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.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.IO.Ports;
using System.Threading;
using leomon;
namespace 串口调试助手
{
public partial class MainForm : Form
{
private enum ReceivedDataType
{
CharType,
HexType
};
private enum SendDataType
{
CharType,
HexType
}
private ReceivedDataType myReceivedDataType = ReceivedDataType.CharType;
private SendDataType mySendDataType = SendDataType.CharType;
private int totalReceivedBytes = 0;
private int totalSendBytes = 0;
private bool autoSend = false;
public MainForm()
{
InitializeComponent();
UpdateTextHandler = new UpdateAcceptTextBoxTextHandler(UpdateText);
}
/// <summary>
/// 当主form绘制后，进行初始化操作。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainForm_Load(object sender, EventArgs e)
{
//检查可用端口
CheckAvailablePorts();
//开始更新时间和日期标签
updateDateTimer.Start();
//载入配置信息
LoadConfig("串口助手配置.xml");
}
/// <summary>
/// 默认端口参数设置
/// </summary>
private void ResetToDefaultSettings()
{
//默认波特率
baudRateComboBox.SelectedItem = "9600";
//默认不校验
parityComboBox.SelectedIndex = 0;
//默认数据位设置为8位
dataBitsComboBox.SelectedIndex = 0;
//默认停止位设置为1位
stopBitsComboBox.SelectedIndex = 0;
}
private bool hasPorts = false;
/// <summary>
/// 获取可用的端口名，并添加到选择框中，同时设置相关
/// 默认项。
/// </summary>
private void CheckAvailablePorts()
{
portNameComboBox.Items.Clear();
string[] allAvailablePorts = SerialPort.GetPortNames();
//判断是否有可用的端口
if (allAvailablePorts.Length > 0)
{
hasPorts = true;
//使能控件portNamesComboBox，openOrCloseButton
openOrClosePortButton.Enabled = true;
portNameComboBox.Enabled = true;
//依次添加可用的串口
portNameComboBox.Items.AddRange(allAvailablePorts);
//默认选中第一个项
portNameComboBox.SelectedIndex = 0;
//显示相应的状态信息
statusDisplayToolStripStatusLabel.Text = string.Format(" 欢迎使用！自动查找到该计算机可用端口数：{0}，当前选中端口号{1} :)",
allAvailablePorts.Length, portNameComboBox.SelectedItem.ToString());
}
else
{
hasPorts = false;
autoSendCheckBox.Enabled = false;
startSendButton.Enabled = false;
stopSendButton.Enabled = false;
openOrClosePortButton.Enabled = false;
//清空所有项
portNameComboBox.Items.Clear();
portNameComboBox.Enabled = false;
statusDisplayToolStripStatusLabel.Text = " 抱歉，未查找到当前计算机中可用端口。";
//同时弹出警告对话框，提示是否进行再次检查？!
