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

psram:
  mode: octal
  speed: 80MHz

i2c:
  - id: i2c_main
    sda: 8
    scl: 9
    frequency: 400kHz
  - id: i2c_battery
    sda: 40  # Verify these pins are free on your board
    scl: 41
    frequency: 400kHz

# 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

# --- MDI Icon Font ---
font:
  - file: "https://raw.githubusercontent.com/Templarian/MaterialDesign-Webfont/master/fonts/materialdesignicons-webfont.ttf"
    id: mdi_icons
    size: 24
    bpp: 4
    glyphs:
      # Tile icons
      - "\U000F0335"  # mdi:lightbulb
      - "\U000F0425"  # mdi:power
      - "\U000F0426"  # mdi:power-plug
      - "\U000F07E9"  # mdi:power-socket-us
      - "\U000F1A26"  # mdi:toggle-switch-variant-off
      # Battery status icons
      - "\U000F0079"  # mdi:battery
      - "\U000F12A1"  # mdi:battery-low
      - "\U000F12A2"  # mdi:battery-medium
      - "\U000F12A3"  # mdi:battery-high
      - "\U000F12A4"  # mdi:battery-charging-low
      - "\U000F12A5"  # mdi:battery-charging-medium
      - "\U000F12A6"  # mdi:battery-charging-high
      - "\U000F0091"  # mdi:battery-unknown
      - "\U000F10CD"  # mdi:battery-alert-variant-outline
      # Navigation bar icons
      - "\U000F04B9"  # mdi:sofa
      - "\U000F06B5"  # mdi:lamp
      - "\U000F04DE"  # mdi:stove
      - "\U000F12BD"  # mdi:stairs-up
      - "\U000F1239"  # mdi:desk
      - "\U000F06D9"  # mdi:garage
      - "\U000F0531"  # mdi:tree

# --- 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.

# --- Battery fuel gauge (Adafruit MAX17048 via compatible driver) ---
sensor:
  - platform: max17043
    id: max17048_battery
    i2c_id: i2c_battery
    update_interval: 120s
    battery_voltage:
      name: "Remote Battery Voltage"
      id: remote_battery_voltage
      entity_category: diagnostic
      device_class: voltage
      state_class: measurement
      accuracy_decimals: 3
      on_value:
        then:
          - lambda: |-
              ESP_LOGI("battery", "Voltage: %.3f V", x);
    battery_level:
      name: "Remote Battery Level"
      id: remote_battery_level
      entity_category: diagnostic
      device_class: battery
      state_class: measurement
      accuracy_decimals: 0
      on_value:
        then:
          - lambda: |-
              const float pct = x;
              ESP_LOGI("battery", "Level: %.0f%%", pct);
  # - platform: custom
  #   lambda: |-
  #     auto max17048_sensor = new MAX17048Sensor();
  #     App.register_component(max17048_sensor);
  #     return {max17048_sensor->voltage_sensor, max17048_sensor->percentage_sensor};
  #   sensors:
  #     - name: "Voltage"
  #       unit_of_measurement: V
  #       accuracy_decimals: 2
  #     - name: "Percentage"
  #       unit_of_measurement: '%'