
-  ESP_LOGCONFIG(TAG, "Writing new config for AT581X...");
-  ESP_LOGCONFIG(TAG, "Frequency: %dMHz", this->freq_);
-  ESP_LOGCONFIG(TAG, "Sensing distance: %d", this->delta_);
-  ESP_LOGCONFIG(TAG, "Power: %dµA", this->power_);
-  ESP_LOGCONFIG(TAG, "Gain: %d", this->gain_);
-  ESP_LOGCONFIG(TAG, "Trigger base time: %dms", this->trigger_base_time_ms_);
-  ESP_LOGCONFIG(TAG, "Trigger keep time: %dms", this->trigger_keep_time_ms_);
-  ESP_LOGCONFIG(TAG, "Protect time: %dms", this->protect_time_ms_);
-  ESP_LOGCONFIG(TAG, "Self check time: %dms", this->self_check_time_ms_);
+  ESP_LOGCONFIG(TAG,
+                "Writing new config for AT581X\n"
+                "Frequency: %dMHz\n"
+                "Sensing distance: %d\n"
+                "Power: %dµA\n"
+                "Gain: %d\n"
+                "Trigger base time: %dms\n"
+                "Trigger keep time: %dms\n"
+                "Protect time: %dms\n"
+                "Self check time: %dms",
+                this->freq_, this->delta_, this->power_, this->gain_, this->trigger_base_time_ms_,
+                this->trigger_keep_time_ms_, this->protect_time_ms_, this->self_check_time_ms_);
 
   // Set frequency point
   if (!this->i2c_write_reg(FREQ_ADDR, GAIN61_VALUE)) {

esphome/components/at581x/at581x.h

@@ -14,11 +14,8 @@ namespace esphome {
 namespace at581x {
 
 class AT581XComponent : public Component, public i2c::I2CDevice {
-#ifdef USE_SWITCH
- protected:
-  switch_::Switch *rf_power_switch_{nullptr};
-
  public:
+#ifdef USE_SWITCH
   void set_rf_power_switch(switch_::Switch *s) {
     this->rf_power_switch_ = s;
     s->turn_on();
@@ -48,6 +45,9 @@ class AT581XComponent : public Component, public i2c::I2CDevice {
   bool i2c_read_reg(uint8_t addr, uint8_t &data);
 
  protected:
+#ifdef USE_SWITCH
+  switch_::Switch *rf_power_switch_{nullptr};
+#endif
   int freq_;
   int self_check_time_ms_;   /*!< Power-on self-test time, range: 0 ~ 65536 ms */
   int protect_time_ms_;      /*!< Protection time, recommended 1000 ms */

esphome/components/atm90e26/atm90e26.cpp

@@ -41,7 +41,7 @@ void ATM90E26Component::update() {
 }
 
 void ATM90E26Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ATM90E26 Component...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->spi_setup();
 
   uint16_t mmode = 0x422;  // default values for everything but L/N line current gains
@@ -135,7 +135,7 @@ void ATM90E26Component::dump_config() {
   ESP_LOGCONFIG("", "ATM90E26:");
   LOG_PIN("  CS Pin: ", this->cs_);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with ATM90E26 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "Voltage A", this->voltage_sensor_);

esphome/components/atm90e32/__init__.py

@@ -3,5 +3,6 @@ import esphome.codegen as cg
 CODEOWNERS = ["@circuitsetup", "@descipher"]
 
 atm90e32_ns = cg.esphome_ns.namespace("atm90e32")
+ATM90E32Component = atm90e32_ns.class_("ATM90E32Component", cg.Component)
 
 CONF_ATM90E32_ID = "atm90e32_id"

esphome/components/atm90e32/atm90e32.cpp

@@ -1,7 +1,7 @@
 #include "atm90e32.h"
-#include "atm90e32_reg.h"
-#include "esphome/core/log.h"
 #include <cinttypes>
+#include <cmath>
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace atm90e32 {
@@ -11,116 +11,85 @@ void ATM90E32Component::loop() {
   if (this->get_publish_interval_flag_()) {
     this->set_publish_interval_flag_(false);
     for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].voltage_sensor_ != nullptr) {
+      if (this->phase_[phase].voltage_sensor_ != nullptr)
         this->phase_[phase].voltage_ = this->get_phase_voltage_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].current_sensor_ != nullptr) {
+
+      if (this->phase_[phase].current_sensor_ != nullptr)
         this->phase_[phase].current_ = this->get_phase_current_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].power_sensor_ != nullptr) {
+
+      if (this->phase_[phase].power_sensor_ != nullptr)
         this->phase_[phase].active_power_ = this->get_phase_active_power_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].power_factor_sensor_ != nullptr) {
+
+      if (this->phase_[phase].power_factor_sensor_ != nullptr)
         this->phase_[phase].power_factor_ = this->get_phase_power_factor_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].reactive_power_sensor_ != nullptr) {
+
+      if (this->phase_[phase].reactive_power_sensor_ != nullptr)
         this->phase_[phase].reactive_power_ = this->get_phase_reactive_power_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].forward_active_energy_sensor_ != nullptr) {
+
+      if (this->phase_[phase].apparent_power_sensor_ != nullptr)
+        this->phase_[phase].apparent_power_ = this->get_phase_apparent_power_(phase);
+
+      if (this->phase_[phase].forward_active_energy_sensor_ != nullptr)
         this->phase_[phase].forward_active_energy_ = this->get_phase_forward_active_energy_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].reverse_active_energy_sensor_ != nullptr) {
+
+      if (this->phase_[phase].reverse_active_energy_sensor_ != nullptr)
         this->phase_[phase].reverse_active_energy_ = this->get_phase_reverse_active_energy_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].phase_angle_sensor_ != nullptr) {
+
+      if (this->phase_[phase].phase_angle_sensor_ != nullptr)
         this->phase_[phase].phase_angle_ = this->get_phase_angle_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].harmonic_active_power_sensor_ != nullptr) {
+
+      if (this->phase_[phase].harmonic_active_power_sensor_ != nullptr)
         this->phase_[phase].harmonic_active_power_ = this->get_phase_harmonic_active_power_(phase);
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].peak_current_sensor_ != nullptr) {
+
+      if (this->phase_[phase].peak_current_sensor_ != nullptr)
         this->phase_[phase].peak_current_ = this->get_phase_peak_current_(phase);
-      }
-    }
-    // After the local store in collected we can publish them trusting they are withing +-1 haardware sampling
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].voltage_sensor_ != nullptr) {
+
+      // After the local store is collected we can publish them trusting they are within +-1 hardware sampling
+      if (this->phase_[phase].voltage_sensor_ != nullptr)
         this->phase_[phase].voltage_sensor_->publish_state(this->get_local_phase_voltage_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].current_sensor_ != nullptr) {
+
+      if (this->phase_[phase].current_sensor_ != nullptr)
         this->phase_[phase].current_sensor_->publish_state(this->get_local_phase_current_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].power_sensor_ != nullptr) {
+
+      if (this->phase_[phase].power_sensor_ != nullptr)
         this->phase_[phase].power_sensor_->publish_state(this->get_local_phase_active_power_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].power_factor_sensor_ != nullptr) {
+
+      if (this->phase_[phase].power_factor_sensor_ != nullptr)
         this->phase_[phase].power_factor_sensor_->publish_state(this->get_local_phase_power_factor_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].reactive_power_sensor_ != nullptr) {
+
+      if (this->phase_[phase].reactive_power_sensor_ != nullptr)
         this->phase_[phase].reactive_power_sensor_->publish_state(this->get_local_phase_reactive_power_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
+
+      if (this->phase_[phase].apparent_power_sensor_ != nullptr)
+        this->phase_[phase].apparent_power_sensor_->publish_state(this->get_local_phase_apparent_power_(phase));
+
       if (this->phase_[phase].forward_active_energy_sensor_ != nullptr) {
         this->phase_[phase].forward_active_energy_sensor_->publish_state(
             this->get_local_phase_forward_active_energy_(phase));
       }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
+
       if (this->phase_[phase].reverse_active_energy_sensor_ != nullptr) {
         this->phase_[phase].reverse_active_energy_sensor_->publish_state(
             this->get_local_phase_reverse_active_energy_(phase));
       }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].phase_angle_sensor_ != nullptr) {
+
+      if (this->phase_[phase].phase_angle_sensor_ != nullptr)
         this->phase_[phase].phase_angle_sensor_->publish_state(this->get_local_phase_angle_(phase));
-      }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
+
       if (this->phase_[phase].harmonic_active_power_sensor_ != nullptr) {
         this->phase_[phase].harmonic_active_power_sensor_->publish_state(
             this->get_local_phase_harmonic_active_power_(phase));
       }
-    }
-    for (uint8_t phase = 0; phase < 3; phase++) {
-      if (this->phase_[phase].peak_current_sensor_ != nullptr) {
+
+      if (this->phase_[phase].peak_current_sensor_ != nullptr)
         this->phase_[phase].peak_current_sensor_->publish_state(this->get_local_phase_peak_current_(phase));
     }
-    }
-    if (this->freq_sensor_ != nullptr) {
+    if (this->freq_sensor_ != nullptr)
       this->freq_sensor_->publish_state(this->get_frequency_());
-    }
-    if (this->chip_temperature_sensor_ != nullptr) {
+
+    if (this->chip_temperature_sensor_ != nullptr)
       this->chip_temperature_sensor_->publish_state(this->get_chip_temperature_());
   }
-  }
 }
 
 void ATM90E32Component::update() {
@@ -130,82 +99,30 @@ void ATM90E32Component::update() {
   }
   this->set_publish_interval_flag_(true);
   this->status_clear_warning();
-}
 
-void ATM90E32Component::restore_calibrations_() {
-  if (enable_offset_calibration_) {
-    this->pref_.load(&this->offset_phase_);
-  }
-};
-
-void ATM90E32Component::run_offset_calibrations() {
-  // Run the calibrations and
-  // Setup voltage and current calibration offsets for PHASE A
-  this->offset_phase_[PHASEA].voltage_offset_ = calibrate_voltage_offset_phase(PHASEA);
-  this->phase_[PHASEA].voltage_offset_ = this->offset_phase_[PHASEA].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETA, this->phase_[PHASEA].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEA].current_offset_ = calibrate_current_offset_phase(PHASEA);
-  this->phase_[PHASEA].current_offset_ = this->offset_phase_[PHASEA].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETA, this->phase_[PHASEA].current_offset_);  // C Current offset
-  // Setup voltage and current calibration offsets for PHASE B
-  this->offset_phase_[PHASEB].voltage_offset_ = calibrate_voltage_offset_phase(PHASEB);
-  this->phase_[PHASEB].voltage_offset_ = this->offset_phase_[PHASEB].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETB, this->phase_[PHASEB].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEB].current_offset_ = calibrate_current_offset_phase(PHASEB);
-  this->phase_[PHASEB].current_offset_ = this->offset_phase_[PHASEB].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETB, this->phase_[PHASEB].current_offset_);  // C Current offset
-  // Setup voltage and current calibration offsets for PHASE C
-  this->offset_phase_[PHASEC].voltage_offset_ = calibrate_voltage_offset_phase(PHASEC);
-  this->phase_[PHASEC].voltage_offset_ = this->offset_phase_[PHASEC].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETC, this->phase_[PHASEC].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEC].current_offset_ = calibrate_current_offset_phase(PHASEC);
-  this->phase_[PHASEC].current_offset_ = this->offset_phase_[PHASEC].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETC, this->phase_[PHASEC].current_offset_);  // C Current offset
-  this->pref_.save(&this->offset_phase_);
-  ESP_LOGI(TAG, "PhaseA Vo=%5d PhaseB Vo=%5d PhaseC Vo=%5d", this->offset_phase_[PHASEA].voltage_offset_,
-           this->offset_phase_[PHASEB].voltage_offset_, this->offset_phase_[PHASEC].voltage_offset_);
-  ESP_LOGI(TAG, "PhaseA Io=%5d PhaseB Io=%5d PhaseC Io=%5d", this->offset_phase_[PHASEA].current_offset_,
-           this->offset_phase_[PHASEB].current_offset_, this->offset_phase_[PHASEC].current_offset_);
-}
-
-void ATM90E32Component::clear_offset_calibrations() {
-  // Clear the calibrations and
-  this->offset_phase_[PHASEA].voltage_offset_ = 0;
-  this->phase_[PHASEA].voltage_offset_ = this->offset_phase_[PHASEA].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETA, this->phase_[PHASEA].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEA].current_offset_ = 0;
-  this->phase_[PHASEA].current_offset_ = this->offset_phase_[PHASEA].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETA, this->phase_[PHASEA].current_offset_);  // C Current offset
-  this->offset_phase_[PHASEB].voltage_offset_ = 0;
-  this->phase_[PHASEB].voltage_offset_ = this->offset_phase_[PHASEB].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETB, this->phase_[PHASEB].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEB].current_offset_ = 0;
-  this->phase_[PHASEB].current_offset_ = this->offset_phase_[PHASEB].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETB, this->phase_[PHASEB].current_offset_);  // C Current offset
-  this->offset_phase_[PHASEC].voltage_offset_ = 0;
-  this->phase_[PHASEC].voltage_offset_ = this->offset_phase_[PHASEC].voltage_offset_;
-  this->write16_(ATM90E32_REGISTER_UOFFSETC, this->phase_[PHASEC].voltage_offset_);  // C Voltage offset
-  this->offset_phase_[PHASEC].current_offset_ = 0;
-  this->phase_[PHASEC].current_offset_ = this->offset_phase_[PHASEC].current_offset_;
-  this->write16_(ATM90E32_REGISTER_IOFFSETC, this->phase_[PHASEC].current_offset_);  // C Current offset
-  this->pref_.save(&this->offset_phase_);
-  ESP_LOGI(TAG, "PhaseA Vo=%5d PhaseB Vo=%5d PhaseC Vo=%5d", this->offset_phase_[PHASEA].voltage_offset_,
-           this->offset_phase_[PHASEB].voltage_offset_, this->offset_phase_[PHASEC].voltage_offset_);
-  ESP_LOGI(TAG, "PhaseA Io=%5d PhaseB Io=%5d PhaseC Io=%5d", this->offset_phase_[PHASEA].current_offset_,
-           this->offset_phase_[PHASEB].current_offset_, this->offset_phase_[PHASEC].current_offset_);
+#ifdef USE_TEXT_SENSOR
+  this->check_phase_status();
+  this->check_over_current();
+  this->check_freq_status();
+#endif
 }
 
