Refactor code structure for improved readability and maintainability

esphome/ha-remote/ha-remote-1.base.yaml

@@ -0,0 +1,99 @@
+psram:
+  mode: octal
+  speed: 80MHz
+
+i2c:
+  sda: 8
+  scl: 9
+
+# CH422G I/O expander (Waveshare uses it for LCD reset/backlight/touch reset)
+ch422g:
+  - id: ch422g_hub
+
+# --- Backlight control (CH422G IO2 is common for Waveshare LCD BL) ---
+switch:
+  - platform: gpio
+    name: "LCD Backlight Raw"
+    id: lcd_backlight_raw
+    restore_mode: ALWAYS_ON
+    pin:
+      ch422g: ch422g_hub
+      number: 2
+      mode:
+        output: true
+
+# A nicer HA-exposed control (so you can also automate it from HA)
+light:
+  - platform: binary
+    name: "HA Remote Backlight"
+    output: lcd_backlight_out
+    id: ha_remote_backlight
+
+output:
+  - platform: template
+    id: lcd_backlight_out
+    type: binary
+    write_action:
+      - if:
+          condition:
+            lambda: return state;
+          then:
+            - switch.turn_on: lcd_backlight_raw
+          else:
+            - switch.turn_off: lcd_backlight_raw
+
+# --- Inactivity tracking (dim/off + wake on touch) ---
+globals:
+  - id: last_activity_ms
+    type: uint32_t
+    restore_value: no
+    initial_value: '0'
+
+interval:
+  - interval: 1s
+    then:
+      - lambda: |-
+          if (id(last_activity_ms) == 0) id(last_activity_ms) = millis();
+
+      # Turn off backlight ONCE at 2 minutes idle.
+      - if:
+          condition:
+            lambda: |-
+              const uint32_t idle_s = (millis() - id(last_activity_ms)) / 1000;
+              return idle_s == 120;
+          then:
+            - light.turn_off: ha_remote_backlight
+
+# --- Display ---
+display:
+  - platform: mipi_rgb
+    model: ESP32-S3-TOUCH-LCD-7-800X480
+    id: main_display
+    update_interval: never
+    auto_clear_enabled: false
+    reset_pin:
+      ch422g: ch422g_hub
+      number: 3
+      mode:
+        output: true
+
+# --- Touch ---
+touchscreen:
+  platform: gt911
+  id: touch_panel
+  update_interval: 120ms
+  reset_pin:
+    ch422g: ch422g_hub
+    number: 1
+    mode:
+      output: true
+  on_touch:
+    then:
+      - lambda: |-
+          id(last_activity_ms) = millis();
+      - light.turn_on: ha_remote_backlight
+
+# --- LVGL UI ---
+# Note: On ESP32-S3-Touch-LCD-7, GPIO14 is used by the RGB display bus,
+# so it cannot be reused as ADC for battery telemetry in this display mode.
+