comport.cs

C sharp - Serial comm port using MSCOMM control

			this.nlist_RTh.Name = "nlist_RTh";
			this.nlist_RTh.TabIndex = 15;
			this.nlist_RTh.Value = new System.Decimal(new int[] {
																	3,
																	0,
																	0,
																	0});
			// 
			// label7
			// 
			this.label7.Location = new System.Drawing.Point(184, 32);
			this.label7.Name = "label7";
			this.label7.Size = new System.Drawing.Size(72, 16);
			this.label7.TabIndex = 17;
			this.label7.Text = "RThreshold:";
			// 
			// cb_handshaking
			// 
			this.cb_handshaking.Items.AddRange(new object[] {
																"None",
																"RTS",
																"RTSXOnXOff",
																"XOnXoff"});
			this.cb_handshaking.Location = new System.Drawing.Point(184, 104);
			this.cb_handshaking.Name = "cb_handshaking";
			this.cb_handshaking.Size = new System.Drawing.Size(120, 21);
			this.cb_handshaking.TabIndex = 19;
			this.cb_handshaking.Text = "None";
			// 
			// cb_DTRenable
			// 
			this.cb_DTRenable.Location = new System.Drawing.Point(184, 136);
			this.cb_DTRenable.Name = "cb_DTRenable";
			this.cb_DTRenable.Size = new System.Drawing.Size(88, 16);
			this.cb_DTRenable.TabIndex = 21;
			this.cb_DTRenable.Text = "DTR Enable";
			// 
			// btDefault
			// 
			this.btDefault.Location = new System.Drawing.Point(176, 184);
			this.btDefault.Name = "btDefault";
			this.btDefault.Size = new System.Drawing.Size(56, 23);
			this.btDefault.TabIndex = 3;
			this.btDefault.Text = "Default";
			this.btDefault.Click += new System.EventHandler(this.btDefault_Click);
			// 
			// ComPort
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(368, 269);
			this.Controls.Add(this.groupBox1);
			this.Name = "ComPort";
			this.Text = "Com Port Setting";
			this.Load += new System.EventHandler(this.ComPort_Load);
			this.Closed += new System.EventHandler(this.ComPort_Closed);
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.nlist_inputLen)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.nlist_port)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.nlist_RTh)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void ComPort_Load(object sender, System.EventArgs e)
		{
			import();
		}

		private void ComPort_Closed(object sender, System.EventArgs e)
		{
			try 
			{
				export();
			}
			catch
			{
				MessageBox.Show ("Com Port Setting Fail !!!");
			}
		}

		private void import()
		{
			AxMSCommLib.AxMSComm s = new AxMSCommLib.AxMSComm();
			s = obj_MyMSComm;
			
			// import port setting
			// com port
			nlist_port.Value		= s.CommPort ;

			// com setting : baud,parity,databits,stopbits
			int m_pointString;

			if (s.Settings .Substring (s.Settings .Length-2,1) ==",")
				m_pointString =0;
			else
				m_pointString =2;

			cb_baud.Text			= s.Settings.Substring (0,s.Settings.Length-6 -(m_pointString));
			string m_parity = s.Settings.Substring (s.Settings .Length -5 -(m_pointString),1);
			switch (m_parity)
			{
				case ("n"):
					cb_parity.Text = "none";
					break;
				case ("o"):
					cb_parity.Text = "odd";
					break;
				case ("e"):
					cb_parity.Text = "even";
					break;
				case ("m"):
					cb_parity.Text = "mark";
					break;
				case ("s"):
					cb_parity.Text = "Space";
					break;
			}
			cb_dataBits.Text		= s.Settings.Substring (s.Settings .Length -3-(m_pointString),1);
			cb_stopBits.Text		= s.Settings.Substring (s.Settings .Length -1-(m_pointString));
			
			// com input mode setting
			cb_inputMode.Text		= s.InputMode.ToString ().Substring (12);

			// com input len
			nlist_inputLen.Value	= s.InputLen ;






			// import port advance setting
			// com RThreshold
			nlist_RTh.Value			= s.RThreshold ;

			// com DTREnable
			cb_DTRenable.Checked	= s.DTREnable ;

			// com Handshaking
			cb_handshaking.Text		= s.Handshaking .ToString ().Substring (3);
			
			// com Null Discard
			cb_NullDiscard.Checked	= s.NullDiscard;
		}

		private void export()
		{
			AxMSCommLib.AxMSComm s = new AxMSCommLib.AxMSComm();
			s = obj_MyMSComm;
			
			// exportt port setting
			// com port
			s.CommPort = short.Parse (nlist_port.Value.ToString ());


