subject-two/entry/src/main/ets/common/rearEndUnitsTool/aio/aioClass.ts

import systemTime from '@ohos.systemDateTime';
import { PLCGPSData } from '../../../mock/PLCGPSData';
import {
  OpenSerialPort,
  ReceiveSerialPortDataBySelf,
  InitSerialPortData,
  CancelReceiveSerialPortData,
  SendSerialPortData,
  CloseSerialPort,
} from '../../utils/aioTool'

import { GlobalConfig } from '../../../config'

export default class AIO {
  obdFd: number
  gpsFd: number
  sensor: Object = {}
  gps: Object = {}
  obdStr: string = ''
  gpsStr: string =''
  // 定位状态异常次数
  dwztErrorNumber:number = 0

  constructor() {
    this.init()
  }

  async init() {
    await this.getObd()
    await this.getGps()
  }

  public async getObd() {
    //打开obd串口
    this.obdFd = await OpenSerialPort(GlobalConfig.serialPortConfig.obd.path);
    //初始化串口
    await InitSerialPortData(this.obdFd, 115200);

    //发送一段数据
    const data = this.convertToASCII('LOG VERSION')
    const res = await SendSerialPortData(this.obdFd, data)

    ReceiveSerialPortDataBySelf(this.obdFd, async (res1, res2, res3, res4) => {
      // console.log(res1.toString(), res2.toString(), res3.toString(), "接受数据");
      let buffer = this.arrayToBuffer(res3)
      let dataView = new DataView(buffer)
      let str = ""
      for (let i = 0; i < dataView?.byteLength; ++i) {
        let c = String.fromCharCode(dataView?.getUint8(i))
        if (c !== "\n") {
          str += c
        }
      }
      //
      // //获取档位信号
      // const {sensor} = plcStrToJson(str)
      // this.sensor = sensor;
      this.obdStr = str
    })

  }

  public async getGps() {
    //打开gps串口
    this.gpsFd = await OpenSerialPort(GlobalConfig.serialPortConfig.gps.path);
    //初始化串口
    await InitSerialPortData(this.gpsFd, 115200);
    ReceiveSerialPortDataBySelf(this.gpsFd, async (res1, res2, res3, res4) => {
      // console.log(res1.toString(), res2.toString(), res3.toString(), "接受数据");
      let buffer = this.arrayToBuffer(res3)
      let dataView = new DataView(buffer)
      let str = ""
      for (let i = 0; i < dataView?.byteLength; ++i) {
        let c = String.fromCharCode(dataView?.getUint8(i))
        if (c !== "\n") {
          str += c
        }
      }
      this.gpsStr = str;
    })
  }

  //副板gps端口重连
  public reConnect = async () => {
    const {dwztErrorNumber,gpsFd,getGps} = this;
    if(dwztErrorNumber >= 25){
      this.dwztErrorNumber = 0;
      await CancelReceiveSerialPortData(gpsFd)
      CloseSerialPort(gpsFd)
      await getGps()
    }
  }

  //组装obd&gps数据
  public handleMsg() {
    let newMessage = PLCGPSData;

    if (this.obdStr) {
      const PLCByteArr = this.obdStr.split(',')
      PLCByteArr.forEach((item, index) => {
        newMessage[index] = item;
        //档位
        if(index === 28){
          newMessage[28] = (globalThis.chuankoMsg == '0' || globalThis.chuankoMsg == '' ||globalThis.chuankoMsg == undefined)? item: globalThis.chuankoMsg
        }
      })
    }
    if (this.gpsStr) {

      let GPGGAMatch = this.gpsStr.match(/\$GPGGA[^$]*/);
      let GPGGAMsgArr = GPGGAMatch ? GPGGAMatch[0]?.split(",").slice(0, 15) : [];
      //   使用正则提取$GPRMC消息
      let GPRMCMatch = this.gpsStr.match(/\$GPRMC[^$]*/);
      let GPRMCMsgArr = GPRMCMatch ? GPRMCMatch[0]?.split(",").slice(0, 14) : [];
      //   使用正则表达式提取$GPGST消息
      let GPGSTMatch = this.gpsStr.match(/\$GPGST[^$]*/);
      let GPGSTMsgArr = GPGSTMatch ? GPGSTMatch[0]?.split(",").slice(0, 9) : [];
      //   使用正则提取$PTNL消息
      let PTNLMatch = this.gpsStr.match(/\$PTNL[^$]*/);
      let PTNLMsgArr = PTNLMatch ? PTNLMatch[0].split(",")?.slice(0, 14) : [];

      //@ts-ignore 板卡类型
      newMessage[56] = '1'
      //   组合GPS数据
      // 状态83
      newMessage[83] = GPGGAMsgArr[6];
      // 收星数84
      newMessage[84] = GPGGAMsgArr[7];
      // 海拔高85
      newMessage[85] = GPGGAMsgArr[9];
      // 高度差86
      newMessage[86] = GPGGAMsgArr[11];
      // 龄期87
      newMessage[87] = GPGGAMsgArr[13];
      // 维度因子88
      newMessage[88] = GPGSTMsgArr[6];
      // 经度因子89
      newMessage[89] = GPGSTMsgArr[7]
      // 航向角90
      newMessage[90] = PTNLMsgArr[3];
      // 俯仰角91
      newMessage[91] = PTNLMsgArr[5];
      // 航向角状态-收星数92
      newMessage[92] = PTNLMsgArr[10] + '-' + (PTNLMsgArr[12] && PTNLMsgArr[12].split('*')[0]);
      //  年月日93 RMCMsgArr[9]为ddmmyy 日月年 转换为年月日
      newMessage[93] =
        GPRMCMsgArr[9] && (GPRMCMsgArr[9].slice(0, 2) + GPRMCMsgArr[9].slice(2, 4) + GPRMCMsgArr[9].slice(4, 6));
      // 时分秒94 GPGGAMsgArr[1]为021126.00去掉小数点后的时间
      newMessage[94] = GPGGAMsgArr[1] && GPGGAMsgArr[1].replace(".", "");
      // 经度95
      newMessage[95] = GPGGAMsgArr[4];
      // 纬度96
      newMessage[96] = GPGGAMsgArr[2];
      // 速度97
      newMessage[97] = GPRMCMsgArr[7];
    }


    return newMessage.map(item => {
      return item === undefined?'':item
    }).join(",")
  }
  // 关闭串口和监听
  public closeMessage = () => {
    const {obdFd,gpsFd} = this;
    CancelReceiveSerialPortData(obdFd)
    CancelReceiveSerialPortData(gpsFd)
    // CloseSerialPort(obdFd)
    // CloseSerialPort(gpsFd)
  }

  //发送差分改正数字
  public sendDiffCorrections = (data) => {
    const {gpsFd} = this;
    let arr = []
    if(data?.byteLength){
      // console.info('surenjun 一体机发送差分数据',data?.byteLength)
      let dataView = new DataView(data)
      let str = ""
      for (let i = 0; i < dataView?.byteLength; ++i) {
        arr.push(dataView?.getUint8(i))
      }
    }
    const temp = SendSerialPortData(gpsFd,arr);
  }

  public convertToASCII = (input: string): number[] => {
    return input.split('').map(char => char.charCodeAt(0));
  }

  arrayToBuffer(arr: number[]): ArrayBuffer {
    const buffer = new ArrayBuffer(arr.length);
    const view = new DataView(buffer);
    arr.forEach((value, index) => {
      view.setUint8(index, value);
    });
    return buffer;
  }
}