 void ATM90E32Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ATM90E32 Component...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->spi_setup();
-  if (this->enable_offset_calibration_) {
-    uint32_t hash = fnv1_hash(App.get_friendly_name());
-    this->pref_ = global_preferences->make_preference<Calibration[3]>(hash, true);
-    this->restore_calibrations_();
-  }
+
   uint16_t mmode0 = 0x87;  // 3P4W 50Hz
+  uint16_t high_thresh = 0;
+  uint16_t low_thresh = 0;
+
   if (line_freq_ == 60) {
     mmode0 |= 1 << 12;  // sets 12th bit to 1, 60Hz
+    // for freq threshold registers
+    high_thresh = 6300;  // 63.00 Hz
+    low_thresh = 5700;   // 57.00 Hz
+  } else {
+    high_thresh = 5300;  // 53.00 Hz
+    low_thresh = 4700;   // 47.00 Hz
   }
 
   if (current_phases_ == 2) {
@@ -216,33 +133,83 @@ void ATM90E32Component::setup() {
   this->write16_(ATM90E32_REGISTER_SOFTRESET, 0x789A);    // Perform soft reset
   delay(6);                                               // Wait for the minimum 5ms + 1ms
   this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x55AA);  // enable register config access
-  if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != 0x55AA) {
+  if (!this->validate_spi_read_(0x55AA, "setup()")) {
     ESP_LOGW(TAG, "Could not initialize ATM90E32 IC, check SPI settings");
     this->mark_failed();
     return;
   }
 
   this->write16_(ATM90E32_REGISTER_METEREN, 0x0001);        // Enable Metering
-  this->write16_(ATM90E32_REGISTER_SAGPEAKDETCFG, 0xFF3F);  // Peak Detector time ms (15:8), Sag Period ms (7:0)
+  this->write16_(ATM90E32_REGISTER_SAGPEAKDETCFG, 0xFF3F);  // Peak Detector time (15:8) 255ms, Sag Period (7:0) 63ms
   this->write16_(ATM90E32_REGISTER_PLCONSTH, 0x0861);       // PL Constant MSB (default) = 140625000
   this->write16_(ATM90E32_REGISTER_PLCONSTL, 0xC468);       // PL Constant LSB (default)
-  this->write16_(ATM90E32_REGISTER_ZXCONFIG, 0xD654);       // ZX2, ZX1, ZX0 pin config
+  this->write16_(ATM90E32_REGISTER_ZXCONFIG, 0xD654);       // Zero crossing (ZX2, ZX1, ZX0) pin config
   this->write16_(ATM90E32_REGISTER_MMODE0, mmode0);         // Mode Config (frequency set in main program)
   this->write16_(ATM90E32_REGISTER_MMODE1, pga_gain_);      // PGA Gain Configuration for Current Channels
+  this->write16_(ATM90E32_REGISTER_FREQHITH, high_thresh);  // Frequency high threshold
+  this->write16_(ATM90E32_REGISTER_FREQLOTH, low_thresh);   // Frequency low threshold
   this->write16_(ATM90E32_REGISTER_PSTARTTH, 0x1D4C);       // All Active Startup Power Threshold - 0.02A/0.00032 = 7500
   this->write16_(ATM90E32_REGISTER_QSTARTTH, 0x1D4C);       // All Reactive Startup Power Threshold - 50%
   this->write16_(ATM90E32_REGISTER_SSTARTTH, 0x1D4C);       // All Reactive Startup Power Threshold - 50%
   this->write16_(ATM90E32_REGISTER_PPHASETH, 0x02EE);       // Each Phase Active Phase Threshold - 0.002A/0.00032 = 750
   this->write16_(ATM90E32_REGISTER_QPHASETH, 0x02EE);       // Each phase Reactive Phase Threshold - 10%
-  // Setup voltage and current gain for PHASE A
-  this->write16_(ATM90E32_REGISTER_UGAINA, this->phase_[PHASEA].voltage_gain_);  // A Voltage rms gain
-  this->write16_(ATM90E32_REGISTER_IGAINA, this->phase_[PHASEA].ct_gain_);       // A line current gain
-  // Setup voltage and current gain for PHASE B
-  this->write16_(ATM90E32_REGISTER_UGAINB, this->phase_[PHASEB].voltage_gain_);  // B Voltage rms gain
-  this->write16_(ATM90E32_REGISTER_IGAINB, this->phase_[PHASEB].ct_gain_);       // B line current gain
-  // Setup voltage and current gain for PHASE C
-  this->write16_(ATM90E32_REGISTER_UGAINC, this->phase_[PHASEC].voltage_gain_);  // C Voltage rms gain
-  this->write16_(ATM90E32_REGISTER_IGAINC, this->phase_[PHASEC].ct_gain_);       // C line current gain
+
+  if (this->enable_offset_calibration_) {
+    // Initialize flash storage for offset calibrations
+    uint32_t o_hash = fnv1_hash(std::string("_offset_calibration_") + this->cs_->dump_summary());
+    this->offset_pref_ = global_preferences->make_preference<OffsetCalibration[3]>(o_hash, true);
+    this->restore_offset_calibrations_();
+
+    // Initialize flash storage for power offset calibrations
+    uint32_t po_hash = fnv1_hash(std::string("_power_offset_calibration_") + this->cs_->dump_summary());
+    this->power_offset_pref_ = global_preferences->make_preference<PowerOffsetCalibration[3]>(po_hash, true);
+    this->restore_power_offset_calibrations_();
+  } else {
+    ESP_LOGI(TAG, "[CALIBRATION] Power & Voltage/Current offset calibration is disabled. Using config file values.");
+    for (uint8_t phase = 0; phase < 3; ++phase) {
+      this->write16_(this->voltage_offset_registers[phase],
+                     static_cast<uint16_t>(this->offset_phase_[phase].voltage_offset_));
+      this->write16_(this->current_offset_registers[phase],
+                     static_cast<uint16_t>(this->offset_phase_[phase].current_offset_));
+      this->write16_(this->power_offset_registers[phase],
+                     static_cast<uint16_t>(this->power_offset_phase_[phase].active_power_offset));
+      this->write16_(this->reactive_power_offset_registers[phase],
+                     static_cast<uint16_t>(this->power_offset_phase_[phase].reactive_power_offset));
+    }
+  }
+
+  if (this->enable_gain_calibration_) {
+    // Initialize flash storage for gain calibration
+    uint32_t g_hash = fnv1_hash(std::string("_gain_calibration_") + this->cs_->dump_summary());
+    this->gain_calibration_pref_ = global_preferences->make_preference<GainCalibration[3]>(g_hash, true);
+    this->restore_gain_calibrations_();
+
+    if (this->using_saved_calibrations_) {
+      ESP_LOGI(TAG, "[CALIBRATION] Successfully restored gain calibration from memory.");
+    } else {
+      for (uint8_t phase = 0; phase < 3; ++phase) {
+        this->write16_(voltage_gain_registers[phase], this->phase_[phase].voltage_gain_);
+        this->write16_(current_gain_registers[phase], this->phase_[phase].ct_gain_);
+      }
+    }
+  } else {
+    ESP_LOGI(TAG, "[CALIBRATION] Gain calibration is disabled. Using config file values.");
+
+    for (uint8_t phase = 0; phase < 3; ++phase) {
+      this->write16_(voltage_gain_registers[phase], this->phase_[phase].voltage_gain_);
+      this->write16_(current_gain_registers[phase], this->phase_[phase].ct_gain_);
+    }
+  }
+
+  // Sag threshold (78%)
+  uint16_t sagth = calculate_voltage_threshold(line_freq_, this->phase_[0].voltage_gain_, 0.78f);
+  // Overvoltage threshold (122%)
+  uint16_t ovth = calculate_voltage_threshold(line_freq_, this->phase_[0].voltage_gain_, 1.22f);
+
+  // Write to registers
+  this->write16_(ATM90E32_REGISTER_SAGTH, sagth);
+  this->write16_(ATM90E32_REGISTER_OVTH, ovth);
+
   this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x0000);  // end configuration
 }
 
@@ -250,13 +217,14 @@ void ATM90E32Component::dump_config() {
   ESP_LOGCONFIG("", "ATM90E32:");
   LOG_PIN("  CS Pin: ", this->cs_);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with ATM90E32 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
   }
   LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "Voltage A", this->phase_[PHASEA].voltage_sensor_);
   LOG_SENSOR("  ", "Current A", this->phase_[PHASEA].current_sensor_);
   LOG_SENSOR("  ", "Power A", this->phase_[PHASEA].power_sensor_);
   LOG_SENSOR("  ", "Reactive Power A", this->phase_[PHASEA].reactive_power_sensor_);
+  LOG_SENSOR("  ", "Apparent Power A", this->phase_[PHASEA].apparent_power_sensor_);
   LOG_SENSOR("  ", "PF A", this->phase_[PHASEA].power_factor_sensor_);
   LOG_SENSOR("  ", "Active Forward Energy A", this->phase_[PHASEA].forward_active_energy_sensor_);
   LOG_SENSOR("  ", "Active Reverse Energy A", this->phase_[PHASEA].reverse_active_energy_sensor_);
@@ -267,22 +235,24 @@ void ATM90E32Component::dump_config() {
   LOG_SENSOR("  ", "Current B", this->phase_[PHASEB].current_sensor_);
   LOG_SENSOR("  ", "Power B", this->phase_[PHASEB].power_sensor_);
   LOG_SENSOR("  ", "Reactive Power B", this->phase_[PHASEB].reactive_power_sensor_);
+  LOG_SENSOR("  ", "Apparent Power B", this->phase_[PHASEB].apparent_power_sensor_);
   LOG_SENSOR("  ", "PF B", this->phase_[PHASEB].power_factor_sensor_);
   LOG_SENSOR("  ", "Active Forward Energy B", this->phase_[PHASEB].forward_active_energy_sensor_);
   LOG_SENSOR("  ", "Active Reverse Energy B", this->phase_[PHASEB].reverse_active_energy_sensor_);
-  LOG_SENSOR("  ", "Harmonic Power A", this->phase_[PHASEB].harmonic_active_power_sensor_);
-  LOG_SENSOR("  ", "Phase Angle A", this->phase_[PHASEB].phase_angle_sensor_);
-  LOG_SENSOR("  ", "Peak Current A", this->phase_[PHASEB].peak_current_sensor_);
+  LOG_SENSOR("  ", "Harmonic Power B", this->phase_[PHASEB].harmonic_active_power_sensor_);
+  LOG_SENSOR("  ", "Phase Angle B", this->phase_[PHASEB].phase_angle_sensor_);
+  LOG_SENSOR("  ", "Peak Current B", this->phase_[PHASEB].peak_current_sensor_);
   LOG_SENSOR("  ", "Voltage C", this->phase_[PHASEC].voltage_sensor_);
   LOG_SENSOR("  ", "Current C", this->phase_[PHASEC].current_sensor_);
   LOG_SENSOR("  ", "Power C", this->phase_[PHASEC].power_sensor_);
   LOG_SENSOR("  ", "Reactive Power C", this->phase_[PHASEC].reactive_power_sensor_);
+  LOG_SENSOR("  ", "Apparent Power C", this->phase_[PHASEC].apparent_power_sensor_);
   LOG_SENSOR("  ", "PF C", this->phase_[PHASEC].power_factor_sensor_);
   LOG_SENSOR("  ", "Active Forward Energy C", this->phase_[PHASEC].forward_active_energy_sensor_);
   LOG_SENSOR("  ", "Active Reverse Energy C", this->phase_[PHASEC].reverse_active_energy_sensor_);
-  LOG_SENSOR("  ", "Harmonic Power A", this->phase_[PHASEC].harmonic_active_power_sensor_);
-  LOG_SENSOR("  ", "Phase Angle A", this->phase_[PHASEC].phase_angle_sensor_);
-  LOG_SENSOR("  ", "Peak Current A", this->phase_[PHASEC].peak_current_sensor_);
+  LOG_SENSOR("  ", "Harmonic Power C", this->phase_[PHASEC].harmonic_active_power_sensor_);
+  LOG_SENSOR("  ", "Phase Angle C", this->phase_[PHASEC].phase_angle_sensor_);
+  LOG_SENSOR("  ", "Peak Current C", this->phase_[PHASEC].peak_current_sensor_);
   LOG_SENSOR("  ", "Frequency", this->freq_sensor_);
   LOG_SENSOR("  ", "Chip Temp", this->chip_temperature_sensor_);
 }
@@ -298,7 +268,7 @@ uint16_t ATM90E32Component::read16_(uint16_t a_register) {
   uint8_t data[2];
   uint16_t output;
   this->enable();
-  delay_microseconds_safe(10);
+  delay_microseconds_safe(1);  // min delay between CS low and first SCK is 200ns - 1ms is plenty
   this->write_byte(addrh);
   this->write_byte(addrl);
   this->read_array(data, 2);
@@ -328,8 +298,7 @@ void ATM90E32Component::write16_(uint16_t a_register, uint16_t val) {
   this->write_byte16(a_register);
   this->write_byte16(val);
   this->disable();
-  if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != val)
-    ESP_LOGW(TAG, "SPI write error 0x%04X val 0x%04X", a_register, val);
+  this->validate_spi_read_(val, "write16()");
 }
 
 float ATM90E32Component::get_local_phase_voltage_(uint8_t phase) { return this->phase_[phase].voltage_; }
@@ -340,6 +309,8 @@ float ATM90E32Component::get_local_phase_active_power_(uint8_t phase) { return t
 
 float ATM90E32Component::get_local_phase_reactive_power_(uint8_t phase) { return this->phase_[phase].reactive_power_; }
 
+float ATM90E32Component::get_local_phase_apparent_power_(uint8_t phase) { return this->phase_[phase].apparent_power_; }
+
 float ATM90E32Component::get_local_phase_power_factor_(uint8_t phase) { return this->phase_[phase].power_factor_; }
 
 float ATM90E32Component::get_local_phase_forward_active_energy_(uint8_t phase) {
@@ -360,8 +331,7 @@ float ATM90E32Component::get_local_phase_peak_current_(uint8_t phase) { return t
 
 float ATM90E32Component::get_phase_voltage_(uint8_t phase) {
   const uint16_t voltage = this->read16_(ATM90E32_REGISTER_URMS + phase);
-  if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != voltage)
-    ESP_LOGW(TAG, "SPI URMS voltage register read error.");
+  this->validate_spi_read_(voltage, "get_phase_voltage()");
   return (float) voltage / 100;
 }
 
@@ -371,8 +341,7 @@ float ATM90E32Component::get_phase_voltage_avg_(uint8_t phase) {
   uint16_t voltage = 0;
   for (uint8_t i = 0; i < reads; i++) {
     voltage = this->read16_(ATM90E32_REGISTER_URMS + phase);
-    if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != voltage)
-      ESP_LOGW(TAG, "SPI URMS voltage register read error.");
+    this->validate_spi_read_(voltage, "get_phase_voltage_avg_()");
     accumulation += voltage;
   }
   voltage = accumulation / reads;
@@ -386,8 +355,7 @@ float ATM90E32Component::get_phase_current_avg_(uint8_t phase) {
   uint16_t current = 0;
   for (uint8_t i = 0; i < reads; i++) {
     current = this->read16_(ATM90E32_REGISTER_IRMS + phase);
-    if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != current)
-      ESP_LOGW(TAG, "SPI IRMS current register read error.");
+    this->validate_spi_read_(current, "get_phase_current_avg_()");
     accumulation += current;
   }
   current = accumulation / reads;
@@ -397,8 +365,7 @@ float ATM90E32Component::get_phase_current_avg_(uint8_t phase) {
 
 float ATM90E32Component::get_phase_current_(uint8_t phase) {
   const uint16_t current = this->read16_(ATM90E32_REGISTER_IRMS + phase);
-  if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != current)
-    ESP_LOGW(TAG, "SPI IRMS current register read error.");
+  this->validate_spi_read_(current, "get_phase_current_()");
   return (float) current / 1000;
 }
 
