10 years

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

.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:

.github/workflows/ci-docker.yml

@@ -43,13 +43,13 @@ 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
+        uses: docker/setup-buildx-action@v3.11.1
 
       - name: Set TAG
         run: |

.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:
@@ -296,11 +296,11 @@ jobs:
             name: Run script/clang-tidy for ZEPHYR
             options: --environment nrf52-tidy --grep USE_ZEPHYR
             pio_cache_key: tidy-zephyr
-            ignore_errors: true
+            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:
@@ -356,7 +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
@@ -406,7 +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:
@@ -432,7 +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: |
@@ -462,7 +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/lock.yml

@@ -1,28 +1,13 @@
 ---
-name: Lock
+name: Lock closed issues and PRs
 
 on:
   schedule:
-    - cron: "30 0 * * *"
+    - cron: "30 0 * * *" # Run daily at 00:30 UTC
   workflow_dispatch:
 
-permissions:
-  issues: write
-  pull-requests: write
-
-concurrency:
-  group: lock
-
 jobs:
   lock:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: dessant/lock-threads@v5.0.1
-        with:
-          pr-inactive-days: "1"
-          pr-lock-reason: ""
-          exclude-any-pr-labels: keep-open
-
-          issue-inactive-days: "7"
-          issue-lock-reason: ""
-          exclude-any-issue-labels: keep-open
+    uses: esphome/workflows/.github/workflows/lock.yml@main
+    with:
+      since-days: 3650

.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 }}
@@ -85,14 +92,14 @@ 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
+        uses: docker/setup-buildx-action@v3.11.1
 
       - name: Log in to docker hub
         uses: docker/login-action@v3.4.0
@@ -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
@@ -171,7 +178,7 @@ jobs:
           merge-multiple: true
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.10.0
+        uses: docker/setup-buildx-action@v3.11.1
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'
@@ -235,9 +242,8 @@ jobs:
   deploy-esphome-schema:
     if: github.repository == 'esphome/esphome' && needs.init.outputs.branch_build == 'false'
     runs-on: ubuntu-latest
-    needs:
-      - init
-      - deploy-manifest
+    needs: [init]
+    environment: ${{ needs.init.outputs.deploy_env }}
     steps:
       - name: Trigger Workflow
         uses: actions/github-script@v7.0.1

.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: v0.11.9
+    rev: v0.12.0
     hooks:
       # Run the linter.
       - id: ruff
@@ -12,7 +12,7 @@ repos:
       # Run the formatter.
       - id: ruff-format
   - repo: https://github.com/PyCQA/flake8
-    rev: 7.2.0
+    rev: 7.3.0
     hooks:
       - id: flake8
         additional_dependencies:
@@ -28,10 +28,10 @@ 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: v1.37.1
     hooks:

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
@@ -318,6 +322,8 @@ 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/opt3001/* @ccutrer
 esphome/components/ota/* @esphome/core
 esphome/components/output/* @esphome/core
 esphome/components/packet_transport/* @clydebarrow
@@ -478,6 +484,8 @@ 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
@@ -513,6 +521,7 @@ esphome/components/xiaomi_lywsd03mmc/* @ahpohl
 esphome/components/xiaomi_mhoc303/* @drug123
 esphome/components/xiaomi_mhoc401/* @vevsvevs
 esphome/components/xiaomi_rtcgq02lm/* @jesserockz
+esphome/components/xiaomi_xmwsdj04mmc/* @medusalix
 esphome/components/xl9535/* @mreditor97
 esphome/components/xpt2046/touchscreen/* @nielsnl68 @numo68
 esphome/components/xxtea/* @clydebarrow

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()
-        rc = run_external_process(
-            "esphome", "--dashboard", "run", f, "--no-logs", "--device", "OTA"
-        )
+        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/codegen.py

@@ -22,6 +22,7 @@ from esphome.cpp_generator import (  # noqa: F401
     TemplateArguments,
     add,
     add_build_flag,
+    add_build_unflag,
     add_define,
     add_global,
     add_library,
@@ -34,6 +35,7 @@ from esphome.cpp_generator import (  # noqa: F401
     process_lambda,
     progmem_array,
     safe_exp,
+    set_cpp_standard,
     statement,
     static_const_array,
     templatable,

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

@@ -193,14 +193,13 @@ void AcDimmer::setup() {
   setTimer1Callback(&timer_interrupt);
 #endif
 #ifdef USE_ESP32
-  // 80 Divider -> 1 count=1µs
-  dimmer_timer = timerBegin(0, 80, true);
-  timerAttachInterrupt(dimmer_timer, &AcDimmerDataStore::s_timer_intr, true);
+  // timer frequency of 1mhz
+  dimmer_timer = timerBegin(1000000);
+  timerAttachInterrupt(dimmer_timer, &AcDimmerDataStore::s_timer_intr);
   // For ESP32, we can't use dynamic interval calculation because the timerX functions
   // are not callable from ISR (placed in flash storage).
   // Here we just use an interrupt firing every 50 µs.
-  timerAlarmWrite(dimmer_timer, 50, true);
-  timerAlarmEnable(dimmer_timer);
+  timerAlarm(dimmer_timer, 50, true, 0);
 #endif
 }
 void AcDimmer::write_state(float state) {
@@ -214,8 +213,10 @@ 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/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/alarm_control_panel/__init__.py

@@ -14,8 +14,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@grahambrown11", "@hwstar"]
 IS_PLATFORM_COMPONENT = True
@@ -149,6 +149,9 @@ _ALARM_CONTROL_PANEL_SCHEMA = (
 )
 
 
+_ALARM_CONTROL_PANEL_SCHEMA.add_extra(entity_duplicate_validator("alarm_control_panel"))
+
+
 def alarm_control_panel_schema(
     class_: MockObjClass,
     *,
@@ -190,7 +193,7 @@ ALARM_CONTROL_PANEL_CONDITION_SCHEMA = maybe_simple_id(
 
 
 async def setup_alarm_control_panel_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "alarm_control_panel")
     for conf in config.get(CONF_ON_STATE, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
         await automation.build_automation(trigger, [], conf)
@@ -235,6 +238,7 @@ 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)
 
 

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/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/anova.cpp

@@ -17,7 +17,11 @@ void Anova::setup() {
   this->current_request_ = 0;
 }
 
-void Anova::loop() {}
+void Anova::loop() {
+  // Parent BLEClientNode has a loop() method, but this component uses
+  // polling via update() and BLE callbacks so loop isn't needed
+  this->disable_loop();
+}
 
 void Anova::control(const ClimateCall &call) {
   if (call.get_mode().has_value()) {

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

@@ -188,6 +188,17 @@ message DeviceInfoRequest {
   // Empty
 }
 
+message AreaInfo {
+  uint32 area_id = 1;
+  string name = 2;
+}
+
+message DeviceInfo {
+  uint32 device_id = 1;
+  string name = 2;
+  uint32 area_id = 3;
+}
+
 message DeviceInfoResponse {
   option (id) = 10;
   option (source) = SOURCE_SERVER;
@@ -236,6 +247,12 @@ message DeviceInfoResponse {
 
   // Supports receiving and saving api encryption key
   bool api_encryption_supported = 19;
+
+  repeated DeviceInfo devices = 20;
+  repeated AreaInfo areas = 21;
+
+  // Top-level area info to phase out suggested_area
+  AreaInfo area = 22;
 }
 
 message ListEntitiesRequest {
@@ -266,6 +283,7 @@ enum EntityCategory {
 // ==================== BINARY SENSOR ====================
 message ListEntitiesBinarySensorResponse {
   option (id) = 12;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BINARY_SENSOR";
 
@@ -279,9 +297,11 @@ message ListEntitiesBinarySensorResponse {
   bool disabled_by_default = 7;
   string icon = 8;
   EntityCategory entity_category = 9;
+  uint32 device_id = 10;
 }
 message BinarySensorStateResponse {
   option (id) = 21;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BINARY_SENSOR";
   option (no_delay) = true;
@@ -296,6 +316,7 @@ message BinarySensorStateResponse {
 // ==================== COVER ====================
 message ListEntitiesCoverResponse {
   option (id) = 13;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_COVER";
 
@@ -312,6 +333,7 @@ message ListEntitiesCoverResponse {
   string icon = 10;
   EntityCategory entity_category = 11;
   bool supports_stop = 12;
+  uint32 device_id = 13;
 }
 
 enum LegacyCoverState {
@@ -325,6 +347,7 @@ enum CoverOperation {
 }
 message CoverStateResponse {
   option (id) = 22;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_COVER";
   option (no_delay) = true;
@@ -367,6 +390,7 @@ message CoverCommandRequest {
 // ==================== FAN ====================
 message ListEntitiesFanResponse {
   option (id) = 14;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_FAN";
 
@@ -383,6 +407,7 @@ message ListEntitiesFanResponse {
   string icon = 10;
   EntityCategory entity_category = 11;
   repeated string supported_preset_modes = 12;
+  uint32 device_id = 13;
 }
 enum FanSpeed {
   FAN_SPEED_LOW = 0;
@@ -395,6 +420,7 @@ enum FanDirection {
 }
 message FanStateResponse {
   option (id) = 23;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_FAN";
   option (no_delay) = true;
@@ -432,7 +458,8 @@ 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;
@@ -443,6 +470,7 @@ enum ColorMode {
 }
 message ListEntitiesLightResponse {
   option (id) = 15;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LIGHT";
 
@@ -463,9 +491,11 @@ message ListEntitiesLightResponse {
   bool disabled_by_default = 13;
   string icon = 14;
   EntityCategory entity_category = 15;
+  uint32 device_id = 16;
 }
 message LightStateResponse {
   option (id) = 24;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LIGHT";
   option (no_delay) = true;
@@ -535,6 +565,7 @@ enum SensorLastResetType {
 
 message ListEntitiesSensorResponse {
   option (id) = 16;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SENSOR";
 
@@ -553,9 +584,11 @@ message ListEntitiesSensorResponse {
   SensorLastResetType legacy_last_reset_type = 11;
   bool disabled_by_default = 12;
   EntityCategory entity_category = 13;
+  uint32 device_id = 14;
 }
 message SensorStateResponse {
   option (id) = 25;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SENSOR";
   option (no_delay) = true;
@@ -570,6 +603,7 @@ message SensorStateResponse {
 // ==================== SWITCH ====================
 message ListEntitiesSwitchResponse {
   option (id) = 17;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SWITCH";
 
