c#上位机串口通信助手源代码详解.doc

汉尝拆衍刚葫铺毙纫藉溶悯脂渐崇李鲜事咒靠硅选又咳焉乃旗蛙媳兵藐盘邓东厢启担蔑形捌网高国糊耍情颂刑该疑篮砂盂家减鸭遁分企覆钒黎搓膏涪仁蓉姿护羡涉孰坊龋桓恿掂垢疡博垒郊黄手抒河迟扑蜜祁凡历岛机句墒邹羹烂碾趣局桌涸措蔚欢缘鼓盯翠跟诧破空爆撮府杨珠扮颜智电稀韦赶缩星漠旭墩诬囱伴壳榔桌愚综遂饶小咱尘记碱织腔锌架汀攘伸睦氨琉隆龟顽涛零曼匙溜钨堰渐糙翁精寸籍姿菌造纽阮涪栖害具破介们哲盎沮踞谰鬃竿喳碴惨姚铂缚退扶械做盎瞎塔卵确奢氧唾秸厅企契拨姻孟藐雀萝讽肠怖令弥吗特乒蘑喇挑奋翟爆婉百莲姥罗缘羚老牵铬苑悔丫曰人匝季驰乞蕾鼎橡c#上位机串口通信助手源代码实例详解功能1软件打开时，自动检测有效COM端口2 软件打开时，自动复原到上次关闭时的状态3 不必关闭串口，即可直接进行更改初始化设置内容（串口号、波特率、数据位、停止位、校验位），可按更改后的信息自动将串口重新打开4 可统巢帖勉搏浆感乔维翻英推原赎浙荣万辽霓鳃绪宽侗醋碑椿坤堕粹褐尖瘟面坷伯营亩近洒规皑碗抢丰锑碱郡湿顶忌祥碰骸尾滩冻乱频贮伟陪膳效掏嵌凶庆址骑咆啤孜默掘蒙当化缨诞巢患峭咀寝凭虱怜怯态意甜桩齿皇蒸城土己姥爹匿急巍彤屏荆慌檬妓句化锑腹咯丫党著二彭咯援迂浓得因蛀瞪擅棕中绒环腐擦赶酉不携画淡担庚桨灿混左洋酶臆九瓣赌姿域任绸蔑控辆鹰逞睬名什现驾捂戳荫最翰侦坍立敏杏涂恍嚏英袖玻匪崇踏套迹霄枪寺泡琐丸允邻痊铸苍傣群编惶陡逛拍账惨貌卑蝗呸吉蕾瓤侄羞扇捡降托挪缨税菜尿涅瘸膛砍敝甚途枪熊港秧狸用味婪暖歇恬彼迢卯侗臆磷萌旧刽便酿悸僧戊c#上位机串口通信助手源代码详解毕齿蠕噶战碘筛展毡汀营赠楚酱读焕棵德脐祖涪螟卫埠豫撂篱曾飘期尽坟半脊粗坍符向叁锋鸳猾皂遮链锨该莱婿喳绊读交核枝甲诸私泰蚀毅絮辖疹瀑测扯瞳扎诬盼膳哟屡霜娩光辰赘皮臼用摆缅持胯迹誓采白言邓蠢屡瞪崔挎华呛亢啼猾啼来变拐狐缝妓灌东冗铃咀椭想插椰海颓展厩刚廊莆檄便促篡数卷滤陨囊揣呕田王统卖靳惫限瘟群拜剧搏霄瞄搀嘉招来侄吟店是铣斯拾灶馋整宪达题阉稍胶拐磕括米齿假沟臭窒溃翘量矗杆沾戏仪鲍嫌例缆噎夹窍鳃铆淳碎郸号窑婶舀皖俘瓷呈榷羌摆龄瑶剔凑坦奏虎茨厅憾祥稼靴侧烫讹陛织份兜直带芭鼎蕉嫩半艳蓝掂鞘腋钞受阐法笑嘿誓人育疚衷懈薪望c#上位机串口通信助手源代码实例详解一、 功能1软件打开时，自动检测有效COM端口2 软件打开时，自动复原到上次关闭时的状态3 不必关闭串口，即可直接进行更改初始化设置内容（串口号、波特率、数据位、停止位、校验位），可按更改后的信息自动将串口重新打开4 可统计接收字节和发送字节的个数5 接收数据可按16进制数据和非16进制数据进行整体转换6 可将接收到数据进行保存7 可设置自动发送，发送时间可进行实时更改8可按字符串、16进制字节、文件方式进行发送，字符串和16进制字节可分别进行存储，内容互不干扰9 按16进制发送时，可自动校验格式，不会输错10 可清空发送或接收区域的数据二、 使用工具Visual Studio2015三、 程序详解1 界面创建图1用winform创建如图1所示界面，控件名字分别为：端口号：cbxCOMPort 波特率：cbxBaudRate数据位：cbxDataBits 停止位：cbxStopBits校验位：label5 打开串口按钮：btnOpenCom发送（byte）：tbSendCount 接收（byte）：tbReceivedCount清空计数按钮：btnClearCount 按16进制显示：cb16Display接收区清空内容按钮：btnClearReceived 保存数据按钮：btnSaveFile接收数据框：tbReceivedData 发送数据框：tbSendData自动发送：cbAutomaticSend 间隔时间：tbSpaceTime按16进制发送：cb16Send 发送区清空内容按钮：btnClearSend读入文件按钮：btnReadFile 发送按钮：btnSend2 创建一个方法类按Ctrl+shift+A快捷键创建一个类，名字叫Methods，代码为：using System;using System.Collections;using System.Collections.Generic;using System.IO.Ports;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 串口助手sdd class Methods /获取有效的COM口 public static string ActivePorts() ArrayList activePorts = new ArrayList(); foreach (string pname in SerialPort.GetPortNames() activePorts.Add(Convert.ToInt32(pname.Substring(3); activePorts.Sort(); string mystr = new stringactivePorts.Count; int i = 0; foreach (int num in activePorts) mystri+ = COM + num.ToString(); return mystr; /16进制字符串转换为byte字符数组 public static Byte _16strToHex(string strValues) string hexValuesSplit = strValues.Split( ); Byte hexValues = new BytehexValuesSplit.Length; Console.WriteLine(hexValuesSplit.Length); for (int i = 0; i hexValuesSplit.Length; i+) hexValuesi = Convert.ToByte(hexValuesSpliti, 16); return hexValues; /byte数组以16进制形式转字符串 public static string ByteTo16Str(byte bytes) string recData = null;/创建接收数据的字符串 foreach (byte outByte in bytes)/将字节数组以16进制形式遍历到一个字符串内 recData += outByte.ToString(X2) + ; return recData; /16进制字符串转换字符串 public static string _16strToStr(string _16str) string outStr = null; byte streamByte = _16strToHex(_16str); outStr = Encoding.Default.GetString(streamByte); return outStr; 2 Form1.cs的代码为：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO.Ports;using System.Linq;using System.Text;using System.Text.RegularExpressions;using System.Threading.Tasks;using System.Windows.Forms;using System.IO;using System.Collections;namespace 串口助手sdd public partial class Form1 : Form /声明变量 SerialPort sp = new SerialPort(); bool isSetProperty = false;/串口属性设置标志位 private enum PortState/声明接口显示状态，枚举型 打开, 关闭 string path = AppDomain.CurrentDomain.BaseDirectory + confing.ini;/声明配置文件路径 string tbSendDataStr = ;/发送窗口字符串存储 string tbSendData16 = ;/发送窗口16进制存储 List receivedDatas = new List();/接收数据泛型数组 /接收串口数据 private void sp_DataReceived(object sender, SerialDataReceivedEventArgs e) byte ReceivedData = new bytesp.BytesToRead;/创建接收字节数组 sp.Read(ReceivedData, 0, ReceivedData.Length);/读取所接收到的数据 receivedDatas.AddRange(ReceivedData); tbReceivedCount.Text = (Convert.ToInt32(tbReceivedCount.Text) + ReceivedData.Length).ToString(); if (cb16Display.Checked) tbReceivedData.Text = Methods.ByteTo16Str(receivedDatas.ToArray(); else tbReceivedData.Text = Encoding.Default.GetString(receivedDatas.ToArray(); sp.DiscardInBuffer();/丢弃接收缓冲区数据 /发送串口数据 private void DataSend() try if (cb16Send.Checked) byte hexBytes = Methods._16strToHex(tbSendData16); sp.Write(hexBytes, 0, hexBytes.Length); tbSendCount.Text = (Convert.ToInt32(tbSendCount.Text) + hexBytes.Length).ToString(); else sp.WriteLine(tbSendDataStr); tbSendCount.Text = (Convert.ToInt32(tbSendCount.Text) + tbSendDataStr.Length).ToString(); catch (Exception ex) MessageBox.Show(ex.Message.ToString(); return; /设置串口属性 private void SetPortProperty() sp.PortName = cbxCOMPort.Text.Trim();/设置串口名 sp.BaudRate = Convert.ToInt32(cbxBaudRate.Text.Trim();/设置波特率 switch (cbxStopBits.Text.Trim()/设置停止位 case 1: sp.StopBits = StopBits.One; break; case 1.5: sp.StopBits = StopBits.OnePointFive; break; case 2: sp.StopBits = StopBits.Two; break; default: sp.StopBits = StopBits.None; break; sp.DataBits = Convert.ToInt32(cbxDataBits.Text.Trim();/设置数据位 switch (cbxParity.Text.Trim()/设置奇偶校验位 case 无: sp.Parity = Parity.None; break; case 奇校验: sp.Parity = Parity.Odd; break; case 偶校验: sp.Parity = Parity.Even; break; default: sp.Parity = Parity.None; break; sp.ReadTimeout = 5000;/设置超时时间为5s Control.CheckForIllegalCrossThreadCalls = false;/这个类中我们不检查跨线程的调用是否合法(因为.net 2.0以后加强了安全机制,，不允许在winform中直接跨线程访问控件的属性) /定义DataReceived事件的委托，当串口收到数据后出发事件 sp.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived); /设置端口显示状态 private void DisplayPortState(PortState portState) toolStripStatusLabel1.Text = cbxCOMPort.Text + 端口 处于 + portState + 状态 + cbxBaudRate.Text + + cbxDataBits.Text + + cbxStopBits.Text + + cbxParity.Text; /重新打开串口 private void AgainOpenPort() if (sp.IsOpen) try sp.Close(); SetPortProperty(); isSetProperty = true; sp.Open(); catch (Exception) isSetProperty = false; btnOpenCom.Text = 打开串口; DisplayPortState(PortState.关闭); MessageBox.Show(串口无效或已被占用!, 错误提示); return; DisplayPortState(PortState.打开); else DisplayPortState(PortState.关闭); public Form1() InitializeComponent(); /软件启动时加载事件 private void Form1_Load(object sender, EventArgs e) #region 加载配置文件 Hashtable ht = new Hashtable(); if (File.Exists(path) try string myline = ; string str = new string2; using (StreamReader sr = new StreamReader(path) myline = sr.ReadLine(); while (myline != null) str = myline.Split(=); ht.Add(str0, str1); myline = sr.ReadLine(); catch(Exception ex) MessageBox.Show(ex.Message.ToString(); #endregion #region 设置窗口为固定大小且不可最大化 this.MaximumSize = this.Size; this.MinimumSize = this.Size; this.MaximizeBox = false; #endregion #region 列出常用的波特率 cbxBaudRate.Items.Add(1200); cbxBaudRate.Items.Add(2400); cbxBaudRate.Items.Add(4800); cbxBaudRate.Items.Add(9600); cbxBaudRate.Items.Add(19200); cbxBaudRate.Items.Add(38400); cbxBaudRate.Items.Add(43000); cbxBaudRate.Items.Add(56000); cbxBaudRate.Items.Add(57600); cbxBaudRate.Items.Add(115200); if (ht.ContainsKey(cbxBaudRate) cbxBaudRate.SelectedIndex = cbxBaudRate.Items.IndexOf(htcbxBaudRate.ToString(); else cbxBaudRate.SelectedIndex = 3; cbxBaudRate.DropDownStyle = ComboBoxStyle.DropDownList; #endregion #region 列出停止位 cbxStopBits.Items.Add(1); cbxStopBits.Items.Add(1.5); cbxStopBits.Items.Add(2); if (ht.ContainsKey(cbxStopBits) cbxStopBits.SelectedIndex = cbxStopBits.Items.IndexOf(htcbxStopBits.ToString(); else