ulai02.cs

A .net program for datacollector

		this.textTotalPoints.Size = new System.Drawing.Size(56, 20);
		this.textTotalPoints.TabIndex = 28;
		this.textTotalPoints.Text = "1000";
		// 
		// cmdClear
		// 
		this.cmdClear.BackColor = System.Drawing.SystemColors.Control;
		this.cmdClear.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
		this.cmdClear.ForeColor = System.Drawing.Color.Black;
		this.cmdClear.Location = new System.Drawing.Point(496, 368);
		this.cmdClear.Name = "cmdClear";
		this.cmdClear.TabIndex = 29;
		this.cmdClear.Text = "clear";
		this.cmdClear.Click += new System.EventHandler(this.cmdClear_Click);
		// 
		// frmDataDisplay
		// 
		this.AutoScaleBaseSize = new System.Drawing.Size(6, 13);
		this.BackColor = System.Drawing.SystemColors.Window;
		this.ClientSize = new System.Drawing.Size(1000, 405);
		this.Controls.Add(this.cmdClear);
		this.Controls.Add(this.textTotalPoints);
		this.Controls.Add(this.label4);
		this.Controls.Add(this.label3);
		this.Controls.Add(this.textStep);
		this.Controls.Add(this.cmdDraw);
		this.Controls.Add(this.txtSamplesPerCh);
		this.Controls.Add(this.label2);
		this.Controls.Add(this.cmdSaveCounts);
		this.Controls.Add(this.cmdStopConvert);
		this.Controls.Add(this.cmdStart);
		this.Controls.Add(this.Label1);
		this.Controls.Add(this.lblDemoFunction);
		this.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
		this.ForeColor = System.Drawing.Color.Blue;
		this.Location = new System.Drawing.Point(190, 108);
		this.Name = "frmDataDisplay";
		this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
		this.Text = "Universal Library Analog Input Scan";
		this.ResumeLayout(false);

	}

#endregion

    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
        Application.Run(new frmDataDisplay());
    }
    

    private void cmdStart_Click(object eventSender, System.EventArgs eventArgs) 
    {
        int j;
        int i;
        MccDaq.ErrorInfo ULStat;
        MccDaq.Range Range;
        MccDaq.ScanOptions Options;
        int Rate;
        int Count;
        int LowChan;
		int HighChan;
        
		float TemSamp;


        cmdStart.Enabled = false;

        //  Collect the values by calling MccDaq.MccBoard.AInScan function
        //  Parameters:
        //    LowChan    :the first channel of the scan
        //    HighChan   :the last channel of the scan
        //    Count      :the total number of A/D samples to collect
        //    Rate       :sample rate
        //    Range      :the range for the board
        //    MemHandle  :Handle for Windows buffer to store data in
        //    Options    :data collection options
        LowChan = 0; //  first channel to acquire
		HighChan=1; //   last channel to acquire

        //HighChan = int.Parse(txtHighChan.Text); //  last channel to acquire
        //if ((HighChan > 7)) HighChan = 7;
        //txtHighChan.Text = HighChan.ToString();

        Count = NumPoints;	//  total number of data points to collect
        Rate = 16000;			//  per channel sampling rate ((samples per second) per channel)

        //  return data as 12-bit values (ignored for 16-bit boards)
        Options = MccDaq.ScanOptions.ConvertData;
        Range = MccDaq.Range.Bip1Volts; // set the range
        

        ULStat = DaqBoard.AInScan( LowChan, HighChan, Count, ref Rate, Range, MemHandle, Options);

        if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.BadRange)
        {
            MessageBox.Show( "Change the Range argument to one supported by this board.", "Unsupported Range", 0);
        }
        


        //  Transfer the data from the memory buffer set up by Windows to an array
        ULStat = MccDaq.MccService.WinBufToArray( MemHandle, out ADData[0], FirstPoint, Count);
        
        /*
        for (i=0; i<=HighChan; ++i)
           lblADData[i].Text = ADData[i].ToString("D");
        
        for (j=HighChan + 1; j<=7; ++j)
           lblADData[j].Text = "0";*/

		//unpack the array into each channel
		//for(i=0; i<=(NumPoints-ChanNum); i=i+ChanNum)
		//{
			//ADData_ch0[i]
		//}

		FileStream dataFile_ch0=new FileStream("E:/micArray/dataV_ch0.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch0=new StreamWriter(dataFile_ch0);
		FileStream dataFile_ch1=new FileStream("E:/micArray/dataV_ch1.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch1=new StreamWriter(dataFile_ch1);

		for(i=0; i<=(NumPoints-ChanNum); i=i+ChanNum)
		{
			//write data from ch0 to file dataV_ch0.txt
			ULStat=DaqBoard.ToEngUnits( Range, ADData[i], out TemSamp);
			sw_ch0.Write(TemSamp);
			sw_ch0.Write(space);