@@ -583,9 +617,11 @@ message ListEntitiesSwitchResponse {
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
   string device_class = 9;
+  uint32 device_id = 10;
 }
 message SwitchStateResponse {
   option (id) = 26;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SWITCH";
   option (no_delay) = true;
@@ -606,6 +642,7 @@ message SwitchCommandRequest {
 // ==================== TEXT SENSOR ====================
 message ListEntitiesTextSensorResponse {
   option (id) = 18;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT_SENSOR";
 
@@ -618,9 +655,11 @@ message ListEntitiesTextSensorResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 message TextSensorStateResponse {
   option (id) = 27;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT_SENSOR";
   option (no_delay) = true;
@@ -788,6 +827,7 @@ message ExecuteServiceRequest {
 // ==================== CAMERA ====================
 message ListEntitiesCameraResponse {
   option (id) = 43;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ESP32_CAMERA";
 
@@ -798,6 +838,7 @@ message ListEntitiesCameraResponse {
   bool disabled_by_default = 5;
   string icon = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 
 message CameraImageResponse {
@@ -868,6 +909,7 @@ enum ClimatePreset {
 }
 message ListEntitiesClimateResponse {
   option (id) = 46;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_CLIMATE";
 
@@ -899,9 +941,11 @@ message ListEntitiesClimateResponse {
   bool supports_target_humidity = 23;
   float visual_min_humidity = 24;
   float visual_max_humidity = 25;
+  uint32 device_id = 26;
 }
 message ClimateStateResponse {
   option (id) = 47;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_CLIMATE";
   option (no_delay) = true;
@@ -963,6 +1007,7 @@ enum NumberMode {
 }
 message ListEntitiesNumberResponse {
   option (id) = 49;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_NUMBER";
 
@@ -980,9 +1025,11 @@ message ListEntitiesNumberResponse {
   string unit_of_measurement = 11;
   NumberMode mode = 12;
   string device_class = 13;
+  uint32 device_id = 14;
 }
 message NumberStateResponse {
   option (id) = 50;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_NUMBER";
   option (no_delay) = true;
@@ -1006,6 +1053,7 @@ message NumberCommandRequest {
 // ==================== SELECT ====================
 message ListEntitiesSelectResponse {
   option (id) = 52;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SELECT";
 
@@ -1018,9 +1066,11 @@ message ListEntitiesSelectResponse {
   repeated string options = 6;
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
+  uint32 device_id = 9;
 }
 message SelectStateResponse {
   option (id) = 53;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SELECT";
   option (no_delay) = true;
@@ -1044,6 +1094,7 @@ message SelectCommandRequest {
 // ==================== SIREN ====================
 message ListEntitiesSirenResponse {
   option (id) = 55;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SIREN";
 
@@ -1058,9 +1109,11 @@ message ListEntitiesSirenResponse {
   bool supports_duration = 8;
   bool supports_volume = 9;
   EntityCategory entity_category = 10;
+  uint32 device_id = 11;
 }
 message SirenStateResponse {
   option (id) = 56;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_SIREN";
   option (no_delay) = true;
@@ -1101,6 +1154,7 @@ enum LockCommand  {
 }
 message ListEntitiesLockResponse {
   option (id) = 58;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LOCK";
 
@@ -1119,9 +1173,11 @@ message ListEntitiesLockResponse {
 
   // Not yet implemented:
   string code_format = 11;
+  uint32 device_id = 12;
 }
 message LockStateResponse {
   option (id) = 59;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_LOCK";
   option (no_delay) = true;
@@ -1144,6 +1200,7 @@ message LockCommandRequest {
 // ==================== BUTTON ====================
 message ListEntitiesButtonResponse {
   option (id) = 61;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_BUTTON";
 
@@ -1156,6 +1213,7 @@ message ListEntitiesButtonResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 message ButtonCommandRequest {
   option (id) = 62;
@@ -1195,6 +1253,7 @@ message MediaPlayerSupportedFormat {
 }
 message ListEntitiesMediaPlayerResponse {
   option (id) = 63;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_MEDIA_PLAYER";
 
@@ -1210,9 +1269,12 @@ message ListEntitiesMediaPlayerResponse {
   bool supports_pause = 8;
 
   repeated MediaPlayerSupportedFormat supported_formats = 9;
+
+  uint32 device_id = 10;
 }
 message MediaPlayerStateResponse {
   option (id) = 64;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_MEDIA_PLAYER";
   option (no_delay) = true;
@@ -1614,6 +1676,7 @@ 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 {
@@ -1734,6 +1797,7 @@ enum AlarmControlPanelStateCommand {
 
 message ListEntitiesAlarmControlPanelResponse {
   option (id) = 94;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ALARM_CONTROL_PANEL";
 
@@ -1747,10 +1811,12 @@ message ListEntitiesAlarmControlPanelResponse {
   uint32 supported_features = 8;
   bool requires_code = 9;
   bool requires_code_to_arm = 10;
+  uint32 device_id = 11;
 }
 
 message AlarmControlPanelStateResponse {
   option (id) = 95;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_ALARM_CONTROL_PANEL";
   option (no_delay) = true;
@@ -1775,6 +1841,7 @@ enum TextMode {
 }
 message ListEntitiesTextResponse {
   option (id) = 97;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT";
 
@@ -1790,9 +1857,11 @@ message ListEntitiesTextResponse {
   uint32 max_length = 9;
   string pattern = 10;
   TextMode mode = 11;
+  uint32 device_id = 12;
 }
 message TextStateResponse {
   option (id) = 98;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_TEXT";
   option (no_delay) = true;
@@ -1817,6 +1886,7 @@ message TextCommandRequest {
 // ==================== DATETIME DATE ====================
 message ListEntitiesDateResponse {
   option (id) = 100;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATE";
 
@@ -1828,9 +1898,11 @@ message ListEntitiesDateResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message DateStateResponse {
   option (id) = 101;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATE";
   option (no_delay) = true;
@@ -1858,6 +1930,7 @@ message DateCommandRequest {
 // ==================== DATETIME TIME ====================
 message ListEntitiesTimeResponse {
   option (id) = 103;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_TIME";
 
@@ -1869,9 +1942,11 @@ message ListEntitiesTimeResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message TimeStateResponse {
   option (id) = 104;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_TIME";
   option (no_delay) = true;
@@ -1899,6 +1974,7 @@ message TimeCommandRequest {
 // ==================== EVENT ====================
 message ListEntitiesEventResponse {
   option (id) = 107;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_EVENT";
 
@@ -1913,9 +1989,11 @@ message ListEntitiesEventResponse {
   string device_class = 8;
 
   repeated string event_types = 9;
+  uint32 device_id = 10;
 }
 message EventResponse {
   option (id) = 108;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_EVENT";
 
@@ -1926,6 +2004,7 @@ message EventResponse {
 // ==================== VALVE ====================
 message ListEntitiesValveResponse {
   option (id) = 109;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_VALVE";
 
@@ -1942,6 +2021,7 @@ message ListEntitiesValveResponse {
   bool assumed_state = 9;
   bool supports_position = 10;
   bool supports_stop = 11;
+  uint32 device_id = 12;
 }
 
 enum ValveOperation {
@@ -1951,6 +2031,7 @@ enum ValveOperation {
 }
 message ValveStateResponse {
   option (id) = 110;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_VALVE";
   option (no_delay) = true;
@@ -1975,6 +2056,7 @@ message ValveCommandRequest {
 // ==================== DATETIME DATETIME ====================
 message ListEntitiesDateTimeResponse {
   option (id) = 112;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATETIME";
 
@@ -1986,9 +2068,11 @@ message ListEntitiesDateTimeResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message DateTimeStateResponse {
   option (id) = 113;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_DATETIME_DATETIME";
   option (no_delay) = true;
@@ -2012,6 +2096,7 @@ message DateTimeCommandRequest {
 // ==================== UPDATE ====================
 message ListEntitiesUpdateResponse {
   option (id) = 116;
+  option (base_class) = "InfoResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_UPDATE";
 
@@ -2024,9 +2109,11 @@ message ListEntitiesUpdateResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 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;
@@ -227,7 +149,7 @@ class APIConnection : public APIServerConnection {
 #ifdef USE_HOMEASSISTANT_TIME
   void send_time_request() {
     GetTimeRequest req;
-    this->send_get_time_request(req);
+    this->send_message(req);
   }
 #endif
 
@@ -246,24 +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
 
@@ -314,54 +229,414 @@ class APIConnection : public APIServerConnection {
   void on_no_setup_connection() override;
   ProtoWriteBuffer create_buffer(uint32_t reserve_size) override {
     // FIXME: ensure no recursive writes can happen
-    this->proto_write_buffer_.clear();
-    this->proto_write_buffer_.reserve(reserve_size);
-    return {&this->proto_write_buffer_};
-  }
-  bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) override;
 
-  std::string get_client_combined_info() const { return this->client_combined_info_; }
+    // 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};
+  }
+
+  // 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 {
+    if (this->client_info_ == this->client_peername_) {
+      // Before Hello message, both are the same (just IP:port)
+      return this->client_info_;
+    }
+    return this->client_info_ + " (" + this->client_peername_ + ")";
+  }
+
+  // Buffer allocator methods for batch processing
+  ProtoWriteBuffer allocate_single_message_buffer(uint16_t size);
+  ProtoWriteBuffer allocate_batch_message_buffer(uint16_t size);
 
  protected:
-  friend APIServer;
+  // 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();
 
-  bool send_(const void *buf, size_t len, bool force);
+    if (entity->has_own_name())
+      response.name = entity->get_name();
 
