优化串口重连

chenyc

2024-12-10 b5646e3f08bf45a27a3db92f5e27568a5448cb03

 src/samples/deviceApi/M503.ts

@@ -1,62 +1,145 @@
// 欧姆龙 HBP-9030 115200 
import { ElMessage } from 'element-plus'
import { ElMessage, ElMessageBox, ElNotification } 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'
import console from 'console'


// 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M503体重秤端口')
    const serialport  = new SerialPort({ path, baudRate }, (err: any) => {
        if (err) {
            console.log(err)
            ElMessage({
                message: '台衡M503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${reconnectAttempts}次')
        ElMessage.warning({
            message: `串口重连第${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M503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M503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
    //
    //
    //
    //
    //
    // 55 53 2C 47 53 20 20 20 20 36 30 2E 35 6B 67 0D 0A  HEX
    const parser = serialport.pipe(new DelimiterParser({ delimiter:Buffer.from([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===5&&list[0].search('ST,GS')!==-1){
            const re=list[4].trim()
            const res=re.substring(0,re.length-2)
            console.log(res,'获取到的体重')
            sockteStore().setweightSockte(
                {
                    deviceName:'台衡M503',
                    type:"体重秤",
                    result:res,
                    resultTime:new Date().toString(),
                    state:2
        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', 'M503体重秤端口打开失败！')
                ElNotification.warning({
                    title: '警告',
                    message: 'M503体重秤端口打开失败！',
                    showClose: false,
                    duration:10000
                  })
                setTimeout(()=>{
                    initPort(path,baudRate)
                }, RECONNECT_INTERVAL);
            }else{
                reconnectAttempts=0
                ipcRenderer.invoke('logger', 'M503体重秤端口打开成功')
                ElMessage({
                    message: 'M503体重秤端口打开成功',
                    type: 'success',
                })
            } 
        })
        serialport.on("close",(err: any)=>{
            ipcRenderer.invoke('logger', 'M503体重秤端口异常端口链接关闭')
            console.log('M503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 20 20 20 20 30 2E 30 6B 67 0D 0A   0.0kg
        //
        // 55 53 2C 47 53 20 20 20 20 31 33 30 2E 35 6B 67 0D 0A   135
        // 53 54 2C 47 53 20 20 20 31 33 39 2E 39 6B 67 0D 0A   ST,GS   139.9kg
        // 55 53 2C 47 53 20 20 20 20 36 30 2E 35 6B 67 0D 0A  HEX
        const parser = serialport.pipe(new DelimiterParser({ delimiter:Buffer.from([13,10]),includeDelimiter:true }))
        parser.on('data', (value: string | any[])=>{
            const str=value.toString()
            const list=str.split(' ')
            console.log('解析体重数值',list)
            if(list.length>=4&&list[0].search('ST,GS')!==-1){
                const re=list[list.length-1].trim()
                const res=re.substring(0,re.length-2)
                console.log('提前到有用的体重数值',res)
                if(Number(res)>=20){
                    console.log('更新体重',res)
                    sockteStore().setweightSockte(
                        {
                            deviceName:'台衡M503',
                            type:"体重秤",
                            result:res,
                            resultTime:new Date().toString(),
                            state:2
                        }
                    )
                }else{
                    const retst=Number(res)
                    if(retst<1){
                        // 体重接收小于1 就算初始化了
                        sockteStore().setis测量准备(true)
                        console.log('体重小于1千克,体重归零状态打开',)
                    }
                   
                }
            )
        }else{
            console.log('数据格式不对')
        }
    }) // all data after READY is received
                
            }else{
                // console.log('数据格式不对')
            }
        }) // all data after READY is received
    }
    catch (error:any) {
        console.error('无法创建串口实例:', error.message);
        reconnectAttempts=0
        setTimeout(()=>{
            initPort(path,baudRate)
        }, RECONNECT_INTERVAL);
    }
    
    
}

export {