Merge branch 'dev' into bump-2022.6.0b1

CODEOWNERS

@@ -88,6 +88,7 @@ esphome/components/honeywellabp/* @RubyBailey
 esphome/components/hrxl_maxsonar_wr/* @netmikey
 esphome/components/hydreon_rgxx/* @functionpointer
 esphome/components/i2c/* @esphome/core
+esphome/components/i2s_audio/* @jesserockz
 esphome/components/improv_serial/* @esphome/core
 esphome/components/ina260/* @MrEditor97
 esphome/components/inkbird_ibsth1_mini/* @fkirill
@@ -102,6 +103,7 @@ esphome/components/lilygo_t5_47/touchscreen/* @jesserockz
 esphome/components/lock/* @esphome/core
 esphome/components/logger/* @esphome/core
 esphome/components/ltr390/* @sjtrny
+esphome/components/max31865/* @DAVe3283
 esphome/components/max44009/* @berfenger
 esphome/components/max7219digit/* @rspaargaren
 esphome/components/max9611/* @mckaymatthew
@@ -119,6 +121,7 @@ esphome/components/mcp47a1/* @jesserockz
 esphome/components/mcp9808/* @k7hpn
 esphome/components/md5/* @esphome/core
 esphome/components/mdns/* @esphome/core
+esphome/components/media_player/* @jesserockz
 esphome/components/midea/* @dudanov
 esphome/components/midea_ir/* @dudanov
 esphome/components/mitsubishi/* @RubyBailey
@@ -178,6 +181,7 @@ esphome/components/sen5x/* @martgras
 esphome/components/sensirion_common/* @martgras
 esphome/components/sensor/* @esphome/core
 esphome/components/sgp40/* @SenexCrenshaw
+esphome/components/sgp4x/* @SenexCrenshaw @martgras
 esphome/components/shelly_dimmer/* @edge90 @rnauber
 esphome/components/sht4x/* @sjtrny
 esphome/components/shutdown/* @esphome/core @jsuanet
@@ -222,6 +226,7 @@ esphome/components/tsl2591/* @wjcarpenter
 esphome/components/tuya/binary_sensor/* @jesserockz
 esphome/components/tuya/climate/* @jesserockz
 esphome/components/tuya/number/* @frankiboy1
+esphome/components/tuya/select/* @bearpawmaxim
 esphome/components/tuya/sensor/* @jesserockz
 esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra

esphome/components/ac_dimmer/ac_dimmer.cpp

@@ -121,7 +121,11 @@ void IRAM_ATTR HOT AcDimmerDataStore::gpio_intr() {
       // calculate time until enable in µs: (1.0-value)*cycle_time, but with integer arithmetic
       // also take into account min_power
       auto min_us = this->cycle_time_us * this->min_power / 1000;
-      this->enable_time_us = std::max((uint32_t) 1, ((65535 - this->value) * (this->cycle_time_us - min_us)) / 65535);
+      // calculate required value to provide a true RMS voltage output
+      this->enable_time_us =
+          std::max((uint32_t) 1, (uint32_t)((65535 - (acos(1 - (2 * this->value / 65535.0)) / 3.14159 * 65535)) *
+                                            (this->cycle_time_us - min_us)) /
+                                     65535);
       if (this->method == DIM_METHOD_LEADING_PULSE) {
         // Minimum pulse time should be enough for the triac to trigger when it is close to the ZC zone
         // this is for brightness near 99%

esphome/components/adc/adc_sensor.cpp

@@ -15,10 +15,21 @@ namespace esphome {
 namespace adc {
 
 static const char *const TAG = "adc";
-// 13 bits for S3 / 12 bit for all other esp32 variants
+
-// create a const to avoid the repated cast to enum
+// 13bit for S2, and 12bit for all other esp32 variants
 #ifdef USE_ESP32
 static const adc_bits_width_t ADC_WIDTH_MAX_SOC_BITS = static_cast<adc_bits_width_t>(ADC_WIDTH_MAX - 1);
+
+#ifndef SOC_ADC_RTC_MAX_BITWIDTH
+#if USE_ESP32_VARIANT_ESP32S2
+static const int SOC_ADC_RTC_MAX_BITWIDTH = 13;
+#else
+static const int SOC_ADC_RTC_MAX_BITWIDTH = 12;
+#endif
+#endif
+
+static const int ADC_MAX = (1 << SOC_ADC_RTC_MAX_BITWIDTH) - 1;    // 4095 (12 bit) or 8191 (13 bit)
+static const int ADC_HALF = (1 << SOC_ADC_RTC_MAX_BITWIDTH) >> 1;  // 2048 (12 bit) or 4096 (13 bit)
 #endif
 
 void ADCSensor::setup() {
@@ -75,16 +86,16 @@ void ADCSensor::dump_config() {
   } else {
     switch (this->attenuation_) {
       case ADC_ATTEN_DB_0:
-        ESP_LOGCONFIG(TAG, " Attenuation: 0db (max 1.1V)");
+        ESP_LOGCONFIG(TAG, " Attenuation: 0db");
         break;
       case ADC_ATTEN_DB_2_5:
-        ESP_LOGCONFIG(TAG, " Attenuation: 2.5db (max 1.5V)");
+        ESP_LOGCONFIG(TAG, " Attenuation: 2.5db");
         break;
       case ADC_ATTEN_DB_6:
-        ESP_LOGCONFIG(TAG, " Attenuation: 6db (max 2.2V)");
+        ESP_LOGCONFIG(TAG, " Attenuation: 6db");
         break;
       case ADC_ATTEN_DB_11:
-        ESP_LOGCONFIG(TAG, " Attenuation: 11db (max 3.9V)");
+        ESP_LOGCONFIG(TAG, " Attenuation: 11db");
         break;
       default:  // This is to satisfy the unused ADC_ATTEN_MAX
         break;
@@ -129,16 +140,16 @@ float ADCSensor::sample() {
     return mv / 1000.0f;
   }
 
-  int raw11, raw6 = 4095, raw2 = 4095, raw0 = 4095;
+  int raw11, raw6 = ADC_MAX, raw2 = ADC_MAX, raw0 = ADC_MAX;
   adc1_config_channel_atten(channel_, ADC_ATTEN_DB_11);
   raw11 = adc1_get_raw(channel_);
-  if (raw11 < 4095) {
+  if (raw11 < ADC_MAX) {
     adc1_config_channel_atten(channel_, ADC_ATTEN_DB_6);
     raw6 = adc1_get_raw(channel_);
-    if (raw6 < 4095) {
+    if (raw6 < ADC_MAX) {
       adc1_config_channel_atten(channel_, ADC_ATTEN_DB_2_5);
       raw2 = adc1_get_raw(channel_);
-      if (raw2 < 4095) {
+      if (raw2 < ADC_MAX) {
         adc1_config_channel_atten(channel_, ADC_ATTEN_DB_0);
         raw0 = adc1_get_raw(channel_);
       }
@@ -154,15 +165,15 @@ float ADCSensor::sample() {
   uint32_t mv2 = esp_adc_cal_raw_to_voltage(raw2, &cal_characteristics_[(int) ADC_ATTEN_DB_2_5]);
   uint32_t mv0 = esp_adc_cal_raw_to_voltage(raw0, &cal_characteristics_[(int) ADC_ATTEN_DB_0]);
 
-  // Contribution of each value, in range 0-2048
+  // Contribution of each value, in range 0-2048 (12 bit ADC) or 0-4096 (13 bit ADC)
-  uint32_t c11 = std::min(raw11, 2048);
+  uint32_t c11 = std::min(raw11, ADC_HALF);
-  uint32_t c6 = 2048 - std::abs(raw6 - 2048);
+  uint32_t c6 = ADC_HALF - std::abs(raw6 - ADC_HALF);
-  uint32_t c2 = 2048 - std::abs(raw2 - 2048);
+  uint32_t c2 = ADC_HALF - std::abs(raw2 - ADC_HALF);
-  uint32_t c0 = std::min(4095 - raw0, 2048);
+  uint32_t c0 = std::min(ADC_MAX - raw0, ADC_HALF);
-  // max theoretical csum value is 2048*4 = 8192
+  // max theoretical csum value is 4096*4 = 16384
   uint32_t csum = c11 + c6 + c2 + c0;
 
-  // each mv is max 3900; so max value is 3900*2048*4, fits in unsigned
+  // each mv is max 3900; so max value is 3900*4096*4, fits in unsigned32
   uint32_t mv_scaled = (mv11 * c11) + (mv6 * c6) + (mv2 * c2) + (mv0 * c0);
   return mv_scaled / (float) (csum * 1000U);
 }

esphome/components/addressable_light/addressable_light_display.h

@@ -40,6 +40,8 @@ class AddressableLightDisplay : public display::DisplayBuffer, public PollingCom
   void setup() override;
   void display();
 
+  display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_COLOR; }
+
  protected:
   int get_width_internal() override;
   int get_height_internal() override;

esphome/components/api/api.proto

@@ -42,6 +42,7 @@ service APIConnection {
   rpc select_command (SelectCommandRequest) returns (void) {}
   rpc button_command (ButtonCommandRequest) returns (void) {}
   rpc lock_command (LockCommandRequest) returns (void) {}
+  rpc media_player_command (MediaPlayerCommandRequest) returns (void) {}
 }
 
 
@@ -991,7 +992,7 @@ message ListEntitiesLockResponse {
   bool supports_open = 9;
   bool requires_code = 10;
 
-  # Not yet implemented:
+  // Not yet implemented:
   string code_format = 11;
 }
 message LockStateResponse {
@@ -1010,7 +1011,7 @@ message LockCommandRequest {
   fixed32 key = 1;
   LockCommand command = 2;
 
-  # Not yet implemented:
+  // Not yet implemented:
   bool has_code = 3;
   string code = 4;
 }
@@ -1040,3 +1041,60 @@ message ButtonCommandRequest {
   fixed32 key = 1;
 }
 
+// ==================== MEDIA PLAYER ====================
+enum MediaPlayerState {
+  MEDIA_PLAYER_STATE_NONE = 0;
+  MEDIA_PLAYER_STATE_IDLE = 1;
+  MEDIA_PLAYER_STATE_PLAYING = 2;
+  MEDIA_PLAYER_STATE_PAUSED = 3;
+}
+enum MediaPlayerCommand {
+  MEDIA_PLAYER_COMMAND_PLAY = 0;
+  MEDIA_PLAYER_COMMAND_PAUSE = 1;
+  MEDIA_PLAYER_COMMAND_STOP = 2;
+  MEDIA_PLAYER_COMMAND_MUTE = 3;
+  MEDIA_PLAYER_COMMAND_UNMUTE = 4;
+}
+message ListEntitiesMediaPlayerResponse {
+  option (id) = 63;
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_MEDIA_PLAYER";
+
+  string object_id = 1;
+  fixed32 key = 2;
+  string name = 3;
+  string unique_id = 4;
+
+  string icon = 5;
+  bool disabled_by_default = 6;
+  EntityCategory entity_category = 7;
+
+  bool supports_pause = 8;
+}
+message MediaPlayerStateResponse {
+  option (id) = 64;
+  option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_MEDIA_PLAYER";
+  option (no_delay) = true;
+  fixed32 key = 1;
+  MediaPlayerState state = 2;
+  float volume = 3;
+  bool muted = 4;
+}
+message MediaPlayerCommandRequest {
+  option (id) = 65;
+  option (source) = SOURCE_CLIENT;
+  option (ifdef) = "USE_MEDIA_PLAYER";
+  option (no_delay) = true;
+
+  fixed32 key = 1;
+
+  bool has_command = 2;
+  MediaPlayerCommand command = 3;
+
+  bool has_volume = 4;
+  float volume = 5;
+
+  bool has_media_url = 6;
+  string media_url = 7;
+}

esphome/components/api/api_connection.cpp

@@ -12,9 +12,6 @@
 #ifdef USE_HOMEASSISTANT_TIME
 #include "esphome/components/homeassistant/time/homeassistant_time.h"
 #endif
-#ifdef USE_FAN
-#include "esphome/components/fan/fan_helpers.h"
-#endif
 
 namespace esphome {
 namespace api {
@@ -253,9 +250,6 @@ void APIConnection::cover_command(const CoverCommandRequest &msg) {
 #endif
 
 #ifdef USE_FAN
-// Shut-up about usage of deprecated speed_level_to_enum/speed_enum_to_level functions for a bit.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 bool APIConnection::send_fan_state(fan::Fan *fan) {
   if (!this->state_subscription_)
     return false;
@@ -268,7 +262,6 @@ bool APIConnection::send_fan_state(fan::Fan *fan) {
     resp.oscillating = fan->oscillating;
   if (traits.supports_speed()) {
     resp.speed_level = fan->speed;
-    resp.speed = static_cast<enums::FanSpeed>(fan::speed_level_to_enum(fan->speed, traits.supported_speed_count()));
   }
   if (traits.supports_direction())
     resp.direction = static_cast<enums::FanDirection>(fan->direction);
@@ -295,8 +288,6 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
   if (fan == nullptr)
     return;
 
-  auto traits = fan->get_traits();
-
   auto call = fan->make_call();
   if (msg.has_state)
     call.set_state(msg.state);
@@ -305,14 +296,11 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
   if (msg.has_speed_level) {
     // Prefer level
     call.set_speed(msg.speed_level);
-  } else if (msg.has_speed) {
-    call.set_speed(fan::speed_enum_to_level(static_cast<fan::FanSpeed>(msg.speed), traits.supported_speed_count()));
   }
   if (msg.has_direction)
     call.set_direction(static_cast<fan::FanDirection>(msg.direction));
   call.perform();
 }
-#pragma GCC diagnostic pop
 #endif
 
 #ifdef USE_LIGHT
@@ -745,6 +733,52 @@ void APIConnection::lock_command(const LockCommandRequest &msg) {
 }
 #endif
 
+#ifdef USE_MEDIA_PLAYER
+bool APIConnection::send_media_player_state(media_player::MediaPlayer *media_player) {
+  if (!this->state_subscription_)
+    return false;
+
+  MediaPlayerStateResponse resp{};
+  resp.key = media_player->get_object_id_hash();
+  resp.state = static_cast<enums::MediaPlayerState>(media_player->state);
+  resp.volume = media_player->volume;
+  resp.muted = media_player->is_muted();
+  return this->send_media_player_state_response(resp);
+}
+bool APIConnection::send_media_player_info(media_player::MediaPlayer *media_player) {
+  ListEntitiesMediaPlayerResponse msg;
+  msg.key = media_player->get_object_id_hash();
+  msg.object_id = media_player->get_object_id();
+  msg.name = media_player->get_name();
+  msg.unique_id = get_default_unique_id("media_player", media_player);
+  msg.icon = media_player->get_icon();
+  msg.disabled_by_default = media_player->is_disabled_by_default();
+  msg.entity_category = static_cast<enums::EntityCategory>(media_player->get_entity_category());
+
+  auto traits = media_player->get_traits();
+  msg.supports_pause = traits.get_supports_pause();
+
+  return this->send_list_entities_media_player_response(msg);
+}
+void APIConnection::media_player_command(const MediaPlayerCommandRequest &msg) {
+  media_player::MediaPlayer *media_player = App.get_media_player_by_key(msg.key);
+  if (media_player == nullptr)
+    return;
+
+  auto call = media_player->make_call();
+  if (msg.has_command) {
+    call.set_command(static_cast<media_player::MediaPlayerCommand>(msg.command));
+  }
+  if (msg.has_volume) {
+    call.set_volume(msg.volume);
+  }
+  if (msg.has_media_url) {
+    call.set_media_url(msg.media_url);
+  }
+  call.perform();
+}
+#endif
+
 #ifdef USE_ESP32_CAMERA
 void APIConnection::send_camera_state(std::shared_ptr<esp32_camera::CameraImage> image) {
   if (!this->state_subscription_)

esphome/components/api/api_connection.h

@@ -82,6 +82,11 @@ class APIConnection : public APIServerConnection {
   bool send_lock_state(lock::Lock *a_lock, lock::LockState state);
   bool send_lock_info(lock::Lock *a_lock);
   void lock_command(const LockCommandRequest &msg) override;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  bool send_media_player_state(media_player::MediaPlayer *media_player);
+  bool send_media_player_info(media_player::MediaPlayer *media_player);
+  void media_player_command(const MediaPlayerCommandRequest &msg) override;
 #endif
   bool send_log_message(int level, const char *tag, const char *line);
   void send_homeassistant_service_call(const HomeassistantServiceResponse &call) {

esphome/components/api/api_pb2.cpp

@@ -308,6 +308,36 @@ template<> const char *proto_enum_to_string<enums::LockCommand>(enums::LockComma
       return "UNKNOWN";
   }
 }
+template<> const char *proto_enum_to_string<enums::MediaPlayerState>(enums::MediaPlayerState value) {
+  switch (value) {
+    case enums::MEDIA_PLAYER_STATE_NONE:
+      return "MEDIA_PLAYER_STATE_NONE";
+    case enums::MEDIA_PLAYER_STATE_IDLE:
+      return "MEDIA_PLAYER_STATE_IDLE";
+    case enums::MEDIA_PLAYER_STATE_PLAYING:
+      return "MEDIA_PLAYER_STATE_PLAYING";
+    case enums::MEDIA_PLAYER_STATE_PAUSED:
+      return "MEDIA_PLAYER_STATE_PAUSED";
+    default:
+      return "UNKNOWN";
+  }
+}
+template<> const char *proto_enum_to_string<enums::MediaPlayerCommand>(enums::MediaPlayerCommand value) {
+  switch (value) {
+    case enums::MEDIA_PLAYER_COMMAND_PLAY:
+      return "MEDIA_PLAYER_COMMAND_PLAY";
+    case enums::MEDIA_PLAYER_COMMAND_PAUSE:
+      return "MEDIA_PLAYER_COMMAND_PAUSE";
+    case enums::MEDIA_PLAYER_COMMAND_STOP:
+      return "MEDIA_PLAYER_COMMAND_STOP";
+    case enums::MEDIA_PLAYER_COMMAND_MUTE:
+      return "MEDIA_PLAYER_COMMAND_MUTE";
+    case enums::MEDIA_PLAYER_COMMAND_UNMUTE:
+      return "MEDIA_PLAYER_COMMAND_UNMUTE";
+    default:
+      return "UNKNOWN";
+  }
+}
 bool HelloRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
     case 1: {
@@ -4574,6 +4604,254 @@ void ButtonCommandRequest::dump_to(std::string &out) const {
   out.append("}");
 }
 #endif
+bool ListEntitiesMediaPlayerResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 6: {
+      this->disabled_by_default = value.as_bool();
+      return true;
+    }
+    case 7: {
+      this->entity_category = value.as_enum<enums::EntityCategory>();
+      return true;
+    }
+    case 8: {
+      this->supports_pause = value.as_bool();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool ListEntitiesMediaPlayerResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 1: {
+      this->object_id = value.as_string();
+      return true;
+    }
+    case 3: {
+      this->name = value.as_string();
+      return true;
+    }
+    case 4: {
+      this->unique_id = value.as_string();
+      return true;
+    }
+    case 5: {
+      this->icon = value.as_string();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool ListEntitiesMediaPlayerResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
+  switch (field_id) {
+    case 2: {
+      this->key = value.as_fixed32();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_string(1, this->object_id);
+  buffer.encode_fixed32(2, this->key);
+  buffer.encode_string(3, this->name);
+  buffer.encode_string(4, this->unique_id);
+  buffer.encode_string(5, this->icon);
+  buffer.encode_bool(6, this->disabled_by_default);
+  buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
+  buffer.encode_bool(8, this->supports_pause);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("ListEntitiesMediaPlayerResponse {\n");
+  out.append("  object_id: ");
+  out.append("'").append(this->object_id).append("'");
+  out.append("\n");
+
+  out.append("  key: ");
+  sprintf(buffer, "%u", this->key);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  name: ");
+  out.append("'").append(this->name).append("'");
+  out.append("\n");
+
+  out.append("  unique_id: ");
+  out.append("'").append(this->unique_id).append("'");
+  out.append("\n");
+
+  out.append("  icon: ");
+  out.append("'").append(this->icon).append("'");
+  out.append("\n");
+
+  out.append("  disabled_by_default: ");
+  out.append(YESNO(this->disabled_by_default));
+  out.append("\n");
+
+  out.append("  entity_category: ");
+  out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
+  out.append("\n");
+
+  out.append("  supports_pause: ");
+  out.append(YESNO(this->supports_pause));
+  out.append("\n");
+  out.append("}");
+}
+#endif
+bool MediaPlayerStateResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 2: {
+      this->state = value.as_enum<enums::MediaPlayerState>();
+      return true;
+    }
+    case 4: {
+      this->muted = value.as_bool();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool MediaPlayerStateResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
+  switch (field_id) {
+    case 1: {
+      this->key = value.as_fixed32();
+      return true;
+    }
+    case 3: {
+      this->volume = value.as_float();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void MediaPlayerStateResponse::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_fixed32(1, this->key);
+  buffer.encode_enum<enums::MediaPlayerState>(2, this->state);
+  buffer.encode_float(3, this->volume);
+  buffer.encode_bool(4, this->muted);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void MediaPlayerStateResponse::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("MediaPlayerStateResponse {\n");
+  out.append("  key: ");
+  sprintf(buffer, "%u", this->key);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  state: ");
+  out.append(proto_enum_to_string<enums::MediaPlayerState>(this->state));
+  out.append("\n");
+
+  out.append("  volume: ");
+  sprintf(buffer, "%g", this->volume);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  muted: ");
+  out.append(YESNO(this->muted));
+  out.append("\n");
+  out.append("}");
+}
+#endif
+bool MediaPlayerCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 2: {
+      this->has_command = value.as_bool();
+      return true;
+    }
+    case 3: {
+      this->command = value.as_enum<enums::MediaPlayerCommand>();
+      return true;
+    }
+    case 4: {
+      this->has_volume = value.as_bool();
+      return true;
+    }
+    case 6: {
+      this->has_media_url = value.as_bool();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool MediaPlayerCommandRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 7: {
+      this->media_url = value.as_string();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool MediaPlayerCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
+  switch (field_id) {
+    case 1: {
+      this->key = value.as_fixed32();
+      return true;
+    }
+    case 5: {
+      this->volume = value.as_float();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void MediaPlayerCommandRequest::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_fixed32(1, this->key);
+  buffer.encode_bool(2, this->has_command);
+  buffer.encode_enum<enums::MediaPlayerCommand>(3, this->command);
+  buffer.encode_bool(4, this->has_volume);
+  buffer.encode_float(5, this->volume);
+  buffer.encode_bool(6, this->has_media_url);
+  buffer.encode_string(7, this->media_url);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void MediaPlayerCommandRequest::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("MediaPlayerCommandRequest {\n");
+  out.append("  key: ");
+  sprintf(buffer, "%u", this->key);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  has_command: ");
+  out.append(YESNO(this->has_command));
+  out.append("\n");
+
+  out.append("  command: ");
+  out.append(proto_enum_to_string<enums::MediaPlayerCommand>(this->command));
+  out.append("\n");
+
+  out.append("  has_volume: ");
+  out.append(YESNO(this->has_volume));
+  out.append("\n");
+
+  out.append("  volume: ");
+  sprintf(buffer, "%g", this->volume);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  has_media_url: ");
+  out.append(YESNO(this->has_media_url));
+  out.append("\n");
+
+  out.append("  media_url: ");
+  out.append("'").append(this->media_url).append("'");
+  out.append("\n");
+  out.append("}");
+}
+#endif
 
 }  // namespace api
 }  // namespace esphome

esphome/components/api/api_pb2.h

@@ -141,6 +141,19 @@ enum LockCommand : uint32_t {
   LOCK_LOCK = 1,
   LOCK_OPEN = 2,
 };
+enum MediaPlayerState : uint32_t {
+  MEDIA_PLAYER_STATE_NONE = 0,
+  MEDIA_PLAYER_STATE_IDLE = 1,
+  MEDIA_PLAYER_STATE_PLAYING = 2,
+  MEDIA_PLAYER_STATE_PAUSED = 3,
+};
+enum MediaPlayerCommand : uint32_t {
+  MEDIA_PLAYER_COMMAND_PLAY = 0,
+  MEDIA_PLAYER_COMMAND_PAUSE = 1,
+  MEDIA_PLAYER_COMMAND_STOP = 2,
+  MEDIA_PLAYER_COMMAND_MUTE = 3,
+  MEDIA_PLAYER_COMMAND_UNMUTE = 4,
+};
 
 }  // namespace enums
 
@@ -1146,6 +1159,60 @@ class ButtonCommandRequest : public ProtoMessage {
  protected:
   bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
 };
+class ListEntitiesMediaPlayerResponse : public ProtoMessage {
+ public:
+  std::string object_id{};
+  uint32_t key{0};
+  std::string name{};
+  std::string unique_id{};
+  std::string icon{};
+  bool disabled_by_default{false};
+  enums::EntityCategory entity_category{};
+  bool supports_pause{false};
+  void encode(ProtoWriteBuffer buffer) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+class MediaPlayerStateResponse : public ProtoMessage {
+ public:
+  uint32_t key{0};
+  enums::MediaPlayerState state{};
+  float volume{0.0f};
+  bool muted{false};
+  void encode(ProtoWriteBuffer buffer) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+class MediaPlayerCommandRequest : public ProtoMessage {
+ public:
+  uint32_t key{0};
+  bool has_command{false};
+  enums::MediaPlayerCommand command{};
+  bool has_volume{false};
+  float volume{0.0f};
+  bool has_media_url{false};
+  std::string media_url{};
+  void encode(ProtoWriteBuffer buffer) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
 
 }  // namespace api
 }  // namespace esphome

esphome/components/api/api_pb2_service.cpp

@@ -310,6 +310,24 @@ bool APIServerConnectionBase::send_list_entities_button_response(const ListEntit
 #endif
 #ifdef USE_BUTTON
 #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());
+#endif
+  return this->send_message_<ListEntitiesMediaPlayerResponse>(msg, 63);
+}
+#endif
+#ifdef USE_MEDIA_PLAYER
+bool APIServerConnectionBase::send_media_player_state_response(const MediaPlayerStateResponse &msg) {
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  ESP_LOGVV(TAG, "send_media_player_state_response: %s", msg.dump().c_str());
+#endif
+  return this->send_message_<MediaPlayerStateResponse>(msg, 64);
+}
+#endif
+#ifdef USE_MEDIA_PLAYER
+#endif
 bool APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) {
   switch (msg_type) {
     case 1: {
@@ -563,6 +581,17 @@ bool APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       ESP_LOGVV(TAG, "on_button_command_request: %s", msg.dump().c_str());
 #endif
       this->on_button_command_request(msg);
+#endif
+      break;
+    }
+    case 65: {
+#ifdef USE_MEDIA_PLAYER
+      MediaPlayerCommandRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_media_player_command_request: %s", msg.dump().c_str());
+#endif
+      this->on_media_player_command_request(msg);
 #endif
       break;
     }
@@ -813,6 +842,19 @@ void APIServerConnection::on_lock_command_request(const LockCommandRequest &msg)
   this->lock_command(msg);
 }
 #endif
+#ifdef USE_MEDIA_PLAYER
+void APIServerConnection::on_media_player_command_request(const MediaPlayerCommandRequest &msg) {
+  if (!this->is_connection_setup()) {
+    this->on_no_setup_connection();
+    return;
+  }
+  if (!this->is_authenticated()) {
+    this->on_unauthenticated_access();
+    return;
+  }
+  this->media_player_command(msg);
+}
+#endif
 
