DataProcess/COMConnect.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO.Ports;
using System.Windows.Forms;
using AgingTest.Tools;

namespace AgingTest.DataProcess
{
    /// <summary>
    /// 用于管理串口相关工作
    /// </summary>
    class COMConnect
    {
        
        
        /// <summary>
        /// 定义数据上传委托
        /// </summary>
        /// <param name="strMsg">发送给主窗体的消息</param>
        public delegate void ExecUploadEvent(string strMsg,byte[] buffer);

        /// <summary>
        /// 定义ExecUploadEvent委托事件
        /// </summary>
        public static event ExecUploadEvent OnExecUploadEvent;

        //定义串口出错消息
        public delegate void COMErrMsgEvent(string Msg);
        public static event COMErrMsgEvent OnCOMErrMsgEvent;

        public static SerialPort COM1 = new SerialPort();
        public static byte[] RecieveBuff = new byte[2048];//全局缓冲接收区
        //接收等待信号量
        public static bool WaitForRecive = false;

        //数据是否接收完标示符
        private static bool IsComplete = true;     //true：表明在等待接收新的数据    false：继续组装上一次的数据       
        private static int CurrentInsert = 0;  //当前需要的插入点
        private static int IndexStart = 0;      //数据起始位置
        private static int ValidateLen = 0;     //有效的数据长度

        /// <summary>
        /// 打开串口
        /// </summary>
        /// <returns></returns>
        public static string ComOpen()
        {
            try
            {
                COM1.Open();
                COM1.DataReceived += new SerialDataReceivedEventHandler(COM1_DataReceived);
                return "OK";

            }
            catch (Exception ex)
            {