-  enum class ConnectionState {
+    // 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());
+#ifdef USE_DEVICES
+    response.device_id = entity->get_device_id();
+#endif
+  }
+
+  // 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);
+
+  // Pointers first (4 bytes each, naturally aligned)
+  std::unique_ptr<APIFrameHelper> helper_;
+  APIServer *parent_;
+
+  // 4-byte aligned types
+  uint32_t last_traffic_;
+  uint32_t next_ping_retry_{0};
+  int state_subs_at_ = -1;
+
+  // Strings (12 bytes each on 32-bit)
+  std::string client_info_;
+  std::string client_peername_;
+
+  // 2-byte aligned types
+  uint16_t client_api_version_major_{0};
+  uint16_t client_api_version_minor_{0};
+
+  // Group all 1-byte types together to minimize padding
+  enum class ConnectionState : uint8_t {
     WAITING_FOR_HELLO,
     CONNECTED,
     AUTHENTICATED,
   } connection_state_{ConnectionState::WAITING_FOR_HELLO};
-
+  uint8_t log_subscription_{ESPHOME_LOG_LEVEL_NONE};
   bool remove_{false};
+  bool state_subscription_{false};
+  bool sent_ping_{false};
+  bool service_call_subscription_{false};
+  bool next_close_ = false;
+  uint8_t ping_retries_{0};
+  // 8 bytes used, no padding needed
 
-  // 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_;
-  std::string client_peername_;
-  std::string client_combined_info_;
-  uint32_t client_api_version_major_{0};
-  uint32_t client_api_version_minor_{0};
+  // Larger objects at the end
+  InitialStateIterator initial_state_iterator_;
+  ListEntitiesIterator list_entities_iterator_;
 #ifdef USE_ESP32_CAMERA
   esp32_camera::CameraImageReader image_reader_;
 #endif
 
-  bool state_subscription_{false};
-  int log_subscription_{ESPHOME_LOG_LEVEL_NONE};
-  uint32_t last_traffic_;
-  uint32_t next_ping_retry_{0};
-  uint8_t ping_retries_{0};
-  bool sent_ping_{false};
-  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 tagged pointer
+  class MessageCreator {
+    // Ensure pointer alignment allows LSB tagging
+    static_assert(alignof(std::string *) > 1, "String pointer alignment must be > 1 for LSB tagging");
+
+   public:
+    // Constructor for function pointer
+    MessageCreator(MessageCreatorPtr ptr) {
+      // Function pointers are always aligned, so LSB is 0
+      data_.ptr = ptr;
+    }
+
+    // Constructor for string state capture
+    explicit MessageCreator(const std::string &str_value) {
+      // Allocate string and tag the pointer
+      auto *str = new std::string(str_value);
+      // Set LSB to 1 to indicate string pointer
+      data_.tagged = reinterpret_cast<uintptr_t>(str) | 1;
+    }
+
+    // Destructor
+    ~MessageCreator() {
+      if (has_tagged_string_ptr_()) {
+        delete get_string_ptr_();
+      }
+    }
+
+    // Copy constructor
+    MessageCreator(const MessageCreator &other) {
+      if (other.has_tagged_string_ptr_()) {
+        auto *str = new std::string(*other.get_string_ptr_());
+        data_.tagged = reinterpret_cast<uintptr_t>(str) | 1;
+      } else {
+        data_ = other.data_;
+      }
+    }
+
+    // Move constructor
+    MessageCreator(MessageCreator &&other) noexcept : data_(other.data_) { 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 (has_tagged_string_ptr_()) {
+          delete get_string_ptr_();
+        }
+        // Copy new data
+        if (other.has_tagged_string_ptr_()) {
+          auto *str = new std::string(*other.get_string_ptr_());
+          data_.tagged = reinterpret_cast<uintptr_t>(str) | 1;
+        } else {
+          data_ = other.data_;
+        }
+      }
+      return *this;
+    }
+
+    MessageCreator &operator=(MessageCreator &&other) noexcept {
+      if (this != &other) {
+        // Clean up current string data if needed
+        if (has_tagged_string_ptr_()) {
+          delete get_string_ptr_();
+        }
+        // Move data
+        data_ = other.data_;
+        // Reset other to safe state
+        other.data_.ptr = nullptr;
+      }
+      return *this;
+    }
+
+    // Call operator - now accepts message_type as parameter
+    uint16_t operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single,
+                        uint16_t message_type) const;
+
+   private:
+    // Check if this contains a string pointer
+    bool has_tagged_string_ptr_() const { return (data_.tagged & 1) != 0; }
+
+    // Get the actual string pointer (clears the tag bit)
+    std::string *get_string_ptr_() const {
+      // NOLINTNEXTLINE(performance-no-int-to-ptr)
+      return reinterpret_cast<std::string *>(data_.tagged & ~uintptr_t(1));
+    }
+
+    union {
+      MessageCreatorPtr ptr;
+      uintptr_t tagged;
+    } data_;  // 4 bytes on 32-bit
+  };
+
+  // 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

@@ -1,26 +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) {
@@ -73,92 +66,165 @@ const char *api_error_to_str(APIError err) {
   return "UNKNOWN";
 }
 
-// Common implementation for writing raw data to socket
-template<typename StateEnum>
-APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, socket::Socket *socket,
-                                    std::vector<uint8_t> &tx_buf, const std::string &info, StateEnum &state,
-                                    StateEnum failed_state) {
-  // This method writes data to socket or buffers it
+// Default implementation for loop - handles sending buffered data
+APIError APIFrameHelper::loop() {
+  if (!this->tx_buf_.empty()) {
+    APIError err = try_send_tx_buf_();
+    if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
+      return err;
+    }
+  }
+  return APIError::OK;  // Convert WOULD_BLOCK to OK to avoid connection termination
+}
+
+// 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_state
+  // Returns APIError::SOCKET_WRITE_FAILED if socket write failed, and sets state to FAILED
 
   if (iovcnt == 0)
     return APIError::OK;  // Nothing to do, success
 
-  size_t total_write_len = 0;
+  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 += iov[i].iov_len;
+    total_write_len += static_cast<uint16_t>(iov[i].iov_len);
   }
 
-  if (!tx_buf.empty()) {
-    // try to empty tx_buf first
-    while (!tx_buf.empty()) {
-      ssize_t sent = socket->write(tx_buf.data(), tx_buf.size());
-      if (is_would_block(sent)) {
-        break;
-      } else if (sent == -1) {
-        ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", info.c_str(), errno);
-        state = failed_state;
-        return APIError::SOCKET_WRITE_FAILED;  // Socket write failed
-      }
-      // TODO: inefficient if multiple packets in txbuf
-      // replace with deque of buffers
-      tx_buf.erase(tx_buf.begin(), tx_buf.begin() + sent);
+  // 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
     }
   }
 
-  if (!tx_buf.empty()) {
-    // tx buf not empty, can't write now because then stream would be inconsistent
-    // Reserve space upfront to avoid multiple reallocations
-    tx_buf.reserve(tx_buf.size() + total_write_len);
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf.insert(tx_buf.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                    reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
-    }
-    return APIError::OK;  // Success, data buffered
-  }
+  // Try to send directly if no buffered data
+  ssize_t sent = this->socket_->writev(iov, iovcnt);
 
-  ssize_t sent = socket->writev(iov, iovcnt);
-  if (is_would_block(sent)) {
-    // operation would block, add buffer to tx_buf
-    // Reserve space upfront to avoid multiple reallocations
-    tx_buf.reserve(tx_buf.size() + total_write_len);
-    for (int i = 0; i < iovcnt; i++) {
-      tx_buf.insert(tx_buf.end(), reinterpret_cast<uint8_t *>(iov[i].iov_base),
-                    reinterpret_cast<uint8_t *>(iov[i].iov_base) + iov[i].iov_len);
+  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
     }
-    return APIError::OK;  // Success, data buffered
-  } else if (sent == -1) {
-    // an error occurred
-    ESP_LOGVV(TAG, "%s: Socket write failed with errno %d", info.c_str(), errno);
-    state = failed_state;
+    // 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 ((size_t) sent != total_write_len) {
-    // partially sent, add end to tx_buf
-    size_t remaining = total_write_len - sent;
-    // Reserve space upfront to avoid multiple reallocations
-    tx_buf.reserve(tx_buf.size() + remaining);
+  } 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);
 
-    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;
+        // This segment was fully sent
+        to_consume -= static_cast<uint16_t>(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);
+        // 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;
       }
     }
-    return APIError::OK;  // Success, data buffered
+
+    this->tx_buf_.push_back(std::move(buffer));
   }
-  return APIError::OK;  // Success, all data sent
+
+  return APIError::OK;  // Success, all data sent or buffered
 }
 
-#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, info_.c_str(), ##__VA_ARGS__)
+// 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
 
@@ -206,23 +272,9 @@ 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
@@ -233,18 +285,21 @@ 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)
-    return err;
-  if (!tx_buf_.empty()) {
-    err = try_send_tx_buf_();
-    if (err != APIError::OK) {
+  // During handshake phase, process as many actions as possible until we can't progress
+  // socket_->ready() stays true until next main loop, but state_action() will return
+  // WOULD_BLOCK when no more data is available to read
+  while (state_ != State::DATA && this->socket_->ready()) {
+    APIError err = state_action_();
+    if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
       return err;
     }
+    if (err == APIError::WOULD_BLOCK) {
+      break;
+    }
   }
-  return APIError::OK;
+
+  // Use base class implementation for buffer sending
+  return APIFrameHelper::loop();
 }
 
 /** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
@@ -270,8 +325,8 @@ 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;
@@ -284,23 +339,21 @@ 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;
     }
 
+    if (rx_header_buf_[0] != 0x01) {
+      state_ = State::FAILED;
+      HELPER_LOG("Bad indicator byte %u", rx_header_buf_[0]);
+      return APIError::BAD_INDICATOR;
+    }
     // header reading done
   }
 
   // read body
-  uint8_t indicator = rx_header_buf_[0];
-  if (indicator != 0x01) {
-    state_ = State::FAILED;
-    HELPER_LOG("Bad indicator byte %u", indicator);
-    return APIError::BAD_INDICATOR;
-  }
-
   uint16_t msg_size = (((uint16_t) rx_header_buf_[1]) << 8) | rx_header_buf_[2];
 
   if (state_ != State::DATA && msg_size > 128) {
@@ -317,8 +370,8 @@ 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;
@@ -331,8 +384,8 @@ 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;
     }
@@ -381,6 +434,8 @@ 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());
@@ -389,16 +444,20 @@ 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);
 
@@ -493,16 +552,18 @@ 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;
@@ -530,7 +591,7 @@ 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;
@@ -538,10 +599,6 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
     return APIError::BAD_DATA_PACKET;
   }
 
