zhengxuan.zhang
548 lines
17 KiB
C#
548 lines
17 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Input;
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namespace WPFSerialAssistant
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{
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public enum ReceiveMode
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{
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Character, //字符显示
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Hex, //十六进制
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Decimal, //十进制
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Octal, //八进制
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Binary //二进制
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}
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public enum SendMode
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{
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Character, //字符
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Hex //十六进制
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}
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public partial class MainWindow : Window
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{
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#region Global
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// 接收并显示的方式
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private ReceiveMode receiveMode = ReceiveMode.Character;
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// 发送的方式
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private SendMode sendMode = SendMode.Character;
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#endregion
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#region Event handler for menu items
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private void saveSerialDataMenuItem_Click(object sender, RoutedEventArgs e)
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{
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}
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private void saveConfigMenuItem_Click(object sender, RoutedEventArgs e)
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{
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SaveConfig();
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// 状态栏显示保存成功
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Information("配置信息保存成功。");
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}
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private void loadConfigMenuItem_Click(object sender, RoutedEventArgs e)
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{
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LoadConfig();
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// 状态栏显示加载成功
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Information("配置信息加载成功。");
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}
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private void exitMenuItem_Click(object sender, RoutedEventArgs e)
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{
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Close();
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}
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private void serialSettingViewMenuItem_Click(object sender, RoutedEventArgs e)
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{
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bool state = serialSettingViewMenuItem.IsChecked;
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if (state == false)
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{
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serialPortConfigPanel.Visibility = Visibility.Visible;
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}
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else
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{
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serialPortConfigPanel.Visibility = Visibility.Collapsed;
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if (IsCompactViewMode())
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{
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serialPortConfigPanel.Visibility = Visibility.Visible;
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EnterCompactViewMode();
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}
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}
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serialSettingViewMenuItem.IsChecked = !state;
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}
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private void autoSendDataSettingViewMenuItem_Click(object sender, RoutedEventArgs e)
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{
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bool state = autoSendDataSettingViewMenuItem.IsChecked;
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if (state == false)
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{
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autoSendConfigPanel.Visibility = Visibility.Visible;
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}
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else
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{
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autoSendConfigPanel.Visibility = Visibility.Collapsed;
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if (IsCompactViewMode())
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{
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autoSendConfigPanel.Visibility = Visibility.Visible;
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EnterCompactViewMode();
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}
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}
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autoSendDataSettingViewMenuItem.IsChecked = !state;
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}
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private void serialCommunicationSettingViewMenuItem_Click(object sender, RoutedEventArgs e)
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{
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bool state = serialCommunicationSettingViewMenuItem.IsChecked;
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if (state == false)
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{
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serialCommunicationConfigPanel.Visibility = Visibility.Visible;
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}
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else
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{
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serialCommunicationConfigPanel.Visibility = Visibility.Collapsed;
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if (IsCompactViewMode())
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{
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serialCommunicationConfigPanel.Visibility = Visibility.Visible;
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EnterCompactViewMode();
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}
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}
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serialCommunicationSettingViewMenuItem.IsChecked = !state;
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}
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private void compactViewMenuItem_Click(object sender, RoutedEventArgs e)
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{
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if (IsCompactViewMode())
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{
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RestoreViewMode();
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}
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else
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{
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EnterCompactViewMode();
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}
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}
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private void aboutMenuItem_Click(object sender, RoutedEventArgs e)
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{
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WPFSerialAssistant.About about = new About();
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about.ShowDialog();
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}
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private void helpMenuItem_Click(object sender, RoutedEventArgs e)
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{
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}
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#endregion
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#region Event handler for buttons and so on.
