Merge branch 'dev' into nrf52_zigbee

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

@@ -17,7 +17,7 @@ runs:
   steps:
     - name: Set up Python ${{ inputs.python-version }}
       id: python
-      uses: actions/setup-python@v5.1.1
+      uses: actions/setup-python@v5.2.0
       with:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment

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

@@ -23,7 +23,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: "3.11"
 

.github/workflows/ci-docker.yml

@@ -42,7 +42,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: "3.9"
       - name: Set up Docker Buildx

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
         run: echo key="${{ hashFiles('requirements.txt', 'requirements_optional.txt', 'requirements_test.txt') }}" >> $GITHUB_OUTPUT
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: "3.x"
       - name: Set up python environment
@@ -85,7 +85,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4.1.7
       - name: Set up Python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: "3.9"
 
@@ -141,7 +141,7 @@ jobs:
           echo name=$(cat /tmp/platform) >> $GITHUB_OUTPUT
 
       - name: Upload digests
-        uses: actions/upload-artifact@v4.3.4
+        uses: actions/upload-artifact@v4.4.0
         with:
           name: digests-${{ steps.sanitize.outputs.name }}
           path: /tmp/digests

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

@@ -22,7 +22,7 @@ jobs:
           path: lib/home-assistant
 
       - name: Setup Python
-        uses: actions/setup-python@v5.1.0
+        uses: actions/setup-python@v5.2.0
         with:
           python-version: 3.12
 

CODEOWNERS

@@ -58,6 +58,7 @@ esphome/components/beken_spi_led_strip/* @Mat931
 esphome/components/bh1750/* @OttoWinter
 esphome/components/binary_sensor/* @esphome/core
 esphome/components/bk72xx/* @kuba2k2
+esphome/components/bl0906/* @athom-tech @jesserockz @tarontop
 esphome/components/bl0939/* @ziceva
 esphome/components/bl0940/* @tobias-
 esphome/components/bl0942/* @dbuezas
@@ -82,6 +83,7 @@ esphome/components/cap1188/* @mreditor97
 esphome/components/captive_portal/* @OttoWinter
 esphome/components/ccs811/* @habbie
 esphome/components/cd74hc4067/* @asoehlke
+esphome/components/ch422g/* @jesterret
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
 esphome/components/color_temperature/* @jesserockz
@@ -422,6 +424,7 @@ esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra
 esphome/components/uart/* @esphome/core
 esphome/components/uart/button/* @ssieb
+esphome/components/udp/* @clydebarrow
 esphome/components/ufire_ec/* @pvizeli
 esphome/components/ufire_ise/* @pvizeli
 esphome/components/ultrasonic/* @OttoWinter

docker/Dockerfile

@@ -34,8 +34,8 @@ RUN \
         python3-wheel=0.38.4-2 \
         iputils-ping=3:20221126-1 \
         git=1:2.39.2-1.1 \
-        curl=7.88.1-10+deb12u6 \
-        openssh-client=1:9.2p1-2+deb12u2 \
+        curl=7.88.1-10+deb12u7 \
+        openssh-client=1:9.2p1-2+deb12u3 \
         python3-cffi=1.15.1-5 \
         libcairo2=1.16.0-7 \
         libmagic1=1:5.44-3 \
@@ -49,7 +49,7 @@ RUN \
                 zlib1g-dev=1:1.2.13.dfsg-1 \
                 libjpeg-dev=1:2.1.5-2 \
                 libfreetype-dev=2.12.1+dfsg-5+deb12u3 \
-                libssl-dev=3.0.13-1~deb12u1 \
+                libssl-dev=3.0.14-1~deb12u1 \
                 libffi-dev=3.4.4-1 \
                 libopenjp2-7=2.5.0-2 \
                 libtiff6=4.5.0-6+deb12u1 \

esphome/components/api/api.proto

@@ -1107,6 +1107,19 @@ enum MediaPlayerCommand {
   MEDIA_PLAYER_COMMAND_MUTE = 3;
   MEDIA_PLAYER_COMMAND_UNMUTE = 4;
 }
+enum MediaPlayerFormatPurpose {
+  MEDIA_PLAYER_FORMAT_PURPOSE_DEFAULT = 0;
+  MEDIA_PLAYER_FORMAT_PURPOSE_ANNOUNCEMENT = 1;
+}
+message MediaPlayerSupportedFormat {
+  option (id) = 119;
+  option (ifdef) = "USE_MEDIA_PLAYER";
+
+  string format = 1;
+  uint32 sample_rate = 2;
+  uint32 num_channels = 3;
+  MediaPlayerFormatPurpose purpose = 4;
+}
 message ListEntitiesMediaPlayerResponse {
   option (id) = 63;
   option (source) = SOURCE_SERVER;
@@ -1122,6 +1135,8 @@ message ListEntitiesMediaPlayerResponse {
   EntityCategory entity_category = 7;
 
   bool supports_pause = 8;
+
+  repeated MediaPlayerSupportedFormat supported_formats = 9;
 }
 message MediaPlayerStateResponse {
   option (id) = 64;

esphome/components/api/api_connection.cpp

@@ -179,6 +179,7 @@ void APIConnection::loop() {
       SubscribeHomeAssistantStateResponse resp;
       resp.entity_id = it.entity_id;
       resp.attribute = it.attribute.value();
+      resp.once = it.once;
       if (this->send_subscribe_home_assistant_state_response(resp)) {
         state_subs_at_++;
       }
@@ -1025,6 +1026,15 @@ bool APIConnection::send_media_player_info(media_player::MediaPlayer *media_play
   auto traits = media_player->get_traits();
   msg.supports_pause = traits.get_supports_pause();
 
+  for (auto &supported_format : traits.get_supported_formats()) {
+    MediaPlayerSupportedFormat media_format;
+    media_format.format = supported_format.format;
+    media_format.sample_rate = supported_format.sample_rate;
+    media_format.num_channels = supported_format.num_channels;
+    media_format.purpose = static_cast<enums::MediaPlayerFormatPurpose>(supported_format.purpose);
+    msg.supported_formats.push_back(media_format);
+  }
+
   return this->send_list_entities_media_player_response(msg);
 }
 void APIConnection::media_player_command(const MediaPlayerCommandRequest &msg) {

esphome/components/api/api_pb2.cpp

@@ -387,6 +387,18 @@ template<> const char *proto_enum_to_string<enums::MediaPlayerCommand>(enums::Me
 }
 #endif
 #ifdef HAS_PROTO_MESSAGE_DUMP
+template<> const char *proto_enum_to_string<enums::MediaPlayerFormatPurpose>(enums::MediaPlayerFormatPurpose value) {
+  switch (value) {
+    case enums::MEDIA_PLAYER_FORMAT_PURPOSE_DEFAULT:
+      return "MEDIA_PLAYER_FORMAT_PURPOSE_DEFAULT";
+    case enums::MEDIA_PLAYER_FORMAT_PURPOSE_ANNOUNCEMENT:
+      return "MEDIA_PLAYER_FORMAT_PURPOSE_ANNOUNCEMENT";
+    default:
+      return "UNKNOWN";
+  }
+}
+#endif
+#ifdef HAS_PROTO_MESSAGE_DUMP
 template<>
 const char *proto_enum_to_string<enums::BluetoothDeviceRequestType>(enums::BluetoothDeviceRequestType value) {
   switch (value) {
@@ -5123,6 +5135,64 @@ void ButtonCommandRequest::dump_to(std::string &out) const {
   out.append("}");
 }
 #endif
+bool MediaPlayerSupportedFormat::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 2: {
+      this->sample_rate = value.as_uint32();
+      return true;
+    }
+    case 3: {
+      this->num_channels = value.as_uint32();
+      return true;
+    }
+    case 4: {
+      this->purpose = value.as_enum<enums::MediaPlayerFormatPurpose>();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool MediaPlayerSupportedFormat::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 1: {
+      this->format = value.as_string();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void MediaPlayerSupportedFormat::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_string(1, this->format);
+  buffer.encode_uint32(2, this->sample_rate);
+  buffer.encode_uint32(3, this->num_channels);
+  buffer.encode_enum<enums::MediaPlayerFormatPurpose>(4, this->purpose);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void MediaPlayerSupportedFormat::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("MediaPlayerSupportedFormat {\n");
+  out.append("  format: ");
+  out.append("'").append(this->format).append("'");
+  out.append("\n");
+
+  out.append("  sample_rate: ");
+  sprintf(buffer, "%" PRIu32, this->sample_rate);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  num_channels: ");
+  sprintf(buffer, "%" PRIu32, this->num_channels);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  purpose: ");
+  out.append(proto_enum_to_string<enums::MediaPlayerFormatPurpose>(this->purpose));
+  out.append("\n");
+  out.append("}");
+}
+#endif
 bool ListEntitiesMediaPlayerResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {
     case 6: {
@@ -5159,6 +5229,10 @@ bool ListEntitiesMediaPlayerResponse::decode_length(uint32_t field_id, ProtoLeng
       this->icon = value.as_string();
       return true;
     }
+    case 9: {
+      this->supported_formats.push_back(value.as_message<MediaPlayerSupportedFormat>());
+      return true;
+    }
     default:
       return false;
   }
@@ -5182,6 +5256,9 @@ void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
   buffer.encode_bool(8, this->supports_pause);
+  for (auto &it : this->supported_formats) {
+    buffer.encode_message<MediaPlayerSupportedFormat>(9, it, true);
+  }
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
@@ -5219,6 +5296,12 @@ void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
   out.append("  supports_pause: ");
   out.append(YESNO(this->supports_pause));
   out.append("\n");
+
+  for (const auto &it : this->supported_formats) {
+    out.append("  supported_formats: ");
+    it.dump_to(out);
+    out.append("\n");
+  }
   out.append("}");
 }
 #endif

esphome/components/api/api_pb2.h

@@ -156,6 +156,10 @@ enum MediaPlayerCommand : uint32_t {
   MEDIA_PLAYER_COMMAND_MUTE = 3,
   MEDIA_PLAYER_COMMAND_UNMUTE = 4,
 };
+enum MediaPlayerFormatPurpose : uint32_t {
+  MEDIA_PLAYER_FORMAT_PURPOSE_DEFAULT = 0,
+  MEDIA_PLAYER_FORMAT_PURPOSE_ANNOUNCEMENT = 1,
+};
 enum BluetoothDeviceRequestType : uint32_t {
   BLUETOOTH_DEVICE_REQUEST_TYPE_CONNECT = 0,
   BLUETOOTH_DEVICE_REQUEST_TYPE_DISCONNECT = 1,
@@ -1267,6 +1271,21 @@ class ButtonCommandRequest : public ProtoMessage {
  protected:
   bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
 };
+class MediaPlayerSupportedFormat : public ProtoMessage {
+ public:
+  std::string format{};
+  uint32_t sample_rate{0};
+  uint32_t num_channels{0};
+  enums::MediaPlayerFormatPurpose purpose{};
+  void encode(ProtoWriteBuffer buffer) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
 class ListEntitiesMediaPlayerResponse : public ProtoMessage {
  public:
   std::string object_id{};
@@ -1277,6 +1296,7 @@ class ListEntitiesMediaPlayerResponse : public ProtoMessage {
   bool disabled_by_default{false};
   enums::EntityCategory entity_category{};
   bool supports_pause{false};
+  std::vector<MediaPlayerSupportedFormat> supported_formats{};
   void encode(ProtoWriteBuffer buffer) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;

esphome/components/api/api_pb2_service.cpp

@@ -311,6 +311,14 @@ bool APIServerConnectionBase::send_list_entities_button_response(const ListEntit
 #ifdef USE_BUTTON
 #endif
 #ifdef USE_MEDIA_PLAYER
+bool APIServerConnectionBase::send_media_player_supported_format(const MediaPlayerSupportedFormat &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_media_player_supported_format: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<MediaPlayerSupportedFormat>(msg, 119);
+}
+#endif
+#ifdef USE_MEDIA_PLAYER
 bool APIServerConnectionBase::send_list_entities_media_player_response(const ListEntitiesMediaPlayerResponse &msg) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   ESP_LOGVV(TAG, "send_list_entities_media_player_response: %s", msg.dump().c_str());
@@ -1135,6 +1143,17 @@ bool APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       ESP_LOGVV(TAG, "on_update_command_request: %s", msg.dump().c_str());
 #endif
       this->on_update_command_request(msg);
+#endif
+      break;
+    }
+    case 119: {
+#ifdef USE_MEDIA_PLAYER
+      MediaPlayerSupportedFormat msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_media_player_supported_format: %s", msg.dump().c_str());
+#endif
+      this->on_media_player_supported_format(msg);
 #endif
       break;
     }

esphome/components/api/api_pb2_service.h

@@ -145,6 +145,10 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_BUTTON
   virtual void on_button_command_request(const ButtonCommandRequest &value){};
 #endif
+#ifdef USE_MEDIA_PLAYER
+  bool send_media_player_supported_format(const MediaPlayerSupportedFormat &msg);
+  virtual void on_media_player_supported_format(const MediaPlayerSupportedFormat &value){};
+#endif
 #ifdef USE_MEDIA_PLAYER
   bool send_list_entities_media_player_response(const ListEntitiesMediaPlayerResponse &msg);
 #endif

esphome/components/atm90e26/sensor.py

@@ -1,34 +1,34 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, spi
+import esphome.config_validation as cv
 from esphome.const import (
-    CONF_ID,
-    CONF_REACTIVE_POWER,
-    CONF_VOLTAGE,
     CONF_CURRENT,
+    CONF_FORWARD_ACTIVE_ENERGY,
+    CONF_FREQUENCY,
+    CONF_ID,
+    CONF_LINE_FREQUENCY,
     CONF_POWER,
     CONF_POWER_FACTOR,
-    CONF_FREQUENCY,
-    CONF_FORWARD_ACTIVE_ENERGY,
+    CONF_REACTIVE_POWER,
     CONF_REVERSE_ACTIVE_ENERGY,
+    CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
     DEVICE_CLASS_VOLTAGE,
-    ICON_LIGHTBULB,
     ICON_CURRENT_AC,
+    ICON_LIGHTBULB,
     STATE_CLASS_MEASUREMENT,
     STATE_CLASS_TOTAL_INCREASING,
+    UNIT_AMPERE,
     UNIT_HERTZ,
     UNIT_VOLT,
-    UNIT_AMPERE,
-    UNIT_WATT,
     UNIT_VOLT_AMPS_REACTIVE,
+    UNIT_WATT,
     UNIT_WATT_HOURS,
 )
 
-CONF_LINE_FREQUENCY = "line_frequency"
 CONF_METER_CONSTANT = "meter_constant"
 CONF_PL_CONST = "pl_const"
 CONF_GAIN_PGA = "gain_pga"

esphome/components/atm90e32/sensor.py

@@ -7,6 +7,7 @@ from esphome.const import (
     CONF_FORWARD_ACTIVE_ENERGY,
     CONF_FREQUENCY,
     CONF_ID,
+    CONF_LINE_FREQUENCY,
     CONF_PHASE_A,
     CONF_PHASE_ANGLE,
     CONF_PHASE_B,
@@ -39,7 +40,6 @@ from esphome.const import (
 
 from . import atm90e32_ns
 
-CONF_LINE_FREQUENCY = "line_frequency"
 CONF_CHIP_TEMPERATURE = "chip_temperature"
 CONF_GAIN_PGA = "gain_pga"
 CONF_CURRENT_PHASES = "current_phases"

esphome/components/bl0906/__init__.py

@@ -0,0 +1 @@
+CODEOWNERS = ["@athom-tech", "@tarontop", "@jesserockz"]

esphome/components/bl0906/bl0906.cpp

@@ -0,0 +1,238 @@
+#include "bl0906.h"
+#include "constants.h"
+
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace bl0906 {
+
+static const char *const TAG = "bl0906";
+
+constexpr uint32_t to_uint32_t(ube24_t input) { return input.h << 16 | input.m << 8 | input.l; }
+
+constexpr int32_t to_int32_t(sbe24_t input) { return input.h << 16 | input.m << 8 | input.l; }
+
+// The SUM byte is (Addr+Data_L+Data_M+Data_H)&0xFF negated;
+constexpr uint8_t bl0906_checksum(const uint8_t address, const DataPacket *data) {
+  return (address + data->l + data->m + data->h) ^ 0xFF;
+}
+
+void BL0906::loop() {
+  if (this->current_channel_ == UINT8_MAX) {
+    return;
+  }
+
+  while (this->available())
+    this->flush();
+
+  if (this->current_channel_ == 0) {
+    // Temperature
+    this->read_data_(BL0906_TEMPERATURE, BL0906_TREF, this->temperature_sensor_);
+  } else if (this->current_channel_ == 1) {
+    this->read_data_(BL0906_I_1_RMS, BL0906_IREF, this->current_1_sensor_);
+    this->read_data_(BL0906_WATT_1, BL0906_PREF, this->power_1_sensor_);
+    this->read_data_(BL0906_CF_1_CNT, BL0906_EREF, this->energy_1_sensor_);
+  } else if (this->current_channel_ == 2) {
+    this->read_data_(BL0906_I_2_RMS, BL0906_IREF, this->current_2_sensor_);
+    this->read_data_(BL0906_WATT_2, BL0906_PREF, this->power_2_sensor_);
+    this->read_data_(BL0906_CF_2_CNT, BL0906_EREF, this->energy_2_sensor_);
+  } else if (this->current_channel_ == 3) {
+    this->read_data_(BL0906_I_3_RMS, BL0906_IREF, this->current_3_sensor_);
+    this->read_data_(BL0906_WATT_3, BL0906_PREF, this->power_3_sensor_);
+    this->read_data_(BL0906_CF_3_CNT, BL0906_EREF, this->energy_3_sensor_);
+  } else if (this->current_channel_ == 4) {
+    this->read_data_(BL0906_I_4_RMS, BL0906_IREF, this->current_4_sensor_);
+    this->read_data_(BL0906_WATT_4, BL0906_PREF, this->power_4_sensor_);
+    this->read_data_(BL0906_CF_4_CNT, BL0906_EREF, this->energy_4_sensor_);
+  } else if (this->current_channel_ == 5) {
+    this->read_data_(BL0906_I_5_RMS, BL0906_IREF, this->current_5_sensor_);
+    this->read_data_(BL0906_WATT_5, BL0906_PREF, this->power_5_sensor_);
+    this->read_data_(BL0906_CF_5_CNT, BL0906_EREF, this->energy_5_sensor_);
+  } else if (this->current_channel_ == 6) {
+    this->read_data_(BL0906_I_6_RMS, BL0906_IREF, this->current_6_sensor_);
+    this->read_data_(BL0906_WATT_6, BL0906_PREF, this->power_6_sensor_);
+    this->read_data_(BL0906_CF_6_CNT, BL0906_EREF, this->energy_6_sensor_);
+  } else if (this->current_channel_ == UINT8_MAX - 2) {
+    // Frequency
+    this->read_data_(BL0906_FREQUENCY, BL0906_FREF, frequency_sensor_);
+    // Voltage
+    this->read_data_(BL0906_V_RMS, BL0906_UREF, voltage_sensor_);
+  } else if (this->current_channel_ == UINT8_MAX - 1) {
+    // Total power
+    this->read_data_(BL0906_WATT_SUM, BL0906_WATT, this->total_power_sensor_);
+    // Total Energy
+    this->read_data_(BL0906_CF_SUM_CNT, BL0906_CF, this->total_energy_sensor_);
+  } else {
+    this->current_channel_ = UINT8_MAX - 2;  // Go to frequency and voltage
+    return;
+  }
+  this->current_channel_++;
+  this->handle_actions_();
+}
+
+void BL0906::setup() {
+  while (this->available())
+    this->flush();
+  this->write_array(USR_WRPROT_WITABLE, sizeof(USR_WRPROT_WITABLE));
+  // Calibration (1: register address; 2: value before calibration; 3: value after calibration)
+  this->bias_correction_(BL0906_RMSOS_1, 0.01600, 0);  // Calibration current_1
+  this->bias_correction_(BL0906_RMSOS_2, 0.01500, 0);
+  this->bias_correction_(BL0906_RMSOS_3, 0.01400, 0);
+  this->bias_correction_(BL0906_RMSOS_4, 0.01300, 0);
+  this->bias_correction_(BL0906_RMSOS_5, 0.01200, 0);
+  this->bias_correction_(BL0906_RMSOS_6, 0.01200, 0);  // Calibration current_6
+
+  this->write_array(USR_WRPROT_ONLYREAD, sizeof(USR_WRPROT_ONLYREAD));
+}
+
+void BL0906::update() { this->current_channel_ = 0; }
+
+size_t BL0906::enqueue_action_(ActionCallbackFuncPtr function) {
+  this->action_queue_.push_back(function);
+  return this->action_queue_.size();
+}
+
+void BL0906::handle_actions_() {
+  if (this->action_queue_.empty()) {
+    return;
+  }
+  ActionCallbackFuncPtr ptr_func = nullptr;
+  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);
+      (this->*ptr_func)();
+    }
+  }
+
+  while (this->available()) {
+    this->read();
+  }
+
+  this->action_queue_.clear();
+}
+
+// Reset energy
+void BL0906::reset_energy_() {
+  this->write_array(BL0906_INIT[0], 6);
+  delay(1);
+  this->flush();
+
+  ESP_LOGW(TAG, "RMSOS:%02X%02X%02X%02X%02X%02X", BL0906_INIT[0][0], BL0906_INIT[0][1], BL0906_INIT[0][2],
+           BL0906_INIT[0][3], BL0906_INIT[0][4], BL0906_INIT[0][5]);
+}
+
+// Read data
+void BL0906::read_data_(const uint8_t address, const float reference, sensor::Sensor *sensor) {
+  if (sensor == nullptr) {
+    return;
+  }
+  DataPacket buffer;
+  ube24_t data_u24;
+  sbe24_t data_s24;
+  float value = 0;
+
+  bool signed_result = reference == BL0906_TREF || reference == BL0906_WATT || reference == BL0906_PREF;
+
+  this->write_byte(BL0906_READ_COMMAND);
+  this->write_byte(address);
+  if (this->read_array((uint8_t *) &buffer, sizeof(buffer) - 1)) {
+    if (bl0906_checksum(address, &buffer) == buffer.checksum) {
+      if (signed_result) {
+        data_s24.l = buffer.l;
+        data_s24.m = buffer.m;
+        data_s24.h = buffer.h;
+      } else {
+        data_u24.l = buffer.l;
+        data_u24.m = buffer.m;
+        data_u24.h = buffer.h;
+      }
+    } else {
+      ESP_LOGW(TAG, "Junk on wire. Throwing away partial message");
+      while (read() >= 0)
+        ;
+      return;
+    }
+  }
+  // Power
+  if (reference == BL0906_PREF) {
+    value = (float) to_int32_t(data_s24) * reference;
+  }
+
+  // Total power
+  if (reference == BL0906_WATT) {
+    value = (float) to_int32_t(data_s24) * reference;
+  }
+
+  // Voltage, current, power, total power
+  if (reference == BL0906_UREF || reference == BL0906_IREF || reference == BL0906_EREF || reference == BL0906_CF) {
+    value = (float) to_uint32_t(data_u24) * reference;
+  }
+
+  // Frequency
+  if (reference == BL0906_FREF) {
+    value = reference / (float) to_uint32_t(data_u24);
+  }
+  // Chip temperature
+  if (reference == BL0906_TREF) {
+    value = (float) to_int32_t(data_s24);
+    value = (value - 64) * 12.5 / 59 - 40;
+  }
+  sensor->publish_state(value);
+}
+
+// RMS offset correction
+void BL0906::bias_correction_(uint8_t address, float measurements, float correction) {
+  DataPacket data;
+  float ki = 12875 * 1 * (5.1 + 5.1) * 1000 / 2000 / 1.097;  // Current coefficient
+  float i_rms0 = measurements * ki;
+  float i_rms = correction * ki;
+  int32_t value = (i_rms * i_rms - i_rms0 * i_rms0) / 256;
+  data.l = value << 24 >> 24;
+  data.m = value << 16 >> 24;
+  if (value < 0) {
+    data.h = (value << 8 >> 24) | 0b10000000;
+  }
+  data.address = bl0906_checksum(address, &data);
+  ESP_LOGV(TAG, "RMSOS:%02X%02X%02X%02X%02X%02X", BL0906_WRITE_COMMAND, address, data.l, data.m, data.h, data.address);
+  this->write_byte(BL0906_WRITE_COMMAND);
+  this->write_byte(address);
+  this->write_byte(data.l);
+  this->write_byte(data.m);
+  this->write_byte(data.h);
+  this->write_byte(data.address);
+}
+
+void BL0906::dump_config() {
+  ESP_LOGCONFIG(TAG, "BL0906:");
+  LOG_SENSOR("  ", "Voltage", this->voltage_sensor_);
+
+  LOG_SENSOR("  ", "Current1", this->current_1_sensor_);
+  LOG_SENSOR("  ", "Current2", this->current_2_sensor_);
+  LOG_SENSOR("  ", "Current3", this->current_3_sensor_);
+  LOG_SENSOR("  ", "Current4", this->current_4_sensor_);
+  LOG_SENSOR("  ", "Current5", this->current_5_sensor_);
+  LOG_SENSOR("  ", "Current6", this->current_6_sensor_);
+
+  LOG_SENSOR("  ", "Power1", this->power_1_sensor_);
+  LOG_SENSOR("  ", "Power2", this->power_2_sensor_);
+  LOG_SENSOR("  ", "Power3", this->power_3_sensor_);
+  LOG_SENSOR("  ", "Power4", this->power_4_sensor_);
+  LOG_SENSOR("  ", "Power5", this->power_5_sensor_);
+  LOG_SENSOR("  ", "Power6", this->power_6_sensor_);
+
+  LOG_SENSOR("  ", "Energy1", this->energy_1_sensor_);
+  LOG_SENSOR("  ", "Energy2", this->energy_2_sensor_);
+  LOG_SENSOR("  ", "Energy3", this->energy_3_sensor_);
+  LOG_SENSOR("  ", "Energy4", this->energy_4_sensor_);
+  LOG_SENSOR("  ", "Energy5", this->energy_5_sensor_);
+  LOG_SENSOR("  ", "Energy6", this->energy_6_sensor_);
+
+  LOG_SENSOR("  ", "Total Power", this->total_power_sensor_);
+  LOG_SENSOR("  ", "Total Energy", this->total_energy_sensor_);
+  LOG_SENSOR("  ", "Frequency", this->frequency_sensor_);
+  LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
+}
+
+}  // namespace bl0906
+}  // namespace esphome

