优化串口重连

chenyc

2024-12-10 b5646e3f08bf45a27a3db92f5e27568a5448cb03

 src/samples/deviceApi/taiHengM523.ts

@@ -1,62 +1,131 @@
// 欧姆龙 HBP-9030 115200 
import { ElMessage } from 'element-plus'
import { ElMessage, ElMessageBox } from 'element-plus'
const { SerialPort } = require('serialport')
const { DelimiterParser } = require('@serialport/parser-delimiter')
const { ReadyParser } = require('@serialport/parser-ready')
import {sockteStore} from '@/stores/sockteInfo'
import { ipcRenderer } from 'electron'



// 设置重连间隔和最大重试次数
const RECONNECT_INTERVAL = 10000; // 重连间隔10秒
const MAX_RECONNECT_ATTEMPTS = 10; // 最大重试次数10次

let reconnectAttempts = 0; // 当前重试次数
let serialPort:any; // 串口实例


const initPort=(path:String,baudRate:Number)=>{
    console.log('初始化打开台衡M523体重秤端口')
    const serialport  = new SerialPort({ path, baudRate }, (err: any) => {
        if (err) {
            console.log(err)
            ElMessage({
                message: '台衡M523体重秤端口打开失败！',
                type: 'error',
    if(reconnectAttempts!==0){
        console.log('ssss',reconnectAttempts)
        ipcRenderer.invoke('logger', '串口重连第${reconnectAttempts}次')
        ElMessage({
            message: `串口重连第${reconnectAttempts}次启动`,
            type: 'success',
        })
    }
    if (reconnectAttempts >= MAX_RECONNECT_ATTEMPTS) {
        console.error('重试次数达到上限，不再尝试重连。');
        ipcRenderer.invoke('logger', '串口已经重连了${reconnectAttempts}次了，点击确认关闭程序，重启电脑后再试')
        ElMessageBox.confirm(
            `串口已经重连了${reconnectAttempts}次了，点击确认关闭程序，重启电脑后再试`,
            'Warning',
            {
              confirmButtonText: '确认',
              cancelButtonText: '取消',
              type: 'warning',
            }
          )
            .then(() => {
                ipcRenderer.send('winClose')
                ipcRenderer.invoke('logger', '确认了关闭程序')
            })
            console.log(err)
        }else{
            ElMessage({
                message: '台衡M523体重秤端口打开成功',
                type: 'success',
            .catch(() => {
              ElMessage({
                type: 'info',
                message: '取消操作',
              })
            })
        } 
    })
    serialport.on("close",(err: any)=>{
        console.log('台衡M523体重秤端口异常端口链接断开')
        console.log(err)
    })
    // 解析分割数据流
    //ST,GS 70.4kg
    //
    //
    //
    //
    //
    // 53 54 2C 47 53 20 37 30 2E 34 6B 67 0D 0A  HEX
    const parser = serialport.pipe(new DelimiterParser({ delimiter:Buffer.from([107,103,13,10]),includeDelimiter:true }))
    parser.on('data', (value: string | any[])=>{
        console.log(value.toString())
        const str=value.toString()
        const list=str.split(' ')
        console.log(list)
        if(list.length===2&&list[0].search('ST,GS')!==-1){
            const re=list[1].trim()
            const res=re.substring(0,re.length-2)
            console.log(res,'获取到的体重')
            sockteStore().setweightSockte(
                {
                    deviceName:'台衡M523',
                    type:"体重秤",
                    result:res,
                    resultTime:new Date().toString(),
                    state:2
                }
            )
        }else{
            console.log('数据格式不对')
        }
    }) // all data after READY is received
        return;
    }
    if (serialPort && serialPort.isOpen) {
        reconnectAttempts=0
        console.log('串口已打开，不再重复打开。');
        return;
    }
    try {
        const serialport  = new SerialPort({ path, baudRate }, (err: any) => {
            reconnectAttempts++
            if (err) {
                console.log(err)
                ipcRenderer.invoke('logger', ' M523体重秤端口打开失败！')
                ElMessage({
                    message: ' M523体重秤端口打开失败！',
                    type: 'error',
                })
                setTimeout(()=>{
                    initPort(path,baudRate)
                }, RECONNECT_INTERVAL);
            }else{
                reconnectAttempts=0
                ipcRenderer.invoke('logger', ' M523体重秤端口打开成功')
                ElMessage({
                    message: ' M523体重秤端口打开成功',
                    type: 'success',
                })
            } 
        })
        serialport.on("close",(err: any)=>{
            ipcRenderer.invoke('logger', ' M523体重秤端口异常端口链接关闭')
            console.log(' M523体重秤端口异常端口链接断开')
            reconnectAttempts=0
            setTimeout(()=>{
                initPort(path,baudRate)
            }, RECONNECT_INTERVAL);
            console.log(err)
        })
        // 解析分割数据流
        //ST,GS 70.4kg
        //
        //
        //
        //
        //
        // 53 54 2C 47 53 20 37 30 2E 34 6B 67 0D 0A  HEX
        const parser = serialport.pipe(new DelimiterParser({ delimiter:Buffer.from([107,103,13,10]),includeDelimiter:true }))
        parser.on('data', (value: string | any[])=>{
            console.log(value.toString())
            const str=value.toString()
            const list=str.split(' ')
            console.log(list)
            if(list.length===2&&list[0].search('ST,GS')!==-1){
                const re=list[1].trim()
                const res=re.substring(0,re.length-2)
                console.log(res,'获取到的体重')
                sockteStore().setweightSockte(
                    {
                        deviceName:'台衡M523',
                        type:"体重秤",
                        result:res,
                        resultTime:new Date().toString(),
                        state:2
                    }
                )
            }else{
                console.log('数据格式不对')
            }
        }) 
    }
    catch (error:any) {
        console.error('无法创建串口实例:', error.message);
        reconnectAttempts=0
        setTimeout(()=>{
            initPort(path,baudRate)
        }, RECONNECT_INTERVAL);
    }
    
}

export {