-  // uint16_t type;
-  // uint16_t data_len;
-  // uint8_t *data;
-  // uint8_t *padding;  zero or more bytes to fill up the rest of the packet
   uint16_t type = (((uint16_t) msg_data[0]) << 8) | msg_data[1];
   uint16_t data_len = (((uint16_t) msg_data[2]) << 8) | msg_data[3];
   if (data_len > msg_size - 4) {
@@ -556,11 +613,22 @@ 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;
   }
@@ -569,70 +637,67 @@ 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());
 
-  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);
-  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;
-  }
+  // 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
 
-  size_t total_len = 3 + mbuf.size;
-  tmpbuf[1] = (uint8_t) (mbuf.size >> 8);
-  tmpbuf[2] = (uint8_t) mbuf.size;
+    // The buffer already has padding at offset
+    uint8_t *buf_start = raw_buffer->data() + offset;
 
-  struct iovec iov;
-  iov.iov_base = &tmpbuf[0];
-  iov.iov_len = total_len;
+    // Write noise header
+    buf_start[0] = 0x01;  // indicator
+    // buf_start[1], buf_start[2] to be set after encryption
 
-  // write raw to not have two packets sent if NAGLE disabled
-  return write_raw_(&iov, 1);
-}
-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;
+    // 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, 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("Socket write failed with errno %d", errno);
-      return APIError::SOCKET_WRITE_FAILED;
-    } else if (sent == 0) {
-      break;
+      HELPER_LOG("noise_cipherstate_encrypt failed: %s", noise_err_to_str(err).c_str());
+      return APIError::CIPHERSTATE_ENCRYPT_FAILED;
     }
-    // TODO: inefficient if multiple packets in txbuf
-    // replace with deque of buffers
-    tx_buf_.erase(tx_buf_.begin(), tx_buf_.begin() + sent);
+
+    // 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 = buf_start;
+    iov.iov_len = 3 + mbuf.size;  // indicator + size + encrypted data
+    this->reusable_iovs_.push_back(iov);
   }
 
-  return APIError::OK;
+  // Send all encrypted packets in one writev call
+  return this->write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size());
 }
-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);
@@ -642,12 +707,12 @@ 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.
@@ -718,6 +783,8 @@ APIError APINoiseFrameHelper::check_handshake_finished_() {
     return APIError::HANDSHAKESTATE_SPLIT_FAILED;
   }
 
+  frame_footer_size_ = noise_cipherstate_get_mac_length(send_cipher_);
+
   HELPER_LOG("Handshake complete!");
   noise_handshakestate_free(handshake_);
   handshake_ = nullptr;
@@ -740,76 +807,36 @@ 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();
   }
 }
 }
 
-// Explicit template instantiation for Noise
-template APIError APIFrameHelper::write_raw_<APINoiseFrameHelper::State>(
-    const struct iovec *iov, int iovcnt, socket::Socket *socket, std::vector<uint8_t> &tx_buf_, const std::string &info,
-    APINoiseFrameHelper::State &state, APINoiseFrameHelper::State failed_state);
 #endif  // USE_API_NOISE
 
 #ifdef USE_API_PLAINTEXT
 
 /// 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;
   return APIError::OK;
 }
-/// Not used for plaintext
 APIError APIPlaintextFrameHelper::loop() {
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
-  // try send pending TX data
-  if (!tx_buf_.empty()) {
-    APIError err = try_send_tx_buf_();
-    if (err != APIError::OK) {
-      return err;
-    }
-  }
-  return APIError::OK;
+  // Use base class implementation for buffer sending
+  return APIFrameHelper::loop();
 }
 
 /** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
@@ -829,8 +856,15 @@ 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;
@@ -843,32 +877,75 @@ 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 (rx_header_buf_[0] != 0x00) {
-      state_ = State::FAILED;
-      HELPER_LOG("Bad indicator byte %u", rx_header_buf_[0]);
-      return APIError::BAD_INDICATOR;
+    // 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
@@ -880,8 +957,8 @@ 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;
@@ -894,8 +971,8 @@ 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;
     }
@@ -909,11 +986,10 @@ 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;
 
@@ -941,7 +1017,7 @@ 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;
   }
@@ -952,70 +1028,89 @@ 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.reserve(1 + api::ProtoSize::varint(static_cast<uint32_t>(payload_len)) +
-                 api::ProtoSize::varint(static_cast<uint32_t>(type)));
-  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);
+  if (packets.empty()) {
+    return APIError::OK;
   }
 
-  return APIError::OK;
-}
+  std::vector<uint8_t> *raw_buffer = buffer.get_buffer();
+  this->reusable_iovs_.clear();
+  this->reusable_iovs_.reserve(packets.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;
+  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;
+
+  // Send all packets in one writev call
+  return write_raw_(this->reusable_iovs_.data(), this->reusable_iovs_.size());
 }
 
-// Explicit template instantiation for Plaintext
-template APIError APIFrameHelper::write_raw_<APIPlaintextFrameHelper::State>(
-    const struct iovec *iov, int iovcnt, socket::Socket *socket, std::vector<uint8_t> &tx_buf_, const std::string &info,
-    APIPlaintextFrameHelper::State &state, APIPlaintextFrameHelper::State failed_state);
 #endif  // USE_API_PLAINTEXT
 
 }  // namespace api

esphome/components/api/api_frame_helper.h

@@ -1,6 +1,7 @@
 #pragma once
 #include <cstdint>
 #include <deque>
+#include <limits>
 #include <utility>
 #include <vector>
 
@@ -12,25 +13,32 @@
 
 #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 {
+enum class APIError : uint16_t {
   OK = 0,
   WOULD_BLOCK = 1001,
   BAD_HANDSHAKE_PACKET_LEN = 1002,
@@ -60,141 +68,211 @@ 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 loop();
   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; }
+  };
+
   // 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);
+
+  // Pointers first (4 bytes each)
+  socket::Socket *socket_{nullptr};
+  std::unique_ptr<socket::Socket> socket_owned_;
+
+  // 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 : uint8_t {
+    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
+  };
+
+  // Containers (size varies, but typically 12+ bytes on 32-bit)
+  std::deque<SendBuffer> tx_buf_;
+  std::string info_;
+  std::vector<struct iovec> reusable_iovs_;
+  std::vector<uint8_t> rx_buf_;
+
+  // Group smaller types together
+  uint16_t rx_buf_len_ = 0;
+  State state_{State::INITIALIZE};
+  uint8_t frame_header_padding_{0};
+  uint8_t frame_footer_size_{0};
+  // 5 bytes total, 3 bytes padding
+
+  // 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);
-  inline APIError write_raw_(const struct iovec *iov, int iovcnt) {
-    return APIFrameHelper::write_raw_(iov, iovcnt, socket_.get(), tx_buf_, info_, state_, State::FAILED);
-  }
+  APIError 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_;
-  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;
-
-  std::vector<uint8_t> tx_buf_;
-  std::vector<uint8_t> prologue_;
-
-  std::shared_ptr<APINoiseContext> ctx_;
+  // Pointers first (4 bytes each)
   NoiseHandshakeState *handshake_{nullptr};
   NoiseCipherState *send_cipher_{nullptr};
   NoiseCipherState *recv_cipher_{nullptr};
+
+  // Shared pointer (8 bytes on 32-bit = 4 bytes control block pointer + 4 bytes object pointer)
+  std::shared_ptr<APINoiseContext> ctx_;
+
+  // Vector (12 bytes on 32-bit)
+  std::vector<uint8_t> prologue_;
+
+  // NoiseProtocolId (size depends on implementation)
   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;
+  // Group small types together
+  // 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];
+  uint8_t rx_header_buf_len_ = 0;
+  // 4 bytes total, no padding
 };
 #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_();
-  inline APIError write_raw_(const struct iovec *iov, int iovcnt) {
-    return APIFrameHelper::write_raw_(iov, iovcnt, socket_.get(), tx_buf_, info_, state_, State::FAILED);
-  }
 
-  std::unique_ptr<socket::Socket> socket_;
+  // Group 2-byte aligned types
+  uint16_t rx_header_parsed_type_ = 0;
+  uint16_t rx_header_parsed_len_ = 0;
 
-  std::string info_;
-  std::vector<uint8_t> rx_header_buf_;
+  // Group 1-byte types together
+  // 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;
+  // 8 bytes total, no padding needed
 };
 #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

@@ -10,162 +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_(msg.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_SIREN
-  bool send_list_entities_siren_response(const ListEntitiesSirenResponse &msg);
-#endif
-#ifdef USE_SIREN
-  bool send_siren_state_response(const SirenStateResponse &msg);
-#endif
+
 #ifdef USE_SIREN
   virtual void on_siren_command_request(const SirenCommandRequest &value){};
 #endif
-#ifdef USE_LOCK
-  bool send_list_entities_lock_response(const ListEntitiesLockResponse &msg);
-#endif
-#ifdef USE_LOCK
-  bool send_lock_state_response(const LockStateResponse &msg);
-#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
@@ -173,33 +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
@@ -212,49 +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);
-#endif
-#ifdef USE_BLUETOOTH_PROXY
-  bool send_bluetooth_scanner_state_response(const BluetoothScannerStateResponse &msg);
-#endif
+
 #ifdef USE_BLUETOOTH_PROXY
   virtual void on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &value){};
 #endif
 #ifdef USE_VOICE_ASSISTANT
   virtual void on_subscribe_voice_assistant_request(const SubscribeVoiceAssistantRequest &value){};
 #endif
-#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
@@ -262,7 +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
@@ -271,84 +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

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 +47,12 @@ void APIServer::setup() {
   }
 #endif
 
-  this->socket_ = socket::socket_ip(SOCK_STREAM, 0);
+  // Schedule reboot if no clients connect within timeout
+  if (this->reboot_timeout_ != 0) {
+    this->schedule_reboot_timeout_();
+  }
+
+  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 +97,12 @@ 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);
@@ -96,8 +111,6 @@ void APIServer::setup() {
   }
 #endif
 
-  this->last_connected_ = millis();
-
 #ifdef USE_ESP32_CAMERA
   if (esp32_camera::global_esp32_camera != nullptr && !esp32_camera::global_esp32_camera->is_internal()) {
     esp32_camera::global_esp32_camera->add_image_callback(
@@ -111,64 +124,88 @@ void APIServer::setup() {
 #endif
 }
 
