mainform.cs

win ce串口通讯调试程序通过RS232协议一PC机通讯

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;

namespace CSharpDevice
{
    public partial class MainForm : Form
    {
        string InputData = String.Empty;
        delegate void SetTextCallback(string text);
        public MainForm()
        {
            InitializeComponent();

            string[] ports = SerialPort.GetPortNames();

            // Add all port names to the combo box:
            foreach (string port in ports)
            {
                this.cmbCOMPort.Items.Add(port);
            }
        }

        private void btnGPRSConnect_Click(object sender, EventArgs e)
        {
            string strAPN = this.textAPN.Text.Trim();
            if (strAPN.Length <= 0) strAPN = "GPRS";
            //Urovo.DHC3500.Init(strAPN);
            //Urovo.DHC3500.Connect(1);
            if (!Urovo.DHC3500.GetGprsPowerStatus())
            {
                if (!Urovo.DHC3500.EnableGprs())
                {
                    this.textGPRSProcess.Text = "Can't turn on GPRS power!";
                    return;
                }
            }
            if (!Urovo.DHC3500.GPRS_Status())
            {
                if (!Urovo.DHC3500.GPRS_Connect(strAPN))
                {
                    this.textGPRSProcess.Text = "Can't connect to GPRS, please retry later!";
                    return;
                }
            }
            this.textGPRSProcess.Text = "Now, we have connected to GPRS!";
        }

        private void btnGPRSDisconnect_Click(object sender, EventArgs e)
        {
            Urovo.DHC3500.GPRS_DisConnect();
            Urovo.DHC3500.DisableGprs();
        }

        private void btnWLANConnect_Click(object sender, EventArgs e)
        {
            //Urovo.DHC3500.Init(strAPN);
            //Urovo.DHC3500.Connect(1);
            if (!Urovo.DHC3500.GetWlanPowerStatus())
            {
                if (!Urovo.DHC3500.EnableWlan())
                {
                    this.textWLANProcess.Text = "Can't turn on WLAN power!";
                    return;
                }
            }
            if (!Urovo.DHC3500.WLAN_Connect())
            {
                this.textWLANProcess.Text = "Can't connect to WLAN, please retry later!";
                return;
            }
            this.textWLANProcess.Text = "Now, we have connected to WLAN!";
        }

        private void btnWLANDisconnect_Click(object sender, EventArgs e)
        {
            Urovo.DHC3500.DisableWlan();
        }

        private void btnBCStart_Click(object sender, EventArgs e)
        {
            Urovo.DHC3500.StartEngine();
        }

        private void btnBCStop_Click(object sender, EventArgs e)
        {
            Urovo.DHC3500.StopEngine();
        }

        private void MainForm_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyValue == 135 || e.KeyValue == 134)
            {
                Urovo.DHC3500.StartScan();
                StringBuilder strBarcode = new StringBuilder(100), strType = new StringBuilder(100);
                Urovo.DHC3500.GetBarcode(strBarcode, strType);
                this.textBarcode.Text = strBarcode.ToString();
                this.textBCProcess.Text = strType.ToString();
                Urovo.DHC3500.StopScan();
            }
        }

        private void MainForm_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyValue == 135)
            {
                Urovo.DHC3500.StopScan();
            }
        }

        private void btnCOMStart_Click(object sender, EventArgs e)
        {
            if (Port.IsOpen) Port.WriteLine(this.textCOMData.Text);
            else MessageBox.Show("Serial port is closed!", "RS232 tester", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
            this.textCOMData.Text = "";
        }

        private void Port_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            char[] nTrim = new char[3];
            nTrim[0] = '\r';
            nTrim[1] = '\n';
            nTrim[2] = '\t';
            byte[] byArray = new byte[100];
            //InputData = Port.ReadExisting().TrimEnd(nTrim);
            int nRead = Port.Read(byArray, 0, 100);
            while (nRead > 0)
            {
                for (int i = 0; i < nRead; i++)
                    SetText(Convert.ToString(byArray[i], 16));
                nRead = Port.Read(byArray, 0, 100);
            }
            //if (InputData != String.Empty)
            //{
            //    //this.textRead.Text = InputData;
            //    SetText(InputData);
            //}
        }

        private void cmbCOMPort_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (Port.IsOpen) Port.Close();
            Port.PortName = this.cmbCOMPort.SelectedItem.ToString();
            this.textCOMProcess.Text = Port.PortName + ": 9600,8N1";

            // try to open the selected port:
            try
            {
                Port.Open();
            }
            catch
            {
                // give a message, if the port is not available:
                MessageBox.Show("Serial port " + Port.PortName + " cannot be opened!", "RS232 tester", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
                this.cmbCOMPort.SelectedIndex = -1;
                this.textCOMProcess.Text = "Select serial port!";
            }
        }

        private void SetText(string text)
        {
            // InvokeRequired required compares the thread ID of the
            // calling thread to the thread ID of the creating thread.
            // If these threads are different, it returns true.
            if (this.textRead.InvokeRequired)
            {
                SetTextCallback d = new SetTextCallback(SetText);
                this.Invoke(d, new object[] { text });
            }
            else this.textRead.Text += text;
        }

        private void MainForm_Closed(object sender, EventArgs e)
        {
            if (Port.IsOpen) Port.Close();
        }
    }
}