【信息系統分析與設計】控制檯應用開發-實時數據通訊

在一個C#控制檯應用程序中，Web應用主機端利用HostLink通信規約定時向PLC下位機發送TS和RD命令。Web主機端根據下位機應答的HostLink數據報文刷新實時監測窗體

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

using PROTOCOLINTERPRETATIONCOMLib;

namespace dfConApp
{
    class Program
    {
        //聲明COM組件
        private static ProtocolInterpretation myCommand_ATL = new ProtocolInterpretation();
        private static IProtocolInterpretation myCommand = (IProtocolInterpretation)myCommand_ATL;
        //定義信號量
        private static Semaphore ccout, ccin;
        //aa存儲報文
        private string aa;
        //服務器與客戶端連接狀態status，指令起始終止位置st，en
        private int status,st,en;
        static void Main(string[] args)
        {
            Program pro = new Program();
            //信號量初始化
            //打印信息報文信號量
            ccout = new Semaphore(0, 1);
            //接收信息報文信號量
            ccin = new Semaphore(1, 1);
            //定義初始化線程
            //打印信息報文線程
            Thread Ccout = new Thread(pro.ccRead);
            //接收信息報文線程
            Thread Ccin = new Thread(pro.ccWrite);
            Console.WriteLine("請分別輸入要獲取的字段位置數：");
            pro.st = int.Parse(Console.ReadLine());
            pro.en = int.Parse(Console.ReadLine());
            //檢測指令範圍超出異常
            if (pro.st >=1 && pro.st  <= 11 && pro.st+pro.en<12)
            {
                Ccout.Start();
                Ccin.Start();
            }
            else
            {
                Console.WriteLine("獲取範圍超出異常！！");
            }

        }
        //十六機制轉十進制
        public string Hex2Ten(string hex)
        {
            int ten = 0;
            for (int i = 0, j = hex.Length - 1; i < hex.Length; i++)
            {
                ten += HexChar2Value(hex.Substring(i, 1)) * ((int)Math.Pow(16, j));
                j--;
            }
            return ten.ToString();
        }
        
        public int HexChar2Value(string hexChar)
        {
            switch (hexChar)
            {
                case "0":
                case "1":
                case "2":
                case "3":
                case "4":
                case "5":
                case "6":
                case "7":
                case "8":
                case "9":
                    return Convert.ToInt32(hexChar);
                case "a":
                case "A":
                    return 10;
                case "b":
                case "B":
                    return 11;
                case "c":
                case "C":
                    return 12;
                case "d":
                case "D":
                    return 13;
                case "e":
                case "E":
                    return 14;
                case "f":
                case "F":
                    return 15;
                default:
                    return 0;
            }
        }
        //獲取下位機的指令
        public void ccRead()
        {
            int DeviceNo = 1;
            
            while (true)
            {
                ccin.WaitOne();
                status = myCommand.TestDevice(DeviceNo);
                if (status == 1)
                {
                    Console.WriteLine("設備連接正常");
                    myCommand.ReadDMValue(DeviceNo, out aa, out status); //DateTime.Now.ToString();
                    
                }
                else
                {
                    Console.WriteLine("設備故障！！");
                }
                Console.WriteLine("---------------");
                Thread.Sleep(500);
                ccout.Release();
            }
           
            
        }
        //向控制檯輸出，打印
        public void ccWrite()
        {
            String[] str = { "卷繞速度SET：", "分SET：", "加速時間：", "減速時間：", "空桶直徑xx.x：", "振幅：", "階躍：", "加速：", "減速：", "滿筒超率：", "空筒超位率：" };
            while (true)
            {
                ccout.WaitOne();
               
                if (status == 1)
                {
                    for (int i = st; i <= en; i++)
                    {
                        Console.WriteLine(str[i] + Hex2Ten(aa.Substring((i - 1), 4)));
                    }
                    
                }
                else
                {
                    for (int i = st; i <= en; i++)
                    {
                        Console.WriteLine(str[i] + " ");
                    }
                }
                Console.WriteLine("===============\n");
                Thread.Sleep(500);
                ccin.Release();
            }
            
        }
    }
}