z_comm_ex.cs

串口通信组件

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using Microsoft.Win32;
namespace Z_COMM_EX
{
	/// <summary>
	/// UserControl1 的摘要说明。
	/// </summary>
	/// 
	public delegate void SecManageHandle(object sender,EventArgs e);
	public class Z_COMM_EX : System.Windows.Forms.UserControl
	{
		private System.Windows.Forms.GroupBox qqq;
		private System.Windows.Forms.ComboBox cc2;
		private System.Windows.Forms.ComboBox cc1;
		private System.Windows.Forms.Label l2;
		private System.Windows.Forms.Label l1;
		private bool ReceiveFlag=false;//是否接收数据的标志
		private ArrayList receivedatabyte=new ArrayList();//十进制数
		private ArrayList receivedataorigin=new ArrayList();//原始数据
		private int receivenum=0;//
		private byte databegin; //数据包开始字符
		private byte dataend; //数据包结束字符
		public AxMSCommLib.AxMSComm axMSComm1;
		[Description("接收完数据事件。当将串口接收到的数据保存至数组receivedataorigin中后产生"),Category("数据处理")]
		public event SecManageHandle SecManage;
		protected virtual void OnSecManage(EventArgs e)
		{
			if(SecManage!=null)
				SecManage(this,e);
		}
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Z_COMM_EX()
		{
			// 该调用是 Windows.Forms 窗体设计器所必需的。
			InitializeComponent();
			this.ReadSet();
            this.Resize+=new EventHandler(Z_COMM_EX_Resize);
			SetStyle(System.Windows.Forms.ControlStyles.SupportsTransparentBackColor,true);
			// TODO: 在 InitComponent 调用后添加任何初始化

		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if( components != null )
					components.Dispose();
			}
			base.Dispose( disposing );
		}

		#region 组件设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器 
		/// 修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Z_COMM_EX));
			this.qqq = new System.Windows.Forms.GroupBox();
			this.axMSComm1 = new AxMSCommLib.AxMSComm();
			this.cc2 = new System.Windows.Forms.ComboBox();
			this.cc1 = new System.Windows.Forms.ComboBox();
			this.l2 = new System.Windows.Forms.Label();
			this.l1 = new System.Windows.Forms.Label();
			this.qqq.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.axMSComm1)).BeginInit();
			this.SuspendLayout();
			// 
			// qqq
			// 
			this.qqq.Controls.Add(this.axMSComm1);
			this.qqq.Controls.Add(this.cc2);
			this.qqq.Controls.Add(this.cc1);
			this.qqq.Controls.Add(this.l2);
			this.qqq.Controls.Add(this.l1);
			this.qqq.Location = new System.Drawing.Point(0, 0);
			this.qqq.Name = "qqq";
			this.qqq.Size = new System.Drawing.Size(184, 88);
			this.qqq.TabIndex = 0;
			this.qqq.TabStop = false;
			this.qqq.Text = "串口设置";
			// 
			// axMSComm1
			// 
			this.axMSComm1.ContainingControl = this;
			this.axMSComm1.Enabled = true;
			this.axMSComm1.Location = new System.Drawing.Point(16, 40);
			this.axMSComm1.Name = "axMSComm1";
			this.axMSComm1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axMSComm1.OcxState")));
			this.axMSComm1.Size = new System.Drawing.Size(38, 38);
			this.axMSComm1.TabIndex = 5;
			this.axMSComm1.OnComm += new System.EventHandler(this.axMSComm1_OnComm);
			// 
			// cc2
			// 
			this.cc2.Items.AddRange(new object[] {
													 "1200",
													 "2400",
													 "9600",
													 "14400",
													 "19200",
													 "28800",
													 "38400",
													 "115200"});
			this.cc2.Location = new System.Drawing.Point(80, 56);
			this.cc2.Name = "cc2";
			this.cc2.Size = new System.Drawing.Size(88, 20);
			this.cc2.TabIndex = 4;
			this.cc2.Text = "9600";
			// 
			// cc1
			// 
			this.cc1.Items.AddRange(new object[] {
													 "COM1",
													 "COM2",
													 "COM3",
													 "COM4"});
			this.cc1.Location = new System.Drawing.Point(80, 24);
			this.cc1.Name = "cc1";
			this.cc1.Size = new System.Drawing.Size(88, 20);
			this.cc1.TabIndex = 3;
			this.cc1.Text = "COM1";
			// 
			// l2
			// 
			this.l2.AutoSize = true;
			this.l2.Location = new System.Drawing.Point(8, 56);
			this.l2.Name = "l2";
			this.l2.Size = new System.Drawing.Size(66, 17);
			this.l2.TabIndex = 2;
			this.l2.Text = "  波特率：";
			this.l2.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// l1
			// 
			this.l1.AutoSize = true;
			this.l1.Location = new System.Drawing.Point(8, 24);
			this.l1.Name = "l1";
			this.l1.Size = new System.Drawing.Size(66, 17);
			this.l1.TabIndex = 1;
			this.l1.Text = "通信端口：";
			this.l1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
			// 
			// Z_COMM_EX
			// 
			this.Controls.Add(this.qqq);
			this.Name = "Z_COMM_EX";
			this.Size = new System.Drawing.Size(192, 96);
			this.qqq.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.axMSComm1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		protected override void OnPaint(PaintEventArgs e)
		{
			base.OnPaint (e);
            this.DrawControl();
		}
		private void DrawControl()
		{
			this.qqq.Width=this.Width;
			this.qqq.Height=this.Height;
			this.l1.Location=new Point(10,this.cc1.Height+5);
			this.l2.Location=new Point(10,(int)(this.cc1.Height*2.5)+5);
			this.cc1.Location=new Point(this.l1.Width+10,this.cc1.Height);
			this.cc2.Location=new Point(this.l2.Width+10,(int)(this.cc1.Height*2.5));
			this.cc1.Width=this.Width-this.l1.Width-20;
			this.cc2.Width=this.Width-this.l2.Width-20;
			this.Height=this.cc2.Location.Y+(int)(1.5*this.cc2.Height);
            
