优化串口重连

chenyc

2024-12-10 b5646e3f08bf45a27a3db92f5e27568a5448cb03

 src/samples/deviceApi/TM2655VP.ts

@@ -1,53 +1,161 @@
// 6.诊之助 TM2655VP
import { ElMessage } from 'element-plus'
import { ElMessage, ElMessageBox, ElNotification } from 'element-plus'
const { SerialPort } = require('serialport')
const { DelimiterParser } = require('@serialport/parser-delimiter')
const { ByteLengthParser } = require('@serialport/parser-byte-length')
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('初始化打开诊之助 TM2655VP端口')
    const serialport  = new SerialPort({ path, baudRate }, (err: any) => {
        if (err) {
            console.log(err)
            ElMessage({
                message: '诊之助 TM2655VP端口打开失败！',
                type: 'error',
            })
            console.log(err)
        }else{
            ElMessage({
                message: '诊之助 TM2655VP端口打开成功',
                type: 'success',
            })
        } 
    })
    serialport.on("close",(err: any)=>{
        console.log('诊之助 TM2655VP端口异常端口链接断开')
        console.log(err)
    })
    // 解析分割数据流
    const parser = serialport.pipe(new ByteLengthParser({ length: 32*2 }))
    parser.on('data', (value: string | any[])=>{
        console.log(value.toString())
        const str=value.toString()
        console.log(str.length)
        const re=str.substring(34,37)+','+str.substring(39,41)+','+str.substring(44,46)
        console.log(re)
        if(str.length>=11){
            sockteStore().setxyjSockte(
              {
                  deviceName:'TM2655VP',
                  type:"血压计",
                  result:str.substring(34,37)+','+str.substring(44,47)+','+str.substring(49,52),
                  resultTime:new Date().toString(),
                  state:2
              }
    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')
            })
            .catch(() => {
              ElMessage({
                type: 'info',
                message: '取消操作',
              })
            })
        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', '诊之助端口打开失败！')
                ElNotification.warning({
                    title: '警告',
                    message: '诊之助端口打开失败！',
                    showClose: false,
                    duration:10000
                  })
                setTimeout(()=>{
                    initPort(path,baudRate)
                }, RECONNECT_INTERVAL);
            }else{
                reconnectAttempts=0
                ipcRenderer.invoke('logger', '诊之助端口打开成功')
                ElMessage({
                    message: '诊之助端口打开成功',
                    type: 'success',
                })
            } 
        })
        serialport.on("close",(err: any)=>{
            ipcRenderer.invoke('logger', '诊之助端口异常端口链接关闭')
            console.log('诊之助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
        const parser = serialport.pipe(new ByteLengthParser({ length: 32*2 }))
        parser.on('data', (value: string | any[])=>{
            console.log(value.toString())
            const str=value.toString()
            console.log(str.length)
            const re=str.substring(34,37)+','+str.substring(39,41)+','+str.substring(44,46)
            console.log(re)
            if(str.length>=11){
                sockteStore().setxyjSockte(
                {
                    deviceName:'TM2655VP',
                    type:"血压计",
                    result:str.substring(34,37)+','+str.substring(44,47)+','+str.substring(49,52),
                    resultTime:new Date().toString(),
                    state:2
                }
            )
            }
            
        })
        
    })
    }
    catch (error:any) {
        console.error('无法创建串口实例:', error.message);
        reconnectAttempts=0
        setTimeout(()=>{
            initPort(path,baudRate)
        }, RECONNECT_INTERVAL);
    }
    
    // const serialport  = new SerialPort({ path, baudRate }, (err: any) => {
    //     if (err) {
    //         console.log(err)
    //         ElMessage({
    //             message: '诊之助 TM2655VP端口打开失败！',
    //             type: 'error',
    //         })
    //         console.log(err)
    //     }else{
    //         ElMessage({
    //             message: '诊之助 TM2655VP端口打开成功',
    //             type: 'success',
    //         })
    //     } 
    // })
    // serialport.on("close",(err: any)=>{
    //     console.log('诊之助 TM2655VP端口异常端口链接断开')
    //     console.log(err)
    // })
    // // 解析分割数据流
    // const parser = serialport.pipe(new ByteLengthParser({ length: 32*2 }))
    // parser.on('data', (value: string | any[])=>{
    //     console.log(value.toString())
    //     const str=value.toString()
    //     console.log(str.length)
    //     const re=str.substring(34,37)+','+str.substring(39,41)+','+str.substring(44,46)
    //     console.log(re)
    //     if(str.length>=11){
    //         sockteStore().setxyjSockte(
    //           {
    //               deviceName:'TM2655VP',
    //               type:"血压计",
    //               result:str.substring(34,37)+','+str.substring(44,47)+','+str.substring(49,52),
    //               resultTime:new Date().toString(),
    //               state:2
    //           }
    //       )
    //     }
        
    // })
}

export {