-void APIServer::loop() {
-  // Accept new clients
-  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);
-    if (!sock)
-      break;
-    ESP_LOGD(TAG, "Accepted %s", sock->getpeername().c_str());
+void APIServer::schedule_reboot_timeout_() {
+  this->status_set_warning();
+  this->set_timeout("api_reboot", this->reboot_timeout_, []() {
+    if (!global_api_server->is_connected()) {
+      ESP_LOGE(TAG, "No clients; rebooting");
+      App.reboot();
+    }
+  });
+}
 
-    auto *conn = new APIConnection(std::move(sock), this);
-    this->clients_.emplace_back(conn);
-    conn->start();
+void APIServer::loop() {
+  // 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_loop_monitored((struct sockaddr *) &source_addr, &addr_len);
+      if (!sock)
+        break;
+      ESP_LOGD(TAG, "Accept %s", sock->getpeername().c_str());
+
+      auto *conn = new APIConnection(std::move(sock), this);
+      this->clients_.emplace_back(conn);
+      conn->start();
+
+      // Clear warning status and cancel reboot when first client connects
+      if (this->clients_.size() == 1 && this->reboot_timeout_ != 0) {
+        this->status_clear_warning();
+        this->cancel_timeout("api_reboot");
+      }
+    }
+  }
+
+  if (this->clients_.empty()) {
+    return;
   }
 
   // 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
-      }
+  // Check network connectivity once for all clients
+  if (!network::is_connected()) {
+    // Network is down - disconnect all clients
+    for (auto &client : this->clients_) {
+      client->on_fatal_error();
+      ESP_LOGW(TAG, "%s: Network down; disconnect", client->get_client_combined_info().c_str());
     }
+    // Continue to process and clean up the clients below
   }
 
-  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...");
-        App.reboot();
-      }
-      this->status_set_warning();
-    } else {
-      this->last_connected_ = now;
-      this->status_clear_warning();
+  size_t client_index = 0;
+  while (client_index < this->clients_.size()) {
+    auto &client = this->clients_[client_index];
+
+    if (!client->remove_) {
+      // Common case: process active client
+      client->loop();
+      client_index++;
+      continue;
     }
+
+    // Rare case: handle disconnection
+    this->client_disconnected_trigger_->trigger(client->client_info_, client->client_peername_);
+    ESP_LOGV(TAG, "Remove connection %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();
+
+    // Schedule reboot when last client disconnects
+    if (this->clients_.empty() && this->reboot_timeout_ != 0) {
+      this->schedule_reboot_timeout_();
+    }
+    // Don't increment client_index since we need to process the swapped element
   }
 }
 
 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()) {
@@ -213,11 +250,11 @@ bool APIServer::check_password(const std::string &password) const {
 void APIServer::handle_disconnect(APIConnection *conn) {}
 
 #ifdef USE_BINARY_SENSOR
-void APIServer::on_binary_sensor_update(binary_sensor::BinarySensor *obj, bool state) {
+void APIServer::on_binary_sensor_update(binary_sensor::BinarySensor *obj) {
   if (obj->is_internal())
     return;
   for (auto &c : this->clients_)
-    c->send_binary_sensor_state(obj, state);
+    c->send_binary_sensor_state(obj);
 }
 #endif
 
@@ -253,7 +290,7 @@ 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
 
@@ -262,7 +299,7 @@ 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
 
@@ -271,7 +308,7 @@ 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
 
@@ -289,7 +326,7 @@ 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
 
@@ -325,7 +362,7 @@ 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
 
@@ -334,7 +371,7 @@ 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
 
@@ -343,7 +380,7 @@ 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
 
@@ -394,6 +431,8 @@ 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);
@@ -452,7 +491,7 @@ 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());
       }
     });
   }
@@ -472,10 +511,36 @@ 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);
@@ -48,7 +54,7 @@ class APIServer : public Component, public Controller {
 
   void handle_disconnect(APIConnection *conn);
 #ifdef USE_BINARY_SENSOR
-  void on_binary_sensor_update(binary_sensor::BinarySensor *obj, bool state) override;
+  void on_binary_sensor_update(binary_sensor::BinarySensor *obj) override;
 #endif
 #ifdef USE_COVER
   void on_cover_update(cover::Cover *obj) override;
@@ -136,17 +142,28 @@ class APIServer : public Component, public Controller {
   }
 
  protected:
+  void schedule_reboot_timeout_();
+  // Pointers and pointer-like types first (4 bytes each)
   std::unique_ptr<socket::Socket> socket_ = nullptr;
-  uint16_t port_{6053};
-  uint32_t reboot_timeout_{300000};
-  uint32_t last_connected_{0};
-  std::vector<std::unique_ptr<APIConnection>> clients_;
-  std::string password_;
-  std::vector<HomeAssistantStateSubscription> state_subs_;
-  std::vector<UserServiceDescriptor *> user_services_;
   Trigger<std::string, std::string> *client_connected_trigger_ = new Trigger<std::string, std::string>();
   Trigger<std::string, std::string> *client_disconnected_trigger_ = new Trigger<std::string, std::string>();
 
+  // 4-byte aligned types
+  uint32_t reboot_timeout_{300000};
+  uint32_t batch_delay_{100};
+
+  // Vectors and strings (12 bytes each on 32-bit)
+  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_;
+
+  // Group smaller types together
+  uint16_t port_{6053};
+  bool shutting_down_ = false;
+  // 3 bytes used, 1 byte padding
+
 #ifdef USE_API_NOISE
   std::shared_ptr<APINoiseContext> noise_ctx_ = std::make_shared<APINoiseContext>();
   ESPPreferenceObject noise_pref_;

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 (consumed != nullptr)
-      *consumed = 0;
-
-    if (len == 0)
+    if (len == 0) {
+      if (consumed != nullptr)
+        *consumed = 0;
       return {};
+    }
 
-    uint64_t result = 0;
-    uint8_t bitpos = 0;
+    // Most common case: single-byte varint (values 0-127)
+    if ((buffer[0] & 0x80) == 0) {
+      if (consumed != nullptr)
+        *consumed = 1;
+      return ProtoVarInt(buffer[0]);
+    }
 
-    for (uint32_t i = 0; i < len; i++) {
+    // General case for multi-byte varints
+    // Since we know buffer[0]'s high bit is set, initialize with its value
+    uint64_t result = buffer[0] & 0x7F;
+    uint8_t bitpos = 7;
+
+    // Start from the second byte since we've already processed the first
+    for (uint32_t i = 1; i < len; i++) {
       uint8_t val = buffer[i];
       result |= uint64_t(val & 0x7F) << uint64_t(bitpos);
       bitpos += 7;
@@ -40,9 +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) {
@@ -175,7 +216,7 @@ class ProtoWriteBuffer {
     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);
@@ -286,12 +327,15 @@ class ProtoWriteBuffer {
 class ProtoMessage {
  public:
   virtual ~ProtoMessage() = default;
-  virtual void encode(ProtoWriteBuffer buffer) const = 0;
+  // Default implementation for messages with no fields
+  virtual void encode(ProtoWriteBuffer buffer) const {}
   void decode(const uint8_t *buffer, size_t length);
-  virtual void calculate_size(uint32_t &total_size) const = 0;
+  // Default implementation for messages with no fields
+  virtual void calculate_size(uint32_t &total_size) const {}
 #ifdef HAS_PROTO_MESSAGE_DUMP
   std::string dump() const;
   virtual void dump_to(std::string &out) const = 0;
+  virtual const char *message_name() const { return "unknown"; }
 #endif
 
  protected:
@@ -319,11 +363,11 @@ class ProtoService {
    * @return A ProtoWriteBuffer object with the reserved size.
    */
   virtual ProtoWriteBuffer create_buffer(uint32_t reserve_size) = 0;
-  virtual bool send_buffer(ProtoWriteBuffer buffer, uint32_t message_type) = 0;
+  virtual bool 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;
 
   // Optimized method that pre-allocates buffer based on message size
-  template<class C> bool send_message_(const C &msg, uint32_t message_type) {
+  bool send_message_(const ProtoMessage &msg, uint16_t message_type) {
     uint32_t msg_size = 0;
     msg.calculate_size(msg_size);
 
@@ -336,6 +380,26 @@ class ProtoService {
     // Send the buffer
     return this->send_buffer(buffer, message_type);
   }
+
+  // Authentication helper methods
+  bool check_connection_setup_() {
+    if (!this->is_connection_setup()) {
+      this->on_no_setup_connection();
+      return false;
+    }
+    return true;
+  }
+
+  bool check_authenticated_() {
+    if (!this->check_connection_setup_()) {
+      return false;
+    }
+    if (!this->is_authenticated()) {
+      this->on_unauthenticated_access();
+      return false;
+    }
+    return true;
+  }
 };
 
 }  // namespace api

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/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/async_tcp/__init__.py

@@ -21,8 +21,8 @@ CONFIG_SCHEMA = cv.All(
 @coroutine_with_priority(200.0)
 async def to_code(config):
     if CORE.is_esp32 or CORE.is_libretiny:
-        # https://github.com/esphome/AsyncTCP/blob/master/library.json
-        cg.add_library("esphome/AsyncTCP-esphome", "2.1.4")
+        # https://github.com/ESP32Async/AsyncTCP
+        cg.add_library("ESP32Async/AsyncTCP", "3.4.4")
     elif CORE.is_esp8266:
-        # https://github.com/esphome/ESPAsyncTCP
-        cg.add_library("esphome/ESPAsyncTCP-esphome", "2.0.0")
+        # https://github.com/ESP32Async/ESPAsyncTCP
+        cg.add_library("ESP32Async/ESPAsyncTCP", "2.0.0")

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/atm90e32.cpp

@@ -108,7 +108,7 @@ void ATM90E32Component::update() {
 }
 
 void ATM90E32Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up ATM90E32 Component...");
+  ESP_LOGCONFIG(TAG, "Running setup");
   this->spi_setup();
 
   uint16_t mmode0 = 0x87;  // 3P4W 50Hz
@@ -217,7 +217,7 @@ 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_);
@@ -686,7 +686,7 @@ void ATM90E32Component::restore_power_offset_calibrations_() {
 }
 
 void ATM90E32Component::clear_gain_calibrations() {
-  ESP_LOGI(TAG, "[CALIBRATION] Clearing stored gain calibrations and restoring config-defined values...");
+  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_;

esphome/components/audio/audio_transfer_buffer.cpp

@@ -86,7 +86,7 @@ bool AudioTransferBuffer::reallocate(size_t new_buffer_size) {
 bool AudioTransferBuffer::allocate_buffer_(size_t buffer_size) {
   this->buffer_size_ = buffer_size;
 
