Use globals for persistence

ESPHome/TX-Ultimate-Easy-ESPHome_standard_hw_speaker.yaml

@@ -42,7 +42,7 @@ esphome:
 
 number:
   - id: speaker_volume
-    name: Volume - Speaker
+    name: Speaker Volume
     platform: template
     max_value: 100
     min_value: 0

ESPHome/TX-Ultimate-Easy-ESPHome_standard_media_player.yaml

@@ -24,6 +24,10 @@ globals:
     type: uint8_t
     restore_value: false
     initial_value: '100'
+  - id: persistent_media_player_volume
+    type: uint8_t
+    restore_value: true
+    initial_value: '100'
 
 media_player:
   - id: mp_media_player
@@ -43,52 +47,16 @@ media_player:
       format: FLAC
       num_channels: 1
       sample_rate: 48000
-    mute_pin:
-      number: GPIO26
-      inverted: true
-      allow_other_uses: true
     on_state:
       then:
         - lambda: |-
             // Check if volume has changed and update number entity
-            uint8_t current_volume_percentage = static_cast<uint8_t>(mp_media_player->volume * 100.0f);
-            if (abs(static_cast<int>(current_volume_percentage) - static_cast<int>(id(last_media_player_volume))) > 1) {  // 1% threshold
-              id(last_media_player_volume) = current_volume_percentage;
-              ESP_LOGD("media_player_volume", "Media player volume changed to %" PRIu8 "%%, updating number entity", current_volume_percentage);
-              nr_media_player_volume->publish_state(static_cast<float>(current_volume_percentage));
+            id(persistent_media_player_volume) = static_cast<uint8_t>(mp_media_player->volume * 100.0f);
+            if (id(persistent_media_player_volume) != id(last_media_player_volume)) {
+              id(last_media_player_volume) = id(persistent_media_player_volume);
+              ESP_LOGD("media_player_volume", "Media player volume changed to %" PRIu8 "%%, updating number entity", id(persistent_media_player_volume));
             }
 
-number:
-  - id: nr_media_player_volume
-    name: Volume - Media Player
-    icon: mdi:volume-high
-    unit_of_measurement: "%"
-    internal: false
-    entity_category: config
-    platform: template
-    min_value: 0
-    max_value: 100
-    step: 1
-    optimistic: false
-    restore_value: true
-    lambda: |-
-      // Return current media player volume as percentage
-      return mp_media_player->volume * 100.0f;
-    set_action:
-      then:
-        - media_player.volume_set:
-            id: mp_media_player
-            volume: !lambda return x / 100.0f;
-        - lambda: |-
-            id(last_media_player_volume) = static_cast<uint8_t>(x);
-            ESP_LOGD("media_player_volume", "Setting media player volume to %.1f%% (%.3f)", x, x / 100.0f);
-    on_value:
-      then:
-        - lambda: |-
-            // Update our tracking variable when number entity changes
-            id(last_media_player_volume) = static_cast<uint8_t>(x);
-            ESP_LOGVV("media_player_volume", "Number entity changed to %.1f%%", x);
-
 script:
   - id: !extend boot_sequence
     then:
@@ -99,8 +67,8 @@ script:
       - lambda: |-
           // Volume sync configuration
           ESP_LOGCONFIG("standard_media_player", "Media Player Volume Sync:");
+          ESP_LOGCONFIG("standard_media_player", "  Persistent volume: %" PRIu8 "%", id(persistent_media_player_volume));
           ESP_LOGCONFIG("standard_media_player", "  Current volume: %.1f%%", mp_media_player->volume * 100.0f);
-          ESP_LOGCONFIG("standard_media_player", "  Number entity: %.1f%%", nr_media_player_volume->state);
 
   - id: !extend dump_config_list_packages
     then:
@@ -123,10 +91,10 @@ script:
       - delay: 2s  # Wait for media player to initialize
       - media_player.volume_set:  # Sync initial volume from persisted number entity to media player
           id: mp_media_player
-          volume: !lambda return nr_media_player_volume->state / 100.0f;
+          volume: !lambda return id(persistent_media_player_volume) / 100.0f;
       - lambda: |-
-          id(last_media_player_volume) = static_cast<uint8_t>(nr_media_player_volume->state);
-          ESP_LOGI("media_player_volume", "Initial volume sync: %.1f%% (restored from persistence)", nr_media_player_volume->state);
+          id(last_media_player_volume) = id(persistent_media_player_volume);
+          ESP_LOGI("media_player_volume", "Initial volume sync: %.1f%% (restored from persistence)", id(persistent_media_player_volume));
 
 speaker:
   - platform: mixer
@@ -141,9 +109,4 @@ speaker:
   - platform: resampler
     id: media_spk_resampling_input
     output_speaker: media_speaker_embedded
-
-switch:
-  - id: !extend sw_enable_audio
-    pin:
-      allow_other_uses: true
 ...