 }  // namespace api
 }  // namespace esphome

esphome/components/api/api_pb2_service.h

@@ -144,6 +144,15 @@ class APIServerConnectionBase : public ProtoService {
 #endif
 #ifdef USE_BUTTON
   virtual void on_button_command_request(const ButtonCommandRequest &value){};
+#endif
+#ifdef USE_MEDIA_PLAYER
+  bool send_list_entities_media_player_response(const ListEntitiesMediaPlayerResponse &msg);
+#endif
+#ifdef USE_MEDIA_PLAYER
+  bool send_media_player_state_response(const MediaPlayerStateResponse &msg);
+#endif
+#ifdef USE_MEDIA_PLAYER
+  virtual void on_media_player_command_request(const MediaPlayerCommandRequest &value){};
 #endif
  protected:
   bool read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) override;
@@ -192,6 +201,9 @@ class APIServerConnection : public APIServerConnectionBase {
 #endif
 #ifdef USE_LOCK
   virtual void lock_command(const LockCommandRequest &msg) = 0;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  virtual void media_player_command(const MediaPlayerCommandRequest &msg) = 0;
 #endif
  protected:
   void on_hello_request(const HelloRequest &msg) override;
@@ -236,6 +248,9 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_LOCK
   void on_lock_command_request(const LockCommandRequest &msg) override;
 #endif
+#ifdef USE_MEDIA_PLAYER
+  void on_media_player_command_request(const MediaPlayerCommandRequest &msg) override;
+#endif
 };
 
 }  // namespace api

esphome/components/api/api_server.cpp

@@ -272,6 +272,15 @@ void APIServer::on_lock_update(lock::Lock *obj) {
 }
 #endif
 
+#ifdef USE_MEDIA_PLAYER
+void APIServer::on_media_player_update(media_player::MediaPlayer *obj) {
+  if (obj->is_internal())
+    return;
+  for (auto &c : this->clients_)
+    c->send_media_player_state(obj);
+}
+#endif
+
 float APIServer::get_setup_priority() const { return setup_priority::AFTER_WIFI; }
 void APIServer::set_port(uint16_t port) { this->port_ = port; }
 APIServer *global_api_server = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)

esphome/components/api/api_server.h

@@ -68,6 +68,9 @@ class APIServer : public Component, public Controller {
 #endif
 #ifdef USE_LOCK
   void on_lock_update(lock::Lock *obj) override;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  void on_media_player_update(media_player::MediaPlayer *obj) override;
 #endif
   void send_homeassistant_service_call(const HomeassistantServiceResponse &call);
   void register_user_service(UserServiceDescriptor *descriptor) { this->user_services_.push_back(descriptor); }

esphome/components/api/list_entities.cpp

@@ -64,5 +64,11 @@ bool ListEntitiesIterator::on_number(number::Number *number) { return this->clie
 bool ListEntitiesIterator::on_select(select::Select *select) { return this->client_->send_select_info(select); }
 #endif
 
+#ifdef USE_MEDIA_PLAYER
+bool ListEntitiesIterator::on_media_player(media_player::MediaPlayer *media_player) {
+  return this->client_->send_media_player_info(media_player);
+}
+#endif
+
 }  // namespace api
 }  // namespace esphome

esphome/components/api/list_entities.h

@@ -51,6 +51,9 @@ class ListEntitiesIterator : public ComponentIterator {
 #endif
 #ifdef USE_LOCK
   bool on_lock(lock::Lock *a_lock) override;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  bool on_media_player(media_player::MediaPlayer *media_player) override;
 #endif
   bool on_end() override;
 

esphome/components/api/subscribe_state.cpp

@@ -50,6 +50,11 @@ bool InitialStateIterator::on_select(select::Select *select) {
 #ifdef USE_LOCK
 bool InitialStateIterator::on_lock(lock::Lock *a_lock) { return this->client_->send_lock_state(a_lock, a_lock->state); }
 #endif
+#ifdef USE_MEDIA_PLAYER
+bool InitialStateIterator::on_media_player(media_player::MediaPlayer *media_player) {
+  return this->client_->send_media_player_state(media_player);
+}
+#endif
 InitialStateIterator::InitialStateIterator(APIConnection *client) : client_(client) {}
 
 }  // namespace api

esphome/components/api/subscribe_state.h

@@ -48,6 +48,9 @@ class InitialStateIterator : public ComponentIterator {
 #endif
 #ifdef USE_LOCK
   bool on_lock(lock::Lock *a_lock) override;
+#endif
+#ifdef USE_MEDIA_PLAYER
+  bool on_media_player(media_player::MediaPlayer *media_player) override;
 #endif
  protected:
   APIConnection *client_;

esphome/components/bedjet/bedjet.cpp

@@ -36,6 +36,14 @@ static uint8_t bedjet_fan_speed_to_step(const std::string &fan_step_percent) {
   return -1;
 }
 
+static BedjetButton heat_button(BedjetHeatMode mode) {
+  BedjetButton btn = BTN_HEAT;
+  if (mode == HEAT_MODE_EXTENDED) {
+    btn = BTN_EXTHT;
+  }
+  return btn;
+}
+
 void Bedjet::upgrade_firmware() {
   auto *pkt = this->codec_->get_button_request(MAGIC_UPDATE);
   auto status = this->write_bedjet_packet_(pkt);
@@ -117,7 +125,7 @@ void Bedjet::control(const ClimateCall &call) {
         pkt = this->codec_->get_button_request(BTN_OFF);
         break;
       case climate::CLIMATE_MODE_HEAT:
-        pkt = this->codec_->get_button_request(BTN_HEAT);
+        pkt = this->codec_->get_button_request(heat_button(this->heating_mode_));
         break;
       case climate::CLIMATE_MODE_FAN_ONLY:
         pkt = this->codec_->get_button_request(BTN_COOL);
@@ -186,6 +194,8 @@ void Bedjet::control(const ClimateCall &call) {
       pkt = this->codec_->get_button_request(BTN_M2);
     } else if (preset == "M3") {
       pkt = this->codec_->get_button_request(BTN_M3);
+    } else if (preset == "LTD HT") {
+      pkt = this->codec_->get_button_request(BTN_HEAT);
     } else if (preset == "EXT HT") {
       pkt = this->codec_->get_button_request(BTN_EXTHT);
     } else {
@@ -298,7 +308,7 @@ void Bedjet::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc
 
 #ifdef USE_TIME
       if (this->time_id_.has_value()) {
-        this->send_local_time_();
+        this->send_local_time();
       }
 #endif
       break;
@@ -453,40 +463,47 @@ uint8_t Bedjet::write_notify_config_descriptor_(bool enable) {
 
 #ifdef USE_TIME
 /** Attempts to sync the local time (via `time_id`) to the BedJet device. */
-void Bedjet::send_local_time_() {
+void Bedjet::send_local_time() {
-  if (this->node_state != espbt::ClientState::ESTABLISHED) {
+  if (this->time_id_.has_value()) {
-    ESP_LOGV(TAG, "[%s] Not connected, cannot send time.", this->get_name().c_str());
+    auto *time_id = *this->time_id_;
-    return;
+    time::ESPTime now = time_id->now();
-  }
+    if (now.is_valid()) {
-  auto *time_id = *this->time_id_;
+      this->set_clock(now.hour, now.minute);
-  time::ESPTime now = time_id->now();
+      ESP_LOGD(TAG, "Using time component to set BedJet clock: %d:%02d", now.hour, now.minute);
-  if (now.is_valid()) {
-    uint8_t hour = now.hour;
-    uint8_t minute = now.minute;
-    BedjetPacket *pkt = this->codec_->get_set_time_request(hour, minute);
-    auto status = this->write_bedjet_packet_(pkt);
-    if (status) {
-      ESP_LOGW(TAG, "Failed setting BedJet clock: %d", status);
-    } else {
-      ESP_LOGD(TAG, "[%s] BedJet clock set to: %d:%02d", this->get_name().c_str(), hour, minute);
     }
+  } else {
+    ESP_LOGI(TAG, "`time_id` is not configured: will not sync BedJet clock.");
   }
 }
 
 /** Initializes time sync callbacks to support syncing current time to the BedJet. */
 void Bedjet::setup_time_() {
   if (this->time_id_.has_value()) {
-    this->send_local_time_();
+    this->send_local_time();
     auto *time_id = *this->time_id_;
-    time_id->add_on_time_sync_callback([this] { this->send_local_time_(); });
+    time_id->add_on_time_sync_callback([this] { this->send_local_time(); });
-    time::ESPTime now = time_id->now();
-    ESP_LOGD(TAG, "Using time component to set BedJet clock: %d:%02d", now.hour, now.minute);
   } else {
     ESP_LOGI(TAG, "`time_id` is not configured: will not sync BedJet clock.");
   }
 }
 #endif
 
+/** Attempt to set the BedJet device's clock to the specified time. */
+void Bedjet::set_clock(uint8_t hour, uint8_t minute) {
+  if (this->node_state != espbt::ClientState::ESTABLISHED) {
+    ESP_LOGV(TAG, "[%s] Not connected, cannot send time.", this->get_name().c_str());
+    return;
+  }
+
+  BedjetPacket *pkt = this->codec_->get_set_time_request(hour, minute);
+  auto status = this->write_bedjet_packet_(pkt);
+  if (status) {
+    ESP_LOGW(TAG, "Failed setting BedJet clock: %d", status);
+  } else {
+    ESP_LOGD(TAG, "[%s] BedJet clock set to: %d:%02d", this->get_name().c_str(), hour, minute);
+  }
+}
+
 /** Writes one BedjetPacket to the BLE client on the BEDJET_COMMAND_UUID. */
 uint8_t Bedjet::write_bedjet_packet_(BedjetPacket *pkt) {
   if (this->node_state != espbt::ClientState::ESTABLISHED) {
@@ -557,11 +574,25 @@ bool Bedjet::update_status_() {
       break;
 
     case MODE_HEAT:
+      this->mode = climate::CLIMATE_MODE_HEAT;
+      this->action = climate::CLIMATE_ACTION_HEATING;
+      this->preset.reset();
+      if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
+        this->set_custom_preset_("LTD HT");
+      } else {
+        this->custom_preset.reset();
+      }
+      break;
+
     case MODE_EXTHT:
       this->mode = climate::CLIMATE_MODE_HEAT;
       this->action = climate::CLIMATE_ACTION_HEATING;
-      this->custom_preset.reset();
       this->preset.reset();
+      if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
+        this->custom_preset.reset();
+      } else {
+        this->set_custom_preset_("EXT HT");
+      }
       break;
 
     case MODE_COOL:

esphome/components/bedjet/bedjet.h

@@ -4,6 +4,7 @@
 #include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
 #include "esphome/components/climate/climate.h"
 #include "esphome/core/component.h"
+#include "esphome/core/defines.h"
 #include "esphome/core/hal.h"
 #include "bedjet_base.h"
 
@@ -37,8 +38,12 @@ class Bedjet : public climate::Climate, public esphome::ble_client::BLEClientNod
 
 #ifdef USE_TIME
   void set_time_id(time::RealTimeClock *time_id) { this->time_id_ = time_id; }
+  void send_local_time();
 #endif
+  void set_clock(uint8_t hour, uint8_t minute);
   void set_status_timeout(uint32_t timeout) { this->timeout_ = timeout; }
+  /** Sets the default strategy to use for climate::CLIMATE_MODE_HEAT. */
+  void set_heating_mode(BedjetHeatMode mode) { this->heating_mode_ = mode; }
 
   /** Attempts to check for and apply firmware updates. */
   void upgrade_firmware();
@@ -73,6 +78,11 @@ class Bedjet : public climate::Climate, public esphome::ble_client::BLEClientNod
         "M2",
         "M3",
     });
+    if (this->heating_mode_ == HEAT_MODE_EXTENDED) {
+      traits.add_supported_custom_preset("LTD HT");
+    } else {
+      traits.add_supported_custom_preset("EXT HT");
+    }
     traits.set_visual_min_temperature(19.0);
     traits.set_visual_max_temperature(43.0);
     traits.set_visual_temperature_step(1.0);
@@ -84,11 +94,11 @@ class Bedjet : public climate::Climate, public esphome::ble_client::BLEClientNod
 
 #ifdef USE_TIME
   void setup_time_();
-  void send_local_time_();
   optional<time::RealTimeClock *> time_id_{};
 #endif
 
   uint32_t timeout_{DEFAULT_STATUS_TIMEOUT};
+  BedjetHeatMode heating_mode_ = HEAT_MODE_HEAT;
 
   static const uint32_t MIN_NOTIFY_THROTTLE = 5000;
   static const uint32_t NOTIFY_WARN_THRESHOLD = 300000;

esphome/components/bedjet/bedjet_const.h

@@ -24,6 +24,14 @@ enum BedjetMode : uint8_t {
   MODE_WAIT = 6,
 };
 
+/** Optional heating strategies to use for climate::CLIMATE_MODE_HEAT. */
+enum BedjetHeatMode {
+  /// HVACMode.HEAT is handled using BTN_HEAT (default)
+  HEAT_MODE_HEAT,
+  /// HVACMode.HEAT is handled using BTN_EXTHT
+  HEAT_MODE_EXTENDED,
+};
+
 enum BedjetButton : uint8_t {
   /// Turn BedJet off
   BTN_OFF = 0x1,
@@ -66,8 +74,8 @@ enum BedjetCommand : uint8_t {
 
 #define BEDJET_FAN_STEP_NAMES_ \
   { \
-    "  5%", " 10%", " 15%", " 20%", " 25%", " 30%", " 35%", " 40%", " 45%", " 50%", " 55%", " 60%", " 65%", " 70%", \
+    "5%", "10%", "15%", "20%", "25%", "30%", "35%", "40%", "45%", "50%", "55%", "60%", "65%", "70%", "75%", "80%", \
-        " 75%", " 80%", " 85%", " 90%", " 95%", "100%" \
+        "85%", "90%", "95%", "100%" \
   }
 
 static const char *const BEDJET_FAN_STEP_NAMES[20] = BEDJET_FAN_STEP_NAMES_;

esphome/components/bedjet/climate.py

@@ -2,6 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import climate, ble_client, time
 from esphome.const import (
+    CONF_HEAT_MODE,
     CONF_ID,
     CONF_RECEIVE_TIMEOUT,
     CONF_TIME_ID,
@@ -14,11 +15,19 @@ bedjet_ns = cg.esphome_ns.namespace("bedjet")
 Bedjet = bedjet_ns.class_(
     "Bedjet", climate.Climate, ble_client.BLEClientNode, cg.PollingComponent
 )
+BedjetHeatMode = bedjet_ns.enum("BedjetHeatMode")
+BEDJET_HEAT_MODES = {
+    "heat": BedjetHeatMode.HEAT_MODE_HEAT,
+    "extended": BedjetHeatMode.HEAT_MODE_EXTENDED,
+}
 
 CONFIG_SCHEMA = (
     climate.CLIMATE_SCHEMA.extend(
         {
             cv.GenerateID(): cv.declare_id(Bedjet),
+            cv.Optional(CONF_HEAT_MODE, default="heat"): cv.enum(
+                BEDJET_HEAT_MODES, lower=True
+            ),
             cv.Optional(CONF_TIME_ID): cv.use_id(time.RealTimeClock),
             cv.Optional(
                 CONF_RECEIVE_TIMEOUT, default="0s"
@@ -35,6 +44,7 @@ async def to_code(config):
     await cg.register_component(var, config)
     await climate.register_climate(var, config)
     await ble_client.register_ble_node(var, config)
+    cg.add(var.set_heating_mode(config[CONF_HEAT_MODE]))
     if CONF_TIME_ID in config:
         time_ = await cg.get_variable(config[CONF_TIME_ID])
         cg.add(var.set_time_id(time_))

esphome/components/binary_sensor/binary_sensor.cpp

@@ -69,7 +69,6 @@ void BinarySensor::add_filters(const std::vector<Filter *> &filters) {
   }
 }
 bool BinarySensor::has_state() const { return this->has_state_; }
-uint32_t BinarySensor::hash_base() { return 1210250844UL; }
 bool BinarySensor::is_status_binary_sensor() const { return false; }
 
 }  // namespace binary_sensor

esphome/components/binary_sensor/binary_sensor.h

@@ -76,8 +76,6 @@ class BinarySensor : public EntityBase {
   virtual std::string device_class();
 
  protected:
-  uint32_t hash_base() override;
-
   CallbackManager<void(bool)> state_callback_{};
   optional<std::string> device_class_{};  ///< Stores the override of the device class
   Filter *filter_list_{nullptr};

esphome/components/ble_client/sensor/ble_sensor.cpp

@@ -11,8 +11,6 @@ namespace ble_client {
 
 static const char *const TAG = "ble_sensor";
 
-uint32_t BLESensor::hash_base() { return 343459825UL; }
-
 void BLESensor::loop() {}
 
 void BLESensor::dump_config() {

esphome/components/ble_client/sensor/ble_sensor.h

@@ -37,7 +37,6 @@ class BLESensor : public sensor::Sensor, public PollingComponent, public BLEClie
   uint16_t handle;
 
  protected:
-  uint32_t hash_base() override;
   float parse_data_(uint8_t *value, uint16_t value_len);
   optional<data_to_value_t> data_to_value_func_{};
   bool notify_;

esphome/components/ble_client/text_sensor/ble_text_sensor.cpp

@@ -14,8 +14,6 @@ static const char *const TAG = "ble_text_sensor";
 
 static const std::string EMPTY = "";
 
-uint32_t BLETextSensor::hash_base() { return 193967603UL; }
-
 void BLETextSensor::loop() {}
 
 void BLETextSensor::dump_config() {

esphome/components/ble_client/text_sensor/ble_text_sensor.h

@@ -35,7 +35,6 @@ class BLETextSensor : public text_sensor::TextSensor, public PollingComponent, p
   uint16_t handle;
 
  protected:
-  uint32_t hash_base() override;
   bool notify_;
   espbt::ESPBTUUID service_uuid_;
   espbt::ESPBTUUID char_uuid_;

esphome/components/button/button.cpp

@@ -15,7 +15,6 @@ void Button::press() {
   this->press_callback_.call();
 }
 void Button::add_on_press_callback(std::function<void()> &&callback) { this->press_callback_.add(std::move(callback)); }
-uint32_t Button::hash_base() { return 1495763804UL; }
 
 void Button::set_device_class(const std::string &device_class) { this->device_class_ = device_class; }
 std::string Button::get_device_class() { return this->device_class_; }

esphome/components/button/button.h

@@ -47,8 +47,6 @@ class Button : public EntityBase {
    */
   virtual void press_action() = 0;
 
-  uint32_t hash_base() override;
-
   CallbackManager<void()> press_callback_{};
   std::string device_class_{};
 };

esphome/components/climate/climate.cpp

@@ -419,7 +419,6 @@ void Climate::publish_state() {
   // Save state
   this->save_state_();
 }
-uint32_t Climate::hash_base() { return 3104134496UL; }
 
 ClimateTraits Climate::get_traits() {
   auto traits = this->traits();

esphome/components/climate/climate.h

@@ -282,7 +282,6 @@ class Climate : public EntityBase {
    */
   void save_state_();
 
-  uint32_t hash_base() override;
   void dump_traits_(const char *tag);
 
   CallbackManager<void()> state_callback_{};

esphome/components/cover/cover.cpp

@@ -33,8 +33,6 @@ const char *cover_operation_to_str(CoverOperation op) {
 
 Cover::Cover(const std::string &name) : EntityBase(name), position{COVER_OPEN} {}
 
-uint32_t Cover::hash_base() { return 1727367479UL; }
-
 CoverCall::CoverCall(Cover *parent) : parent_(parent) {}
 CoverCall &CoverCall::set_command(const char *command) {
   if (strcasecmp(command, "OPEN") == 0) {

esphome/components/cover/cover.h

@@ -177,7 +177,6 @@ class Cover : public EntityBase {
   virtual std::string device_class();
 
   optional<CoverRestoreState> restore_state_();
-  uint32_t hash_base() override;
 
   CallbackManager<void()> state_callback_{};
   optional<std::string> device_class_override_{};

esphome/components/display/display_buffer.h

@@ -85,6 +85,12 @@ enum ImageType {
   IMAGE_TYPE_RGB565 = 4,
 };
 
+enum DisplayType {
+  DISPLAY_TYPE_BINARY = 1,
+  DISPLAY_TYPE_GRAYSCALE = 2,
+  DISPLAY_TYPE_COLOR = 3,
+};
+
 enum DisplayRotation {
   DISPLAY_ROTATION_0_DEGREES = 0,
   DISPLAY_ROTATION_90_DEGREES = 90,
@@ -361,6 +367,11 @@ class DisplayBuffer {
   virtual int get_width_internal() = 0;
   DisplayRotation get_rotation() const { return this->rotation_; }
 
+  /** Get the type of display that the buffer corresponds to. In case of dynamically configurable displays,
+   * returns the type the display is currently configured to.
+   */
+  virtual DisplayType get_display_type() = 0;
+
  protected:
   void vprintf_(int x, int y, Font *font, Color color, TextAlign align, const char *format, va_list arg);
 

esphome/components/display/display_color_utils.h

@@ -66,6 +66,9 @@ class ColorUtil {
     }
     return color_return;
   }
+  static inline Color rgb332_to_color(uint8_t rgb332_color) {
+    return to_color((uint32_t) rgb332_color, COLOR_ORDER_RGB, COLOR_BITNESS_332);
+  }
   static uint8_t color_to_332(Color color, ColorOrder color_order = ColorOrder::COLOR_ORDER_RGB) {
     uint16_t red_color, green_color, blue_color;
 
@@ -100,11 +103,57 @@ class ColorUtil {
     }
     return 0;
   }
-
   static uint32_t color_to_grayscale4(Color color) {
     uint32_t gs4 = esp_scale8(color.white, 15);
     return gs4;
   }
+  /***
+   * Converts a Color value to an 8bit index using a 24bit 888 palette.
+   * Uses euclidiean distance to calculate the linear distance between
+   * two points in an RGB cube, then iterates through the full palette
+   * returning the closest match.
+   * @param[in] color The target color.
+   * @param[in] palette The 256*3 byte RGB palette.
+   * @return The 8 bit index of the closest color (e.g. for display buffer).
+   */
+  // static uint8_t color_to_index8_palette888(Color color, uint8_t *palette) {
+  static uint8_t color_to_index8_palette888(Color color, const uint8_t *palette) {
+    uint8_t closest_index = 0;
+    uint32_t minimum_dist2 = UINT32_MAX;  // Smallest distance^2 to the target
+                                          // so far
+    // int8_t(*plt)[][3] = palette;
+    int16_t tgt_r = color.r;
+    int16_t tgt_g = color.g;
+    int16_t tgt_b = color.b;
+    uint16_t x, y, z;
+    // Loop through each row of the palette
+    for (uint16_t i = 0; i < 256; i++) {
+      // Get the pallet rgb color
+      int16_t plt_r = (int16_t) palette[i * 3 + 0];
+      int16_t plt_g = (int16_t) palette[i * 3 + 1];
+      int16_t plt_b = (int16_t) palette[i * 3 + 2];
+      // Calculate euclidian distance (linear distance in rgb cube).
+      x = (uint32_t) std::abs(tgt_r - plt_r);
+      y = (uint32_t) std::abs(tgt_g - plt_g);
+      z = (uint32_t) std::abs(tgt_b - plt_b);
+      uint32_t dist2 = x * x + y * y + z * z;
+      if (dist2 < minimum_dist2) {
+        minimum_dist2 = dist2;
+        closest_index = (uint8_t) i;
+      }
+    }
+    return closest_index;
+  }
+  /***
+   * Converts an 8bit palette index (e.g. from a display buffer) to a color.
+   * @param[in] index The index to look up.
+   * @param[in] palette The 256*3 byte RGB palette.
+   * @return The RGBW Color object looked up by the palette.
+   */
+  static Color index8_to_color_palette888(uint8_t index, const uint8_t *palette) {
+    Color color = Color(palette[index * 3 + 0], palette[index * 3 + 1], palette[index * 3 + 2], 0);
+    return color;
+  }
 };
 }  // namespace display
 }  // namespace esphome

esphome/components/esp32/preferences.cpp

@@ -156,7 +156,7 @@ class ESP32Preferences : public ESPPreferences {
       ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", to_save.key.c_str(), esp_err_to_name(err));
       return true;
     }
-    return to_save.data == stored_data.data;
+    return to_save.data != stored_data.data;
   }
 };
 

esphome/components/esp32_camera/__init__.py

@@ -1,5 +1,6 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
+from esphome import automation
 from esphome import pins
 from esphome.const import (
     CONF_FREQUENCY,
@@ -12,6 +13,7 @@ from esphome.const import (
     CONF_RESOLUTION,
     CONF_BRIGHTNESS,
     CONF_CONTRAST,
+    CONF_TRIGGER_ID,
 )
 from esphome.core import CORE
 from esphome.components.esp32 import add_idf_sdkconfig_option
@@ -23,7 +25,14 @@ AUTO_LOAD = ["psram"]
 
 esp32_camera_ns = cg.esphome_ns.namespace("esp32_camera")
 ESP32Camera = esp32_camera_ns.class_("ESP32Camera", cg.PollingComponent, cg.EntityBase)
-
+ESP32CameraStreamStartTrigger = esp32_camera_ns.class_(
+    "ESP32CameraStreamStartTrigger",
+    automation.Trigger.template(),
+)
+ESP32CameraStreamStopTrigger = esp32_camera_ns.class_(
+    "ESP32CameraStreamStopTrigger",
+    automation.Trigger.template(),
+)
 ESP32CameraFrameSize = esp32_camera_ns.enum("ESP32CameraFrameSize")
 FRAME_SIZES = {
     "160X120": ESP32CameraFrameSize.ESP32_CAMERA_SIZE_160X120,
@@ -111,6 +120,10 @@ CONF_TEST_PATTERN = "test_pattern"
 CONF_MAX_FRAMERATE = "max_framerate"
 CONF_IDLE_FRAMERATE = "idle_framerate"
 
+# stream trigger
+CONF_ON_STREAM_START = "on_stream_start"
+CONF_ON_STREAM_STOP = "on_stream_stop"
+
 camera_range_param = cv.int_range(min=-2, max=2)
 
 CONFIG_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(
@@ -178,6 +191,20 @@ CONFIG_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(
         cv.Optional(CONF_IDLE_FRAMERATE, default="0.1 fps"): cv.All(
             cv.framerate, cv.Range(min=0, max=1)
         ),
+        cv.Optional(CONF_ON_STREAM_START): automation.validate_automation(
+            {
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
+                    ESP32CameraStreamStartTrigger
+                ),
+            }
+        ),
+        cv.Optional(CONF_ON_STREAM_STOP): automation.validate_automation(
+            {
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
+                    ESP32CameraStreamStopTrigger
+                ),
+            }
+        ),
     }
 ).extend(cv.COMPONENT_SCHEMA)
 
@@ -238,3 +265,11 @@ async def to_code(config):
     if CORE.using_esp_idf:
         cg.add_library("espressif/esp32-camera", "1.0.0")
         add_idf_sdkconfig_option("CONFIG_RTCIO_SUPPORT_RTC_GPIO_DESC", True)
+
+    for conf in config.get(CONF_ON_STREAM_START, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(trigger, [], conf)
+
+    for conf in config.get(CONF_ON_STREAM_STOP, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(trigger, [], conf)

esphome/components/esp32_camera/esp32_camera.cpp

@@ -282,8 +282,20 @@ void ESP32Camera::set_idle_update_interval(uint32_t idle_update_interval) {
 void ESP32Camera::add_image_callback(std::function<void(std::shared_ptr<CameraImage>)> &&f) {
   this->new_image_callback_.add(std::move(f));
 }
-void ESP32Camera::start_stream(CameraRequester requester) { this->stream_requesters_ |= (1U << requester); }
+void ESP32Camera::add_stream_start_callback(std::function<void()> &&callback) {
-void ESP32Camera::stop_stream(CameraRequester requester) { this->stream_requesters_ &= ~(1U << requester); }
+  this->stream_start_callback_.add(std::move(callback));
+}
+void ESP32Camera::add_stream_stop_callback(std::function<void()> &&callback) {
+  this->stream_stop_callback_.add(std::move(callback));
+}
+void ESP32Camera::start_stream(CameraRequester requester) {
+  this->stream_start_callback_.call();
+  this->stream_requesters_ |= (1U << requester);
+}
+void ESP32Camera::stop_stream(CameraRequester requester) {
+  this->stream_stop_callback_.call();
+  this->stream_requesters_ &= ~(1U << requester);
+}
 void ESP32Camera::request_image(CameraRequester requester) { this->single_requesters_ |= (1U << requester); }
 void ESP32Camera::update_camera_parameters() {
   sensor_t *s = esp_camera_sensor_get();
@@ -310,7 +322,6 @@ void ESP32Camera::update_camera_parameters() {
 }
 