-  RAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
+  RAMAllocator<uint8_t> allocator;
 
   this->buffer_ = allocator.allocate(this->buffer_size_);
   if (this->buffer_ == nullptr) {
@@ -101,7 +101,7 @@ bool AudioTransferBuffer::allocate_buffer_(size_t buffer_size) {
 
 void AudioTransferBuffer::deallocate_buffer_() {
   if (this->buffer_ != nullptr) {
-    RAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
+    RAMAllocator<uint8_t> allocator;
     allocator.deallocate(this->buffer_, this->buffer_size_);
     this->buffer_ = nullptr;
     this->data_start_ = nullptr;

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 {
@@ -479,13 +480,19 @@ void BedJetHub::set_clock(uint8_t hour, uint8_t minute) {
 
 /* Internal */
 
-void BedJetHub::loop() {}
+void BedJetHub::loop() {
+  // Parent BLEClientNode has a loop() method, but this component uses
+  // polling via update() and BLE callbacks so loop isn't needed
+  this->disable_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 +533,7 @@ 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/climate/bedjet_climate.cpp

@@ -83,7 +83,11 @@ void BedJetClimate::reset_state_() {
   this->publish_state();
 }
 
-void BedJetClimate::loop() {}
+void BedJetClimate::loop() {
+  // This component is controlled via the parent BedJetHub
+  // Empty loop not needed, disable to save CPU cycles
+  this->disable_loop();
+}
 
 void BedJetClimate::control(const ClimateCall &call) {
   ESP_LOGD(TAG, "Received BedJetClimate::control");

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

@@ -7,11 +7,13 @@
 
 extern "C" {
 #include "rtos_pub.h"
-#include "spi.h"
+// rtos_pub.h must be included before the rest of the includes
+
 #include "arm_arch.h"
 #include "general_dma_pub.h"
 #include "gpio_pub.h"
 #include "icu_pub.h"
+#include "spi.h"
 #undef SPI_DAT
 #undef SPI_BASE
 };
@@ -119,12 +121,12 @@ 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);
 
-  ExternalRAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
+  RAMAllocator<uint8_t> allocator;
   this->buf_ = allocator.allocate(buffer_size);
   if (this->buf_ == nullptr) {
     ESP_LOGE(TAG, "Cannot allocate LED buffer!");
@@ -256,7 +258,7 @@ 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 +347,10 @@ 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 +375,11 @@ 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();
@@ -50,7 +50,7 @@ void BH1750Sensor::read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<
   // turn on (after one-shot sensor automatically powers down)
   uint8_t turn_on = BH1750_COMMAND_POWER_ON;
   if (this->write(&turn_on, 1) != i2c::ERROR_OK) {
-    ESP_LOGW(TAG, "Turning on BH1750 failed");
+    ESP_LOGW(TAG, "Power on failed");
     f(NAN);
     return;
   }
@@ -60,7 +60,7 @@ void BH1750Sensor::read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<
     uint8_t mtreg_hi = BH1750_COMMAND_MT_REG_HI | ((mtreg >> 5) & 0b111);
     uint8_t mtreg_lo = BH1750_COMMAND_MT_REG_LO | ((mtreg >> 0) & 0b11111);
     if (this->write(&mtreg_hi, 1) != i2c::ERROR_OK || this->write(&mtreg_lo, 1) != i2c::ERROR_OK) {
-      ESP_LOGW(TAG, "Setting measurement time for BH1750 failed");
+      ESP_LOGW(TAG, "Set measurement time failed");
       active_mtreg_ = 0;
       f(NAN);
       return;
@@ -88,7 +88,7 @@ void BH1750Sensor::read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<
       return;
   }
   if (this->write(&cmd, 1) != i2c::ERROR_OK) {
-    ESP_LOGW(TAG, "Starting measurement for BH1750 failed");
+    ESP_LOGW(TAG, "Start measurement failed");
     f(NAN);
     return;
   }
@@ -99,7 +99,7 @@ void BH1750Sensor::read_lx_(BH1750Mode mode, uint8_t mtreg, const std::function<
   this->set_timeout("read", meas_time, [this, mode, mtreg, f]() {
     uint16_t raw_value;
     if (this->read(reinterpret_cast<uint8_t *>(&raw_value), 2) != i2c::ERROR_OK) {
-      ESP_LOGW(TAG, "Reading BH1750 data failed");
+      ESP_LOGW(TAG, "Read data failed");
       f(NAN);
       return;
     }
@@ -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);
@@ -156,7 +156,7 @@ void BH1750Sensor::update() {
         this->publish_state(NAN);
         return;
       }
-      ESP_LOGD(TAG, "'%s': Got illuminance=%.1flx", this->get_name().c_str(), val);
+      ESP_LOGD(TAG, "'%s': Illuminance=%.1flx", this->get_name().c_str(), val);
       this->status_clear_warning();
       this->publish_state(val);
     });

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(
-    {
-        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)
+CONFIG_SCHEMA = (
+    fan.fan_schema(BinaryFan)
+    .extend(
+        {
+            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)
+)
 
 
 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

@@ -1,7 +1,10 @@
+from logging import getLogger
+
 from esphome import automation, core
 from esphome.automation import Condition, maybe_simple_id
 import esphome.codegen as cg
 from esphome.components import mqtt, web_server
+from esphome.components.const import CONF_ON_STATE_CHANGE
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_DELAY,
@@ -57,8 +60,8 @@ from esphome.const import (
     DEVICE_CLASS_WINDOW,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 from esphome.util import Registry
 
 CODEOWNERS = ["@esphome/core"]
@@ -98,6 +101,7 @@ IS_PLATFORM_COMPONENT = True
 
 CONF_TIME_OFF = "time_off"
 CONF_TIME_ON = "time_on"
+CONF_TRIGGER_ON_INITIAL_STATE = "trigger_on_initial_state"
 
 DEFAULT_DELAY = "1s"
 DEFAULT_TIME_OFF = "100ms"
@@ -127,15 +131,24 @@ MultiClickTriggerEvent = binary_sensor_ns.struct("MultiClickTriggerEvent")
 StateTrigger = binary_sensor_ns.class_(
     "StateTrigger", automation.Trigger.template(bool)
 )
+StateChangeTrigger = binary_sensor_ns.class_(
+    "StateChangeTrigger",
+    automation.Trigger.template(cg.optional.template(bool), cg.optional.template(bool)),
+)
+
 BinarySensorPublishAction = binary_sensor_ns.class_(
     "BinarySensorPublishAction", automation.Action
 )
+BinarySensorInvalidateAction = binary_sensor_ns.class_(
+    "BinarySensorInvalidateAction", automation.Action
+)
 
 # Condition
 BinarySensorCondition = binary_sensor_ns.class_("BinarySensorCondition", Condition)
 
 # Filters
 Filter = binary_sensor_ns.class_("Filter")
+TimeoutFilter = binary_sensor_ns.class_("TimeoutFilter", Filter, cg.Component)
 DelayedOnOffFilter = binary_sensor_ns.class_("DelayedOnOffFilter", Filter, cg.Component)
 DelayedOnFilter = binary_sensor_ns.class_("DelayedOnFilter", Filter, cg.Component)
 DelayedOffFilter = binary_sensor_ns.class_("DelayedOffFilter", Filter, cg.Component)
@@ -144,6 +157,8 @@ AutorepeatFilter = binary_sensor_ns.class_("AutorepeatFilter", Filter, cg.Compon
 LambdaFilter = binary_sensor_ns.class_("LambdaFilter", Filter)
 SettleFilter = binary_sensor_ns.class_("SettleFilter", Filter, cg.Component)
 
+_LOGGER = getLogger(__name__)
+
 FILTER_REGISTRY = Registry()
 validate_filters = cv.validate_registry("filter", FILTER_REGISTRY)
 
@@ -157,6 +172,19 @@ async def invert_filter_to_code(config, filter_id):
     return cg.new_Pvariable(filter_id)
 
 
+@register_filter(
+    "timeout",
+    TimeoutFilter,
+    cv.templatable(cv.positive_time_period_milliseconds),
+)
+async def timeout_filter_to_code(config, filter_id):
+    var = cg.new_Pvariable(filter_id)
+    await cg.register_component(var, {})
+    template_ = await cg.templatable(config, [], cg.uint32)
+    cg.add(var.set_timeout_value(template_))
+    return var
+
+
 @register_filter(
     "delayed_on_off",
     DelayedOnOffFilter,
@@ -386,6 +414,14 @@ def validate_click_timing(value):
     return value
 
 
+def validate_publish_initial_state(value):
+    value = cv.boolean(value)
+    _LOGGER.warning(
+        "The 'publish_initial_state' option has been replaced by 'trigger_on_initial_state' and will be removed in a future release"
+    )
+    return value
+
+
 _BINARY_SENSOR_SCHEMA = (
     cv.ENTITY_BASE_SCHEMA.extend(web_server.WEBSERVER_SORTING_SCHEMA)
     .extend(cv.MQTT_COMPONENT_SCHEMA)
@@ -395,7 +431,12 @@ _BINARY_SENSOR_SCHEMA = (
             cv.OnlyWith(CONF_MQTT_ID, "mqtt"): cv.declare_id(
                 mqtt.MQTTBinarySensorComponent
             ),
-            cv.Optional(CONF_PUBLISH_INITIAL_STATE): cv.boolean,
+            cv.Exclusive(
+                CONF_PUBLISH_INITIAL_STATE, CONF_TRIGGER_ON_INITIAL_STATE
+            ): validate_publish_initial_state,
+            cv.Exclusive(
+                CONF_TRIGGER_ON_INITIAL_STATE, CONF_TRIGGER_ON_INITIAL_STATE
+            ): cv.boolean,
             cv.Optional(CONF_DEVICE_CLASS): validate_device_class,
             cv.Optional(CONF_FILTERS): validate_filters,
             cv.Optional(CONF_ON_PRESS): automation.validate_automation(
@@ -454,11 +495,19 @@ _BINARY_SENSOR_SCHEMA = (
                     cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(StateTrigger),
                 }
             ),
+            cv.Optional(CONF_ON_STATE_CHANGE): automation.validate_automation(
+                {
+                    cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(StateChangeTrigger),
+                }
+            ),
         }
     )
 )
 