esphome/components/bl0906/bl0906.h

@@ -0,0 +1,96 @@
+#pragma once
+
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/uart/uart.h"
+#include "esphome/core/automation.h"
+#include "esphome/core/component.h"
+#include "esphome/core/datatypes.h"
+
+// https://www.belling.com.cn/media/file_object/bel_product/BL0906/datasheet/BL0906_V1.02_cn.pdf
+// https://www.belling.com.cn/media/file_object/bel_product/BL0906/guide/BL0906%20APP%20Note_V1.02.pdf
+
+namespace esphome {
+namespace bl0906 {
+
+struct DataPacket {  // NOLINT(altera-struct-pack-align)
+  uint8_t l{0};
+  uint8_t m{0};
+  uint8_t h{0};
+  uint8_t checksum;  // checksum
+  uint8_t address;
+} __attribute__((packed));
+
+struct ube24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
+  uint8_t l{0};
+  uint8_t m{0};
+  uint8_t h{0};
+} __attribute__((packed));
+
+struct sbe24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
+  uint8_t l{0};
+  uint8_t m{0};
+  int8_t h{0};
+} __attribute__((packed));
+
+template<typename... Ts> class ResetEnergyAction;
+
+class BL0906;
+
+using ActionCallbackFuncPtr = void (BL0906::*)();
+
+class BL0906 : public PollingComponent, public uart::UARTDevice {
+  SUB_SENSOR(voltage)
+  SUB_SENSOR(current_1)
+  SUB_SENSOR(current_2)
+  SUB_SENSOR(current_3)
+  SUB_SENSOR(current_4)
+  SUB_SENSOR(current_5)
+  SUB_SENSOR(current_6)
+  SUB_SENSOR(power_1)
+  SUB_SENSOR(power_2)
+  SUB_SENSOR(power_3)
+  SUB_SENSOR(power_4)
+  SUB_SENSOR(power_5)
+  SUB_SENSOR(power_6)
+  SUB_SENSOR(total_power)
+  SUB_SENSOR(energy_1)
+  SUB_SENSOR(energy_2)
+  SUB_SENSOR(energy_3)
+  SUB_SENSOR(energy_4)
+  SUB_SENSOR(energy_5)
+  SUB_SENSOR(energy_6)
+  SUB_SENSOR(total_energy)
+  SUB_SENSOR(frequency)
+  SUB_SENSOR(temperature)
+
+ public:
+  void loop() override;
+
+  void update() override;
+  void setup() override;
+  void dump_config() override;
+
+ protected:
+  template<typename... Ts> friend class ResetEnergyAction;
+
+  void reset_energy_();
+
+  void read_data_(uint8_t address, float reference, sensor::Sensor *sensor);
+
+  void bias_correction_(uint8_t address, float measurements, float correction);
+
+  uint8_t current_channel_{0};
+  size_t enqueue_action_(ActionCallbackFuncPtr function);
+  void handle_actions_();
+
+ private:
+  std::vector<ActionCallbackFuncPtr> action_queue_{};
+};
+
+template<typename... Ts> class ResetEnergyAction : public Action<Ts...>, public Parented<BL0906> {
+ public:
+  void play(Ts... x) override { this->parent_->enqueue_action_(&BL0906::reset_energy_); }
+};
+
+}  // namespace bl0906
+}  // namespace esphome

esphome/components/bl0906/const.py

@@ -0,0 +1,4 @@
+# const.py
+ICON_ENERGY = "mdi:lightning-bolt"
+ICON_FREQUENCY = "mdi:cosine-wave"
+ICON_VOLTAGE = "mdi:sine-wave"

esphome/components/bl0906/constants.h

@@ -0,0 +1,122 @@
+#pragma once
+#include <cstdint>
+
+namespace esphome {
+namespace bl0906 {
+
+// Total power conversion
+static const float BL0906_WATT = 16 * 1.097 * 1.097 * (20000 + 20000 + 20000 + 20000 + 20000) /
+                                 (40.41259 * ((5.1 + 5.1) * 1000 / 2000) * 1 * 100 * 1 * 1000);
+// Total Energy conversion
+static const float BL0906_CF = 16 * 4194304 * 0.032768 * 16 /
+                               (3600000 * 16 *
+                                (40.4125 * ((5.1 + 5.1) * 1000 / 2000) * 1 * 100 * 1 * 1000 /
+                                 (1.097 * 1.097 * (20000 + 20000 + 20000 + 20000 + 20000))));
+// Frequency conversion
+static const float BL0906_FREF = 10000000;
+// Temperature conversion
+static const float BL0906_TREF = 12.5 / 59 - 40;
+// Current conversion
+static const float BL0906_IREF = 1.097 / (12875 * 1 * (5.1 + 5.1) * 1000 / 2000);
+// Voltage conversion
+static const float BL0906_UREF = 1.097 * (20000 + 20000 + 20000 + 20000 + 20000) / (13162 * 1 * 100 * 1000);
+// Power conversion
+static const float BL0906_PREF = 1.097 * 1.097 * (20000 + 20000 + 20000 + 20000 + 20000) /
+                                 (40.41259 * ((5.1 + 5.1) * 1000 / 2000) * 1 * 100 * 1 * 1000);
+// Energy conversion
+static const float BL0906_EREF = 4194304 * 0.032768 * 16 /
+                                 (3600000 * 16 *
+                                  (40.4125 * ((5.1 + 5.1) * 1000 / 2000) * 1 * 100 * 1 * 1000 /
+                                   (1.097 * 1.097 * (20000 + 20000 + 20000 + 20000 + 20000))));
+// Current coefficient
+static const float BL0906_KI = 12875 * 1 * (5.1 + 5.1) * 1000 / 2000 / 1.097;
+// Power coefficient
+static const float BL0906_KP = 40.4125 * ((5.1 + 5.1) * 1000 / 2000) * 1 * 100 * 1 * 1000 / 1.097 / 1.097 /
+                               (20000 + 20000 + 20000 + 20000 + 20000);
+
+static const uint8_t USR_WRPROT_WITABLE[6] = {0xCA, 0x9E, 0x55, 0x55, 0x00, 0xB7};
+static const uint8_t USR_WRPROT_ONLYREAD[6] = {0xCA, 0x9E, 0x00, 0x00, 0x00, 0x61};
+
+static const uint8_t BL0906_READ_COMMAND = 0x35;
+static const uint8_t BL0906_WRITE_COMMAND = 0xCA;
+
+// Register address
+// Voltage
+static const uint8_t BL0906_V_RMS = 0x16;
+
+// Total power
+static const uint8_t BL0906_WATT_SUM = 0X2C;
+
+// Current1~6
+static const uint8_t BL0906_I_1_RMS = 0x0D;  // current_1
+static const uint8_t BL0906_I_2_RMS = 0x0E;
+static const uint8_t BL0906_I_3_RMS = 0x0F;
+static const uint8_t BL0906_I_4_RMS = 0x10;
+static const uint8_t BL0906_I_5_RMS = 0x13;
+static const uint8_t BL0906_I_6_RMS = 0x14;  // current_6
+
+// Power1~6
+static const uint8_t BL0906_WATT_1 = 0X23;  // power_1
+static const uint8_t BL0906_WATT_2 = 0X24;
+static const uint8_t BL0906_WATT_3 = 0X25;
+static const uint8_t BL0906_WATT_4 = 0X26;
+static const uint8_t BL0906_WATT_5 = 0X29;
+static const uint8_t BL0906_WATT_6 = 0X2A;  // power_6
+
+// Active pulse count, unsigned
+static const uint8_t BL0906_CF_1_CNT = 0X30;  // Channel_1
+static const uint8_t BL0906_CF_2_CNT = 0X31;
+static const uint8_t BL0906_CF_3_CNT = 0X32;
+static const uint8_t BL0906_CF_4_CNT = 0X33;
+static const uint8_t BL0906_CF_5_CNT = 0X36;
+static const uint8_t BL0906_CF_6_CNT = 0X37;  // Channel_6
+
+// Total active pulse count, unsigned
+static const uint8_t BL0906_CF_SUM_CNT = 0X39;
+
+// Voltage frequency cycle
+static const uint8_t BL0906_FREQUENCY = 0X4E;
+
+// Internal temperature
+static const uint8_t BL0906_TEMPERATURE = 0X5E;
+
+// Calibration register
+// RMS gain adjustment register
+static const uint8_t BL0906_RMSGN_1 = 0x6D;  // Channel_1
+static const uint8_t BL0906_RMSGN_2 = 0x6E;
+static const uint8_t BL0906_RMSGN_3 = 0x6F;
+static const uint8_t BL0906_RMSGN_4 = 0x70;
+static const uint8_t BL0906_RMSGN_5 = 0x73;
+static const uint8_t BL0906_RMSGN_6 = 0x74;  // Channel_6
+
+// RMS offset correction register
+static const uint8_t BL0906_RMSOS_1 = 0x78;  // Channel_1
+static const uint8_t BL0906_RMSOS_2 = 0x79;
+static const uint8_t BL0906_RMSOS_3 = 0x7A;
+static const uint8_t BL0906_RMSOS_4 = 0x7B;
+static const uint8_t BL0906_RMSOS_5 = 0x7E;
+static const uint8_t BL0906_RMSOS_6 = 0x7F;  // Channel_6
+
+// Active power gain adjustment register
+static const uint8_t BL0906_WATTGN_1 = 0xB7;  // Channel_1
+static const uint8_t BL0906_WATTGN_2 = 0xB8;
+static const uint8_t BL0906_WATTGN_3 = 0xB9;
+static const uint8_t BL0906_WATTGN_4 = 0xBA;
+static const uint8_t BL0906_WATTGN_5 = 0xBD;
+static const uint8_t BL0906_WATTGN_6 = 0xBE;  // Channel_6
+
+// User write protection setting register,
+// You must first write 0x5555 to the write protection setting register before writing to other registers.
+static const uint8_t BL0906_USR_WRPROT = 0x9E;
+
+// Reset Register
+static const uint8_t BL0906_SOFT_RESET = 0x9F;
+
+const uint8_t BL0906_INIT[2][6] = {
+    // Reset to default
+    {BL0906_WRITE_COMMAND, BL0906_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x52},
+    // Enable User Operation Write
+    {BL0906_WRITE_COMMAND, BL0906_USR_WRPROT, 0x55, 0x55, 0x00, 0xB7}};
+
+}  // namespace bl0906
+}  // namespace esphome

esphome/components/bl0906/sensor.py

@@ -0,0 +1,184 @@
+from esphome import automation
+from esphome.automation import maybe_simple_id
+import esphome.codegen as cg
+from esphome.components import sensor, uart
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_CHANNEL,
+    CONF_CURRENT,
+    CONF_ENERGY,
+    CONF_FREQUENCY,
+    CONF_ID,
+    CONF_NAME,
+    CONF_POWER,
+    CONF_TEMPERATURE,
+    CONF_TOTAL_POWER,
+    CONF_VOLTAGE,
+    DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_FREQUENCY,
+    DEVICE_CLASS_POWER,
+    DEVICE_CLASS_TEMPERATURE,
+    DEVICE_CLASS_VOLTAGE,
+    ICON_CURRENT_AC,
+    ICON_POWER,
+    ICON_THERMOMETER,
+    STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
+    UNIT_AMPERE,
+    UNIT_CELSIUS,
+    UNIT_HERTZ,
+    UNIT_KILOWATT_HOURS,
+    UNIT_VOLT,
+    UNIT_WATT,
+)
+
+# Import ICONS not included in esphome's const.py, from the local components const.py
+from .const import ICON_ENERGY, ICON_FREQUENCY, ICON_VOLTAGE
+
+DEPENDENCIES = ["uart"]
+AUTO_LOAD = ["bl0906"]
+CONF_TOTAL_ENERGY = "total_energy"
+
+bl0906_ns = cg.esphome_ns.namespace("bl0906")
+BL0906 = bl0906_ns.class_("BL0906", cg.PollingComponent, uart.UARTDevice)
+ResetEnergyAction = bl0906_ns.class_("ResetEnergyAction", automation.Action)
+
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(BL0906),
+            cv.Optional(CONF_FREQUENCY): sensor.sensor_schema(
+                icon=ICON_FREQUENCY,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_FREQUENCY,
+                unit_of_measurement=UNIT_HERTZ,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
+                icon=ICON_THERMOMETER,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_TEMPERATURE,
+                unit_of_measurement=UNIT_CELSIUS,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_VOLTAGE): sensor.sensor_schema(
+                icon=ICON_VOLTAGE,
+                accuracy_decimals=1,
+                device_class=DEVICE_CLASS_VOLTAGE,
+                unit_of_measurement=UNIT_VOLT,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_TOTAL_POWER): sensor.sensor_schema(
+                icon=ICON_POWER,
+                accuracy_decimals=3,
+                device_class=DEVICE_CLASS_POWER,
+                unit_of_measurement=UNIT_WATT,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_TOTAL_ENERGY): sensor.sensor_schema(
+                icon=ICON_ENERGY,
+                accuracy_decimals=3,
+                device_class=DEVICE_CLASS_ENERGY,
+                state_class=STATE_CLASS_TOTAL_INCREASING,
+                unit_of_measurement=UNIT_KILOWATT_HOURS,
+            ),
+        }
+    )
+    .extend(
+        cv.Schema(
+            {
+                cv.Optional(f"{CONF_CHANNEL}_{i + 1}"): cv.Schema(
+                    {
+                        cv.Optional(CONF_CURRENT): cv.maybe_simple_value(
+                            sensor.sensor_schema(
+                                icon=ICON_CURRENT_AC,
+                                accuracy_decimals=3,
+                                device_class=DEVICE_CLASS_CURRENT,
+                                unit_of_measurement=UNIT_AMPERE,
+                                state_class=STATE_CLASS_MEASUREMENT,
+                            ),
+                            key=CONF_NAME,
+                        ),
+                        cv.Optional(CONF_POWER): cv.maybe_simple_value(
+                            sensor.sensor_schema(
+                                icon=ICON_POWER,
+                                accuracy_decimals=0,
+                                device_class=DEVICE_CLASS_POWER,
+                                unit_of_measurement=UNIT_WATT,
+                                state_class=STATE_CLASS_MEASUREMENT,
+                            ),
+                            key=CONF_NAME,
+                        ),
+                        cv.Optional(CONF_ENERGY): cv.maybe_simple_value(
+                            sensor.sensor_schema(
+                                icon=ICON_ENERGY,
+                                accuracy_decimals=3,
+                                device_class=DEVICE_CLASS_ENERGY,
+                                unit_of_measurement=UNIT_KILOWATT_HOURS,
+                                state_class=STATE_CLASS_TOTAL_INCREASING,
+                            ),
+                            key=CONF_NAME,
+                        ),
+                    }
+                )
+                for i in range(6)
+            }
+        )
+    )
+    .extend(uart.UART_DEVICE_SCHEMA)
+    .extend(cv.polling_component_schema("60s"))
+)
+
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "bl0906", baud_rate=19200, require_tx=True, require_rx=True
+)
+
+
+@automation.register_action(
+    "bl0906.reset_energy",
+    ResetEnergyAction,
+    maybe_simple_id(
+        {
+            cv.Required(CONF_ID): cv.use_id(BL0906),
+        }
+    ),
+)
+async def reset_energy_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)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await uart.register_uart_device(var, config)
+    if frequency_config := config.get(CONF_FREQUENCY):
+        sens = await sensor.new_sensor(frequency_config)
+        cg.add(var.set_frequency_sensor(sens))
+    if temperature_config := config.get(CONF_TEMPERATURE):
+        sens = await sensor.new_sensor(temperature_config)
+        cg.add(var.set_temperature_sensor(sens))
+    if voltage_config := config.get(CONF_VOLTAGE):
+        sens = await sensor.new_sensor(voltage_config)
+        cg.add(var.set_voltage_sensor(sens))
+
+    for i in range(6):
+        if channel_config := config.get(f"{CONF_CHANNEL}_{i + 1}"):
+            if current_config := channel_config.get(CONF_CURRENT):
+                sens = await sensor.new_sensor(current_config)
+                cg.add(getattr(var, f"set_current_{i + 1}_sensor")(sens))
+            if power_config := channel_config.get(CONF_POWER):
+                sens = await sensor.new_sensor(power_config)
+                cg.add(getattr(var, f"set_power_{i + 1}_sensor")(sens))
+            if energy_config := channel_config.get(CONF_ENERGY):
+                sens = await sensor.new_sensor(energy_config)
+                cg.add(getattr(var, f"set_energy_{i + 1}_sensor")(sens))
+
+    if total_power_config := config.get(CONF_TOTAL_POWER):
+        sens = await sensor.new_sensor(total_power_config)
+        cg.add(var.set_total_power_sensor(sens))
+
+    if total_energy_config := config.get(CONF_TOTAL_ENERGY):
+        sens = await sensor.new_sensor(total_energy_config)
+        cg.add(var.set_total_energy_sensor(sens))

esphome/components/bl0942/bl0942.cpp

@@ -2,6 +2,8 @@
 #include "esphome/core/log.h"
 #include <cinttypes>
 
+// Datasheet: https://www.belling.com.cn/media/file_object/bel_product/BL0942/datasheet/BL0942_V1.06_en.pdf
+
 namespace esphome {
 namespace bl0942 {
 
@@ -12,33 +14,41 @@ static const uint8_t BL0942_FULL_PACKET = 0xAA;
 static const uint8_t BL0942_PACKET_HEADER = 0x55;
 
 static const uint8_t BL0942_WRITE_COMMAND = 0xA8;
-static const uint8_t BL0942_REG_I_FAST_RMS_CTRL = 0x10;
-static const uint8_t BL0942_REG_MODE = 0x18;
-static const uint8_t BL0942_REG_SOFT_RESET = 0x19;
-static const uint8_t BL0942_REG_USR_WRPROT = 0x1A;
+
+static const uint8_t BL0942_REG_I_RMSOS = 0x12;
+static const uint8_t BL0942_REG_WA_CREEP = 0x14;
+static const uint8_t BL0942_REG_I_FAST_RMS_TH = 0x15;
+static const uint8_t BL0942_REG_I_FAST_RMS_CYC = 0x16;
+static const uint8_t BL0942_REG_FREQ_CYC = 0x17;
+static const uint8_t BL0942_REG_OT_FUNX = 0x18;
+static const uint8_t BL0942_REG_MODE = 0x19;
+static const uint8_t BL0942_REG_SOFT_RESET = 0x1C;
+static const uint8_t BL0942_REG_USR_WRPROT = 0x1D;
 static const uint8_t BL0942_REG_TPS_CTRL = 0x1B;
 
-// TODO: Confirm insialisation works as intended
-const uint8_t BL0942_INIT[5][6] = {
-    // Reset to default
-    {BL0942_WRITE_COMMAND, BL0942_REG_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x38},
-    // Enable User Operation Write
-    {BL0942_WRITE_COMMAND, BL0942_REG_USR_WRPROT, 0x55, 0x00, 0x00, 0xF0},
-    // 0x0100 = CF_UNABLE energy pulse, AC_FREQ_SEL 50Hz, RMS_UPDATE_SEL 800mS
-    {BL0942_WRITE_COMMAND, BL0942_REG_MODE, 0x00, 0x10, 0x00, 0x37},
-    // 0x47FF = Over-current and leakage alarm on, Automatic temperature measurement, Interval 100mS
-    {BL0942_WRITE_COMMAND, BL0942_REG_TPS_CTRL, 0xFF, 0x47, 0x00, 0xFE},
-    // 0x181C = Half cycle, Fast RMS threshold 6172
-    {BL0942_WRITE_COMMAND, BL0942_REG_I_FAST_RMS_CTRL, 0x1C, 0x18, 0x00, 0x1B}};
+static const uint32_t BL0942_REG_MODE_RESV = 0x03;
+static const uint32_t BL0942_REG_MODE_CF_EN = 0x04;
+static const uint32_t BL0942_REG_MODE_RMS_UPDATE_SEL = 0x08;
+static const uint32_t BL0942_REG_MODE_FAST_RMS_SEL = 0x10;
+static const uint32_t BL0942_REG_MODE_AC_FREQ_SEL = 0x20;
+static const uint32_t BL0942_REG_MODE_CF_CNT_CLR_SEL = 0x40;
+static const uint32_t BL0942_REG_MODE_CF_CNT_ADD_SEL = 0x80;
+static const uint32_t BL0942_REG_MODE_UART_RATE_19200 = 0x200;
+static const uint32_t BL0942_REG_MODE_UART_RATE_38400 = 0x300;
+static const uint32_t BL0942_REG_MODE_DEFAULT =
+    BL0942_REG_MODE_RESV | BL0942_REG_MODE_CF_EN | BL0942_REG_MODE_CF_CNT_ADD_SEL;
+
+static const uint32_t BL0942_REG_SOFT_RESET_MAGIC = 0x5a5a5a;
+static const uint32_t BL0942_REG_USR_WRPROT_MAGIC = 0x55;
 
 void BL0942::loop() {
   DataPacket buffer;
   if (!this->available()) {
     return;
   }
-  if (read_array((uint8_t *) &buffer, sizeof(buffer))) {
-    if (validate_checksum(&buffer)) {
-      received_package_(&buffer);
+  if (this->read_array((uint8_t *) &buffer, sizeof(buffer))) {
+    if (this->validate_checksum_(&buffer)) {
+      this->received_package_(&buffer);
     }
   } else {
     ESP_LOGW(TAG, "Junk on wire. Throwing away partial message");
@@ -47,8 +57,8 @@ void BL0942::loop() {
   }
 }
 
-bool BL0942::validate_checksum(DataPacket *data) {
-  uint8_t checksum = BL0942_READ_COMMAND;
+bool BL0942::validate_checksum_(DataPacket *data) {
+  uint8_t checksum = BL0942_READ_COMMAND | this->address_;
   // Whole package but checksum
   uint8_t *raw = (uint8_t *) data;
   for (uint32_t i = 0; i < sizeof(*data) - 1; i++) {
@@ -61,17 +71,58 @@ bool BL0942::validate_checksum(DataPacket *data) {
   return checksum == data->checksum;
 }
 
-void BL0942::update() {
+void BL0942::write_reg_(uint8_t reg, uint32_t val) {
+  uint8_t pkt[6];
+
   this->flush();
-  this->write_byte(BL0942_READ_COMMAND);
+  pkt[0] = BL0942_WRITE_COMMAND | this->address_;
+  pkt[1] = reg;
+  pkt[2] = (val & 0xff);
+  pkt[3] = (val >> 8) & 0xff;
+  pkt[4] = (val >> 16) & 0xff;
+  pkt[5] = (pkt[0] + pkt[1] + pkt[2] + pkt[3] + pkt[4]) ^ 0xff;
+  this->write_array(pkt, 6);
+  delay(1);
+}
+
+int BL0942::read_reg_(uint8_t reg) {
+  union {
+    uint8_t b[4];
+    uint32_le_t le32;
+  } resp;
+
+  this->write_byte(BL0942_READ_COMMAND | this->address_);
+  this->write_byte(reg);
+  this->flush();
+  if (this->read_array(resp.b, 4) &&
+      resp.b[3] ==
+          (uint8_t) ((BL0942_READ_COMMAND + this->address_ + reg + resp.b[0] + resp.b[1] + resp.b[2]) ^ 0xff)) {
+    resp.b[3] = 0;
+    return resp.le32;
+  }
+  return -1;
+}
+
+void BL0942::update() {
+  this->write_byte(BL0942_READ_COMMAND | this->address_);
   this->write_byte(BL0942_FULL_PACKET);
 }
 
 void BL0942::setup() {
-  for (auto *i : BL0942_INIT) {
-    this->write_array(i, 6);
-    delay(1);
-  }
+  this->write_reg_(BL0942_REG_USR_WRPROT, BL0942_REG_USR_WRPROT_MAGIC);
+  this->write_reg_(BL0942_REG_SOFT_RESET, BL0942_REG_SOFT_RESET_MAGIC);
+
+  uint32_t mode = BL0942_REG_MODE_DEFAULT;
+  mode |= BL0942_REG_MODE_RMS_UPDATE_SEL; /* 800ms refresh time */
+  if (this->line_freq_ == LINE_FREQUENCY_60HZ)
+    mode |= BL0942_REG_MODE_AC_FREQ_SEL;
+  this->write_reg_(BL0942_REG_MODE, mode);
+
+  this->write_reg_(BL0942_REG_USR_WRPROT, 0);
+
+  if (this->read_reg_(BL0942_REG_MODE) != mode)
+    this->status_set_warning("BL0942 setup failed!");
+
   this->flush();
 }
 
@@ -104,13 +155,15 @@ void BL0942::received_package_(DataPacket *data) {
   if (frequency_sensor_ != nullptr) {
     frequency_sensor_->publish_state(frequency);
   }
-
+  this->status_clear_warning();
   ESP_LOGV(TAG, "BL0942: U %fV, I %fA, P %fW, Cnt %" PRId32 ", ∫P %fkWh, frequency %fHz, status 0x%08X", v_rms, i_rms,
            watt, cf_cnt, total_energy_consumption, frequency, data->status);
 }
 
 void BL0942::dump_config() {  // NOLINT(readability-function-cognitive-complexity)
   ESP_LOGCONFIG(TAG, "BL0942:");
+  ESP_LOGCONFIG(TAG, "  Address: %d", this->address_);
+  ESP_LOGCONFIG(TAG, "  Nominal line frequency: %d Hz", this->line_freq_);
   LOG_SENSOR("", "Voltage", this->voltage_sensor_);
   LOG_SENSOR("", "Current", this->current_sensor_);
   LOG_SENSOR("", "Power", this->power_sensor_);

esphome/components/bl0942/bl0942.h

@@ -28,6 +28,11 @@ struct DataPacket {
   uint8_t checksum;
 } __attribute__((packed));
 