		}

		private void Z_COMM_EX_Resize(object sender, EventArgs e)
		{
			this.Invalidate();
		}
		[Description("字体"),Category("设置")]
		public Font Z_COMMEXFont
		{
			get
			{
				return this.qqq.Font;
			}
			set
			{
				this.qqq.Font=value;
				this.Invalidate();
			}
		}
		[Description("颜色"),Category("设置")]
		public Color Z_COMMForeColor
		{
			get
			{
				return this.qqq.ForeColor;
			}
			set
			{
				this.qqq.ForeColor=value;
				this.Invalidate();
			}
		}
		[Description("下拉列表框的颜色"),Category("设置")]
		public Color Z_COMMColor
		{
			get
			{
				return this.cc1.ForeColor;
			}
			set
			{
				this.cc1.ForeColor=value;
				this.cc2.ForeColor=value;
				this.Invalidate();
			}
		}
		[Description("数据包起始字符"),Category("数据包格式")]
		public byte DataBegin
		{
			get
			{
				return databegin;
			}
			set
			{
				databegin=value;
			}
		}
		[Description("数据包结束字符"),Category("数据包格式")]
		public byte DataEnd
		{
			get
			{
				return dataend;
			}
			set
			{
				dataend=value;
			}
		}
		[Description("接收到完整数据包的次数"),Category("数据包格式")]
		public int ReceiveNum
		{
			get
			{
				return receivenum;
			}
			set
			{
				receivenum=value;
			}
		}
		[Description("用于接收数据的可变数组")]
		public ArrayList ReceiveDataOrigin
		{
			get
			{
				return receivedataorigin;
			}
		}
		[Description("转化后的数据接收数组")]
		public ArrayList ReceiveDataByte
		{
			get
			{
				return receivedatabyte;
			}
		}

		/// <summary>
		/// 读注册表中串口信息
		/// </summary>
		public void ReadSet()
		{
			//读注册表中串口信息
			RegistryKey r=Registry.LocalMachine.CreateSubKey("software\\Z_COMM_EX");
			RegistryKey r1=r.CreateSubKey("mycomm");
			this.cc1.Text=(string)r1.GetValue("port","COM2");
			this.cc2.Text=(string)r1.GetValue("setting","9600");
			r1.Close();
			r.Close();
		}