 /* ---------------- Internal methods ---------------- */
-uint32_t ESP32Camera::hash_base() { return 3010542557UL; }
 bool ESP32Camera::has_requested_image_() const { return this->single_requesters_ || this->stream_requesters_; }
 bool ESP32Camera::can_return_image_() const { return this->current_image_.use_count() == 1; }
 void ESP32Camera::framebuffer_task(void *pv) {

esphome/components/esp32_camera/esp32_camera.h

@@ -2,6 +2,7 @@
 
 #ifdef USE_ESP32
 
+#include "esphome/core/automation.h"
 #include "esphome/core/component.h"
 #include "esphome/core/entity_base.h"
 #include "esphome/core/helpers.h"
@@ -145,9 +146,11 @@ class ESP32Camera : public Component, public EntityBase {
   void request_image(CameraRequester requester);
   void update_camera_parameters();
 
+  void add_stream_start_callback(std::function<void()> &&callback);
+  void add_stream_stop_callback(std::function<void()> &&callback);
+
  protected:
   /* internal methods */
-  uint32_t hash_base() override;
   bool has_requested_image_() const;
   bool can_return_image_() const;
 
@@ -187,6 +190,8 @@ class ESP32Camera : public Component, public EntityBase {
   QueueHandle_t framebuffer_get_queue_;
   QueueHandle_t framebuffer_return_queue_;
   CallbackManager<void(std::shared_ptr<CameraImage>)> new_image_callback_;
+  CallbackManager<void()> stream_start_callback_{};
+  CallbackManager<void()> stream_stop_callback_{};
 
   uint32_t last_idle_request_{0};
   uint32_t last_update_{0};
@@ -195,6 +200,23 @@ class ESP32Camera : public Component, public EntityBase {
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 extern ESP32Camera *global_esp32_camera;
 
+class ESP32CameraStreamStartTrigger : public Trigger<> {
+ public:
+  explicit ESP32CameraStreamStartTrigger(ESP32Camera *parent) {
+    parent->add_stream_start_callback([this]() { this->trigger(); });
+  }
+
+ protected:
+};
+class ESP32CameraStreamStopTrigger : public Trigger<> {
+ public:
+  explicit ESP32CameraStreamStopTrigger(ESP32Camera *parent) {
+    parent->add_stream_stop_callback([this]() { this->trigger(); });
+  }
+
+ protected:
+};
+
 }  // namespace esp32_camera
 }  // namespace esphome
 

esphome/components/fan/fan.cpp

@@ -1,5 +1,4 @@
 #include "fan.h"
-#include "fan_helpers.h"
 #include "esphome/core/log.h"
 
 namespace esphome {
@@ -61,22 +60,6 @@ void FanCall::validate_() {
   }
 }
 
-// This whole method is deprecated, don't warn about usage of deprecated methods inside of it.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-FanCall &FanCall::set_speed(const char *legacy_speed) {
-  const auto supported_speed_count = this->parent_.get_traits().supported_speed_count();
-  if (strcasecmp(legacy_speed, "low") == 0) {
-    this->set_speed(fan::speed_enum_to_level(FAN_SPEED_LOW, supported_speed_count));
-  } else if (strcasecmp(legacy_speed, "medium") == 0) {
-    this->set_speed(fan::speed_enum_to_level(FAN_SPEED_MEDIUM, supported_speed_count));
-  } else if (strcasecmp(legacy_speed, "high") == 0) {
-    this->set_speed(fan::speed_enum_to_level(FAN_SPEED_HIGH, supported_speed_count));
-  }
-  return *this;
-}
-#pragma GCC diagnostic pop
-
 FanCall FanRestoreState::to_call(Fan &fan) {
   auto call = fan.make_call();
   call.set_state(this->state);
@@ -169,7 +152,6 @@ void Fan::dump_traits_(const char *tag, const char *prefix) {
   if (this->get_traits().supports_direction())
     ESP_LOGCONFIG(tag, "%s  Direction: YES", prefix);
 }
-uint32_t Fan::hash_base() { return 418001110UL; }
 
 }  // namespace fan
 }  // namespace esphome

esphome/components/fan/fan.h

@@ -16,13 +16,6 @@ namespace fan {
     (obj)->dump_traits_(TAG, prefix); \
   }
 
-/// Simple enum to represent the speed of a fan. - DEPRECATED - Will be deleted soon
-enum ESPDEPRECATED("FanSpeed is deprecated.", "2021.9") FanSpeed {
-  FAN_SPEED_LOW = 0,     ///< The fan is running on low speed.
-  FAN_SPEED_MEDIUM = 1,  ///< The fan is running on medium speed.
-  FAN_SPEED_HIGH = 2     ///< The fan is running on high/full speed.
-};
-
 /// Simple enum to represent the direction of a fan.
 enum class FanDirection { FORWARD = 0, REVERSE = 1 };
 
@@ -143,7 +136,6 @@ class Fan : public EntityBase {
   void save_state_();
 
   void dump_traits_(const char *tag, const char *prefix);
-  uint32_t hash_base() override;
 
   CallbackManager<void()> state_callback_{};
   ESPPreferenceObject rtc_;

esphome/components/fan/fan_helpers.cpp

@@ -1,23 +0,0 @@
-#include <cassert>
-#include "fan_helpers.h"
-
-namespace esphome {
-namespace fan {
-
-// This whole file is deprecated, don't warn about usage of deprecated types in here.
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-FanSpeed speed_level_to_enum(int speed_level, int supported_speed_levels) {
-  const auto speed_ratio = static_cast<float>(speed_level) / (supported_speed_levels + 1);
-  const auto legacy_level = clamp<int>(static_cast<int>(ceilf(speed_ratio * 3)), 1, 3);
-  return static_cast<FanSpeed>(legacy_level - 1);
-}
-
-int speed_enum_to_level(FanSpeed speed, int supported_speed_levels) {
-  const auto enum_level = static_cast<int>(speed) + 1;
-  const auto speed_level = roundf(enum_level / 3.0f * supported_speed_levels);
-  return static_cast<int>(speed_level);
-}
-
-}  // namespace fan
-}  // namespace esphome

esphome/components/fan/fan_helpers.h

@@ -1,20 +0,0 @@
-#pragma once
-
-#include "fan.h"
-
-namespace esphome {
-namespace fan {
-
-// Shut-up about usage of deprecated FanSpeed for a bit.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-ESPDEPRECATED("FanSpeed and speed_level_to_enum() are deprecated.", "2021.9")
-FanSpeed speed_level_to_enum(int speed_level, int supported_speed_levels);
-ESPDEPRECATED("FanSpeed and speed_enum_to_level() are deprecated.", "2021.9")
-int speed_enum_to_level(FanSpeed speed, int supported_speed_levels);
-
-#pragma GCC diagnostic pop
-
-}  // namespace fan
-}  // namespace esphome

esphome/components/hbridge/fan/hbridge_fan.cpp

@@ -1,5 +1,4 @@
 #include "hbridge_fan.h"
-#include "esphome/components/fan/fan_helpers.h"
 #include "esphome/core/log.h"
 
 namespace esphome {

esphome/components/hydreon_rgxx/hydreon_rgxx.cpp

@@ -195,7 +195,7 @@ void HydreonRGxxComponent::process_line_() {
       if (n == std::string::npos) {
         continue;
       }
-      int data = strtol(this->buffer_.substr(n + strlen(PROTOCOL_NAMES[i])).c_str(), nullptr, 10);
+      float data = strtof(this->buffer_.substr(n + strlen(PROTOCOL_NAMES[i])).c_str(), nullptr);
       this->sensors_[i]->publish_state(data);
       ESP_LOGD(TAG, "Received %s: %f", PROTOCOL_NAMES[i], this->sensors_[i]->get_raw_state());
       this->sensors_received_ |= (1 << i);

esphome/components/hydreon_rgxx/sensor.py

@@ -37,7 +37,7 @@ SUPPORTED_SENSORS = {
 PROTOCOL_NAMES = {
     CONF_MOISTURE: "R",
     CONF_ACC: "Acc",
-    CONF_R_INT: "Rint",
+    CONF_R_INT: "RInt",
     CONF_EVENT_ACC: "EventAcc",
     CONF_TOTAL_ACC: "TotalAcc",
 }

esphome/components/i2s_audio/i2s_audio_media_player.cpp

@@ -0,0 +1,140 @@
+#include "i2s_audio_media_player.h"
+
+#ifdef USE_ESP32_FRAMEWORK_ARDUINO
+
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace i2s_audio {
+
+static const char *const TAG = "audio";
+
+void I2SAudioMediaPlayer::control(const media_player::MediaPlayerCall &call) {
+  if (call.get_media_url().has_value()) {
+    if (this->audio_->isRunning())
+      this->audio_->stopSong();
+    this->high_freq_.start();
+    this->audio_->connecttohost(call.get_media_url().value().c_str());
+    this->state = media_player::MEDIA_PLAYER_STATE_PLAYING;
+  }
+  if (call.get_volume().has_value()) {
+    this->volume = call.get_volume().value();
+    this->set_volume_(volume);
+    this->unmute_();
+  }
+  if (call.get_command().has_value()) {
+    switch (call.get_command().value()) {
+      case media_player::MEDIA_PLAYER_COMMAND_PLAY:
+        if (!this->audio_->isRunning())
+          this->audio_->pauseResume();
+        this->state = media_player::MEDIA_PLAYER_STATE_PLAYING;
+        break;
+      case media_player::MEDIA_PLAYER_COMMAND_PAUSE:
+        if (this->audio_->isRunning())
+          this->audio_->pauseResume();
+        this->state = media_player::MEDIA_PLAYER_STATE_PAUSED;
+        break;
+      case media_player::MEDIA_PLAYER_COMMAND_STOP:
+        this->stop_();
+        break;
+      case media_player::MEDIA_PLAYER_COMMAND_MUTE:
+        this->mute_();
+        break;
+      case media_player::MEDIA_PLAYER_COMMAND_UNMUTE:
+        this->unmute_();
+        break;
+      case media_player::MEDIA_PLAYER_COMMAND_TOGGLE:
+        this->audio_->pauseResume();
+        if (this->audio_->isRunning()) {
+          this->state = media_player::MEDIA_PLAYER_STATE_PLAYING;
+        } else {
+          this->state = media_player::MEDIA_PLAYER_STATE_PAUSED;
+        }
+        break;
+    }
+  }
+  this->publish_state();
+}
+
+void I2SAudioMediaPlayer::mute_() {
+  if (this->mute_pin_ != nullptr) {
+    this->mute_pin_->digital_write(true);
+  } else {
+    this->set_volume_(0.0f, false);
+  }
+  this->muted_ = true;
+}
+void I2SAudioMediaPlayer::unmute_() {
+  if (this->mute_pin_ != nullptr) {
+    this->mute_pin_->digital_write(false);
+  } else {
+    this->set_volume_(this->volume, false);
+  }
+  this->muted_ = false;
+}
+void I2SAudioMediaPlayer::set_volume_(float volume, bool publish) {
+  this->audio_->setVolume(remap<uint8_t, float>(volume, 0.0f, 1.0f, 0, 21));
+  if (publish)
+    this->volume = volume;
+}
+
+void I2SAudioMediaPlayer::stop_() {
+  if (this->audio_->isRunning())
+    this->audio_->stopSong();
+  this->high_freq_.stop();
+  this->state = media_player::MEDIA_PLAYER_STATE_IDLE;
+}
+
+void I2SAudioMediaPlayer::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up Audio...");
+  if (this->internal_dac_mode_ != I2S_DAC_CHANNEL_DISABLE) {
+    this->audio_ = make_unique<Audio>(true, this->internal_dac_mode_);
+  } else {
+    this->audio_ = make_unique<Audio>(false);
+    this->audio_->setPinout(this->bclk_pin_, this->lrclk_pin_, this->dout_pin_);
+    this->audio_->forceMono(this->external_dac_channels_ == 1);
+  }
+  this->state = media_player::MEDIA_PLAYER_STATE_IDLE;
+}
+
+void I2SAudioMediaPlayer::loop() {
+  this->audio_->loop();
+  if (this->state == media_player::MEDIA_PLAYER_STATE_PLAYING && !this->audio_->isRunning()) {
+    this->stop_();
+    this->publish_state();
+  }
+}
+
+media_player::MediaPlayerTraits I2SAudioMediaPlayer::get_traits() {
+  auto traits = media_player::MediaPlayerTraits();
+  traits.set_supports_pause(true);
+  return traits;
+};
+
+void I2SAudioMediaPlayer::dump_config() {
+  ESP_LOGCONFIG(TAG, "Audio:");
+  if (this->is_failed()) {
+    ESP_LOGCONFIG(TAG, "Audio failed to initialize!");
+    return;
+  }
+  if (this->internal_dac_mode_ != I2S_DAC_CHANNEL_DISABLE) {
+    switch (this->internal_dac_mode_) {
+      case I2S_DAC_CHANNEL_LEFT_EN:
+        ESP_LOGCONFIG(TAG, "  Internal DAC mode: Left");
+        break;
+      case I2S_DAC_CHANNEL_RIGHT_EN:
+        ESP_LOGCONFIG(TAG, "  Internal DAC mode: Right");
+        break;
+      case I2S_DAC_CHANNEL_BOTH_EN:
+        ESP_LOGCONFIG(TAG, "  Internal DAC mode: Left & Right");
+        break;
+      default:
+        break;
+    }
+  }
+}
+
+}  // namespace i2s_audio
+}  // namespace esphome
+
+#endif  // USE_ESP32_FRAMEWORK_ARDUINO

esphome/components/i2s_audio/i2s_audio_media_player.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#ifdef USE_ESP32_FRAMEWORK_ARDUINO
+
+#include "esphome/components/media_player/media_player.h"
+#include "esphome/core/component.h"
+#include "esphome/core/gpio.h"
+#include "esphome/core/helpers.h"
+
+#include <Audio.h>
+
+namespace esphome {
+namespace i2s_audio {
+
+class I2SAudioMediaPlayer : public Component, public media_player::MediaPlayer {
+ public:
+  void setup() override;
+  float get_setup_priority() const override { return esphome::setup_priority::LATE; }
+
+  void loop() override;
+
+  void dump_config() override;
+
+  void set_dout_pin(uint8_t pin) { this->dout_pin_ = pin; }
+  void set_bclk_pin(uint8_t pin) { this->bclk_pin_ = pin; }
+  void set_lrclk_pin(uint8_t pin) { this->lrclk_pin_ = pin; }
+  void set_mute_pin(GPIOPin *mute_pin) { this->mute_pin_ = mute_pin; }
+  void set_internal_dac_mode(i2s_dac_mode_t mode) { this->internal_dac_mode_ = mode; }
+  void set_external_dac_channels(uint8_t channels) { this->external_dac_channels_ = channels; }
+
+  media_player::MediaPlayerTraits get_traits() override;
+
+  bool is_muted() const override { return this->muted_; }
+
+ protected:
+  void control(const media_player::MediaPlayerCall &call) override;
+
+  void mute_();
+  void unmute_();
+  void set_volume_(float volume, bool publish = true);
+  void stop_();
+
+  std::unique_ptr<Audio> audio_;
+
+  uint8_t dout_pin_{0};
+  uint8_t din_pin_{0};
+  uint8_t bclk_pin_;
+  uint8_t lrclk_pin_;
+
+  GPIOPin *mute_pin_{nullptr};
+  bool muted_{false};
+  float unmuted_volume_{0};
+
+  i2s_dac_mode_t internal_dac_mode_{I2S_DAC_CHANNEL_DISABLE};
+  uint8_t external_dac_channels_;
+
+  HighFrequencyLoopRequester high_freq_;
+};
+
+}  // namespace i2s_audio
+}  // namespace esphome
+
+#endif  // USE_ESP32_FRAMEWORK_ARDUINO

esphome/components/i2s_audio/media_player.py

@@ -0,0 +1,94 @@
+import esphome.codegen as cg
+from esphome.components import media_player
+import esphome.config_validation as cv
+
+from esphome import pins
+
+from esphome.const import CONF_ID, CONF_MODE
+from esphome.core import CORE
+
+CODEOWNERS = ["@jesserockz"]
+DEPENDENCIES = ["esp32"]
+
+i2s_audio_ns = cg.esphome_ns.namespace("i2s_audio")
+
+I2SAudioMediaPlayer = i2s_audio_ns.class_(
+    "I2SAudioMediaPlayer", cg.Component, media_player.MediaPlayer
+)
+
+i2s_dac_mode_t = cg.global_ns.enum("i2s_dac_mode_t")
+
+CONF_I2S_DOUT_PIN = "i2s_dout_pin"
+CONF_I2S_BCLK_PIN = "i2s_bclk_pin"
+CONF_I2S_LRCLK_PIN = "i2s_lrclk_pin"
+CONF_MUTE_PIN = "mute_pin"
+CONF_AUDIO_ID = "audio_id"
+CONF_DAC_TYPE = "dac_type"
+
+INTERNAL_DAC_OPTIONS = {
+    "left": i2s_dac_mode_t.I2S_DAC_CHANNEL_LEFT_EN,
+    "right": i2s_dac_mode_t.I2S_DAC_CHANNEL_RIGHT_EN,
+    "stereo": i2s_dac_mode_t.I2S_DAC_CHANNEL_BOTH_EN,
+}
+
+EXTERNAL_DAC_OPTIONS = ["mono", "stereo"]
+
+CONFIG_SCHEMA = cv.All(
+    cv.typed_schema(
+        {
+            "internal": cv.Schema(
+                {
+                    cv.GenerateID(): cv.declare_id(I2SAudioMediaPlayer),
+                    cv.Required(CONF_MODE): cv.enum(INTERNAL_DAC_OPTIONS, lower=True),
+                }
+            )
+            .extend(media_player.MEDIA_PLAYER_SCHEMA)
+            .extend(cv.COMPONENT_SCHEMA),
+            "external": cv.Schema(
+                {
+                    cv.GenerateID(): cv.declare_id(I2SAudioMediaPlayer),
+                    cv.Required(
+                        CONF_I2S_DOUT_PIN
+                    ): pins.internal_gpio_output_pin_number,
+                    cv.Required(
+                        CONF_I2S_BCLK_PIN
+                    ): pins.internal_gpio_output_pin_number,
+                    cv.Required(
+                        CONF_I2S_LRCLK_PIN
+                    ): pins.internal_gpio_output_pin_number,
+                    cv.Optional(CONF_MUTE_PIN): pins.gpio_output_pin_schema,
+                    cv.Optional(CONF_MODE, default="mono"): cv.one_of(
+                        *EXTERNAL_DAC_OPTIONS, lower=True
+                    ),
+                }
+            )
+            .extend(media_player.MEDIA_PLAYER_SCHEMA)
+            .extend(cv.COMPONENT_SCHEMA),
+        },
+        key=CONF_DAC_TYPE,
+    ),
+    cv.only_with_arduino,
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await media_player.register_media_player(var, config)
+
+    if config[CONF_DAC_TYPE] == "internal":
+        cg.add(var.set_internal_dac_mode(config[CONF_MODE]))
+    else:
+        cg.add(var.set_dout_pin(config[CONF_I2S_DOUT_PIN]))
+        cg.add(var.set_bclk_pin(config[CONF_I2S_BCLK_PIN]))
+        cg.add(var.set_lrclk_pin(config[CONF_I2S_LRCLK_PIN]))
+        if CONF_MUTE_PIN in config:
+            pin = await cg.gpio_pin_expression(config[CONF_MUTE_PIN])
+            cg.add(var.set_mute_pin(pin))
+        cg.add(var.set_external_dac_channels(2 if config[CONF_MODE] == "stereo" else 1))
+
+    if CORE.is_esp32:
+        cg.add_library("WiFiClientSecure", None)
+        cg.add_library("HTTPClient", None)
+        cg.add_library("esphome/ESP32-audioI2S", "2.1.0")
+        cg.add_build_flag("-DAUDIO_NO_SD_FS")

esphome/components/ili9341/display.py

@@ -3,13 +3,16 @@ import esphome.config_validation as cv
 from esphome import pins
 from esphome.components import display, spi
 from esphome.const import (
+    CONF_COLOR_PALETTE,
     CONF_DC_PIN,
     CONF_ID,
     CONF_LAMBDA,
     CONF_MODEL,
     CONF_PAGES,
+    CONF_RAW_DATA_ID,
     CONF_RESET_PIN,
 )
+from esphome.core import HexInt
 
 DEPENDENCIES = ["spi"]
 
@@ -21,16 +24,21 @@ ili9341 = ili9341_ns.class_(
 )
 ILI9341M5Stack = ili9341_ns.class_("ILI9341M5Stack", ili9341)
 ILI9341TFT24 = ili9341_ns.class_("ILI9341TFT24", ili9341)
+ILI9341TFT24R = ili9341_ns.class_("ILI9341TFT24R", ili9341)
 
 ILI9341Model = ili9341_ns.enum("ILI9341Model")
+ILI9341ColorMode = ili9341_ns.enum("ILI9341ColorMode")
 
 MODELS = {
     "M5STACK": ILI9341Model.M5STACK,
     "TFT_2.4": ILI9341Model.TFT_24,
+    "TFT_2.4R": ILI9341Model.TFT_24R,
 }
 
 ILI9341_MODEL = cv.enum(MODELS, upper=True, space="_")
 
+COLOR_PALETTE = cv.one_of("NONE", "GRAYSCALE")
+
 CONFIG_SCHEMA = cv.All(
     display.FULL_DISPLAY_SCHEMA.extend(
         {
@@ -39,6 +47,8 @@ CONFIG_SCHEMA = cv.All(
             cv.Required(CONF_DC_PIN): pins.gpio_output_pin_schema,
             cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
             cv.Optional(CONF_LED_PIN): pins.gpio_output_pin_schema,
+            cv.Optional(CONF_COLOR_PALETTE, default="NONE"): COLOR_PALETTE,
+            cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
         }
     )
     .extend(cv.polling_component_schema("1s"))
@@ -52,6 +62,8 @@ async def to_code(config):
         lcd_type = ILI9341M5Stack
     if config[CONF_MODEL] == "TFT_2.4":
         lcd_type = ILI9341TFT24
+    if config[CONF_MODEL] == "TFT_2.4R":
+        lcd_type = ILI9341TFT24R
     rhs = lcd_type.new()
     var = cg.Pvariable(config[CONF_ID], rhs)
 
@@ -73,3 +85,13 @@ async def to_code(config):
     if CONF_LED_PIN in config:
         led_pin = await cg.gpio_pin_expression(config[CONF_LED_PIN])
         cg.add(var.set_led_pin(led_pin))
+
+    if config[CONF_COLOR_PALETTE] == "GRAYSCALE":
+        cg.add(var.set_buffer_color_mode(ILI9341ColorMode.BITS_8_INDEXED))
+        rhs = []
+        for x in range(256):
+            rhs.extend([HexInt(x), HexInt(x), HexInt(x)])
+        prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
+        cg.add(var.set_palette(prog_arr))
+    else:
+        pass

esphome/components/ili9341/ili9341_display.cpp

@@ -112,29 +112,9 @@ void ILI9341Display::display_() {
   this->y_high_ = 0;
 }
 
-uint16_t ILI9341Display::convert_to_16bit_color_(uint8_t color_8bit) {
-  int r = color_8bit >> 5;
-  int g = (color_8bit >> 2) & 0x07;
-  int b = color_8bit & 0x03;
-  uint16_t color = (r * 0x04) << 11;
-  color |= (g * 0x09) << 5;
-  color |= (b * 0x0A);
-
-  return color;
-}
-
-uint8_t ILI9341Display::convert_to_8bit_color_(uint16_t color_16bit) {
-  // convert 16bit color to 8 bit buffer
-  uint8_t r = color_16bit >> 11;
-  uint8_t g = (color_16bit >> 5) & 0x3F;
-  uint8_t b = color_16bit & 0x1F;
-
-  return ((b / 0x0A) | ((g / 0x09) << 2) | ((r / 0x04) << 5));
-}
-
 void ILI9341Display::fill(Color color) {
-  auto color565 = display::ColorUtil::color_to_565(color);
+  uint8_t color332 = display::ColorUtil::color_to_332(color, display::ColorOrder::COLOR_ORDER_RGB);
-  memset(this->buffer_, convert_to_8bit_color_(color565), this->get_buffer_length_());
+  memset(this->buffer_, color332, this->get_buffer_length_());
   this->x_low_ = 0;
   this->y_low_ = 0;
   this->x_high_ = this->get_width_internal() - 1;
@@ -181,8 +161,13 @@ void HOT ILI9341Display::draw_absolute_pixel_internal(int x, int y, Color color)
   this->y_high_ = (y > this->y_high_) ? y : this->y_high_;
 
   uint32_t pos = (y * width_) + x;
-  auto color565 = display::ColorUtil::color_to_565(color);
+  if (this->buffer_color_mode_ == BITS_8) {
-  buffer_[pos] = convert_to_8bit_color_(color565);
+    uint8_t color332 = display::ColorUtil::color_to_332(color, display::ColorOrder::COLOR_ORDER_RGB);
+    buffer_[pos] = color332;
+  } else {  // if (this->buffer_color_mode_ == BITS_8_INDEXED) {
+    uint8_t index = display::ColorUtil::color_to_index8_palette888(color, this->palette_);
+    buffer_[pos] = index;
+  }
 }
 
 // should return the total size: return this->get_width_internal() * this->get_height_internal() * 2 // 16bit color
@@ -247,7 +232,13 @@ uint32_t ILI9341Display::buffer_to_transfer_(uint32_t pos, uint32_t sz) {
   }
 
   for (uint32_t i = 0; i < sz; ++i) {
-    uint16_t color = convert_to_16bit_color_(*src++);
+    uint16_t color;
+    if (this->buffer_color_mode_ == BITS_8) {
+      color = display::ColorUtil::color_to_565(display::ColorUtil::rgb332_to_color(*src++));
+    } else {  //  if (this->buffer_color_mode == BITS_8_INDEXED) {
+      Color col = display::ColorUtil::index8_to_color_palette888(*src++, this->palette_);
+      color = display::ColorUtil::color_to_565(col);
+    }
     *dst++ = (uint8_t)(color >> 8);
     *dst++ = (uint8_t) color;
   }
@@ -272,5 +263,13 @@ void ILI9341TFT24::initialize() {
   this->fill_internal_(Color::BLACK);
 }
 
+//   24_TFT rotated display
+void ILI9341TFT24R::initialize() {
+  this->init_lcd_(INITCMD_TFT);
+  this->width_ = 320;
+  this->height_ = 240;
+  this->fill_internal_(Color::BLACK);
+}
+
 }  // namespace ili9341
 }  // namespace esphome

esphome/components/ili9341/ili9341_display.h

@@ -12,6 +12,12 @@ namespace ili9341 {
 enum ILI9341Model {
   M5STACK = 0,
   TFT_24,
+  TFT_24R,
+};
+
+enum ILI9341ColorMode {
+  BITS_8,
+  BITS_8_INDEXED,
 };
 
 class ILI9341Display : public PollingComponent,
@@ -24,6 +30,8 @@ class ILI9341Display : public PollingComponent,
   void set_reset_pin(GPIOPin *reset) { this->reset_pin_ = reset; }
   void set_led_pin(GPIOPin *led) { this->led_pin_ = led; }
   void set_model(ILI9341Model model) { this->model_ = model; }
+  void set_palette(const uint8_t *palette) { this->palette_ = palette; }
+  void set_buffer_color_mode(ILI9341ColorMode color_mode) { this->buffer_color_mode_ = color_mode; }
 
   void command(uint8_t value);
   void data(uint8_t value);
@@ -41,6 +49,8 @@ class ILI9341Display : public PollingComponent,
     this->initialize();
   }
 