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private void openClosePortButton_Click(object sender, RoutedEventArgs e)
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{
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if (serialPort.IsOpen)
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{
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if (ClosePort())
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{
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openClosePortButton.Content = "打开";
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}
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}
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else
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{
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if (OpenPort())
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{
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openClosePortButton.Content = "关闭";
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}
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}
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}
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private void findPortButton_Click(object sender, RoutedEventArgs e)
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{
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FindPorts();
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}
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private void autoSendEnableCheckBox_Click(object sender, RoutedEventArgs e)
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{
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if (autoSendEnableCheckBox.IsChecked == true)
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{
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Information(string.Format("使能串口自动发送功能，发送间隔：{0} {1}。", autoSendIntervalTextBox.Text, timeUnitComboBox.Text.Trim()));
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}
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else
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{
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Information("禁用串口自动发送功能。");
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StopAutoSendDataTimer();
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progressBar.Visibility = Visibility.Collapsed;
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}
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}
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private void sendDataButton_Click(object sender, RoutedEventArgs e)
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{
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if (autoSendEnableCheckBox.IsChecked == true)
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{
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AutoSendData();
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}
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else
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{
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SendData();
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}
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}
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private void saveRecvDataButton_Click(object sender, RoutedEventArgs e)
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{
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SaveData(GetSaveDataPath());
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}
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private void clearRecvDataBoxButton_Click(object sender, RoutedEventArgs e)
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{
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recvDataRichTextBox.Document.Blocks.Clear();
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}
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private void recvModeButton_Checked(object sender, RoutedEventArgs e)
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{
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RadioButton rb = sender as RadioButton;
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if (recvDataRichTextBox == null)
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{
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return;
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}
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if (rb != null)
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{
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//
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// TO-DO:
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// 可以将已经存在在文本框中的内容全部转换成指定形式显示，而不是简单地清空
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//
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recvDataRichTextBox.Document.Blocks.Clear();
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switch (rb.Tag.ToString())
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{
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case "char":
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receiveMode = ReceiveMode.Character;
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Information("提示：字符显示模式。");
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break;
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case "hex":
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receiveMode = ReceiveMode.Hex;
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Information("提示：十六进制显示模式。");
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break;
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case "dec":
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receiveMode = ReceiveMode.Decimal;
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Information("提示：十进制显示模式。");
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break;
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case "oct":
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receiveMode = ReceiveMode.Octal;
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Information("提示：八进制显示模式。");
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break;
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case "bin":
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receiveMode = ReceiveMode.Binary;
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Information("提示：二进制显示模式。");
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break;
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default:
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break;
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}
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}
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}
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private bool showReceiveData = true;
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private void showRecvDataCheckBox_Click(object sender, RoutedEventArgs e)
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{
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showReceiveData = (bool)showRecvDataCheckBox.IsChecked;
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}
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private void sendDataModeRadioButton_Click(object sender, RoutedEventArgs e)
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{
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RadioButton rb = sender as RadioButton;
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if (rb != null)
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{
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switch (rb.Tag.ToString())
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{
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case "char":
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sendMode = SendMode.Character;
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Information("提示：发送字符文本。");
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// 将文本框中内容转换成char
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sendDataTextBox.Text = Utilities.ToSpecifiedText(sendDataTextBox.Text, SendMode.Character, serialPort.Encoding);
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break;
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case "hex":
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// 将文本框中的内容转换成hex
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sendMode = SendMode.Hex;
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Information("提示：发送十六进制。输入十六进制数据之间用空格隔开，如：1D 2A 38。");
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sendDataTextBox.Text = Utilities.ToSpecifiedText(sendDataTextBox.Text, SendMode.Hex, serialPort.Encoding);
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break;
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default:
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break;
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}
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}
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}
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private void manualInputRadioButton_Click(object sender, RoutedEventArgs e)
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{
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}
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private void loadFileRadioButton_Click(object sender, RoutedEventArgs e)
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{
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}
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private void clearSendDataTextBox_Click(object sender, RoutedEventArgs e)
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{
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sendDataTextBox.Clear();
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}
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private void appendRadioButton_Click(object sender, RoutedEventArgs e)
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{
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RadioButton rb = sender as RadioButton;
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if (rb != null)
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{
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switch (rb.Tag.ToString())
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{
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case "none":
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appendContent = "";
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break;
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case "return":
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appendContent = "\r";
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break;
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case "newline":
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appendContent = "\n";
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break;
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case "retnewline":
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appendContent = "\r\n";
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break;
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default:
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break;
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}
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Information("发送追加：" + rb.Content.ToString());
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}
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}
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#endregion
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#region Event handler for timers
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private void ClockTimer_Tick(object sender, EventArgs e)
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{
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UpdateTimeDate();
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void AutoSendDataTimer_Tick(object sender, EventArgs e)
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{