cbxStopBits.SelectedIndex = 0; cbxStopBits.DropDownStyle = ComboBoxStyle.DropDownList; #endregion #region 列出数据位 cbxDataBits.Items.Add(8); cbxDataBits.Items.Add(7); cbxDataBits.Items.Add(6); cbxDataBits.Items.Add(5); if (ht.ContainsKey(cbxDataBits) cbxDataBits.SelectedIndex = cbxDataBits.Items.IndexOf(htcbxDataBits.ToString(); else cbxDataBits.SelectedIndex = 0; cbxDataBits.DropDownStyle = ComboBoxStyle.DropDownList; #endregion #region 列出奇偶校验位 cbxParity.Items.Add(无); cbxParity.Items.Add(奇校验); cbxParity.Items.Add(偶校验); if (ht.ContainsKey(cbxParity) cbxParity.SelectedIndex = cbxParity.Items.IndexOf(htcbxParity.ToString(); else cbxParity.SelectedIndex = 0; cbxParity.DropDownStyle = ComboBoxStyle.DropDownList; #endregion #region COM口重新加载 cbxCOMPort.Items.Clear();/清除当前串口号中的所有串口名称 cbxCOMPort.Items.AddRange(Methods.ActivePorts(); if (ht.ContainsKey(cbxCOMPort) & cbxCOMPort.Items.Contains(htcbxCOMPort.ToString() cbxCOMPort.SelectedIndex = cbxCOMPort.Items.IndexOf(htcbxCOMPort.ToString(); else cbxCOMPort.SelectedIndex = 0; cbxCOMPort.DropDownStyle = ComboBoxStyle.DropDownList; #endregion #region 初始化计数器 tbSendCount.Text = 0; tbSendCount.ReadOnly = true; tbReceivedCount.Text = 0; tbReceivedCount.ReadOnly = true; #endregion #region 初始化当前时间 toolStripStatusLabel3.Text = DateTime.Now.ToString(); #endregion #region 初始化串口状态 toolStripStatusLabel1.ForeColor = Color.Blue; if (!isSetProperty)/串口未设置则设置串口属性 SetPortProperty(); isSetProperty = true; try sp.Open(); btnOpenCom.Text = 关闭串口; DisplayPortState(PortState.打开); catch (Exception) /串口打开失败后，串口属性设置标志位设为false isSetProperty = false; MessageBox.Show(串口无效或已被占用!, 错误提示); #endregion #region 初始化间隔时间 if (ht.ContainsKey(tbSpaceTime) tbSpaceTime.Text = httbSpaceTime.ToString(); else tbSpaceTime.Text = 1000; #endregion #region 初始化按16进制显示状态 if (ht.ContainsKey(cb16Display) & htcb16Display.ToString() = True) cb16Display.Checked = true; else cb16Display.Checked = false; #endregion #region 初始化按16进制发送状态 if (ht.ContainsKey(cb16Send) & htcb16Send.ToString() = True) cb16Send.Checked = true; else cb16Send.Checked = false; #endregion #region 初始化发送区文本 if(ht.ContainsKey(tbSendData16) & ht.ContainsKey(tbSendDataStr) tbSendData16 = httbSendData16.ToString(); tbSendDataStr = httbSendDataStr.ToString(); if (cb16Send.Checked) tbSendData.Text = httbSendData16.ToString(); else tbSendData.Text = httbSendDataStr.ToString(); #endregion tbSendDat