 
+_BINARY_SENSOR_SCHEMA.add_extra(entity_duplicate_validator("binary_sensor"))
+
+
 def binary_sensor_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -489,12 +538,14 @@ BINARY_SENSOR_SCHEMA.add_extra(cv.deprecated_schema_constant("binary_sensor"))
 
 
 async def setup_binary_sensor_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "binary_sensor")
 
     if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
         cg.add(var.set_device_class(device_class))
-    if publish_initial_state := config.get(CONF_PUBLISH_INITIAL_STATE):
-        cg.add(var.set_publish_initial_state(publish_initial_state))
+    trigger = config.get(CONF_TRIGGER_ON_INITIAL_STATE, False) or config.get(
+        CONF_PUBLISH_INITIAL_STATE, False
+    )
+    cg.add(var.set_trigger_on_initial_state(trigger))
     if inverted := config.get(CONF_INVERTED):
         cg.add(var.set_inverted(inverted))
     if filters_config := config.get(CONF_FILTERS):
@@ -542,6 +593,17 @@ async def setup_binary_sensor_core_(var, config):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
         await automation.build_automation(trigger, [(bool, "x")], conf)
 
+    for conf in config.get(CONF_ON_STATE_CHANGE, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(
+            trigger,
+            [
+                (cg.optional.template(bool), "x_previous"),
+                (cg.optional.template(bool), "x"),
+            ],
+            conf,
+        )
+
     if mqtt_id := config.get(CONF_MQTT_ID):
         mqtt_ = cg.new_Pvariable(mqtt_id, var)
         await mqtt.register_mqtt_component(mqtt_, config)
@@ -554,6 +616,7 @@ 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)
 
 
@@ -590,3 +653,18 @@ async def binary_sensor_is_off_to_code(config, condition_id, template_arg, args)
 async def to_code(config):
     cg.add_define("USE_BINARY_SENSOR")
     cg.add_global(binary_sensor_ns.using)
+
+
+@automation.register_action(
+    "binary_sensor.invalidate_state",
+    BinarySensorInvalidateAction,
+    cv.maybe_simple_value(
+        {
+            cv.Required(CONF_ID): cv.use_id(BinarySensor),
+        },
+        key=CONF_ID,
+    ),
+)
+async def binary_sensor_invalidate_state_to_code(config, action_id, template_arg, args):
+    paren = await cg.get_variable(config[CONF_ID])
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/components/binary_sensor/automation.cpp

@@ -68,8 +68,7 @@ void binary_sensor::MultiClickTrigger::on_state_(bool state) {
   *this->at_index_ = *this->at_index_ + 1;
 }
 void binary_sensor::MultiClickTrigger::schedule_cooldown_() {
-  ESP_LOGV(TAG, "Multi Click: Invalid length of press, starting cooldown of %" PRIu32 " ms...",
-           this->invalid_cooldown_);
+  ESP_LOGV(TAG, "Multi Click: Invalid length of press, starting cooldown of %" PRIu32 " ms", this->invalid_cooldown_);
   this->is_in_cooldown_ = true;
   this->set_timeout("cooldown", this->invalid_cooldown_, [this]() {
     ESP_LOGV(TAG, "Multi Click: Cooldown ended, matching is now enabled again.");

esphome/components/binary_sensor/automation.h

@@ -96,7 +96,7 @@ class MultiClickTrigger : public Trigger<>, public Component {
       : parent_(parent), timing_(std::move(timing)) {}
 
   void setup() override {
-    this->last_state_ = this->parent_->state;
+    this->last_state_ = this->parent_->get_state_default(false);
     auto f = std::bind(&MultiClickTrigger::on_state_, this, std::placeholders::_1);
     this->parent_->add_on_state_callback(f);
   }
@@ -130,6 +130,14 @@ class StateTrigger : public Trigger<bool> {
   }
 };
 
+class StateChangeTrigger : public Trigger<optional<bool>, optional<bool> > {
+ public:
+  explicit StateChangeTrigger(BinarySensor *parent) {
+    parent->add_full_state_callback(
+        [this](optional<bool> old_state, optional<bool> state) { this->trigger(old_state, state); });
+  }
+};
+
 template<typename... Ts> class BinarySensorCondition : public Condition<Ts...> {
  public:
   BinarySensorCondition(BinarySensor *parent, bool state) : parent_(parent), state_(state) {}
@@ -154,5 +162,15 @@ template<typename... Ts> class BinarySensorPublishAction : public Action<Ts...>
   BinarySensor *sensor_;
 };
 
+template<typename... Ts> class BinarySensorInvalidateAction : public Action<Ts...> {
+ public:
+  explicit BinarySensorInvalidateAction(BinarySensor *sensor) : sensor_(sensor) {}
+
+  void play(Ts... x) override { this->sensor_->invalidate_state(); }
+
+ protected:
+  BinarySensor *sensor_;
+};
+
 }  // namespace binary_sensor
 }  // namespace esphome

esphome/components/binary_sensor/binary_sensor.cpp

@@ -7,39 +7,26 @@ namespace binary_sensor {
 
 static const char *const TAG = "binary_sensor";
 
-void BinarySensor::add_on_state_callback(std::function<void(bool)> &&callback) {
-  this->state_callback_.add(std::move(callback));
-}
-
-void BinarySensor::publish_state(bool state) {
-  if (!this->publish_dedup_.next(state))
-    return;
+void BinarySensor::publish_state(bool new_state) {
   if (this->filter_list_ == nullptr) {
-    this->send_state_internal(state);
+    this->send_state_internal(new_state);
   } else {
-    this->filter_list_->input(state);
+    this->filter_list_->input(new_state);
   }
 }
-void BinarySensor::publish_initial_state(bool state) {
-  this->has_state_ = false;
-  this->publish_state(state);
+void BinarySensor::publish_initial_state(bool new_state) {
+  this->invalidate_state();
+  this->publish_state(new_state);
 }
-void BinarySensor::send_state_internal(bool state) {
-  bool is_initial = !this->has_state_;
-  if (is_initial) {
-    ESP_LOGD(TAG, "'%s': Sending initial state %s", this->get_name().c_str(), ONOFF(state));
-  } else {
-    ESP_LOGD(TAG, "'%s': Sending state %s", this->get_name().c_str(), ONOFF(state));
-  }
-  this->has_state_ = true;
-  this->state = state;
-  if (!is_initial || this->publish_initial_state_) {
-    this->state_callback_.call(state);
+void BinarySensor::send_state_internal(bool new_state) {
+  // copy the new state to the visible property for backwards compatibility, before any callbacks
+  this->state = new_state;
+  // Note that set_state_ de-dups and will only trigger callbacks if the state has actually changed
+  if (this->set_state_(new_state)) {
+    ESP_LOGD(TAG, "'%s': New state is %s", this->get_name().c_str(), ONOFF(new_state));
   }
 }
 
-BinarySensor::BinarySensor() : state(false) {}
-
 void BinarySensor::add_filter(Filter *filter) {
   filter->parent_ = this;
   if (this->filter_list_ == nullptr) {
@@ -56,7 +43,6 @@ void BinarySensor::add_filters(const std::vector<Filter *> &filters) {
     this->add_filter(filter);
   }
 }
-bool BinarySensor::has_state() const { return this->has_state_; }
 bool BinarySensor::is_status_binary_sensor() const { return false; }
 
 }  // namespace binary_sensor

esphome/components/binary_sensor/binary_sensor.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include "esphome/core/component.h"
 #include "esphome/core/entity_base.h"
 #include "esphome/core/helpers.h"
 #include "esphome/components/binary_sensor/filter.h"
@@ -34,52 +33,39 @@ namespace binary_sensor {
  * The sub classes should notify the front-end of new states via the publish_state() method which
  * handles inverted inputs for you.
  */
-class BinarySensor : public EntityBase, public EntityBase_DeviceClass {
+class BinarySensor : public StatefulEntityBase<bool>, public EntityBase_DeviceClass {
  public:
-  explicit BinarySensor();
-
-  /** Add a callback to be notified of state changes.
-   *
-   * @param callback The void(bool) callback.
-   */
-  void add_on_state_callback(std::function<void(bool)> &&callback);
+  explicit BinarySensor(){};
 
   /** Publish a new state to the front-end.
    *
-   * @param state The new state.
+   * @param new_state The new state.
    */
-  void publish_state(bool state);
+  void publish_state(bool new_state);
 
   /** Publish the initial state, this will not make the callback manager send callbacks
    * and is meant only for the initial state on boot.
    *
-   * @param state The new state.
+   * @param new_state The new state.
    */
-  void publish_initial_state(bool state);
-
-  /// The current reported state of the binary sensor.
-  bool state{false};
+  void publish_initial_state(bool new_state);
 
   void add_filter(Filter *filter);
   void add_filters(const std::vector<Filter *> &filters);
 
-  void set_publish_initial_state(bool publish_initial_state) { this->publish_initial_state_ = publish_initial_state; }
-
   // ========== INTERNAL METHODS ==========
   // (In most use cases you won't need these)
-  void send_state_internal(bool state);
+  void send_state_internal(bool new_state);
 
   /// Return whether this binary sensor has outputted a state.
-  virtual bool has_state() const;
-
   virtual bool is_status_binary_sensor() const;
 
+  // For backward compatibility, provide an accessible property
+
+  bool state{};
+
  protected:
-  CallbackManager<void(bool)> state_callback_{};
   Filter *filter_list_{nullptr};
-  bool has_state_{false};
-  bool publish_initial_state_{false};
-  Deduplicator<bool> publish_dedup_;
 };
 
 class BinarySensorInitiallyOff : public BinarySensor {

esphome/components/binary_sensor/filter.cpp

@@ -10,9 +10,6 @@ namespace binary_sensor {
 static const char *const TAG = "sensor.filter";
 
 void Filter::output(bool value) {
-  if (!this->dedup_.next(value))
-    return;
-
   if (this->next_ == nullptr) {
     this->parent_->send_state_internal(value);
   } else {
@@ -20,12 +17,20 @@ void Filter::output(bool value) {
   }
 }
 void Filter::input(bool value) {
+  if (!this->dedup_.next(value))
+    return;
   auto b = this->new_value(value);
   if (b.has_value()) {
     this->output(*b);
   }
 }
 