@@ -412,11 +379,15 @@ float ATM90E32Component::get_phase_reactive_power_(uint8_t phase) {
   return val * 0.00032f;
 }
 
+float ATM90E32Component::get_phase_apparent_power_(uint8_t phase) {
+  const int val = this->read32_(ATM90E32_REGISTER_SMEAN + phase, ATM90E32_REGISTER_SMEANLSB + phase);
+  return val * 0.00032f;
+}
+
 float ATM90E32Component::get_phase_power_factor_(uint8_t phase) {
-  const int16_t powerfactor = this->read16_(ATM90E32_REGISTER_PFMEAN + phase);
-  if (this->read16_(ATM90E32_REGISTER_LASTSPIDATA) != powerfactor)
-    ESP_LOGW(TAG, "SPI power factor read error.");
-  return (float) powerfactor / 1000;
+  uint16_t powerfactor = this->read16_(ATM90E32_REGISTER_PFMEAN + phase);  // unsigned to compare to lastspidata
+  this->validate_spi_read_(powerfactor, "get_phase_power_factor_()");
+  return (float) ((int16_t) powerfactor) / 1000;  // make it signed again
 }
 
 float ATM90E32Component::get_phase_forward_active_energy_(uint8_t phase) {
@@ -426,17 +397,19 @@ float ATM90E32Component::get_phase_forward_active_energy_(uint8_t phase) {
   } else {
     this->phase_[phase].cumulative_forward_active_energy_ = val;
   }
-  return ((float) this->phase_[phase].cumulative_forward_active_energy_ * 10 / 3200);
+  // 0.01CF resolution = 0.003125 Wh per count
+  return ((float) this->phase_[phase].cumulative_forward_active_energy_ * (10.0f / 3200.0f));
 }
 
 float ATM90E32Component::get_phase_reverse_active_energy_(uint8_t phase) {
-  const uint16_t val = this->read16_(ATM90E32_REGISTER_ANENERGY);
+  const uint16_t val = this->read16_(ATM90E32_REGISTER_ANENERGY + phase);
   if (UINT32_MAX - this->phase_[phase].cumulative_reverse_active_energy_ > val) {
     this->phase_[phase].cumulative_reverse_active_energy_ += val;
   } else {
     this->phase_[phase].cumulative_reverse_active_energy_ = val;
   }
-  return ((float) this->phase_[phase].cumulative_reverse_active_energy_ * 10 / 3200);
+  // 0.01CF resolution = 0.003125 Wh per count
+  return ((float) this->phase_[phase].cumulative_reverse_active_energy_ * (10.0f / 3200.0f));
 }
 
 float ATM90E32Component::get_phase_harmonic_active_power_(uint8_t phase) {
@@ -446,15 +419,15 @@ float ATM90E32Component::get_phase_harmonic_active_power_(uint8_t phase) {
 
 float ATM90E32Component::get_phase_angle_(uint8_t phase) {
   uint16_t val = this->read16_(ATM90E32_REGISTER_PANGLE + phase) / 10.0;
-  return (float) (val > 180) ? val - 360.0 : val;
+  return (val > 180) ? (float) (val - 360.0f) : (float) val;
 }
 
 float ATM90E32Component::get_phase_peak_current_(uint8_t phase) {
   int16_t val = (float) this->read16_(ATM90E32_REGISTER_IPEAK + phase);
   if (!this->peak_current_signed_)
-    val = abs(val);
+    val = std::abs(val);
   // phase register * phase current gain value  / 1000 * 2^13
-  return (float) (val * this->phase_[phase].ct_gain_ / 8192000.0);
+  return (val * this->phase_[phase].ct_gain_ / 8192000.0);
 }
 
 float ATM90E32Component::get_frequency_() {
@@ -467,29 +440,433 @@ float ATM90E32Component::get_chip_temperature_() {
   return (float) ctemp;
 }
 
-uint16_t ATM90E32Component::calibrate_voltage_offset_phase(uint8_t phase) {
-  const uint8_t num_reads = 5;
-  uint64_t total_value = 0;
-  for (int i = 0; i < num_reads; ++i) {
-    const uint32_t measurement_value = read32_(ATM90E32_REGISTER_URMS + phase, ATM90E32_REGISTER_URMSLSB + phase);
-    total_value += measurement_value;
+void ATM90E32Component::run_gain_calibrations() {
+  if (!this->enable_gain_calibration_) {
+    ESP_LOGW(TAG, "[CALIBRATION] Gain calibration is disabled! Enable it first with enable_gain_calibration: true");
+    return;
   }
-  const uint32_t average_value = total_value / num_reads;
-  const uint32_t shifted_value = average_value >> 7;
-  const uint32_t voltage_offset = ~shifted_value + 1;
-  return voltage_offset & 0xFFFF;  // Take the lower 16 bits
+
+  float ref_voltages[3] = {
+      this->get_reference_voltage(0),
+      this->get_reference_voltage(1),
+      this->get_reference_voltage(2),
+  };
+  float ref_currents[3] = {this->get_reference_current(0), this->get_reference_current(1),
+                           this->get_reference_current(2)};
+
+  ESP_LOGI(TAG, "[CALIBRATION] ");
+  ESP_LOGI(TAG, "[CALIBRATION] ========================= Gain Calibration  =========================");
+  ESP_LOGI(TAG, "[CALIBRATION] ---------------------------------------------------------------------");
+  ESP_LOGI(TAG,
+           "[CALIBRATION] | Phase | V_meas (V) | I_meas (A) | V_ref | I_ref  | V_gain (old→new) | I_gain (old→new) |");
+  ESP_LOGI(TAG, "[CALIBRATION] ---------------------------------------------------------------------");
+
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    float measured_voltage = this->get_phase_voltage_avg_(phase);
+    float measured_current = this->get_phase_current_avg_(phase);
+
+    float ref_voltage = ref_voltages[phase];
+    float ref_current = ref_currents[phase];
+
+    uint16_t current_voltage_gain = this->read16_(voltage_gain_registers[phase]);
+    uint16_t current_current_gain = this->read16_(current_gain_registers[phase]);
+
+    bool did_voltage = false;
+    bool did_current = false;
+
+    // Voltage calibration
+    if (ref_voltage <= 0.0f) {
+      ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Skipping voltage calibration: reference voltage is 0.",
+               phase_labels[phase]);
+    } else if (measured_voltage == 0.0f) {
+      ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Skipping voltage calibration: measured voltage is 0.",
+               phase_labels[phase]);
+    } else {
+      uint32_t new_voltage_gain = static_cast<uint16_t>((ref_voltage / measured_voltage) * current_voltage_gain);
+      if (new_voltage_gain == 0) {
+        ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Voltage gain would be 0. Check reference and measured voltage.",
+                 phase_labels[phase]);
+      } else {
+        if (new_voltage_gain >= 65535) {
+          ESP_LOGW(
+              TAG,
+              "[CALIBRATION] Phase %s - Voltage gain exceeds 65535. You may need a higher output voltage transformer.",
+              phase_labels[phase]);
+          new_voltage_gain = 65535;
+        }
+        this->gain_phase_[phase].voltage_gain = static_cast<uint16_t>(new_voltage_gain);
+        did_voltage = true;
+      }
+    }
+
+    // Current calibration
+    if (ref_current == 0.0f) {
+      ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Skipping current calibration: reference current is 0.",
+               phase_labels[phase]);
+    } else if (measured_current == 0.0f) {
+      ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Skipping current calibration: measured current is 0.",
+               phase_labels[phase]);
+    } else {
+      uint32_t new_current_gain = static_cast<uint16_t>((ref_current / measured_current) * current_current_gain);
+      if (new_current_gain == 0) {
+        ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Current gain would be 0. Check reference and measured current.",
+                 phase_labels[phase]);
+      } else {
+        if (new_current_gain >= 65535) {
+          ESP_LOGW(TAG, "[CALIBRATION] Phase %s - Current gain exceeds 65535. You may need to turn up pga gain.",
+                   phase_labels[phase]);
+          new_current_gain = 65535;
+        }
+        this->gain_phase_[phase].current_gain = static_cast<uint16_t>(new_current_gain);
+        did_current = true;
+      }
+    }
+
+    // Final row output
+    ESP_LOGI(TAG, "[CALIBRATION] |   %c   |  %9.2f |  %9.4f | %5.2f | %6.4f |  %5u → %-5u  |  %5u → %-5u  |",
+             'A' + phase, measured_voltage, measured_current, ref_voltage, ref_current, current_voltage_gain,
+             did_voltage ? this->gain_phase_[phase].voltage_gain : current_voltage_gain, current_current_gain,
+             did_current ? this->gain_phase_[phase].current_gain : current_current_gain);
+  }
+
+  ESP_LOGI(TAG, "[CALIBRATION] =====================================================================\n");
+
+  this->save_gain_calibration_to_memory_();
+  this->write_gains_to_registers_();
+  this->verify_gain_writes_();
 }
 