+enum LineFrequency : uint8_t {
+  LINE_FREQUENCY_50HZ = 50,
+  LINE_FREQUENCY_60HZ = 60,
+};
+
 class BL0942 : public PollingComponent, public uart::UARTDevice {
  public:
   void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
@@ -35,9 +40,10 @@ class BL0942 : public PollingComponent, public uart::UARTDevice {
   void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
   void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
   void set_frequency_sensor(sensor::Sensor *frequency_sensor) { frequency_sensor_ = frequency_sensor; }
+  void set_line_freq(LineFrequency freq) { this->line_freq_ = freq; }
+  void set_address(uint8_t address) { this->address_ = address; }
 
   void loop() override;
-
   void update() override;
   void setup() override;
   void dump_config() override;
@@ -59,9 +65,12 @@ class BL0942 : public PollingComponent, public uart::UARTDevice {
   float current_reference_ = BL0942_IREF;
   // Divide by this to turn into kWh
   float energy_reference_ = BL0942_EREF;
+  uint8_t address_ = 0;
+  LineFrequency line_freq_ = LINE_FREQUENCY_50HZ;
 
-  static bool validate_checksum(DataPacket *data);
-
+  bool validate_checksum_(DataPacket *data);
+  int read_reg_(uint8_t reg);
+  void write_reg_(uint8_t reg, uint32_t val);
   void received_package_(DataPacket *data);
 };
 }  // namespace bl0942

esphome/components/bl0942/sensor.py

@@ -1,25 +1,27 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, uart
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_ADDRESS,
     CONF_CURRENT,
     CONF_ENERGY,
+    CONF_FREQUENCY,
     CONF_ID,
+    CONF_LINE_FREQUENCY,
     CONF_POWER,
     CONF_VOLTAGE,
-    CONF_FREQUENCY,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_FREQUENCY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_VOLTAGE,
-    DEVICE_CLASS_FREQUENCY,
     STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
     UNIT_AMPERE,
+    UNIT_HERTZ,
     UNIT_KILOWATT_HOURS,
     UNIT_VOLT,
     UNIT_WATT,
-    UNIT_HERTZ,
-    STATE_CLASS_TOTAL_INCREASING,
 )
 
 DEPENDENCIES = ["uart"]
@@ -27,6 +29,12 @@ DEPENDENCIES = ["uart"]
 bl0942_ns = cg.esphome_ns.namespace("bl0942")
 BL0942 = bl0942_ns.class_("BL0942", cg.PollingComponent, uart.UARTDevice)
 
+LineFrequency = bl0942_ns.enum("LineFrequency")
+LINE_FREQS = {
+    50: LineFrequency.LINE_FREQUENCY_50HZ,
+    60: LineFrequency.LINE_FREQUENCY_60HZ,
+}
+
 CONFIG_SCHEMA = (
     cv.Schema(
         {
@@ -61,6 +69,14 @@ CONFIG_SCHEMA = (
                 device_class=DEVICE_CLASS_FREQUENCY,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_LINE_FREQUENCY, default="50HZ"): cv.All(
+                cv.frequency,
+                cv.enum(
+                    LINE_FREQS,
+                    int=True,
+                ),
+            ),
+            cv.Optional(CONF_ADDRESS, default=0): cv.int_range(min=0, max=3),
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -88,3 +104,5 @@ async def to_code(config):
     if frequency_config := config.get(CONF_FREQUENCY):
         sens = await sensor.new_sensor(frequency_config)
         cg.add(var.set_frequency_sensor(sens))
+    cg.add(var.set_line_freq(config[CONF_LINE_FREQUENCY]))
+    cg.add(var.set_address(config[CONF_ADDRESS]))

esphome/components/bluetooth_proxy/bluetooth_proxy.cpp

@@ -54,6 +54,9 @@ bool BluetoothProxy::parse_devices(esp_ble_gap_cb_param_t::ble_scan_result_evt_p
     }
 
     resp.advertisements.push_back(std::move(adv));
+
+    ESP_LOGV(TAG, "Proxying raw packet from %02X:%02X:%02X:%02X:%02X:%02X, length %d. RSSI: %d dB", result.bda[0],
+             result.bda[1], result.bda[2], result.bda[3], result.bda[4], result.bda[5], length, result.rssi);
   }
   ESP_LOGV(TAG, "Proxying %d packets", count);
   this->api_connection_->send_bluetooth_le_raw_advertisements_response(resp);
@@ -87,6 +90,8 @@ void BluetoothProxy::send_api_packet_(const esp32_ble_tracker::ESPBTDevice &devi
 void BluetoothProxy::dump_config() {
   ESP_LOGCONFIG(TAG, "Bluetooth Proxy:");
   ESP_LOGCONFIG(TAG, "  Active: %s", YESNO(this->active_));
+  ESP_LOGCONFIG(TAG, "  Connections: %d", this->connections_.size());
+  ESP_LOGCONFIG(TAG, "  Raw advertisements: %s", YESNO(this->raw_advertisements_));
 }
 
 int BluetoothProxy::get_bluetooth_connections_free() {

esphome/components/ch422g/__init__.py

@@ -0,0 +1,67 @@
+from esphome import pins
+import esphome.codegen as cg
+from esphome.components import i2c
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_INPUT,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+    CONF_OUTPUT,
+    CONF_RESTORE_VALUE,
+)
+
+CODEOWNERS = ["@jesterret"]
+DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
+ch422g_ns = cg.esphome_ns.namespace("ch422g")
+
+CH422GComponent = ch422g_ns.class_("CH422GComponent", cg.Component, i2c.I2CDevice)
+CH422GGPIOPin = ch422g_ns.class_(
+    "CH422GGPIOPin", cg.GPIOPin, cg.Parented.template(CH422GComponent)
+)
+
+CONF_CH422G = "ch422g"
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.Required(CONF_ID): cv.declare_id(CH422GComponent),
+            cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+    .extend(i2c.i2c_device_schema(0x24))
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_restore_value(config[CONF_RESTORE_VALUE]))
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)
+
+
+CH422G_PIN_SCHEMA = pins.gpio_base_schema(
+    CH422GGPIOPin,
+    cv.int_range(min=0, max=7),
+    modes=[CONF_INPUT, CONF_OUTPUT],
+).extend(
+    {
+        cv.Required(CONF_CH422G): cv.use_id(CH422GComponent),
+    }
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_CH422G, CH422G_PIN_SCHEMA)
+async def ch422g_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_CH422G])
+
+    cg.add(var.set_parent(parent))
+
+    num = config[CONF_NUMBER]
+    cg.add(var.set_pin(num))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
+    cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
+    return var

esphome/components/ch422g/ch422g.cpp

@@ -0,0 +1,122 @@
+#include "ch422g.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace ch422g {
+
+const uint8_t CH422G_REG_IN = 0x26;
+const uint8_t CH422G_REG_OUT = 0x38;
+const uint8_t OUT_REG_DEFAULT_VAL = 0xdf;
+
+static const char *const TAG = "ch422g";
+
+void CH422GComponent::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up CH422G...");
+  // Test to see if device exists
+  if (!this->read_inputs_()) {
+    ESP_LOGE(TAG, "CH422G not detected at 0x%02X", this->address_);
+    this->mark_failed();
+    return;
+  }
+
+  // restore defaults over whatever got saved on last boot
+  if (!this->restore_value_) {
+    this->write_output_(OUT_REG_DEFAULT_VAL);
+  }
+
+  ESP_LOGD(TAG, "Initialization complete. Warning: %d, Error: %d", this->status_has_warning(),
+           this->status_has_error());
+}
+
+void CH422GComponent::loop() {
+  // Clear all the previously read flags.
+  this->pin_read_cache_ = 0x00;
+}
+
+void CH422GComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "CH422G:");
+  LOG_I2C_DEVICE(this)
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, "Communication with CH422G failed!");
+  }
+}
+
+// ch422g doesn't have any flag support (needs docs?)
+void CH422GComponent::pin_mode(uint8_t pin, gpio::Flags flags) {}
+
+bool CH422GComponent::digital_read(uint8_t pin) {
+  if (this->pin_read_cache_ == 0 || this->pin_read_cache_ & (1 << pin)) {
+    // Read values on first access or in case it's being read again in the same loop
+    this->read_inputs_();
+  }
+
+  this->pin_read_cache_ |= (1 << pin);
+  return this->state_mask_ & (1 << pin);
+}
+
+void CH422GComponent::digital_write(uint8_t pin, bool value) {
+  if (value) {
+    this->write_output_(this->state_mask_ | (1 << pin));
+  } else {
+    this->write_output_(this->state_mask_ & ~(1 << pin));
+  }
+}
+
+bool CH422GComponent::read_inputs_() {
+  if (this->is_failed()) {
+    return false;
+  }
+
+  uint8_t temp = 0;
+  if ((this->last_error_ = this->read(&temp, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("read_inputs_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  uint8_t output = 0;
+  if ((this->last_error_ = this->bus_->read(CH422G_REG_IN, &output, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("read_inputs_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  this->state_mask_ = output;
+  this->status_clear_warning();
+
+  return true;
+}
+
+bool CH422GComponent::write_output_(uint8_t value) {
+  const uint8_t temp = 1;
+  if ((this->last_error_ = this->write(&temp, 1, false)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("write_output_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  uint8_t write_mask = value;
+  if ((this->last_error_ = this->bus_->write(CH422G_REG_OUT, &write_mask, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(
+        str_sprintf("write_output_(): I2C I/O error: %d for write_mask: %d", (int) this->last_error_, (int) write_mask)
+            .c_str());
+    return false;
+  }
+
+  this->state_mask_ = value;
+  this->status_clear_warning();
+  return true;
+}
+
+float CH422GComponent::get_setup_priority() const { return setup_priority::IO; }
+
+// Run our loop() method very early in the loop, so that we cache read values
+// before other components call our digital_read() method.
+float CH422GComponent::get_loop_priority() const { return 9.0f; }  // Just after WIFI
+
+void CH422GGPIOPin::setup() { pin_mode(flags_); }
+void CH422GGPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
+bool CH422GGPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
+
+void CH422GGPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
+std::string CH422GGPIOPin::dump_summary() const { return str_sprintf("EXIO%u via CH422G", pin_); }
+
+}  // namespace ch422g
+}  // namespace esphome

esphome/components/ch422g/ch422g.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace ch422g {
+
+class CH422GComponent : public Component, public i2c::I2CDevice {
+ public:
+  CH422GComponent() = default;
+
+  /// Check i2c availability and setup masks
+  void setup() override;
+  /// Poll for input changes periodically
+  void loop() override;
+  /// Helper function to read the value of a pin.
+  bool digital_read(uint8_t pin);
+  /// Helper function to write the value of a pin.
+  void digital_write(uint8_t pin, bool value);
+  /// Helper function to set the pin mode of a pin.
+  void pin_mode(uint8_t pin, gpio::Flags flags);
+
+  float get_setup_priority() const override;
+
+  float get_loop_priority() const override;
+
+  void dump_config() override;
+
+  void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
+
+ protected:
+  bool read_inputs_();
+
+  bool write_output_(uint8_t value);
+
+  /// The mask to write as output state - 1 means HIGH, 0 means LOW
+  uint8_t state_mask_{0x00};
+  /// Flags to check if read previously during this loop
+  uint8_t pin_read_cache_ = {0x00};
+  /// Storage for last I2C error seen
+  esphome::i2c::ErrorCode last_error_;
+  /// Whether we want to override stored values on expander
+  bool restore_value_{false};
+};
+
+/// Helper class to expose a CH422G pin as an internal input GPIO pin.
+class CH422GGPIOPin : public GPIOPin {
+ public:
+  void setup() override;
+  void pin_mode(gpio::Flags flags) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+  std::string dump_summary() const override;
+
+  void set_parent(CH422GComponent *parent) { parent_ = parent; }
+  void set_pin(uint8_t pin) { pin_ = pin; }
+  void set_inverted(bool inverted) { inverted_ = inverted; }
+  void set_flags(gpio::Flags flags) { flags_ = flags; }
+
+ protected:
+  CH422GComponent *parent_;
+  uint8_t pin_;
+  bool inverted_;
+  gpio::Flags flags_;
+};
+
+}  // namespace ch422g
+}  // namespace esphome

esphome/components/datetime/__init__.py

@@ -186,7 +186,7 @@ async def datetime_date_set_to_code(config, action_id, template_arg, args):
 
     date_config = config[CONF_DATE]
     if cg.is_template(date_config):
-        template_ = await cg.templatable(date_config, [], cg.ESPTime)
+        template_ = await cg.templatable(date_config, args, cg.ESPTime)
         cg.add(action_var.set_date(template_))
     else:
         date_struct = cg.StructInitializer(
@@ -217,7 +217,7 @@ async def datetime_time_set_to_code(config, action_id, template_arg, args):
 
     time_config = config[CONF_TIME]
     if cg.is_template(time_config):
-        template_ = await cg.templatable(time_config, [], cg.ESPTime)
+        template_ = await cg.templatable(time_config, args, cg.ESPTime)
         cg.add(action_var.set_time(template_))
     else:
         time_struct = cg.StructInitializer(
@@ -248,7 +248,7 @@ async def datetime_datetime_set_to_code(config, action_id, template_arg, args):
 
     datetime_config = config[CONF_DATETIME]
     if cg.is_template(datetime_config):
-        template_ = await cg.templatable(datetime_config, [], cg.ESPTime)
+        template_ = await cg.templatable(datetime_config, args, cg.ESPTime)
         cg.add(action_var.set_datetime(template_))
     else:
         datetime_struct = cg.StructInitializer(

esphome/components/display/__init__.py

@@ -1,15 +1,15 @@
+from esphome import automation, core
+from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome import core, automation
-from esphome.automation import maybe_simple_id
 from esphome.const import (
     CONF_AUTO_CLEAR_ENABLED,
+    CONF_FROM,
     CONF_ID,
     CONF_LAMBDA,
-    CONF_PAGES,
     CONF_PAGE_ID,
+    CONF_PAGES,
     CONF_ROTATION,
-    CONF_FROM,
     CONF_TO,
     CONF_TRIGGER_ID,
 )
@@ -195,3 +195,4 @@ async def display_is_displaying_page_to_code(config, condition_id, template_arg,
 @coroutine_with_priority(100.0)
 async def to_code(config):
     cg.add_global(display_ns.using)
+    cg.add_define("USE_DISPLAY")

esphome/components/esp32_can/canbus.py

@@ -1,18 +1,23 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import pins
+import esphome.codegen as cg
 from esphome.components import canbus
-from esphome.const import CONF_ID, CONF_RX_PIN, CONF_TX_PIN
-from esphome.components.canbus import CanbusComponent, CanSpeed, CONF_BIT_RATE
-
+from esphome.components.canbus import CONF_BIT_RATE, CanbusComponent, CanSpeed
 from esphome.components.esp32 import get_esp32_variant
 from esphome.components.esp32.const import (
     VARIANT_ESP32,
-    VARIANT_ESP32S2,
-    VARIANT_ESP32S3,
     VARIANT_ESP32C3,
     VARIANT_ESP32C6,
     VARIANT_ESP32H2,
+    VARIANT_ESP32S2,
+    VARIANT_ESP32S3,
+)
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_RX_PIN,
+    CONF_RX_QUEUE_LEN,
+    CONF_TX_PIN,
+    CONF_TX_QUEUE_LEN,
 )
 
 CODEOWNERS = ["@Sympatron"]
@@ -77,6 +82,8 @@ CONFIG_SCHEMA = canbus.CANBUS_SCHEMA.extend(
         cv.Optional(CONF_BIT_RATE, default="125KBPS"): validate_bit_rate,
         cv.Required(CONF_RX_PIN): pins.internal_gpio_input_pin_number,
         cv.Required(CONF_TX_PIN): pins.internal_gpio_output_pin_number,
+        cv.Optional(CONF_RX_QUEUE_LEN): cv.uint32_t,
+        cv.Optional(CONF_TX_QUEUE_LEN): cv.uint32_t,
     }
 )
 
@@ -87,3 +94,7 @@ async def to_code(config):
 
     cg.add(var.set_rx(config[CONF_RX_PIN]))
     cg.add(var.set_tx(config[CONF_TX_PIN]))
+    if (rx_queue_len := config.get(CONF_RX_QUEUE_LEN)) is not None:
+        cg.add(var.set_rx_queue_len(rx_queue_len))
+    if (tx_queue_len := config.get(CONF_TX_QUEUE_LEN)) is not None:
+        cg.add(var.set_tx_queue_len(tx_queue_len))

esphome/components/esp32_can/esp32_can.cpp

@@ -69,6 +69,13 @@ static bool get_bitrate(canbus::CanSpeed bitrate, twai_timing_config_t *t_config
 bool ESP32Can::setup_internal() {
   twai_general_config_t g_config =
       TWAI_GENERAL_CONFIG_DEFAULT((gpio_num_t) this->tx_, (gpio_num_t) this->rx_, TWAI_MODE_NORMAL);
+  if (this->tx_queue_len_.has_value()) {
+    g_config.tx_queue_len = this->tx_queue_len_.value();
+  }
+  if (this->rx_queue_len_.has_value()) {
+    g_config.rx_queue_len = this->rx_queue_len_.value();
+  }
+
   twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();
   twai_timing_config_t t_config;
 
@@ -111,6 +118,7 @@ canbus::Error ESP32Can::send_message(struct canbus::CanFrame *frame) {
       .flags = flags,
       .identifier = frame->can_id,
       .data_length_code = frame->can_data_length_code,
+      .data = {},  // to suppress warning, data is initialized properly below
   };
   if (!frame->remote_transmission_request) {
     memcpy(message.data, frame->data, frame->can_data_length_code);

esphome/components/esp32_can/esp32_can.h

@@ -12,6 +12,8 @@ class ESP32Can : public canbus::Canbus {
  public:
   void set_rx(int rx) { rx_ = rx; }
   void set_tx(int tx) { tx_ = tx; }
+  void set_tx_queue_len(uint32_t tx_queue_len) { this->tx_queue_len_ = tx_queue_len; }
+  void set_rx_queue_len(uint32_t rx_queue_len) { this->rx_queue_len_ = rx_queue_len; }
   ESP32Can(){};
 
  protected:
@@ -21,6 +23,8 @@ class ESP32Can : public canbus::Canbus {
 
   int rx_{-1};
   int tx_{-1};
+  optional<uint32_t> tx_queue_len_{};
+  optional<uint32_t> rx_queue_len_{};
 };
 
 }  // namespace esp32_can

esphome/components/esp32_rmt_led_strip/led_strip.cpp

@@ -38,7 +38,8 @@ void ESP32RMTLEDStripLightOutput::setup() {
   }
 
   ExternalRAMAllocator<rmt_item32_t> rmt_allocator(ExternalRAMAllocator<rmt_item32_t>::ALLOW_FAILURE);
-  this->rmt_buf_ = rmt_allocator.allocate(buffer_size * 8);  // 8 bits per byte, 1 rmt_item32_t per bit
+  this->rmt_buf_ = rmt_allocator.allocate(buffer_size * 8 +
+                                          1);  // 8 bits per byte, 1 rmt_item32_t per bit + 1 rmt_item32_t for reset
 
   rmt_config_t config;
   memset(&config, 0, sizeof(config));
@@ -66,7 +67,7 @@ void ESP32RMTLEDStripLightOutput::setup() {
 }
 
 void ESP32RMTLEDStripLightOutput::set_led_params(uint32_t bit0_high, uint32_t bit0_low, uint32_t bit1_high,
-                                                 uint32_t bit1_low) {
+                                                 uint32_t bit1_low, uint32_t reset_time_high, uint32_t reset_time_low) {
   float ratio = (float) RMT_CLK_FREQ / RMT_CLK_DIV / 1e09f;
 
   // 0-bit
@@ -79,6 +80,11 @@ void ESP32RMTLEDStripLightOutput::set_led_params(uint32_t bit0_high, uint32_t bi
   this->bit1_.level0 = 1;
   this->bit1_.duration1 = (uint32_t) (ratio * bit1_low);
   this->bit1_.level1 = 0;
+  // reset
+  this->reset_.duration0 = (uint32_t) (ratio * reset_time_high);
+  this->reset_.level0 = 1;
+  this->reset_.duration1 = (uint32_t) (ratio * reset_time_low);
+  this->reset_.level1 = 0;
 }
 
 void ESP32RMTLEDStripLightOutput::write_state(light::LightState *state) {
@@ -118,6 +124,12 @@ void ESP32RMTLEDStripLightOutput::write_state(light::LightState *state) {
     psrc++;
   }
 
+  if (this->reset_.duration0 > 0 || this->reset_.duration1 > 0) {
+    pdest->val = this->reset_.val;
+    pdest++;
+    len++;
+  }
+
   if (rmt_write_items(this->channel_, this->rmt_buf_, len, false) != ESP_OK) {
     ESP_LOGE(TAG, "RMT TX error");
     this->status_set_warning();

esphome/components/esp32_rmt_led_strip/led_strip.h

@@ -49,7 +49,8 @@ class ESP32RMTLEDStripLightOutput : public light::AddressableLight {
   /// Set a maximum refresh rate in µs as some lights do not like being updated too often.
   void set_max_refresh_rate(uint32_t interval_us) { this->max_refresh_rate_ = interval_us; }
 
-  void set_led_params(uint32_t bit0_high, uint32_t bit0_low, uint32_t bit1_high, uint32_t bit1_low);
+  void set_led_params(uint32_t bit0_high, uint32_t bit0_low, uint32_t bit1_high, uint32_t bit1_low,
+                      uint32_t reset_time_high, uint32_t reset_time_low);
 
   void set_rgb_order(RGBOrder rgb_order) { this->rgb_order_ = rgb_order; }
   void set_rmt_channel(rmt_channel_t channel) { this->channel_ = channel; }
@@ -75,7 +76,7 @@ class ESP32RMTLEDStripLightOutput : public light::AddressableLight {
   bool is_rgbw_;
   bool is_wrgb_;
 
-  rmt_item32_t bit0_, bit1_;
+  rmt_item32_t bit0_, bit1_, reset_;
   RGBOrder rgb_order_;
   rmt_channel_t channel_;
 

esphome/components/esp32_rmt_led_strip/light.py

@@ -43,13 +43,16 @@ class LEDStripTimings:
     bit0_low: int
     bit1_high: int
     bit1_low: int
+    reset_high: int
+    reset_low: int
 
 
 CHIPSETS = {
-    "WS2812": LEDStripTimings(400, 1000, 1000, 400),
-    "SK6812": LEDStripTimings(300, 900, 600, 600),
-    "APA106": LEDStripTimings(350, 1360, 1360, 350),
-    "SM16703": LEDStripTimings(300, 900, 900, 300),
+    "WS2811": LEDStripTimings(300, 1090, 1090, 320, 0, 300000),
+    "WS2812": LEDStripTimings(400, 1000, 1000, 400, 0, 0),
+    "SK6812": LEDStripTimings(300, 900, 600, 600, 0, 0),
+    "APA106": LEDStripTimings(350, 1360, 1360, 350, 0, 0),
+    "SM16703": LEDStripTimings(300, 900, 900, 300, 0, 0),
 }
 
 
@@ -58,6 +61,8 @@ CONF_BIT0_HIGH = "bit0_high"
 CONF_BIT0_LOW = "bit0_low"
 CONF_BIT1_HIGH = "bit1_high"
 CONF_BIT1_LOW = "bit1_low"
+CONF_RESET_HIGH = "reset_high"
+CONF_RESET_LOW = "reset_low"
 
 
 CONFIG_SCHEMA = cv.All(
@@ -88,6 +93,14 @@ CONFIG_SCHEMA = cv.All(
                 CONF_BIT1_LOW,
                 "custom",
             ): cv.positive_time_period_nanoseconds,
+            cv.Optional(
+                CONF_RESET_HIGH,
+                default="0 us",
+            ): cv.positive_time_period_nanoseconds,
+            cv.Optional(
+                CONF_RESET_LOW,
+                default="0 us",
+            ): cv.positive_time_period_nanoseconds,
         }
     ),
     cv.has_exactly_one_key(CONF_CHIPSET, CONF_BIT0_HIGH),
@@ -113,6 +126,8 @@ async def to_code(config):
                 chipset.bit0_low,
                 chipset.bit1_high,
                 chipset.bit1_low,
+                chipset.reset_high,
+                chipset.reset_low,
             )
         )
     else:
@@ -122,6 +137,8 @@ async def to_code(config):
                 config[CONF_BIT0_LOW],
                 config[CONF_BIT1_HIGH],
                 config[CONF_BIT1_LOW],
+                config[CONF_RESET_HIGH],
+                config[CONF_RESET_LOW],
             )
         )
 

esphome/components/ethernet/ethernet_component.cpp

@@ -472,13 +472,13 @@ void EthernetComponent::start_connect_() {
     if (err != ESP_ERR_ESP_NETIF_DHCP_ALREADY_STARTED) {
       ESPHL_ERROR_CHECK(err, "DHCPC start error");
     }
+  }
 #if USE_NETWORK_IPV6
   err = esp_netif_create_ip6_linklocal(this->eth_netif_);
   if (err != ESP_OK) {
     ESPHL_ERROR_CHECK(err, "Enable IPv6 link local failed");
   }
 #endif /* USE_NETWORK_IPV6 */
-  }
 
   this->connect_begin_ = millis();
   this->status_set_warning();

esphome/components/font/__init__.py

@@ -1,43 +1,35 @@
+import functools
 import hashlib
 import logging
-
-import functools
-from pathlib import Path
 import os
+from pathlib import Path
 import re
+
 from packaging import version
 import requests
 
-from esphome import core
-from esphome import external_files
-import esphome.config_validation as cv
+from esphome import core, external_files
 import esphome.codegen as cg
-from esphome.helpers import (
-    copy_file_if_changed,
-    cpp_string_escape,
-)
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_FAMILY,
     CONF_FILE,
     CONF_GLYPHS,
     CONF_ID,
+    CONF_PATH,
     CONF_RAW_DATA_ID,
-    CONF_TYPE,
     CONF_REFRESH,
     CONF_SIZE,
-    CONF_PATH,
-    CONF_WEIGHT,
+    CONF_TYPE,
     CONF_URL,
+    CONF_WEIGHT,
 )
-from esphome.core import (
-    CORE,
-    HexInt,
-)
+from esphome.core import CORE, HexInt
+from esphome.helpers import copy_file_if_changed, cpp_string_escape
 