+  display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_COLOR; }
+
  protected:
   void draw_absolute_pixel_internal(int x, int y, Color color) override;
   void setup_pins_();
@@ -51,8 +61,6 @@ class ILI9341Display : public PollingComponent,
   void reset_();
   void fill_internal_(Color color);
   void display_();
-  uint16_t convert_to_16bit_color_(uint8_t color_8bit);
-  uint8_t convert_to_8bit_color_(uint16_t color_16bit);
 
   ILI9341Model model_;
   int16_t width_{320};   ///< Display width as modified by current rotation
@@ -61,6 +69,9 @@ class ILI9341Display : public PollingComponent,
   uint16_t y_low_{0};
   uint16_t x_high_{0};
   uint16_t y_high_{0};
+  const uint8_t *palette_;
+
+  ILI9341ColorMode buffer_color_mode_{BITS_8};
 
   uint32_t get_buffer_length_();
   int get_width_internal() override;
@@ -92,5 +103,12 @@ class ILI9341TFT24 : public ILI9341Display {
  public:
   void initialize() override;
 };
+
+//-----------   ILI9341_24_TFT rotated display --------------
+class ILI9341TFT24R : public ILI9341Display {
+ public:
+  void initialize() override;
+};
+
 }  // namespace ili9341
 }  // namespace esphome

esphome/components/inkplate6/inkplate.h

@@ -86,6 +86,10 @@ class Inkplate6 : public PollingComponent, public display::DisplayBuffer, public
 
   void block_partial() { this->block_partial_ = true; }
 
+  display::DisplayType get_display_type() override {
+    return get_greyscale() ? display::DisplayType::DISPLAY_TYPE_GRAYSCALE : display::DisplayType::DISPLAY_TYPE_BINARY;
+  }
+
  protected:
   void draw_absolute_pixel_internal(int x, int y, Color color) override;
   void display1b_();

esphome/components/light/light_state.cpp

@@ -145,7 +145,6 @@ void LightState::loop() {
 }
 
 float LightState::get_setup_priority() const { return setup_priority::HARDWARE - 1.0f; }
-uint32_t LightState::hash_base() { return 1114400283; }
 
 void LightState::publish_state() { this->remote_values_callback_.call(); }
 

esphome/components/light/light_state.h

@@ -150,8 +150,6 @@ class LightState : public EntityBase, public Component {
   friend LightCall;
   friend class AddressableLight;
 
-  uint32_t hash_base() override;
-
   /// Internal method to start an effect with the given index
   void start_effect_(uint32_t effect_index);
   /// Internal method to get the currently active effect

esphome/components/lock/lock.cpp

@@ -57,7 +57,6 @@ void Lock::publish_state(LockState state) {
 }
 
 void Lock::add_on_state_callback(std::function<void()> &&callback) { this->state_callback_.add(std::move(callback)); }
-uint32_t Lock::hash_base() { return 856245656UL; }
 
 void LockCall::perform() {
   ESP_LOGD(TAG, "'%s' - Setting", this->parent_->get_name().c_str());

esphome/components/lock/lock.h

@@ -167,8 +167,6 @@ class Lock : public EntityBase {
    */
   virtual void control(const LockCall &call) = 0;
 
-  uint32_t hash_base() override;
-
   CallbackManager<void()> state_callback_{};
   Deduplicator<LockState> publish_dedup_;
   ESPPreferenceObject rtc_;

esphome/components/max31865/max31865.cpp

@@ -94,6 +94,14 @@ void MAX31865Sensor::read_data_() {
   const uint16_t rtd_resistance_register = this->read_register_16_(RTD_RESISTANCE_MSB_REG);
   this->write_config_(0b11000000, 0b00000000);
 
+  // Check for bad connection
+  if (rtd_resistance_register == 0b0000000000000000 || rtd_resistance_register == 0b1111111111111111) {
+    ESP_LOGE(TAG, "SPI bus read all 0 or all 1 (0x%04X), check MAX31865 wiring & power.", rtd_resistance_register);
+    this->publish_state(NAN);
+    this->status_set_error();
+    return;
+  }
+
   // Check faults
   const uint8_t faults = this->read_register_(FAULT_STATUS_REG);
   if ((has_fault_ = faults & 0b00111100)) {

esphome/components/max31865/sensor.py

@@ -11,6 +11,9 @@ from esphome.const import (
     UNIT_CELSIUS,
 )
 
+CODEOWNERS = ["@DAVe3283"]
+DEPENDENCIES = ["spi"]
+
 max31865_ns = cg.esphome_ns.namespace("max31865")
 MAX31865Sensor = max31865_ns.class_(
     "MAX31865Sensor", sensor.Sensor, cg.PollingComponent, spi.SPIDevice

esphome/components/max7219digit/max7219digit.h

@@ -93,6 +93,8 @@ class MAX7219Component : public PollingComponent,
   uint8_t strftimedigit(const char *format, time::ESPTime time) __attribute__((format(strftime, 2, 0)));
 #endif
 
+  display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_BINARY; }
+
  protected:
   void send_byte_(uint8_t a_register, uint8_t data);
   void send_to_all_(uint8_t a_register, uint8_t data);

esphome/components/media_player/__init__.py

@@ -0,0 +1,70 @@
+from esphome import automation
+import esphome.config_validation as cv
+import esphome.codegen as cg
+
+from esphome.automation import maybe_simple_id
+from esphome.const import CONF_ID
+from esphome.core import CORE
+from esphome.coroutine import coroutine_with_priority
+from esphome.cpp_helpers import setup_entity
+
+
+CODEOWNERS = ["@jesserockz"]
+
+IS_PLATFORM_COMPONENT = True
+
+media_player_ns = cg.esphome_ns.namespace("media_player")
+
+MediaPlayer = media_player_ns.class_("MediaPlayer")
+
+PlayAction = media_player_ns.class_(
+    "PlayAction", automation.Action, cg.Parented.template(MediaPlayer)
+)
+ToggleAction = media_player_ns.class_(
+    "ToggleAction", automation.Action, cg.Parented.template(MediaPlayer)
+)
+PauseAction = media_player_ns.class_(
+    "PauseAction", automation.Action, cg.Parented.template(MediaPlayer)
+)
+StopAction = media_player_ns.class_(
+    "StopAction", automation.Action, cg.Parented.template(MediaPlayer)
+)
+
+
+async def setup_media_player_core_(var, config):
+    await setup_entity(var, config)
+
+
+async def register_media_player(var, config):
+    if not CORE.has_id(config[CONF_ID]):
+        var = cg.Pvariable(config[CONF_ID], var)
+    cg.add(cg.App.register_media_player(var))
+    await setup_media_player_core_(var, config)
+
+
+MEDIA_PLAYER_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(cv.Schema({}))
+
+
+MEDIA_PLAYER_ACTION_SCHEMA = maybe_simple_id(
+    {cv.Required(CONF_ID): cv.use_id(MediaPlayer)}
+)
+
+
+@automation.register_action("media_player.play", PlayAction, MEDIA_PLAYER_ACTION_SCHEMA)
+@automation.register_action(
+    "media_player.toggle", ToggleAction, MEDIA_PLAYER_ACTION_SCHEMA
+)
+@automation.register_action(
+    "media_player.pause", PauseAction, MEDIA_PLAYER_ACTION_SCHEMA
+)
+@automation.register_action("media_player.stop", StopAction, MEDIA_PLAYER_ACTION_SCHEMA)
+async def media_player_action(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+    return var
+
+
+@coroutine_with_priority(100.0)
+async def to_code(config):
+    cg.add_global(media_player_ns.using)
+    cg.add_define("USE_MEDIA_PLAYER")

esphome/components/media_player/automation.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "esphome/core/automation.h"
+#include "media_player.h"
+
+namespace esphome {
+
+namespace media_player {
+
+template<typename... Ts> class PlayAction : public Action<Ts...>, public Parented<MediaPlayer> {
+  void play(Ts... x) override {
+    this->parent_->make_call().set_command(MediaPlayerCommand::MEDIA_PLAYER_COMMAND_PLAY).perform();
+  }
+};
+
+template<typename... Ts> class ToggleAction : public Action<Ts...>, public Parented<MediaPlayer> {
+  void play(Ts... x) override {
+    this->parent_->make_call().set_command(MediaPlayerCommand::MEDIA_PLAYER_COMMAND_TOGGLE).perform();
+  }
+};
+
+template<typename... Ts> class PauseAction : public Action<Ts...>, public Parented<MediaPlayer> {
+  void play(Ts... x) override {
+    this->parent_->make_call().set_command(MediaPlayerCommand::MEDIA_PLAYER_COMMAND_PAUSE).perform();
+  }
+};
+
+template<typename... Ts> class StopAction : public Action<Ts...>, public Parented<MediaPlayer> {
+  void play(Ts... x) override {
+    this->parent_->make_call().set_command(MediaPlayerCommand::MEDIA_PLAYER_COMMAND_STOP).perform();
+  }
+};
+
+}  // namespace media_player
+}  // namespace esphome

esphome/components/media_player/media_player.cpp

@@ -0,0 +1,118 @@
+#include "media_player.h"
+
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace media_player {
+
+static const char *const TAG = "media_player";
+
+const char *media_player_state_to_string(MediaPlayerState state) {
+  switch (state) {
+    case MEDIA_PLAYER_STATE_IDLE:
+      return "IDLE";
+    case MEDIA_PLAYER_STATE_PLAYING:
+      return "PLAYING";
+    case MEDIA_PLAYER_STATE_PAUSED:
+      return "PAUSED";
+    case MEDIA_PLAYER_STATE_NONE:
+    default:
+      return "UNKNOWN";
+  }
+}
+
+const char *media_player_command_to_string(MediaPlayerCommand command) {
+  switch (command) {
+    case MEDIA_PLAYER_COMMAND_PLAY:
+      return "PLAY";
+    case MEDIA_PLAYER_COMMAND_PAUSE:
+      return "PAUSE";
+    case MEDIA_PLAYER_COMMAND_STOP:
+      return "STOP";
+    case MEDIA_PLAYER_COMMAND_MUTE:
+      return "MUTE";
+    case MEDIA_PLAYER_COMMAND_UNMUTE:
+      return "UNMUTE";
+    case MEDIA_PLAYER_COMMAND_TOGGLE:
+      return "TOGGLE";
+    default:
+      return "UNKNOWN";
+  }
+}
+
+void MediaPlayerCall::validate_() {
+  if (this->media_url_.has_value()) {
+    if (this->command_.has_value()) {
+      ESP_LOGW(TAG, "MediaPlayerCall: Setting both command and media_url is not needed.");
+      this->command_.reset();
+    }
+  }
+  if (this->volume_.has_value()) {
+    if (this->volume_.value() < 0.0f || this->volume_.value() > 1.0f) {
+      ESP_LOGW(TAG, "MediaPlayerCall: Volume must be between 0.0 and 1.0.");
+      this->volume_.reset();
+    }
+  }
+}
+
+void MediaPlayerCall::perform() {
+  ESP_LOGD(TAG, "'%s' - Setting", this->parent_->get_name().c_str());
+  this->validate_();
+  if (this->command_.has_value()) {
+    const char *command_s = media_player_command_to_string(this->command_.value());
+    ESP_LOGD(TAG, "  Command: %s", command_s);
+  }
+  if (this->media_url_.has_value()) {
+    ESP_LOGD(TAG, "  Media URL: %s", this->media_url_.value().c_str());
+  }
+  if (this->volume_.has_value()) {
+    ESP_LOGD(TAG, "  Volume: %.2f", this->volume_.value());
+  }
+  this->parent_->control(*this);
+}
+
+MediaPlayerCall &MediaPlayerCall::set_command(MediaPlayerCommand command) {
+  this->command_ = command;
+  return *this;
+}
+MediaPlayerCall &MediaPlayerCall::set_command(optional<MediaPlayerCommand> command) {
+  this->command_ = command;
+  return *this;
+}
+MediaPlayerCall &MediaPlayerCall::set_command(const std::string &command) {
+  if (str_equals_case_insensitive(command, "PLAY")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_PLAY);
+  } else if (str_equals_case_insensitive(command, "PAUSE")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_PAUSE);
+  } else if (str_equals_case_insensitive(command, "STOP")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_STOP);
+  } else if (str_equals_case_insensitive(command, "MUTE")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_MUTE);
+  } else if (str_equals_case_insensitive(command, "UNMUTE")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_UNMUTE);
+  } else if (str_equals_case_insensitive(command, "TOGGLE")) {
+    this->set_command(MEDIA_PLAYER_COMMAND_TOGGLE);
+  } else {
+    ESP_LOGW(TAG, "'%s' - Unrecognized command %s", this->parent_->get_name().c_str(), command.c_str());
+  }
+  return *this;
+}
+
+MediaPlayerCall &MediaPlayerCall::set_media_url(const std::string &media_url) {
+  this->media_url_ = media_url;
+  return *this;
+}
+
+MediaPlayerCall &MediaPlayerCall::set_volume(float volume) {
+  this->volume_ = volume;
+  return *this;
+}
+
+void MediaPlayer::add_on_state_callback(std::function<void()> &&callback) {
+  this->state_callback_.add(std::move(callback));
+}
+
+void MediaPlayer::publish_state() { this->state_callback_.call(); }
+
+}  // namespace media_player
+}  // namespace esphome

esphome/components/media_player/media_player.h

@@ -0,0 +1,91 @@
+#pragma once
+
+#include "esphome/core/entity_base.h"
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace media_player {
+
+enum MediaPlayerState : uint8_t {
+  MEDIA_PLAYER_STATE_NONE = 0,
+  MEDIA_PLAYER_STATE_IDLE = 1,
+  MEDIA_PLAYER_STATE_PLAYING = 2,
+  MEDIA_PLAYER_STATE_PAUSED = 3
+};
+const char *media_player_state_to_string(MediaPlayerState state);
+
+enum MediaPlayerCommand : uint8_t {
+  MEDIA_PLAYER_COMMAND_PLAY = 0,
+  MEDIA_PLAYER_COMMAND_PAUSE = 1,
+  MEDIA_PLAYER_COMMAND_STOP = 2,
+  MEDIA_PLAYER_COMMAND_MUTE = 3,
+  MEDIA_PLAYER_COMMAND_UNMUTE = 4,
+  MEDIA_PLAYER_COMMAND_TOGGLE = 5
+};
+const char *media_player_command_to_string(MediaPlayerCommand command);
+
+class MediaPlayer;
+
+class MediaPlayerTraits {
+ public:
+  MediaPlayerTraits() = default;
+
+  void set_supports_pause(bool supports_pause) { this->supports_pause_ = supports_pause; }
+
+  bool get_supports_pause() const { return this->supports_pause_; }
+
+ protected:
+  bool supports_pause_{false};
+};
+
+class MediaPlayerCall {
+ public:
+  MediaPlayerCall(MediaPlayer *parent) : parent_(parent) {}
+
+  MediaPlayerCall &set_command(MediaPlayerCommand command);
+  MediaPlayerCall &set_command(optional<MediaPlayerCommand> command);
+  MediaPlayerCall &set_command(const std::string &command);
+
+  MediaPlayerCall &set_media_url(const std::string &url);
+
+  MediaPlayerCall &set_volume(float volume);
+
+  void perform();
+
+  const optional<MediaPlayerCommand> &get_command() const { return command_; }
+  const optional<std::string> &get_media_url() const { return media_url_; }
+  const optional<float> &get_volume() const { return volume_; }
+
+ protected:
+  void validate_();
+  MediaPlayer *const parent_;
+  optional<MediaPlayerCommand> command_;
+  optional<std::string> media_url_;
+  optional<float> volume_;
+};
+
+class MediaPlayer : public EntityBase {
+ public:
+  MediaPlayerState state{MEDIA_PLAYER_STATE_NONE};
+  float volume{1.0f};
+
+  MediaPlayerCall make_call() { return MediaPlayerCall(this); }
+
+  void publish_state();
+
+  void add_on_state_callback(std::function<void()> &&callback);
+
+  virtual bool is_muted() const { return false; }
+
+  virtual MediaPlayerTraits get_traits() = 0;
+
+ protected:
+  friend MediaPlayerCall;
+
+  virtual void control(const MediaPlayerCall &call) = 0;
+
+  CallbackManager<void()> state_callback_{};
+};
+
+}  // namespace media_player
+}  // namespace esphome

esphome/components/midea/ac_automations.h

@@ -56,6 +56,11 @@ template<typename... Ts> class PowerOffAction : public MideaActionBase<Ts...> {
   void play(Ts... x) override { this->parent_->do_power_off(); }
 };
 
+template<typename... Ts> class PowerToggleAction : public MideaActionBase<Ts...> {
+ public:
+  void play(Ts... x) override { this->parent_->do_power_toggle(); }
+};
+
 }  // namespace ac
 }  // namespace midea
 }  // namespace esphome

esphome/components/midea/air_conditioner.h

@@ -39,6 +39,7 @@ class AirConditioner : public ApplianceBase<dudanov::midea::ac::AirConditioner>,
   void do_beeper_off() { this->set_beeper_feedback(false); }
   void do_power_on() { this->base_.setPowerState(true); }
   void do_power_off() { this->base_.setPowerState(false); }
+  void do_power_toggle() { this->base_.setPowerState(this->mode == ClimateMode::CLIMATE_MODE_OFF); }
   void set_supported_modes(const std::set<ClimateMode> &modes) { this->supported_modes_ = modes; }
   void set_supported_swing_modes(const std::set<ClimateSwingMode> &modes) { this->supported_swing_modes_ = modes; }
   void set_supported_presets(const std::set<ClimatePreset> &presets) { this->supported_presets_ = presets; }

esphome/components/midea/climate.py

@@ -113,7 +113,7 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_PERIOD, default="1s"): cv.time_period,
             cv.Optional(CONF_TIMEOUT, default="2s"): cv.time_period,
             cv.Optional(CONF_NUM_ATTEMPTS, default=3): cv.int_range(min=1, max=5),
-            cv.Optional(CONF_TRANSMITTER_ID): cv.use_id(
+            cv.OnlyWith(CONF_TRANSMITTER_ID, "remote_transmitter"): cv.use_id(
                 remote_transmitter.RemoteTransmitterComponent
             ),
             cv.Optional(CONF_BEEPER, default=False): cv.boolean,
@@ -163,6 +163,7 @@ BeeperOnAction = midea_ac_ns.class_("BeeperOnAction", automation.Action)
 BeeperOffAction = midea_ac_ns.class_("BeeperOffAction", automation.Action)
 PowerOnAction = midea_ac_ns.class_("PowerOnAction", automation.Action)
 PowerOffAction = midea_ac_ns.class_("PowerOffAction", automation.Action)
+PowerToggleAction = midea_ac_ns.class_("PowerToggleAction", automation.Action)
 
 MIDEA_ACTION_BASE_SCHEMA = cv.Schema(
     {
@@ -249,6 +250,16 @@ async def power_off_to_code(var, config, args):
     pass
 
 
+# Power Toggle action
+@register_action(
+    "power_toggle",
+    PowerToggleAction,
+    cv.Schema({}),
+)
+async def power_inv_to_code(var, config, args):
+    pass
+
+
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)

esphome/components/modbus/modbus.cpp

@@ -68,33 +68,54 @@ bool Modbus::parse_modbus_byte_(uint8_t byte) {
 
   uint8_t data_len = raw[2];
   uint8_t data_offset = 3;
-  // the response for write command mirrors the requests and data startes at offset 2 instead of 3 for read commands
-  if (function_code == 0x5 || function_code == 0x06 || function_code == 0xF || function_code == 0x10) {
-    data_offset = 2;
-    data_len = 4;
-  }
 
-  // Error ( msb indicates error )
+  // Per https://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf Ch 5 User-Defined function codes
-  // response format:  Byte[0] = device address, Byte[1] function code | 0x80 , Byte[2] excpetion code, Byte[3-4] crc
+  if (((function_code >= 65) && (function_code <= 72)) || ((function_code >= 100) && (function_code <= 110))) {
-  if ((function_code & 0x80) == 0x80) {
+    // Handle user-defined function, since we don't know how big this ought to be,
-    data_offset = 2;
+    // ideally we should delegate the entire length detection to whatever handler is
-    data_len = 1;
+    // installed, but wait, there is the CRC, and if we get a hit there is a good
-  }
+    // chance that this is a complete message ... admittedly there is a small chance is
+    // isn't but that is quite small given the purpose of the CRC in the first place
+    data_len = at;
+    data_offset = 1;
 
-  // Byte data_offset..data_offset+data_len-1: Data
+    uint16_t computed_crc = crc16(raw, data_offset + data_len);
-  if (at < data_offset + data_len)
+    uint16_t remote_crc = uint16_t(raw[data_offset + data_len]) | (uint16_t(raw[data_offset + data_len + 1]) << 8);
-    return true;
 
-  // Byte 3+data_len: CRC_LO (over all bytes)
+    if (computed_crc != remote_crc)
-  if (at == data_offset + data_len)
+      return true;
-    return true;
 
-  // Byte data_offset+len+1: CRC_HI (over all bytes)
+    ESP_LOGD(TAG, "Modbus user-defined function %02X found", function_code);
-  uint16_t computed_crc = crc16(raw, data_offset + data_len);
+
-  uint16_t remote_crc = uint16_t(raw[data_offset + data_len]) | (uint16_t(raw[data_offset + data_len + 1]) << 8);
+  } else {
-  if (computed_crc != remote_crc) {
+    // the response for write command mirrors the requests and data startes at offset 2 instead of 3 for read commands
-    ESP_LOGW(TAG, "Modbus CRC Check failed! %02X!=%02X", computed_crc, remote_crc);
+    if (function_code == 0x5 || function_code == 0x06 || function_code == 0xF || function_code == 0x10) {
-    return false;
+      data_offset = 2;
+      data_len = 4;
+    }
+
+    // Error ( msb indicates error )
+    // response format:  Byte[0] = device address, Byte[1] function code | 0x80 , Byte[2] excpetion code, Byte[3-4] crc
+    if ((function_code & 0x80) == 0x80) {
+      data_offset = 2;
+      data_len = 1;
+    }
+
+    // Byte data_offset..data_offset+data_len-1: Data
+    if (at < data_offset + data_len)
+      return true;
+
+    // Byte 3+data_len: CRC_LO (over all bytes)
+    if (at == data_offset + data_len)
+      return true;
+
+    // Byte data_offset+len+1: CRC_HI (over all bytes)
+    uint16_t computed_crc = crc16(raw, data_offset + data_len);
+    uint16_t remote_crc = uint16_t(raw[data_offset + data_len]) | (uint16_t(raw[data_offset + data_len + 1]) << 8);
+    if (computed_crc != remote_crc) {
+      ESP_LOGW(TAG, "Modbus CRC Check failed! %02X!=%02X", computed_crc, remote_crc);
+      return false;
+    }
   }
   std::vector<uint8_t> data(this->rx_buffer_.begin() + data_offset, this->rx_buffer_.begin() + data_offset + data_len);
   bool found = false;

esphome/components/mqtt/__init__.py

@@ -24,6 +24,8 @@ from esphome.const import (
     CONF_LOG_TOPIC,
     CONF_ON_JSON_MESSAGE,
     CONF_ON_MESSAGE,
+    CONF_ON_CONNECT,
+    CONF_ON_DISCONNECT,
     CONF_PASSWORD,
     CONF_PAYLOAD,
     CONF_PAYLOAD_AVAILABLE,
@@ -90,6 +92,10 @@ MQTTMessageTrigger = mqtt_ns.class_(
 MQTTJsonMessageTrigger = mqtt_ns.class_(
     "MQTTJsonMessageTrigger", automation.Trigger.template(cg.JsonObjectConst)
 )
+MQTTConnectTrigger = mqtt_ns.class_("MQTTConnectTrigger", automation.Trigger.template())
+MQTTDisconnectTrigger = mqtt_ns.class_(
+    "MQTTDisconnectTrigger", automation.Trigger.template()
+)
 MQTTComponent = mqtt_ns.class_("MQTTComponent", cg.Component)
 MQTTConnectedCondition = mqtt_ns.class_("MQTTConnectedCondition", Condition)
 
@@ -212,6 +218,18 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(
                 CONF_REBOOT_TIMEOUT, default="15min"
             ): cv.positive_time_period_milliseconds,
+            cv.Optional(CONF_ON_CONNECT): automation.validate_automation(
+                {
+                    cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(MQTTConnectTrigger),
+                }
+            ),
+            cv.Optional(CONF_ON_DISCONNECT): automation.validate_automation(
+                {
+                    cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
+                        MQTTDisconnectTrigger
+                    ),
+                }
+            ),
             cv.Optional(CONF_ON_MESSAGE): automation.validate_automation(
                 {
                     cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(MQTTMessageTrigger),
@@ -362,6 +380,14 @@ async def to_code(config):
         trig = cg.new_Pvariable(conf[CONF_TRIGGER_ID], conf[CONF_TOPIC], conf[CONF_QOS])
         await automation.build_automation(trig, [(cg.JsonObjectConst, "x")], conf)
 
+    for conf in config.get(CONF_ON_CONNECT, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(trigger, [], conf)
+
+    for conf in config.get(CONF_ON_DISCONNECT, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(trigger, [], conf)
+
 
 MQTT_PUBLISH_ACTION_SCHEMA = cv.Schema(
     {

esphome/components/mqtt/mqtt_client.cpp

@@ -572,6 +572,14 @@ void MQTTClientComponent::on_shutdown() {
   this->mqtt_backend_.disconnect();
 }
 
+void MQTTClientComponent::set_on_connect(mqtt_on_connect_callback_t &&callback) {
+  this->mqtt_backend_.set_on_connect(std::forward<mqtt_on_connect_callback_t>(callback));
+}
+
+void MQTTClientComponent::set_on_disconnect(mqtt_on_disconnect_callback_t &&callback) {
+  this->mqtt_backend_.set_on_disconnect(std::forward<mqtt_on_disconnect_callback_t>(callback));
+}
+
 #if ASYNC_TCP_SSL_ENABLED
 void MQTTClientComponent::add_ssl_fingerprint(const std::array<uint8_t, SHA1_SIZE> &fingerprint) {
   this->mqtt_backend_.setSecure(true);

esphome/components/mqtt/mqtt_client.h

@@ -19,6 +19,11 @@
 namespace esphome {
 namespace mqtt {
 
+/** Callback for MQTT events.
+ */
+using mqtt_on_connect_callback_t = std::function<MQTTBackend::on_connect_callback_t>;
+using mqtt_on_disconnect_callback_t = std::function<MQTTBackend::on_disconnect_callback_t>;
+
 /** Callback for MQTT subscriptions.
  *
  * First parameter is the topic, the second one is the payload.
@@ -240,6 +245,8 @@ class MQTTClientComponent : public Component {
   void set_username(const std::string &username) { this->credentials_.username = username; }
   void set_password(const std::string &password) { this->credentials_.password = password; }
   void set_client_id(const std::string &client_id) { this->credentials_.client_id = client_id; }
+  void set_on_connect(mqtt_on_connect_callback_t &&callback);
+  void set_on_disconnect(mqtt_on_disconnect_callback_t &&callback);
 
  protected:
   /// Reconnect to the MQTT broker if not already connected.
@@ -328,6 +335,20 @@ class MQTTJsonMessageTrigger : public Trigger<JsonObjectConst> {
   }
 };
 
