实例介绍
【实例简介】
【实例截图】
【核心代码】
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;
using System.Threading;
using Microsoft.Win32;
using AxCommMonitor6x;
namespace 串口监听
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public AxCommMonitor AxC1 = new AxCommMonitor6x.AxCommMonitor();
long dwReadTotal = 0;
long dwWriteTotal = 0;
const int IRP_MJ_CREATE = 0x00;
const int IRP_MJ_CLOSE = 0x02;
const int IRP_MJ_READ = 0x03;
const int IRP_MJ_WRITE = 0x04;
const int IRP_MJ_DEVICE_CONTROL = 0x0E;
const int IRP_MJ_CLEANUP = 0x12;
const int IRP_MJ_MAXIMUM_FUNCTION = 0x1B;
const int IRP_MJ_FLUSH_BUFFERS = 0x09;
private void axCommMonitor1_OnAscii(object sender, AxCommMonitor6x.ICommMonitor6Events_OnAsciiEvent e)
{
//if (chk_R.Checked)
// return;
switch (e.dwCtrlCode)
{
case IRP_MJ_CLOSE:
this.tbData.AppendText(string.Format("{0}: Close\r\n", e.sPortName));
break;
case IRP_MJ_CREATE:
this.tbData.AppendText(string.Format("{0}: Open\r\n", e.sPortName));
break;
case IRP_MJ_READ:
{
//dwReadTotal = e.dwSize;
//this.redtData.SelectionColor = Color.Blue;
this.tbData.AppendText(string.Format("{0}, Read({1:D}): {2}\r\n", e.sPortName, e.dwSize, e.sData));
break;
}
case IRP_MJ_WRITE:
{
//dwWriteTotal = e.dwSize;
//this.redtData.SelectionColor = Color.Green;
this.tbData.AppendText(string.Format("{0}, Write({1:D}): {2}\r\n", e.sPortName, e.dwSize, e.sData));
break;
}
default:
{
if (e.dwCtrlCode > 0x400)
tbData.AppendText(string.Format("{0}, CTLCode({1:D}): {2}\r\n", e.sPortName, e.dwCtrlCode, e.sData));
break;
}
}
if ((e.dwCtrlCode == IRP_MJ_READ) || (e.dwCtrlCode == IRP_MJ_WRITE))
{
tbData.Text = string.Format("Write: {0:D}(Bytes), Read: {1:D}(Bytes)", dwWriteTotal, dwReadTotal);
}
}
private void axCommMonitor1_OnMonitor(object sender, AxCommMonitor6x.ICommMonitor6Events_OnMonitorEvent e)
{
string ss = "";
//if (!chk_R.Checked)
// return;
if ((e.dwSize > 0) && ((e.dwCtrlCode == IRP_MJ_READ) || (e.dwCtrlCode == IRP_MJ_WRITE)))
{
byte[] numbers = (byte[])e.vtData;
ss = Encoding.GetEncoding("GB2312").GetString(numbers);
}
switch (e.dwCtrlCode)
{
case IRP_MJ_CLOSE:
this.tbData.AppendText(string.Format("{0}: Close\r\n", e.sPortName));
break;
case IRP_MJ_CREATE:
this.tbData.AppendText(string.Format("{0}: Open\r\n", e.sPortName));
break;
case IRP_MJ_READ:
{
dwReadTotal = e.dwSize;
//this.tbData.SelectionColor = Color.Blue;
this.tbData.AppendText(string.Format("{0}, Read({1:D}): {2}\r\n",
e.sPortName, e.dwSize, ss));
break;
}
case IRP_MJ_WRITE:
{
dwWriteTotal = e.dwSize;
//this.tbData.SelectionColor = Color.Green;
this.tbData.AppendText(string.Format("{0}, Write({1:D}): {2}\r\n",
e.sPortName, e.dwSize, ss));
break;
}
default:
{
if (e.dwCtrlCode > 0x400)
tbData.AppendText(string.Format("{0}, CTLCode({1:D}): {2}\r\n",
e.sPortName, e.dwCtrlCode, ss));
break;
}
}
if ((e.dwCtrlCode == IRP_MJ_READ) || (e.dwCtrlCode == IRP_MJ_WRITE))
{
tbData.Text = string.Format("Write: {0:D}(Bytes), Read: {1:D}(Bytes)",
dwWriteTotal, dwReadTotal);
}
}
private SerialPort Sp = new SerialPort();
public delegate void HandleInterfaceUpdataDelegate(string text); //委托，此为重点
private HandleInterfaceUpdataDelegate interfaceUpdataHandle;
private bool qiii = false;
bool fActive = false;
private void btENT_Click(object sender, EventArgs e)
{
//if ((cmID.Text.Trim() != "") && (cmRate.Text != ""))
//{
// interfaceUpdataHandle = new HandleInterfaceUpdataDelegate(UpdateTextBox);//实例化委托对象
// Sp.PortName = cmID.Text.Trim();
// Sp.BaudRate = Convert.ToInt32(cmRate.Text.Trim());
// Sp.Parity = Parity.None;
// Sp.StopBits = StopBits.One;
// Sp.DataReceived = new SerialDataReceivedEventHandler(Sp_DataReceived);
// Sp.ReceivedBytesThreshold = 1;
