esphome代码报错求指点

water3033

用机器人写了一个esphome的代码，用于将接收到的MQTT字符串转化为十六进制然后用串口发送；不同的topic设置不同的帧头。 复制到esphome中提示报错，检查了好多遍也没有发现问题出在哪？特请教指点。

esphome:
  name: test11
  friendly_name: test11

esp8266:
  board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "******************"

ota:
  password: "********************"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Test11 Fallback Hotspot"
    password: "xsV4FctkoFsO"


mqtt:
  broker: "MQTT服务器地址"
  username: "MQTT用户名"
  password: "MQTT密码"

uart:
  tx_pin: TX
  baud_rate: 9600

globals:
  - id: topic_data
    type: string[]
    size: 10

sensor:
  - platform: mqtt
    name: "MQTT 数据"
    state_topic: "mqtt_to_hex/#"
    on_value:
      then: 
        - lambda: |-
            std::string topic = id(state.get_topic());
            if (topic.length()13) {
              return;
            }

            std::string data_str = state.get_value_string();
            int topic_id = std::stoi(topic.substr(11));
            float data = data_str.toFloat();
            int data_int = (int)(data * 10);

            // 将数据转化为十六进制字符串
            std::stringstream stream;
            stream::hex < data_int;
            std::string data_hex = stream.str();

            // 保证数据长度为2
            if (data_hex.length() == 1) {
              data_hex = "0" + data_hex;
            }

            // 计算帧头和帧尾
            std::string header = "AA 55 " + data_hex.substr(0, 1) + std::to_string(topic_id) + " + data_hex.substr(1) + " ";
            int sum = 0;
            for (int i = 0; i < header.length(); i += 3) {
              sum += std::stoi(header.substr(i, 2), nullptr, 16);
            }
            header += std::to_string(sum % 256) + " 55 AA";

            // 发送串口数据
            ESP_LOGD("mqtt_to_hex", "Sending data: %s", header.c_str());
            uart.write(reinterpret_cast<const uint8_t*>(header.c_str()), header.length());

      # 将订阅的topic保存到全局变量中，供lambda表达式使用
      - lambda: |-
          int i = 0;
          for (; i < 10; i++) {
            if (topic_data[i] == "") {
              topic_data[i] = id(state.get_topic());
              break;
            }
          }
          if (i == 10) {
            ESP_LOGW("mqtt_to_hex", "Too many topics to subscribe");
          }
      # 取消订阅时将对应的topic从全局变量中删除
      - mqtt.publish:
          topic: "mqtt_to_hex/unsubscribe"
          payload: !lambda |-
            std::string topic = id(state.get_topic());
            for (int i = 0; i < 10; i++) {
              if (topic_data[i] == topic) {
                topic_data[i] = "";
                break;
              }
            }

  # 订阅mqtt_to_hex/#以获取所有数据
  - platform: mqtt
    name: "MQTT 订阅"
    state_topic: "mqtt_to_hex/subscribe"
    icon: "mdi:arrow-down"
    on_value:
      then:
        - mqtt.subscribe:
            topic: "mqtt_to_hex/#"

automation:
  - trigger:
      platform: mqtt
      topic: mqtt_to_hex/unsubscribe
    action:
      - mqtt.publish:
          topic: "mqtt_to_hex/unsubscribed"
          payload: !lambda |-
            std::string topic = id(trigger.topic);
            for (int i = 0; i < 10; i++) {
              if (topic_data[i] == topic) {
                topic_data[i] = "";
                break;
              }
            }    

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