+class MQTTConnectTrigger : public Trigger<> {
+ public:
+  explicit MQTTConnectTrigger(MQTTClientComponent *&client) {
+    client->set_on_connect([this](bool session_present) { this->trigger(); });
+  }
+};
+
+class MQTTDisconnectTrigger : public Trigger<> {
+ public:
+  explicit MQTTDisconnectTrigger(MQTTClientComponent *&client) {
+    client->set_on_disconnect([this](MQTTClientDisconnectReason reason) { this->trigger(); });
+  }
+};
+
 template<typename... Ts> class MQTTPublishAction : public Action<Ts...> {
  public:
   MQTTPublishAction(MQTTClientComponent *parent) : parent_(parent) {}

esphome/components/mqtt/mqtt_cover.cpp

@@ -51,10 +51,9 @@ void MQTTCoverComponent::setup() {
 void MQTTCoverComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "MQTT cover '%s':", this->cover_->get_name().c_str());
   auto traits = this->cover_->get_traits();
-  // no state topic for position
+  bool has_command_topic = traits.get_supports_position() || !traits.get_supports_tilt();
-  bool state_topic = !traits.get_supports_position();
+  LOG_MQTT_COMPONENT(true, has_command_topic)
-  LOG_MQTT_COMPONENT(state_topic, true)
+  if (traits.get_supports_position()) {
-  if (!state_topic) {
     ESP_LOGCONFIG(TAG, "  Position State Topic: '%s'", this->get_position_state_topic().c_str());
     ESP_LOGCONFIG(TAG, "  Position Command Topic: '%s'", this->get_position_command_topic().c_str());
   }
@@ -72,7 +71,6 @@ void MQTTCoverComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConf
     root[MQTT_OPTIMISTIC] = true;
   }
   if (traits.get_supports_position()) {
-    config.state_topic = false;
     root[MQTT_POSITION_TOPIC] = this->get_position_state_topic();
     root[MQTT_SET_POSITION_TOPIC] = this->get_position_command_topic();
   }
@@ -92,17 +90,7 @@ bool MQTTCoverComponent::send_initial_state() { return this->publish_state(); }
 bool MQTTCoverComponent::publish_state() {
   auto traits = this->cover_->get_traits();
   bool success = true;
-  if (!traits.get_supports_position()) {
+  if (traits.get_supports_position()) {
-    const char *state_s = "unknown";
-    if (this->cover_->position == COVER_OPEN) {
-      state_s = "open";
-    } else if (this->cover_->position == COVER_CLOSED) {
-      state_s = "closed";
-    }
-
-    if (!this->publish(this->get_state_topic_(), state_s))
-      success = false;
-  } else {
     std::string pos = value_accuracy_to_string(roundf(this->cover_->position * 100), 0);
     if (!this->publish(this->get_position_state_topic(), pos))
       success = false;
@@ -112,6 +100,14 @@ bool MQTTCoverComponent::publish_state() {
     if (!this->publish(this->get_tilt_state_topic(), pos))
       success = false;
   }
+  const char *state_s = this->cover_->current_operation == COVER_OPERATION_OPENING   ? "opening"
+                        : this->cover_->current_operation == COVER_OPERATION_CLOSING ? "closing"
+                        : this->cover_->position == COVER_CLOSED                     ? "closed"
+                        : this->cover_->position == COVER_OPEN                       ? "open"
+                        : traits.get_supports_position()                             ? "open"
+                                                                                     : "unknown";
+  if (!this->publish(this->get_state_topic_(), state_s))
+    success = false;
   return success;
 }
 

esphome/components/mqtt/mqtt_fan.cpp

@@ -5,7 +5,6 @@
 
 #ifdef USE_MQTT
 #ifdef USE_FAN
-#include "esphome/components/fan/fan_helpers.h"
 
 namespace esphome {
 namespace mqtt {
@@ -88,17 +87,6 @@ void MQTTFanComponent::setup() {
                     });
   }
 
-  if (this->state_->get_traits().supports_speed()) {
-    this->subscribe(this->get_speed_command_topic(), [this](const std::string &topic, const std::string &payload) {
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-      this->state_->make_call()
-          .set_speed(payload.c_str())  // NOLINT(clang-diagnostic-deprecated-declarations)
-          .perform();
-#pragma GCC diagnostic pop
-    });
-  }
-
   auto f = std::bind(&MQTTFanComponent::publish_state, this);
   this->state_->add_on_state_callback([this, f]() { this->defer("send", f); });
 }
@@ -113,8 +101,6 @@ void MQTTFanComponent::dump_config() {
   if (this->state_->get_traits().supports_speed()) {
     ESP_LOGCONFIG(TAG, "  Speed Level State Topic: '%s'", this->get_speed_level_state_topic().c_str());
     ESP_LOGCONFIG(TAG, "  Speed Level Command Topic: '%s'", this->get_speed_level_command_topic().c_str());
-    ESP_LOGCONFIG(TAG, "  Speed State Topic: '%s'", this->get_speed_state_topic().c_str());
-    ESP_LOGCONFIG(TAG, "  Speed Command Topic: '%s'", this->get_speed_command_topic().c_str());
   }
 }
 
@@ -126,10 +112,8 @@ void MQTTFanComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig
     root[MQTT_OSCILLATION_STATE_TOPIC] = this->get_oscillation_state_topic();
   }
   if (this->state_->get_traits().supports_speed()) {
-    root["speed_level_command_topic"] = this->get_speed_level_command_topic();
+    root[MQTT_PERCENTAGE_COMMAND_TOPIC] = this->get_speed_level_command_topic();
-    root["speed_level_state_topic"] = this->get_speed_level_state_topic();
+    root[MQTT_PERCENTAGE_STATE_TOPIC] = this->get_speed_level_state_topic();
-    root[MQTT_SPEED_COMMAND_TOPIC] = this->get_speed_command_topic();
-    root[MQTT_SPEED_STATE_TOPIC] = this->get_speed_state_topic();
   }
 }
 bool MQTTFanComponent::publish_state() {
@@ -148,31 +132,6 @@ bool MQTTFanComponent::publish_state() {
     bool success = this->publish(this->get_speed_level_state_topic(), payload);
     failed = failed || !success;
   }
-  if (traits.supports_speed()) {
-    const char *payload;
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-    // NOLINTNEXTLINE(clang-diagnostic-deprecated-declarations)
-    switch (fan::speed_level_to_enum(this->state_->speed, traits.supported_speed_count())) {
-      case FAN_SPEED_LOW: {  // NOLINT(clang-diagnostic-deprecated-declarations)
-        payload = "low";
-        break;
-      }
-      case FAN_SPEED_MEDIUM: {  // NOLINT(clang-diagnostic-deprecated-declarations)
-        payload = "medium";
-        break;
-      }
-      default:
-      case FAN_SPEED_HIGH: {  // NOLINT(clang-diagnostic-deprecated-declarations)
-        payload = "high";
-        break;
-      }
-    }
-#pragma GCC diagnostic pop
-    bool success = this->publish(this->get_speed_state_topic(), payload);
-    failed = failed || !success;
-  }
-
   return !failed;
 }
 

esphome/components/number/number.cpp

@@ -17,7 +17,5 @@ void Number::add_on_state_callback(std::function<void(float)> &&callback) {
   this->state_callback_.add(std::move(callback));
 }
 
-uint32_t Number::hash_base() { return 2282307003UL; }
-
 }  // namespace number
 }  // namespace esphome

esphome/components/number/number.h

@@ -52,8 +52,6 @@ class Number : public EntityBase {
    */
   virtual void control(float value) = 0;
 
-  uint32_t hash_base() override;
-
   CallbackManager<void(float)> state_callback_;
   bool has_state_{false};
 };

esphome/components/pcd8544/pcd_8544.h

@@ -52,6 +52,8 @@ class PCD8544 : public PollingComponent,
     this->initialize();
   }
 
+  display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_BINARY; }
+
  protected:
   void draw_absolute_pixel_internal(int x, int y, Color color) override;
 

esphome/components/prometheus/__init__.py

@@ -1,6 +1,9 @@
 import esphome.config_validation as cv
 import esphome.codegen as cg
-from esphome.const import CONF_ID
+from esphome.const import (
+    CONF_ID,
+    CONF_INCLUDE_INTERNAL,
+)
 from esphome.components.web_server_base import CONF_WEB_SERVER_BASE_ID
 from esphome.components import web_server_base
 
@@ -15,6 +18,7 @@ CONFIG_SCHEMA = cv.Schema(
         cv.GenerateID(CONF_WEB_SERVER_BASE_ID): cv.use_id(
             web_server_base.WebServerBase
         ),
+        cv.Optional(CONF_INCLUDE_INTERNAL, default=False): cv.boolean,
     },
     cv.only_with_arduino,
 ).extend(cv.COMPONENT_SCHEMA)
@@ -27,3 +31,5 @@ async def to_code(config):
 
     var = cg.new_Pvariable(config[CONF_ID], paren)
     await cg.register_component(var, config)
+
+    cg.add(var.set_include_internal(config[CONF_INCLUDE_INTERNAL]))

esphome/components/prometheus/prometheus_handler.cpp

@@ -61,7 +61,7 @@ void PrometheusHandler::sensor_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_sensor_failed GAUGE\n"));
 }
 void PrometheusHandler::sensor_row_(AsyncResponseStream *stream, sensor::Sensor *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   if (!std::isnan(obj->state)) {
     // We have a valid value, output this value
@@ -98,7 +98,7 @@ void PrometheusHandler::binary_sensor_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_binary_sensor_failed GAUGE\n"));
 }
 void PrometheusHandler::binary_sensor_row_(AsyncResponseStream *stream, binary_sensor::BinarySensor *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   if (obj->has_state()) {
     // We have a valid value, output this value
@@ -134,7 +134,7 @@ void PrometheusHandler::fan_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_fan_oscillation GAUGE\n"));
 }
 void PrometheusHandler::fan_row_(AsyncResponseStream *stream, fan::Fan *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   stream->print(F("esphome_fan_failed{id=\""));
   stream->print(obj->get_object_id().c_str());
@@ -179,7 +179,7 @@ void PrometheusHandler::light_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_light_effect_active GAUGE\n"));
 }
 void PrometheusHandler::light_row_(AsyncResponseStream *stream, light::LightState *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   // State
   stream->print(F("esphome_light_state{id=\""));
@@ -255,7 +255,7 @@ void PrometheusHandler::cover_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_cover_failed GAUGE\n"));
 }
 void PrometheusHandler::cover_row_(AsyncResponseStream *stream, cover::Cover *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   if (!std::isnan(obj->position)) {
     // We have a valid value, output this value
@@ -298,7 +298,7 @@ void PrometheusHandler::switch_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_switch_failed GAUGE\n"));
 }
 void PrometheusHandler::switch_row_(AsyncResponseStream *stream, switch_::Switch *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   stream->print(F("esphome_switch_failed{id=\""));
   stream->print(obj->get_object_id().c_str());
@@ -322,7 +322,7 @@ void PrometheusHandler::lock_type_(AsyncResponseStream *stream) {
   stream->print(F("#TYPE esphome_lock_failed GAUGE\n"));
 }
 void PrometheusHandler::lock_row_(AsyncResponseStream *stream, lock::Lock *obj) {
-  if (obj->is_internal())
+  if (obj->is_internal() && !this->include_internal_)
     return;
   stream->print(F("esphome_lock_failed{id=\""));
   stream->print(obj->get_object_id().c_str());

esphome/components/prometheus/prometheus_handler.h

@@ -13,6 +13,13 @@ class PrometheusHandler : public AsyncWebHandler, public Component {
  public:
   PrometheusHandler(web_server_base::WebServerBase *base) : base_(base) {}
 
+  /** Determine whether internal components should be exported as metrics.
+   * Defaults to false.
+   *
+   * @param include_internal Whether internal components should be exported.
+   */
+  void set_include_internal(bool include_internal) { include_internal_ = include_internal; }
+
   bool canHandle(AsyncWebServerRequest *request) override {
     if (request->method() == HTTP_GET) {
       if (request->url() == "/metrics")
@@ -84,6 +91,7 @@ class PrometheusHandler : public AsyncWebHandler, public Component {
 #endif
 
   web_server_base::WebServerBase *base_;
+  bool include_internal_{false};
 };
 
 }  // namespace prometheus

esphome/components/remote_base/__init__.py

@@ -728,6 +728,48 @@ async def rc5_action(var, config, args):
     cg.add(var.set_command(template_))
 
 
+# RC6
+RC6Data, RC6BinarySensor, RC6Trigger, RC6Action, RC6Dumper = declare_protocol("RC6")
+RC6_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_ADDRESS): cv.hex_uint8_t,
+        cv.Required(CONF_COMMAND): cv.hex_uint8_t,
+    }
+)
+
+
+@register_binary_sensor("rc6", RC6BinarySensor, RC6_SCHEMA)
+def rc6_binary_sensor(var, config):
+    cg.add(
+        var.set_data(
+            cg.StructInitializer(
+                RC6Data,
+                ("device", config[CONF_DEVICE]),
+                ("address", config[CONF_ADDRESS]),
+                ("command", config[CONF_COMMAND]),
+            )
+        )
+    )
+
+
+@register_trigger("rc6", RC6Trigger, RC6Data)
+def rc6_trigger(var, config):
+    pass
+
+
+@register_dumper("rc6", RC6Dumper)
+def rc6_dumper(var, config):
+    pass
+
+
+@register_action("rc6", RC6Action, RC6_SCHEMA)
+async def rc6_action(var, config, args):
+    template_ = await cg.templatable(config[CONF_ADDRESS], args, cg.uint8)
+    cg.add(var.set_address(template_))
+    template_ = await cg.templatable(config[CONF_COMMAND], args, cg.uint8)
+    cg.add(var.set_command(template_))
+
+
 # RC Switch Raw
 RC_SWITCH_TIMING_SCHEMA = cv.All([cv.uint8_t], cv.Length(min=2, max=2))
 

esphome/components/remote_base/rc6_protocol.cpp

@@ -0,0 +1,181 @@
+#include "rc6_protocol.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace remote_base {
+
+static const char *const RC6_TAG = "remote.rc6";
+
+static const uint16_t RC6_FREQ = 36000;
+static const uint16_t RC6_UNIT = 444;
+static const uint16_t RC6_HEADER_MARK = (6 * RC6_UNIT);
+static const uint16_t RC6_HEADER_SPACE = (2 * RC6_UNIT);
+static const uint16_t RC6_MODE_MASK = 0x07;
+
+void RC6Protocol::encode(RemoteTransmitData *dst, const RC6Data &data) {
+  dst->reserve(44);
+  dst->set_carrier_frequency(RC6_FREQ);
+
+  // Encode header
+  dst->item(RC6_HEADER_MARK, RC6_HEADER_SPACE);
+
+  int32_t next{0};
+
+  // Encode startbit+mode
+  uint8_t header{static_cast<uint8_t>((1 << 3) | data.mode)};
+
+  for (uint8_t mask = 0x8; mask; mask >>= 1) {
+    if (header & mask) {
+      if (next < 0) {
+        dst->space(-next);
+        next = 0;
+      }
+      if (next >= 0) {
+        next = next + RC6_UNIT;
+        dst->mark(next);
+        next = -RC6_UNIT;
+      }
+    } else {
+      if (next > 0) {
+        dst->mark(next);
+        next = 0;
+      }
+      if (next <= 0) {
+        next = next - RC6_UNIT;
+        dst->space(-next);
+        next = RC6_UNIT;
+      }
+    }
+  }
+
+  // Toggle
+  if (data.toggle) {
+    if (next < 0) {
+      dst->space(-next);
+      next = 0;
+    }
+    if (next >= 0) {
+      next = next + RC6_UNIT * 2;
+      dst->mark(next);
+      next = -RC6_UNIT * 2;
+    }
+  } else {
+    if (next > 0) {
+      dst->mark(next);
+      next = 0;
+    }
+    if (next <= 0) {
+      next = next - RC6_UNIT * 2;
+      dst->space(-next);
+      next = RC6_UNIT * 2;
+    }
+  }
+
+  // Encode data
+  uint16_t raw{static_cast<uint16_t>((data.address << 8) | data.command)};
+
+  for (uint16_t mask = 0x8000; mask; mask >>= 1) {
+    if (raw & mask) {
+      if (next < 0) {
+        dst->space(-next);
+        next = 0;
+      }
+      if (next >= 0) {
+        next = next + RC6_UNIT;
+        dst->mark(next);
+        next = -RC6_UNIT;
+      }
+    } else {
+      if (next > 0) {
+        dst->mark(next);
+        next = 0;
+      }
+      if (next <= 0) {
+        next = next - RC6_UNIT;
+        dst->space(-next);
+        next = RC6_UNIT;
+      }
+    }
+  }
+
+  if (next > 0) {
+    dst->mark(next);
+  } else {
+    dst->space(-next);
+  }
+}
+
+optional<RC6Data> RC6Protocol::decode(RemoteReceiveData src) {
+  RC6Data data{
+      .mode = 0,
+      .toggle = 0,
+      .address = 0,
+      .command = 0,
+  };
+
+  // Check if header matches
+  if (!src.expect_item(RC6_HEADER_MARK, RC6_HEADER_SPACE)) {
+    return {};
+  }
+
+  uint8_t bit{1};
+  uint8_t offset{0};
+  uint8_t header{0};
+  uint32_t buffer{0};
+
+  // Startbit + mode
+  while (offset < 4) {
+    bit = src.peek() > 0;
+    header = header + (bit << (3 - offset++));
+    src.advance();
+
+    if (src.peek_mark(RC6_UNIT) || src.peek_space(RC6_UNIT)) {
+      src.advance();
+    } else if (offset == 4) {
+      break;
+    } else if (!src.peek_mark(RC6_UNIT * 2) && !src.peek_space(RC6_UNIT * 2)) {
+      return {};
+    }
+  }
+
+  data.mode = header & RC6_MODE_MASK;
+
+  if (data.mode != 0) {
+    return {};  // I dont have a device to test other modes
+  }
+
+  // Toggle
+  data.toggle = src.peek() > 0;
+  src.advance();
+  if (src.peek_mark(RC6_UNIT * 2) || src.peek_space(RC6_UNIT * 2)) {
+    src.advance();
+  }
+
+  // Data
+  offset = 0;
+  while (offset < 16) {
+    bit = src.peek() > 0;
+    buffer = buffer + (bit << (15 - offset++));
+    src.advance();
+
+    if (offset == 16) {
+      break;
+    } else if (src.peek_mark(RC6_UNIT) || src.peek_space(RC6_UNIT)) {
+      src.advance();
+    } else if (!src.peek_mark(RC6_UNIT * 2) && !src.peek_space(RC6_UNIT * 2)) {
+      return {};
+    }
+  }
+
+  data.address = (0xFF00 & buffer) >> 8;
+  data.command = (0x00FF & buffer);
+  return data;
+}
+
+void RC6Protocol::dump(const RC6Data &data) {
+  ESP_LOGD(RC6_TAG, "Received RC6: mode=0x%X, address=0x%02X, command=0x%02X, toggle=0x%X", data.mode, data.address,
+           data.command, data.toggle);
+}
+
+}  // namespace remote_base
+}  // namespace esphome

esphome/components/remote_base/rc6_protocol.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "remote_base.h"
+
+namespace esphome {
+namespace remote_base {
+
+struct RC6Data {
+  uint8_t mode : 3;
+  uint8_t toggle : 1;
+  uint8_t address;
+  uint8_t command;
+
+  bool operator==(const RC6Data &rhs) const { return address == rhs.address && command == rhs.command; }
+};
+
+class RC6Protocol : public RemoteProtocol<RC6Data> {
+ public:
+  void encode(RemoteTransmitData *dst, const RC6Data &data) override;
+  optional<RC6Data> decode(RemoteReceiveData src) override;
+  void dump(const RC6Data &data) override;
+};
+
+DECLARE_REMOTE_PROTOCOL(RC6)
+
+template<typename... Ts> class RC6Action : public RemoteTransmitterActionBase<Ts...> {
+ public:
+  TEMPLATABLE_VALUE(uint8_t, address)
+  TEMPLATABLE_VALUE(uint8_t, command)
+
+  void encode(RemoteTransmitData *dst, Ts... x) {
+    RC6Data data{};
+    data.mode = 0;
+    data.toggle = this->toggle_;
+    data.address = this->address_.value(x...);
+    data.command = this->command_.value(x...);
+    RC6Protocol().encode(dst, data);
+    this->toggle_ = !this->toggle_;
+  }
+
+ protected:
+  uint8_t toggle_{0};
+};
+
+}  // namespace remote_base
+}  // namespace esphome

esphome/components/rotary_encoder/rotary_encoder.cpp

@@ -103,7 +103,7 @@ void IRAM_ATTR HOT RotaryEncoderSensorStore::gpio_intr(RotaryEncoderSensorStore
     rotation_dir = -1;
   }
 
-  if (rotation_dir != 0) {
+  if (rotation_dir != 0 && !arg->first_read) {
     auto *first_zero = std::find(arg->rotation_events.begin(), arg->rotation_events.end(), 0);  // find first zero
     if (first_zero == arg->rotation_events.begin()  // are we at the start (first event this loop iteration)
         || std::signbit(*std::prev(first_zero)) !=
@@ -119,6 +119,7 @@ void IRAM_ATTR HOT RotaryEncoderSensorStore::gpio_intr(RotaryEncoderSensorStore
       *std::prev(first_zero) += rotation_dir;  // store the rotation into the previous slot
     }
   }
+  arg->first_read = false;
 
   arg->state = new_state;
 }

esphome/components/rotary_encoder/rotary_encoder.h

@@ -34,6 +34,7 @@ struct RotaryEncoderSensorStore {
   int32_t max_value{INT32_MAX};
   int32_t last_read{0};
   uint8_t state{0};
+  bool first_read{true};
 
   std::array<int8_t, 8> rotation_events{};
   bool rotation_events_overflow{false};

esphome/components/scd4x/automation.h

@@ -11,7 +11,7 @@ template<typename... Ts> class PerformForcedCalibrationAction : public Action<Ts
  public:
   void play(Ts... x) override {
     if (this->value_.has_value()) {
-      this->parent_->perform_forced_calibration(value_.value());
+      this->parent_->perform_forced_calibration(this->value_.value(x...));
     }
   }
 

esphome/components/sdp3x/sdp3x.cpp

@@ -40,7 +40,7 @@ void SDP3XComponent::setup() {
     }
 
     uint16_t data[6];
-    if (this->read_data(data, 6) != i2c::ERROR_OK) {
+    if (!this->read_data(data, 6)) {
       ESP_LOGE(TAG, "Read ID SDP3X failed!");
       this->mark_failed();
       return;
@@ -78,8 +78,7 @@ void SDP3XComponent::setup() {
       }
     }
 
-    if (this->write_command(measurement_mode_ == DP_AVG ? SDP3X_START_DP_AVG : SDP3X_START_MASS_FLOW_AVG) !=
+    if (!this->write_command(measurement_mode_ == DP_AVG ? SDP3X_START_DP_AVG : SDP3X_START_MASS_FLOW_AVG)) {
-        i2c::ERROR_OK) {
       ESP_LOGE(TAG, "Start Measurements SDP3X failed!");
       this->mark_failed();
       return;
@@ -98,7 +97,7 @@ void SDP3XComponent::dump_config() {
 
 void SDP3XComponent::read_pressure_() {
   uint16_t data[3];
-  if (this->read_data(data, 3) != i2c::ERROR_OK) {
+  if (!this->read_data(data, 3)) {
     ESP_LOGW(TAG, "Couldn't read SDP3X data!");
     this->status_set_warning();
     return;

esphome/components/select/select.cpp

@@ -58,7 +58,5 @@ optional<std::string> Select::at(size_t index) const {
   }
 }
 
-uint32_t Select::hash_base() { return 2812997003UL; }
-
 }  // namespace select
 }  // namespace esphome

esphome/components/select/select.h

@@ -65,8 +65,6 @@ class Select : public EntityBase {
    */
   virtual void control(const std::string &value) = 0;
 
-  uint32_t hash_base() override;
-
   CallbackManager<void(std::string, size_t)> state_callback_;
   bool has_state_{false};
 };

esphome/components/sensor/sensor.cpp

@@ -126,7 +126,6 @@ void Sensor::internal_send_state_to_frontend(float state) {
   this->callback_.call(state);
 }
 bool Sensor::has_state() const { return this->has_state_; }
-uint32_t Sensor::hash_base() { return 2455723294UL; }
 
 }  // namespace sensor
 }  // namespace esphome

esphome/components/sensor/sensor.h

@@ -174,8 +174,6 @@ class Sensor : public EntityBase {
    */
   virtual StateClass state_class();  // NOLINT
 
-  uint32_t hash_base() override;
-
   CallbackManager<void(float)> raw_callback_;  ///< Storage for raw state callbacks.
   CallbackManager<void(float)> callback_;      ///< Storage for filtered state callbacks.
 