 _LOGGER = logging.getLogger(__name__)
 
 DOMAIN = "font"
-DEPENDENCIES = ["display"]
 MULTI_CONF = True
 
 CODEOWNERS = ["@esphome/core", "@clydebarrow"]
@@ -400,10 +392,7 @@ class EFont:
 
 
 def convert_bitmap_to_pillow_font(filepath):
-    from PIL import (
-        PcfFontFile,
-        BdfFontFile,
-    )
+    from PIL import BdfFontFile, PcfFontFile
 
     local_bitmap_font_file = external_files.compute_local_file_dir(
         DOMAIN,

esphome/components/font/font.cpp

@@ -1,9 +1,8 @@
 #include "font.h"
 
+#include "esphome/core/color.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
-#include "esphome/core/color.h"
-#include "esphome/components/display/display_buffer.h"
 
 namespace esphome {
 namespace font {
@@ -68,6 +67,7 @@ int Font::match_next_glyph(const uint8_t *str, int *match_length) {
     return -1;
   return lo;
 }
+#ifdef USE_DISPLAY
 void Font::measure(const char *str, int *width, int *x_offset, int *baseline, int *height) {
   *baseline = this->baseline_;
   *height = this->height_;
@@ -164,6 +164,7 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
     i += match_length;
   }
 }
+#endif
 
 }  // namespace font
 }  // namespace esphome

esphome/components/font/font.h

@@ -1,8 +1,11 @@
 #pragma once
 
-#include "esphome/core/datatypes.h"
 #include "esphome/core/color.h"
-#include "esphome/components/display/display_buffer.h"
+#include "esphome/core/datatypes.h"
+#include "esphome/core/defines.h"
+#ifdef USE_DISPLAY
+#include "esphome/components/display/display.h"
+#endif
 
 namespace esphome {
 namespace font {
@@ -38,7 +41,11 @@ class Glyph {
   const GlyphData *glyph_data_;
 };
 
-class Font : public display::BaseFont {
+class Font
+#ifdef USE_DISPLAY
+    : public display::BaseFont
+#endif
+{
  public:
   /** Construct the font with the given glyphs.
    *
@@ -50,9 +57,11 @@ class Font : public display::BaseFont {
 
   int match_next_glyph(const uint8_t *str, int *match_length);
 
+#ifdef USE_DISPLAY
   void print(int x_start, int y_start, display::Display *display, Color color, const char *text,
              Color background) override;
   void measure(const char *str, int *width, int *x_offset, int *baseline, int *height) override;
+#endif
   inline int get_baseline() { return this->baseline_; }
   inline int get_height() { return this->height_; }
   inline int get_bpp() { return this->bpp_; }

esphome/components/gt911/touchscreen/__init__.py

@@ -1,11 +1,10 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
-
 from esphome import pins
+import esphome.codegen as cg
 from esphome.components import i2c, touchscreen
-from esphome.const import CONF_INTERRUPT_PIN, CONF_ID
-from .. import gt911_ns
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, CONF_INTERRUPT_PIN, CONF_RESET_PIN
 
+from .. import gt911_ns
 
 GT911ButtonListener = gt911_ns.class_("GT911ButtonListener")
 GT911Touchscreen = gt911_ns.class_(
@@ -18,6 +17,7 @@ CONFIG_SCHEMA = touchscreen.TOUCHSCREEN_SCHEMA.extend(
     {
         cv.GenerateID(): cv.declare_id(GT911Touchscreen),
         cv.Optional(CONF_INTERRUPT_PIN): pins.internal_gpio_input_pin_schema,
+        cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
     }
 ).extend(i2c.i2c_device_schema(0x5D))
 
@@ -29,3 +29,5 @@ async def to_code(config):
 
     if interrupt_pin := config.get(CONF_INTERRUPT_PIN):
         cg.add(var.set_interrupt_pin(await cg.gpio_pin_expression(interrupt_pin)))
+    if reset_pin := config.get(CONF_RESET_PIN):
+        cg.add(var.set_reset_pin(await cg.gpio_pin_expression(reset_pin)))

esphome/components/gt911/touchscreen/gt911_touchscreen.cpp

@@ -26,6 +26,23 @@ static const size_t MAX_BUTTONS = 4;  // max number of buttons scanned
 void GT911Touchscreen::setup() {
   i2c::ErrorCode err;
   ESP_LOGCONFIG(TAG, "Setting up GT911 Touchscreen...");
+  if (this->reset_pin_ != nullptr) {
+    this->reset_pin_->setup();
+    this->reset_pin_->digital_write(false);
+    if (this->interrupt_pin_ != nullptr) {
+      // The interrupt pin is used as an input during reset to select the I2C address.
+      this->interrupt_pin_->pin_mode(gpio::FLAG_OUTPUT);
+      this->interrupt_pin_->setup();
+      this->interrupt_pin_->digital_write(false);
+    }
+    delay(2);
+    this->reset_pin_->digital_write(true);
+    delay(50);  // NOLINT
+    if (this->interrupt_pin_ != nullptr) {
+      this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT);
+      this->interrupt_pin_->setup();
+    }
+  }
 
   // check the configuration of the int line.
   uint8_t data[4];

esphome/components/gt911/touchscreen/gt911_touchscreen.h

@@ -19,12 +19,14 @@ class GT911Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice
   void dump_config() override;
 
   void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
+  void set_reset_pin(GPIOPin *pin) { this->reset_pin_ = pin; }
   void register_button_listener(GT911ButtonListener *listener) { this->button_listeners_.push_back(listener); }
 
  protected:
   void update_touches() override;
 
   InternalGPIOPin *interrupt_pin_{};
+  GPIOPin *reset_pin_{};
   std::vector<GT911ButtonListener *> button_listeners_;
   uint8_t button_state_{0xFF};  // last button state. Initial FF guarantees first update.
 };

esphome/components/ili9xxx/display.py

@@ -1,31 +1,31 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import core, pins
-from esphome.components import display, spi, font
+import esphome.codegen as cg
+from esphome.components import display, font, spi
 from esphome.components.display import validate_rotation
-from esphome.core import CORE, HexInt
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_COLOR_ORDER,
     CONF_COLOR_PALETTE,
     CONF_DC_PIN,
-    CONF_ID,
-    CONF_LAMBDA,
-    CONF_MODEL,
-    CONF_RAW_DATA_ID,
-    CONF_PAGES,
-    CONF_RESET_PIN,
     CONF_DIMENSIONS,
-    CONF_WIDTH,
     CONF_HEIGHT,
-    CONF_ROTATION,
+    CONF_ID,
+    CONF_INVERT_COLORS,
+    CONF_LAMBDA,
     CONF_MIRROR_X,
     CONF_MIRROR_Y,
-    CONF_SWAP_XY,
-    CONF_COLOR_ORDER,
+    CONF_MODEL,
     CONF_OFFSET_HEIGHT,
     CONF_OFFSET_WIDTH,
+    CONF_PAGES,
+    CONF_RAW_DATA_ID,
+    CONF_RESET_PIN,
+    CONF_ROTATION,
+    CONF_SWAP_XY,
     CONF_TRANSFORM,
-    CONF_INVERT_COLORS,
+    CONF_WIDTH,
 )
+from esphome.core import CORE, HexInt
 
 DEPENDENCIES = ["spi"]
 
@@ -177,7 +177,7 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_INVERT_DISPLAY): cv.invalid(
                 "'invert_display' has been replaced by 'invert_colors'"
             ),
-            cv.Optional(CONF_INVERT_COLORS): cv.boolean,
+            cv.Required(CONF_INVERT_COLORS): cv.boolean,
             cv.Optional(CONF_COLOR_ORDER): cv.one_of(*COLOR_ORDERS.keys(), upper=True),
             cv.Exclusive(CONF_ROTATION, CONF_ROTATION): validate_rotation,
             cv.Exclusive(CONF_TRANSFORM, CONF_ROTATION): cv.Schema(
@@ -287,5 +287,4 @@ async def to_code(config):
         prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
         cg.add(var.set_palette(prog_arr))
 
-    if CONF_INVERT_COLORS in config:
     cg.add(var.invert_colors(config[CONF_INVERT_COLORS]))

esphome/components/ili9xxx/ili9xxx_display.cpp

@@ -118,6 +118,7 @@ void ILI9XXXDisplay::dump_config() {
   ESP_LOGCONFIG(TAG, "  Swap_xy: %s", YESNO(this->swap_xy_));
   ESP_LOGCONFIG(TAG, "  Mirror_x: %s", YESNO(this->mirror_x_));
   ESP_LOGCONFIG(TAG, "  Mirror_y: %s", YESNO(this->mirror_y_));
+  ESP_LOGCONFIG(TAG, "  Invert colors: %s", YESNO(this->pre_invertcolors_));
 
   if (this->is_failed()) {
     ESP_LOGCONFIG(TAG, "  => Failed to init Memory: YES!");
@@ -154,7 +155,6 @@ void ILI9XXXDisplay::fill(Color color) {
         }
       }
       return;
-      break;
     default:
       new_color = display::ColorUtil::color_to_332(color, display::ColorOrder::COLOR_ORDER_RGB);
       break;

esphome/components/ili9xxx/ili9xxx_display.h

@@ -28,8 +28,8 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
                                              spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_40MHZ> {
  public:
   ILI9XXXDisplay() = default;
-  ILI9XXXDisplay(uint8_t const *init_sequence, int16_t width, int16_t height, bool invert_colors)
-      : init_sequence_{init_sequence}, width_{width}, height_{height}, pre_invertcolors_{invert_colors} {
+  ILI9XXXDisplay(uint8_t const *init_sequence, int16_t width, int16_t height)
+      : init_sequence_{init_sequence}, width_{width}, height_{height} {
     uint8_t cmd, num_args, bits;
     const uint8_t *addr = init_sequence;
     while ((cmd = *addr++) != 0) {
@@ -144,7 +144,7 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
   bool need_update_ = false;
   bool is_18bitdisplay_ = false;
   PixelMode pixel_mode_{};
-  bool pre_invertcolors_ = false;
+  bool pre_invertcolors_{};
   display::ColorOrder color_order_{display::COLOR_ORDER_BGR};
   bool swap_xy_{};
   bool mirror_x_{};
@@ -154,54 +154,54 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
 //-----------   M5Stack display --------------
 class ILI9XXXM5Stack : public ILI9XXXDisplay {
  public:
-  ILI9XXXM5Stack() : ILI9XXXDisplay(INITCMD_M5STACK, 320, 240, true) {}
+  ILI9XXXM5Stack() : ILI9XXXDisplay(INITCMD_M5STACK, 320, 240) {}
 };
 
 //-----------   M5Stack display --------------
 class ILI9XXXM5CORE : public ILI9XXXDisplay {
  public:
-  ILI9XXXM5CORE() : ILI9XXXDisplay(INITCMD_M5CORE, 320, 240, true) {}
+  ILI9XXXM5CORE() : ILI9XXXDisplay(INITCMD_M5CORE, 320, 240) {}
 };
 
 //-----------   ST7789V display --------------
 class ILI9XXXST7789V : public ILI9XXXDisplay {
  public:
-  ILI9XXXST7789V() : ILI9XXXDisplay(INITCMD_ST7789V, 240, 320, false) {}
+  ILI9XXXST7789V() : ILI9XXXDisplay(INITCMD_ST7789V, 240, 320) {}
 };
 
 //-----------   ILI9XXX_24_TFT display --------------
 class ILI9XXXILI9341 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9341() : ILI9XXXDisplay(INITCMD_ILI9341, 240, 320, false) {}
+  ILI9XXXILI9341() : ILI9XXXDisplay(INITCMD_ILI9341, 240, 320) {}
 };
 
 //-----------   ILI9XXX_24_TFT rotated display --------------
 class ILI9XXXILI9342 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9342() : ILI9XXXDisplay(INITCMD_ILI9341, 320, 240, false) {}
+  ILI9XXXILI9342() : ILI9XXXDisplay(INITCMD_ILI9341, 320, 240) {}
 };
 
 //-----------   ILI9XXX_??_TFT rotated display --------------
 class ILI9XXXILI9481 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9481() : ILI9XXXDisplay(INITCMD_ILI9481, 480, 320, false) {}
+  ILI9XXXILI9481() : ILI9XXXDisplay(INITCMD_ILI9481, 480, 320) {}
 };
 
 //-----------   ILI9481 in 18 bit mode --------------
 class ILI9XXXILI948118 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI948118() : ILI9XXXDisplay(INITCMD_ILI9481_18, 320, 480, true) {}
+  ILI9XXXILI948118() : ILI9XXXDisplay(INITCMD_ILI9481_18, 320, 480) {}
 };
 
 //-----------   ILI9XXX_35_TFT rotated display --------------
 class ILI9XXXILI9486 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9486() : ILI9XXXDisplay(INITCMD_ILI9486, 480, 320, false) {}
+  ILI9XXXILI9486() : ILI9XXXDisplay(INITCMD_ILI9486, 480, 320) {}
 };
 
 class ILI9XXXILI9488 : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9488(const uint8_t *seq = INITCMD_ILI9488) : ILI9XXXDisplay(seq, 480, 320, true) {}
+  ILI9XXXILI9488(const uint8_t *seq = INITCMD_ILI9488) : ILI9XXXDisplay(seq, 480, 320) {}
 
  protected:
   void set_madctl() override {
@@ -246,34 +246,34 @@ class WAVESHARERES35 : public ILI9XXXILI9488 {
 //-----------   ILI9XXX_35_TFT origin colors rotated display --------------
 class ILI9XXXILI9488A : public ILI9XXXDisplay {
  public:
-  ILI9XXXILI9488A() : ILI9XXXDisplay(INITCMD_ILI9488_A, 480, 320, true) {}
+  ILI9XXXILI9488A() : ILI9XXXDisplay(INITCMD_ILI9488_A, 480, 320) {}
 };
 
 //-----------   ILI9XXX_35_TFT rotated display --------------
 class ILI9XXXST7796 : public ILI9XXXDisplay {
  public:
-  ILI9XXXST7796() : ILI9XXXDisplay(INITCMD_ST7796, 320, 480, false) {}
+  ILI9XXXST7796() : ILI9XXXDisplay(INITCMD_ST7796, 320, 480) {}
 };
 
 class ILI9XXXS3Box : public ILI9XXXDisplay {
  public:
-  ILI9XXXS3Box() : ILI9XXXDisplay(INITCMD_S3BOX, 320, 240, false) {}
+  ILI9XXXS3Box() : ILI9XXXDisplay(INITCMD_S3BOX, 320, 240) {}
 };
 
 class ILI9XXXS3BoxLite : public ILI9XXXDisplay {
  public:
-  ILI9XXXS3BoxLite() : ILI9XXXDisplay(INITCMD_S3BOXLITE, 320, 240, true) {}
+  ILI9XXXS3BoxLite() : ILI9XXXDisplay(INITCMD_S3BOXLITE, 320, 240) {}
 };
 
 class ILI9XXXGC9A01A : public ILI9XXXDisplay {
  public:
-  ILI9XXXGC9A01A() : ILI9XXXDisplay(INITCMD_GC9A01A, 240, 240, true) {}
+  ILI9XXXGC9A01A() : ILI9XXXDisplay(INITCMD_GC9A01A, 240, 240) {}
 };
 
 //-----------   ILI9XXX_24_TFT display --------------
 class ILI9XXXST7735 : public ILI9XXXDisplay {
  public:
-  ILI9XXXST7735() : ILI9XXXDisplay(INITCMD_ST7735, 128, 160, false) {}
+  ILI9XXXST7735() : ILI9XXXDisplay(INITCMD_ST7735, 128, 160) {}
 };
 
 }  // namespace ili9xxx

esphome/components/ili9xxx/ili9xxx_init.h

@@ -101,7 +101,6 @@ static const uint8_t PROGMEM INITCMD_ILI9481[] = {
   ILI9XXX_MADCTL  , 1, MADCTL_MV | MADCTL_BGR,       // Memory Access Control
   ILI9XXX_CSCON , 1, 0x01,
   ILI9XXX_PIXFMT, 1, 0x55,  // 16 bit mode
-  ILI9XXX_INVON, 0,
   ILI9XXX_DISPON, 0x80,     // Set display on
   0x00 // end
 };
@@ -121,7 +120,6 @@ static const uint8_t PROGMEM INITCMD_ILI9481_18[] = {
     ILI9XXX_MADCTL  , 1, MADCTL_MX| MADCTL_BGR,       // Memory Access Control
     ILI9XXX_CSCON , 1, 0x01,
     ILI9XXX_PIXFMT, 1, 0x66,  // 18 bit mode
-    ILI9XXX_INVON, 0,
     ILI9XXX_DISPON, 0x80,     // Set display on
     0x00 // end
 };
@@ -204,7 +202,6 @@ static const uint8_t PROGMEM INITCMD_ILI9488_A[] = {
 
 
   ILI9XXX_SLPOUT,  0x80,    // Exit sleep mode
-  //ILI9XXX_INVON  , 0,
   ILI9XXX_DISPON,  0x80,    // Set display on
   0x00 // end
 };

esphome/components/ledc/ledc_output.cpp

@@ -8,6 +8,8 @@
 #endif
 #include <driver/ledc.h>
 
+#include <cinttypes>
+
 #define CLOCK_FREQUENCY 80e6f
 
 #ifdef USE_ARDUINO
@@ -115,20 +117,22 @@ void LEDCOutput::write_state(float state) {
   const uint32_t max_duty = (uint32_t(1) << this->bit_depth_) - 1;
   const float duty_rounded = roundf(state * max_duty);
   auto duty = static_cast<uint32_t>(duty_rounded);
+  ESP_LOGV(TAG, "Setting duty: %" PRIu32 " on channel %u", duty, this->channel_);
 #ifdef USE_ARDUINO
-  ESP_LOGV(TAG, "Setting duty: %u on channel %u", duty, this->channel_);
   ledcWrite(this->channel_, duty);
 #endif
 #ifdef USE_ESP_IDF
-  // ensure that 100% on is not 99.975% on
-  if ((duty == max_duty) && (max_duty != 1)) {
-    duty = max_duty + 1;
-  }
   auto speed_mode = get_speed_mode(channel_);
   auto chan_num = static_cast<ledc_channel_t>(channel_ % 8);
   int hpoint = ledc_angle_to_htop(this->phase_angle_, this->bit_depth_);
+  if (duty == max_duty) {
+    ledc_stop(speed_mode, chan_num, 1);
+  } else if (duty == 0) {
+    ledc_stop(speed_mode, chan_num, 0);
+  } else {
     ledc_set_duty_with_hpoint(speed_mode, chan_num, duty, hpoint);
     ledc_update_duty(speed_mode, chan_num);
+  }
 #endif
 }
 

esphome/components/lvgl/__init__.py

@@ -21,8 +21,8 @@ from esphome.final_validate import full_config
 from esphome.helpers import write_file_if_changed
 
 from . import defines as df, helpers, lv_validation as lvalid
-from .automation import disp_update, update_to_code
-from .defines import CONF_SKIP
+from .automation import disp_update, focused_widgets, update_to_code
+from .defines import CONF_ADJUSTABLE, CONF_SKIP
 from .encoders import ENCODERS_CONFIG, encoders_to_code, initial_focus_to_code
 from .lv_validation import lv_bool, lv_images_used
 from .lvcode import LvContext, LvglComponent
@@ -67,7 +67,7 @@ from .widgets.lv_bar import bar_spec
 from .widgets.meter import meter_spec
 from .widgets.msgbox import MSGBOX_SCHEMA, msgboxes_to_code
 from .widgets.obj import obj_spec
-from .widgets.page import add_pages, page_spec
+from .widgets.page import add_pages, generate_page_triggers, page_spec
 from .widgets.roller import roller_spec
 from .widgets.slider import slider_spec
 from .widgets.spinbox import spinbox_spec
@@ -182,6 +182,14 @@ def final_validation(config):
             raise cv.Invalid(
                 "Using RGBA or RGB24 in image config not compatible with LVGL", path
             )
+    for w in focused_widgets:
+        path = global_config.get_path_for_id(w)
+        widget_conf = global_config.get_config_for_path(path[:-1])
+        if CONF_ADJUSTABLE in widget_conf and not widget_conf[CONF_ADJUSTABLE]:
+            raise cv.Invalid(
+                "A non adjustable arc may not be focused",
+                path,
+            )
 
 
 async def to_code(config):
@@ -266,8 +274,12 @@ async def to_code(config):
         await add_top_layer(config)
         await msgboxes_to_code(config)
         await disp_update(f"{lv_component}->get_disp()", config)
+    # At this point only the setup code should be generated
+    assert LvContext.added_lambda_count == 1
     Widget.set_completed()
+    async with LvContext(lv_component):
         await generate_triggers(lv_component)
+        await generate_page_triggers(lv_component, config)
         for conf in config.get(CONF_ON_IDLE, ()):
             templ = await cg.templatable(conf[CONF_TIMEOUT], [], cg.uint32)
             idle_trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], lv_component, templ)
@@ -315,6 +327,8 @@ CONFIG_SCHEMA = (
                     {
                         cv.Optional(df.CONF_GRID_CELL_X_ALIGN): grid_alignments,
                         cv.Optional(df.CONF_GRID_CELL_Y_ALIGN): grid_alignments,
+                        cv.Optional(df.CONF_PAD_ROW): lvalid.pixels,
+                        cv.Optional(df.CONF_PAD_COLUMN): lvalid.pixels,
                     }
                 )
             ),

esphome/components/lvgl/automation.py

@@ -4,12 +4,15 @@ from typing import Callable
 from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_TIMEOUT
+from esphome.const import CONF_ACTION, CONF_GROUP, CONF_ID, CONF_TIMEOUT
+from esphome.cpp_generator import RawExpression, get_variable
 from esphome.cpp_types import nullptr
 
 from .defines import (
     CONF_DISP_BG_COLOR,
     CONF_DISP_BG_IMAGE,
+    CONF_EDITING,
+    CONF_FREEZE,
     CONF_LVGL_ID,
     CONF_SHOW_SNOW,
     literal,
@@ -26,8 +29,10 @@ from .lvcode import (
     add_line_marks,
     lv,
     lv_add,
+    lv_expr,
     lv_obj,
     lvgl_comp,
+    static_cast,
 )
 from .schemas import DISP_BG_SCHEMA, LIST_ACTION_SCHEMA, LVGL_SCHEMA
 from .types import (
@@ -36,9 +41,20 @@ from .types import (
     LvglCondition,
     ObjUpdateAction,
     lv_disp_t,
+    lv_group_t,
     lv_obj_t,
+    lv_pseudo_button_t,
 )
-from .widgets import Widget, get_widgets, lv_scr_act, set_obj_properties
+from .widgets import (
+    Widget,
+    get_widgets,
+    lv_scr_act,
+    set_obj_properties,
+    wait_for_widgets,
+)
+
+# Record widgets that are used in a focused action here
+focused_widgets = set()
 
 
 async def action_to_code(
@@ -48,9 +64,11 @@ async def action_to_code(
     template_arg,
     args,
 ):
+    await wait_for_widgets()
     async with LambdaContext(parameters=args, where=action_id) as context:
+        with LvConditional(lv_expr.is_pre_initialise()):
+            context.add(RawExpression("return"))
         for widget in widgets:
-            with LvConditional(widget.obj != nullptr):
             await action(widget)
     var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
     return var
@@ -147,7 +165,7 @@ async def lvgl_update_to_code(config, action_id, template_arg, args):
     widgets = await get_widgets(config)
     w = widgets[0]
     disp = f"{w.obj}->get_disp()"
-    async with LambdaContext(parameters=args, where=action_id) as context:
+    async with LambdaContext(LVGL_COMP_ARG, where=action_id) as context:
         await disp_update(disp, config)
     var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
     await cg.register_parented(var, w.var)
@@ -224,3 +242,72 @@ async def obj_show_to_code(config, action_id, template_arg, args):
     return await action_to_code(
         await get_widgets(config), do_show, action_id, template_arg, args
     )
+
+
+def focused_id(value):
+    value = cv.use_id(lv_pseudo_button_t)(value)
+    focused_widgets.add(value)
+    return value
+
+
+@automation.register_action(
+    "lvgl.widget.focus",
+    ObjUpdateAction,
+    cv.Any(
+        cv.maybe_simple_value(
+            {
+                cv.Optional(CONF_GROUP): cv.use_id(lv_group_t),
+                cv.Required(CONF_ACTION): cv.one_of(
+                    "MARK", "RESTORE", "NEXT", "PREVIOUS", upper=True
+                ),
+                cv.GenerateID(CONF_LVGL_ID): cv.use_id(LvglComponent),
+                cv.Optional(CONF_FREEZE, default=False): cv.boolean,
+            },
+            key=CONF_ACTION,
+        ),
+        cv.maybe_simple_value(
+            {
+                cv.Required(CONF_ID): focused_id,
+                cv.Optional(CONF_FREEZE, default=False): cv.boolean,
+                cv.Optional(CONF_EDITING, default=False): cv.boolean,
+            },
+            key=CONF_ID,
+        ),
+    ),
+)
+async def widget_focus(config, action_id, template_arg, args):
+    widget = await get_widgets(config)
+    if widget:
+        widget = widget[0]
+        group = static_cast(
+            lv_group_t.operator("ptr"), lv_expr.obj_get_group(widget.obj)
+        )
+    elif group := config.get(CONF_GROUP):
+        group = await get_variable(group)
+    else:
+        group = lv_expr.group_get_default()
+
+    async with LambdaContext(parameters=args, where=action_id) as context:
+        if widget:
+            lv.group_focus_freeze(group, False)
+            lv.group_focus_obj(widget.obj)
+            if config[CONF_EDITING]:
+                lv.group_set_editing(group, True)
+        else:
+            action = config[CONF_ACTION]
+            lv_comp = await get_variable(config[CONF_LVGL_ID])
+            if action == "MARK":
+                context.add(lv_comp.set_focus_mark(group))
+            else:
+                lv.group_focus_freeze(group, False)
+                if action == "RESTORE":
+                    context.add(lv_comp.restore_focus_mark(group))
+                elif action == "NEXT":
+                    lv.group_focus_next(group)
+                else:
+                    lv.group_focus_prev(group)
+
+        if config[CONF_FREEZE]:
+            lv.group_focus_freeze(group, True)
+        var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
+        return var

esphome/components/lvgl/binary_sensor/__init__.py

@@ -10,7 +10,7 @@ from ..defines import CONF_LVGL_ID, CONF_WIDGET
 from ..lvcode import EVENT_ARG, LambdaContext, LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, lv_pseudo_button_t
-from ..widgets import Widget, get_widgets
+from ..widgets import Widget, get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     binary_sensor_schema(BinarySensor)
@@ -29,6 +29,7 @@ async def to_code(config):
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
     assert isinstance(widget, Widget)
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pressed_ctx:
         pressed_ctx.add(sensor.publish_state(widget.is_pressed()))
     async with LvContext(paren) as ctx:

esphome/components/lvgl/defines.py

@@ -148,6 +148,7 @@ LV_EVENT_MAP = {
     "DEFOCUS": "DEFOCUSED",
     "READY": "READY",
     "CANCEL": "CANCEL",
+    "ALL_EVENTS": "ALL",
 }
 