-uint16_t ATM90E32Component::calibrate_current_offset_phase(uint8_t phase) {
+void ATM90E32Component::save_gain_calibration_to_memory_() {
+  bool success = this->gain_calibration_pref_.save(&this->gain_phase_);
+  if (success) {
+    this->using_saved_calibrations_ = true;
+    ESP_LOGI(TAG, "[CALIBRATION] Gain calibration saved to memory.");
+  } else {
+    this->using_saved_calibrations_ = false;
+    ESP_LOGE(TAG, "[CALIBRATION] Failed to save gain calibration to memory!");
+  }
+}
+
+void ATM90E32Component::run_offset_calibrations() {
+  if (!this->enable_offset_calibration_) {
+    ESP_LOGW(TAG, "[CALIBRATION] Offset calibration is disabled! Enable it first with enable_offset_calibration: true");
+    return;
+  }
+
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    int16_t voltage_offset = calibrate_offset(phase, true);
+    int16_t current_offset = calibrate_offset(phase, false);
+
+    this->write_offsets_to_registers_(phase, voltage_offset, current_offset);
+
+    ESP_LOGI(TAG, "[CALIBRATION] Phase %c - offset_voltage: %d, offset_current: %d", 'A' + phase, voltage_offset,
+             current_offset);
+  }
+
+  this->offset_pref_.save(&this->offset_phase_);  // Save to flash
+}
+
+void ATM90E32Component::run_power_offset_calibrations() {
+  if (!this->enable_offset_calibration_) {
+    ESP_LOGW(
+        TAG,
+        "[CALIBRATION] Offset power calibration is disabled! Enable it first with enable_offset_calibration: true");
+    return;
+  }
+
+  for (uint8_t phase = 0; phase < 3; ++phase) {
+    int16_t active_offset = calibrate_power_offset(phase, false);
+    int16_t reactive_offset = calibrate_power_offset(phase, true);
+
+    this->write_power_offsets_to_registers_(phase, active_offset, reactive_offset);
+
+    ESP_LOGI(TAG, "[CALIBRATION] Phase %c - offset_active_power: %d, offset_reactive_power: %d", 'A' + phase,
+             active_offset, reactive_offset);
+  }
+
+  this->power_offset_pref_.save(&this->power_offset_phase_);  // Save to flash
+}
+
+void ATM90E32Component::write_gains_to_registers_() {
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x55AA);
+
+  for (int phase = 0; phase < 3; phase++) {
+    this->write16_(voltage_gain_registers[phase], this->gain_phase_[phase].voltage_gain);
+    this->write16_(current_gain_registers[phase], this->gain_phase_[phase].current_gain);
+  }
+
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x0000);
+}
+
+void ATM90E32Component::write_offsets_to_registers_(uint8_t phase, int16_t voltage_offset, int16_t current_offset) {
+  // Save to runtime
+  this->offset_phase_[phase].voltage_offset_ = voltage_offset;
+  this->phase_[phase].voltage_offset_ = voltage_offset;
+
+  // Save to flash-storable struct
+  this->offset_phase_[phase].current_offset_ = current_offset;
+  this->phase_[phase].current_offset_ = current_offset;
+
+  // Write to registers
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x55AA);
+  this->write16_(voltage_offset_registers[phase], static_cast<uint16_t>(voltage_offset));
+  this->write16_(current_offset_registers[phase], static_cast<uint16_t>(current_offset));
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x0000);
+}
+
+void ATM90E32Component::write_power_offsets_to_registers_(uint8_t phase, int16_t p_offset, int16_t q_offset) {
+  // Save to runtime
+  this->phase_[phase].active_power_offset_ = p_offset;
+  this->phase_[phase].reactive_power_offset_ = q_offset;
+
+  // Save to flash-storable struct
+  this->power_offset_phase_[phase].active_power_offset = p_offset;
+  this->power_offset_phase_[phase].reactive_power_offset = q_offset;
+
+  // Write to registers
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x55AA);
+  this->write16_(this->power_offset_registers[phase], static_cast<uint16_t>(p_offset));
+  this->write16_(this->reactive_power_offset_registers[phase], static_cast<uint16_t>(q_offset));
+  this->write16_(ATM90E32_REGISTER_CFGREGACCEN, 0x0000);
+}
+
+void ATM90E32Component::restore_gain_calibrations_() {
+  if (this->gain_calibration_pref_.load(&this->gain_phase_)) {
+    ESP_LOGI(TAG, "[CALIBRATION] Restoring saved gain calibrations to registers:");
+
+    for (uint8_t phase = 0; phase < 3; phase++) {
+      uint16_t v_gain = this->gain_phase_[phase].voltage_gain;
+      uint16_t i_gain = this->gain_phase_[phase].current_gain;
+      ESP_LOGI(TAG, "[CALIBRATION]   Phase %c - Voltage Gain: %u, Current Gain: %u", 'A' + phase, v_gain, i_gain);
+    }
+
+    this->write_gains_to_registers_();
+
+    if (this->verify_gain_writes_()) {
+      this->using_saved_calibrations_ = true;
+      ESP_LOGI(TAG, "[CALIBRATION] Gain calibration loaded and verified successfully.");
+    } else {
+      this->using_saved_calibrations_ = false;
+      ESP_LOGE(TAG, "[CALIBRATION] Gain verification failed! Calibration may not be applied correctly.");
+    }
+  } else {
+    this->using_saved_calibrations_ = false;
+    ESP_LOGW(TAG, "[CALIBRATION] No stored gain calibrations found. Using config file values.");
+  }
+}
+
+void ATM90E32Component::restore_offset_calibrations_() {
+  if (this->offset_pref_.load(&this->offset_phase_)) {
+    ESP_LOGI(TAG, "[CALIBRATION] Successfully restored offset calibration from memory.");
+
+    for (uint8_t phase = 0; phase < 3; phase++) {
+      auto &offset = this->offset_phase_[phase];
+      write_offsets_to_registers_(phase, offset.voltage_offset_, offset.current_offset_);
+      ESP_LOGI(TAG, "[CALIBRATION] Phase %c - offset_voltage:: %d, offset_current: %d", 'A' + phase,
+               offset.voltage_offset_, offset.current_offset_);
+    }
+  } else {
+    ESP_LOGW(TAG, "[CALIBRATION] No stored offset calibrations found. Using default values.");
+  }
+}
+
+void ATM90E32Component::restore_power_offset_calibrations_() {
+  if (this->power_offset_pref_.load(&this->power_offset_phase_)) {
+    ESP_LOGI(TAG, "[CALIBRATION] Successfully restored power offset calibration from memory.");
+
+    for (uint8_t phase = 0; phase < 3; ++phase) {
+      auto &offset = this->power_offset_phase_[phase];
+      write_power_offsets_to_registers_(phase, offset.active_power_offset, offset.reactive_power_offset);
+      ESP_LOGI(TAG, "[CALIBRATION] Phase %c - offset_active_power: %d, offset_reactive_power: %d", 'A' + phase,
+               offset.active_power_offset, offset.reactive_power_offset);
+    }
+  } else {
+    ESP_LOGW(TAG, "[CALIBRATION] No stored power offsets found. Using default values.");
+  }
+}
+
+void ATM90E32Component::clear_gain_calibrations() {
+  ESP_LOGI(TAG, "[CALIBRATION] Clearing stored gain calibrations and restoring config-defined values");
+
+  for (int phase = 0; phase < 3; phase++) {
+    gain_phase_[phase].voltage_gain = this->phase_[phase].voltage_gain_;
+    gain_phase_[phase].current_gain = this->phase_[phase].ct_gain_;
+  }
+
+  bool success = this->gain_calibration_pref_.save(&this->gain_phase_);
+  this->using_saved_calibrations_ = false;
+
+  if (success) {
+    ESP_LOGI(TAG, "[CALIBRATION] Gain calibrations cleared. Config values restored:");
+    for (int phase = 0; phase < 3; phase++) {
+      ESP_LOGI(TAG, "[CALIBRATION]   Phase %c - Voltage Gain: %u, Current Gain: %u", 'A' + phase,
+               gain_phase_[phase].voltage_gain, gain_phase_[phase].current_gain);
+    }
+  } else {
+    ESP_LOGE(TAG, "[CALIBRATION] Failed to clear gain calibrations!");
+  }
+
+  this->write_gains_to_registers_();  // Apply them to the chip immediately
+}
+
+void ATM90E32Component::clear_offset_calibrations() {
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    this->write_offsets_to_registers_(phase, 0, 0);
+  }
+
+  this->offset_pref_.save(&this->offset_phase_);  // Save cleared values to flash memory
+
+  ESP_LOGI(TAG, "[CALIBRATION] Offsets cleared.");
+}
+
+void ATM90E32Component::clear_power_offset_calibrations() {
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    this->write_power_offsets_to_registers_(phase, 0, 0);
+  }
+
+  this->power_offset_pref_.save(&this->power_offset_phase_);
+
+  ESP_LOGI(TAG, "[CALIBRATION] Power offsets cleared.");
+}
+
+int16_t ATM90E32Component::calibrate_offset(uint8_t phase, bool voltage) {
   const uint8_t num_reads = 5;
   uint64_t total_value = 0;
-  for (int i = 0; i < num_reads; ++i) {
-    const uint32_t measurement_value = read32_(ATM90E32_REGISTER_IRMS + phase, ATM90E32_REGISTER_IRMSLSB + phase);
-    total_value += measurement_value;
+
+  for (uint8_t i = 0; i < num_reads; ++i) {
+    uint32_t reading = voltage ? this->read32_(ATM90E32_REGISTER_URMS + phase, ATM90E32_REGISTER_URMSLSB + phase)
+                               : this->read32_(ATM90E32_REGISTER_IRMS + phase, ATM90E32_REGISTER_IRMSLSB + phase);
+    total_value += reading;
   }
+
   const uint32_t average_value = total_value / num_reads;
-  const uint32_t current_offset = ~average_value + 1;
-  return current_offset & 0xFFFF;  // Take the lower 16 bits
+  const uint32_t shifted = average_value >> 7;
+  const uint32_t offset = ~shifted + 1;
+  return static_cast<int16_t>(offset);  // Takes lower 16 bits
+}
+
+int16_t ATM90E32Component::calibrate_power_offset(uint8_t phase, bool reactive) {
+  const uint8_t num_reads = 5;
+  uint64_t total_value = 0;
+
+  for (uint8_t i = 0; i < num_reads; ++i) {
+    uint32_t reading = reactive ? this->read32_(ATM90E32_REGISTER_QMEAN + phase, ATM90E32_REGISTER_QMEANLSB + phase)
+                                : this->read32_(ATM90E32_REGISTER_PMEAN + phase, ATM90E32_REGISTER_PMEANLSB + phase);
+    total_value += reading;
+  }
+
+  const uint32_t average_value = total_value / num_reads;
+  const uint32_t power_offset = ~average_value + 1;
+  return static_cast<int16_t>(power_offset);  // Takes the lower 16 bits
+}
+
+bool ATM90E32Component::verify_gain_writes_() {
+  bool success = true;
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    uint16_t read_voltage = this->read16_(voltage_gain_registers[phase]);
+    uint16_t read_current = this->read16_(current_gain_registers[phase]);
+
+    if (read_voltage != this->gain_phase_[phase].voltage_gain ||
+        read_current != this->gain_phase_[phase].current_gain) {
+      ESP_LOGE(TAG, "[CALIBRATION] Mismatch detected for Phase %s!", phase_labels[phase]);
+      success = false;
+    }
+  }
+  return success;  // Return true if all writes were successful, false otherwise
+}
+
+#ifdef USE_TEXT_SENSOR
+void ATM90E32Component::check_phase_status() {
+  uint16_t state0 = this->read16_(ATM90E32_REGISTER_EMMSTATE0);
+  uint16_t state1 = this->read16_(ATM90E32_REGISTER_EMMSTATE1);
+
+  for (int phase = 0; phase < 3; phase++) {
+    std::string status;
+
+    if (state0 & over_voltage_flags[phase])
+      status += "Over Voltage; ";
+    if (state1 & voltage_sag_flags[phase])
+      status += "Voltage Sag; ";
+    if (state1 & phase_loss_flags[phase])
+      status += "Phase Loss; ";
+
+    auto *sensor = this->phase_status_text_sensor_[phase];
+    const char *phase_name = sensor ? sensor->get_name().c_str() : "Unknown Phase";
+    if (!status.empty()) {
+      status.pop_back();  // remove space
+      status.pop_back();  // remove semicolon
+      ESP_LOGW(TAG, "%s: %s", phase_name, status.c_str());
+      if (sensor != nullptr)
+        sensor->publish_state(status);
+    } else {
+      if (sensor != nullptr)
+        sensor->publish_state("Okay");
+    }
+  }
+}
+
+void ATM90E32Component::check_freq_status() {
+  uint16_t state1 = this->read16_(ATM90E32_REGISTER_EMMSTATE1);
+
+  std::string freq_status;
+
+  if (state1 & ATM90E32_STATUS_S1_FREQHIST) {
+    freq_status = "HIGH";
+  } else if (state1 & ATM90E32_STATUS_S1_FREQLOST) {
+    freq_status = "LOW";
+  } else {
+    freq_status = "Normal";
+  }
+  ESP_LOGW(TAG, "Frequency status: %s", freq_status.c_str());
+
+  if (this->freq_status_text_sensor_ != nullptr) {
+    this->freq_status_text_sensor_->publish_state(freq_status);
+  }
+}
+
+void ATM90E32Component::check_over_current() {
+  constexpr float max_current_threshold = 65.53f;
+
+  for (uint8_t phase = 0; phase < 3; phase++) {
+    float current_val =
+        this->phase_[phase].current_sensor_ != nullptr ? this->phase_[phase].current_sensor_->state : 0.0f;
+
+    if (current_val > max_current_threshold) {
+      ESP_LOGW(TAG, "Over current detected on Phase %c: %.2f A", 'A' + phase, current_val);
+      ESP_LOGW(TAG, "You may need to half your gain_ct: value & multiply the current and power values by 2");
+      if (this->phase_status_text_sensor_[phase] != nullptr) {
+        this->phase_status_text_sensor_[phase]->publish_state("Over Current; ");
+      }
+    }
+  }
+}
+#endif
+
+uint16_t ATM90E32Component::calculate_voltage_threshold(int line_freq, uint16_t ugain, float multiplier) {
+  // this assumes that 60Hz electrical systems use 120V mains,
+  // which is usually, but not always the case
+  float nominal_voltage = (line_freq == 60) ? 120.0f : 220.0f;
+  float target_voltage = nominal_voltage * multiplier;
+
+  float peak_01v = target_voltage * 100.0f * std::sqrt(2.0f);  // convert RMS → peak, scale to 0.01V
+  float divider = (2.0f * ugain) / 32768.0f;
+
+  float threshold = peak_01v / divider;
+
+  return static_cast<uint16_t>(threshold);
+}
+
+bool ATM90E32Component::validate_spi_read_(uint16_t expected, const char *context) {
+  uint16_t last = this->read16_(ATM90E32_REGISTER_LASTSPIDATA);
+  if (last != expected) {
+    if (context != nullptr) {
+      ESP_LOGW(TAG, "[%s] SPI read mismatch: expected 0x%04X, got 0x%04X", context, expected, last);
+    } else {
+      ESP_LOGW(TAG, "SPI read mismatch: expected 0x%04X, got 0x%04X", expected, last);
+    }
+    return false;
+  }
+  return true;
 }
 
 }  // namespace atm90e32

esphome/components/atm90e32/atm90e32.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <unordered_map>
 #include "atm90e32_reg.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/spi/spi.h"
@@ -18,6 +19,26 @@ class ATM90E32Component : public PollingComponent,
   static const uint8_t PHASEA = 0;
   static const uint8_t PHASEB = 1;
   static const uint8_t PHASEC = 2;
+  const char *phase_labels[3] = {"A", "B", "C"};
+  // these registers are not sucessive, so we can't just do 'base + phase'
+  const uint16_t voltage_gain_registers[3] = {ATM90E32_REGISTER_UGAINA, ATM90E32_REGISTER_UGAINB,
+                                              ATM90E32_REGISTER_UGAINC};
+  const uint16_t current_gain_registers[3] = {ATM90E32_REGISTER_IGAINA, ATM90E32_REGISTER_IGAINB,
+                                              ATM90E32_REGISTER_IGAINC};
+  const uint16_t voltage_offset_registers[3] = {ATM90E32_REGISTER_UOFFSETA, ATM90E32_REGISTER_UOFFSETB,
+                                                ATM90E32_REGISTER_UOFFSETC};
+  const uint16_t current_offset_registers[3] = {ATM90E32_REGISTER_IOFFSETA, ATM90E32_REGISTER_IOFFSETB,
+                                                ATM90E32_REGISTER_IOFFSETC};
+  const uint16_t power_offset_registers[3] = {ATM90E32_REGISTER_POFFSETA, ATM90E32_REGISTER_POFFSETB,
+                                              ATM90E32_REGISTER_POFFSETC};
+  const uint16_t reactive_power_offset_registers[3] = {ATM90E32_REGISTER_QOFFSETA, ATM90E32_REGISTER_QOFFSETB,
+                                                       ATM90E32_REGISTER_QOFFSETC};
+  const uint16_t over_voltage_flags[3] = {ATM90E32_STATUS_S0_OVPHASEAST, ATM90E32_STATUS_S0_OVPHASEBST,
+                                          ATM90E32_STATUS_S0_OVPHASECST};
+  const uint16_t voltage_sag_flags[3] = {ATM90E32_STATUS_S1_SAGPHASEAST, ATM90E32_STATUS_S1_SAGPHASEBST,
+                                         ATM90E32_STATUS_S1_SAGPHASECST};
+  const uint16_t phase_loss_flags[3] = {ATM90E32_STATUS_S1_PHASELOSSAST, ATM90E32_STATUS_S1_PHASELOSSBST,
+                                        ATM90E32_STATUS_S1_PHASELOSSCST};
   void loop() override;
   void setup() override;
   void dump_config() override;
@@ -42,6 +63,14 @@ class ATM90E32Component : public PollingComponent,
   void set_peak_current_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].peak_current_sensor_ = obj; }
   void set_volt_gain(int phase, uint16_t gain) { this->phase_[phase].voltage_gain_ = gain; }
   void set_ct_gain(int phase, uint16_t gain) { this->phase_[phase].ct_gain_ = gain; }
+  void set_voltage_offset(uint8_t phase, int16_t offset) { this->offset_phase_[phase].voltage_offset_ = offset; }
+  void set_current_offset(uint8_t phase, int16_t offset) { this->offset_phase_[phase].current_offset_ = offset; }
+  void set_active_power_offset(uint8_t phase, int16_t offset) {
+    this->power_offset_phase_[phase].active_power_offset = offset;
+  }
+  void set_reactive_power_offset(uint8_t phase, int16_t offset) {
+    this->power_offset_phase_[phase].reactive_power_offset = offset;
+  }
   void set_freq_sensor(sensor::Sensor *freq_sensor) { freq_sensor_ = freq_sensor; }
   void set_peak_current_signed(bool flag) { peak_current_signed_ = flag; }
   void set_chip_temperature_sensor(sensor::Sensor *chip_temperature_sensor) {
@@ -51,53 +80,104 @@ class ATM90E32Component : public PollingComponent,
   void set_current_phases(int phases) { current_phases_ = phases; }
   void set_pga_gain(uint16_t gain) { pga_gain_ = gain; }
   void run_offset_calibrations();
+  void run_power_offset_calibrations();
   void clear_offset_calibrations();
+  void clear_power_offset_calibrations();
+  void clear_gain_calibrations();
   void set_enable_offset_calibration(bool flag) { enable_offset_calibration_ = flag; }
-  uint16_t calibrate_voltage_offset_phase(uint8_t /*phase*/);
-  uint16_t calibrate_current_offset_phase(uint8_t /*phase*/);
+  void set_enable_gain_calibration(bool flag) { enable_gain_calibration_ = flag; }
+  int16_t calibrate_offset(uint8_t phase, bool voltage);
+  int16_t calibrate_power_offset(uint8_t phase, bool reactive);
+  void run_gain_calibrations();
+#ifdef USE_NUMBER
+  void set_reference_voltage(uint8_t phase, number::Number *ref_voltage) { ref_voltages_[phase] = ref_voltage; }
+  void set_reference_current(uint8_t phase, number::Number *ref_current) { ref_currents_[phase] = ref_current; }
+#endif
+  float get_reference_voltage(uint8_t phase) {
+#ifdef USE_NUMBER
+    return (phase >= 0 && phase < 3 && ref_voltages_[phase]) ? ref_voltages_[phase]->state : 120.0;  // Default voltage
+#else
+    return 120.0;  // Default voltage
+#endif
+  }
+  float get_reference_current(uint8_t phase) {
+#ifdef USE_NUMBER
+    return (phase >= 0 && phase < 3 && ref_currents_[phase]) ? ref_currents_[phase]->state : 5.0f;  // Default current
+#else
+    return 5.0f;   // Default current
+#endif
+  }
+  bool using_saved_calibrations_ = false;  // Track if stored calibrations are being used
+#ifdef USE_TEXT_SENSOR
+  void check_phase_status();
+  void check_freq_status();
+  void check_over_current();
+  void set_phase_status_text_sensor(uint8_t phase, text_sensor::TextSensor *sensor) {
+    this->phase_status_text_sensor_[phase] = sensor;
+  }
+  void set_freq_status_text_sensor(text_sensor::TextSensor *sensor) { this->freq_status_text_sensor_ = sensor; }
+#endif
+  uint16_t calculate_voltage_threshold(int line_freq, uint16_t ugain, float multiplier);
   int32_t last_periodic_millis = millis();
 