// try
// {
// Sp.Open();
// ATCommand3("AT CLIP=1\r", "OK");
// btPause.Enabled = true;
// btENT.Enabled = false;
// }
// catch
// {
// MessageBox.Show("端口" cmID.Text.Trim() "打开失败！");
// }
//}
//else
//{
// MessageBox.Show("请输入正确的端口号和波特率！");
// cmID.Focus();
//}
if (!fActive)
fActive = axCommMonitor1.StartMonitor(this.cmID.Text);
else
{
axCommMonitor1.StopMonitor();
fActive = false;
}
//if (fActive)
//{
// btnOpen.Text = "Stop Monitor";
// btnOpen.ForeColor = Color.Blue;
//}
//else
//{
// btnOpen.Text = "Start Monitor";
// btnOpen.ForeColor = Color.Black;
//}
//axCommMonitor1.StartMonitor(this.cmID.Text.Trim());
}
private void btPause_Click(object sender, EventArgs e)
{
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
Sp.Close();
}
private void Form1_Load(object sender, EventArgs e)
{
GetComList();
btPause.Enabled = false;
}
public void Sp_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
string strTemp = "";
double iSecond = 0.5;
DateTime dtOld = System.DateTime.Now;
DateTime dtNow = System.DateTime.Now;
TimeSpan dtInter;
dtInter = dtNow - dtOld;
int i = Sp.BytesToRead;
if (i > 0)
{
try
{
strTemp = Sp.ReadExisting();
}
catch
{ }
if (strTemp.ToLower().IndexOf("\r") < 0)
{
i = 0;
}
else
{
this.Invoke(interfaceUpdataHandle, strTemp);
}
}
while (dtInter.TotalSeconds < iSecond && i <= 0)
{
dtNow = System.DateTime.Now;
dtInter = dtNow - dtOld;
i = Sp.BytesToRead;
if (i > 0)
{
try
{
strTemp = Sp.ReadExisting();
}
catch
{ }
if (strTemp.ToLower().IndexOf("\r") < 0)
{
i = 0;
}
else
{
this.Invoke(interfaceUpdataHandle, strTemp);
}
}
}
// do null
}
private void UpdateTextBox(string text)
{
tbData.Text = text;
}
/// <summary>
/// 执行AT指令并返回 成功失败
/// </summary>
/// <param name="ATCmd">AT指令</param>
/// <param name="StCmd">AT指令标准结束标识</param>
/// <returns></returns>
private void ATCommand3(string ATCmd, string StCmd)
{
string response = "";
response = ATCommand(ATCmd, StCmd);
}
/// <summary>
/// 执行AT指令并返回结果字符
/// </summary>
/// <param name="ATCmd">AT指令</param>
/// <param name="StCmd">AT指令标准结束标识</param>
/// <returns></returns>
private string ATCommand(string ATCmd, string StCmd)
{
string response = "";
int i;
if (!ATCmd.EndsWith("\x01a"))
{
if (!(ATCmd.EndsWith("\r") || ATCmd.EndsWith("\r\n")))
{
ATCmd = ATCmd "\r";
}
}
Sp.WriteLine(ATCmd);
//第一次读响应数据
if (Sp.BytesToRead > 0)
{
response = Sp.ReadExisting();
//去除前端多可能多读取的字符
if (response.IndexOf(ATCmd) > 0)
{
response = response.Substring(response.IndexOf(ATCmd));
}
else
{
}
if (response == "" || response.IndexOf(StCmd) < 0)
{
if (response != "")
{
if (response.Trim() == "ERROR")
{
//throw vError = new UnknowException("Unknown exception in sending command:" ATCmd);
}
if (response.IndexOf(" CMS ERROR") >= 0)
{
string[] cols = new string[100];
cols = response.Split(';');
if (cols.Length > 1)
{
string errorCode = cols[1];
}
}
}
}
}
//读第一次没有读完的响应数据，直到读到特征数据或超时
for (i = 0; i < 3; i )
{
Thread.Sleep(1000);
response = response Sp.ReadExisting();
if (response.IndexOf(StCmd) >= 0)
{
break;
}
}
return response;
}
/// <summary>
/// 从注册表获取系统串口列表
/// </summary>
private void GetComList()
{
RegistryKey keyCom = Registry.LocalMachine.OpenSubKey("Hardware\\DeviceMap\\SerialComm");
if (keyCom != null)
{
string[] sSubKeys = keyCom.GetValueNames();
this.cmID.Items.Clear();
foreach (string sName in sSubKeys)
{
string sValue = (string)keyCom.GetValue(sName);
this.cmID.Items.Add(sValue);
}
}
}
private void cmID_DropDown(object sender, EventArgs e)
{
GetComList();
}
private void btPause_Click_1(object sender, EventArgs e)
{
Sp.Close();
btENT.Enabled = true;
btPause.Enabled = false;
}
}
}
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