 LV_EVENT_TRIGGERS = tuple(f"on_{x.lower()}" for x in LV_EVENT_MAP)
@@ -390,6 +391,7 @@ CONF_DEFAULT_FONT = "default_font"
 CONF_DEFAULT_GROUP = "default_group"
 CONF_DIR = "dir"
 CONF_DISPLAYS = "displays"
+CONF_EDITING = "editing"
 CONF_ENCODERS = "encoders"
 CONF_END_ANGLE = "end_angle"
 CONF_END_VALUE = "end_value"
@@ -401,6 +403,7 @@ CONF_FLEX_ALIGN_MAIN = "flex_align_main"
 CONF_FLEX_ALIGN_CROSS = "flex_align_cross"
 CONF_FLEX_ALIGN_TRACK = "flex_align_track"
 CONF_FLEX_GROW = "flex_grow"
+CONF_FREEZE = "freeze"
 CONF_FULL_REFRESH = "full_refresh"
 CONF_GRID_CELL_ROW_POS = "grid_cell_row_pos"
 CONF_GRID_CELL_COLUMN_POS = "grid_cell_column_pos"
@@ -428,9 +431,9 @@ CONF_MSGBOXES = "msgboxes"
 CONF_OBJ = "obj"
 CONF_OFFSET_X = "offset_x"
 CONF_OFFSET_Y = "offset_y"
+CONF_ONE_CHECKED = "one_checked"
 CONF_ONE_LINE = "one_line"
 CONF_ON_SELECT = "on_select"
-CONF_ONE_CHECKED = "one_checked"
 CONF_NEXT = "next"
 CONF_PAD_ROW = "pad_row"
 CONF_PAD_COLUMN = "pad_column"
@@ -505,4 +508,10 @@ DEFAULT_ESPHOME_FONT = "esphome_lv_default_font"
 
 
 def join_enums(enums, prefix=""):
-    return literal("|".join(f"(int){prefix}{e.upper()}" for e in enums))
+    enums = list(enums)
+    enums.sort()
+    # If a prefix is provided, prepend each constant with the prefix, and assume that all the constants are within the
+    # same namespace, otherwise cast to int to avoid triggering warnings about mixing enum types.
+    if prefix:
+        return literal("|".join(f"{prefix}{e.upper()}" for e in enums))
+    return literal("|".join(f"(int){e.upper()}" for e in enums))

esphome/components/lvgl/light/__init__.py

@@ -8,7 +8,7 @@ from ..defines import CONF_LVGL_ID
 from ..lvcode import LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LvType, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 lv_led_t = LvType("lv_led_t")
 LVLight = lvgl_ns.class_("LVLight", LightOutput)
@@ -28,5 +28,6 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_LED)
     widget = widget[0]
+    await wait_for_widgets()
     async with LvContext(paren) as ctx:
         ctx.add(var.set_obj(widget.obj))

esphome/components/lvgl/lv_validation.py

@@ -52,9 +52,7 @@ opacity = LValidator(opacity_validator, uint32, retmapper=literal)
 def color(value):
     if value == SCHEMA_EXTRACT:
         return ["hex color value", "color ID"]
-    if isinstance(value, int):
-        return value
-    return cv.use_id(ColorStruct)(value)
+    return cv.Any(cv.int_, cv.use_id(ColorStruct))(value)
 
 
 def color_retmapper(value):
@@ -82,10 +80,10 @@ def pixels_or_percent_validator(value):
     """A length in one axis - either a number (pixels) or a percentage"""
     if value == SCHEMA_EXTRACT:
         return ["pixels", "..%"]
+    value = cv.Any(cv.int_, cv.percentage)(value)
     if isinstance(value, int):
-        return cv.int_(value)
-    # Will throw an exception if not a percentage.
-    return f"lv_pct({int(cv.percentage(value) * 100)})"
+        return value
+    return f"lv_pct({int(value * 100)})"
 
 
 pixels_or_percent = LValidator(pixels_or_percent_validator, uint32, retmapper=literal)
@@ -116,10 +114,7 @@ def size_validator(value):
         if value.upper() == "SIZE_CONTENT":
             return "LV_SIZE_CONTENT"
         raise cv.Invalid("must be 'size_content', a percentage or an integer (pixels)")
-    if isinstance(value, int):
-        return cv.int_(value)
-    # Will throw an exception if not a percentage.
-    return f"lv_pct({int(cv.percentage(value) * 100)})"
+    return pixels_or_percent_validator(value)
 
 
 size = LValidator(size_validator, uint32, retmapper=literal)

esphome/components/lvgl/lvcode.py

@@ -28,7 +28,7 @@ LVGL_COMP = "lv_component"  # used as a lambda argument in lvgl_comp()
 LvglComponent = lvgl_ns.class_("LvglComponent", cg.PollingComponent)
 LVGL_COMP_ARG = [(LvglComponent.operator("ptr"), LVGL_COMP)]
 lv_event_t_ptr = cg.global_ns.namespace("lv_event_t").operator("ptr")
-EVENT_ARG = [(lv_event_t_ptr, "ev")]
+EVENT_ARG = [(lv_event_t_ptr, "event")]
 # Two custom events; API_EVENT is fired when an entity is updated remotely by an API interaction;
 # UPDATE_EVENT is fired when an entity is programmatically updated locally.
 # VALUE_CHANGED is the event generated by LVGL when an entity's value changes through user interaction.
@@ -176,6 +176,8 @@ class LvContext(LambdaContext):
     Code generation into the LVGL initialisation code (called in `setup()`)
     """
 
+    added_lambda_count = 0
+
     def __init__(self, lv_component, args=None):
         self.args = args or LVGL_COMP_ARG
         super().__init__(parameters=self.args)
@@ -183,6 +185,7 @@ class LvContext(LambdaContext):
 
     async def add_init_lambda(self):
         cg.add(self.lv_component.add_init_lambda(await self.get_lambda()))
+        LvContext.added_lambda_count += 1
 
     async def __aexit__(self, exc_type, exc_val, exc_tb):
         await super().__aexit__(exc_type, exc_val, exc_tb)
@@ -288,6 +291,10 @@ class LvExpr(MockLv):
         pass
 
 
+def static_cast(type, value):
+    return literal(f"static_cast<{type}>({value})")
+
+
 # Top level mock for generic lv_ calls to be recorded
 lv = MockLv("lv_")
 # Just generate an expression

esphome/components/lvgl/lvgl_esphome.cpp

@@ -15,6 +15,60 @@ static void log_cb(const char *buf) {
 }
 #endif  // LV_USE_LOG
 
+static const char *const EVENT_NAMES[] = {
+    "NONE",
+    "PRESSED",
+    "PRESSING",
+    "PRESS_LOST",
+    "SHORT_CLICKED",
+    "LONG_PRESSED",
+    "LONG_PRESSED_REPEAT",
+    "CLICKED",
+    "RELEASED",
+    "SCROLL_BEGIN",
+    "SCROLL_END",
+    "SCROLL",
+    "GESTURE",
+    "KEY",
+    "FOCUSED",
+    "DEFOCUSED",
+    "LEAVE",
+    "HIT_TEST",
+    "COVER_CHECK",
+    "REFR_EXT_DRAW_SIZE",
+    "DRAW_MAIN_BEGIN",
+    "DRAW_MAIN",
+    "DRAW_MAIN_END",
+    "DRAW_POST_BEGIN",
+    "DRAW_POST",
+    "DRAW_POST_END",
+    "DRAW_PART_BEGIN",
+    "DRAW_PART_END",
+    "VALUE_CHANGED",
+    "INSERT",
+    "REFRESH",
+    "READY",
+    "CANCEL",
+    "DELETE",
+    "CHILD_CHANGED",
+    "CHILD_CREATED",
+    "CHILD_DELETED",
+    "SCREEN_UNLOAD_START",
+    "SCREEN_LOAD_START",
+    "SCREEN_LOADED",
+    "SCREEN_UNLOADED",
+    "SIZE_CHANGED",
+    "STYLE_CHANGED",
+    "LAYOUT_CHANGED",
+    "GET_SELF_SIZE",
+};
+
+std::string lv_event_code_name_for(uint8_t event_code) {
+  if (event_code < sizeof(EVENT_NAMES) / sizeof(EVENT_NAMES[0])) {
+    return EVENT_NAMES[event_code];
+  }
+  return str_sprintf("%2d", event_code);
+}
 static void rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area) {
   // make sure all coordinates are even
   if (area->x1 & 1)
@@ -294,6 +348,13 @@ void LvglComponent::loop() {
   }
   lv_timer_handler_run_in_period(5);
 }
+bool lv_is_pre_initialise() {
+  if (!lv_is_initialized()) {
+    ESP_LOGE(TAG, "LVGL call before component is initialised");
+    return true;
+  }
+  return false;
+}
 
 #ifdef USE_LVGL_IMAGE
 lv_img_dsc_t *lv_img_from(image::Image *src, lv_img_dsc_t *img_dsc) {

esphome/components/lvgl/lvgl_esphome.h

@@ -40,6 +40,8 @@ namespace lvgl {
 
 extern lv_event_code_t lv_api_event;     // NOLINT
 extern lv_event_code_t lv_update_event;  // NOLINT
+extern std::string lv_event_code_name_for(uint8_t event_code);
+extern bool lv_is_pre_initialise();
 #ifdef USE_LVGL_COLOR
 inline lv_color_t lv_color_from(Color color) { return lv_color_make(color.red, color.green, color.blue); }
 #endif  // USE_LVGL_COLOR
@@ -142,6 +144,13 @@ class LvglComponent : public PollingComponent {
   void show_next_page(lv_scr_load_anim_t anim, uint32_t time);
   void show_prev_page(lv_scr_load_anim_t anim, uint32_t time);
   void set_page_wrap(bool wrap) { this->page_wrap_ = wrap; }
+  void set_focus_mark(lv_group_t *group) { this->focus_marks_[group] = lv_group_get_focused(group); }
+  void restore_focus_mark(lv_group_t *group) {
+    auto *mark = this->focus_marks_[group];
+    if (mark != nullptr) {
+      lv_group_focus_obj(mark);
+    }
+  }
 
  protected:
   void write_random_();
@@ -157,6 +166,7 @@ class LvglComponent : public PollingComponent {
   bool show_snow_{};
   lv_coord_t snow_line_{};
   bool page_wrap_{true};
+  std::map<lv_group_t *, lv_obj_t *> focus_marks_{};
 
   std::vector<std::function<void(LvglComponent *lv_component)>> init_lambdas_;
   CallbackManager<void(uint32_t)> idle_callbacks_{};

esphome/components/lvgl/number/__init__.py

@@ -16,7 +16,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvNumber, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLNumber = lvgl_ns.class_("LVGLNumber", number.Number)
 
@@ -44,11 +44,13 @@ async def to_code(config):
         step=widget.get_step(),
     )
 
+    await wait_for_widgets()
     async with LambdaContext([(cg.float_, "v")]) as control:
         await widget.set_property(
             "value", MockObj("v") * MockObj(widget.get_scale()), config[CONF_ANIMATED]
         )
         lv.event_send(widget.obj, API_EVENT, cg.nullptr)
+        control.add(var.publish_state(widget.get_value()))
     async with LambdaContext(EVENT_ARG) as event:
         event.add(var.publish_state(widget.get_value()))
     event_code = (

esphome/components/lvgl/schemas.py

@@ -20,7 +20,7 @@ from . import defines as df, lv_validation as lvalid
 from .defines import CONF_TIME_FORMAT
 from .helpers import add_lv_use, requires_component, validate_printf
 from .lv_validation import lv_color, lv_font, lv_image
-from .lvcode import LvglComponent
+from .lvcode import LvglComponent, lv_event_t_ptr
 from .types import (
     LVEncoderListener,
     LvType,
@@ -215,14 +215,12 @@ def automation_schema(typ: LvType):
         events = df.LV_EVENT_TRIGGERS + (CONF_ON_VALUE,)
     else:
         events = df.LV_EVENT_TRIGGERS
-    if isinstance(typ, LvType):
-        template = Trigger.template(typ.get_arg_type())
-    else:
-        template = Trigger.template()
+    args = [typ.get_arg_type()] if isinstance(typ, LvType) else []
+    args.append(lv_event_t_ptr)
     return {
         cv.Optional(event): validate_automation(
             {
-                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(template),
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(Trigger.template(*args)),
             }
         )
         for event in events
@@ -361,7 +359,13 @@ LVGL_SCHEMA = cv.Schema(
     }
 )
 
-ALL_STYLES = {**STYLE_PROPS, **GRID_CELL_SCHEMA, **FLEX_OBJ_SCHEMA}
+ALL_STYLES = {
+    **STYLE_PROPS,
+    **GRID_CELL_SCHEMA,
+    **FLEX_OBJ_SCHEMA,
+    cv.Optional(df.CONF_PAD_ROW): lvalid.pixels,
+    cv.Optional(df.CONF_PAD_COLUMN): lvalid.pixels,
+}
 
 
 def container_validator(schema, widget_type: WidgetType):

esphome/components/lvgl/select/__init__.py

@@ -15,7 +15,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvSelect, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLSelect = lvgl_ns.class_("LVGLSelect", select.Select)
 
@@ -37,11 +37,13 @@ async def to_code(config):
     options = widget.config.get(CONF_OPTIONS, [])
     selector = await select.new_select(config, options=options)
     paren = await cg.get_variable(config[CONF_LVGL_ID])
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pub_ctx:
         pub_ctx.add(selector.publish_index(widget.get_value()))
     async with LambdaContext([(cg.uint16, "v")]) as control:
         await widget.set_property("selected", "v", animated=config[CONF_ANIMATED])
         lv.event_send(widget.obj, API_EVENT, cg.nullptr)
+        control.add(selector.publish_index(widget.get_value()))
     async with LvContext(paren) as ctx:
         lv_add(selector.set_control_lambda(await control.get_lambda()))
         ctx.add(

esphome/components/lvgl/sensor/__init__.py

@@ -14,7 +14,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvNumber
-from ..widgets import Widget, get_widgets
+from ..widgets import Widget, get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     sensor_schema(Sensor)
@@ -33,6 +33,7 @@ async def to_code(config):
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
     assert isinstance(widget, Widget)
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as lamb:
         lv_add(sensor.publish_state(widget.get_value()))
     async with LvContext(paren, LVGL_COMP_ARG):

esphome/components/lvgl/switch/__init__.py

@@ -3,7 +3,7 @@ from esphome.components.switch import Switch, new_switch, switch_schema
 import esphome.config_validation as cv
 from esphome.cpp_generator import MockObj
 
-from ..defines import CONF_LVGL_ID, CONF_WIDGET
+from ..defines import CONF_LVGL_ID, CONF_WIDGET, literal
 from ..lvcode import (
     API_EVENT,
     EVENT_ARG,
@@ -16,7 +16,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LV_STATE, lv_pseudo_button_t, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLSwitch = lvgl_ns.class_("LVGLSwitch", Switch)
 CONFIG_SCHEMA = (
@@ -35,6 +35,7 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as checked_ctx:
         checked_ctx.add(switch.publish_state(widget.get_value()))
     async with LambdaContext([(cg.bool_, "v")]) as control:
@@ -43,6 +44,7 @@ async def to_code(config):
             cond.else_()
             widget.clear_state(LV_STATE.CHECKED)
         lv.event_send(widget.obj, API_EVENT, cg.nullptr)
+        control.add(switch.publish_state(literal("v")))
     async with LvContext(paren) as ctx:
         lv_add(switch.set_control_lambda(await control.get_lambda()))
         ctx.add(

esphome/components/lvgl/text/__init__.py

@@ -15,7 +15,7 @@ from ..lvcode import (
 )
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvText, lvgl_ns
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 LVGLText = lvgl_ns.class_("LVGLText", text.Text)
 
@@ -32,9 +32,11 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext([(cg.std_string, "text_value")]) as control:
         await widget.set_property("text", "text_value.c_str())")
         lv.event_send(widget.obj, API_EVENT, None)
+        control.add(textvar.publish_state(widget.get_value()))
     async with LambdaContext(EVENT_ARG) as lamb:
         lv_add(textvar.publish_state(widget.get_value()))
     async with LvContext(paren):

esphome/components/lvgl/text_sensor/__init__.py

@@ -10,7 +10,7 @@ from ..defines import CONF_LVGL_ID, CONF_WIDGET
 from ..lvcode import API_EVENT, EVENT_ARG, UPDATE_EVENT, LambdaContext, LvContext
 from ..schemas import LVGL_SCHEMA
 from ..types import LV_EVENT, LvText
-from ..widgets import get_widgets
+from ..widgets import get_widgets, wait_for_widgets
 
 CONFIG_SCHEMA = (
     text_sensor_schema(TextSensor)
@@ -28,6 +28,7 @@ async def to_code(config):
     paren = await cg.get_variable(config[CONF_LVGL_ID])
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
+    await wait_for_widgets()
     async with LambdaContext(EVENT_ARG) as pressed_ctx:
         pressed_ctx.add(sensor.publish_state(widget.get_value()))
     async with LvContext(paren) as ctx:

esphome/components/lvgl/trigger.py

@@ -19,6 +19,7 @@ from .lvcode import (
     LvConditional,
     lv,
     lv_add,
+    lv_event_t_ptr,
 )
 from .types import LV_EVENT
 from .widgets import widget_map
@@ -65,10 +66,10 @@ async def generate_triggers(lv_component):
 async def add_trigger(conf, lv_component, w, *events):
     tid = conf[CONF_TRIGGER_ID]
     trigger = cg.new_Pvariable(tid)
-    args = w.get_args()
+    args = w.get_args() + [(lv_event_t_ptr, "event")]
     value = w.get_value()
     await automation.build_automation(trigger, args, conf)
     async with LambdaContext(EVENT_ARG, where=tid) as context:
         with LvConditional(w.is_selected()):
-            lv_add(trigger.trigger(value))
+            lv_add(trigger.trigger(value, literal("event")))
     lv_add(lv_component.add_event_cb(w.obj, await context.get_lambda(), *events))

esphome/components/lvgl/types.py

@@ -57,7 +57,7 @@ lv_group_t = cg.global_ns.struct("lv_group_t")
 LVTouchListener = lvgl_ns.class_("LVTouchListener")
 LVEncoderListener = lvgl_ns.class_("LVEncoderListener")
 lv_obj_t = LvType("lv_obj_t")
-lv_page_t = cg.global_ns.class_("LvPageType", LvCompound)
+lv_page_t = LvType("LvPageType", parents=(LvCompound,))
 lv_img_t = LvType("lv_img_t")
 
 LV_EVENT = MockObj(base="LV_EVENT_", op="")

esphome/components/lvgl/widgets/__init__.py

@@ -118,7 +118,14 @@ class Widget:
     def clear_flag(self, flag):
         return lv_obj.clear_flag(self.obj, literal(flag))
 
-    async def set_property(self, prop, value, animated: bool = None):
+    async def set_property(self, prop, value, animated: bool = None, lv_name=None):
+        """
+        Set a property of the widget.
+        :param prop:  The property name
+        :param value:  The value
+        :param animated:  If the change should be animated
+        :param lv_name:  The base type of the widget e.g. "obj"
+        """
         if isinstance(value, dict):
             value = value.get(prop)
             if isinstance(ALL_STYLES.get(prop), LValidator):
@@ -131,11 +138,12 @@ class Widget:
             value = value.total_milliseconds
         if isinstance(value, str):
             value = literal(value)
+        lv_name = lv_name or self.type.lv_name
         if animated is None or self.type.animated is not True:
-            lv.call(f"{self.type.lv_name}_set_{prop}", self.obj, value)
+            lv.call(f"{lv_name}_set_{prop}", self.obj, value)
         else:
             lv.call(
-                f"{self.type.lv_name}_set_{prop}",
+                f"{lv_name}_set_{prop}",
                 self.obj,
                 value,
                 literal("LV_ANIM_ON" if animated else "LV_ANIM_OFF"),
@@ -217,12 +225,25 @@ def get_widget_generator(wid):
         yield
 
 
-async def get_widget_(wid: Widget):
+async def get_widget_(wid):
     if obj := widget_map.get(wid):
         return obj
     return await FakeAwaitable(get_widget_generator(wid))
 
 
+def widgets_wait_generator():
+    while True:
+        if Widget.widgets_completed:
+            return
+        yield
+
+
+async def wait_for_widgets():
+    if Widget.widgets_completed:
+        return
+    await FakeAwaitable(widgets_wait_generator())
+
+
 async def get_widgets(config: Union[dict, list], id: str = CONF_ID) -> list[Widget]:
     if not config:
         return []
@@ -306,8 +327,15 @@ async def set_obj_properties(w: Widget, config):
             lv_obj.set_flex_align(w.obj, main, cross, track)
     parts = collect_parts(config)
     for part, states in parts.items():
+        part = "LV_PART_" + part.upper()
         for state, props in states.items():
-            lv_state = join_enums((f"LV_STATE_{state}", f"LV_PART_{part}"))
+            state = "LV_STATE_" + state.upper()
+            if state == "LV_STATE_DEFAULT":
+                lv_state = literal(part)
+            elif part == "LV_PART_MAIN":
+                lv_state = literal(state)
+            else:
+                lv_state = join_enums((state, part))
             for style_id in props.get(CONF_STYLES, ()):
                 lv_obj.add_style(w.obj, MockObj(style_id), lv_state)
             for prop, value in {
@@ -320,8 +348,6 @@ async def set_obj_properties(w: Widget, config):
     if group := config.get(CONF_GROUP):
         group = await cg.get_variable(group)
         lv.group_add_obj(group, w.obj)
-    flag_clr = set()
-    flag_set = set()
     props = parts[CONF_MAIN][CONF_DEFAULT]
     lambs = {}
     flag_set = set()
@@ -371,7 +397,7 @@ async def set_obj_properties(w: Widget, config):
                 w.add_state(state)
                 cond.else_()
                 w.clear_state(state)
-    await w.set_property(CONF_SCROLLBAR_MODE, config)
+    await w.set_property(CONF_SCROLLBAR_MODE, config, lv_name="obj")
 
 
 async def add_widgets(parent: Widget, config: dict):

esphome/components/lvgl/widgets/arc.py

@@ -1,5 +1,6 @@
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_GROUP,
     CONF_MAX_VALUE,
     CONF_MIN_VALUE,
     CONF_MODE,
@@ -20,7 +21,7 @@ from ..defines import (
     literal,
 )
 from ..lv_validation import angle, get_start_value, lv_float
-from ..lvcode import lv, lv_obj
+from ..lvcode import lv, lv_expr, lv_obj
 from ..types import LvNumber, NumberType
 from . import Widget
 
@@ -69,6 +70,9 @@ class ArcType(NumberType):
         if config.get(CONF_ADJUSTABLE) is False:
             lv_obj.remove_style(w.obj, nullptr, literal("LV_PART_KNOB"))
             w.clear_flag("LV_OBJ_FLAG_CLICKABLE")
+        elif CONF_GROUP not in config:
+            # For some reason arc does not get automatically added to the default group
+            lv.group_add_obj(lv_expr.group_get_default(), w.obj)
 
         value = await get_start_value(config)
         if value is not None:

esphome/components/lvgl/widgets/buttonmatrix.py

@@ -13,11 +13,13 @@ from ..defines import (
     CONF_KEY_CODE,
     CONF_MAIN,
     CONF_ONE_CHECKED,
+    CONF_PAD_COLUMN,
+    CONF_PAD_ROW,
     CONF_ROWS,
     CONF_SELECTED,
 )
 from ..helpers import lvgl_components_required
-from ..lv_validation import key_code, lv_bool
+from ..lv_validation import key_code, lv_bool, pixels
 from ..lvcode import lv, lv_add, lv_expr
 from ..schemas import automation_schema
 from ..types import (
@@ -57,6 +59,8 @@ BUTTONMATRIX_BUTTON_SCHEMA = cv.Schema(
 BUTTONMATRIX_SCHEMA = cv.Schema(
     {
         cv.Optional(CONF_ONE_CHECKED, default=False): lv_bool,
+        cv.Optional(CONF_PAD_ROW): pixels,
+        cv.Optional(CONF_PAD_COLUMN): pixels,
         cv.GenerateID(CONF_BUTTON_TEXT_LIST_ID): cv.declare_id(char_ptr),
         cv.Required(CONF_ROWS): cv.ensure_list(
             cv.Schema(

esphome/components/lvgl/widgets/checkbox.py

@@ -1,7 +1,8 @@
+from esphome.config_validation import Optional
 from esphome.const import CONF_TEXT
 