			//write data from ch1 to file dataV_ch1.txt
			ULStat=DaqBoard.ToEngUnits( Range, ADData[i+1], out TemSamp);
			sw_ch1.Write(TemSamp);
			sw_ch1.Write(space);		
		}
		sw_ch0.Close();
		sw_ch1.Close();

       
        cmdStart.Enabled = true;
    }


    private void cmdStopConvert_Click(object eventSender, System.EventArgs eventArgs)
    {
        MccDaq.ErrorInfo ULStat;

        ULStat = MccDaq.MccService.WinBufFree(MemHandle); //  Free up memory for use by
														//  other programs
		MemHandle = 0;

        Application.Exit();
    }

	
	private void cmdSaveCounts_Click(object sender, System.EventArgs e)
	{
		FileStream dataFile_ch0=new FileStream("E:/micArray/data_ch0.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch0=new StreamWriter(dataFile_ch0);
		FileStream dataFile_ch1=new FileStream("E:/micArray/data_ch1.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch1=new StreamWriter(dataFile_ch1);
		

		for(int i=0; i<=(NumPoints-ChanNum); i=i+ChanNum)
		{
			sw_ch0.Write(ADData[i]);
			sw_ch0.Write(space);
			sw_ch1.Write(ADData[i+1]);
			sw_ch1.Write(space);		
		}
		sw_ch0.Close();
		sw_ch1.Close();
	
	}

	private void cmdSveVolts_Click(object sender, System.EventArgs e)
	{
		float TemSamp;
		MccDaq.ErrorInfo ULStat;
		MccDaq.Range Range;
		Range = MccDaq.Range.Bip1Volts;
		
		FileStream dataFile_ch0=new FileStream("E:/micArray/dataV_ch0.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch0=new StreamWriter(dataFile_ch0);
		FileStream dataFile_ch1=new FileStream("E:/micArray/dataV_ch1.txt",FileMode.Create,FileAccess.Write);
		StreamWriter sw_ch1=new StreamWriter(dataFile_ch1);

		for(int i=0; i<=(NumPoints-ChanNum); i=i+ChanNum)
		{
			//write data from ch0 to file dataV_ch0.txt
			ULStat=DaqBoard.ToEngUnits( Range, ADData[i], out TemSamp);
			sw_ch0.Write(TemSamp);
			sw_ch0.Write(space);

			//write data from ch1 to file dataV_ch1.txt
			ULStat=DaqBoard.ToEngUnits( Range, ADData[i+1], out TemSamp);
			sw_ch1.Write(TemSamp);
			sw_ch1.Write(space);		
		}
		sw_ch0.Close();
		sw_ch1.Close();
	}

	private void cmdDraw_Click(object sender, System.EventArgs e)
	{
		MccDaq.ErrorInfo ULStat;
		MccDaq.Range Range;
		Range = MccDaq.Range.Bip1Volts;

		int Step;
		int NumDraw;
		int StartY;
		int EndY;

		float TempSamp;

		
		using(Graphics g=this.CreateGraphics())
		{
			g.DrawLine(Pens.Black, new Point(0,240), new Point(ClientRectangle.Width,240));
			g.DrawLine(Pens.Black, new Point(0,140), new Point(ClientRectangle.Width,140));
			g.DrawLine(Pens.Black, new Point(0,340), new Point(ClientRectangle.Width,340));
		}

		//initialize the drawing parameters
		
		const int maxNum=1000;
		Step = int.Parse(textStep.Text); 
		textStep.Text = Step.ToString();
		NumDraw = int.Parse(textTotalPoints.Text); 
		textTotalPoints.Text = NumDraw.ToString();

		//To make sure that all parameters are valid
		if(NumDraw>maxNum)
			NumDraw=maxNum;
		if(NumDraw>NumPerCh-1)
			NumDraw=NumPerCh-1;
		if(NumDraw*Step>NumPerCh-1)
			Step=(NumPerCh-1)/NumDraw;
		if(NumDraw*Step>NumPerCh-1)
			Step=Step-1;

		ULStat=DaqBoard.ToEngUnits( Range, ADData[0], out TempSamp);
		StartY=240+Convert.ToInt32(TempSamp*100);
		Point StartP = new Point(0,StartY);
		Point EndP;
		for (int i=1; i<=NumDraw; i++)
		{
			ULStat=DaqBoard.ToEngUnits( Range, ADData[i*Step*ChanNum], out TempSamp);
			EndY=240+Convert.ToInt32(TempSamp*100);
			EndP= new Point(i,EndY);
			using(Graphics g=this.CreateGraphics())
			{
				g.DrawLine(Pens.Blue, StartP, EndP);
				
			}
			StartP=EndP;

		}
	
		
	}

	private void cmdClear_Click(object sender, System.EventArgs e)
	{
		using(Graphics g=this.CreateGraphics())
		{
			g.Clear(Color.White);
			g.DrawLine(Pens.Black, new Point(0,240), new Point(ClientRectangle.Width,240));
			g.DrawLine(Pens.Black, new Point(0,140), new Point(ClientRectangle.Width,140));
			g.DrawLine(Pens.Black, new Point(0,340), new Point(ClientRectangle.Width,340));
				
		}
	
	}

	
	


}
}