ShowWarningMessageBox();
}
}
/// <summary>
/// 当没有检测到可用端口号时，弹出该对话框，
/// 提示是否重新检测。
/// </summary>
private void ShowWarningMessageBox()
{
DialogResult result = new DialogResult();
result = MessageBox.Show("抱歉，没有检测到当前计算机中可用端口，请插入相关设备或者检查有关驱动是否安装？"
Environment.NewLine "提示：您可以取消后单击“查找可用端口”按钮重新查找。",
"自动查找计算机可用端口", MessageBoxButtons.RetryCancel, MessageBoxIcon.Warning);
if (result == System.Windows.Forms.DialogResult.Retry)
{
//重新运行检测方法
CheckAvailablePorts();
}
}
private void button1_Click(object sender, EventArgs e)
{
CheckAvailablePorts();
}
private void openOrClosePortButton_Click(object sender, EventArgs e)
{
if (openOrClosePortButton.Text == "打开选中端口")
{
acceptRichTextBox.Clear();
OpenSelectedPort();
//更改配置信息
SetSerialPortPropertiesBeforeSending();
}
else
{
CloseCurrentPort();
}
}
private void OpenSelectedPort()
{
try
{
//设置打开的端口号
mySerialPort.PortName = portNameComboBox.SelectedItem.ToString();
//打开选中串口
mySerialPort.Open();
//更换为打开状态的图片
openStatusPictureBox.ImageLocation = @"icons\yes.jpg";
//更新状态栏的显示
statusDisplayToolStripStatusLabel.Text = string.Format(" 打开端口 {0}成功！",
mySerialPort.PortName);
openOrClosePortButton.Text = "关闭选中端口";
//打开串口成功后
OpenSelectedPortSuccessfully();
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
private void OpenSelectedPortSuccessfully()
{
baudRateComboBox.Enabled = false;
dataBitsComboBox.Enabled = false;
stopBitsComboBox.Enabled = false;
parityComboBox.Enabled = false;
portNameComboBox.Enabled = false;
sendSettingGroupBox.Enabled = true;
acceptZoneSettingGroupBox.Enabled = true;
sendZoneSettingGroupBox.Enabled = true;
acceptRichTextBox.Enabled = true;
sendRichTextBox.Enabled = true;
}
private void CloseCurrentPort()
{
autoSend = false;
autoSendCheckBox.Checked = false;
//关闭选中串口
mySerialPort.Close();
//更换为关闭状态的图片
openStatusPictureBox.ImageLocation = @"icons\no.jpg";
//do something
openOrClosePortButton.Text = "打开选中端口";
//更新状态栏的显示
statusDisplayToolStripStatusLabel.Text = string.Format(" 关闭端口 {0}成功！",
mySerialPort.PortName);
//所有设置控件非使能态
CloseSelectedPortSuccessfully();
}
private void CloseSelectedPortSuccessfully()
{
portNameComboBox.Enabled = true;
acceptZoneSettingGroupBox.Enabled = false;
sendZoneSettingGroupBox.Enabled = false;
acceptRichTextBox.Enabled = true;
sendRichTextBox.Enabled = true;
baudRateComboBox.Enabled = true;
dataBitsComboBox.Enabled = true;
stopBitsComboBox.Enabled = true;
parityComboBox.Enabled = true;
sendSettingGroupBox.Enabled = false;
totalReceivedBytes = 0;
totalSendBytes = 0;
isReading = false;
//acceptRichTextBox.Clear();
//sendRichTextBox.Clear();
}
private bool firstTime = true;
int count = 2;
private void updateDateTimer_Tick(object sender, EventArgs e)
{
//更新日期和时间的显示
dateTimeToolStripStatusLabel.Text =
DateTime.Now.ToString("yyyy/M/d dddd hh:mm:ss");
if (isReading)
{
statusDisplayToolStripStatusLabel.Text = " .";
if (statusDisplayToolStripStatusLabel.Text.Length > 30)
{
//statusDisplayToolStripStatusLabel.Text = "就绪.";
}
//
}
if (hasStartSend)
{
startSendButton.Text = " .";
if (startSendButton.Text.Length > 14)
{
startSendButton.Text = initialText;
}
}
if (count > 0)
{
count--;
if (count == 0)
{
if (firstTime && hasPorts)
{
new AboutForm().ShowDialog();
}
}
}
}
private void saveAcceptBoxTextButton_Click(object sender, EventArgs e)
{
try
{
sw = new StreamWriter("dataInfo.txt");
sw.Close();
needWrite = true;