+void TimeoutFilter::input(bool value) {
+  this->set_timeout("timeout", this->timeout_delay_.value(), [this]() { this->parent_->invalidate_state(); });
+  // we do not de-dup here otherwise changes from invalid to valid state will not be output
+  this->output(value);
+}
+
 optional<bool> DelayedOnOffFilter::new_value(bool value) {
   if (value) {
     this->set_timeout("ON_OFF", this->on_delay_.value(), [this]() { this->output(true); });
@@ -101,7 +106,7 @@ void AutorepeatFilter::next_timing_() {
 
 void AutorepeatFilter::next_value_(bool val) {
   const AutorepeatFilterTiming &timing = this->timings_[this->active_timing_ - 2];
-  this->output(val);
+  this->output(val);  // This is at least the second one so not initial
   this->set_timeout("ON_OFF", val ? timing.time_on : timing.time_off, [this, val]() { this->next_value_(!val); });
 }
 

esphome/components/binary_sensor/filter.h

@@ -16,7 +16,7 @@ class Filter {
  public:
   virtual optional<bool> new_value(bool value) = 0;
 
-  void input(bool value);
+  virtual void input(bool value);
 
   void output(bool value);
 
@@ -28,6 +28,16 @@ class Filter {
   Deduplicator<bool> dedup_;
 };
 
+class TimeoutFilter : public Filter, public Component {
+ public:
+  optional<bool> new_value(bool value) override { return value; }
+  void input(bool value) override;
+  template<typename T> void set_timeout_value(T timeout) { this->timeout_delay_ = timeout; }
+
+ protected:
+  TemplatableValue<uint32_t> timeout_delay_{};
+};
+
 class DelayedOnOffFilter : public Filter, public Component {
  public:
   optional<bool> new_value(bool value) override;

esphome/components/bl0906/bl0906.cpp

@@ -100,7 +100,7 @@ void BL0906::handle_actions_() {
   for (int i = 0; i < this->action_queue_.size(); i++) {
     ptr_func = this->action_queue_[i];
     if (ptr_func) {
-      ESP_LOGI(TAG, "HandleActionCallback[%d]...", i);
+      ESP_LOGI(TAG, "HandleActionCallback[%d]", i);
       (this->*ptr_func)();
     }
   }

esphome/components/bl0942/bl0942.cpp

@@ -196,14 +196,17 @@ void BL0942::received_package_(DataPacket *data) {
 }
 
 void BL0942::dump_config() {  // NOLINT(readability-function-cognitive-complexity)
-  ESP_LOGCONFIG(TAG, "BL0942:");
-  ESP_LOGCONFIG(TAG, "  Reset: %s", TRUEFALSE(this->reset_));
-  ESP_LOGCONFIG(TAG, "  Address: %d", this->address_);
-  ESP_LOGCONFIG(TAG, "  Nominal line frequency: %d Hz", this->line_freq_);
-  ESP_LOGCONFIG(TAG, "  Current reference: %f", this->current_reference_);
-  ESP_LOGCONFIG(TAG, "  Energy reference: %f", this->energy_reference_);
-  ESP_LOGCONFIG(TAG, "  Power reference: %f", this->power_reference_);
-  ESP_LOGCONFIG(TAG, "  Voltage reference: %f", this->voltage_reference_);
+  ESP_LOGCONFIG(TAG,
+                "BL0942:\n"
+                "  Reset: %s\n"
+                "  Address: %d\n"
+                "  Nominal line frequency: %d Hz\n"
+                "  Current reference: %f\n"
+                "  Energy reference: %f\n"
+                "  Power reference: %f\n"
+                "  Voltage reference: %f",
+                TRUEFALSE(this->reset_), this->address_, this->line_freq_, this->current_reference_,
+                this->energy_reference_, this->power_reference_, this->voltage_reference_);
   LOG_SENSOR("", "Voltage", this->voltage_sensor_);
   LOG_SENSOR("", "Current", this->current_sensor_);
   LOG_SENSOR("", "Power", this->power_sensor_);

esphome/components/bl0942/sensor.py

@@ -9,6 +9,7 @@ from esphome.const import (
     CONF_ID,
     CONF_LINE_FREQUENCY,
     CONF_POWER,
+    CONF_RESET,
     CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
@@ -27,7 +28,6 @@ from esphome.const import (
 CONF_CURRENT_REFERENCE = "current_reference"
 CONF_ENERGY_REFERENCE = "energy_reference"
 CONF_POWER_REFERENCE = "power_reference"
-CONF_RESET = "reset"
 CONF_VOLTAGE_REFERENCE = "voltage_reference"
 
 DEPENDENCIES = ["uart"]

esphome/components/ble_client/__init__.py

@@ -1,7 +1,8 @@
 from esphome import automation
 from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
-from esphome.components import esp32_ble_client, esp32_ble_tracker
+from esphome.components import esp32_ble, esp32_ble_client, esp32_ble_tracker
+from esphome.components.esp32_ble import BTLoggers
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_CHARACTERISTIC_UUID,
@@ -287,6 +288,9 @@ async def remove_bond_to_code(config, action_id, template_arg, args):
 
 
 async def to_code(config):
+    # Register the loggers this component needs
+    esp32_ble.register_bt_logger(BTLoggers.GATT, BTLoggers.SMP)
+
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
     await esp32_ble_tracker.register_client(var, config)

esphome/components/ble_client/output/ble_binary_output.cpp

@@ -10,9 +10,12 @@ static const char *const TAG = "ble_binary_output";
 
 void BLEBinaryOutput::dump_config() {
   ESP_LOGCONFIG(TAG, "BLE Binary Output:");
-  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent_->address_str().c_str());
-  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
+  ESP_LOGCONFIG(TAG,
+                "  MAC address        : %s\n"
+                "  Service UUID       : %s\n"
+                "  Characteristic UUID: %s",
+                this->parent_->address_str().c_str(), this->service_uuid_.to_string().c_str(),
+                this->char_uuid_.to_string().c_str());
   LOG_BINARY_OUTPUT(this);
 }
 

esphome/components/ble_client/sensor/ble_rssi_sensor.cpp

@@ -11,7 +11,11 @@ namespace ble_client {
 
 static const char *const TAG = "ble_rssi_sensor";
 
-void BLEClientRSSISensor::loop() {}
+void BLEClientRSSISensor::loop() {
+  // Parent BLEClientNode has a loop() method, but this component uses
+  // polling via update() and BLE GAP callbacks so loop isn't needed
+  this->disable_loop();
+}
 
 void BLEClientRSSISensor::dump_config() {
   LOG_SENSOR("", "BLE Client RSSI Sensor", this);

esphome/components/ble_client/sensor/ble_sensor.cpp

@@ -1,7 +1,7 @@
 #include "ble_sensor.h"
-#include "esphome/core/log.h"
 #include "esphome/core/application.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 #include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
 
 #ifdef USE_ESP32
@@ -11,15 +11,22 @@ namespace ble_client {
 
 static const char *const TAG = "ble_sensor";
 
-void BLESensor::loop() {}
+void BLESensor::loop() {
+  // Parent BLEClientNode has a loop() method, but this component uses
+  // polling via update() and BLE callbacks so loop isn't needed
+  this->disable_loop();
+}
 
 void BLESensor::dump_config() {
   LOG_SENSOR("", "BLE Sensor", this);
-  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent()->address_str().c_str());
-  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Descriptor UUID    : %s", this->descr_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Notifications      : %s", YESNO(this->notify_));
+  ESP_LOGCONFIG(TAG,
+                "  MAC address        : %s\n"
+                "  Service UUID       : %s\n"
+                "  Characteristic UUID: %s\n"
+                "  Descriptor UUID    : %s\n"
+                "  Notifications      : %s",
+                this->parent()->address_str().c_str(), this->service_uuid_.to_string().c_str(),
+                this->char_uuid_.to_string().c_str(), this->descr_uuid_.to_string().c_str(), YESNO(this->notify_));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/ble_client/text_sensor/ble_text_sensor.cpp

@@ -14,15 +14,22 @@ static const char *const TAG = "ble_text_sensor";
 
 static const std::string EMPTY = "";
 
-void BLETextSensor::loop() {}
+void BLETextSensor::loop() {
+  // Parent BLEClientNode has a loop() method, but this component uses
+  // polling via update() and BLE callbacks so loop isn't needed
+  this->disable_loop();
+}
 
 void BLETextSensor::dump_config() {
   LOG_TEXT_SENSOR("", "BLE Text Sensor", this);
-  ESP_LOGCONFIG(TAG, "  MAC address        : %s", this->parent()->address_str().c_str());
-  ESP_LOGCONFIG(TAG, "  Service UUID       : %s", this->service_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Descriptor UUID    : %s", this->descr_uuid_.to_string().c_str());
-  ESP_LOGCONFIG(TAG, "  Notifications      : %s", YESNO(this->notify_));
+  ESP_LOGCONFIG(TAG,
+                "  MAC address        : %s\n"
+                "  Service UUID       : %s\n"
+                "  Characteristic UUID: %s\n"
+                "  Descriptor UUID    : %s\n"
+                "  Notifications      : %s",
+                this->parent()->address_str().c_str(), this->service_uuid_.to_string().c_str(),
+                this->char_uuid_.to_string().c_str(), this->descr_uuid_.to_string().c_str(), YESNO(this->notify_));
   LOG_UPDATE_INTERVAL(this);
 }
 

esphome/components/bluetooth_proxy/__init__.py

@@ -1,6 +1,7 @@
 import esphome.codegen as cg
-from esphome.components import esp32_ble_client, esp32_ble_tracker
+from esphome.components import esp32_ble, esp32_ble_client, esp32_ble_tracker
 from esphome.components.esp32 import add_idf_sdkconfig_option
+from esphome.components.esp32_ble import BTLoggers
 import esphome.config_validation as cv
 from esphome.const import CONF_ACTIVE, CONF_ID
 
@@ -77,6 +78,9 @@ CONFIG_SCHEMA = cv.All(
 
 
 async def to_code(config):
+    # Register the loggers this component needs
+    esp32_ble.register_bt_logger(BTLoggers.GATT, BTLoggers.L2CAP, BTLoggers.SMP)
+
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)