  protected:
+#ifdef USE_NUMBER
+  number::Number *ref_voltages_[3]{nullptr, nullptr, nullptr};
+  number::Number *ref_currents_[3]{nullptr, nullptr, nullptr};
+#endif
   uint16_t read16_(uint16_t a_register);
   int read32_(uint16_t addr_h, uint16_t addr_l);
   void write16_(uint16_t a_register, uint16_t val);
-  float get_local_phase_voltage_(uint8_t /*phase*/);
-  float get_local_phase_current_(uint8_t /*phase*/);
-  float get_local_phase_active_power_(uint8_t /*phase*/);
-  float get_local_phase_reactive_power_(uint8_t /*phase*/);
-  float get_local_phase_power_factor_(uint8_t /*phase*/);
-  float get_local_phase_forward_active_energy_(uint8_t /*phase*/);
-  float get_local_phase_reverse_active_energy_(uint8_t /*phase*/);
-  float get_local_phase_angle_(uint8_t /*phase*/);
-  float get_local_phase_harmonic_active_power_(uint8_t /*phase*/);
-  float get_local_phase_peak_current_(uint8_t /*phase*/);
-  float get_phase_voltage_(uint8_t /*phase*/);
-  float get_phase_voltage_avg_(uint8_t /*phase*/);
-  float get_phase_current_(uint8_t /*phase*/);
-  float get_phase_current_avg_(uint8_t /*phase*/);
-  float get_phase_active_power_(uint8_t /*phase*/);
-  float get_phase_reactive_power_(uint8_t /*phase*/);
-  float get_phase_power_factor_(uint8_t /*phase*/);
-  float get_phase_forward_active_energy_(uint8_t /*phase*/);
-  float get_phase_reverse_active_energy_(uint8_t /*phase*/);
-  float get_phase_angle_(uint8_t /*phase*/);
-  float get_phase_harmonic_active_power_(uint8_t /*phase*/);
-  float get_phase_peak_current_(uint8_t /*phase*/);
+  float get_local_phase_voltage_(uint8_t phase);
+  float get_local_phase_current_(uint8_t phase);
+  float get_local_phase_active_power_(uint8_t phase);
+  float get_local_phase_reactive_power_(uint8_t phase);
+  float get_local_phase_apparent_power_(uint8_t phase);
+  float get_local_phase_power_factor_(uint8_t phase);
+  float get_local_phase_forward_active_energy_(uint8_t phase);
+  float get_local_phase_reverse_active_energy_(uint8_t phase);
+  float get_local_phase_angle_(uint8_t phase);
+  float get_local_phase_harmonic_active_power_(uint8_t phase);
+  float get_local_phase_peak_current_(uint8_t phase);
+  float get_phase_voltage_(uint8_t phase);
+  float get_phase_voltage_avg_(uint8_t phase);
+  float get_phase_current_(uint8_t phase);
+  float get_phase_current_avg_(uint8_t phase);
+  float get_phase_active_power_(uint8_t phase);
+  float get_phase_reactive_power_(uint8_t phase);
+  float get_phase_apparent_power_(uint8_t phase);
+  float get_phase_power_factor_(uint8_t phase);
+  float get_phase_forward_active_energy_(uint8_t phase);
+  float get_phase_reverse_active_energy_(uint8_t phase);
+  float get_phase_angle_(uint8_t phase);
+  float get_phase_harmonic_active_power_(uint8_t phase);
+  float get_phase_peak_current_(uint8_t phase);
   float get_frequency_();
   float get_chip_temperature_();
   bool get_publish_interval_flag_() { return publish_interval_flag_; };
   void set_publish_interval_flag_(bool flag) { publish_interval_flag_ = flag; };
-  void restore_calibrations_();
+  void restore_offset_calibrations_();
+  void restore_power_offset_calibrations_();
+  void restore_gain_calibrations_();
+  void save_gain_calibration_to_memory_();
+  void write_offsets_to_registers_(uint8_t phase, int16_t voltage_offset, int16_t current_offset);
+  void write_power_offsets_to_registers_(uint8_t phase, int16_t p_offset, int16_t q_offset);
+  void write_gains_to_registers_();
+  bool verify_gain_writes_();
+  bool validate_spi_read_(uint16_t expected, const char *context = nullptr);
 
   struct ATM90E32Phase {
     uint16_t voltage_gain_{0};
     uint16_t ct_gain_{0};
-    uint16_t voltage_offset_{0};
-    uint16_t current_offset_{0};
+    int16_t voltage_offset_{0};
+    int16_t current_offset_{0};
+    int16_t active_power_offset_{0};
+    int16_t reactive_power_offset_{0};
     float voltage_{0};
     float current_{0};
     float active_power_{0};
     float reactive_power_{0};
+    float apparent_power_{0};
     float power_factor_{0};
     float forward_active_energy_{0};
     float reverse_active_energy_{0};
@@ -119,14 +199,30 @@ class ATM90E32Component : public PollingComponent,
     uint32_t cumulative_reverse_active_energy_{0};
   } phase_[3];
 
-  struct Calibration {
-    uint16_t voltage_offset_{0};
-    uint16_t current_offset_{0};
+  struct OffsetCalibration {
+    int16_t voltage_offset_{0};
+    int16_t current_offset_{0};
   } offset_phase_[3];
 
-  ESPPreferenceObject pref_;
+  struct PowerOffsetCalibration {
+    int16_t active_power_offset{0};
+    int16_t reactive_power_offset{0};
+  } power_offset_phase_[3];
+
+  struct GainCalibration {
+    uint16_t voltage_gain{1};
+    uint16_t current_gain{1};
+  } gain_phase_[3];
+
+  ESPPreferenceObject offset_pref_;
+  ESPPreferenceObject power_offset_pref_;
+  ESPPreferenceObject gain_calibration_pref_;
 
   sensor::Sensor *freq_sensor_{nullptr};
+#ifdef USE_TEXT_SENSOR
+  text_sensor::TextSensor *phase_status_text_sensor_[3]{nullptr};
+  text_sensor::TextSensor *freq_status_text_sensor_{nullptr};
+#endif
   sensor::Sensor *chip_temperature_sensor_{nullptr};
   uint16_t pga_gain_{0x15};
   int line_freq_{60};
@@ -134,6 +230,7 @@ class ATM90E32Component : public PollingComponent,
   bool publish_interval_flag_{false};
   bool peak_current_signed_{false};
   bool enable_offset_calibration_{false};
+  bool enable_gain_calibration_{false};
 };
 
 }  // namespace atm90e32

esphome/components/atm90e32/atm90e32_reg.h

@@ -176,16 +176,17 @@ static const uint16_t ATM90E32_REGISTER_ANENERGYCH = 0xAF;  // C Reverse Harm. E
 
 /* POWER & P.F. REGISTERS */
 static const uint16_t ATM90E32_REGISTER_PMEANT = 0xB0;   // Total Mean Power (P)
-static const uint16_t ATM90E32_REGISTER_PMEAN = 0xB1;    // Mean Power Reg Base (P)
+static const uint16_t ATM90E32_REGISTER_PMEAN = 0xB1;    // Active Power Reg Base (P)
 static const uint16_t ATM90E32_REGISTER_PMEANA = 0xB1;   // A Mean Power (P)
 static const uint16_t ATM90E32_REGISTER_PMEANB = 0xB2;   // B Mean Power (P)
 static const uint16_t ATM90E32_REGISTER_PMEANC = 0xB3;   // C Mean Power (P)
 static const uint16_t ATM90E32_REGISTER_QMEANT = 0xB4;   // Total Mean Power (Q)
-static const uint16_t ATM90E32_REGISTER_QMEAN = 0xB5;    // Mean Power Reg Base (Q)
+static const uint16_t ATM90E32_REGISTER_QMEAN = 0xB5;    // Reactive Power Reg Base (Q)
 static const uint16_t ATM90E32_REGISTER_QMEANA = 0xB5;   // A Mean Power (Q)
 static const uint16_t ATM90E32_REGISTER_QMEANB = 0xB6;   // B Mean Power (Q)
 static const uint16_t ATM90E32_REGISTER_QMEANC = 0xB7;   // C Mean Power (Q)
 static const uint16_t ATM90E32_REGISTER_SMEANT = 0xB8;   // Total Mean Power (S)
+static const uint16_t ATM90E32_REGISTER_SMEAN = 0xB9;    // Apparent Mean Power Base (S)
 static const uint16_t ATM90E32_REGISTER_SMEANA = 0xB9;   // A Mean Power (S)
 static const uint16_t ATM90E32_REGISTER_SMEANB = 0xBA;   // B Mean Power (S)
 static const uint16_t ATM90E32_REGISTER_SMEANC = 0xBB;   // C Mean Power (S)
@@ -206,6 +207,7 @@ static const uint16_t ATM90E32_REGISTER_QMEANALSB = 0xC5;   // Lower Word (A Rea
 static const uint16_t ATM90E32_REGISTER_QMEANBLSB = 0xC6;   // Lower Word (B React. Power)
 static const uint16_t ATM90E32_REGISTER_QMEANCLSB = 0xC7;   // Lower Word (C React. Power)
 static const uint16_t ATM90E32_REGISTER_SAMEANTLSB = 0xC8;  // Lower Word (Tot. App. Power)
+static const uint16_t ATM90E32_REGISTER_SMEANLSB = 0xC9;    // Lower Word Reg Base (Apparent Power)
 static const uint16_t ATM90E32_REGISTER_SMEANALSB = 0xC9;   // Lower Word (A App. Power)
 static const uint16_t ATM90E32_REGISTER_SMEANBLSB = 0xCA;   // Lower Word (B App. Power)
 static const uint16_t ATM90E32_REGISTER_SMEANCLSB = 0xCB;   // Lower Word (C App. Power)

esphome/components/atm90e32/button/__init__.py

@@ -1,43 +1,95 @@
 import esphome.codegen as cg
 from esphome.components import button
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, ENTITY_CATEGORY_CONFIG, ICON_CHIP, ICON_SCALE
+from esphome.const import CONF_ID, ENTITY_CATEGORY_CONFIG, ICON_SCALE
 
 from .. import atm90e32_ns
 from ..sensor import ATM90E32Component
 
+CONF_RUN_GAIN_CALIBRATION = "run_gain_calibration"
+CONF_CLEAR_GAIN_CALIBRATION = "clear_gain_calibration"
 CONF_RUN_OFFSET_CALIBRATION = "run_offset_calibration"
 CONF_CLEAR_OFFSET_CALIBRATION = "clear_offset_calibration"
+CONF_RUN_POWER_OFFSET_CALIBRATION = "run_power_offset_calibration"
+CONF_CLEAR_POWER_OFFSET_CALIBRATION = "clear_power_offset_calibration"
 
-ATM90E32CalibrationButton = atm90e32_ns.class_(
-    "ATM90E32CalibrationButton",
-    button.Button,
+ATM90E32GainCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32GainCalibrationButton", button.Button
 )
-ATM90E32ClearCalibrationButton = atm90e32_ns.class_(
-    "ATM90E32ClearCalibrationButton",
-    button.Button,
+ATM90E32ClearGainCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32ClearGainCalibrationButton", button.Button
+)
+ATM90E32OffsetCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32OffsetCalibrationButton", button.Button
+)
+ATM90E32ClearOffsetCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32ClearOffsetCalibrationButton", button.Button
+)
+ATM90E32PowerOffsetCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32PowerOffsetCalibrationButton", button.Button
+)
+ATM90E32ClearPowerOffsetCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32ClearPowerOffsetCalibrationButton", button.Button
 )
 
 CONFIG_SCHEMA = {
     cv.GenerateID(CONF_ID): cv.use_id(ATM90E32Component),
+    cv.Optional(CONF_RUN_GAIN_CALIBRATION): button.button_schema(
+        ATM90E32GainCalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon="mdi:scale-balance",
+    ),
+    cv.Optional(CONF_CLEAR_GAIN_CALIBRATION): button.button_schema(
+        ATM90E32ClearGainCalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon="mdi:delete",
+    ),
     cv.Optional(CONF_RUN_OFFSET_CALIBRATION): button.button_schema(
-        ATM90E32CalibrationButton,
+        ATM90E32OffsetCalibrationButton,
         entity_category=ENTITY_CATEGORY_CONFIG,
         icon=ICON_SCALE,
     ),
     cv.Optional(CONF_CLEAR_OFFSET_CALIBRATION): button.button_schema(
-        ATM90E32ClearCalibrationButton,
+        ATM90E32ClearOffsetCalibrationButton,
         entity_category=ENTITY_CATEGORY_CONFIG,
-        icon=ICON_CHIP,
+        icon="mdi:delete",
+    ),
+    cv.Optional(CONF_RUN_POWER_OFFSET_CALIBRATION): button.button_schema(
+        ATM90E32PowerOffsetCalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon=ICON_SCALE,
+    ),
+    cv.Optional(CONF_CLEAR_POWER_OFFSET_CALIBRATION): button.button_schema(
+        ATM90E32ClearPowerOffsetCalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon="mdi:delete",
     ),
 }
 
 
 async def to_code(config):
     parent = await cg.get_variable(config[CONF_ID])
+
+    if run_gain := config.get(CONF_RUN_GAIN_CALIBRATION):
+        b = await button.new_button(run_gain)
+        await cg.register_parented(b, parent)
+
+    if clear_gain := config.get(CONF_CLEAR_GAIN_CALIBRATION):
+        b = await button.new_button(clear_gain)
+        await cg.register_parented(b, parent)
+
     if run_offset := config.get(CONF_RUN_OFFSET_CALIBRATION):
         b = await button.new_button(run_offset)
         await cg.register_parented(b, parent)
+
     if clear_offset := config.get(CONF_CLEAR_OFFSET_CALIBRATION):
         b = await button.new_button(clear_offset)
         await cg.register_parented(b, parent)
+
+    if run_power := config.get(CONF_RUN_POWER_OFFSET_CALIBRATION):
+        b = await button.new_button(run_power)
+        await cg.register_parented(b, parent)
+
+    if clear_power := config.get(CONF_CLEAR_POWER_OFFSET_CALIBRATION):
+        b = await button.new_button(clear_power)
+        await cg.register_parented(b, parent)

esphome/components/atm90e32/button/atm90e32_button.cpp

@@ -1,4 +1,5 @@
 #include "atm90e32_button.h"
+#include "esphome/core/component.h"
 #include "esphome/core/log.h"
 
 namespace esphome {
@@ -6,15 +7,73 @@ namespace atm90e32 {
 
 static const char *const TAG = "atm90e32.button";
 