MessageBox.Show("最近数据已经保存到dataInfo.txt中！");
}
catch
{ }
}
private void clearAcceptBoxTextButton_Click(object sender, EventArgs e)
{
acceptRichTextBox.Clear();
acceptStatusLabel.Text = "0字节";
totalReceivedBytes = 0;
}
private void clearSendBoxTextButton_Click(object sender, EventArgs e)
{
sendRichTextBox.Clear();
sendStatusLabel.Text = "0字节";
totalSendBytes = 0;
}
private void startSendButton_Click(object sender, EventArgs e)
{
initialText = startSendButton.Text;
if (this.sendRichTextBox.TextLength != 0)
{
SendTextNow();
}
}
/// <summary>
/// 开始向端口发送数据
/// </summary>
private void SendTextNow()
{
try
{
SerialPortSendChar(this.sendRichTextBox.Text.ToString());
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
private void SerialPortSendChar(String str)
{
char[] ch = str.ToCharArray();
foreach (var item in ch)
{
if (item <= 255)
{
totalSendBytes = 1;
}
else
{
totalSendBytes = 2;
}
}
if (mySerialPort == null || mySerialPort.IsOpen == false)
{
MessageBox.Show("拒绝操作，没有任何串口被开启，无法发送数据！", "发送数据");
}
else
{
try
{
mySerialPort.Write(ch, 0, ch.Length);
sendStatusLabel.Text = totalSendBytes.ToString() "字节";
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
}
/// <summary>
/// 在开始发送前设置串口信息。
/// </summary>
private void SetSerialPortPropertiesBeforeSending()
{
mySerialPort.Encoding = Encoding.Default;
//设置成为选中的波特率
mySerialPort.BaudRate = GetSelectedBaudRate();
//设置成为选中的奇偶校验位
mySerialPort.Parity = GetSelectedParity();
//设置成为选中的数据位
mySerialPort.DataBits = GetSelectedDataBits();
//设置成为选中的端口停止位
try
{
mySerialPort.StopBits = GetSelectedStopBits();
}
catch (IOException ee)
{
MessageBox.Show(ee.Message "已经将 停止位 设置为 默认一位 了！",
"提示！", MessageBoxButtons.OK, MessageBoxIcon.Error);
mySerialPort.StopBits = StopBits.One;
stopBitsComboBox.SelectedItem = "1";
}
//try
//{
// //mySerialPort.ReadTimeout = (int)intervalTimeNumericUpDown.Value;
// //mySerialPort.WriteTimeout = (int)intervalTimeNumericUpDown.Value;
//}
//catch(Exception ee)
//{
// mySerialPort.ReadTimeout = 500;
// mySerialPort.WriteTimeout = 500;
// MessageBox.Show(ee.Message);
//}
//更新状态栏的显示
statusDisplayToolStripStatusLabel.Text = string.Format(
"当前打开的端口 {0}，波特率 {1}，奇偶校验 {2}， 数据位 {3}，停止位 {4}",
portNameComboBox.SelectedItem, baudRateComboBox.SelectedItem, parityComboBox.SelectedItem,
dataBitsComboBox.SelectedItem, stopBitsComboBox.SelectedItem);
}
private StopBits GetSelectedStopBits()
{
StopBits stopBits = StopBits.One;
switch (stopBitsComboBox.SelectedItem.ToString())
{
case "1":
{ stopBits = StopBits.One; }
break;
case "2":
{ stopBits = StopBits.Two; }
break;
case "1.5":
{ stopBits = StopBits.OnePointFive; }
break;
default:
stopBits = StopBits.One;
break;
}
return stopBits;
}
private int GetSelectedDataBits()
{
int dataBits = 8;
if (!(int.TryParse(dataBitsComboBox.SelectedItem.ToString(), out dataBits)))
{
MessageBox.Show("转换失败！");
}
return dataBits;
}
private Parity GetSelectedParity()
{
Parity parity = Parity.None;
switch (parityComboBox.SelectedItem.ToString())
{
case "偶校验(Even)":
{
parity = Parity.Even;
}
break;
case "奇校验(Odd)":
{
parity = Parity.Odd;
}
break;
case "保留为0(Space)":
{
parity = Parity.Space;
}
break;
case "保留为1(Mark)":
{
parity = Parity.Mark;
}
break;
default:
{
parity = Parity.None;
}
break;
}
return parity;
}
private int GetSelectedBaudRate()
{
int baudRate = 0;
if (!(int.TryParse(baudRateComboBox.SelectedItem.ToString(), out baudRate)))