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bool ret = false;
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ret = SendData();
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if (ret == false)
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{
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StopAutoSendDataTimer();
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}
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}
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/// <summary>
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/// 窗口关闭前拦截
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
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{
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// 释放没有关闭的端口资源
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if (serialPort.IsOpen)
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{
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ClosePort();
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}
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// 提示是否需要保存配置到文件中
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if (MessageBox.Show("是否在退出前保存软件配置？", "小贴士", MessageBoxButton.YesNo, MessageBoxImage.Information) == MessageBoxResult.Yes)
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{
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SaveConfig();
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}
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}
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/// <summary>
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/// 捕获窗口按键。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void Window_KeyDown(object sender, KeyEventArgs e)
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{
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// Ctrl+S保存数据
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if (e.Key == Key.S && e.KeyboardDevice.IsKeyDown(Key.LeftCtrl))
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{
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SaveData(GetSaveDataPath());
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}
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// Ctrl+Enter 进入/退出简洁视图模式
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if (e.Key == Key.Enter && e.KeyboardDevice.IsKeyDown(Key.LeftCtrl))
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{
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if (IsCompactViewMode())
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{
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RestoreViewMode();
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}
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else
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{
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EnterCompactViewMode();
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}
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}
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// Enter发送数据
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if (e.Key == Key.Enter)
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{
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SendData();
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}
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}
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#endregion
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#region EventHandler for serialPort
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// 数据接收缓冲区
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private List<byte> receiveBuffer = new List<byte>();
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// 一个阈值，当接收的字节数大于这么多字节数之后，就将当前的buffer内容交由数据处理的线程
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// 分析。这里存在一个问题，假如最后一次传输之后，缓冲区并没有达到阈值字节数，那么可能就
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// 没法启动数据处理的线程将最后一次传输的数据处理了。这里应当设定某种策略来保证数据能够
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// 在尽可能短的时间内得到处理。
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private const int THRESH_VALUE = 128;
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private bool shouldClear = true;
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/// <summary>
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/// 更新：采用一个缓冲区，当有数据到达时，把字节读取出来暂存到缓冲区中，缓冲区到达定值
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/// 时，在显示区显示数据即可。
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void SerialPort_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
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{
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System.IO.Ports.SerialPort sp = sender as System.IO.Ports.SerialPort;
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if (sp != null)
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{
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// 临时缓冲区将保存串口缓冲区的所有数据
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int bytesToRead = sp.BytesToRead;
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byte[] tempBuffer = new byte[bytesToRead];
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// 将缓冲区所有字节读取出来
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sp.Read(tempBuffer, 0, bytesToRead);
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// 检查是否需要清空全局缓冲区先
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if (shouldClear)
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{
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receiveBuffer.Clear();
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shouldClear = false;
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}
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// 暂存缓冲区字节到全局缓冲区中等待处理
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receiveBuffer.AddRange(tempBuffer);
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if (receiveBuffer.Count >= THRESH_VALUE)
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{
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//Dispatcher.Invoke(new Action(() =>
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//{
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// recvDataRichTextBox.AppendText("Process data.\n");
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//}));
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// 进行数据处理，采用新的线程进行处理。
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Thread dataHandler = new Thread(new ParameterizedThreadStart(ReceivedDataHandler));
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dataHandler.Start(receiveBuffer);
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}
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// 启动定时器，防止因为一直没有到达缓冲区字节阈值，而导致接收到的数据一直留存在缓冲区中无法处理。
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StartCheckTimer();
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this.Dispatcher.Invoke(new Action(() =>
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{
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if (autoSendEnableCheckBox.IsChecked == false)
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{
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Information("");
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}
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dataRecvStatusBarItem.Visibility = Visibility.Visible;
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}));
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}
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}
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#endregion
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#region 数据处理
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private void CheckTimer_Tick(object sender, EventArgs e)
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{
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// 触发了就把定时器关掉，防止重复触发。
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StopCheckTimer();
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// 只有没有到达阈值的情况下才会强制其启动新的线程处理缓冲区数据。
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if (receiveBuffer.Count < THRESH_VALUE)
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{
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//recvDataRichTextBox.AppendText("Timeout!\n");
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// 进行数据处理，采用新的线程进行处理。
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Thread dataHandler = new Thread(new ParameterizedThreadStart(ReceivedDataHandler));
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dataHandler.Start(receiveBuffer);
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}
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}
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private void ReceivedDataHandler(object obj)
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{
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List<byte> recvBuffer = new List<byte>();
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recvBuffer.AddRange((List<byte>)obj);
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if (recvBuffer.Count == 0)
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{
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return;
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}
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// 必须应当保证全局缓冲区的数据能够被完整地备份出来，这样才能进行进一步的处理。
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shouldClear = true;
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this.Dispatcher.Invoke(new Action(() =>
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{
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if (showReceiveData)
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{
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// 根据显示模式显示接收到的字节.
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recvDataRichTextBox.AppendText(Utilities.BytesToText(recvBuffer, receiveMode, serialPort.Encoding));
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recvDataRichTextBox.ScrollToEnd();
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}
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dataRecvStatusBarItem.Visibility = Visibility.Collapsed;
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}));
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// TO-DO：
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// 处理数据，比如解析指令等等
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if (recvBuffer.Count > 0)
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{
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// 举例：解析指令，获取锁存点
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if (recvBuffer[0] == 0x01 && recvBuffer[1] == 0x05)
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{
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// TO-DO：处理指令
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this.Dispatcher.BeginInvoke(new Action(() =>
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{
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SendData("string textToSend");
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}));
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}
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if (recvBuffer[0] == 0x01 && recvBuffer[1] == 0x09)
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{
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// TO-DO：处理指令
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this.Dispatcher.BeginInvoke(new Action(() =>
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{
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SendData("ok");
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}));
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}
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}
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}
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#endregion
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}
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}
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