gongsiall/developedcode/cegongji/back/app.js

const { SerialPort } = require('serialport')
const mqtt = require("mqtt");
require('events').EventEmitter.defaultMaxListeners = 0; // 解除限制
const serialPortParams = {
  path: "COM5",
  baudRate: 9600,  //波特率
  dataBits: 8,    //数据位
  parity: 'none',  //奇偶校验
  stopBits: 1,  //停止位
  flowControl: false,
  autoOpen: false, //不自动打开
  // highWaterMark: 64 * 1024,
  highWaterMark: 32,
}
class AppBootHook {
  constructor(app) {
    this.app = app;
  }
  configWillLoad() {
    // 此时 config 文件已经被读取并合并，但是还并未生效
    // 这是应用层修改配置的最后时机
    // 注意：此函数只支持同步调用
  }

  async didLoad() {
    // 所有的配置已经加载完毕
    // 可以用来加载应用自定义的文件，启动自定义的服务


  }

  async willReady() {
    // 所有的插件都已启动完毕，但是应用整体还未 ready
    // 可以做一些数据初始化等操作，这些操作成功才会启动应用

  }

  async didReady() {
    // 应用已经启动完毕

  }

  async serverDidReady() {
    // http / https server 已启动，开始接受外部请求
    // 此时可以从 app.server 拿到 server 的实例
    //生成串口连接
    function genSerialport(options) {
      return new SerialPort({ ...serialPortParams, ...options })
    }
    //转矩转速功率测量仪下"COM1"
    //转矩转速功率测量仪中"COM2"
    //转矩转速功率测量仪上"COM3"
    //wlk-10A控制器（下上一体）"COM4"
    //XSD5-2隔离型 "COM5"
    //初始化串口
    this.app.comKey = [
      {
        key: "XSD5",
        ripCom: "COM5",
        sendRipId: "01 03 00 00 00 06",
        ripBackStart: "01 03",
        recieveRipLength: 17,
        ripComInstence: genSerialport({ path: "COM5" }),
      },
      {
        key: "TR4DU",
        ripCom: "COM3",
        sendRipId: "05 03 00 00 00 09",
        ripBackStart: "05 03",
        recieveRipLength: 23,
        ripComInstence: genSerialport({ path: "COM3" }),
      },
      {
        key: "WLK10A",
        ripCom: "COM4",
        execFun: ["WLK10AU", "WLK10AD"],
        sendRipId: "01 03 00 00 00 02",
        ripBackStart: "01 03",
        recieveRipLength: 9,
        ripComInstence: genSerialport({ path: "COM4" }),
      },
      {
        key: "TR4DM",
        ripCom: "COM2",
        sendRipId: "05 03 00 00 00 09",
        ripBackStart: "05 03",
        recieveRipLength: 23,
        ripComInstence: genSerialport({ path: "COM2" }),
      },
      {
        key: "TR4DD",
        ripCom: "COM1",
        sendRipId: "05 03 00 00 00 09",
        ripBackStart: "05 03",
        recieveRipLength: 23,
        ripComInstence: genSerialport({ path: "COM1" }),
      },
      {
        key: "relay",
        ripCom: "COM7",
        // sendRipId: ["08 01 00 41 00 08", "02 01 00 41 00 08"],
        sendRipId: ["08 01 00 41 00 08"],
        // ripBackStart: ["01 01 01", "02 01 01"],
        ripBackStart: ["08 01 01"],
        recieveRipLength: 6,
        ripComInstence: genSerialport({ path: "COM7" }),
      },
      // {
      //   key: "COM6",
      //   ripCom: "COM6",
      //   sendRipId: ["01 01 00 41 00 08", "02 01 00 41 00 08"],
      //   ripBackStart: ["01 01 01", "02 01 01"],
      //   recieveRipLength: 6,
      //   ripComInstence: genSerialport({ path: "COM6" }),
      // },
    ]
    this.app.mqttServe = mqtt.connect("mqtt://127.0.0.1:1883", {
      clean: true,
      connectTimeout: 4000,
      clientId: 'COM-' + Math.random().toString(16).substring(2),
    });
    this.app.mqttServe.on("connect", function () {
      console.log("appmqtt服务器连接成功");
    });
  }
}

module.exports = AppBootHook;