esphome/components/sgp40/sensirion_voc_algorithm.cpp

@@ -1,628 +0,0 @@
-
-#include "sensirion_voc_algorithm.h"
-
-namespace esphome {
-namespace sgp40 {
-
-/* The VOC code were originally created by
- *  https://github.com/Sensirion/embedded-sgp
- * The fixed point arithmetic parts of this code were originally created by
- * https://github.com/PetteriAimonen/libfixmath
- */
-
-/*!< the maximum value of fix16_t */
-#define FIX16_MAXIMUM 0x7FFFFFFF
-/*!< the minimum value of fix16_t */
-static const uint32_t FIX16_MINIMUM = 0x80000000;
-/*!< the value used to indicate overflows when FIXMATH_NO_OVERFLOW is not
- * specified */
-static const uint32_t FIX16_OVERFLOW = 0x80000000;
-/*!< fix16_t value of 1 */
-const uint32_t FIX16_ONE = 0x00010000;
-
-inline fix16_t fix16_from_int(int32_t a) { return a * FIX16_ONE; }
-
-inline int32_t fix16_cast_to_int(fix16_t a) { return (a >> 16); }
-
-/*! Multiplies the two given fix16_t's and returns the result. */
-static fix16_t fix16_mul(fix16_t in_arg0, fix16_t in_arg1);
-
-/*! Divides the first given fix16_t by the second and returns the result. */
-static fix16_t fix16_div(fix16_t a, fix16_t b);
-
-/*! Returns the square root of the given fix16_t. */
-static fix16_t fix16_sqrt(fix16_t in_value);
-
-/*! Returns the exponent (e^) of the given fix16_t. */
-static fix16_t fix16_exp(fix16_t in_value);
-
-static fix16_t fix16_mul(fix16_t in_arg0, fix16_t in_arg1) {
-  // Each argument is divided to 16-bit parts.
-  //                    AB
-  //            *     CD
-  // -----------
-  //                    BD    16 * 16 -> 32 bit products
-  //                 CB
-  //                 AD
-  //                AC
-  //             |----| 64 bit product
-  int32_t a = (in_arg0 >> 16), c = (in_arg1 >> 16);
-  uint32_t b = (in_arg0 & 0xFFFF), d = (in_arg1 & 0xFFFF);
-
-  int32_t ac = a * c;
-  int32_t ad_cb = a * d + c * b;
-  uint32_t bd = b * d;
-
-  int32_t product_hi = ac + (ad_cb >> 16);  // NOLINT
-
-  // Handle carry from lower 32 bits to upper part of result.
-  uint32_t ad_cb_temp = ad_cb << 16;  // NOLINT
-  uint32_t product_lo = bd + ad_cb_temp;
-  if (product_lo < bd)
-    product_hi++;
-
-#ifndef FIXMATH_NO_OVERFLOW
-  // The upper 17 bits should all be the same (the sign).
-  if (product_hi >> 31 != product_hi >> 15)
-    return FIX16_OVERFLOW;
-#endif
-
-#ifdef FIXMATH_NO_ROUNDING
-  return (product_hi << 16) | (product_lo >> 16);
-#else
-  // Subtracting 0x8000 (= 0.5) and then using signed right shift
-  // achieves proper rounding to result-1, except in the corner
-  // case of negative numbers and lowest word = 0x8000.
-  // To handle that, we also have to subtract 1 for negative numbers.
-  uint32_t product_lo_tmp = product_lo;
-  product_lo -= 0x8000;
-  product_lo -= (uint32_t) product_hi >> 31;
-  if (product_lo > product_lo_tmp)
-    product_hi--;
-
-  // Discard the lowest 16 bits. Note that this is not exactly the same
-  // as dividing by 0x10000. For example if product = -1, result will
-  // also be -1 and not 0. This is compensated by adding +1 to the result
-  // and compensating this in turn in the rounding above.
-  fix16_t result = (product_hi << 16) | (product_lo >> 16);  // NOLINT
-  result += 1;
-  return result;
-#endif
-}
-
-static fix16_t fix16_div(fix16_t a, fix16_t b) {
-  // This uses the basic binary restoring division algorithm.
-  // It appears to be faster to do the whole division manually than
-  // trying to compose a 64-bit divide out of 32-bit divisions on
-  // platforms without hardware divide.
-
-  if (b == 0)
-    return FIX16_MINIMUM;
-
-  uint32_t remainder = (a >= 0) ? a : (-a);
-  uint32_t divider = (b >= 0) ? b : (-b);
-
-  uint32_t quotient = 0;
-  uint32_t bit = 0x10000;
-
-  /* The algorithm requires D >= R */
-  while (divider < remainder) {
-    divider <<= 1;
-    bit <<= 1;
-  }
-
-#ifndef FIXMATH_NO_OVERFLOW
-  if (!bit)
-    return FIX16_OVERFLOW;
-#endif
-
-  if (divider & 0x80000000) {
-    // Perform one step manually to avoid overflows later.
-    // We know that divider's bottom bit is 0 here.
-    if (remainder >= divider) {
-      quotient |= bit;
-      remainder -= divider;
-    }
-    divider >>= 1;
-    bit >>= 1;
-  }
-
-  /* Main division loop */
-  while (bit && remainder) {
-    if (remainder >= divider) {
-      quotient |= bit;
-      remainder -= divider;
-    }
-
-    remainder <<= 1;
-    bit >>= 1;
-  }
-
-#ifndef FIXMATH_NO_ROUNDING
-  if (remainder >= divider) {
-    quotient++;
-  }
-#endif
-
-  fix16_t result = quotient;
-
-  /* Figure out the sign of result */
-  if ((a ^ b) & 0x80000000) {
-#ifndef FIXMATH_NO_OVERFLOW
-    if (result == FIX16_MINIMUM)  // NOLINT(clang-diagnostic-sign-compare)
-      return FIX16_OVERFLOW;
-#endif
-
-    result = -result;
-  }
-
-  return result;
-}
-
-static fix16_t fix16_sqrt(fix16_t in_value) {
-  // It is assumed that x is not negative
-
-  uint32_t num = in_value;
-  uint32_t result = 0;
-  uint32_t bit;
-  uint8_t n;
-
-  bit = (uint32_t) 1 << 30;
-  while (bit > num)
-    bit >>= 2;
-
-  // The main part is executed twice, in order to avoid
-  // using 64 bit values in computations.
-  for (n = 0; n < 2; n++) {
-    // First we get the top 24 bits of the answer.
-    while (bit) {
-      if (num >= result + bit) {
-        num -= result + bit;
-        result = (result >> 1) + bit;
-      } else {
-        result = (result >> 1);
-      }
-      bit >>= 2;
-    }
-
-    if (n == 0) {
-      // Then process it again to get the lowest 8 bits.
-      if (num > 65535) {
-        // The remainder 'num' is too large to be shifted left
-        // by 16, so we have to add 1 to result manually and
-        // adjust 'num' accordingly.
-        // num = a - (result + 0.5)^2
-        //     = num + result^2 - (result + 0.5)^2
-        //     = num - result - 0.5
-        num -= result;
-        num = (num << 16) - 0x8000;
-        result = (result << 16) + 0x8000;
-      } else {
-        num <<= 16;
-        result <<= 16;
-      }
-
-      bit = 1 << 14;
-    }
-  }
-
-#ifndef FIXMATH_NO_ROUNDING
-  // Finally, if next bit would have been 1, round the result upwards.
-  if (num > result) {
-    result++;
-  }
-#endif
-
-  return (fix16_t) result;
-}
-
-static fix16_t fix16_exp(fix16_t in_value) {
-  // Function to approximate exp(); optimized more for code size than speed
-
-  // exp(x) for x = +/- {1, 1/8, 1/64, 1/512}
-  fix16_t x = in_value;
-  static const uint8_t NUM_EXP_VALUES = 4;
-  static const fix16_t EXP_POS_VALUES[4] = {F16(2.7182818), F16(1.1331485), F16(1.0157477), F16(1.0019550)};
-  static const fix16_t EXP_NEG_VALUES[4] = {F16(0.3678794), F16(0.8824969), F16(0.9844964), F16(0.9980488)};
-  const fix16_t *exp_values;
-
-  fix16_t res, arg;
-  uint16_t i;
-
-  if (x >= F16(10.3972))
-    return FIX16_MAXIMUM;
-  if (x <= F16(-11.7835))
-    return 0;
-
-  if (x < 0) {
-    x = -x;
-    exp_values = EXP_NEG_VALUES;
-  } else {
-    exp_values = EXP_POS_VALUES;
-  }
-
-  res = FIX16_ONE;
-  arg = FIX16_ONE;
-  for (i = 0; i < NUM_EXP_VALUES; i++) {
-    while (x >= arg) {
-      res = fix16_mul(res, exp_values[i]);
-      x -= arg;
-    }
-    arg >>= 3;
-  }
-  return res;
-}
-
-static void voc_algorithm_init_instances(VocAlgorithmParams *params);
-static void voc_algorithm_mean_variance_estimator_init(VocAlgorithmParams *params);
-static void voc_algorithm_mean_variance_estimator_init_instances(VocAlgorithmParams *params);
-static void voc_algorithm_mean_variance_estimator_set_parameters(VocAlgorithmParams *params, fix16_t std_initial,
-                                                                 fix16_t tau_mean_variance_hours,
-                                                                 fix16_t gating_max_duration_minutes);
-static void voc_algorithm_mean_variance_estimator_set_states(VocAlgorithmParams *params, fix16_t mean, fix16_t std,
-                                                             fix16_t uptime_gamma);
-static fix16_t voc_algorithm_mean_variance_estimator_get_std(VocAlgorithmParams *params);
-static fix16_t voc_algorithm_mean_variance_estimator_get_mean(VocAlgorithmParams *params);
-static void voc_algorithm_mean_variance_estimator_calculate_gamma(VocAlgorithmParams *params,
-                                                                  fix16_t voc_index_from_prior);
-static void voc_algorithm_mean_variance_estimator_process(VocAlgorithmParams *params, fix16_t sraw,
-                                                          fix16_t voc_index_from_prior);
-static void voc_algorithm_mean_variance_estimator_sigmoid_init(VocAlgorithmParams *params);
-static void voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(VocAlgorithmParams *params, fix16_t l,
-                                                                         fix16_t x0, fix16_t k);
-static fix16_t voc_algorithm_mean_variance_estimator_sigmoid_process(VocAlgorithmParams *params, fix16_t sample);
-static void voc_algorithm_mox_model_init(VocAlgorithmParams *params);
-static void voc_algorithm_mox_model_set_parameters(VocAlgorithmParams *params, fix16_t sraw_std, fix16_t sraw_mean);
-static fix16_t voc_algorithm_mox_model_process(VocAlgorithmParams *params, fix16_t sraw);
-static void voc_algorithm_sigmoid_scaled_init(VocAlgorithmParams *params);
-static void voc_algorithm_sigmoid_scaled_set_parameters(VocAlgorithmParams *params, fix16_t offset);
-static fix16_t voc_algorithm_sigmoid_scaled_process(VocAlgorithmParams *params, fix16_t sample);
-static void voc_algorithm_adaptive_lowpass_init(VocAlgorithmParams *params);
-static void voc_algorithm_adaptive_lowpass_set_parameters(VocAlgorithmParams *params);
-static fix16_t voc_algorithm_adaptive_lowpass_process(VocAlgorithmParams *params, fix16_t sample);
-
-void voc_algorithm_init(VocAlgorithmParams *params) {
-  params->mVoc_Index_Offset = F16(VOC_ALGORITHM_VOC_INDEX_OFFSET_DEFAULT);
-  params->mTau_Mean_Variance_Hours = F16(VOC_ALGORITHM_TAU_MEAN_VARIANCE_HOURS);
-  params->mGating_Max_Duration_Minutes = F16(VOC_ALGORITHM_GATING_MAX_DURATION_MINUTES);
-  params->mSraw_Std_Initial = F16(VOC_ALGORITHM_SRAW_STD_INITIAL);
-  params->mUptime = F16(0.);
-  params->mSraw = F16(0.);
-  params->mVoc_Index = 0;
-  voc_algorithm_init_instances(params);
-}
-
-static void voc_algorithm_init_instances(VocAlgorithmParams *params) {
-  voc_algorithm_mean_variance_estimator_init(params);
-  voc_algorithm_mean_variance_estimator_set_parameters(
-      params, params->mSraw_Std_Initial, params->mTau_Mean_Variance_Hours, params->mGating_Max_Duration_Minutes);
-  voc_algorithm_mox_model_init(params);
-  voc_algorithm_mox_model_set_parameters(params, voc_algorithm_mean_variance_estimator_get_std(params),
-                                         voc_algorithm_mean_variance_estimator_get_mean(params));
-  voc_algorithm_sigmoid_scaled_init(params);
-  voc_algorithm_sigmoid_scaled_set_parameters(params, params->mVoc_Index_Offset);
-  voc_algorithm_adaptive_lowpass_init(params);
-  voc_algorithm_adaptive_lowpass_set_parameters(params);
-}
-
-void voc_algorithm_get_states(VocAlgorithmParams *params, int32_t *state0, int32_t *state1) {
-  *state0 = voc_algorithm_mean_variance_estimator_get_mean(params);
-  *state1 = voc_algorithm_mean_variance_estimator_get_std(params);
-}
-
-void voc_algorithm_set_states(VocAlgorithmParams *params, int32_t state0, int32_t state1) {
-  voc_algorithm_mean_variance_estimator_set_states(params, state0, state1, F16(VOC_ALGORITHM_PERSISTENCE_UPTIME_GAMMA));
-  params->mSraw = state0;
-}
-
-void voc_algorithm_set_tuning_parameters(VocAlgorithmParams *params, int32_t voc_index_offset,
-                                         int32_t learning_time_hours, int32_t gating_max_duration_minutes,
-                                         int32_t std_initial) {
-  params->mVoc_Index_Offset = (fix16_from_int(voc_index_offset));
-  params->mTau_Mean_Variance_Hours = (fix16_from_int(learning_time_hours));
-  params->mGating_Max_Duration_Minutes = (fix16_from_int(gating_max_duration_minutes));
-  params->mSraw_Std_Initial = (fix16_from_int(std_initial));
-  voc_algorithm_init_instances(params);
-}
-
-void voc_algorithm_process(VocAlgorithmParams *params, int32_t sraw, int32_t *voc_index) {
-  if ((params->mUptime <= F16(VOC_ALGORITHM_INITIAL_BLACKOUT))) {
-    params->mUptime = (params->mUptime + F16(VOC_ALGORITHM_SAMPLING_INTERVAL));
-  } else {
-    if (((sraw > 0) && (sraw < 65000))) {
-      if ((sraw < 20001)) {
-        sraw = 20001;
-      } else if ((sraw > 52767)) {
-        sraw = 52767;
-      }
-      params->mSraw = (fix16_from_int((sraw - 20000)));
-    }
-    params->mVoc_Index = voc_algorithm_mox_model_process(params, params->mSraw);
-    params->mVoc_Index = voc_algorithm_sigmoid_scaled_process(params, params->mVoc_Index);
-    params->mVoc_Index = voc_algorithm_adaptive_lowpass_process(params, params->mVoc_Index);
-    if ((params->mVoc_Index < F16(0.5))) {
-      params->mVoc_Index = F16(0.5);
-    }
-    if ((params->mSraw > F16(0.))) {
-      voc_algorithm_mean_variance_estimator_process(params, params->mSraw, params->mVoc_Index);
-      voc_algorithm_mox_model_set_parameters(params, voc_algorithm_mean_variance_estimator_get_std(params),
-                                             voc_algorithm_mean_variance_estimator_get_mean(params));
-    }
-  }
-  *voc_index = (fix16_cast_to_int((params->mVoc_Index + F16(0.5))));
-}
-
-static void voc_algorithm_mean_variance_estimator_init(VocAlgorithmParams *params) {
-  voc_algorithm_mean_variance_estimator_set_parameters(params, F16(0.), F16(0.), F16(0.));
-  voc_algorithm_mean_variance_estimator_init_instances(params);
-}
-
-static void voc_algorithm_mean_variance_estimator_init_instances(VocAlgorithmParams *params) {
-  voc_algorithm_mean_variance_estimator_sigmoid_init(params);
-}
-
-static void voc_algorithm_mean_variance_estimator_set_parameters(VocAlgorithmParams *params, fix16_t std_initial,
-                                                                 fix16_t tau_mean_variance_hours,
-                                                                 fix16_t gating_max_duration_minutes) {
-  params->m_Mean_Variance_Estimator_Gating_Max_Duration_Minutes = gating_max_duration_minutes;
-  params->m_Mean_Variance_Estimator_Initialized = false;
-  params->m_Mean_Variance_Estimator_Mean = F16(0.);
-  params->m_Mean_Variance_Estimator_Sraw_Offset = F16(0.);
-  params->m_Mean_Variance_Estimator_Std = std_initial;
-  params->m_Mean_Variance_Estimator_Gamma =
-      (fix16_div(F16((VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING * (VOC_ALGORITHM_SAMPLING_INTERVAL / 3600.))),
-                 (tau_mean_variance_hours + F16((VOC_ALGORITHM_SAMPLING_INTERVAL / 3600.)))));
-  params->m_Mean_Variance_Estimator_Gamma_Initial_Mean =
-      F16(((VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING * VOC_ALGORITHM_SAMPLING_INTERVAL) /
-           (VOC_ALGORITHM_TAU_INITIAL_MEAN + VOC_ALGORITHM_SAMPLING_INTERVAL)));
-  params->m_Mean_Variance_Estimator_Gamma_Initial_Variance =
-      F16(((VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING * VOC_ALGORITHM_SAMPLING_INTERVAL) /
-           (VOC_ALGORITHM_TAU_INITIAL_VARIANCE + VOC_ALGORITHM_SAMPLING_INTERVAL)));
-  params->m_Mean_Variance_Estimator_Gamma_Mean = F16(0.);
-  params->m_Mean_Variance_Estimator_Gamma_Variance = F16(0.);
-  params->m_Mean_Variance_Estimator_Uptime_Gamma = F16(0.);
-  params->m_Mean_Variance_Estimator_Uptime_Gating = F16(0.);
-  params->m_Mean_Variance_Estimator_Gating_Duration_Minutes = F16(0.);
-}
-
-static void voc_algorithm_mean_variance_estimator_set_states(VocAlgorithmParams *params, fix16_t mean, fix16_t std,
-                                                             fix16_t uptime_gamma) {
-  params->m_Mean_Variance_Estimator_Mean = mean;
-  params->m_Mean_Variance_Estimator_Std = std;
-  params->m_Mean_Variance_Estimator_Uptime_Gamma = uptime_gamma;
-  params->m_Mean_Variance_Estimator_Initialized = true;
-}
-
-static fix16_t voc_algorithm_mean_variance_estimator_get_std(VocAlgorithmParams *params) {
-  return params->m_Mean_Variance_Estimator_Std;
-}
-
-static fix16_t voc_algorithm_mean_variance_estimator_get_mean(VocAlgorithmParams *params) {
-  return (params->m_Mean_Variance_Estimator_Mean + params->m_Mean_Variance_Estimator_Sraw_Offset);
-}
-
-static void voc_algorithm_mean_variance_estimator_calculate_gamma(VocAlgorithmParams *params,
-                                                                  fix16_t voc_index_from_prior) {
-  fix16_t uptime_limit;
-  fix16_t sigmoid_gamma_mean;
-  fix16_t gamma_mean;
-  fix16_t gating_threshold_mean;
-  fix16_t sigmoid_gating_mean;
-  fix16_t sigmoid_gamma_variance;
-  fix16_t gamma_variance;
-  fix16_t gating_threshold_variance;
-  fix16_t sigmoid_gating_variance;
-
-  uptime_limit = F16((VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_FI_X16_MAX - VOC_ALGORITHM_SAMPLING_INTERVAL));
-  if ((params->m_Mean_Variance_Estimator_Uptime_Gamma < uptime_limit)) {
-    params->m_Mean_Variance_Estimator_Uptime_Gamma =
-        (params->m_Mean_Variance_Estimator_Uptime_Gamma + F16(VOC_ALGORITHM_SAMPLING_INTERVAL));
-  }
-  if ((params->m_Mean_Variance_Estimator_Uptime_Gating < uptime_limit)) {
-    params->m_Mean_Variance_Estimator_Uptime_Gating =
-        (params->m_Mean_Variance_Estimator_Uptime_Gating + F16(VOC_ALGORITHM_SAMPLING_INTERVAL));
-  }
-  voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(params, F16(1.), F16(VOC_ALGORITHM_INIT_DURATION_MEAN),
-                                                               F16(VOC_ALGORITHM_INIT_TRANSITION_MEAN));
-  sigmoid_gamma_mean =
-      voc_algorithm_mean_variance_estimator_sigmoid_process(params, params->m_Mean_Variance_Estimator_Uptime_Gamma);
-  gamma_mean =
-      (params->m_Mean_Variance_Estimator_Gamma +
-       (fix16_mul((params->m_Mean_Variance_Estimator_Gamma_Initial_Mean - params->m_Mean_Variance_Estimator_Gamma),
-                  sigmoid_gamma_mean)));
-  gating_threshold_mean = (F16(VOC_ALGORITHM_GATING_THRESHOLD) +
-                           (fix16_mul(F16((VOC_ALGORITHM_GATING_THRESHOLD_INITIAL - VOC_ALGORITHM_GATING_THRESHOLD)),
-                                      voc_algorithm_mean_variance_estimator_sigmoid_process(
-                                          params, params->m_Mean_Variance_Estimator_Uptime_Gating))));
-  voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(params, F16(1.), gating_threshold_mean,
-                                                               F16(VOC_ALGORITHM_GATING_THRESHOLD_TRANSITION));
-  sigmoid_gating_mean = voc_algorithm_mean_variance_estimator_sigmoid_process(params, voc_index_from_prior);
-  params->m_Mean_Variance_Estimator_Gamma_Mean = (fix16_mul(sigmoid_gating_mean, gamma_mean));
-  voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(
-      params, F16(1.), F16(VOC_ALGORITHM_INIT_DURATION_VARIANCE), F16(VOC_ALGORITHM_INIT_TRANSITION_VARIANCE));
-  sigmoid_gamma_variance =
-      voc_algorithm_mean_variance_estimator_sigmoid_process(params, params->m_Mean_Variance_Estimator_Uptime_Gamma);
-  gamma_variance =
-      (params->m_Mean_Variance_Estimator_Gamma +
-       (fix16_mul((params->m_Mean_Variance_Estimator_Gamma_Initial_Variance - params->m_Mean_Variance_Estimator_Gamma),
-                  (sigmoid_gamma_variance - sigmoid_gamma_mean))));
-  gating_threshold_variance =
-      (F16(VOC_ALGORITHM_GATING_THRESHOLD) +
-       (fix16_mul(F16((VOC_ALGORITHM_GATING_THRESHOLD_INITIAL - VOC_ALGORITHM_GATING_THRESHOLD)),
-                  voc_algorithm_mean_variance_estimator_sigmoid_process(
-                      params, params->m_Mean_Variance_Estimator_Uptime_Gating))));
-  voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(params, F16(1.), gating_threshold_variance,
-                                                               F16(VOC_ALGORITHM_GATING_THRESHOLD_TRANSITION));
-  sigmoid_gating_variance = voc_algorithm_mean_variance_estimator_sigmoid_process(params, voc_index_from_prior);
-  params->m_Mean_Variance_Estimator_Gamma_Variance = (fix16_mul(sigmoid_gating_variance, gamma_variance));
-  params->m_Mean_Variance_Estimator_Gating_Duration_Minutes =
-      (params->m_Mean_Variance_Estimator_Gating_Duration_Minutes +
-       (fix16_mul(F16((VOC_ALGORITHM_SAMPLING_INTERVAL / 60.)),
-                  ((fix16_mul((F16(1.) - sigmoid_gating_mean), F16((1. + VOC_ALGORITHM_GATING_MAX_RATIO)))) -
-                   F16(VOC_ALGORITHM_GATING_MAX_RATIO)))));
-  if ((params->m_Mean_Variance_Estimator_Gating_Duration_Minutes < F16(0.))) {
-    params->m_Mean_Variance_Estimator_Gating_Duration_Minutes = F16(0.);
-  }
-  if ((params->m_Mean_Variance_Estimator_Gating_Duration_Minutes >
-       params->m_Mean_Variance_Estimator_Gating_Max_Duration_Minutes)) {
-    params->m_Mean_Variance_Estimator_Uptime_Gating = F16(0.);
-  }
-}
-
-static void voc_algorithm_mean_variance_estimator_process(VocAlgorithmParams *params, fix16_t sraw,
-                                                          fix16_t voc_index_from_prior) {
-  fix16_t delta_sgp;
-  fix16_t c;
-  fix16_t additional_scaling;
-
-  if ((!params->m_Mean_Variance_Estimator_Initialized)) {
-    params->m_Mean_Variance_Estimator_Initialized = true;
-    params->m_Mean_Variance_Estimator_Sraw_Offset = sraw;
-    params->m_Mean_Variance_Estimator_Mean = F16(0.);
-  } else {
-    if (((params->m_Mean_Variance_Estimator_Mean >= F16(100.)) ||
-         (params->m_Mean_Variance_Estimator_Mean <= F16(-100.)))) {
-      params->m_Mean_Variance_Estimator_Sraw_Offset =
-          (params->m_Mean_Variance_Estimator_Sraw_Offset + params->m_Mean_Variance_Estimator_Mean);
-      params->m_Mean_Variance_Estimator_Mean = F16(0.);
-    }
-    sraw = (sraw - params->m_Mean_Variance_Estimator_Sraw_Offset);
-    voc_algorithm_mean_variance_estimator_calculate_gamma(params, voc_index_from_prior);
-    delta_sgp = (fix16_div((sraw - params->m_Mean_Variance_Estimator_Mean),
-                           F16(VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING)));
-    if ((delta_sgp < F16(0.))) {
-      c = (params->m_Mean_Variance_Estimator_Std - delta_sgp);
-    } else {
-      c = (params->m_Mean_Variance_Estimator_Std + delta_sgp);
-    }
-    additional_scaling = F16(1.);
-    if ((c > F16(1440.))) {
-      additional_scaling = F16(4.);
-    }
-    params->m_Mean_Variance_Estimator_Std = (fix16_mul(
-        fix16_sqrt((fix16_mul(additional_scaling, (F16(VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING) -
-                                                   params->m_Mean_Variance_Estimator_Gamma_Variance)))),
-        fix16_sqrt(((fix16_mul(params->m_Mean_Variance_Estimator_Std,
-                               (fix16_div(params->m_Mean_Variance_Estimator_Std,
-                                          (fix16_mul(F16(VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING),
-                                                     additional_scaling)))))) +
-                    (fix16_mul((fix16_div((fix16_mul(params->m_Mean_Variance_Estimator_Gamma_Variance, delta_sgp)),
-                                          additional_scaling)),
-                               delta_sgp))))));
-    params->m_Mean_Variance_Estimator_Mean =
-        (params->m_Mean_Variance_Estimator_Mean + (fix16_mul(params->m_Mean_Variance_Estimator_Gamma_Mean, delta_sgp)));
-  }
-}
-
-static void voc_algorithm_mean_variance_estimator_sigmoid_init(VocAlgorithmParams *params) {
-  voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(params, F16(0.), F16(0.), F16(0.));
-}
-
-static void voc_algorithm_mean_variance_estimator_sigmoid_set_parameters(VocAlgorithmParams *params, fix16_t l,
-                                                                         fix16_t x0, fix16_t k) {
-  params->m_Mean_Variance_Estimator_Sigmoid_L = l;
-  params->m_Mean_Variance_Estimator_Sigmoid_K = k;
-  params->m_Mean_Variance_Estimator_Sigmoid_X0 = x0;
-}
-
-static fix16_t voc_algorithm_mean_variance_estimator_sigmoid_process(VocAlgorithmParams *params, fix16_t sample) {
-  fix16_t x;
-
-  x = (fix16_mul(params->m_Mean_Variance_Estimator_Sigmoid_K, (sample - params->m_Mean_Variance_Estimator_Sigmoid_X0)));
-  if ((x < F16(-50.))) {
-    return params->m_Mean_Variance_Estimator_Sigmoid_L;
-  } else if ((x > F16(50.))) {
-    return F16(0.);
-  } else {
-    return (fix16_div(params->m_Mean_Variance_Estimator_Sigmoid_L, (F16(1.) + fix16_exp(x))));
-  }
-}
-
-static void voc_algorithm_mox_model_init(VocAlgorithmParams *params) {
-  voc_algorithm_mox_model_set_parameters(params, F16(1.), F16(0.));
-}
-
-static void voc_algorithm_mox_model_set_parameters(VocAlgorithmParams *params, fix16_t sraw_std, fix16_t sraw_mean) {
-  params->m_Mox_Model_Sraw_Std = sraw_std;
-  params->m_Mox_Model_Sraw_Mean = sraw_mean;
-}
-
-static fix16_t voc_algorithm_mox_model_process(VocAlgorithmParams *params, fix16_t sraw) {
-  return (fix16_mul((fix16_div((sraw - params->m_Mox_Model_Sraw_Mean),
-                               (-(params->m_Mox_Model_Sraw_Std + F16(VOC_ALGORITHM_SRAW_STD_BONUS))))),
-                    F16(VOC_ALGORITHM_VOC_INDEX_GAIN)));
-}
-
-static void voc_algorithm_sigmoid_scaled_init(VocAlgorithmParams *params) {
-  voc_algorithm_sigmoid_scaled_set_parameters(params, F16(0.));
-}
-
-static void voc_algorithm_sigmoid_scaled_set_parameters(VocAlgorithmParams *params, fix16_t offset) {
-  params->m_Sigmoid_Scaled_Offset = offset;
-}
-
-static fix16_t voc_algorithm_sigmoid_scaled_process(VocAlgorithmParams *params, fix16_t sample) {
-  fix16_t x;
-  fix16_t shift;
-
-  x = (fix16_mul(F16(VOC_ALGORITHM_SIGMOID_K), (sample - F16(VOC_ALGORITHM_SIGMOID_X0))));
-  if ((x < F16(-50.))) {
-    return F16(VOC_ALGORITHM_SIGMOID_L);
-  } else if ((x > F16(50.))) {
-    return F16(0.);
-  } else {
-    if ((sample >= F16(0.))) {
-      shift =
-          (fix16_div((F16(VOC_ALGORITHM_SIGMOID_L) - (fix16_mul(F16(5.), params->m_Sigmoid_Scaled_Offset))), F16(4.)));
-      return ((fix16_div((F16(VOC_ALGORITHM_SIGMOID_L) + shift), (F16(1.) + fix16_exp(x)))) - shift);
-    } else {
-      return (fix16_mul((fix16_div(params->m_Sigmoid_Scaled_Offset, F16(VOC_ALGORITHM_VOC_INDEX_OFFSET_DEFAULT))),
-                        (fix16_div(F16(VOC_ALGORITHM_SIGMOID_L), (F16(1.) + fix16_exp(x))))));
-    }
-  }
-}
-
-static void voc_algorithm_adaptive_lowpass_init(VocAlgorithmParams *params) {
-  voc_algorithm_adaptive_lowpass_set_parameters(params);
-}
-
-static void voc_algorithm_adaptive_lowpass_set_parameters(VocAlgorithmParams *params) {
-  params->m_Adaptive_Lowpass_A1 =
-      F16((VOC_ALGORITHM_SAMPLING_INTERVAL / (VOC_ALGORITHM_LP_TAU_FAST + VOC_ALGORITHM_SAMPLING_INTERVAL)));
-  params->m_Adaptive_Lowpass_A2 =
-      F16((VOC_ALGORITHM_SAMPLING_INTERVAL / (VOC_ALGORITHM_LP_TAU_SLOW + VOC_ALGORITHM_SAMPLING_INTERVAL)));
-  params->m_Adaptive_Lowpass_Initialized = false;
-}
-
-static fix16_t voc_algorithm_adaptive_lowpass_process(VocAlgorithmParams *params, fix16_t sample) {
-  fix16_t abs_delta;
-  fix16_t f1;
-  fix16_t tau_a;
-  fix16_t a3;
-
-  if ((!params->m_Adaptive_Lowpass_Initialized)) {
-    params->m_Adaptive_Lowpass_X1 = sample;
-    params->m_Adaptive_Lowpass_X2 = sample;
-    params->m_Adaptive_Lowpass_X3 = sample;
-    params->m_Adaptive_Lowpass_Initialized = true;
-  }
-  params->m_Adaptive_Lowpass_X1 =
-      ((fix16_mul((F16(1.) - params->m_Adaptive_Lowpass_A1), params->m_Adaptive_Lowpass_X1)) +
-       (fix16_mul(params->m_Adaptive_Lowpass_A1, sample)));
-  params->m_Adaptive_Lowpass_X2 =
-      ((fix16_mul((F16(1.) - params->m_Adaptive_Lowpass_A2), params->m_Adaptive_Lowpass_X2)) +
-       (fix16_mul(params->m_Adaptive_Lowpass_A2, sample)));
-  abs_delta = (params->m_Adaptive_Lowpass_X1 - params->m_Adaptive_Lowpass_X2);
-  if ((abs_delta < F16(0.))) {
-    abs_delta = (-abs_delta);
-  }
-  f1 = fix16_exp((fix16_mul(F16(VOC_ALGORITHM_LP_ALPHA), abs_delta)));
-  tau_a =
-      ((fix16_mul(F16((VOC_ALGORITHM_LP_TAU_SLOW - VOC_ALGORITHM_LP_TAU_FAST)), f1)) + F16(VOC_ALGORITHM_LP_TAU_FAST));
-  a3 = (fix16_div(F16(VOC_ALGORITHM_SAMPLING_INTERVAL), (F16(VOC_ALGORITHM_SAMPLING_INTERVAL) + tau_a)));
-  params->m_Adaptive_Lowpass_X3 =
-      ((fix16_mul((F16(1.) - a3), params->m_Adaptive_Lowpass_X3)) + (fix16_mul(a3, sample)));
-  return params->m_Adaptive_Lowpass_X3;
-}
-}  // namespace sgp40
-}  // namespace esphome