-from ..defines import CONF_INDICATOR, CONF_MAIN
-from ..lv_validation import lv_text
+from ..defines import CONF_INDICATOR, CONF_MAIN, CONF_PAD_COLUMN
+from ..lv_validation import lv_text, pixels
 from ..lvcode import lv
 from ..schemas import TEXT_SCHEMA
 from ..types import LvBoolean
@@ -16,7 +17,11 @@ class CheckboxType(WidgetType):
             CONF_CHECKBOX,
             LvBoolean("lv_checkbox_t"),
             (CONF_MAIN, CONF_INDICATOR),
-            TEXT_SCHEMA,
+            TEXT_SCHEMA.extend(
+                {
+                    Optional(CONF_PAD_COLUMN): pixels,
+                }
+            ),
         )
 
     async def to_code(self, w: Widget, config):

esphome/components/lvgl/widgets/line.py

@@ -3,7 +3,7 @@ import functools
 import esphome.codegen as cg
 import esphome.config_validation as cv
 
-from ..defines import CONF_MAIN, literal
+from ..defines import CONF_MAIN
 from ..lvcode import lv
 from ..types import LvType
 from . import Widget, WidgetType
@@ -38,11 +38,13 @@ LINE_SCHEMA = {
 
 class LineType(WidgetType):
     def __init__(self):
-        super().__init__(CONF_LINE, LvType("lv_line_t"), (CONF_MAIN,), LINE_SCHEMA)
+        super().__init__(
+            CONF_LINE, LvType("lv_line_t"), (CONF_MAIN,), LINE_SCHEMA, modify_schema={}
+        )
 
     async def to_code(self, w: Widget, config):
         """For a line object, create and add the points"""
-        data = literal(config[CONF_POINTS])
+        if data := config.get(CONF_POINTS):
             points = cg.static_const_array(config[CONF_POINT_LIST_ID], data)
             lv.line_set_points(w.obj, points, len(data))
 

esphome/components/lvgl/widgets/msgbox.py

@@ -13,7 +13,7 @@ from ..defines import (
     TYPE_FLEX,
     literal,
 )
-from ..helpers import add_lv_use
+from ..helpers import add_lv_use, lvgl_components_required
 from ..lv_validation import lv_bool, lv_pct, lv_text
 from ..lvcode import (
     EVENT_ARG,
@@ -72,6 +72,7 @@ async def msgbox_to_code(conf):
         *buttonmatrix_spec.get_uses(),
         *button_spec.get_uses(),
     )
+    lvgl_components_required.add("BUTTONMATRIX")
     messagebox_id = conf[CONF_ID]
     outer = lv_Pvariable(lv_obj_t, messagebox_id.id)
     buttonmatrix = new_Pvariable(

esphome/components/lvgl/widgets/page.py

@@ -1,6 +1,7 @@
 from esphome import automation, codegen as cg
+from esphome.automation import Trigger
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_PAGES, CONF_TIME
+from esphome.const import CONF_ID, CONF_PAGES, CONF_TIME, CONF_TRIGGER_ID
 
 from ..defines import (
     CONF_ANIMATION,
@@ -9,12 +10,39 @@ from ..defines import (
     CONF_PAGE_WRAP,
     CONF_SKIP,
     LV_ANIM,
+    literal,
 )
 from ..lv_validation import lv_bool, lv_milliseconds
-from ..lvcode import LVGL_COMP_ARG, LambdaContext, add_line_marks, lv_add, lvgl_comp
+from ..lvcode import (
+    EVENT_ARG,
+    LVGL_COMP_ARG,
+    LambdaContext,
+    add_line_marks,
+    lv_add,
+    lvgl_comp,
+)
 from ..schemas import LVGL_SCHEMA
 from ..types import LvglAction, lv_page_t
-from . import Widget, WidgetType, add_widgets, set_obj_properties
+from . import Widget, WidgetType, add_widgets, get_widgets, set_obj_properties
+
+CONF_ON_LOAD = "on_load"
+CONF_ON_UNLOAD = "on_unload"
+
+PAGE_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_SKIP, default=False): lv_bool,
+        cv.Optional(CONF_ON_LOAD): automation.validate_automation(
+            {
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(Trigger.template()),
+            }
+        ),
+        cv.Optional(CONF_ON_UNLOAD): automation.validate_automation(
+            {
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(Trigger.template()),
+            }
+        ),
+    }
+)
 
 
 class PageType(WidgetType):
@@ -23,9 +51,8 @@ class PageType(WidgetType):
             CONF_PAGE,
             lv_page_t,
             (),
-            {
-                cv.Optional(CONF_SKIP, default=False): lv_bool,
-            },
+            PAGE_SCHEMA,
+            modify_schema={},
         )
 
     async def to_code(self, w: Widget, config: dict):
@@ -39,7 +66,6 @@ SHOW_SCHEMA = LVGL_SCHEMA.extend(
     }
 )
 
-
 page_spec = PageType()
 
 
@@ -111,3 +137,21 @@ async def add_pages(lv_component, config):
         await set_obj_properties(page, config)
         await set_obj_properties(page, pconf)
         await add_widgets(page, pconf)
+
+
+async def generate_page_triggers(lv_component, config):
+    for pconf in config.get(CONF_PAGES, ()):
+        page = (await get_widgets(pconf))[0]
+        for ev in (CONF_ON_LOAD, CONF_ON_UNLOAD):
+            for loaded in pconf.get(ev, ()):
+                trigger = cg.new_Pvariable(loaded[CONF_TRIGGER_ID])
+                await automation.build_automation(trigger, [], loaded)
+                async with LambdaContext(EVENT_ARG, where=id) as context:
+                    lv_add(trigger.trigger())
+                lv_add(
+                    lv_component.add_event_cb(
+                        page.obj,
+                        await context.get_lambda(),
+                        literal(f"LV_EVENT_SCREEN_{ev[3:].upper()}_START"),
+                    )
+                )

esphome/components/lvgl/widgets/tileview.py

@@ -1,7 +1,7 @@
 from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.const import CONF_ID, CONF_ON_VALUE, CONF_ROW, CONF_TRIGGER_ID
+from esphome.const import CONF_ID, CONF_ROW
 
 from ..automation import action_to_code
 from ..defines import (
@@ -29,6 +29,7 @@ lv_tileview_t = LvType(
     "lv_tileview_t",
     largs=[(lv_obj_t_ptr, "tile")],
     lvalue=lambda w: w.get_property("tile_act"),
+    has_on_value=True,
 )
 
 tile_spec = WidgetType("lv_tileview_tile_t", lv_tile_t, (CONF_MAIN,), {})
@@ -46,13 +47,6 @@ TILEVIEW_SCHEMA = cv.Schema(
                 },
             )
         ),
-        cv.Optional(CONF_ON_VALUE): automation.validate_automation(
-            {
-                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
-                    automation.Trigger.template(lv_obj_t_ptr)
-                )
-            }
-        ),
     }
 )
 

esphome/components/media_player/media_player.h

@@ -27,6 +27,18 @@ enum MediaPlayerCommand : uint8_t {
 };
 const char *media_player_command_to_string(MediaPlayerCommand command);
 
+enum class MediaPlayerFormatPurpose : uint8_t {
+  PURPOSE_DEFAULT = 0,
+  PURPOSE_ANNOUNCEMENT = 1,
+};
+
+struct MediaPlayerSupportedFormat {
+  std::string format;
+  uint32_t sample_rate;
+  uint32_t num_channels;
+  MediaPlayerFormatPurpose purpose;
+};
+
 class MediaPlayer;
 
 class MediaPlayerTraits {
@@ -37,8 +49,11 @@ class MediaPlayerTraits {
 
   bool get_supports_pause() const { return this->supports_pause_; }
 
+  std::vector<MediaPlayerSupportedFormat> &get_supported_formats() { return this->supported_formats_; }
+
  protected:
   bool supports_pause_{false};
+  std::vector<MediaPlayerSupportedFormat> supported_formats_{};
 };
 
 class MediaPlayerCall {

esphome/components/mics_4514/mics_4514.cpp

@@ -70,72 +70,62 @@ void MICS4514Component::update() {
 
   if (this->carbon_monoxide_sensor_ != nullptr) {
     float co = 0.0f;
-    if (red_f <= 0.425f) {
-      co = (0.425f - red_f) / 0.000405f;
-      if (co < 1.0f)
-        co = 0.0f;
-      if (co > 1000.0f)
-        co = 1000.0f;
+    if (red_f > 3.4f) {
+      co = 0.0;
+    } else if (red_f < 0.01) {
+      co = 1000.0;
+    } else {
+      co = 4.2 / pow(red_f, 1.2);
     }
     this->carbon_monoxide_sensor_->publish_state(co);
   }
 
   if (this->nitrogen_dioxide_sensor_ != nullptr) {
     float nitrogendioxide = 0.0f;
-    if (ox_f >= 1.1f) {
-      nitrogendioxide = (ox_f - 0.045f) / 6.13f;
-      if (nitrogendioxide < 0.1f)
-        nitrogendioxide = 0.0f;
-      if (nitrogendioxide > 10.0f)
-        nitrogendioxide = 10.0f;
+    if (ox_f < 0.3f) {
+      nitrogendioxide = 0.0;
+    } else {
+      nitrogendioxide = 0.164 * pow(ox_f, 0.975);
     }
     this->nitrogen_dioxide_sensor_->publish_state(nitrogendioxide);
   }
 
   if (this->methane_sensor_ != nullptr) {
     float methane = 0.0f;
-    if (red_f <= 0.786f) {
-      methane = (0.786f - red_f) / 0.000023f;
-      if (methane < 1000.0f)
-        methane = 0.0f;
-      if (methane > 25000.0f)
-        methane = 25000.0f;
+    if (red_f > 0.9f || red_f < 0.5) {  // outside the range->unlikely
+      methane = 0.0;
+    } else {
+      methane = 630 / pow(red_f, 4.4);
     }
     this->methane_sensor_->publish_state(methane);
   }
 
   if (this->ethanol_sensor_ != nullptr) {
     float ethanol = 0.0f;
-    if (red_f <= 0.306f) {
-      ethanol = (0.306f - red_f) / 0.00057f;
-      if (ethanol < 10.0f)
-        ethanol = 0.0f;
-      if (ethanol > 500.0f)
-        ethanol = 500.0f;
+    if (red_f > 1.0f || red_f < 0.02) {  // outside the range->unlikely
+      ethanol = 0.0;
+    } else {
+      ethanol = 1.52 / pow(red_f, 1.55);
     }
     this->ethanol_sensor_->publish_state(ethanol);
   }
 
   if (this->hydrogen_sensor_ != nullptr) {
     float hydrogen = 0.0f;
-    if (red_f <= 0.279f) {
-      hydrogen = (0.279f - red_f) / 0.00026f;
-      if (hydrogen < 1.0f)
-        hydrogen = 0.0f;
-      if (hydrogen > 1000.0f)
-        hydrogen = 1000.0f;
+    if (red_f > 0.9f || red_f < 0.02) {  // outside the range->unlikely
+      hydrogen = 0.0;
+    } else {
+      hydrogen = 0.85 / pow(red_f, 1.75);
     }
     this->hydrogen_sensor_->publish_state(hydrogen);
   }
 
   if (this->ammonia_sensor_ != nullptr) {
     float ammonia = 0.0f;
-    if (red_f <= 0.8f) {
-      ammonia = (0.8f - red_f) / 0.0015f;
-      if (ammonia < 1.0f)
-        ammonia = 0.0f;
-      if (ammonia > 500.0f)
-        ammonia = 500.0f;
+    if (red_f > 0.98f || red_f < 0.2532) {  // outside the ammonia range->unlikely
+      ammonia = 0.0;
+    } else {
+      ammonia = 0.9 / pow(red_f, 4.6);
     }
     this->ammonia_sensor_->publish_state(ammonia);
   }

esphome/components/rpi_dpi_rgb/display.py

@@ -3,6 +3,7 @@ import esphome.config_validation as cv
 from esphome import pins
 from esphome.components import display
 from esphome.const import (
+    CONF_ENABLE_PIN,
     CONF_HSYNC_PIN,
     CONF_RESET_PIN,
     CONF_DATA_PINS,
@@ -112,6 +113,7 @@ CONFIG_SCHEMA = cv.All(
                 cv.Required(CONF_PCLK_PIN): pins.internal_gpio_output_pin_schema,
                 cv.Required(CONF_HSYNC_PIN): pins.internal_gpio_output_pin_schema,
                 cv.Required(CONF_VSYNC_PIN): pins.internal_gpio_output_pin_schema,
+                cv.Optional(CONF_ENABLE_PIN): pins.gpio_output_pin_schema,
                 cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
                 cv.Optional(CONF_HSYNC_PULSE_WIDTH, default=10): cv.int_,
                 cv.Optional(CONF_HSYNC_BACK_PORCH, default=10): cv.int_,
@@ -164,6 +166,10 @@ async def to_code(config):
         cg.add(var.add_data_pin(data_pin, index))
         index += 1
 
+    if enable_pin := config.get(CONF_ENABLE_PIN):
+        enable = await cg.gpio_pin_expression(enable_pin)
+        cg.add(var.set_enable_pin(enable))
+
     if reset_pin := config.get(CONF_RESET_PIN):
         reset = await cg.gpio_pin_expression(reset_pin)
         cg.add(var.set_reset_pin(reset))

esphome/components/rpi_dpi_rgb/rpi_dpi_rgb.cpp

@@ -104,12 +104,30 @@ void RpiDpiRgb::dump_config() {
   ESP_LOGCONFIG(TAG, "  Height: %u", this->height_);
   ESP_LOGCONFIG(TAG, "  Width: %u", this->width_);
   LOG_PIN("  DE Pin: ", this->de_pin_);
+  LOG_PIN("  Enable Pin: ", this->enable_pin_);
   LOG_PIN("  Reset Pin: ", this->reset_pin_);
   size_t data_pin_count = sizeof(this->data_pins_) / sizeof(this->data_pins_[0]);
   for (size_t i = 0; i != data_pin_count; i++)
     ESP_LOGCONFIG(TAG, "  Data pin %d: %s", i, (this->data_pins_[i])->dump_summary().c_str());
 }
 
+void RpiDpiRgb::reset_display_() const {
+  if (this->reset_pin_ != nullptr) {
+    this->reset_pin_->setup();
+    this->reset_pin_->digital_write(false);
+    if (this->enable_pin_ != nullptr) {
+      this->enable_pin_->setup();
+      this->enable_pin_->digital_write(false);
+    }
+    delay(1);
+    this->reset_pin_->digital_write(true);
+    if (this->enable_pin_ != nullptr) {
+      delay(11);
+      this->enable_pin_->digital_write(true);
+    }
+  }
+}
+
 }  // namespace rpi_dpi_rgb
 }  // namespace esphome
 

esphome/components/rpi_dpi_rgb/rpi_dpi_rgb.h

@@ -36,6 +36,7 @@ class RpiDpiRgb : public display::Display {
   void set_pclk_pin(InternalGPIOPin *pclk_pin) { this->pclk_pin_ = pclk_pin; }
   void set_vsync_pin(InternalGPIOPin *vsync_pin) { this->vsync_pin_ = vsync_pin; }
   void set_hsync_pin(InternalGPIOPin *hsync_pin) { this->hsync_pin_ = hsync_pin; }
+  void set_enable_pin(GPIOPin *enable_pin) { this->enable_pin_ = enable_pin; }
   void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
   void set_width(uint16_t width) { this->width_ = width; }
   void set_dimensions(uint16_t width, uint16_t height) {
@@ -62,10 +63,12 @@ class RpiDpiRgb : public display::Display {
  protected:
   int get_width_internal() override { return this->width_; }
   int get_height_internal() override { return this->height_; }
+  void reset_display_() const;
   InternalGPIOPin *de_pin_{nullptr};
   InternalGPIOPin *pclk_pin_{nullptr};
   InternalGPIOPin *hsync_pin_{nullptr};
   InternalGPIOPin *vsync_pin_{nullptr};
+  GPIOPin *enable_pin_{nullptr};
   GPIOPin *reset_pin_{nullptr};
   InternalGPIOPin *data_pins_[16] = {};
   uint16_t hsync_front_porch_ = 8;

esphome/components/st7701s/display.py

@@ -1,47 +1,39 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import pins
-from esphome.components import (
-    spi,
-    display,
-)
-from esphome.const import (
-    CONF_DC_PIN,
-    CONF_HSYNC_PIN,
-    CONF_RESET_PIN,
-    CONF_DATA_PINS,
-    CONF_ID,
-    CONF_DIMENSIONS,
-    CONF_VSYNC_PIN,
-    CONF_WIDTH,
-    CONF_HEIGHT,
-    CONF_LAMBDA,
-    CONF_MIRROR_X,
-    CONF_MIRROR_Y,
-    CONF_COLOR_ORDER,
-    CONF_TRANSFORM,
-    CONF_OFFSET_HEIGHT,
-    CONF_OFFSET_WIDTH,
-    CONF_INVERT_COLORS,
-    CONF_RED,
-    CONF_GREEN,
-    CONF_BLUE,
-    CONF_NUMBER,
-    CONF_IGNORE_STRAPPING_WARNING,
-)
-
-from esphome.components.esp32 import (
-    only_on_variant,
-    const,
-)
+import esphome.codegen as cg
+from esphome.components import display, spi
+from esphome.components.esp32 import const, only_on_variant
 from esphome.components.rpi_dpi_rgb.display import (
     CONF_PCLK_FREQUENCY,
     CONF_PCLK_INVERTED,
 )
-from .init_sequences import (
-    ST7701S_INITS,
-    cmd,
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_BLUE,
+    CONF_COLOR_ORDER,
+    CONF_DATA_PINS,
+    CONF_DC_PIN,
+    CONF_DIMENSIONS,
+    CONF_GREEN,
+    CONF_HEIGHT,
+    CONF_HSYNC_PIN,
+    CONF_ID,
+    CONF_IGNORE_STRAPPING_WARNING,
+    CONF_INVERT_COLORS,
+    CONF_LAMBDA,
+    CONF_MIRROR_X,
+    CONF_MIRROR_Y,
+    CONF_NUMBER,
+    CONF_OFFSET_HEIGHT,
+    CONF_OFFSET_WIDTH,
+    CONF_RED,
+    CONF_RESET_PIN,
+    CONF_TRANSFORM,
+    CONF_VSYNC_PIN,
+    CONF_WIDTH,
 )
+from esphome.core import TimePeriod
+
+from .init_sequences import ST7701S_INITS, cmd
 
 CONF_INIT_SEQUENCE = "init_sequence"
 CONF_DE_PIN = "de_pin"
@@ -59,6 +51,7 @@ DEPENDENCIES = ["spi", "esp32"]
 st7701s_ns = cg.esphome_ns.namespace("st7701s")
 ST7701S = st7701s_ns.class_("ST7701S", display.Display, cg.Component, spi.SPIDevice)
 ColorOrder = display.display_ns.enum("ColorMode")
+ST7701S_DELAY_FLAG = 0xFF
 
 COLOR_ORDERS = {
     "RGB": ColorOrder.COLOR_ORDER_RGB,
@@ -93,18 +86,23 @@ def map_sequence(value):
     """
     An initialisation sequence can be selected from one of the pre-defined sequences in init_sequences.py,
     or can be a literal array of data bytes.
-    The format is a repeated sequence of [CMD, LEN, <data>] where <data> is LEN bytes.
+    The format is a repeated sequence of [CMD, <data>] where <data> is s a sequence of bytes. The length is inferred
+    from the length of the sequence and should not be explicit.
+    A delay can be inserted by specifying "- delay N" where N is in ms
     """
+    if isinstance(value, str) and value.lower().startswith("delay "):
+        value = value.lower()[6:]
+        delay = cv.All(
+            cv.positive_time_period_milliseconds,
+            cv.Range(TimePeriod(milliseconds=1), TimePeriod(milliseconds=255)),
+        )(value)
+        return [delay, ST7701S_DELAY_FLAG]
     if not isinstance(value, list):
         value = cv.int_(value)
         value = cv.one_of(*ST7701S_INITS)(value)
         return ST7701S_INITS[value]
-    # value = cv.ensure_list(cv.uint8_t)(value)
-    data_length = len(value)
-    if data_length == 0:
-        raise cv.Invalid("Empty sequence")
-    value = cmd(*value)
-    return value
+    value = cv.Length(min=1, max=254)(value)
+    return cmd(*value)
 
 
 CONFIG_SCHEMA = cv.All(

esphome/components/st7701s/st7701s.cpp

@@ -138,12 +138,17 @@ void ST7701S::write_init_sequence_() {
   for (size_t i = 0; i != this->init_sequence_.size();) {
     uint8_t cmd = this->init_sequence_[i++];
     size_t len = this->init_sequence_[i++];
+    if (len == ST7701S_DELAY_FLAG) {
+      ESP_LOGV(TAG, "Delay %dms", cmd);
+      delay(cmd);
+    } else {
       this->write_sequence_(cmd, len, &this->init_sequence_[i]);
       i += len;
-    esph_log_v(TAG, "Command %X, %d bytes", cmd, len);
+      ESP_LOGV(TAG, "Command %X, %d bytes", cmd, len);
       if (cmd == SW_RESET_CMD)
         delay(6);
     }
+  }
   // st7701 does not appear to support axis swapping
   this->write_sequence_(CMD2_BKSEL, sizeof(CMD2_BK0), CMD2_BK0);
   this->write_command_(SDIR_CMD);  // this is in the BK0 command set
@@ -153,7 +158,7 @@ void ST7701S::write_init_sequence_() {
     val |= 0x10;
   this->write_command_(MADCTL_CMD);
   this->write_data_(val);
-  esph_log_d(TAG, "write MADCTL %X", val);
+  ESP_LOGD(TAG, "write MADCTL %X", val);
   this->write_command_(this->invert_colors_ ? INVERT_ON : INVERT_OFF);
   this->set_timeout(120, [this] {
     this->write_command_(SLEEP_OUT);

esphome/components/st7701s/st7701s.h

@@ -25,6 +25,7 @@ const uint8_t INVERT_ON = 0x21;
 const uint8_t DISPLAY_ON = 0x29;
 const uint8_t CMD2_BKSEL = 0xFF;
 const uint8_t CMD2_BK0[5] = {0x77, 0x01, 0x00, 0x00, 0x10};
+const uint8_t ST7701S_DELAY_FLAG = 0xFF;
 
 class ST7701S : public display::Display,
                 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,

esphome/components/tuya/number/__init__.py

@@ -9,6 +9,7 @@ from esphome.const import (
     CONF_MULTIPLY,
     CONF_STEP,
     CONF_INITIAL_VALUE,
+    CONF_RESTORE_VALUE,
 )
 from .. import tuya_ns, CONF_TUYA_ID, Tuya, TuyaDatapointType
 
@@ -58,6 +59,7 @@ CONFIG_SCHEMA = cv.All(
                             DATAPOINT_TYPES, lower=True
                         ),
                         cv.Optional(CONF_INITIAL_VALUE): cv.float_,
+                        cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
                     }
                 )
             ),
@@ -90,3 +92,4 @@ async def to_code(config):
             hidden_init_value := hidden_config.get(CONF_INITIAL_VALUE, None)
         ) is not None:
             cg.add(var.set_datapoint_initial_value(hidden_init_value))
+        cg.add(var.set_restore_value(hidden_config[CONF_RESTORE_VALUE]))

esphome/components/tuya/number/tuya_number.cpp

@@ -7,14 +7,28 @@ namespace tuya {
 static const char *const TAG = "tuya.number";
 
 void TuyaNumber::setup() {
+  if (this->restore_value_) {
+    this->pref_ = global_preferences->make_preference<float>(this->get_object_id_hash());
+  }
+
   this->parent_->register_listener(this->number_id_, [this](const TuyaDatapoint &datapoint) {
     if (datapoint.type == TuyaDatapointType::INTEGER) {
       ESP_LOGV(TAG, "MCU reported number %u is: %d", datapoint.id, datapoint.value_int);
-      this->publish_state(datapoint.value_int / multiply_by_);
+      float value = datapoint.value_int / multiply_by_;
+      this->publish_state(value);
+      if (this->restore_value_)
+        this->pref_.save(&value);
     } else if (datapoint.type == TuyaDatapointType::ENUM) {
       ESP_LOGV(TAG, "MCU reported number %u is: %u", datapoint.id, datapoint.value_enum);
-      this->publish_state(datapoint.value_enum);
+      float value = datapoint.value_enum;
+      this->publish_state(value);
+      if (this->restore_value_)
+        this->pref_.save(&value);
+    } else {
+      ESP_LOGW(TAG, "Reported type (%d) is not a number!", static_cast<int>(datapoint.type));
+      return;
     }
+
     if ((this->type_) && (this->type_ != datapoint.type)) {
       ESP_LOGW(TAG, "Reported type (%d) different than previously set (%d)!", static_cast<int>(datapoint.type),
                static_cast<int>(*this->type_));
@@ -23,8 +37,26 @@ void TuyaNumber::setup() {
   });
 
   this->parent_->add_on_initialized_callback([this] {
-    if ((this->initial_value_) && (this->type_)) {
-      this->control(*this->initial_value_);
+    if (this->type_) {
+      float value;
+      if (!this->restore_value_) {
+        if (this->initial_value_) {
+          value = *this->initial_value_;
+        } else {
+          return;
+        }
+      } else {
+        if (!this->pref_.load(&value)) {
+          if (this->initial_value_) {
+            value = *this->initial_value_;
+          } else {
+            value = this->traits.get_min_value();
+            ESP_LOGW(TAG, "Failed to restore and there is no initial value defined. Setting min_value (%f)", value);
+          }
+        }
+      }
+
+      this->control(value);
     }
   });
 }
@@ -38,6 +70,9 @@ void TuyaNumber::control(float value) {
     this->parent_->set_enum_datapoint_value(this->number_id_, value);
   }
   this->publish_state(value);
+
+  if (this->restore_value_)
+    this->pref_.save(&value);
 }
 
 void TuyaNumber::dump_config() {
@@ -52,6 +87,8 @@ void TuyaNumber::dump_config() {
   if (this->initial_value_) {
     ESP_LOGCONFIG(TAG, "  Initial Value: %f", *this->initial_value_);
   }
+
+  ESP_LOGCONFIG(TAG, "  Restore Value: %s", YESNO(this->restore_value_));
 }
 