{
baudRate = 9600;
}
return baudRate;
}
private void stopSendButton_Click(object sender, EventArgs e)
{
if (startSendButton.Enabled == false)
{
startSendButton.Enabled = true;
startSendButton.Text = "发送数据";
hasStartSend = false;
autoSend = false;
startSendButton.TextAlign = ContentAlignment.MiddleCenter;
stopSendButton.Enabled = false;
autoSendCheckBox.Enabled = true;
if (autoSendCheckBox.Checked)
autoSendCheckBox.Checked = false;
initialText = string.Empty;
autoSendTimer.Enabled = false;
intervalTimeNumericUpDown.Enabled = true;
autoSendTimer.Stop();
}
}
private void chooseFileRadioButton_CheckedChanged(object sender, EventArgs e)
{
if (chooseFileRadioButton.Checked)
{
//禁用发送区输入
sendRichTextBox.Enabled = false;
//弹出打开文件对话框
ChooseFileToSend();
}
else
{
sendRichTextBox.Enabled = true;
}
}
/// <summary>
/// 打开选择文件对话框，选择要发送的文件。
/// </summary>
private void ChooseFileToSend()
{
OpenFileDialog fd = new OpenFileDialog();
fd.Filter = "txt文件|*.txt|其它文件|*.*";
fd.FileName = "txt文件";
fd.Title = "选择要发送的文件...";
if (fd.ShowDialog() == DialogResult.OK)
{
//TO DO.
using (StreamReader sr = new StreamReader(fd.FileName, Encoding.Default))
{
sendRichTextBox.Clear();
sendRichTextBox.AppendText(sr.ReadToEnd());
}
}
if (inputCharRadioButton.Checked == false)
inputCharRadioButton.Checked = true;
}
private void intervalTimeNumericUpDown_MouseClick(object sender, MouseEventArgs e)
{
warningToolTip.Show("输入的范围应在0到10000之间", (NumericUpDown)sender);
}
private void portNameComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
//当改变端口名称时，则停止当前端口的通信，释放相关资源
CloseCurrentPort();
//初始化相关设置
ResetToDefaultSettings();
//更新状态栏显示
statusDisplayToolStripStatusLabel.Text = "当前选中端口号：" portNameComboBox.SelectedItem.ToString();
}
private void autoSendCheckBox_CheckedChanged(object sender, EventArgs e)
{
if (sendRichTextBox.TextLength == 0)
{
this.autoSendCheckBox.Checked = false;
autoSend = false;
MessageBox.Show("没有需要发送的内容 >_<");
}
else
{
if (autoSendCheckBox.Checked == true)
{
autoSend = true;
startSendButton.Enabled = false;
startSendButton.TextAlign = ContentAlignment.MiddleLeft;
startSendButton.Text = "自动发送中.";
initialText = startSendButton.Text;
hasStartSend = true;
if (stopSendButton.Enabled == false)
stopSendButton.Enabled = true;
//SetSerialPortPropertiesBeforeSending();
autoSendTimer.Enabled = true;
autoSendCheckBox.Enabled = false;
intervalTimeNumericUpDown.Enabled = false;
autoSendTimer.Interval = (int)intervalTimeNumericUpDown.Value;
autoSendTimer.Start();
}
else
{
autoSend = false;
startSendButton.Enabled = true;
startSendButton.Text = "发送数据";
initialText = string.Empty;
hasStartSend = false;
startSendButton.TextAlign = ContentAlignment.MiddleCenter;
stopSendButton.Enabled = false;
}
}
}
/// <summary>
/// 每次从SerialPort接收数据时发生，由于运行在辅助线程
/// 所以必须要通过委托来实现跨线程。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mySerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
SerialPort sp = (SerialPort)sender;
string text = string.Empty;
int size = sp.BytesToRead;
if (myReceivedDataType == ReceivedDataType.HexType)
{
for (int i = 0; i < size; i )
{
int tempByte = sp.ReadByte();
string tempStr = "0X";
if (tempByte <= 0X0F)
{
tempStr = "0X0";
}
text =
tempStr Convert.ToString(tempByte, 16).ToUpper() " ";
}
}
else
{
text = sp.ReadExisting();
}
totalReceivedBytes = size;
this.Invoke(UpdateTextHandler, text);
//Thread.Sleep(50);