esphome/components/sgp40/sensirion_voc_algorithm.h

@@ -1,147 +0,0 @@
-#pragma once
-#include <cstdint>
-namespace esphome {
-namespace sgp40 {
-
-/* The VOC code were originally created by
- *  https://github.com/Sensirion/embedded-sgp
- * The fixed point arithmetic parts of this code were originally created by
- * https://github.com/PetteriAimonen/libfixmath
- */
-
-using fix16_t = int32_t;
-
-#define F16(x) ((fix16_t)(((x) >= 0) ? ((x) *65536.0 + 0.5) : ((x) *65536.0 - 0.5)))
-
-static const float VOC_ALGORITHM_SAMPLING_INTERVAL(1.);
-static const float VOC_ALGORITHM_INITIAL_BLACKOUT(45.);
-static const float VOC_ALGORITHM_VOC_INDEX_GAIN(230.);
-static const float VOC_ALGORITHM_SRAW_STD_INITIAL(50.);
-static const float VOC_ALGORITHM_SRAW_STD_BONUS(220.);
-static const float VOC_ALGORITHM_TAU_MEAN_VARIANCE_HOURS(12.);
-static const float VOC_ALGORITHM_TAU_INITIAL_MEAN(20.);
-static const float VOC_ALGORITHM_INIT_DURATION_MEAN((3600. * 0.75));
-static const float VOC_ALGORITHM_INIT_TRANSITION_MEAN(0.01);
-static const float VOC_ALGORITHM_TAU_INITIAL_VARIANCE(2500.);
-static const float VOC_ALGORITHM_INIT_DURATION_VARIANCE((3600. * 1.45));
-static const float VOC_ALGORITHM_INIT_TRANSITION_VARIANCE(0.01);
-static const float VOC_ALGORITHM_GATING_THRESHOLD(340.);
-static const float VOC_ALGORITHM_GATING_THRESHOLD_INITIAL(510.);
-static const float VOC_ALGORITHM_GATING_THRESHOLD_TRANSITION(0.09);
-static const float VOC_ALGORITHM_GATING_MAX_DURATION_MINUTES((60. * 3.));
-static const float VOC_ALGORITHM_GATING_MAX_RATIO(0.3);
-static const float VOC_ALGORITHM_SIGMOID_L(500.);
-static const float VOC_ALGORITHM_SIGMOID_K(-0.0065);
-static const float VOC_ALGORITHM_SIGMOID_X0(213.);
-static const float VOC_ALGORITHM_VOC_INDEX_OFFSET_DEFAULT(100.);
-static const float VOC_ALGORITHM_LP_TAU_FAST(20.0);
-static const float VOC_ALGORITHM_LP_TAU_SLOW(500.0);
-static const float VOC_ALGORITHM_LP_ALPHA(-0.2);
-static const float VOC_ALGORITHM_PERSISTENCE_UPTIME_GAMMA((3. * 3600.));
-static const float VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_GAMMA_SCALING(64.);
-static const float VOC_ALGORITHM_MEAN_VARIANCE_ESTIMATOR_FI_X16_MAX(32767.);
-
-/**
- * Struct to hold all the states of the VOC algorithm.
- */
-struct VocAlgorithmParams {
-  fix16_t mVoc_Index_Offset;
-  fix16_t mTau_Mean_Variance_Hours;
-  fix16_t mGating_Max_Duration_Minutes;
-  fix16_t mSraw_Std_Initial;
-  fix16_t mUptime;
-  fix16_t mSraw;
-  fix16_t mVoc_Index;
-  fix16_t m_Mean_Variance_Estimator_Gating_Max_Duration_Minutes;
-  bool m_Mean_Variance_Estimator_Initialized;
-  fix16_t m_Mean_Variance_Estimator_Mean;
-  fix16_t m_Mean_Variance_Estimator_Sraw_Offset;
-  fix16_t m_Mean_Variance_Estimator_Std;
-  fix16_t m_Mean_Variance_Estimator_Gamma;
-  fix16_t m_Mean_Variance_Estimator_Gamma_Initial_Mean;
-  fix16_t m_Mean_Variance_Estimator_Gamma_Initial_Variance;
-  fix16_t m_Mean_Variance_Estimator_Gamma_Mean;
-  fix16_t m_Mean_Variance_Estimator_Gamma_Variance;
-  fix16_t m_Mean_Variance_Estimator_Uptime_Gamma;
-  fix16_t m_Mean_Variance_Estimator_Uptime_Gating;
-  fix16_t m_Mean_Variance_Estimator_Gating_Duration_Minutes;
-  fix16_t m_Mean_Variance_Estimator_Sigmoid_L;
-  fix16_t m_Mean_Variance_Estimator_Sigmoid_K;
-  fix16_t m_Mean_Variance_Estimator_Sigmoid_X0;
-  fix16_t m_Mox_Model_Sraw_Std;
-  fix16_t m_Mox_Model_Sraw_Mean;
-  fix16_t m_Sigmoid_Scaled_Offset;
-  fix16_t m_Adaptive_Lowpass_A1;
-  fix16_t m_Adaptive_Lowpass_A2;
-  bool m_Adaptive_Lowpass_Initialized;
-  fix16_t m_Adaptive_Lowpass_X1;
-  fix16_t m_Adaptive_Lowpass_X2;
-  fix16_t m_Adaptive_Lowpass_X3;
-};
-
-/**
- * Initialize the VOC algorithm parameters. Call this once at the beginning or
- * whenever the sensor stopped measurements.
- * @param params    Pointer to the VocAlgorithmParams struct
- */
-void voc_algorithm_init(VocAlgorithmParams *params);
-
-/**
- * Get current algorithm states. Retrieved values can be used in
- * voc_algorithm_set_states() to resume operation after a short interruption,
- * skipping initial learning phase. This feature can only be used after at least
- * 3 hours of continuous operation.
- * @param params    Pointer to the VocAlgorithmParams struct
- * @param state0    State0 to be stored
- * @param state1    State1 to be stored
- */
-void voc_algorithm_get_states(VocAlgorithmParams *params, int32_t *state0, int32_t *state1);
-
-/**
- * Set previously retrieved algorithm states to resume operation after a short
- * interruption, skipping initial learning phase. This feature should not be
- * used after inerruptions of more than 10 minutes. Call this once after
- * voc_algorithm_init() and the optional voc_algorithm_set_tuning_parameters(), if
- * desired. Otherwise, the algorithm will start with initial learning phase.
- * @param params    Pointer to the VocAlgorithmParams struct
- * @param state0    State0 to be restored
- * @param state1    State1 to be restored
- */
-void voc_algorithm_set_states(VocAlgorithmParams *params, int32_t state0, int32_t state1);
-
-/**
- * Set parameters to customize the VOC algorithm. Call this once after
- * voc_algorithm_init(), if desired. Otherwise, the default values will be used.
- *
- * @param params                      Pointer to the VocAlgorithmParams struct
- * @param voc_index_offset            VOC index representing typical (average)
- *                                    conditions. Range 1..250, default 100
- * @param learning_time_hours         Time constant of long-term estimator.
- *                                    Past events will be forgotten after about
- *                                    twice the learning time.
- *                                    Range 1..72 [hours], default 12 [hours]
- * @param gating_max_duration_minutes Maximum duration of gating (freeze of
- *                                    estimator during high VOC index signal).
- *                                    0 (no gating) or range 1..720 [minutes],
- *                                    default 180 [minutes]
- * @param std_initial                 Initial estimate for standard deviation.
- *                                    Lower value boosts events during initial
- *                                    learning period, but may result in larger
- *                                    device-to-device variations.
- *                                    Range 10..500, default 50
- */
-void voc_algorithm_set_tuning_parameters(VocAlgorithmParams *params, int32_t voc_index_offset,
-                                         int32_t learning_time_hours, int32_t gating_max_duration_minutes,
-                                         int32_t std_initial);
-
-/**
- * Calculate the VOC index value from the raw sensor value.
- *
- * @param params    Pointer to the VocAlgorithmParams struct
- * @param sraw      Raw value from the SGP40 sensor
- * @param voc_index Calculated VOC index value from the raw sensor value. Zero
- *                  during initial blackout period and 1..500 afterwards
- */
-void voc_algorithm_process(VocAlgorithmParams *params, int32_t sraw, int32_t *voc_index);
-}  // namespace sgp40
-}  // namespace esphome

esphome/components/sgp40/sensor.py

@@ -1,70 +1,8 @@
-import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.components import i2c, sensor, sensirion_common
-
-from esphome.const import (
-    CONF_STORE_BASELINE,
-    CONF_TEMPERATURE_SOURCE,
-    ICON_RADIATOR,
-    DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
-    STATE_CLASS_MEASUREMENT,
-)
-
-DEPENDENCIES = ["i2c"]
-AUTO_LOAD = ["sensirion_common"]
 
 CODEOWNERS = ["@SenexCrenshaw"]
 
-sgp40_ns = cg.esphome_ns.namespace("sgp40")
+CONFIG_SCHEMA = CONFIG_SCHEMA = cv.invalid(
-SGP40Component = sgp40_ns.class_(
+    "SGP40 is deprecated.\nPlease use the SGP4x platform instead.\nSGP4x supports both SPG40 and SGP41.\n"
-    "SGP40Component",
+    " See https://esphome.io/components/sensor/sgp4x.html"
-    sensor.Sensor,
-    cg.PollingComponent,
-    sensirion_common.SensirionI2CDevice,
 )
-
-CONF_COMPENSATION = "compensation"
-CONF_HUMIDITY_SOURCE = "humidity_source"
-CONF_VOC_BASELINE = "voc_baseline"
-
-CONFIG_SCHEMA = (
-    sensor.sensor_schema(
-        SGP40Component,
-        icon=ICON_RADIATOR,
-        accuracy_decimals=0,
-        device_class=DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
-        state_class=STATE_CLASS_MEASUREMENT,
-    )
-    .extend(
-        {
-            cv.Optional(CONF_STORE_BASELINE, default=True): cv.boolean,
-            cv.Optional(CONF_VOC_BASELINE): cv.hex_uint16_t,
-            cv.Optional(CONF_COMPENSATION): cv.Schema(
-                {
-                    cv.Required(CONF_HUMIDITY_SOURCE): cv.use_id(sensor.Sensor),
-                    cv.Required(CONF_TEMPERATURE_SOURCE): cv.use_id(sensor.Sensor),
-                },
-            ),
-        }
-    )
-    .extend(cv.polling_component_schema("60s"))
-    .extend(i2c.i2c_device_schema(0x59))
-)
-
-
-async def to_code(config):
-    var = await sensor.new_sensor(config)
-    await cg.register_component(var, config)
-    await i2c.register_i2c_device(var, config)
-
-    if CONF_COMPENSATION in config:
-        compensation_config = config[CONF_COMPENSATION]
-        sens = await cg.get_variable(compensation_config[CONF_HUMIDITY_SOURCE])
-        cg.add(var.set_humidity_sensor(sens))
-        sens = await cg.get_variable(compensation_config[CONF_TEMPERATURE_SOURCE])
-        cg.add(var.set_temperature_sensor(sens))
-
-    cg.add(var.set_store_baseline(config[CONF_STORE_BASELINE]))
-
-    if CONF_VOC_BASELINE in config:
-        cg.add(var.set_voc_baseline(CONF_VOC_BASELINE))

esphome/components/sgp40/sgp40.cpp

@@ -1,274 +0,0 @@
-#include "sgp40.h"
-#include "esphome/core/log.h"
-#include "esphome/core/hal.h"
-#include <cinttypes>
-
-namespace esphome {
-namespace sgp40 {
-
-static const char *const TAG = "sgp40";
-
-void SGP40Component::setup() {
-  ESP_LOGCONFIG(TAG, "Setting up SGP40...");
-
-  // Serial Number identification
-  if (!this->write_command(SGP40_CMD_GET_SERIAL_ID)) {
-    this->error_code_ = COMMUNICATION_FAILED;
-    this->mark_failed();
-    return;
-  }
-  uint16_t raw_serial_number[3];
-
-  if (!this->read_data(raw_serial_number, 3)) {
-    this->mark_failed();
-    return;
-  }
-  this->serial_number_ = (uint64_t(raw_serial_number[0]) << 24) | (uint64_t(raw_serial_number[1]) << 16) |
-                         (uint64_t(raw_serial_number[2]));
-  ESP_LOGD(TAG, "Serial Number: %" PRIu64, this->serial_number_);
-
-  // Featureset identification for future use
-  if (!this->write_command(SGP40_CMD_GET_FEATURESET)) {
-    ESP_LOGD(TAG, "raw_featureset write_command_ failed");
-    this->mark_failed();
-    return;
-  }
-  uint16_t raw_featureset;
-  if (!this->read_data(raw_featureset)) {
-    ESP_LOGD(TAG, "raw_featureset read_data_ failed");
-    this->mark_failed();
-    return;
-  }
-
-  this->featureset_ = raw_featureset;
-  if ((this->featureset_ & 0x1FF) != SGP40_FEATURESET) {
-    ESP_LOGD(TAG, "Product feature set failed 0x%0X , expecting 0x%0X", uint16_t(this->featureset_ & 0x1FF),
-             SGP40_FEATURESET);
-    this->mark_failed();
-    return;
-  }
-
-  ESP_LOGD(TAG, "Product version: 0x%0X", uint16_t(this->featureset_ & 0x1FF));
-
-  voc_algorithm_init(&this->voc_algorithm_params_);
-
-  if (this->store_baseline_) {
-    // Hash with compilation time
-    // This ensures the baseline storage is cleared after OTA
-    uint32_t hash = fnv1_hash(App.get_compilation_time());
-    this->pref_ = global_preferences->make_preference<SGP40Baselines>(hash, true);
-
-    if (this->pref_.load(&this->baselines_storage_)) {
-      this->state0_ = this->baselines_storage_.state0;
-      this->state1_ = this->baselines_storage_.state1;
-      ESP_LOGI(TAG, "Loaded VOC baseline state0: 0x%04X, state1: 0x%04X", this->baselines_storage_.state0,
-               baselines_storage_.state1);
-    }
-
-    // Initialize storage timestamp
-    this->seconds_since_last_store_ = 0;
-
-    if (this->baselines_storage_.state0 > 0 && this->baselines_storage_.state1 > 0) {
-      ESP_LOGI(TAG, "Setting VOC baseline from save state0: 0x%04X, state1: 0x%04X", this->baselines_storage_.state0,
-               baselines_storage_.state1);
-      voc_algorithm_set_states(&this->voc_algorithm_params_, this->baselines_storage_.state0,
-                               this->baselines_storage_.state1);
-    }
-  }
-
-  this->self_test_();
-
-  /* The official spec for this sensor at https://docs.rs-online.com/1956/A700000007055193.pdf
-  indicates this sensor should be driven at 1Hz. Comments from the developers at:
-  https://github.com/Sensirion/embedded-sgp/issues/136 indicate the algorithm should be a bit
-  resilient to slight timing variations so the software timer should be accurate enough for
-  this.
-
-  This block starts sampling from the sensor at 1Hz, and is done seperately from the call
-  to the update method. This seperation is to support getting accurate measurements but
-  limit the amount of communication done over wifi for power consumption or to keep the
-  number of records reported from being overwhelming.
-  */
-  ESP_LOGD(TAG, "Component requires sampling of 1Hz, setting up background sampler");
-  this->set_interval(1000, [this]() { this->update_voc_index(); });
-}
-
-void SGP40Component::self_test_() {
-  ESP_LOGD(TAG, "Self-test started");
-  if (!this->write_command(SGP40_CMD_SELF_TEST)) {
-    this->error_code_ = COMMUNICATION_FAILED;
-    ESP_LOGD(TAG, "Self-test communication failed");
-    this->mark_failed();
-  }
-
-  this->set_timeout(250, [this]() {
-    uint16_t reply;
-    if (!this->read_data(reply)) {
-      ESP_LOGD(TAG, "Self-test read_data_ failed");
-      this->mark_failed();
-      return;
-    }
-
-    if (reply == 0xD400) {
-      this->self_test_complete_ = true;
-      ESP_LOGD(TAG, "Self-test completed");
-      return;
-    }
-
-    ESP_LOGD(TAG, "Self-test failed");
-    this->mark_failed();
-  });
-}
-
-/**
- * @brief Combined the measured gasses, temperature, and humidity
- * to calculate the VOC Index
- *
- * @param temperature The measured temperature in degrees C
- * @param humidity The measured relative humidity in % rH
- * @return int32_t The VOC Index
- */
-int32_t SGP40Component::measure_voc_index_() {
-  int32_t voc_index;
-
-  uint16_t sraw = measure_raw_();
-
-  if (sraw == UINT16_MAX)
-    return UINT16_MAX;
-
-  this->status_clear_warning();
-
-  voc_algorithm_process(&voc_algorithm_params_, sraw, &voc_index);
-
-  // Store baselines after defined interval or if the difference between current and stored baseline becomes too
-  // much
-  if (this->store_baseline_ && this->seconds_since_last_store_ > SHORTEST_BASELINE_STORE_INTERVAL) {
-    voc_algorithm_get_states(&voc_algorithm_params_, &this->state0_, &this->state1_);
-    if ((uint32_t) abs(this->baselines_storage_.state0 - this->state0_) > MAXIMUM_STORAGE_DIFF ||
-        (uint32_t) abs(this->baselines_storage_.state1 - this->state1_) > MAXIMUM_STORAGE_DIFF) {
-      this->seconds_since_last_store_ = 0;
-      this->baselines_storage_.state0 = this->state0_;
-      this->baselines_storage_.state1 = this->state1_;
-
-      if (this->pref_.save(&this->baselines_storage_)) {
-        ESP_LOGI(TAG, "Stored VOC baseline state0: 0x%04X ,state1: 0x%04X", this->baselines_storage_.state0,
-                 baselines_storage_.state1);
-      } else {
-        ESP_LOGW(TAG, "Could not store VOC baselines");
-      }
-    }
-  }
-
-  return voc_index;
-}
-
-/**
- * @brief Return the raw gas measurement
- *
- * @param temperature The measured temperature in degrees C
- * @param humidity The measured relative humidity in % rH
- * @return uint16_t The current raw gas measurement
- */
-uint16_t SGP40Component::measure_raw_() {
-  float humidity = NAN;
-
-  if (!this->self_test_complete_) {
-    ESP_LOGD(TAG, "Self-test not yet complete");
-    return UINT16_MAX;
-  }
-
-  if (this->humidity_sensor_ != nullptr) {
-    humidity = this->humidity_sensor_->state;
-  }
-  if (std::isnan(humidity) || humidity < 0.0f || humidity > 100.0f) {
-    humidity = 50;
-  }
-
-  float temperature = NAN;
-  if (this->temperature_sensor_ != nullptr) {
-    temperature = float(this->temperature_sensor_->state);
-  }
-  if (std::isnan(temperature) || temperature < -40.0f || temperature > 85.0f) {
-    temperature = 25;
-  }
-
-  uint16_t data[2];
-  uint16_t rhticks = llround((uint16_t)((humidity * 65535) / 100));
-  uint16_t tempticks = (uint16_t)(((temperature + 45) * 65535) / 175);
-  // first paramater is the relative humidity ticks
-  data[0] = rhticks;
-  // second paramater is the temperature ticks
-  data[1] = tempticks;
-
-  if (!this->write_command(SGP40_CMD_MEASURE_RAW, data, 2)) {
-    this->status_set_warning();
-    ESP_LOGD(TAG, "write error (%d)", this->last_error_);
-    return false;
-  }
-  delay(30);
-
-  uint16_t raw_data;
-  if (!this->read_data(raw_data)) {
-    this->status_set_warning();
-    ESP_LOGD(TAG, "read_data_ error");
-    return UINT16_MAX;
-  }
-  return raw_data;
-}
-
-void SGP40Component::update_voc_index() {
-  this->seconds_since_last_store_ += 1;
-
-  this->voc_index_ = this->measure_voc_index_();
-  if (this->samples_read_ < this->samples_to_stabalize_) {
-    this->samples_read_++;
-    ESP_LOGD(TAG, "Sensor has not collected enough samples yet. (%d/%d) VOC index is: %u", this->samples_read_,
-             this->samples_to_stabalize_, this->voc_index_);
-    return;
-  }
-}
-
-void SGP40Component::update() {
-  if (this->samples_read_ < this->samples_to_stabalize_) {
-    return;
-  }
-
-  if (this->voc_index_ != UINT16_MAX) {
-    this->status_clear_warning();
-    this->publish_state(this->voc_index_);
-  } else {
-    this->status_set_warning();
-  }
-}
-
-void SGP40Component::dump_config() {
-  ESP_LOGCONFIG(TAG, "SGP40:");
-  LOG_I2C_DEVICE(this);
-  ESP_LOGCONFIG(TAG, "  store_baseline: %d", this->store_baseline_);
-
-  if (this->is_failed()) {
-    switch (this->error_code_) {
-      case COMMUNICATION_FAILED:
-        ESP_LOGW(TAG, "Communication failed! Is the sensor connected?");
-        break;
-      default:
-        ESP_LOGW(TAG, "Unknown setup error!");
-        break;
-    }
-  } else {
-    ESP_LOGCONFIG(TAG, "  Serial number: %" PRIu64, this->serial_number_);
-    ESP_LOGCONFIG(TAG, "  Minimum Samples: %f", VOC_ALGORITHM_INITIAL_BLACKOUT);
-  }
-  LOG_UPDATE_INTERVAL(this);
-
-  if (this->humidity_sensor_ != nullptr && this->temperature_sensor_ != nullptr) {
-    ESP_LOGCONFIG(TAG, "  Compensation:");
-    LOG_SENSOR("    ", "Temperature Source:", this->temperature_sensor_);
-    LOG_SENSOR("    ", "Humidity Source:", this->humidity_sensor_);
-  } else {
-    ESP_LOGCONFIG(TAG, "  Compensation: No source configured");
-  }
-}
-
-}  // namespace sgp40
-}  // namespace esphome

esphome/components/sgp40/sgp40.h

@@ -1,93 +0,0 @@
-#pragma once
-
-#include "esphome/core/component.h"
-#include "esphome/components/sensor/sensor.h"
-#include "esphome/components/sensirion_common/i2c_sensirion.h"
-#include "esphome/core/application.h"
-#include "esphome/core/preferences.h"
-#include "sensirion_voc_algorithm.h"
-
-#include <cmath>
-
-namespace esphome {
-namespace sgp40 {
-
-struct SGP40Baselines {
-  int32_t state0;
-  int32_t state1;
-} PACKED;  // NOLINT
-
-// commands and constants
-static const uint8_t SGP40_FEATURESET = 0x0020;     ///< The required set for this library
-static const uint8_t SGP40_CRC8_POLYNOMIAL = 0x31;  ///< Seed for SGP40's CRC polynomial
-static const uint8_t SGP40_CRC8_INIT = 0xFF;        ///< Init value for CRC
-static const uint8_t SGP40_WORD_LEN = 2;            ///< 2 bytes per word
-
-// Commands
-
-static const uint16_t SGP40_CMD_GET_SERIAL_ID = 0x3682;
-static const uint16_t SGP40_CMD_GET_FEATURESET = 0x202f;
-static const uint16_t SGP40_CMD_SELF_TEST = 0x280e;
-static const uint16_t SGP40_CMD_MEASURE_RAW = 0x260F;
-
-// Shortest time interval of 3H for storing baseline values.
-// Prevents wear of the flash because of too many write operations
-const uint32_t SHORTEST_BASELINE_STORE_INTERVAL = 10800;
-
-// Store anyway if the baseline difference exceeds the max storage diff value
-const uint32_t MAXIMUM_STORAGE_DIFF = 50;
-
-class SGP40Component;
-
-/// This class implements support for the Sensirion sgp40 i2c GAS (VOC) sensors.
-class SGP40Component : public PollingComponent, public sensor::Sensor, public sensirion_common::SensirionI2CDevice {
- public:
-  void set_humidity_sensor(sensor::Sensor *humidity) { humidity_sensor_ = humidity; }
-  void set_temperature_sensor(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
-
-  void setup() override;
-  void update() override;
-  void update_voc_index();
-  void dump_config() override;
-  float get_setup_priority() const override { return setup_priority::DATA; }
-  void set_store_baseline(bool store_baseline) { store_baseline_ = store_baseline; }
-
- protected:
-  /// Input sensor for humidity and temperature compensation.
-  sensor::Sensor *humidity_sensor_{nullptr};
-  sensor::Sensor *temperature_sensor_{nullptr};
-  int16_t sensirion_init_sensors_();
-  int16_t sgp40_probe_();
-  uint64_t serial_number_;
-  uint16_t featureset_;
-  int32_t measure_voc_index_();
-  uint8_t generate_crc_(const uint8_t *data, uint8_t datalen);
-  uint16_t measure_raw_();
-  ESPPreferenceObject pref_;
-  uint32_t seconds_since_last_store_;
-  SGP40Baselines baselines_storage_;
-  VocAlgorithmParams voc_algorithm_params_;
-  bool self_test_complete_;
-  bool store_baseline_;
-  int32_t state0_;
-  int32_t state1_;
-  int32_t voc_index_ = 0;
-  uint8_t samples_read_ = 0;
-  uint8_t samples_to_stabalize_ = static_cast<int8_t>(VOC_ALGORITHM_INITIAL_BLACKOUT) * 2;
-
-  /**
-   * @brief Request the sensor to perform a self-test, returning the result
-   *
-   * @return true: success false:failure
-   */
-  void self_test_();
-  enum ErrorCode {
-    COMMUNICATION_FAILED,
-    MEASUREMENT_INIT_FAILED,
-    INVALID_ID,
-    UNSUPPORTED_ID,
-    UNKNOWN
-  } error_code_{UNKNOWN};
-};
-}  // namespace sgp40
-}  // namespace esphome