 }  // namespace tuya

esphome/components/tuya/number/tuya_number.h

@@ -1,9 +1,10 @@
 #pragma once
 
-#include "esphome/core/component.h"
-#include "esphome/components/tuya/tuya.h"
 #include "esphome/components/number/number.h"
+#include "esphome/components/tuya/tuya.h"
+#include "esphome/core/component.h"
 #include "esphome/core/optional.h"
+#include "esphome/core/preferences.h"
 
 namespace esphome {
 namespace tuya {
@@ -16,6 +17,7 @@ class TuyaNumber : public number::Number, public Component {
   void set_write_multiply(float factor) { multiply_by_ = factor; }
   void set_datapoint_type(TuyaDatapointType type) { type_ = type; }
   void set_datapoint_initial_value(float value) { this->initial_value_ = value; }
+  void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
 
   void set_tuya_parent(Tuya *parent) { this->parent_ = parent; }
 
@@ -27,6 +29,9 @@ class TuyaNumber : public number::Number, public Component {
   float multiply_by_{1.0};
   optional<TuyaDatapointType> type_{};
   optional<float> initial_value_{};
+  bool restore_value_{false};
+
+  ESPPreferenceObject pref_;
 };
 
 }  // namespace tuya

esphome/components/udp/__init__.py

@@ -0,0 +1,158 @@
+import hashlib
+
+import esphome.codegen as cg
+from esphome.components.api import CONF_ENCRYPTION
+from esphome.components.binary_sensor import BinarySensor
+from esphome.components.sensor import Sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_BINARY_SENSORS,
+    CONF_ID,
+    CONF_INTERNAL,
+    CONF_KEY,
+    CONF_NAME,
+    CONF_PORT,
+    CONF_SENSORS,
+)
+from esphome.cpp_generator import MockObjClass
+
+CODEOWNERS = ["@clydebarrow"]
+DEPENDENCIES = ["network"]
+AUTO_LOAD = ["socket"]
+MULTI_CONF = True
+
+udp_ns = cg.esphome_ns.namespace("udp")
+UDPComponent = udp_ns.class_("UDPComponent", cg.PollingComponent)
+
+CONF_BROADCAST = "broadcast"
+CONF_BROADCAST_ID = "broadcast_id"
+CONF_ADDRESSES = "addresses"
+CONF_PROVIDER = "provider"
+CONF_PROVIDERS = "providers"
+CONF_REMOTE_ID = "remote_id"
+CONF_UDP_ID = "udp_id"
+CONF_PING_PONG_ENABLE = "ping_pong_enable"
+CONF_PING_PONG_RECYCLE_TIME = "ping_pong_recycle_time"
+CONF_ROLLING_CODE_ENABLE = "rolling_code_enable"
+
+
+def sensor_validation(cls: MockObjClass):
+    return cv.maybe_simple_value(
+        cv.Schema(
+            {
+                cv.Required(CONF_ID): cv.use_id(cls),
+                cv.Optional(CONF_BROADCAST_ID): cv.validate_id_name,
+            }
+        ),
+        key=CONF_ID,
+    )
+
+
+ENCRYPTION_SCHEMA = {
+    cv.Optional(CONF_ENCRYPTION): cv.maybe_simple_value(
+        cv.Schema(
+            {
+                cv.Required(CONF_KEY): cv.string,
+            }
+        ),
+        key=CONF_KEY,
+    )
+}
+
+PROVIDER_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_NAME): cv.valid_name,
+    }
+).extend(ENCRYPTION_SCHEMA)
+
+
+def validate_(config):
+    if CONF_ENCRYPTION in config:
+        if CONF_SENSORS not in config and CONF_BINARY_SENSORS not in config:
+            raise cv.Invalid("No sensors or binary sensors to encrypt")
+    elif config[CONF_ROLLING_CODE_ENABLE]:
+        raise cv.Invalid("Rolling code requires an encryption key")
+    if config[CONF_PING_PONG_ENABLE]:
+        if not any(CONF_ENCRYPTION in p for p in config.get(CONF_PROVIDERS) or ()):
+            raise cv.Invalid("Ping-pong requires at least one encrypted provider")
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.polling_component_schema("15s")
+    .extend(
+        {
+            cv.GenerateID(): cv.declare_id(UDPComponent),
+            cv.Optional(CONF_PORT, default=18511): cv.port,
+            cv.Optional(CONF_ADDRESSES, default=["255.255.255.255"]): cv.ensure_list(
+                cv.ipv4
+            ),
+            cv.Optional(CONF_ROLLING_CODE_ENABLE, default=False): cv.boolean,
+            cv.Optional(CONF_PING_PONG_ENABLE, default=False): cv.boolean,
+            cv.Optional(
+                CONF_PING_PONG_RECYCLE_TIME, default="600s"
+            ): cv.positive_time_period_seconds,
+            cv.Optional(CONF_SENSORS): cv.ensure_list(sensor_validation(Sensor)),
+            cv.Optional(CONF_BINARY_SENSORS): cv.ensure_list(
+                sensor_validation(BinarySensor)
+            ),
+            cv.Optional(CONF_PROVIDERS): cv.ensure_list(PROVIDER_SCHEMA),
+        },
+    )
+    .extend(ENCRYPTION_SCHEMA),
+    validate_,
+)
+
+SENSOR_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_REMOTE_ID): cv.string_strict,
+        cv.Required(CONF_PROVIDER): cv.valid_name,
+        cv.GenerateID(CONF_UDP_ID): cv.use_id(UDPComponent),
+    }
+)
+
+
+def require_internal_with_name(config):
+    if CONF_NAME in config and CONF_INTERNAL not in config:
+        raise cv.Invalid("Must provide internal: config when using name:")
+    return config
+
+
+def hash_encryption_key(config: dict):
+    return list(hashlib.sha256(config[CONF_KEY].encode()).digest())
+
+
+async def to_code(config):
+    cg.add_define("USE_UDP")
+    cg.add_global(udp_ns.using)
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    cg.add(var.set_port(config[CONF_PORT]))
+    cg.add(var.set_rolling_code_enable(config[CONF_ROLLING_CODE_ENABLE]))
+    cg.add(var.set_ping_pong_enable(config[CONF_PING_PONG_ENABLE]))
+    cg.add(
+        var.set_ping_pong_recycle_time(
+            config[CONF_PING_PONG_RECYCLE_TIME].total_seconds
+        )
+    )
+    for sens_conf in config.get(CONF_SENSORS, ()):
+        sens_id = sens_conf[CONF_ID]
+        sensor = await cg.get_variable(sens_id)
+        bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
+        cg.add(var.add_sensor(bcst_id, sensor))
+    for sens_conf in config.get(CONF_BINARY_SENSORS, ()):
+        sens_id = sens_conf[CONF_ID]
+        sensor = await cg.get_variable(sens_id)
+        bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
+        cg.add(var.add_binary_sensor(bcst_id, sensor))
+    for address in config[CONF_ADDRESSES]:
+        cg.add(var.add_address(str(address)))
+
+    if encryption := config.get(CONF_ENCRYPTION):
+        cg.add(var.set_encryption_key(hash_encryption_key(encryption)))
+
+    for provider in config.get(CONF_PROVIDERS, ()):
+        name = provider[CONF_NAME]
+        cg.add(var.add_provider(name))
+        if encryption := provider.get(CONF_ENCRYPTION):
+            cg.add(var.set_provider_encryption(name, hash_encryption_key(encryption)))

esphome/components/udp/binary_sensor.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components import binary_sensor
+from esphome.config_validation import All, has_at_least_one_key
+from esphome.const import CONF_ID
+
+from . import (
+    CONF_PROVIDER,
+    CONF_REMOTE_ID,
+    CONF_UDP_ID,
+    SENSOR_SCHEMA,
+    require_internal_with_name,
+)
+
+DEPENDENCIES = ["udp"]
+
+CONFIG_SCHEMA = All(
+    binary_sensor.binary_sensor_schema().extend(SENSOR_SCHEMA),
+    has_at_least_one_key(CONF_ID, CONF_REMOTE_ID),
+    require_internal_with_name,
+)
+
+
+async def to_code(config):
+    var = await binary_sensor.new_binary_sensor(config)
+    comp = await cg.get_variable(config[CONF_UDP_ID])
+    remote_id = str(config.get(CONF_REMOTE_ID) or config.get(CONF_ID))
+    cg.add(comp.add_remote_binary_sensor(config[CONF_PROVIDER], remote_id, var))

esphome/components/udp/sensor.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components.sensor import new_sensor, sensor_schema
+from esphome.config_validation import All, has_at_least_one_key
+from esphome.const import CONF_ID
+
+from . import (
+    CONF_PROVIDER,
+    CONF_REMOTE_ID,
+    CONF_UDP_ID,
+    SENSOR_SCHEMA,
+    require_internal_with_name,
+)
+
+DEPENDENCIES = ["udp"]
+
+CONFIG_SCHEMA = All(
+    sensor_schema().extend(SENSOR_SCHEMA),
+    has_at_least_one_key(CONF_ID, CONF_REMOTE_ID),
+    require_internal_with_name,
+)
+
+
+async def to_code(config):
+    var = await new_sensor(config)
+    comp = await cg.get_variable(config[CONF_UDP_ID])
+    remote_id = str(config.get(CONF_REMOTE_ID) or config.get(CONF_ID))
+    cg.add(comp.add_remote_sensor(config[CONF_PROVIDER], remote_id, var))

esphome/components/udp/udp_component.cpp

@@ -0,0 +1,616 @@
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+#include "esphome/components/network/util.h"
+#include "udp_component.h"
+
+namespace esphome {
+namespace udp {
+
+/**
+ * Structure of a data packet; everything is little-endian
+ *
+ * --- In clear text ---
+ * MAGIC_NUMBER: 16 bits
+ * host name length: 1 byte
+ * host name: (length) bytes
+ * padding: 0 or more null bytes to a 4 byte boundary
+ *
+ * --- Encrypted (if key set) ----
+ * DATA_KEY: 1 byte: OR ROLLING_CODE_KEY:
+ *  Rolling code (if enabled): 8 bytes
+ * Ping keys: if any
+ * repeat:
+ *      PING_KEY: 1 byte
+ *      ping code: 4 bytes
+ * Sensors:
+ * repeat:
+ *      SENSOR_KEY: 1 byte
+ *      float value: 4 bytes
+ *      name length: 1 byte
+ *      name
+ * Binary Sensors:
+ * repeat:
+ *      BINARY_SENSOR_KEY: 1 byte
+ *      bool value: 1 bytes
+ *      name length: 1 byte
+ *      name
+ *
+ * Padded to a 4 byte boundary with nulls
+ *
+ * Structure of a ping request packet:
+ * --- In clear text ---
+ * MAGIC_PING: 16 bits
+ * host name length: 1 byte
+ * host name: (length) bytes
+ * Ping key (4 bytes)
+ *
+ */
+static const char *const TAG = "udp";
+
+/**
+ * XXTEA implementation, using 256 bit key.
+ */
+
+static const uint32_t DELTA = 0x9e3779b9;
+#define MX ((((z >> 5) ^ (y << 2)) + ((y >> 3) ^ (z << 4))) ^ ((sum ^ y) + (k[(p ^ e) & 7] ^ z)))
+
+/**
+ * Encrypt a block of data in-place
+ */
+
+static void xxtea_encrypt(uint32_t *v, size_t n, const uint32_t *k) {
+  uint32_t z, y, sum, e;
+  size_t p;
+  size_t q = 6 + 52 / n;
+  sum = 0;
+  z = v[n - 1];
+  while (q-- != 0) {
+    sum += DELTA;
+    e = (sum >> 2);
+    for (p = 0; p != n - 1; p++) {
+      y = v[p + 1];
+      z = v[p] += MX;
+    }
+    y = v[0];
+    z = v[n - 1] += MX;
+  }
+}
+
+static void xxtea_decrypt(uint32_t *v, size_t n, const uint32_t *k) {
+  uint32_t z, y, sum, e;
+  size_t p;
+  size_t q = 6 + 52 / n;
+  sum = q * DELTA;
+  y = v[0];
+  while (q-- != 0) {
+    e = (sum >> 2);
+    for (p = n - 1; p != 0; p--) {
+      z = v[p - 1];
+      y = v[p] -= MX;
+    }
+    z = v[n - 1];
+    y = v[0] -= MX;
+    sum -= DELTA;
+  }
+}
+
+inline static size_t round4(size_t value) { return (value + 3) & ~3; }
+
+union FuData {
+  uint32_t u32;
+  float f32;
+};
+
+static const size_t MAX_PACKET_SIZE = 508;
+static const uint16_t MAGIC_NUMBER = 0x4553;
+static const uint16_t MAGIC_PING = 0x5048;
+static const uint32_t PREF_HASH = 0x45535043;
+enum DataKey {
+  ZERO_FILL_KEY,
+  DATA_KEY,
+  SENSOR_KEY,
+  BINARY_SENSOR_KEY,
+  PING_KEY,
+  ROLLING_CODE_KEY,
+};
+
+static const size_t MAX_PING_KEYS = 4;
+
+static inline void add(std::vector<uint8_t> &vec, uint32_t data) {
+  vec.push_back(data & 0xFF);
+  vec.push_back((data >> 8) & 0xFF);
+  vec.push_back((data >> 16) & 0xFF);
+  vec.push_back((data >> 24) & 0xFF);
+}
+
+static inline uint32_t get_uint32(uint8_t *&buf) {
+  uint32_t data = *buf++;
+  data += *buf++ << 8;
+  data += *buf++ << 16;
+  data += *buf++ << 24;
+  return data;
+}
+
+static inline uint16_t get_uint16(uint8_t *&buf) {
+  uint16_t data = *buf++;
+  data += *buf++ << 8;
+  return data;
+}
+
+static inline void add(std::vector<uint8_t> &vec, uint8_t data) { vec.push_back(data); }
+static inline void add(std::vector<uint8_t> &vec, uint16_t data) {
+  vec.push_back((uint8_t) data);
+  vec.push_back((uint8_t) (data >> 8));
+}
+static inline void add(std::vector<uint8_t> &vec, DataKey data) { vec.push_back(data); }
+static void add(std::vector<uint8_t> &vec, const char *str) {
+  auto len = strlen(str);
+  vec.push_back(len);
+  for (size_t i = 0; i != len; i++) {
+    vec.push_back(*str++);
+  }
+}
+
+void UDPComponent::setup() {
+  this->name_ = App.get_name().c_str();
+  if (strlen(this->name_) > 255) {
+    this->mark_failed();
+    this->status_set_error("Device name exceeds 255 chars");
+    return;
+  }
+  this->resend_ping_key_ = this->ping_pong_enable_;
+  // restore the upper 32 bits of the rolling code, increment and save.
+  this->pref_ = global_preferences->make_preference<uint32_t>(PREF_HASH, true);
+  this->pref_.load(&this->rolling_code_[1]);
+  this->rolling_code_[1]++;
+  this->pref_.save(&this->rolling_code_[1]);
+  this->ping_key_ = random_uint32();
+  ESP_LOGV(TAG, "Rolling code incremented, upper part now %u", (unsigned) this->rolling_code_[1]);
+#ifdef USE_SENSOR
+  for (auto &sensor : this->sensors_) {
+    sensor.sensor->add_on_state_callback([this, &sensor](float x) {
+      this->updated_ = true;
+      sensor.updated = true;
+    });
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto &sensor : this->binary_sensors_) {
+    sensor.sensor->add_on_state_callback([this, &sensor](bool value) {
+      this->updated_ = true;
+      sensor.updated = true;
+    });
+  }
+#endif
+  this->should_send_ = this->ping_pong_enable_;
+#ifdef USE_SENSOR
+  this->should_send_ |= !this->sensors_.empty();
+#endif
+#ifdef USE_BINARY_SENSOR
+  this->should_send_ |= !this->binary_sensors_.empty();
+#endif
+  this->should_listen_ = !this->providers_.empty() || this->is_encrypted_();
+  // initialise the header. This is invariant.
+  add(this->header_, MAGIC_NUMBER);
+  add(this->header_, this->name_);
+  // pad to a multiple of 4 bytes
+  while (this->header_.size() & 0x3)
+    this->header_.push_back(0);
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  for (const auto &address : this->addresses_) {
+    struct sockaddr saddr {};
+    socket::set_sockaddr(&saddr, sizeof(saddr), address, this->port_);
+    this->sockaddrs_.push_back(saddr);
+  }
+  // set up broadcast socket
+  if (this->should_send_) {
+    this->broadcast_socket_ = socket::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (this->broadcast_socket_ == nullptr) {
+      this->mark_failed();
+      this->status_set_error("Could not create socket");
+      return;
+    }
+    int enable = 1;
+    auto err = this->broadcast_socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set reuseaddr");
+      // we can still continue
+    }
+    err = this->broadcast_socket_->setsockopt(SOL_SOCKET, SO_BROADCAST, &enable, sizeof(int));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set broadcast");
+    }
+  }
+  // create listening socket if we either want to subscribe to providers, or need to listen
+  // for ping key broadcasts.
+  if (this->should_listen_) {
+    this->listen_socket_ = socket::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (this->listen_socket_ == nullptr) {
+      this->mark_failed();
+      this->status_set_error("Could not create socket");
+      return;
+    }
+    auto err = this->listen_socket_->setblocking(false);
+    if (err < 0) {
+      ESP_LOGE(TAG, "Unable to set nonblocking: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to set nonblocking");
+      return;
+    }
+    int enable = 1;
+    err = this->listen_socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set reuseaddr");
+      // we can still continue
+    }
+    struct sockaddr_in server {};
+
+    socklen_t sl = socket::set_sockaddr_any((struct sockaddr *) &server, sizeof(server), this->port_);
+    if (sl == 0) {
+      ESP_LOGE(TAG, "Socket unable to set sockaddr: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to set sockaddr");
+      return;
+    }
+
+    err = this->listen_socket_->bind((struct sockaddr *) &server, sizeof(server));
+    if (err != 0) {
+      ESP_LOGE(TAG, "Socket unable to bind: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to bind socket");
+      return;
+    }
+  }
+#else
+  // 8266 and RP2040 `Duino
+  for (const auto &address : this->addresses_) {
+    auto ipaddr = IPAddress();
+    ipaddr.fromString(address.c_str());
+    this->ipaddrs_.push_back(ipaddr);
+  }
+  if (this->should_listen_)
+    this->udp_client_.begin(this->port_);
+#endif
+}
+
+void UDPComponent::init_data_() {
+  this->data_.clear();
+  if (this->rolling_code_enable_) {
+    add(this->data_, ROLLING_CODE_KEY);
+    add(this->data_, this->rolling_code_[0]);
+    add(this->data_, this->rolling_code_[1]);
+    this->increment_code_();
+  } else {
+    add(this->data_, DATA_KEY);
+  }
+  for (auto pkey : this->ping_keys_) {
+    add(this->data_, PING_KEY);
+    add(this->data_, pkey.second);
+  }
+}
+
+void UDPComponent::flush_() {
+  if (!network::is_connected() || this->data_.empty())
+    return;
+  uint32_t buffer[MAX_PACKET_SIZE / 4];
+  memset(buffer, 0, sizeof buffer);
+  // len must be a multiple of 4
+  auto header_len = round4(this->header_.size()) / 4;
+  auto len = round4(data_.size()) / 4;
+  memcpy(buffer, this->header_.data(), this->header_.size());
+  memcpy(buffer + header_len, this->data_.data(), this->data_.size());
+  if (this->is_encrypted_()) {
+    xxtea_encrypt(buffer + header_len, len, (uint32_t *) this->encryption_key_.data());
+  }
+  auto total_len = (header_len + len) * 4;
+  this->send_packet_(buffer, total_len);
+}
+
+void UDPComponent::add_binary_data_(uint8_t key, const char *id, bool data) {
+  auto len = 1 + 1 + 1 + strlen(id);
+  if (len + this->header_.size() + this->data_.size() > MAX_PACKET_SIZE) {
+    this->flush_();
+  }
+  add(this->data_, key);
+  add(this->data_, (uint8_t) data);
+  add(this->data_, id);
+}
+void UDPComponent::add_data_(uint8_t key, const char *id, float data) {
+  FuData udata{.f32 = data};
+  this->add_data_(key, id, udata.u32);
+}
+
+void UDPComponent::add_data_(uint8_t key, const char *id, uint32_t data) {
+  auto len = 4 + 1 + 1 + strlen(id);
+  if (len + this->header_.size() + this->data_.size() > MAX_PACKET_SIZE) {
+    this->flush_();
+  }
+  add(this->data_, key);
+  add(this->data_, data);
+  add(this->data_, id);
+}
+void UDPComponent::send_data_(bool all) {
+  if (!this->should_send_ || !network::is_connected())
+    return;
+  this->init_data_();
+#ifdef USE_SENSOR
+  for (auto &sensor : this->sensors_) {
+    if (all || sensor.updated) {
+      sensor.updated = false;
+      this->add_data_(SENSOR_KEY, sensor.id, sensor.sensor->get_state());
+    }
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto &sensor : this->binary_sensors_) {
+    if (all || sensor.updated) {
+      sensor.updated = false;
+      this->add_binary_data_(BINARY_SENSOR_KEY, sensor.id, sensor.sensor->state);
+    }
+  }
+#endif
+  this->flush_();
+  this->updated_ = false;
+  this->resend_data_ = false;
+}
+
+void UDPComponent::update() {
+  this->updated_ = true;
+  this->resend_data_ = this->should_send_;
+  auto now = millis() / 1000;
+  if (this->last_key_time_ + this->ping_pong_recyle_time_ < now) {
+    this->resend_ping_key_ = this->ping_pong_enable_;
+    this->last_key_time_ = now;
+  }
+}
+
+void UDPComponent::loop() {
+  uint8_t buf[MAX_PACKET_SIZE];
+  if (this->should_listen_) {
+    for (;;) {
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+      auto len = this->listen_socket_->read(buf, sizeof(buf));
+#else
+      auto len = this->udp_client_.parsePacket();
+      if (len > 0)
+        len = this->udp_client_.read(buf, sizeof(buf));
+#endif
+      if (len > 0) {
+        this->process_(buf, len);
+        continue;
+      }
+      break;
+    }
+  }
+  if (this->resend_ping_key_)
+    this->send_ping_pong_request_();
+  if (this->updated_) {
+    this->send_data_(this->resend_data_);
+  }
+}
+
+void UDPComponent::add_key_(const char *name, uint32_t key) {
+  if (!this->is_encrypted_())
+    return;
+  if (this->ping_keys_.count(name) == 0 && this->ping_keys_.size() == MAX_PING_KEYS) {
+    ESP_LOGW(TAG, "Ping key from %s discarded", name);
+    return;
+  }
+  this->ping_keys_[name] = key;
+  this->resend_data_ = true;
+  ESP_LOGV(TAG, "Ping key from %s now %X", name, (unsigned) key);
+}
+
+void UDPComponent::process_ping_request_(const char *name, uint8_t *ptr, size_t len) {
+  if (len != 4) {
+    ESP_LOGW(TAG, "Bad ping request");
+    return;
+  }
+  auto key = get_uint32(ptr);
+  this->add_key_(name, key);
+  ESP_LOGV(TAG, "Updated ping key for %s to %08X", name, (unsigned) key);
+}
+
+static bool process_rolling_code(Provider &provider, uint8_t *&buf, const uint8_t *end) {
+  if (end - buf < 8)
+    return false;
+  auto code0 = get_uint32(buf);
+  auto code1 = get_uint32(buf);
+  if (code1 < provider.last_code[1] || (code1 == provider.last_code[1] && code0 <= provider.last_code[0])) {
+    ESP_LOGW(TAG, "Rolling code for %s %08lX:%08lX is old", provider.name, (unsigned long) code1,
+             (unsigned long) code0);
+    return false;
+  }
+  provider.last_code[0] = code0;
+  provider.last_code[1] = code1;
+  return true;
+}
+
+/**
+ * Process a received packet
+ */
+void UDPComponent::process_(uint8_t *buf, const size_t len) {
+  auto ping_key_seen = !this->ping_pong_enable_;
+  if (len < 8) {
+    return ESP_LOGV(TAG, "Bad length %zu", len);
+  }
+  char namebuf[256]{};
+  uint8_t byte;
+  uint8_t *start_ptr = buf;
+  const uint8_t *end = buf + len;
+  FuData rdata{};
+  auto magic = get_uint16(buf);
+  if (magic != MAGIC_NUMBER && magic != MAGIC_PING)
+    return ESP_LOGV(TAG, "Bad magic %X", magic);
+
+  auto hlen = *buf++;
+  if (hlen > len - 3) {
+    return ESP_LOGV(TAG, "Bad hostname length %u > %zu", hlen, len - 3);
+  }
+  memcpy(namebuf, buf, hlen);
+  if (strcmp(this->name_, namebuf) == 0) {
+    return ESP_LOGV(TAG, "Ignoring our own data");
+  }
+  buf += hlen;
+  if (magic == MAGIC_PING)
+    return this->process_ping_request_(namebuf, buf, end - buf);
+  if (round4(len) != len) {
+    return ESP_LOGW(TAG, "Bad length %zu", len);
+  }
+  hlen = round4(hlen + 3);
+  buf = start_ptr + hlen;
+  if (buf == end) {
+    return ESP_LOGV(TAG, "No data after header");
+  }
+
+  if (this->providers_.count(namebuf) == 0) {
+    return ESP_LOGVV(TAG, "Unknown hostname %s", namebuf);
+  }
+  auto &provider = this->providers_[namebuf];
+  // if encryption not used with this host, ping check is pointless since it would be easily spoofed.
+  if (provider.encryption_key.empty())
+    ping_key_seen = true;
+
+  ESP_LOGV(TAG, "Found hostname %s", namebuf);
+#ifdef USE_SENSOR
+  auto &sensors = this->remote_sensors_[namebuf];
+#endif
+#ifdef USE_BINARY_SENSOR
+  auto &binary_sensors = this->remote_binary_sensors_[namebuf];
+#endif
+
+  if (!provider.encryption_key.empty()) {
+    xxtea_decrypt((uint32_t *) buf, (end - buf) / 4, (uint32_t *) provider.encryption_key.data());
+  }
+  byte = *buf++;
+  if (byte == ROLLING_CODE_KEY) {
+    if (!process_rolling_code(provider, buf, end))
+      return;
+  } else if (byte != DATA_KEY) {
+    return ESP_LOGV(TAG, "Expected rolling_key or data_key, got %X", byte);
+  }
+  while (buf < end) {
+    byte = *buf++;
+    if (byte == ZERO_FILL_KEY)
+      continue;
+    if (byte == PING_KEY) {
+      if (end - buf < 4) {
+        return ESP_LOGV(TAG, "PING_KEY requires 4 more bytes");
+      }
+      auto key = get_uint32(buf);
+      if (key == this->ping_key_) {
+        ping_key_seen = true;
+        ESP_LOGV(TAG, "Found good ping key %X", (unsigned) key);
+      } else {
+        ESP_LOGV(TAG, "Unknown ping key %X", (unsigned) key);
+      }
+      continue;
+    }
+    if (!ping_key_seen) {
+      ESP_LOGW(TAG, "Ping key not seen");
+      this->resend_ping_key_ = true;
+      break;
+    }
+    if (byte == BINARY_SENSOR_KEY) {
+      if (end - buf < 3) {
+        return ESP_LOGV(TAG, "Binary sensor key requires at least 3 more bytes");
+      }
+      rdata.u32 = *buf++;
+    } else if (byte == SENSOR_KEY) {
+      if (end - buf < 6) {
+        return ESP_LOGV(TAG, "Sensor key requires at least 6 more bytes");
+      }
+      rdata.u32 = get_uint32(buf);
+    } else {
+      return ESP_LOGW(TAG, "Unknown key byte %X", byte);
+    }
+
+    hlen = *buf++;
+    if (end - buf < hlen) {
+      return ESP_LOGV(TAG, "Name length of %u not available", hlen);
+    }
+    memset(namebuf, 0, sizeof namebuf);
+    memcpy(namebuf, buf, hlen);
+    ESP_LOGV(TAG, "Found sensor key %d, id %s, data %lX", byte, namebuf, (unsigned long) rdata.u32);
+    buf += hlen;
+#ifdef USE_SENSOR
+    if (byte == SENSOR_KEY && sensors.count(namebuf) != 0)
+      sensors[namebuf]->publish_state(rdata.f32);
+#endif
+#ifdef USE_BINARY_SENSOR
+    if (byte == BINARY_SENSOR_KEY && binary_sensors.count(namebuf) != 0)
+      binary_sensors[namebuf]->publish_state(rdata.u32 != 0);
+#endif
+  }
+}
+
+void UDPComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "UDP:");
+  ESP_LOGCONFIG(TAG, "  Port: %u", this->port_);
+  ESP_LOGCONFIG(TAG, "  Encrypted: %s", YESNO(this->is_encrypted_()));
+  ESP_LOGCONFIG(TAG, "  Ping-pong: %s", YESNO(this->ping_pong_enable_));
+  for (const auto &address : this->addresses_)
+    ESP_LOGCONFIG(TAG, "  Address: %s", address.c_str());
+#ifdef USE_SENSOR
+  for (auto sensor : this->sensors_)
+    ESP_LOGCONFIG(TAG, "  Sensor: %s", sensor.id);
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto sensor : this->binary_sensors_)
+    ESP_LOGCONFIG(TAG, "  Binary Sensor: %s", sensor.id);
+#endif
+  for (const auto &host : this->providers_) {
+    ESP_LOGCONFIG(TAG, "  Remote host: %s", host.first.c_str());
+    ESP_LOGCONFIG(TAG, "    Encrypted: %s", YESNO(!host.second.encryption_key.empty()));
+#ifdef USE_SENSOR
+    for (const auto &sensor : this->remote_sensors_[host.first.c_str()])
+      ESP_LOGCONFIG(TAG, "    Sensor: %s", sensor.first.c_str());
+#endif
+#ifdef USE_BINARY_SENSOR
+    for (const auto &sensor : this->remote_binary_sensors_[host.first.c_str()])
+      ESP_LOGCONFIG(TAG, "    Binary Sensor: %s", sensor.first.c_str());
+#endif
+  }
+}
+void UDPComponent::increment_code_() {
+  if (this->rolling_code_enable_) {
+    if (++this->rolling_code_[0] == 0) {
+      this->rolling_code_[1]++;
+      this->pref_.save(&this->rolling_code_[1]);
+    }
+  }
+}
+void UDPComponent::send_packet_(void *data, size_t len) {
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  for (const auto &saddr : this->sockaddrs_) {
+    auto result = this->broadcast_socket_->sendto(data, len, 0, &saddr, sizeof(saddr));
+    if (result < 0)
+      ESP_LOGW(TAG, "sendto() error %d", errno);
+  }
+#else
+  auto iface = IPAddress(0, 0, 0, 0);
+  for (const auto &saddr : this->ipaddrs_) {
+    if (this->udp_client_.beginPacketMulticast(saddr, this->port_, iface, 128) != 0) {
+      this->udp_client_.write((const uint8_t *) data, len);
+      auto result = this->udp_client_.endPacket();
+      if (result == 0)
+        ESP_LOGW(TAG, "udp.write() error");
+    }
+  }
+#endif
+}
+
+void UDPComponent::send_ping_pong_request_() {
+  if (!this->ping_pong_enable_ || !network::is_connected())
+    return;
+  this->ping_key_ = random_uint32();
+  this->ping_header_.clear();
+  add(this->ping_header_, MAGIC_PING);
+  add(this->ping_header_, this->name_);
+  add(this->ping_header_, this->ping_key_);
+  this->send_packet_(this->ping_header_.data(), this->ping_header_.size());
+  this->resend_ping_key_ = false;
+  ESP_LOGV(TAG, "Sent new ping request %08X", (unsigned) this->ping_key_);
+}
+}  // namespace udp
+}  // namespace esphome