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
private void UpdateText(string text)
{
if (showInfo)
{
acceptRichTextBox.Text = text;
acceptStatusLabel.Text = totalReceivedBytes.ToString() "字节";
}
isReading = true;
statusDisplayToolStripStatusLabel.Text = "正在接收.";
}
/// <summary>
/// 每次从SerialPort接收到错误时发生
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mySerialPort_ErrorReceived(object sender, SerialErrorReceivedEventArgs e)
{
}
/// <summary>
/// 每次SerialPort的Pin改变时发生
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mySerialPort_PinChanged(object sender, SerialPinChangedEventArgs e)
{
}
private void intervalTimeNumericUpDown_ValueChanged(object sender, EventArgs e)
{
autoSendTimer.Interval = (int)intervalTimeNumericUpDown.Value;
}
private void autoSendTimer_Tick(object sender, EventArgs e)
{
if (autoSend)
{
try
{
SerialPortSendChar(this.sendRichTextBox.Text.ToString());
}
catch
{
}
}
}
private void displayReadInfoButton_Click(object sender, EventArgs e)
{
if (displayReadInfoButton.Text == "不显示接收缓冲区内容")
{
showInfo = false;
displayReadInfoButton.Text = "显示接收缓冲区内容";
}
else
{
showInfo = true;
displayReadInfoButton.Text = "不显示接收缓冲区内容";
//
}
}
private void acceptCharRadioButton_CheckedChanged(object sender, EventArgs e)
{
this.acceptRichTextBox.Clear();
RadioButton rb = sender as RadioButton;
if (rb != null)
{
if (rb.Checked)
{
myReceivedDataType = ReceivedDataType.CharType;
}
else
{
myReceivedDataType = ReceivedDataType.HexType;
}
}
}
private void acceptHexRadioButton_CheckedChanged(object sender, EventArgs e)
{
this.acceptRichTextBox.Clear();
RadioButton rb = sender as RadioButton;
if (rb != null)
{
if (!rb.Checked)
{
myReceivedDataType = ReceivedDataType.CharType;
}
else
{
myReceivedDataType = ReceivedDataType.HexType;
}
}
}
private void sendCharRadioButton_CheckedChanged(object sender, EventArgs e)
{
RadioButton rb = sender as RadioButton;
if (rb != null)
{
if (rb.Checked)
{
mySendDataType = SendDataType.CharType;
}
else
{
mySendDataType = SendDataType.HexType;
}
}
}
private void sendHexRadioButton_CheckedChanged(object sender, EventArgs e)
{
RadioButton rb = sender as RadioButton;
if (rb != null)
{
if (!rb.Checked)
{
mySendDataType = SendDataType.CharType;
}
else
{
mySendDataType = SendDataType.HexType;
}
}
}
private void inputCharRadioButton_CheckedChanged(object sender, EventArgs e)
{
}
private void 保存配置信息SToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveConfig("串口助手配置.xml");
MessageBox.Show("保存成功！");
}
private void 配置信息另存为AToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.FileName = "串口助手自定义配置.xml";
sfd.Filter = "xml|*.xml";
if (sfd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
SaveConfig(sfd.FileName);
MessageBox.Show("保存成功！");
}
}
private void 载入配置信息LToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog opf = new OpenFileDialog();
opf.Filter = "xml|*.xml";
if (opf.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
LoadConfig(opf.FileName);
MessageBox.Show("成功载入配置文件：" opf.FileName);
}
}
private void 退出XToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Close();
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
//退出前保存配置。
SaveConfig("串口助手配置.xml");
}
private void 关于软件AToolStripMenuItem_Click(object sender, EventArgs e)
{
AboutForm af = new AboutForm();
af.ShowDialog();
}
}
}
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