form1.cs

win ce 串口调试,通过串口通讯收发数据

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsCE.Forms;


namespace DeviceApplication4
{
 
    public partial class Form1 : Form
    {
        public
            string str;
        MsgWindow MsgWin;
        Message msg;
        Boolean bHexFlag;

        public Form1()
        {
            InitializeComponent();
            comboBox1.SelectedIndex = 0;
            comboBox2.SelectedIndex = 3;
            comboBox3.SelectedIndex = 0;
            comboBox4.SelectedIndex = 0;
            comboBox5.SelectedIndex = 0;
            this.MsgWin = new MsgWindow(this);
            this.msg = Message.Create(MsgWin.Hwnd, MsgWindow.WM_CUSTOMMSG, (IntPtr)0, (IntPtr)0);
            bHexFlag = false;
            //hndl= this.Handle;
         }

        private void SetCom()
        {
            serialPort1.Close();
            serialPort1.PortName = comboBox1.Text;
            serialPort1.BaudRate = int.Parse(comboBox2.Text.Trim());
            if (comboBox3.SelectedIndex == 0)
                serialPort1.Parity = System.IO.Ports.Parity.None;
            else if (comboBox3.SelectedIndex == 1)
                serialPort1.Parity = System.IO.Ports.Parity.Odd;
            else
                serialPort1.Parity = System.IO.Ports.Parity.Even;

            serialPort1.DataBits = int.Parse(comboBox4.Text.Trim());

            if (comboBox5.SelectedIndex == 0)
                serialPort1.StopBits = System.IO.Ports.StopBits.One;
            else
                serialPort1.StopBits = System.IO.Ports.StopBits.Two;

            serialPort1.Handshake = System.IO.Ports.Handshake.None;
            serialPort1.ReadBufferSize = 4096;
            serialPort1.Open();
            if (serialPort1.IsOpen)
            {
                MessageBox.Show("打开" + serialPort1.PortName + "成功！");
                button3.Text = "关闭串口";
            }
            else
                MessageBox.Show("打开" + serialPort1.PortName + "失败！");


        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
            else
                SetCom();
        }

        private string ConvertToHex(string asciiString)
        {
            string hex = "";
            foreach (char c in asciiString)
            {
                int tmp = c;
                hex += String.Format("{0:x2}", (uint)System.Convert.ToUInt32(tmp.ToString()));
            }
            return hex;
        } 

       private int chartohex(char chr1,char chr2)
       {
           int cTemp1, cTemp2;
           if (chr1 > '9' && chr1 <= 'F')
               cTemp1 = chr1- 'A' + 10;
           else if (chr1 >= '0' && chr1 <= '9')
               cTemp1 = chr1 - '0';
           else
               cTemp1 =0;

           if (chr2 > '9' && chr2 <= 'F')
               cTemp2 = chr2- 'A' + 10;
           else if(chr2 >= '0' && chr2 <= '9')
               cTemp2 = chr2 - '0';
           else
                cTemp2=0;
            cTemp2 += cTemp1 * 0x10;
           return cTemp2;
       }

        private void sendHexData(string strData)
        {
           int i,iLen;
           //string strtemp="";
           Byte[] chrdata = new Byte[100];
           strData=strData.ToUpper();
           strData=strData.Replace(" ", "");
           iLen = strData.Length;
            iLen = iLen / 2;
            for (i = 0; i < iLen; i++)
            {
                chrdata[i] = (Byte)chartohex(strData[2 * i], strData[2 * i + 1]);
            }
            
            //str`ing strtemp = ConvertToHex(strData);
            serialPort1.Write(chrdata,0,i);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (!checkBox2.Checked)
                serialPort1.Write(textBox2.Text);
            else
                sendHexData(textBox2.Text.Trim());

        }

        public void RespondToMessage(int x, int y)
        {
            //this.Text = "X = " + x.ToString() + ", Y= " + y.ToString();
            this.textBox1.Text+= str;
        }

        private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            Byte[] chrdata = new Byte[200];
             int i,iLen;
          /*    str="";
            if (!bHexFlag)
               str = serialPort1.ReadChar().ToString();
             else
               str = serialPort1.ReadByte().ToString("X");
                */
             str = "";
             iLen = serialPort1.BytesToRead;
             serialPort1.Read(chrdata, 0, iLen);
            if (!bHexFlag)
            {
                char[] cpara = System.Text.Encoding.Default.GetChars(chrdata);
                str = new String(cpara); 

            }
       //          for (i = 0; i < iLen; i++)
              //     str += chrdata[i].ToString("C") + " ";
            else
            {
                for (i = 0; i < iLen; i++)
                    str += chrdata[i].ToString("X2") + " ";

            }
            // str += "\r\n";
             MessageWindow.SendMessage(ref msg);


          
        }

        private void checkBox1_CheckStateChanged(object sender, EventArgs e)
        {
            if (checkBox1.Checked)
                bHexFlag = true;
            else
                bHexFlag = false;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.textBox1.Text = "";
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
           // else
              //  button3.Text == "关闭串口";
        }

        private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
        }

        private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
        }

        private void comboBox4_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
        }

        private void comboBox5_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (button3.Text == "关闭串口")
            {
                serialPort1.Close();
                button3.Text = "打开串口";
            }
        }

        private void checkBox3_CheckStateChanged(object sender, EventArgs e)
        {
            if(checkBox3.Checked)
            timer1.Enabled = true;
            else
            timer1.Enabled = false;
    }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (!checkBox2.Checked)
                serialPort1.Write(textBox2.Text);
            else
                sendHexData(textBox2.Text.Trim());

        }

    }

    // Derive MessageWindow to respond to
    // Windows messages and to notify the
    // form when they are received.
    public class MsgWindow : MessageWindow
    {
        // Assign integers to messages.
        // Note that custom Window messages start at WM_USER = 0x400.
        public const int WM_CUSTOMMSG = 0x0400;


        // Create an instance of the form.
        private Form1 msgform;

        // Save a reference to the form so it can
        // be notified when messages are received.
        public MsgWindow(Form1 msgform)
        {
            this.msgform = msgform;
        }

        // Override the default WndProc behavior to examine messages.
        protected override void WndProc(ref Message msg)
        {
            switch (msg.Msg)
            {
                // If message is of interest, invoke the method on the form that
                // functions as a callback to perform actions in response to the message.
                case WM_CUSTOMMSG:
                    this.msgform.RespondToMessage((int)msg.WParam, (int)msg.LParam);
                    break;
            }
            // Call the base WndProc method
            // to process any messages not handled.
            base.WndProc(ref msg);
        }
    }

}