-void ATM90E32CalibrationButton::press_action() {
-  ESP_LOGI(TAG, "Running offset calibrations, Note: CTs and ACVs must be 0 during this process...");
+void ATM90E32GainCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Gain Calibration button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
+  ESP_LOGI(TAG,
+           "[CALIBRATION] Use gain_ct: & gain_voltage: under each phase_x: in your config file to save these values");
+  this->parent_->run_gain_calibrations();
+}
+
+void ATM90E32ClearGainCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Clear Gain button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
+  this->parent_->clear_gain_calibrations();
+}
+
+void ATM90E32OffsetCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Offset Calibration button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
+  ESP_LOGI(TAG, "[CALIBRATION] **NOTE: CTs and ACVs must be 0 during this process. USB power only**");
+  ESP_LOGI(TAG, "[CALIBRATION] Use offset_voltage: & offset_current: under each phase_x: in your config file to save "
+                "these values");
   this->parent_->run_offset_calibrations();
 }
 
-void ATM90E32ClearCalibrationButton::press_action() {
-  ESP_LOGI(TAG, "Offset calibrations cleared.");
+void ATM90E32ClearOffsetCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Clear Offset button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
   this->parent_->clear_offset_calibrations();
 }
 
+void ATM90E32PowerOffsetCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Power Calibration button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
+  ESP_LOGI(TAG, "[CALIBRATION] **NOTE: CTs must be 0 during this process. Voltage reference should be present**");
+  ESP_LOGI(TAG, "[CALIBRATION] Use offset_active_power: & offset_reactive_power: under each phase_x: in your config "
+                "file to save these values");
+  this->parent_->run_power_offset_calibrations();
+}
+
+void ATM90E32ClearPowerOffsetCalibrationButton::press_action() {
+  if (this->parent_ == nullptr) {
+    ESP_LOGW(TAG, "[CALIBRATION] No meters assigned to Clear Power button [%s]", this->get_name().c_str());
+    return;
+  }
+
+  ESP_LOGI(TAG, "%s", this->get_name().c_str());
+  this->parent_->clear_power_offset_calibrations();
+}
+
 }  // namespace atm90e32
 }  // namespace esphome

esphome/components/atm90e32/button/atm90e32_button.h

@@ -7,17 +7,49 @@
 namespace esphome {
 namespace atm90e32 {
 
-class ATM90E32CalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+class ATM90E32GainCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
  public:
-  ATM90E32CalibrationButton() = default;
+  ATM90E32GainCalibrationButton() = default;
 
  protected:
   void press_action() override;
 };
 
-class ATM90E32ClearCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+class ATM90E32ClearGainCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
  public:
-  ATM90E32ClearCalibrationButton() = default;
+  ATM90E32ClearGainCalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+class ATM90E32OffsetCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32OffsetCalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+class ATM90E32ClearOffsetCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32ClearOffsetCalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+class ATM90E32PowerOffsetCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32PowerOffsetCalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+class ATM90E32ClearPowerOffsetCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32ClearPowerOffsetCalibrationButton() = default;
 
  protected:
   void press_action() override;

esphome/components/atm90e32/number/__init__.py

@@ -0,0 +1,130 @@
+import esphome.codegen as cg
+from esphome.components import number
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_MAX_VALUE,
+    CONF_MIN_VALUE,
+    CONF_MODE,
+    CONF_PHASE_A,
+    CONF_PHASE_B,
+    CONF_PHASE_C,
+    CONF_REFERENCE_VOLTAGE,
+    CONF_STEP,
+    ENTITY_CATEGORY_CONFIG,
+    UNIT_AMPERE,
+    UNIT_VOLT,
+)
+
+from .. import atm90e32_ns
+from ..sensor import ATM90E32Component
+
+ATM90E32Number = atm90e32_ns.class_(
+    "ATM90E32Number", number.Number, cg.Parented.template(ATM90E32Component)
+)
+
+CONF_REFERENCE_CURRENT = "reference_current"
+PHASE_KEYS = [CONF_PHASE_A, CONF_PHASE_B, CONF_PHASE_C]
+
+
+REFERENCE_VOLTAGE_PHASE_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.Optional(CONF_MODE, default="box"): cv.string,
+            cv.Optional(CONF_MIN_VALUE, default=100.0): cv.float_,
+            cv.Optional(CONF_MAX_VALUE, default=260.0): cv.float_,
+            cv.Optional(CONF_STEP, default=0.1): cv.float_,
+        }
+    ).extend(
+        number.number_schema(
+            class_=ATM90E32Number,
+            unit_of_measurement=UNIT_VOLT,
+            entity_category=ENTITY_CATEGORY_CONFIG,
+            icon="mdi:power-plug",
+        )
+    )
+)
+
+
+REFERENCE_CURRENT_PHASE_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.Optional(CONF_MODE, default="box"): cv.string,
+            cv.Optional(CONF_MIN_VALUE, default=1.0): cv.float_,
+            cv.Optional(CONF_MAX_VALUE, default=200.0): cv.float_,
+            cv.Optional(CONF_STEP, default=0.1): cv.float_,
+        }
+    ).extend(
+        number.number_schema(
+            class_=ATM90E32Number,
+            unit_of_measurement=UNIT_AMPERE,
+            entity_category=ENTITY_CATEGORY_CONFIG,
+            icon="mdi:home-lightning-bolt",
+        )
+    )
+)
+
+
+REFERENCE_VOLTAGE_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_PHASE_A): REFERENCE_VOLTAGE_PHASE_SCHEMA,
+        cv.Optional(CONF_PHASE_B): REFERENCE_VOLTAGE_PHASE_SCHEMA,
+        cv.Optional(CONF_PHASE_C): REFERENCE_VOLTAGE_PHASE_SCHEMA,
+    }
+)
+
+REFERENCE_CURRENT_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_PHASE_A): REFERENCE_CURRENT_PHASE_SCHEMA,
+        cv.Optional(CONF_PHASE_B): REFERENCE_CURRENT_PHASE_SCHEMA,
+        cv.Optional(CONF_PHASE_C): REFERENCE_CURRENT_PHASE_SCHEMA,
+    }
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_ID): cv.use_id(ATM90E32Component),
+        cv.Optional(CONF_REFERENCE_VOLTAGE): REFERENCE_VOLTAGE_SCHEMA,
+        cv.Optional(CONF_REFERENCE_CURRENT): REFERENCE_CURRENT_SCHEMA,
+    }
+)
+
+
+async def to_code(config):
+    parent = await cg.get_variable(config[CONF_ID])
+
+    if voltage_cfg := config.get(CONF_REFERENCE_VOLTAGE):
+        voltage_objs = [None, None, None]
+
+        for i, key in enumerate(PHASE_KEYS):
+            if validated := voltage_cfg.get(key):
+                obj = await number.new_number(
+                    validated,
+                    min_value=validated["min_value"],
+                    max_value=validated["max_value"],
+                    step=validated["step"],
+                )
+                await cg.register_parented(obj, parent)
+                voltage_objs[i] = obj
+
+        # Inherit from A → B/C if only A defined
+        if voltage_objs[0] is not None:
+            for i in range(3):
+                if voltage_objs[i] is None:
+                    voltage_objs[i] = voltage_objs[0]
+
+        for i, obj in enumerate(voltage_objs):
+            if obj is not None:
+                cg.add(parent.set_reference_voltage(i, obj))
+
+    if current_cfg := config.get(CONF_REFERENCE_CURRENT):
+        for i, key in enumerate(PHASE_KEYS):
+            if validated := current_cfg.get(key):
+                obj = await number.new_number(
+                    validated,
+                    min_value=validated["min_value"],
+                    max_value=validated["max_value"],
+                    step=validated["step"],
+                )
+                await cg.register_parented(obj, parent)
+                cg.add(parent.set_reference_current(i, obj))

esphome/components/atm90e32/number/atm90e32_number.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/atm90e32/atm90e32.h"
+#include "esphome/components/number/number.h"
+
+namespace esphome {
+namespace atm90e32 {
+
+class ATM90E32Number : public number::Number, public Parented<ATM90E32Component> {
+ public:
+  void control(float value) override { this->publish_state(value); }
+};
+
+}  // namespace atm90e32
+}  // namespace esphome

esphome/components/atm90e32/sensor.py

@@ -33,6 +33,7 @@ from esphome.const import (
     UNIT_DEGREES,
     UNIT_HERTZ,
     UNIT_VOLT,
+    UNIT_VOLT_AMPS,
     UNIT_VOLT_AMPS_REACTIVE,
     UNIT_WATT,
     UNIT_WATT_HOURS,
@@ -45,10 +46,17 @@ CONF_GAIN_PGA = "gain_pga"
 CONF_CURRENT_PHASES = "current_phases"
 CONF_GAIN_VOLTAGE = "gain_voltage"
 CONF_GAIN_CT = "gain_ct"
+CONF_OFFSET_VOLTAGE = "offset_voltage"
+CONF_OFFSET_CURRENT = "offset_current"
+CONF_OFFSET_ACTIVE_POWER = "offset_active_power"
+CONF_OFFSET_REACTIVE_POWER = "offset_reactive_power"
 CONF_HARMONIC_POWER = "harmonic_power"
 CONF_PEAK_CURRENT = "peak_current"
 CONF_PEAK_CURRENT_SIGNED = "peak_current_signed"
 CONF_ENABLE_OFFSET_CALIBRATION = "enable_offset_calibration"
+CONF_ENABLE_GAIN_CALIBRATION = "enable_gain_calibration"
+CONF_PHASE_STATUS = "phase_status"
+CONF_FREQUENCY_STATUS = "frequency_status"
 UNIT_DEG = "degrees"
 LINE_FREQS = {
     "50HZ": 50,
@@ -92,10 +100,11 @@ ATM90E32_PHASE_SCHEMA = cv.Schema(
             unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
             icon=ICON_LIGHTBULB,
             accuracy_decimals=2,
+            device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional(CONF_APPARENT_POWER): sensor.sensor_schema(
-            unit_of_measurement=UNIT_WATT,
+            unit_of_measurement=UNIT_VOLT_AMPS,
             accuracy_decimals=2,
             device_class=DEVICE_CLASS_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
@@ -137,6 +146,10 @@ ATM90E32_PHASE_SCHEMA = cv.Schema(
         ),
         cv.Optional(CONF_GAIN_VOLTAGE, default=7305): cv.uint16_t,
         cv.Optional(CONF_GAIN_CT, default=27961): cv.uint16_t,
+        cv.Optional(CONF_OFFSET_VOLTAGE, default=0): cv.int_,
+        cv.Optional(CONF_OFFSET_CURRENT, default=0): cv.int_,
+        cv.Optional(CONF_OFFSET_ACTIVE_POWER, default=0): cv.int_,
+        cv.Optional(CONF_OFFSET_REACTIVE_POWER, default=0): cv.int_,
     }
 )
 
@@ -164,9 +177,10 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_CURRENT_PHASES, default="3"): cv.enum(
                 CURRENT_PHASES, upper=True
             ),
-            cv.Optional(CONF_GAIN_PGA, default="2X"): cv.enum(PGA_GAINS, upper=True),
+            cv.Optional(CONF_GAIN_PGA, default="1X"): cv.enum(PGA_GAINS, upper=True),
             cv.Optional(CONF_PEAK_CURRENT_SIGNED, default=False): cv.boolean,
             cv.Optional(CONF_ENABLE_OFFSET_CALIBRATION, default=False): cv.boolean,
+            cv.Optional(CONF_ENABLE_GAIN_CALIBRATION, default=False): cv.boolean,
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -185,6 +199,10 @@ async def to_code(config):
         conf = config[phase]
         cg.add(var.set_volt_gain(i, conf[CONF_GAIN_VOLTAGE]))
         cg.add(var.set_ct_gain(i, conf[CONF_GAIN_CT]))
+        cg.add(var.set_voltage_offset(i, conf[CONF_OFFSET_VOLTAGE]))
+        cg.add(var.set_current_offset(i, conf[CONF_OFFSET_CURRENT]))
+        cg.add(var.set_active_power_offset(i, conf[CONF_OFFSET_ACTIVE_POWER]))
+        cg.add(var.set_reactive_power_offset(i, conf[CONF_OFFSET_REACTIVE_POWER]))
         if voltage_config := conf.get(CONF_VOLTAGE):
             sens = await sensor.new_sensor(voltage_config)
             cg.add(var.set_voltage_sensor(i, sens))
@@ -218,16 +236,15 @@ async def to_code(config):
         if peak_current_config := conf.get(CONF_PEAK_CURRENT):
             sens = await sensor.new_sensor(peak_current_config)
             cg.add(var.set_peak_current_sensor(i, sens))
-
     if frequency_config := config.get(CONF_FREQUENCY):
         sens = await sensor.new_sensor(frequency_config)
         cg.add(var.set_freq_sensor(sens))
     if chip_temperature_config := config.get(CONF_CHIP_TEMPERATURE):
         sens = await sensor.new_sensor(chip_temperature_config)
         cg.add(var.set_chip_temperature_sensor(sens))
-
     cg.add(var.set_line_freq(config[CONF_LINE_FREQUENCY]))
     cg.add(var.set_current_phases(config[CONF_CURRENT_PHASES]))
     cg.add(var.set_pga_gain(config[CONF_GAIN_PGA]))
     cg.add(var.set_peak_current_signed(config[CONF_PEAK_CURRENT_SIGNED]))
     cg.add(var.set_enable_offset_calibration(config[CONF_ENABLE_OFFSET_CALIBRATION]))
+    cg.add(var.set_enable_gain_calibration(config[CONF_ENABLE_GAIN_CALIBRATION]))

esphome/components/atm90e32/text_sensor/__init__.py

@@ -0,0 +1,48 @@
+import esphome.codegen as cg
+from esphome.components import text_sensor
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, CONF_PHASE_A, CONF_PHASE_B, CONF_PHASE_C
+
+from ..sensor import ATM90E32Component
+
+CONF_PHASE_STATUS = "phase_status"
+CONF_FREQUENCY_STATUS = "frequency_status"
+PHASE_KEYS = [CONF_PHASE_A, CONF_PHASE_B, CONF_PHASE_C]
+
+PHASE_STATUS_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_PHASE_A): text_sensor.text_sensor_schema(
+            icon="mdi:flash-alert"
+        ),
+        cv.Optional(CONF_PHASE_B): text_sensor.text_sensor_schema(
+            icon="mdi:flash-alert"
+        ),
+        cv.Optional(CONF_PHASE_C): text_sensor.text_sensor_schema(
+            icon="mdi:flash-alert"
+        ),
+    }
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.use_id(ATM90E32Component),
+        cv.Optional(CONF_PHASE_STATUS): PHASE_STATUS_SCHEMA,
+        cv.Optional(CONF_FREQUENCY_STATUS): text_sensor.text_sensor_schema(
+            icon="mdi:lightbulb-alert"
+        ),
+    }
+)
+
+
+async def to_code(config):
+    parent = await cg.get_variable(config[CONF_ID])
+
+    if phase_cfg := config.get(CONF_PHASE_STATUS):
+        for i, key in enumerate(PHASE_KEYS):
+            if sub_phase_cfg := phase_cfg.get(key):
+                sens = await text_sensor.new_text_sensor(sub_phase_cfg)
+                cg.add(parent.set_phase_status_text_sensor(i, sens))
+
+    if freq_status_config := config.get(CONF_FREQUENCY_STATUS):
+        sens = await text_sensor.new_text_sensor(freq_status_config)
+        cg.add(parent.set_freq_status_text_sensor(sens))

esphome/components/audio/__init__.py

@@ -37,29 +37,32 @@ AUDIO_COMPONENT_SCHEMA = cv.Schema(
 )
 