			// com setting : baud,parity,databits,stopbits
			string m_settings;
			m_settings = cb_baud.Text + "," + cb_parity.Text .Substring (0,1) + "," + cb_dataBits.Text +"," +cb_stopBits.Text ;
			s.Settings = m_settings;

			// com input mode setting
			if (cb_inputMode.Text =="Text")
				s.InputMode = MSCommLib.InputModeConstants .comInputModeText ;
			else
				s.InputMode = MSCommLib.InputModeConstants .comInputModeBinary ;

			// com input len
			s.InputLen = short.Parse (nlist_inputLen.Value.ToString ())	;





			// import port advance setting
			// com RThreshold
			s.RThreshold = short.Parse (nlist_RTh.Value.ToString ()) ;

			// com DTREnable
			s.DTREnable = cb_DTRenable.Checked ;


			// com Handshaking
			string m_handshaking;
			m_handshaking = cb_handshaking.Text ;
			switch (m_handshaking)
			{
				case ("None"):
					s.Handshaking = MSCommLib.HandshakeConstants .comNone ;
					break;
				case ("RTS"):
					s.Handshaking = MSCommLib.HandshakeConstants .comRTS ;
					break;
				case ("RTSXOnXOff"):
					s.Handshaking = MSCommLib.HandshakeConstants.comRTSXOnXOff ;
					break;
				case ("XOnXoff"):
					s.Handshaking = MSCommLib.HandshakeConstants.comXOnXoff ;
					break;
			}

			// com Null Discard
			s.NullDiscard = cb_NullDiscard.Checked;

						
			// to be change, if the MainForm name was changed.
			MainForm rtMSComm = new MainForm (s);
		}

		private void btCancel_Click(object sender, System.EventArgs e)
		{
			obj_MyMSComm =obj_BaseMSCommTemp ;
			import();
		}

		private void btOK_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void btDefault_Click(object sender, System.EventArgs e)
		{
			obj_MyMSComm = DefaultSetting(obj_MyMSComm);
			import();            
		}

/* ************************************************************************************************************
 * 
 *		ComPort Function (extern)
 * 
 * ************************************************************************************************************/
		public static AxMSCommLib.AxMSComm DefaultSetting(AxMSCommLib.AxMSComm objMSComm)
		{
			AxMSCommLib.AxMSComm s = new AxMSCommLib.AxMSComm();
			s = objMSComm;

			s.RThreshold =1;
			s.Settings ="9600,n,8,1";
			s.DTREnable = false;		// if error try set to true
			s.Handshaking = MSCommLib.HandshakeConstants.comNone ;
			s.InputMode = MSCommLib.InputModeConstants .comInputModeBinary ;
			s.InputLen =0;
			s.NullDiscard = false;

			return (s);
		}

	}



	/* ************************************************************************************************************
	 * 
	 *		Numeric Function (extern)
	 * 
	 * ************************************************************************************************************/

	public class Numeric
	{
		public	string Hex;
		public	int Dec;
		public  byte Byte;
		public	string Symbol;
		public	string Ascii;
		public	string Binary;

		public Numeric(int m_Dec)
		{
			Dec = m_Dec;
			Hex = Convert.ToString (m_Dec,16);
			Byte = byte.Parse (m_Dec.ToString ());
			Symbol = m_Dec.ToString ();
			Ascii = ((char) Dec).ToString();
			Binary = Convert.ToString (Dec,2);
		}

		public void FromDec(int m_Dec)
		{
			Dec = m_Dec;
			Hex = Convert.ToString (m_Dec,16);
			Byte = byte.Parse (m_Dec.ToString ());
			Symbol = m_Dec.ToString ();
			Ascii = ((char) Dec).ToString();
			Binary = Convert.ToString (Dec,2);
		}

		public void FromHex(string m_Hex)
		{
			Dec = Convert.ToInt32 (m_Hex,16);
			Hex = m_Hex;
			Byte = byte.Parse (Dec.ToString ());
			Symbol = Dec.ToString ();
			Ascii = ((char) Dec).ToString();
			Binary = Convert.ToString (Dec,2);
		}

	}


}




// step to import data and export data in between this form and MainForm

// step 1
// include the namespace in both form.

// step 2
/* write the following example code to MainForm, to open this "setting form"
	
	private void btSetting_Click(object sender, System.EventArgs e)
	{
		ComPort f = new ComPort (MSComm1);
		f.ShowDialog();
	}
*/

// step 3
/*	add one more function at MainForm to access the value from "this form"
	
	public MainForm (AxMSCommLib.AxMSComm objMSComm)
	{
		MSComm1 = objMSComm;
	}
	
// step 4
	// then write the following example code at this form to transfer data to MainForm
	MainForm rtMSComm = new MainForm (MSComm2);
*/