esphome/components/udp/udp_component.h

@@ -0,0 +1,158 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#ifdef USE_SENSOR
+#include "esphome/components/sensor/sensor.h"
+#endif
+#ifdef USE_BINARY_SENSOR
+#include "esphome/components/binary_sensor/binary_sensor.h"
+#endif
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+#include "esphome/components/socket/socket.h"
+#else
+#include <WiFiUdp.h>
+#endif
+#include <vector>
+#include <map>
+
+namespace esphome {
+namespace udp {
+
+struct Provider {
+  std::vector<uint8_t> encryption_key;
+  const char *name;
+  uint32_t last_code[2];
+};
+
+#ifdef USE_SENSOR
+struct Sensor {
+  sensor::Sensor *sensor;
+  const char *id;
+  bool updated;
+};
+#endif
+#ifdef USE_BINARY_SENSOR
+struct BinarySensor {
+  binary_sensor::BinarySensor *sensor;
+  const char *id;
+  bool updated;
+};
+#endif
+
+class UDPComponent : public PollingComponent {
+ public:
+  void setup() override;
+  void loop() override;
+  void update() override;
+  void dump_config() override;
+
+#ifdef USE_SENSOR
+  void add_sensor(const char *id, sensor::Sensor *sensor) {
+    Sensor st{sensor, id, true};
+    this->sensors_.push_back(st);
+  }
+  void add_remote_sensor(const char *hostname, const char *remote_id, sensor::Sensor *sensor) {
+    this->add_provider(hostname);
+    this->remote_sensors_[hostname][remote_id] = sensor;
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  void add_binary_sensor(const char *id, binary_sensor::BinarySensor *sensor) {
+    BinarySensor st{sensor, id, true};
+    this->binary_sensors_.push_back(st);
+  }
+
+  void add_remote_binary_sensor(const char *hostname, const char *remote_id, binary_sensor::BinarySensor *sensor) {
+    this->add_provider(hostname);
+    this->remote_binary_sensors_[hostname][remote_id] = sensor;
+  }
+#endif
+  void add_address(const char *addr) { this->addresses_.emplace_back(addr); }
+  void set_port(uint16_t port) { this->port_ = port; }
+  float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
+
+  void add_provider(const char *hostname) {
+    if (this->providers_.count(hostname) == 0) {
+      Provider provider;
+      provider.encryption_key = std::vector<uint8_t>{};
+      provider.last_code[0] = 0;
+      provider.last_code[1] = 0;
+      provider.name = hostname;
+      this->providers_[hostname] = provider;
+#ifdef USE_SENSOR
+      this->remote_sensors_[hostname] = std::map<std::string, sensor::Sensor *>();
+#endif
+#ifdef USE_BINARY_SENSOR
+      this->remote_binary_sensors_[hostname] = std::map<std::string, binary_sensor::BinarySensor *>();
+#endif
+    }
+  }
+
+  void set_encryption_key(std::vector<uint8_t> key) { this->encryption_key_ = std::move(key); }
+  void set_rolling_code_enable(bool enable) { this->rolling_code_enable_ = enable; }
+  void set_ping_pong_enable(bool enable) { this->ping_pong_enable_ = enable; }
+  void set_ping_pong_recycle_time(uint32_t recycle_time) { this->ping_pong_recyle_time_ = recycle_time; }
+  void set_provider_encryption(const char *name, std::vector<uint8_t> key) {
+    this->providers_[name].encryption_key = std::move(key);
+  }
+
+ protected:
+  void send_data_(bool all);
+  void process_(uint8_t *buf, size_t len);
+  void flush_();
+  void add_data_(uint8_t key, const char *id, float data);
+  void add_data_(uint8_t key, const char *id, uint32_t data);
+  void increment_code_();
+  void add_binary_data_(uint8_t key, const char *id, bool data);
+  void init_data_();
+
+  bool updated_{};
+  uint16_t port_{18511};
+  uint32_t ping_key_{};
+  uint32_t rolling_code_[2]{};
+  bool rolling_code_enable_{};
+  bool ping_pong_enable_{};
+  uint32_t ping_pong_recyle_time_{};
+  uint32_t last_key_time_{};
+  bool resend_ping_key_{};
+  bool resend_data_{};
+  bool should_send_{};
+  const char *name_{};
+  bool should_listen_{};
+  ESPPreferenceObject pref_;
+
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  std::unique_ptr<socket::Socket> broadcast_socket_ = nullptr;
+  std::unique_ptr<socket::Socket> listen_socket_ = nullptr;
+  std::vector<struct sockaddr> sockaddrs_{};
+#else
+  std::vector<IPAddress> ipaddrs_{};
+  WiFiUDP udp_client_{};
+#endif
+  std::vector<uint8_t> encryption_key_{};
+  std::vector<std::string> addresses_{};
+
+#ifdef USE_SENSOR
+  std::vector<Sensor> sensors_{};
+  std::map<std::string, std::map<std::string, sensor::Sensor *>> remote_sensors_{};
+#endif
+#ifdef USE_BINARY_SENSOR
+  std::vector<BinarySensor> binary_sensors_{};
+  std::map<std::string, std::map<std::string, binary_sensor::BinarySensor *>> remote_binary_sensors_{};
+#endif
+
+  std::map<std::string, Provider> providers_{};
+  std::vector<uint8_t> ping_header_{};
+  std::vector<uint8_t> header_{};
+  std::vector<uint8_t> data_{};
+  std::map<const char *, uint32_t> ping_keys_{};
+  void add_key_(const char *name, uint32_t key);
+  void send_ping_pong_request_();
+  void send_packet_(void *data, size_t len);
+  void process_ping_request_(const char *name, uint8_t *ptr, size_t len);
+
+  inline bool is_encrypted_() { return !this->encryption_key_.empty(); }
+};
+
+}  // namespace udp
+}  // namespace esphome

esphome/components/web_server/__init__.py

@@ -1,35 +1,36 @@
 from __future__ import annotations
 
 import gzip
+
 import esphome.codegen as cg
-import esphome.config_validation as cv
-import esphome.final_validate as fv
 from esphome.components import web_server_base
 from esphome.components.web_server_base import CONF_WEB_SERVER_BASE_ID
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_AUTH,
     CONF_CSS_INCLUDE,
     CONF_CSS_URL,
+    CONF_ENABLE_PRIVATE_NETWORK_ACCESS,
     CONF_ID,
+    CONF_INCLUDE_INTERNAL,
     CONF_JS_INCLUDE,
     CONF_JS_URL,
-    CONF_ENABLE_PRIVATE_NETWORK_ACCESS,
-    CONF_PORT,
-    CONF_AUTH,
-    CONF_USERNAME,
-    CONF_PASSWORD,
-    CONF_INCLUDE_INTERNAL,
-    CONF_OTA,
-    CONF_LOG,
-    CONF_VERSION,
     CONF_LOCAL,
+    CONF_LOG,
+    CONF_OTA,
+    CONF_PASSWORD,
+    CONF_PORT,
+    CONF_USERNAME,
+    CONF_VERSION,
     CONF_WEB_SERVER_ID,
     CONF_WEB_SERVER_SORTING_WEIGHT,
+    PLATFORM_BK72XX,
     PLATFORM_ESP32,
     PLATFORM_ESP8266,
-    PLATFORM_BK72XX,
     PLATFORM_RTL87XX,
 )
 from esphome.core import CORE, coroutine_with_priority
+import esphome.final_validate as fv
 
 AUTO_LOAD = ["json", "web_server_base"]
 
@@ -208,7 +209,6 @@ async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID], paren)
     await cg.register_component(var, config)
 
-    cg.add_define("USE_WEBSERVER")
     version = config[CONF_VERSION]
 
     cg.add(paren.set_port(config[CONF_PORT]))

esphome/components/web_server/list_entities.cpp

@@ -1,4 +1,5 @@
 #include "list_entities.h"
+#ifdef USE_WEBSERVER
 #include "esphome/core/application.h"
 #include "esphome/core/log.h"
 #include "esphome/core/util.h"
@@ -188,3 +189,4 @@ bool ListEntitiesIterator::on_update(update::UpdateEntity *update) {
 
 }  // namespace web_server
 }  // namespace esphome
+#endif

esphome/components/web_server/list_entities.h

@@ -1,8 +1,9 @@
 #pragma once
 
+#include "esphome/core/defines.h"
+#ifdef USE_WEBSERVER
 #include "esphome/core/component.h"
 #include "esphome/core/component_iterator.h"
-#include "esphome/core/defines.h"
 namespace esphome {
 namespace web_server {
 
@@ -78,3 +79,4 @@ class ListEntitiesIterator : public ComponentIterator {
 
 }  // namespace web_server
 }  // namespace esphome
+#endif

esphome/components/web_server/web_server.cpp

@@ -1,5 +1,5 @@
 #include "web_server.h"
-
+#ifdef USE_WEBSERVER
 #include "esphome/components/json/json_util.h"
 #include "esphome/components/network/util.h"
 #include "esphome/core/application.h"
@@ -1659,3 +1659,4 @@ void WebServer::schedule_(std::function<void()> &&f) {
 
 }  // namespace web_server
 }  // namespace esphome
+#endif

esphome/components/web_server/web_server.h

@@ -3,6 +3,7 @@
 #include "list_entities.h"
 
 #include "esphome/components/web_server_base/web_server_base.h"
+#ifdef USE_WEBSERVER
 #include "esphome/core/component.h"
 #include "esphome/core/controller.h"
 #include "esphome/core/entity_base.h"
@@ -366,3 +367,4 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
 
 }  // namespace web_server
 }  // namespace esphome
+#endif

esphome/components/web_server_base/web_server_base.cpp

@@ -1,4 +1,5 @@
 #include "web_server_base.h"
+#ifdef USE_NETWORK
 #include "esphome/core/log.h"
 #include "esphome/core/application.h"
 #include "esphome/core/helpers.h"
@@ -121,3 +122,4 @@ float WebServerBase::get_setup_priority() const {
 
 }  // namespace web_server_base
 }  // namespace esphome
+#endif

esphome/components/web_server_base/web_server_base.h

@@ -1,5 +1,6 @@
 #pragma once
-
+#include "esphome/core/defines.h"
+#ifdef USE_NETWORK
 #include <memory>
 #include <utility>
 #include <vector>
@@ -145,3 +146,4 @@ class OTARequestHandler : public AsyncWebHandler {
 
 }  // namespace web_server_base
 }  // namespace esphome
+#endif

esphome/const.py

@@ -431,6 +431,7 @@ CONF_LIGHT_ID = "light_id"
 CONF_LIGHTNING_ENERGY = "lightning_energy"
 CONF_LIGHTNING_THRESHOLD = "lightning_threshold"
 CONF_LIMIT_MODE = "limit_mode"
+CONF_LINE_FREQUENCY = "line_frequency"
 CONF_LINE_THICKNESS = "line_thickness"
 CONF_LINE_TYPE = "line_type"
 CONF_LOADED_INTEGRATIONS = "loaded_integrations"
@@ -729,6 +730,7 @@ CONF_RW_PIN = "rw_pin"
 CONF_RX_BUFFER_SIZE = "rx_buffer_size"
 CONF_RX_ONLY = "rx_only"
 CONF_RX_PIN = "rx_pin"
+CONF_RX_QUEUE_LEN = "rx_queue_len"
 CONF_SAFE_MODE = "safe_mode"
 CONF_SAMPLE_RATE = "sample_rate"
 CONF_SAMSUNG = "samsung"
@@ -880,6 +882,7 @@ CONF_TVOC = "tvoc"
 CONF_TX_BUFFER_SIZE = "tx_buffer_size"
 CONF_TX_PIN = "tx_pin"
 CONF_TX_POWER = "tx_power"
+CONF_TX_QUEUE_LEN = "tx_queue_len"
 CONF_TYPE = "type"
 CONF_TYPE_ID = "type_id"
 CONF_UART_ID = "uart_id"

esphome/core/bytebuffer.cpp

@@ -1,19 +1,67 @@
 #include "bytebuffer.h"
 #include <cassert>
+#include "esphome/core/helpers.h"
+
+#include <list>
+#include <vector>
 
 namespace esphome {
 
-ByteBuffer ByteBuffer::create(size_t capacity) {
-  std::vector<uint8_t> data(capacity);
-  return {data};
-}
-
-ByteBuffer ByteBuffer::wrap(uint8_t *ptr, size_t len) {
+ByteBuffer ByteBuffer::wrap(const uint8_t *ptr, size_t len, Endian endianness) {
+  // there is a double copy happening here, could be optimized but at cost of clarity.
   std::vector<uint8_t> data(ptr, ptr + len);
-  return {data};
+  ByteBuffer buffer = {data};
+  buffer.endianness_ = endianness;
+  return buffer;
 }
 
-ByteBuffer ByteBuffer::wrap(std::vector<uint8_t> data) { return {std::move(data)}; }
+ByteBuffer ByteBuffer::wrap(std::vector<uint8_t> const &data, Endian endianness) {
+  ByteBuffer buffer = {data};
+  buffer.endianness_ = endianness;
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(uint8_t value) {
+  ByteBuffer buffer = ByteBuffer(1);
+  buffer.put_uint8(value);
+  buffer.flip();
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(uint16_t value, Endian endianness) {
+  ByteBuffer buffer = ByteBuffer(2, endianness);
+  buffer.put_uint16(value);
+  buffer.flip();
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(uint32_t value, Endian endianness) {
+  ByteBuffer buffer = ByteBuffer(4, endianness);
+  buffer.put_uint32(value);
+  buffer.flip();
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(uint64_t value, Endian endianness) {
+  ByteBuffer buffer = ByteBuffer(8, endianness);
+  buffer.put_uint64(value);
+  buffer.flip();
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(float value, Endian endianness) {
+  ByteBuffer buffer = ByteBuffer(sizeof(float), endianness);
+  buffer.put_float(value);
+  buffer.flip();
+  return buffer;
+}
+
+ByteBuffer ByteBuffer::wrap(double value, Endian endianness) {
+  ByteBuffer buffer = ByteBuffer(sizeof(double), endianness);
+  buffer.put_double(value);
+  buffer.flip();
+  return buffer;
+}
 
 void ByteBuffer::set_limit(size_t limit) {
   assert(limit <= this->get_capacity());
@@ -27,108 +75,93 @@ void ByteBuffer::clear() {
   this->limit_ = this->get_capacity();
   this->position_ = 0;
 }
-uint16_t ByteBuffer::get_uint16() {
-  assert(this->get_remaining() >= 2);
-  uint16_t value;
-  if (endianness_ == LITTLE) {
-    value = this->data_[this->position_++];
-    value |= this->data_[this->position_++] << 8;
-  } else {
-    value = this->data_[this->position_++] << 8;
-    value |= this->data_[this->position_++];
-  }
-  return value;
+void ByteBuffer::flip() {
+  this->limit_ = this->position_;
+  this->position_ = 0;
 }
 
-uint32_t ByteBuffer::get_uint32() {
-  assert(this->get_remaining() >= 4);
-  uint32_t value;
-  if (endianness_ == LITTLE) {
-    value = this->data_[this->position_++];
-    value |= this->data_[this->position_++] << 8;
-    value |= this->data_[this->position_++] << 16;
-    value |= this->data_[this->position_++] << 24;
-  } else {
-    value = this->data_[this->position_++] << 24;
-    value |= this->data_[this->position_++] << 16;
-    value |= this->data_[this->position_++] << 8;
-    value |= this->data_[this->position_++];
-  }
-  return value;
-}
-uint32_t ByteBuffer::get_uint24() {
-  assert(this->get_remaining() >= 3);
-  uint32_t value;
-  if (endianness_ == LITTLE) {
-    value = this->data_[this->position_++];
-    value |= this->data_[this->position_++] << 8;
-    value |= this->data_[this->position_++] << 16;
-  } else {
-    value = this->data_[this->position_++] << 16;
-    value |= this->data_[this->position_++] << 8;
-    value |= this->data_[this->position_++];
-  }
-  return value;
-}
-uint32_t ByteBuffer::get_int24() {
-  auto value = this->get_uint24();
-  uint32_t mask = (~(uint32_t) 0) << 23;
-  if ((value & mask) != 0)
-    value |= mask;
-  return value;
-}
+/// Getters
 uint8_t ByteBuffer::get_uint8() {
   assert(this->get_remaining() >= 1);
   return this->data_[this->position_++];
 }
-float ByteBuffer::get_float() {
-  auto value = this->get_uint32();
-  return *(float *) &value;
+uint64_t ByteBuffer::get_uint(size_t length) {
+  assert(this->get_remaining() >= length);
+  uint64_t value = 0;
+  if (this->endianness_ == LITTLE) {
+    this->position_ += length;
+    auto index = this->position_;
+    while (length-- != 0) {
+      value <<= 8;
+      value |= this->data_[--index];
+    }
+  } else {
+    while (length-- != 0) {
+      value <<= 8;
+      value |= this->data_[this->position_++];
+    }
+  }
+  return value;
 }
+
+uint32_t ByteBuffer::get_int24() {
+  auto value = this->get_uint24();
+  uint32_t mask = (~static_cast<uint32_t>(0)) << 23;
+  if ((value & mask) != 0)
+    value |= mask;
+  return value;
+}
+float ByteBuffer::get_float() {
+  assert(this->get_remaining() >= sizeof(float));
+  return bit_cast<float>(this->get_uint32());
+}
+double ByteBuffer::get_double() {
+  assert(this->get_remaining() >= sizeof(double));
+  return bit_cast<double>(this->get_uint64());
+}
+
+std::vector<uint8_t> ByteBuffer::get_vector(size_t length) {
+  assert(this->get_remaining() >= length);
+  auto start = this->data_.begin() + this->position_;
+  this->position_ += length;
+  return {start, start + length};
+}
+
+/// Putters
 void ByteBuffer::put_uint8(uint8_t value) {
   assert(this->get_remaining() >= 1);
   this->data_[this->position_++] = value;
 }
 
-void ByteBuffer::put_uint16(uint16_t value) {
-  assert(this->get_remaining() >= 2);
+void ByteBuffer::put_uint(uint64_t value, size_t length) {
+  assert(this->get_remaining() >= length);
   if (this->endianness_ == LITTLE) {
-    this->data_[this->position_++] = (uint8_t) value;
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
+    while (length-- != 0) {
+      this->data_[this->position_++] = static_cast<uint8_t>(value);
+      value >>= 8;
+    }
   } else {
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
-    this->data_[this->position_++] = (uint8_t) value;
+    this->position_ += length;
+    auto index = this->position_;
+    while (length-- != 0) {
+      this->data_[--index] = static_cast<uint8_t>(value);
+      value >>= 8;
+    }
   }
 }
-void ByteBuffer::put_uint24(uint32_t value) {
-  assert(this->get_remaining() >= 3);
-  if (this->endianness_ == LITTLE) {
-    this->data_[this->position_++] = (uint8_t) value;
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
-    this->data_[this->position_++] = (uint8_t) (value >> 16);
-  } else {
-    this->data_[this->position_++] = (uint8_t) (value >> 16);
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
-    this->data_[this->position_++] = (uint8_t) value;
-  }
+void ByteBuffer::put_float(float value) {
+  static_assert(sizeof(float) == sizeof(uint32_t), "Float sizes other than 32 bit not supported");
+  assert(this->get_remaining() >= sizeof(float));
+  this->put_uint32(bit_cast<uint32_t>(value));
 }
-void ByteBuffer::put_uint32(uint32_t value) {
-  assert(this->get_remaining() >= 4);
-  if (this->endianness_ == LITTLE) {
-    this->data_[this->position_++] = (uint8_t) value;
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
-    this->data_[this->position_++] = (uint8_t) (value >> 16);
-    this->data_[this->position_++] = (uint8_t) (value >> 24);
-  } else {
-    this->data_[this->position_++] = (uint8_t) (value >> 24);
-    this->data_[this->position_++] = (uint8_t) (value >> 16);
-    this->data_[this->position_++] = (uint8_t) (value >> 8);
-    this->data_[this->position_++] = (uint8_t) value;
-  }
+void ByteBuffer::put_double(double value) {
+  static_assert(sizeof(double) == sizeof(uint64_t), "Double sizes other than 64 bit not supported");
+  assert(this->get_remaining() >= sizeof(double));
+  this->put_uint64(bit_cast<uint64_t>(value));
 }
-void ByteBuffer::put_float(float value) { this->put_uint32(*(uint32_t *) &value); }
-void ByteBuffer::flip() {
-  this->limit_ = this->position_;
-  this->position_ = 0;
+void ByteBuffer::put_vector(const std::vector<uint8_t> &value) {
+  assert(this->get_remaining() >= value.size());
+  std::copy(value.begin(), value.end(), this->data_.begin() + this->position_);
+  this->position_ += value.size();
 }
 }  // namespace esphome