		
		/// <summary>
		/// 写注册表中串口信息
		/// </summary>
		public void WriteSet()
		{
			//写注册表中串口信息
			RegistryKey r=Registry.LocalMachine.CreateSubKey("software\\Z_COMM_EX");
			RegistryKey r1=r.CreateSubKey("mycomm");
			r1.SetValue("port",this.cc1.Text);
			r1.SetValue("setting",this.cc2.Text);
			r1.Close();
			r.Close();
		}

		/// <summary>
		/// 串口初始化
		/// </summary>

		public void InitCommPort()
		{
			//串口初始化
			try
			{
				this.WriteSet();

				if (this.axMSComm1.PortOpen==true)
					this.axMSComm1.PortOpen=false;
				//设置通信端口
				if(this.cc1.Text=="COM1")
					this.axMSComm1.CommPort=1;
				else if(this.cc1.Text=="COM2")
					this.axMSComm1.CommPort=2;
				else if(this.cc1.Text=="COM3")
					this.axMSComm1.CommPort=3;
				else
					this.axMSComm1.CommPort=4;
				//设置波特率
				this.axMSComm1.Settings=this.cc2.Text+",N,8,1";
//				this.axMSComm1.InputLen=1;
				this.axMSComm1.RThreshold=1;
				this.axMSComm1.PortOpen=true;       //打开串口
			
			}
			catch(Exception e)
			{
				DialogResult result;
				result=MessageBox.Show(e.Message+"\r请重新配置串口！","消息提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
			}
		}

		private void axMSComm1_OnComm(object sender, System.EventArgs e)
		{
			//"F0"起始，"FF"结束
			object av;
			byte[] a;
			if(this.axMSComm1.CommEvent==2)
			{
				av=this.axMSComm1.Input;
				a=(byte[])av;
				if(!ReceiveFlag) //检验是否收到数据包开始标志
				{
					for(int i=0;i<a.Length;i++)
					{
						if(a[i]==this.DataBegin)
						{
							ReceiveFlag=true;
							ReceiveDataOrigin.Clear();
						}
						if(ReceiveFlag)//收到数据包开始标志，但此次读取的数据还没有转化完时，将包中的数据转存入ReceiveDataOrigin，包括开始标志“F0”
						{
							
							ReceiveDataOrigin.Add(a[i]);
						}				
						if(a[i]==dataend)
						{
							ReceiveFlag=false;
							PreManage();
						}
					}
				}
				else
				{
					for(int i=0;i<a.Length;i++)
					{
						//收到数据包结束标志，将ReceiveFlag付值为false，将包中的数据转存入ReceiveDataOrigin，包括结束标志“FF”	
						ReceiveDataOrigin.Add(a[i]);
						if(a[i]==dataend)
						{
							ReceiveFlag=false;
							PreManage();
						}
											
					}
				}
			}
		}

		/// <summary>
		/// 预处理。当接收本数据包数据完成后，将调用此函数完成初级的处理
		/// </summary>
		private void PreManage()
		{
			//预处理。当接收本数据包数据完成后，将调用此函数完成初级的处理。包括：1、把bcd码转化为二进制  2、引发SecManage事件，把控制权交给其他相关窗体
			this.ReceiveNum++;//接收到完整数据包的次数加1

			OnSecManage(EventArgs.Empty);//引发SecMange事件，在相关窗体中进行深度处理。
		} 

		/// <summary>
		/// 把接收到的数据去掉开始、结束标志，并转化为十进制数
		/// </summary>
		public void ChangeBcd()
		{ 
			byte a;
			byte b;
			this.ReceiveDataByte.Clear();
			for(int i=1;i<this.ReceiveDataOrigin.Count-1;i++)
			{
				a=(byte)this.ReceiveDataOrigin[i];
//				this.ReceiveDataByte.Add(Convert.ToByte(a.ToString("X"),10));
                b=(byte)(a-a/16*6);
				this.receivedatabyte.Add(b);
			}
		}

		public void SendArray(byte[] b)
		{
			this.axMSComm1.Output=b;
		}
		public void ClosePort()
		{
			this.axMSComm1.PortOpen=false;
		}

	}
}