 
-_UNDEF = object()
-
-
 def set_stream_limits(
-    min_bits_per_sample: int = _UNDEF,
-    max_bits_per_sample: int = _UNDEF,
-    min_channels: int = _UNDEF,
-    max_channels: int = _UNDEF,
-    min_sample_rate: int = _UNDEF,
-    max_sample_rate: int = _UNDEF,
+    min_bits_per_sample: int = cv.UNDEFINED,
+    max_bits_per_sample: int = cv.UNDEFINED,
+    min_channels: int = cv.UNDEFINED,
+    max_channels: int = cv.UNDEFINED,
+    min_sample_rate: int = cv.UNDEFINED,
+    max_sample_rate: int = cv.UNDEFINED,
 ):
+    """Sets the limits for the audio stream that audio component can handle
+
+    When the component sinks audio (e.g., a speaker), these indicate the limits to the audio it can receive.
+    When the component sources audio (e.g., a microphone), these indicate the limits to the audio it can send.
+    """
+
     def set_limits_in_config(config):
-        if min_bits_per_sample is not _UNDEF:
+        if min_bits_per_sample is not cv.UNDEFINED:
             config[CONF_MIN_BITS_PER_SAMPLE] = min_bits_per_sample
-        if max_bits_per_sample is not _UNDEF:
+        if max_bits_per_sample is not cv.UNDEFINED:
             config[CONF_MAX_BITS_PER_SAMPLE] = max_bits_per_sample
-        if min_channels is not _UNDEF:
+        if min_channels is not cv.UNDEFINED:
             config[CONF_MIN_CHANNELS] = min_channels
-        if max_channels is not _UNDEF:
+        if max_channels is not cv.UNDEFINED:
             config[CONF_MAX_CHANNELS] = max_channels
-        if min_sample_rate is not _UNDEF:
+        if min_sample_rate is not cv.UNDEFINED:
             config[CONF_MIN_SAMPLE_RATE] = min_sample_rate
-        if max_sample_rate is not _UNDEF:
+        if max_sample_rate is not cv.UNDEFINED:
             config[CONF_MAX_SAMPLE_RATE] = max_sample_rate
 
     return set_limits_in_config
@@ -69,43 +72,87 @@ def final_validate_audio_schema(
     name: str,
     *,
     audio_device: str,
-    bits_per_sample: int,
-    channels: int,
-    sample_rate: int,
+    bits_per_sample: int = cv.UNDEFINED,
+    channels: int = cv.UNDEFINED,
+    sample_rate: int = cv.UNDEFINED,
+    enabled_channels: list[int] = cv.UNDEFINED,
+    audio_device_issue: bool = False,
 ):
+    """Validates audio compatibility when passed between different components.
+
+    The component derived from ``AUDIO_COMPONENT_SCHEMA`` should call ``set_stream_limits`` in a validator to specify its compatible settings
+
+      - If audio_device_issue is True, then the error message indicates the user should adjust the AUDIO_COMPONENT_SCHEMA derived component's configuration to match the values passed to this function
+      - If audio_device_issue is False, then the error message indicates the user should adjust the configuration of the component calling this function, as it falls out of the valid stream limits
+
+    Args:
+        name (str): Friendly name of the component calling this function with an audio component to validate
+        audio_device (str): The configuration parameter name that contains the ID of an AUDIO_COMPONENT_SCHEMA derived component to validate against
+        bits_per_sample (int, optional): The desired bits per sample
+        channels (int, optional): The desired number of channels
+        sample_rate (int, optional): The desired sample rate
+        enabled_channels (list[int], optional): The desired enabled channels
+        audio_device_issue (bool, optional): Format the error message to indicate the problem is in the configuration for the ``audio_device`` component. Defaults to False.
+    """
+
     def validate_audio_compatiblity(audio_config):
         audio_schema = {}
 
+        if bits_per_sample is not cv.UNDEFINED:
             try:
                 cv.int_range(
                     min=audio_config.get(CONF_MIN_BITS_PER_SAMPLE),
                     max=audio_config.get(CONF_MAX_BITS_PER_SAMPLE),
                 )(bits_per_sample)
             except cv.Invalid as exc:
-            raise cv.Invalid(
-                f"Invalid configuration for the {name} component. The {CONF_BITS_PER_SAMPLE} {str(exc)}"
-            ) from exc
+                if audio_device_issue:
+                    error_string = f"Invalid configuration for the specified {audio_device}. The {name} component requires {bits_per_sample} bits per sample."
+                else:
+                    error_string = f"Invalid configuration for the {name} component. The {CONF_BITS_PER_SAMPLE} {str(exc)}"
+                raise cv.Invalid(error_string) from exc
 
+        if channels is not cv.UNDEFINED:
             try:
                 cv.int_range(
                     min=audio_config.get(CONF_MIN_CHANNELS),
                     max=audio_config.get(CONF_MAX_CHANNELS),
                 )(channels)
             except cv.Invalid as exc:
-            raise cv.Invalid(
-                f"Invalid configuration for the {name} component. The {CONF_NUM_CHANNELS} {str(exc)}"
-            ) from exc
+                if audio_device_issue:
+                    error_string = f"Invalid configuration for the specified {audio_device}. The {name} component requires {channels} channels."
+                else:
+                    error_string = f"Invalid configuration for the {name} component. The {CONF_NUM_CHANNELS} {str(exc)}"
+                raise cv.Invalid(error_string) from exc
 
+        if sample_rate is not cv.UNDEFINED:
             try:
                 cv.int_range(
                     min=audio_config.get(CONF_MIN_SAMPLE_RATE),
                     max=audio_config.get(CONF_MAX_SAMPLE_RATE),
                 )(sample_rate)
-            return cv.Schema(audio_schema, extra=cv.ALLOW_EXTRA)(audio_config)
             except cv.Invalid as exc:
-            raise cv.Invalid(
-                f"Invalid configuration for the {name} component. The {CONF_SAMPLE_RATE} {str(exc)}"
-            ) from exc
+                if audio_device_issue:
+                    error_string = f"Invalid configuration for the specified {audio_device}. The {name} component requires a {sample_rate} sample rate."
+                else:
+                    error_string = f"Invalid configuration for the {name} component. The {CONF_SAMPLE_RATE} {str(exc)}"
+                raise cv.Invalid(error_string) from exc
+
+        if enabled_channels is not cv.UNDEFINED:
+            for channel in enabled_channels:
+                try:
+                    # Channels are 0-indexed
+                    cv.int_range(
+                        min=0,
+                        max=audio_config.get(CONF_MAX_CHANNELS) - 1,
+                    )(channel)
+                except cv.Invalid as exc:
+                    if audio_device_issue:
+                        error_string = f"Invalid configuration for the specified {audio_device}. The {name} component requires channel {channel}."
+                    else:
+                        error_string = f"Invalid configuration for the {name} component. Enabled channel {channel} {str(exc)}"
+                    raise cv.Invalid(error_string) from exc
+
+        return cv.Schema(audio_schema, extra=cv.ALLOW_EXTRA)(audio_config)
 
     return cv.Schema(
         {
@@ -118,4 +165,4 @@ def final_validate_audio_schema(
 
 
 async def to_code(config):
-    cg.add_library("esphome/esp-audio-libs", "1.1.3")
+    cg.add_library("esphome/esp-audio-libs", "1.1.4")

esphome/components/audio/audio.h

@@ -135,5 +135,53 @@ const char *audio_file_type_to_string(AudioFileType file_type);
 void scale_audio_samples(const int16_t *audio_samples, int16_t *output_buffer, int16_t scale_factor,
                          size_t samples_to_scale);
 
+/// @brief Unpacks a quantized audio sample into a Q31 fixed-point number.
+/// @param data Pointer to uint8_t array containing the audio sample
+/// @param bytes_per_sample The number of bytes per sample
+/// @return Q31 sample
+inline int32_t unpack_audio_sample_to_q31(const uint8_t *data, size_t bytes_per_sample) {
+  int32_t sample = 0;
+  if (bytes_per_sample == 1) {
+    sample |= data[0] << 24;
+  } else if (bytes_per_sample == 2) {
+    sample |= data[0] << 16;
+    sample |= data[1] << 24;
+  } else if (bytes_per_sample == 3) {
+    sample |= data[0] << 8;
+    sample |= data[1] << 16;
+    sample |= data[2] << 24;
+  } else if (bytes_per_sample == 4) {
+    sample |= data[0];
+    sample |= data[1] << 8;
+    sample |= data[2] << 16;
+    sample |= data[3] << 24;
+  }
+
+  return sample;
+}
+
+/// @brief Packs a Q31 fixed-point number as an audio sample with the specified number of bytes per sample.
+/// Packs the most significant bits - no dithering is applied.
+/// @param sample Q31 fixed-point number to pack
+/// @param data Pointer to data array to store
+/// @param bytes_per_sample The audio data's bytes per sample
+inline void pack_q31_as_audio_sample(int32_t sample, uint8_t *data, size_t bytes_per_sample) {
+  if (bytes_per_sample == 1) {
+    data[0] = static_cast<uint8_t>(sample >> 24);
+  } else if (bytes_per_sample == 2) {
+    data[0] = static_cast<uint8_t>(sample >> 16);
+    data[1] = static_cast<uint8_t>(sample >> 24);
+  } else if (bytes_per_sample == 3) {
+    data[0] = static_cast<uint8_t>(sample >> 8);
+    data[1] = static_cast<uint8_t>(sample >> 16);
+    data[2] = static_cast<uint8_t>(sample >> 24);
+  } else if (bytes_per_sample == 4) {
+    data[0] = static_cast<uint8_t>(sample);
+    data[1] = static_cast<uint8_t>(sample >> 8);
+    data[2] = static_cast<uint8_t>(sample >> 16);
+    data[3] = static_cast<uint8_t>(sample >> 24);
+  }
+}
+
 }  // namespace audio
 }  // namespace esphome

esphome/components/audio/audio_decoder.cpp

@@ -171,7 +171,7 @@ AudioDecoderState AudioDecoder::decode(bool stop_gracefully) {
 
     bytes_available_before_processing = this->input_transfer_buffer_->available();
 
-    if ((this->potentially_failed_count_ > 10) && (bytes_read == 0)) {
+    if ((this->potentially_failed_count_ > 0) && (bytes_read == 0)) {
       // Failed to decode in last attempt and there is no new data
 
       if ((this->input_transfer_buffer_->free() == 0) && first_loop_iteration) {

esphome/components/audio/audio_resampler.cpp

@@ -4,6 +4,8 @@
 
 #include "esphome/core/hal.h"
 
+#include <cstring>
+
 namespace esphome {
 namespace audio {
 

esphome/components/audio/audio_resampler.h

@@ -6,6 +6,7 @@
 #include "audio_transfer_buffer.h"
 
 #include "esphome/core/defines.h"
+#include "esphome/core/helpers.h"
 #include "esphome/core/ring_buffer.h"
 
 #ifdef USE_SPEAKER

esphome/components/axs15231/touchscreen/axs15231_touchscreen.cpp

@@ -17,7 +17,7 @@ constexpr static const uint8_t AXS_READ_TOUCHPAD[11] = {0xb5, 0xab, 0xa5, 0x5a,
   }
 
 void AXS15231Touchscreen::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up AXS15231 Touchscreen...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   if (this->reset_pin_ != nullptr) {
     this->reset_pin_->setup();
     this->reset_pin_->digital_write(false);
@@ -60,8 +60,10 @@ void AXS15231Touchscreen::dump_config() {
   LOG_I2C_DEVICE(this);
   LOG_PIN("  Interrupt Pin: ", this->interrupt_pin_);
   LOG_PIN("  Reset Pin: ", this->reset_pin_);
-  ESP_LOGCONFIG(TAG, "  Width: %d", this->x_raw_max_);
-  ESP_LOGCONFIG(TAG, "  Height: %d", this->y_raw_max_);
+  ESP_LOGCONFIG(TAG,
+                "  Width: %d\n"
+                "  Height: %d",
+                this->x_raw_max_, this->y_raw_max_);
 }
 
 }  // namespace axs15231

esphome/components/ballu/climate.py

@@ -1,7 +1,5 @@
 import esphome.codegen as cg
 from esphome.components import climate_ir
-import esphome.config_validation as cv
-from esphome.const import CONF_ID
 
 AUTO_LOAD = ["climate_ir"]
 CODEOWNERS = ["@bazuchan"]
@@ -9,13 +7,8 @@ CODEOWNERS = ["@bazuchan"]
 ballu_ns = cg.esphome_ns.namespace("ballu")
 BalluClimate = ballu_ns.class_("BalluClimate", climate_ir.ClimateIR)
 
-CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
-    {
-        cv.GenerateID(): cv.declare_id(BalluClimate),
-    }
-)
+CONFIG_SCHEMA = climate_ir.climate_ir_with_receiver_schema(BalluClimate)
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
-    await climate_ir.register_climate_ir(var, config)
+    await climate_ir.new_climate_ir(config)

esphome/components/bang_bang/bang_bang_climate.cpp

@@ -194,11 +194,14 @@ Trigger<> *BangBangClimate::get_heat_trigger() const { return this->heat_trigger
 void BangBangClimate::set_supports_heat(bool supports_heat) { this->supports_heat_ = supports_heat; }
 void BangBangClimate::dump_config() {
   LOG_CLIMATE("", "Bang Bang Climate", this);
-  ESP_LOGCONFIG(TAG, "  Supports HEAT: %s", YESNO(this->supports_heat_));
-  ESP_LOGCONFIG(TAG, "  Supports COOL: %s", YESNO(this->supports_cool_));
-  ESP_LOGCONFIG(TAG, "  Supports AWAY mode: %s", YESNO(this->supports_away_));
-  ESP_LOGCONFIG(TAG, "  Default Target Temperature Low: %.2f°C", this->normal_config_.default_temperature_low);
-  ESP_LOGCONFIG(TAG, "  Default Target Temperature High: %.2f°C", this->normal_config_.default_temperature_high);
+  ESP_LOGCONFIG(TAG,
+                "  Supports HEAT: %s\n"
+                "  Supports COOL: %s\n"
+                "  Supports AWAY mode: %s\n"
+                "  Default Target Temperature Low: %.2f°C\n"
+                "  Default Target Temperature High: %.2f°C",
+                YESNO(this->supports_heat_), YESNO(this->supports_cool_), YESNO(this->supports_away_),
+                this->normal_config_.default_temperature_low, this->normal_config_.default_temperature_high);
 }
 
 BangBangClimateTargetTempConfig::BangBangClimateTargetTempConfig() = default;

esphome/components/bang_bang/climate.py

@@ -9,7 +9,6 @@ from esphome.const import (
     CONF_DEFAULT_TARGET_TEMPERATURE_LOW,
     CONF_HEAT_ACTION,
     CONF_HUMIDITY_SENSOR,
-    CONF_ID,
     CONF_IDLE_ACTION,
     CONF_SENSOR,
 )
@@ -19,9 +18,9 @@ BangBangClimate = bang_bang_ns.class_("BangBangClimate", climate.Climate, cg.Com
 BangBangClimateTargetTempConfig = bang_bang_ns.struct("BangBangClimateTargetTempConfig")
 
 CONFIG_SCHEMA = cv.All(
-    climate.CLIMATE_SCHEMA.extend(
+    climate.climate_schema(BangBangClimate)
+    .extend(
         {
-            cv.GenerateID(): cv.declare_id(BangBangClimate),
             cv.Required(CONF_SENSOR): cv.use_id(sensor.Sensor),
             cv.Optional(CONF_HUMIDITY_SENSOR): cv.use_id(sensor.Sensor),
             cv.Required(CONF_DEFAULT_TARGET_TEMPERATURE_LOW): cv.temperature,
@@ -36,15 +35,15 @@ CONFIG_SCHEMA = cv.All(
                 }
             ),
         }
-    ).extend(cv.COMPONENT_SCHEMA),
+    )
+    .extend(cv.COMPONENT_SCHEMA),
     cv.has_at_least_one_key(CONF_COOL_ACTION, CONF_HEAT_ACTION),
 )
 
 
 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)
 
     sens = await cg.get_variable(config[CONF_SENSOR])
     cg.add(var.set_sensor(sens))

esphome/components/bedjet/bedjet_hub.cpp

@@ -3,6 +3,7 @@
 #include "bedjet_hub.h"
 #include "bedjet_child.h"
 #include "bedjet_const.h"
+#include "esphome/core/application.h"
 #include <cinttypes>
 
 namespace esphome {
@@ -483,9 +484,11 @@ void BedJetHub::loop() {}
 void BedJetHub::update() { this->dispatch_status_(); }
 
 void BedJetHub::dump_config() {
-  ESP_LOGCONFIG(TAG, "BedJet Hub '%s'", this->get_name().c_str());
-  ESP_LOGCONFIG(TAG, "  ble_client.app_id: %d", this->parent()->app_id);
-  ESP_LOGCONFIG(TAG, "  ble_client.conn_id: %d", this->parent()->get_conn_id());
+  ESP_LOGCONFIG(TAG,
+                "BedJet Hub '%s'\n"
+                "  ble_client.app_id: %d\n"
+                "  ble_client.conn_id: %d",
+                this->get_name().c_str(), this->parent()->app_id, this->parent()->get_conn_id());
   LOG_UPDATE_INTERVAL(this)
   ESP_LOGCONFIG(TAG, "  Child components (%d):", this->children_.size());
   for (auto *child : this->children_) {
@@ -526,7 +529,7 @@ void BedJetHub::dispatch_status_() {
     }
 
     if (this->timeout_ > 0 && diff > this->timeout_ && this->parent()->enabled) {
-      ESP_LOGW(TAG, "[%s] Timed out after %" PRId32 " sec. Retrying...", this->get_name().c_str(), this->timeout_);
+      ESP_LOGW(TAG, "[%s] Timed out after %" PRId32 " sec. Retrying", this->get_name().c_str(), this->timeout_);
       // set_enabled(false) will only close the connection if state != IDLE.
       this->parent()->set_state(espbt::ClientState::CONNECTING);
       this->parent()->set_enabled(false);

esphome/components/bedjet/climate/__init__.py

@@ -1,11 +1,8 @@
-import logging
-
 import esphome.codegen as cg
 from esphome.components import ble_client, climate
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_HEAT_MODE,
-    CONF_ID,
     CONF_RECEIVE_TIMEOUT,
     CONF_TEMPERATURE_SOURCE,
     CONF_TIME_ID,
@@ -13,7 +10,6 @@ from esphome.const import (
 
 from .. import BEDJET_CLIENT_SCHEMA, bedjet_ns, register_bedjet_child
 
-_LOGGER = logging.getLogger(__name__)
 CODEOWNERS = ["@jhansche"]
 DEPENDENCIES = ["bedjet"]
 
@@ -30,9 +26,9 @@ BEDJET_TEMPERATURE_SOURCES = {
 }
 
 CONFIG_SCHEMA = (
-    climate.CLIMATE_SCHEMA.extend(
+    climate.climate_schema(BedJetClimate)
+    .extend(
         {
-            cv.GenerateID(): cv.declare_id(BedJetClimate),
             cv.Optional(CONF_HEAT_MODE, default="heat"): cv.enum(
                 BEDJET_HEAT_MODES, lower=True
             ),
@@ -63,9 +59,8 @@ 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 register_bedjet_child(var, config)
 
     cg.add(var.set_heating_mode(config[CONF_HEAT_MODE]))

esphome/components/bedjet/fan/__init__.py

@@ -1,31 +1,22 @@
-import logging
-
 import esphome.codegen as cg
 from esphome.components import fan
 import esphome.config_validation as cv
-from esphome.const import CONF_ID
 
 from .. import BEDJET_CLIENT_SCHEMA, bedjet_ns, register_bedjet_child
 
-_LOGGER = logging.getLogger(__name__)
 CODEOWNERS = ["@jhansche"]
 DEPENDENCIES = ["bedjet"]
 
 BedJetFan = bedjet_ns.class_("BedJetFan", fan.Fan, cg.PollingComponent)
 
 CONFIG_SCHEMA = (
-    fan.FAN_SCHEMA.extend(
-        {
-            cv.GenerateID(): cv.declare_id(BedJetFan),
-        }
-    )
+    fan.fan_schema(BedJetFan)
     .extend(cv.polling_component_schema("60s"))
     .extend(BEDJET_CLIENT_SCHEMA)
 )
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_ID])
+    var = await fan.new_fan(config)
     await cg.register_component(var, config)
-    await fan.register_fan(var, config)
     await register_bedjet_child(var, config)

esphome/components/beken_spi_led_strip/led_strip.cpp

@@ -119,7 +119,7 @@ void spi_dma_tx_finish_callback(unsigned int param) {
 }
 
 void BekenSPILEDStripLightOutput::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up Beken SPI LED Strip...");
+  ESP_LOGCONFIG(TAG, "Running setup");
 
   size_t buffer_size = this->get_buffer_size_();
   size_t dma_buffer_size = (buffer_size * 8) + (2 * 64);
@@ -256,7 +256,7 @@ void BekenSPILEDStripLightOutput::write_state(light::LightState *state) {
   this->last_refresh_ = now;
   this->mark_shown_();
 
-  ESP_LOGVV(TAG, "Writing RGB values to bus...");
+  ESP_LOGVV(TAG, "Writing RGB values to bus");
 
   if (spi_data == nullptr) {
     ESP_LOGE(TAG, "SPI not initialized");
@@ -345,8 +345,10 @@ light::ESPColorView BekenSPILEDStripLightOutput::get_view_internal(int32_t index
 }
 
 void BekenSPILEDStripLightOutput::dump_config() {
-  ESP_LOGCONFIG(TAG, "Beken SPI LED Strip:");
-  ESP_LOGCONFIG(TAG, "  Pin: %u", this->pin_);
+  ESP_LOGCONFIG(TAG,
+                "Beken SPI LED Strip:\n"
+                "  Pin: %u",
+                this->pin_);
   const char *rgb_order;
   switch (this->rgb_order_) {
     case ORDER_RGB:
@@ -371,9 +373,11 @@ void BekenSPILEDStripLightOutput::dump_config() {
       rgb_order = "UNKNOWN";
       break;
   }
-  ESP_LOGCONFIG(TAG, "  RGB Order: %s", rgb_order);
-  ESP_LOGCONFIG(TAG, "  Max refresh rate: %" PRIu32, *this->max_refresh_rate_);
-  ESP_LOGCONFIG(TAG, "  Number of LEDs: %u", this->num_leds_);
+  ESP_LOGCONFIG(TAG,
+                "  RGB Order: %s\n"
+                "  Max refresh rate: %" PRIu32 "\n"
+                "  Number of LEDs: %u",
+                rgb_order, *this->max_refresh_rate_, this->num_leds_);
 }
 
 float BekenSPILEDStripLightOutput::get_setup_priority() const { return setup_priority::HARDWARE; }

esphome/components/bh1750/bh1750.cpp

@@ -38,7 +38,7 @@ MTreg:
 */
 
 void BH1750Sensor::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up BH1750 '%s'...", this->name_.c_str());
+  ESP_LOGCONFIG(TAG, "Running setup for '%s'", this->name_.c_str());
   uint8_t turn_on = BH1750_COMMAND_POWER_ON;
   if (this->write(&turn_on, 1) != i2c::ERROR_OK) {
     this->mark_failed();
@@ -118,7 +118,7 @@ void BH1750Sensor::dump_config() {
   LOG_SENSOR("", "BH1750", this);
   LOG_I2C_DEVICE(this);
   if (this->is_failed()) {
-    ESP_LOGE(TAG, "Communication with BH1750 failed!");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL_FOR, this->get_name().c_str());
   }
 
   LOG_UPDATE_INTERVAL(this);

esphome/components/binary/fan/__init__.py

@@ -1,31 +1,28 @@
 import esphome.codegen as cg
 from esphome.components import fan, output
 import esphome.config_validation as cv
-from esphome.const import (
-    CONF_DIRECTION_OUTPUT,
-    CONF_OSCILLATION_OUTPUT,
-    CONF_OUTPUT,
-    CONF_OUTPUT_ID,
-)
+from esphome.const import CONF_DIRECTION_OUTPUT, CONF_OSCILLATION_OUTPUT, CONF_OUTPUT
 
 from .. import binary_ns
 
 BinaryFan = binary_ns.class_("BinaryFan", fan.Fan, cg.Component)
 
-CONFIG_SCHEMA = fan.FAN_SCHEMA.extend(
+CONFIG_SCHEMA = (
+    fan.fan_schema(BinaryFan)
+    .extend(
         {
-        cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(BinaryFan),
             cv.Required(CONF_OUTPUT): cv.use_id(output.BinaryOutput),
             cv.Optional(CONF_DIRECTION_OUTPUT): cv.use_id(output.BinaryOutput),
             cv.Optional(CONF_OSCILLATION_OUTPUT): cv.use_id(output.BinaryOutput),
         }
-).extend(cv.COMPONENT_SCHEMA)
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+)
 
 
 async def to_code(config):
-    var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
+    var = await fan.new_fan(config)
     await cg.register_component(var, config)
-    await fan.register_fan(var, config)
 
     output_ = await cg.get_variable(config[CONF_OUTPUT])
     cg.add(var.set_output(output_))

esphome/components/binary_sensor/__init__.py

@@ -386,7 +386,7 @@ def validate_click_timing(value):
     return value
 
 
-BINARY_SENSOR_SCHEMA = (
+_BINARY_SENSOR_SCHEMA = (
     cv.ENTITY_BASE_SCHEMA.extend(web_server.WEBSERVER_SORTING_SCHEMA)
     .extend(cv.MQTT_COMPONENT_SCHEMA)
     .extend(
@@ -458,19 +458,17 @@ BINARY_SENSOR_SCHEMA = (
     )
 )
 
-_UNDEF = object()
-
 
 def binary_sensor_schema(
-    class_: MockObjClass = _UNDEF,
+    class_: MockObjClass = cv.UNDEFINED,
     *,
-    icon: str = _UNDEF,
-    entity_category: str = _UNDEF,
-    device_class: str = _UNDEF,
+    icon: str = cv.UNDEFINED,
+    entity_category: str = cv.UNDEFINED,
+    device_class: str = cv.UNDEFINED,
 ) -> cv.Schema:
     schema = {}
 
-    if class_ is not _UNDEF:
+    if class_ is not cv.UNDEFINED:
         # Not cv.optional
         schema[cv.GenerateID()] = cv.declare_id(class_)
 
@@ -479,10 +477,15 @@ def binary_sensor_schema(
         (CONF_ENTITY_CATEGORY, entity_category, cv.entity_category),
         (CONF_DEVICE_CLASS, device_class, validate_device_class),
     ]:
-        if default is not _UNDEF:
+        if default is not cv.UNDEFINED:
             schema[cv.Optional(key, default=default)] = validator
 
-    return BINARY_SENSOR_SCHEMA.extend(schema)
+    return _BINARY_SENSOR_SCHEMA.extend(schema)
+
+
+# Remove before 2025.11.0
+BINARY_SENSOR_SCHEMA = binary_sensor_schema()
+BINARY_SENSOR_SCHEMA.add_extra(cv.deprecated_schema_constant("binary_sensor"))
 
 
 async def setup_binary_sensor_core_(var, config):
@@ -551,6 +554,7 @@ async def register_binary_sensor(var, config):
     if not CORE.has_id(config[CONF_ID]):
         var = cg.Pvariable(config[CONF_ID], var)
     cg.add(cg.App.register_binary_sensor(var))
+    CORE.register_platform_component("binary_sensor", var)
     await setup_binary_sensor_core_(var, config)