0

我正在编写一个类库，它使用串行端口使用专有协议从设备传输数据。

当我用作 Windows 窗体应用程序时，它运行良好。我将它转换为类库的那一刻，它在处理完第一位数据后结束。是否需要进行一些线程处理以防止它仅将其返回给调用它的应用程序？在将控制权返回给调用它的应用程序之前，它需要确保已经收集了来自设备的所有数据。

这是提前结束的完整代码：

using System;
using System.Text;
using System.IO.Ports;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
     using System.Runtime.InteropServices;

     namespace ValidataDex
     {



    public class DexLib
    {

        public Crc16 c = new Crc16();
        public Search s = new Search();

        const ushort polynomial = 0xA001;

        ushort[] table = new ushort[256];

        SerialPort port = null; // create port so it can be used and seen everywhere

        int good = 0;  // is dex good 

        public string myblock;

        public delegate void SetTextDeleg(byte[] text);
        public int count;

        public string stage = "initial";
        public string position = "";

        public string crcstuff = "";
        public byte[] crcdata;

        public int lastsent = 0;

        public int audit = 0;
        public char etboretx;
        public int gotenq = 0;
        public int x = 2;
        public int positiondetermined = 0;

        // Dex Commands
        public byte NUL = 0x00;
        public byte SOH = 0x01;
        public byte STX = 0x02;
        public byte ETX = 0x03;
        public byte EOT = 0x04;
        public byte ENQ = 0x05;
        public byte ACK = 0x06;
        public byte DLE = 0x10;
        public byte NAK = 0x15;
        public byte SYN = 0x16;
        public byte ETB = 0x17;
        public string Dex;
        public int rte=0;

        public string CHANGER_IS_SLAVE = "9252130100RR01L01";

        byte zero = 0x30;
        byte one = 0x31;

        public void Data_Received(object sender, SerialDataReceivedEventArgs e)
        {
            SerialPort sp = (SerialPort)sender;
            count = port.BytesToRead;
            byte[] data = new byte[count];
            port.Read(data, 0, data.Length);

            // audit function activated by a file named debug residing in application directory
            string path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
            if (audit == 1 || File.Exists(path + @"\debug.txt"))
            {
                x = 0;
                foreach (byte b in data)
                {
                    audit_file(1, "stage:"+stage+" command:"+getdexcommand(b)+" pos det:"+positiondetermined);
                    //                textBox1.Text += getdexcommand(b);
                    x++;
                }
            }


            try
            {
                // wait for device to transmit a DLE to begin DEX
                if (data[0] == DLE || positiondetermined == 1)
                {
                     DexasMaster(data);
                }
            }
            catch (Exception ee)
            {
                audit_file(2, ee.InnerException.ToString());
            }
        }
4

1 回答 1

0

答案是提供足够长的 Thread.Sleep 来处理所有数据。在那之后，它就像一个魅力。

于 2012-05-14T16:39:14.780 回答