请大佬帮忙看看ESPhome配置文件代码

wwjw

我用esp32开发板（esp32dev）、编码器模块（ec11）、1.54寸tft屏幕（ST7789V）实现某些功能，编译正常并刷入了esp32，但是现在遇到2个问题：
1.HA里面不显示实体，按道理说集成后应该会自动发现；
2.屏幕没显示。代码想实现的是屏幕显示当前时间和DAC的输出百分比，但是屏幕显示是白色背景无任何内容。
个人技术不精，请大佬帮忙看看是哪里出了问题。另外，编码器的控制功能是正常的，旋转、按键均有正常的日志输出，可以控制屏幕亮度。

esphome:
  name: esp32
  friendly_name: ESP32

esp32:
  board: esp32dev
  framework:
    type: esp-idf

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "U2utvgAJzotk+DlZkqo="

ota:
  - platform: esphome
    password: "f094c87da6b4d"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Fallback Hotspot"
    password: "cS01"

captive_portal:
time:
  - platform: homeassistant
    id: ha_time
    on_time_sync:
      then:
        - component.update: tft_display

font:
  - file: "gfonts://Roboto"
    id: large_font
    size: 36
  - file: "gfonts://Roboto"
    id: small_font
    size: 16

sensor:
  - platform: uptime
    id: internal_uptime
    update_interval: 60s

  - platform: rotary_encoder
    id: ec11_encoder
    name: "编码器"
    pin_a: GPIO32
    pin_b: GPIO33
    resolution: 4
    filters:
      - debounce: 10ms
    on_clockwise:
      then:
        - number.increment: dac_level
    on_anticlockwise:
      then:
        - number.decrement: dac_level

binary_sensor:
  - platform: gpio
    id: encoder_button
    name: "编码器按键"
    pin:
      number: GPIO27
      mode: INPUT_PULLUP
      inverted: false
    filters:
      - delayed_on: 50ms
    on_press:
      then:
        - switch.toggle: main_switch

output:
  - platform: esp32_dac
    pin: GPIO25
    id: dac_output
  - platform: ledc
    pin: GPIO17
    id: backlight_output
    frequency: 1000Hz

number:
  - platform: template
    name: "DAC输出"
    id: dac_level
    min_value: 0
    max_value: 100
    step: 1
    unit_of_measurement: "%"
    icon: mdi:gauge
    optimistic: true  
    on_value:
      then:
        - output.set_level:
            id: dac_output
            level: !lambda 'return id(main_switch).state ? (id(dac_level).state / 100.0) : 0.0;'
        - component.update: tft_display

switch:
  - platform: gpio
    name: "主控制开关"
    id: main_switch
    pin: GPIO15
    restore_mode: RESTORE_DEFAULT_OFF
    on_turn_on:
      then:
        - output.set_level:
            id: backlight_output
            level: 1.0
        - component.update: tft_display
    on_turn_off:
      then:
        - output.set_level:
            id: backlight_output
            level: 0.1
        - component.update: tft_display

spi:
  clk_pin: GPIO18
  mosi_pin: GPIO23
display:
  - platform: mipi_spi
    id: tft_display
    model: ST7789V
    dimensions: 240x240
    cs_pin: GPIO5
    dc_pin: GPIO16
    reset_pin: GPIO21
    rotation: 0
    update_interval: never
    lambda: |-

      static float last_dac = -1;
      static int last_hour = -1;
      static int last_minute = -1;
      static bool last_switch = false;
      
      auto time = id(ha_time).now();
      
      if (time.hour != last_hour || time.minute != last_minute) {
        it.filled_ring(0, 60, 240, 40, Color::BLACK);
        it.printf(120, 85, id(large_font), TextAlign::CENTER, 
                 "%02d:%02d", time.hour, time.minute);
        last_hour = time.hour;
        last_minute = time.minute;
      }
      
      if (id(dac_level).state != last_dac) {
        it.filled_ring(0, 130, 240, 20, Color::BLACK);
        it.printf(120, 145, id(small_font), TextAlign::CENTER, 
                 "DAC输出: %.0f%%", id(dac_level).state);
        last_dac = id(dac_level).state;
      }

复制代码

wwjw

已解决，用官方表达式即可。