esphome/components/sgp4x/sensor.py

@@ -0,0 +1,144 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import i2c, sensor, sensirion_common
+from esphome.const import (
+    CONF_ID,
+    CONF_STORE_BASELINE,
+    CONF_TEMPERATURE_SOURCE,
+    ICON_RADIATOR,
+    DEVICE_CLASS_NITROUS_OXIDE,
+    DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
+    STATE_CLASS_MEASUREMENT,
+)
+
+DEPENDENCIES = ["i2c"]
+AUTO_LOAD = ["sensirion_common"]
+CODEOWNERS = ["@SenexCrenshaw", "@martgras"]
+
+sgp4x_ns = cg.esphome_ns.namespace("sgp4x")
+SGP4xComponent = sgp4x_ns.class_(
+    "SGP4xComponent",
+    sensor.Sensor,
+    cg.PollingComponent,
+    sensirion_common.SensirionI2CDevice,
+)
+
+CONF_ALGORITHM_TUNING = "algorithm_tuning"
+CONF_COMPENSATION = "compensation"
+CONF_GAIN_FACTOR = "gain_factor"
+CONF_GATING_MAX_DURATION_MINUTES = "gating_max_duration_minutes"
+CONF_HUMIDITY_SOURCE = "humidity_source"
+CONF_INDEX_OFFSET = "index_offset"
+CONF_LEARNING_TIME_GAIN_HOURS = "learning_time_gain_hours"
+CONF_LEARNING_TIME_OFFSET_HOURS = "learning_time_offset_hours"
+CONF_NOX = "nox"
+CONF_STD_INITIAL = "std_initial"
+CONF_VOC = "voc"
+CONF_VOC_BASELINE = "voc_baseline"
+
+
+def validate_sensors(config):
+    if CONF_VOC not in config and CONF_NOX not in config:
+        raise cv.Invalid(
+            f"At least one sensor is required. Define {CONF_VOC} and/or {CONF_NOX}"
+        )
+    return config
+
+
+GAS_SENSOR = cv.Schema(
+    {
+        cv.Optional(CONF_ALGORITHM_TUNING): cv.Schema(
+            {
+                cv.Optional(CONF_INDEX_OFFSET, default=100): cv.int_,
+                cv.Optional(CONF_LEARNING_TIME_OFFSET_HOURS, default=12): cv.int_,
+                cv.Optional(CONF_LEARNING_TIME_GAIN_HOURS, default=12): cv.int_,
+                cv.Optional(CONF_GATING_MAX_DURATION_MINUTES, default=720): cv.int_,
+                cv.Optional(CONF_STD_INITIAL, default=50): cv.int_,
+                cv.Optional(CONF_GAIN_FACTOR, default=230): cv.int_,
+            }
+        )
+    }
+)
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(SGP4xComponent),
+            cv.Optional(CONF_VOC): sensor.sensor_schema(
+                icon=ICON_RADIATOR,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_VOLATILE_ORGANIC_COMPOUNDS,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ).extend(GAS_SENSOR),
+            cv.Optional(CONF_NOX): sensor.sensor_schema(
+                icon=ICON_RADIATOR,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_NITROUS_OXIDE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ).extend(GAS_SENSOR),
+            cv.Optional(CONF_STORE_BASELINE, default=True): cv.boolean,
+            cv.Optional(CONF_VOC_BASELINE): cv.hex_uint16_t,
+            cv.Optional(CONF_COMPENSATION): cv.Schema(
+                {
+                    cv.Required(CONF_HUMIDITY_SOURCE): cv.use_id(sensor.Sensor),
+                    cv.Required(CONF_TEMPERATURE_SOURCE): cv.use_id(sensor.Sensor),
+                },
+            ),
+        }
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(i2c.i2c_device_schema(0x59)),
+    validate_sensors,
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)
+
+    if CONF_COMPENSATION in config:
+        compensation_config = config[CONF_COMPENSATION]
+        sens = await cg.get_variable(compensation_config[CONF_HUMIDITY_SOURCE])
+        cg.add(var.set_humidity_sensor(sens))
+        sens = await cg.get_variable(compensation_config[CONF_TEMPERATURE_SOURCE])
+        cg.add(var.set_temperature_sensor(sens))
+
+    cg.add(var.set_store_baseline(config[CONF_STORE_BASELINE]))
+
+    if CONF_VOC_BASELINE in config:
+        cg.add(var.set_voc_baseline(CONF_VOC_BASELINE))
+
+    if CONF_VOC in config:
+        sens = await sensor.new_sensor(config[CONF_VOC])
+        cg.add(var.set_voc_sensor(sens))
+        if CONF_ALGORITHM_TUNING in config[CONF_VOC]:
+            cfg = config[CONF_VOC][CONF_ALGORITHM_TUNING]
+            cg.add(
+                var.set_voc_algorithm_tuning(
+                    cfg[CONF_INDEX_OFFSET],
+                    cfg[CONF_LEARNING_TIME_OFFSET_HOURS],
+                    cfg[CONF_LEARNING_TIME_GAIN_HOURS],
+                    cfg[CONF_GATING_MAX_DURATION_MINUTES],
+                    cfg[CONF_STD_INITIAL],
+                    cfg[CONF_GAIN_FACTOR],
+                )
+            )
+
+    if CONF_NOX in config:
+        sens = await sensor.new_sensor(config[CONF_NOX])
+        cg.add(var.set_nox_sensor(sens))
+        if CONF_ALGORITHM_TUNING in config[CONF_NOX]:
+            cfg = config[CONF_NOX][CONF_ALGORITHM_TUNING]
+            cg.add(
+                var.set_nox_algorithm_tuning(
+                    cfg[CONF_INDEX_OFFSET],
+                    cfg[CONF_LEARNING_TIME_OFFSET_HOURS],
+                    cfg[CONF_LEARNING_TIME_GAIN_HOURS],
+                    cfg[CONF_GATING_MAX_DURATION_MINUTES],
+                    cfg[CONF_GAIN_FACTOR],
+                )
+            )
+    cg.add_library(
+        None, None, "https://github.com/Sensirion/arduino-gas-index-algorithm.git"
+    )

esphome/components/sgp4x/sgp4x.cpp

@@ -0,0 +1,343 @@
+#include "sgp4x.h"
+#include "esphome/core/log.h"
+#include "esphome/core/hal.h"
+#include <cinttypes>
+
+namespace esphome {
+namespace sgp4x {
+
+static const char *const TAG = "sgp4x";
+
+void SGP4xComponent::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up SGP4x...");
+
+  // Serial Number identification
+  uint16_t raw_serial_number[3];
+  if (!this->get_register(SGP4X_CMD_GET_SERIAL_ID, raw_serial_number, 3, 1)) {
+    ESP_LOGE(TAG, "Failed to read serial number");
+    this->error_code_ = SERIAL_NUMBER_IDENTIFICATION_FAILED;
+    this->mark_failed();
+    return;
+  }
+  this->serial_number_ = (uint64_t(raw_serial_number[0]) << 24) | (uint64_t(raw_serial_number[1]) << 16) |
+                         (uint64_t(raw_serial_number[2]));
+  ESP_LOGD(TAG, "Serial Number: %" PRIu64, this->serial_number_);
+
+  // Featureset identification for future use
+  uint16_t raw_featureset;
+  if (!this->get_register(SGP4X_CMD_GET_FEATURESET, raw_featureset, 1)) {
+    ESP_LOGD(TAG, "raw_featureset write_command_ failed");
+    this->mark_failed();
+    return;
+  }
+  this->featureset_ = raw_featureset;
+  if ((this->featureset_ & 0x1FF) == SGP40_FEATURESET) {
+    sgp_type_ = SGP40;
+    self_test_time_ = SPG40_SELFTEST_TIME;
+    measure_time_ = SGP40_MEASURE_TIME;
+    if (this->nox_sensor_) {
+      ESP_LOGE(TAG, "Measuring NOx requires a SGP41 sensor but a SGP40 sensor is detected");
+      // disable the sensor
+      this->nox_sensor_->set_disabled_by_default(true);
+      // make sure it's not visiable in HA
+      this->nox_sensor_->set_internal(true);
+      this->nox_sensor_->state = NAN;
+      // remove pointer to sensor
+      this->nox_sensor_ = nullptr;
+    }
+  } else {
+    if ((this->featureset_ & 0x1FF) == SGP41_FEATURESET) {
+      sgp_type_ = SGP41;
+      self_test_time_ = SPG41_SELFTEST_TIME;
+      measure_time_ = SGP41_MEASURE_TIME;
+    } else {
+      ESP_LOGD(TAG, "Product feature set failed 0x%0X , expecting 0x%0X", uint16_t(this->featureset_ & 0x1FF),
+               SGP40_FEATURESET);
+      this->mark_failed();
+      return;
+    }
+  }
+
+  ESP_LOGD(TAG, "Product version: 0x%0X", uint16_t(this->featureset_ & 0x1FF));
+
+  if (this->store_baseline_) {
+    // Hash with compilation time
+    // This ensures the baseline storage is cleared after OTA
+    uint32_t hash = fnv1_hash(App.get_compilation_time());
+    this->pref_ = global_preferences->make_preference<SGP4xBaselines>(hash, true);
+
+    if (this->pref_.load(&this->voc_baselines_storage_)) {
+      this->voc_state0_ = this->voc_baselines_storage_.state0;
+      this->voc_state1_ = this->voc_baselines_storage_.state1;
+      ESP_LOGI(TAG, "Loaded VOC baseline state0: 0x%04X, state1: 0x%04X", this->voc_baselines_storage_.state0,
+               voc_baselines_storage_.state1);
+    }
+
+    // Initialize storage timestamp
+    this->seconds_since_last_store_ = 0;
+
+    if (this->voc_baselines_storage_.state0 > 0 && this->voc_baselines_storage_.state1 > 0) {
+      ESP_LOGI(TAG, "Setting VOC baseline from save state0: 0x%04X, state1: 0x%04X",
+               this->voc_baselines_storage_.state0, voc_baselines_storage_.state1);
+      voc_algorithm_.set_states(this->voc_baselines_storage_.state0, this->voc_baselines_storage_.state1);
+    }
+  }
+  if (this->voc_sensor_ && this->voc_tuning_params_.has_value()) {
+    voc_algorithm_.set_tuning_parameters(
+        voc_tuning_params_.value().index_offset, voc_tuning_params_.value().learning_time_offset_hours,
+        voc_tuning_params_.value().learning_time_gain_hours, voc_tuning_params_.value().gating_max_duration_minutes,
+        voc_tuning_params_.value().std_initial, voc_tuning_params_.value().gain_factor);
+  }
+
+  if (this->nox_sensor_ && this->nox_tuning_params_.has_value()) {
+    nox_algorithm_.set_tuning_parameters(
+        nox_tuning_params_.value().index_offset, nox_tuning_params_.value().learning_time_offset_hours,
+        nox_tuning_params_.value().learning_time_gain_hours, nox_tuning_params_.value().gating_max_duration_minutes,
+        nox_tuning_params_.value().std_initial, nox_tuning_params_.value().gain_factor);
+  }
+
+  this->self_test_();
+
+  /* The official spec for this sensor at
+  https://sensirion.com/media/documents/296373BB/6203C5DF/Sensirion_Gas_Sensors_Datasheet_SGP40.pdf indicates this
+  sensor should be driven at 1Hz. Comments from the developers at:
+  https://github.com/Sensirion/embedded-sgp/issues/136 indicate the algorithm should be a bit resilient to slight
+  timing variations so the software timer should be accurate enough for this.
+
+  This block starts sampling from the sensor at 1Hz, and is done seperately from the call
+  to the update method. This seperation is to support getting accurate measurements but
+  limit the amount of communication done over wifi for power consumption or to keep the
+  number of records reported from being overwhelming.
+  */
+  ESP_LOGD(TAG, "Component requires sampling of 1Hz, setting up background sampler");
+  this->set_interval(1000, [this]() { this->update_gas_indices(); });
+}
+
+void SGP4xComponent::self_test_() {
+  ESP_LOGD(TAG, "Self-test started");
+  if (!this->write_command(SGP4X_CMD_SELF_TEST)) {
+    this->error_code_ = COMMUNICATION_FAILED;
+    ESP_LOGD(TAG, "Self-test communication failed");
+    this->mark_failed();
+  }
+
+  this->set_timeout(self_test_time_, [this]() {
+    uint16_t reply;
+    if (!this->read_data(reply)) {
+      this->error_code_ = SELF_TEST_FAILED;
+      ESP_LOGD(TAG, "Self-test read_data_ failed");
+      this->mark_failed();
+      return;
+    }
+
+    if (reply == 0xD400) {
+      this->self_test_complete_ = true;
+      ESP_LOGD(TAG, "Self-test completed");
+      return;
+    } else {
+      this->error_code_ = SELF_TEST_FAILED;
+      ESP_LOGD(TAG, "Self-test failed 0x%X", reply);
+      return;
+    }
+
+    ESP_LOGD(TAG, "Self-test failed 0x%X", reply);
+    this->mark_failed();
+  });
+}
+
+/**
+ * @brief Combined the measured gasses, temperature, and humidity
+ * to calculate the VOC Index
+ *
+ * @param temperature The measured temperature in degrees C
+ * @param humidity The measured relative humidity in % rH
+ * @return int32_t The VOC Index
+ */
+bool SGP4xComponent::measure_gas_indices_(int32_t &voc, int32_t &nox) {
+  uint16_t voc_sraw;
+  uint16_t nox_sraw;
+  if (!measure_raw_(voc_sraw, nox_sraw))
+    return false;
+
+  this->status_clear_warning();
+
+  voc = voc_algorithm_.process(voc_sraw);
+  if (nox_sensor_) {
+    nox = nox_algorithm_.process(nox_sraw);
+  }
+  ESP_LOGV(TAG, "VOC = %d, NOx = %d", voc, nox);
+  // Store baselines after defined interval or if the difference between current and stored baseline becomes too
+  // much
+  if (this->store_baseline_ && this->seconds_since_last_store_ > SHORTEST_BASELINE_STORE_INTERVAL) {
+    voc_algorithm_.get_states(this->voc_state0_, this->voc_state1_);
+    if ((uint32_t) abs(this->voc_baselines_storage_.state0 - this->voc_state0_) > MAXIMUM_STORAGE_DIFF ||
+        (uint32_t) abs(this->voc_baselines_storage_.state1 - this->voc_state1_) > MAXIMUM_STORAGE_DIFF) {
+      this->seconds_since_last_store_ = 0;
+      this->voc_baselines_storage_.state0 = this->voc_state0_;
+      this->voc_baselines_storage_.state1 = this->voc_state1_;
+
+      if (this->pref_.save(&this->voc_baselines_storage_)) {
+        ESP_LOGI(TAG, "Stored VOC baseline state0: 0x%04X ,state1: 0x%04X", this->voc_baselines_storage_.state0,
+                 voc_baselines_storage_.state1);
+      } else {
+        ESP_LOGW(TAG, "Could not store VOC baselines");
+      }
+    }
+  }
+
+  return true;
+}
+/**
+ * @brief Return the raw gas measurement
+ *
+ * @param temperature The measured temperature in degrees C
+ * @param humidity The measured relative humidity in % rH
+ * @return uint16_t The current raw gas measurement
+ */
+bool SGP4xComponent::measure_raw_(uint16_t &voc_raw, uint16_t &nox_raw) {
+  float humidity = NAN;
+  static uint32_t nox_conditioning_start = millis();
+
+  if (!this->self_test_complete_) {
+    ESP_LOGD(TAG, "Self-test not yet complete");
+    return false;
+  }
+  if (this->humidity_sensor_ != nullptr) {
+    humidity = this->humidity_sensor_->state;
+  }
+  if (std::isnan(humidity) || humidity < 0.0f || humidity > 100.0f) {
+    humidity = 50;
+  }
+
+  float temperature = NAN;
+  if (this->temperature_sensor_ != nullptr) {
+    temperature = float(this->temperature_sensor_->state);
+  }
+  if (std::isnan(temperature) || temperature < -40.0f || temperature > 85.0f) {
+    temperature = 25;
+  }
+
+  uint16_t command;
+  uint16_t data[2];
+  size_t response_words;
+  // Use SGP40 measure command if we don't care about NOx
+  if (nox_sensor_ == nullptr) {
+    command = SGP40_CMD_MEASURE_RAW;
+    response_words = 1;
+  } else {
+    // SGP41 sensor must use NOx conditioning command for the first 10 seconds
+    if (millis() - nox_conditioning_start < 10000) {
+      command = SGP41_CMD_NOX_CONDITIONING;
+      response_words = 1;
+    } else {
+      command = SGP41_CMD_MEASURE_RAW;
+      response_words = 2;
+    }
+  }
+  uint16_t rhticks = llround((uint16_t)((humidity * 65535) / 100));
+  uint16_t tempticks = (uint16_t)(((temperature + 45) * 65535) / 175);
+  // first paramater are the relative humidity ticks
+  data[0] = rhticks;
+  // secomd paramater are the temperature ticks
+  data[1] = tempticks;
+
+  if (!this->write_command(command, data, 2)) {
+    this->status_set_warning();
+    ESP_LOGD(TAG, "write error (%d)", this->last_error_);
+    return false;
+  }
+  delay(measure_time_);
+  uint16_t raw_data[2];
+  raw_data[1] = 0;
+  if (!this->read_data(raw_data, response_words)) {
+    this->status_set_warning();
+    ESP_LOGD(TAG, "read error (%d)", this->last_error_);
+    return false;
+  }
+  voc_raw = raw_data[0];
+  nox_raw = raw_data[1];  // either 0 or the measured NOx ticks
+  return true;
+}
+
+void SGP4xComponent::update_gas_indices() {
+  if (!this->self_test_complete_)
+    return;
+
+  this->seconds_since_last_store_ += 1;
+  if (!this->measure_gas_indices_(this->voc_index_, this->nox_index_)) {
+    // Set values to UINT16_MAX to indicate failure
+    this->voc_index_ = this->nox_index_ = UINT16_MAX;
+    ESP_LOGE(TAG, "measure gas indices failed");
+    return;
+  }
+  if (this->samples_read_ < this->samples_to_stabilize_) {
+    this->samples_read_++;
+    ESP_LOGD(TAG, "Sensor has not collected enough samples yet. (%d/%d) VOC index is: %u", this->samples_read_,
+             this->samples_to_stabilize_, this->voc_index_);
+    return;
+  }
+}
+
+void SGP4xComponent::update() {
+  if (this->samples_read_ < this->samples_to_stabilize_) {
+    return;
+  }
+  if (this->voc_sensor_) {
+    if (this->voc_index_ != UINT16_MAX) {
+      this->status_clear_warning();
+      this->voc_sensor_->publish_state(this->voc_index_);
+    } else {
+      this->status_set_warning();
+    }
+  }
+  if (this->nox_sensor_) {
+    if (this->nox_index_ != UINT16_MAX) {
+      this->status_clear_warning();
+      this->nox_sensor_->publish_state(this->nox_index_);
+    } else {
+      this->status_set_warning();
+    }
+  }
+}
+
+void SGP4xComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "SGP4x:");
+  LOG_I2C_DEVICE(this);
+  ESP_LOGCONFIG(TAG, "  store_baseline: %d", this->store_baseline_);
+
+  if (this->is_failed()) {
+    switch (this->error_code_) {
+      case COMMUNICATION_FAILED:
+        ESP_LOGW(TAG, "Communication failed! Is the sensor connected?");
+        break;
+      case SERIAL_NUMBER_IDENTIFICATION_FAILED:
+        ESP_LOGW(TAG, "Get Serial number failed.");
+        break;
+      case SELF_TEST_FAILED:
+        ESP_LOGW(TAG, "Self test failed.");
+        break;
+
+      default:
+        ESP_LOGW(TAG, "Unknown setup error!");
+        break;
+    }
+  } else {
+    ESP_LOGCONFIG(TAG, "  Type: %s", sgp_type_ == SGP41 ? "SGP41" : "SPG40");
+    ESP_LOGCONFIG(TAG, "  Serial number: %" PRIu64, this->serial_number_);
+    ESP_LOGCONFIG(TAG, "  Minimum Samples: %f", GasIndexAlgorithm_INITIAL_BLACKOUT);
+  }
+  LOG_UPDATE_INTERVAL(this);
+
+  if (this->humidity_sensor_ != nullptr && this->temperature_sensor_ != nullptr) {
+    ESP_LOGCONFIG(TAG, "  Compensation:");
+    LOG_SENSOR("    ", "Temperature Source:", this->temperature_sensor_);
+    LOG_SENSOR("    ", "Humidity Source:", this->humidity_sensor_);
+  } else {
+    ESP_LOGCONFIG(TAG, "  Compensation: No source configured");
+  }
+  LOG_SENSOR("  ", "VOC", this->voc_sensor_);
+  LOG_SENSOR("  ", "NOx", this->nox_sensor_);
+}
+
+}  // namespace sgp4x
+}  // namespace esphome

esphome/components/sgp4x/sgp4x.h

@@ -0,0 +1,142 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/sensirion_common/i2c_sensirion.h"
+#include "esphome/core/application.h"
+#include "esphome/core/preferences.h"
+#include <VOCGasIndexAlgorithm.h>
+#include <NOxGasIndexAlgorithm.h>
+
+#include <cmath>
+
+namespace esphome {
+namespace sgp4x {
+
+struct SGP4xBaselines {
+  int32_t state0;
+  int32_t state1;
+} PACKED;  // NOLINT
+
+enum SgpType { SGP40, SGP41 };
+
+struct GasTuning {
+  uint16_t index_offset;
+  uint16_t learning_time_offset_hours;
+  uint16_t learning_time_gain_hours;
+  uint16_t gating_max_duration_minutes;
+  uint16_t std_initial;
+  uint16_t gain_factor;
+};
+
+// commands and constants
+static const uint8_t SGP40_FEATURESET = 0x0020;  // can measure VOC
+static const uint8_t SGP41_FEATURESET = 0x0040;  // can measure VOC and NOX
+// Commands
+static const uint16_t SGP4X_CMD_GET_SERIAL_ID = 0x3682;
+static const uint16_t SGP4X_CMD_GET_FEATURESET = 0x202f;
+static const uint16_t SGP4X_CMD_SELF_TEST = 0x280e;
+static const uint16_t SGP40_CMD_MEASURE_RAW = 0x260F;
+static const uint16_t SGP41_CMD_MEASURE_RAW = 0x2619;
+static const uint16_t SGP41_CMD_NOX_CONDITIONING = 0x2612;
+static const uint8_t SGP41_SUBCMD_NOX_CONDITIONING = 0x12;
+
+// Shortest time interval of 3H for storing baseline values.
+// Prevents wear of the flash because of too many write operations
+const uint32_t SHORTEST_BASELINE_STORE_INTERVAL = 10800;
+static const uint16_t SPG40_SELFTEST_TIME = 250;  // 250 ms for self test
+static const uint16_t SPG41_SELFTEST_TIME = 320;  // 320 ms for self test
+static const uint16_t SGP40_MEASURE_TIME = 30;
+static const uint16_t SGP41_MEASURE_TIME = 55;
+// Store anyway if the baseline difference exceeds the max storage diff value
+const uint32_t MAXIMUM_STORAGE_DIFF = 50;
+
+class SGP4xComponent;
+
+/// This class implements support for the Sensirion sgp4x i2c GAS (VOC) sensors.
+class SGP4xComponent : public PollingComponent, public sensor::Sensor, public sensirion_common::SensirionI2CDevice {
+  enum ErrorCode {
+    COMMUNICATION_FAILED,
+    MEASUREMENT_INIT_FAILED,
+    INVALID_ID,
+    UNSUPPORTED_ID,
+    SERIAL_NUMBER_IDENTIFICATION_FAILED,
+    SELF_TEST_FAILED,
+    UNKNOWN
+  } error_code_{UNKNOWN};
+
+ public:
+  // SGP4xComponent()  {};
+  void set_humidity_sensor(sensor::Sensor *humidity) { humidity_sensor_ = humidity; }
+  void set_temperature_sensor(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
+
+  void setup() override;
+  void update() override;
+  void update_gas_indices();
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+  void set_store_baseline(bool store_baseline) { store_baseline_ = store_baseline; }
+  void set_voc_sensor(sensor::Sensor *voc_sensor) { voc_sensor_ = voc_sensor; }
+  void set_nox_sensor(sensor::Sensor *nox_sensor) { nox_sensor_ = nox_sensor; }
+  void set_voc_algorithm_tuning(uint16_t index_offset, uint16_t learning_time_offset_hours,
+                                uint16_t learning_time_gain_hours, uint16_t gating_max_duration_minutes,
+                                uint16_t std_initial, uint16_t gain_factor) {
+    voc_tuning_params_.value().index_offset = index_offset;
+    voc_tuning_params_.value().learning_time_offset_hours = learning_time_offset_hours;
+    voc_tuning_params_.value().learning_time_gain_hours = learning_time_gain_hours;
+    voc_tuning_params_.value().gating_max_duration_minutes = gating_max_duration_minutes;
+    voc_tuning_params_.value().std_initial = std_initial;
+    voc_tuning_params_.value().gain_factor = gain_factor;
+  }
+  void set_nox_algorithm_tuning(uint16_t index_offset, uint16_t learning_time_offset_hours,
+                                uint16_t learning_time_gain_hours, uint16_t gating_max_duration_minutes,
+                                uint16_t gain_factor) {
+    nox_tuning_params_.value().index_offset = index_offset;
+    nox_tuning_params_.value().learning_time_offset_hours = learning_time_offset_hours;
+    nox_tuning_params_.value().learning_time_gain_hours = learning_time_gain_hours;
+    nox_tuning_params_.value().gating_max_duration_minutes = gating_max_duration_minutes;
+    nox_tuning_params_.value().std_initial = 50;
+    nox_tuning_params_.value().gain_factor = gain_factor;
+  }
+
+ protected:
+  void self_test_();
+
+  /// Input sensor for humidity and temperature compensation.
+  sensor::Sensor *humidity_sensor_{nullptr};
+  sensor::Sensor *temperature_sensor_{nullptr};
+  int16_t sensirion_init_sensors_();
+
+  bool measure_gas_indices_(int32_t &voc, int32_t &nox);
+  bool measure_raw_(uint16_t &voc_raw, uint16_t &nox_raw);
+
+  SgpType sgp_type_{SGP40};
+  uint64_t serial_number_;
+  uint16_t featureset_;
+
+  bool self_test_complete_;
+  uint16_t self_test_time_;
+
+  sensor::Sensor *voc_sensor_{nullptr};
+  VOCGasIndexAlgorithm voc_algorithm_;
+  optional<GasTuning> voc_tuning_params_;
+  int32_t voc_state0_;
+  int32_t voc_state1_;
+  int32_t voc_index_ = 0;
+
+  sensor::Sensor *nox_sensor_{nullptr};
+  int32_t nox_index_ = 0;
+  NOxGasIndexAlgorithm nox_algorithm_;
+  optional<GasTuning> nox_tuning_params_;
+
+  uint16_t measure_time_;
+  uint8_t samples_read_ = 0;
+  uint8_t samples_to_stabilize_ = static_cast<int8_t>(GasIndexAlgorithm_INITIAL_BLACKOUT) * 2;
+
+  bool store_baseline_;
+  ESPPreferenceObject pref_;
+  uint32_t seconds_since_last_store_;
+  SGP4xBaselines voc_baselines_storage_;
+};
+}  // namespace sgp4x
+}  // namespace esphome