Form1.cs
- and here the whole code...
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Globalization;
using System.Diagnostics;
using MathNet.Numerics; // Library for
using MathNet.Numerics.IntegralTransforms; // FFT
using System.Windows.Forms.DataVisualization.Charting;
using System.Numerics; // complex number format
namespace CHRreader_2
{
// stop button general delegate
public delegate void ptrf_stopPressed();
public delegate void ptrf_startPressed();
public partial class Form1 : Form
{
public event ptrf_stopPressed genStopped;
public event ptrf_startPressed genStarted;
#region TIMER FCN
private Timer time = new Timer(); // set of the timer
Stopwatch stopWatch; // activate the stopwatch
double ttime = 0; // say this is the time 0
static int counter = 0; // set ticker counter to 0
private void InitializeTimer()
{
stopWatch = new Stopwatch();
try {
setupMeasurement();
time.Interval = Convert.ToInt32(comboBox1.SelectedItem);
}
catch {
time.Interval = 100;
}
time.Tick += new EventHandler(IncreaseProgressBar); // Tick function is a pointer to IncreaseProgressBar
time.Tick += new EventHandler(timer_function1);
time.Start();
stopWatch.Start();
}
private void setupMeasurement()
{
double tms = Convert.ToDouble(comboBox1.SelectedItem);
double nsteps = Convert.ToDouble(textBox1.Text);
double t = tms * nsteps / 1000.0;
label5.Text = t.ToString() + " sec";
progressBar1.Maximum = Convert.ToInt32(nsteps);
}
#endregion
#region ADDITONAL UIs
Form2 Analyser; // poniter Analyser to Form2
#endregion
#region GLOBAL static lists which can be aproached from another classes
public static List vec1, vec2, vec3, vec4; // available lists
public static double sampFreq;
public static bool runTime = false; // still runing or not
#endregion
#region CONSTRUCTOR
public Form1()
{
InitializeComponent(); // VSTUDIO
StartPosition = FormStartPosition.Manual;
Location = new Point(10, 50);
setupGenDefaults(); // sets up the form members for the first screen ..
vec1 = new List(); // initialize vector;
vec2 = new List(); // initialize vector;
vec3 = new List(); // initialize vector;
vec4 = new List(); // initialize vector;
sampFreq = Convert.ToDouble(textBoxFs.Text);
}
private void setupGenDefaults()
{
// trackBar1
//
//
// setup the bars and labels for function generator ...
// wave 1 setups
trackBarAmp1.Maximum = 10;
trackBarAmp1.Value = 1;
labelA1.Text = " A1 : " + trackBarAmp1.Value.ToString(); // trackBar 1
lblPH1.Text = "PH1: " + trackBarPhase1.Value.ToString() + " °";
lblF1.Text = "FR. : " + textBoxFreq1.Text + " Hz";
trackBarPhase1.Maximum = 10;
trackBarPhase1.Value = 0;
// wave 2 setups
trackBarAmp2.Maximum = 10;
trackBarAmp2.Value = 1;
labelA2.Text = " A2 : " + trackBarAmp1.Value.ToString(); // trackBar2
lblPH2.Text = "PH2: " + trackBarPhase2.Value.ToString() + " °";
lblF2.Text = "FR. : " + textBoxFreq2.Text + " Hz";
trackBarPhase2.Maximum = 10;
trackBarPhase2.Value = 0;
//wave 3 setups
trackBarAmp3.Maximum = 10;
trackBarAmp3.Value = 1;
labelA3.Text = " A3 : " + trackBarAmp3.Value.ToString(); // trackBar3
lblPH3.Text = "PH3: " + trackBarPhase3.Value.ToString() + " °";
lblF3.Text = "FR. : " + textBoxFreq3.Text + " Hz";
trackBarPhase3.Maximum = 10;
trackBarPhase3.Value = 0;
}
#endregion
#region UI Components
private void button1_Click(object sender, EventArgs e)
{
runTime = true;
if (Analyser != null) // if object exists
{
genStarted += new ptrf_startPressed(Analyser.setSemaphore); // conncet pointer to function
genStarted(); // emit event ..
}
// clear the vectors available
vec1.Clear();
vec2.Clear();
vec3.Clear();
vec4.Clear();
// set the time based variables and UI components
progressBar1.Value = 0;
ttime = 0;
counter = 0;
// clear the charts
chartCleaner();
// restart all
setupMeasurement();
InitializeTimer();
// send information about eventuall campling frequency change to globals
sampFreq = Convert.ToDouble(textBoxFs.Text);
}
private void chartCleaner()
{
chart1.Series["wave"].Points.Clear();
chart1.Series["wave2"].Points.Clear();
chart1.Series["wave3"].Points.Clear();
chart1.Series["wave4"].Points.Clear();
}
#endregion
#region TIMER BASED EVENT FUNCTION CALLERS
/// Happens at every tick of msec setup in the UI
///
/// fun1: IncreaseProgressBar()
/// fun2: timer_function1() 1.this block 2.this block
/// ....|----|.........|----|........|-----| ... until condition finished
/// 50msec 50msec
private void IncreaseProgressBar(object sender, EventArgs e)
{
progressBar1.Increment(1);
double progVal = progressBar1.Value;
double nsteps = Convert.ToDouble(textBox1.Text);
label1.Text = Convert.ToString(100*progVal/nsteps) + "% Completed";
if (progressBar1.Value == progressBar1.Maximum)
{
time.Stop();
runTime = false; // not running anymore .. .
if (Analyser != null)
{
genStopped += new ptrf_stopPressed(Analyser.setSemaphore);
genStopped();
}
}
}
private void timer_function1(object sender, EventArgs e)
{
/// Stopwatch stops on every tick after start button pressed
stopWatch.Stop();
TimeSpan ts = stopWatch.Elapsed;
ttime += ts.TotalMilliseconds/1000;
lblElapsed.Text = ttime.ToString() + "[sec]";
lblTime.Text = ts.Milliseconds.ToString() + " [msec]";
counter++;
// take the sampling rate
double dt = 1/Convert.ToDouble(textBoxFs.Text);
//
// Just taking inputs from the UI every time it ticks
//
// create the waves given the frequencies, sampling time and phase
double f1 = Convert.ToDouble(textBoxFreq1.Text);
double a1 = Convert.ToDouble(trackBarAmp1.Value);
double _ph1 = Convert.ToDouble(trackBarPhase1.Value);
double ph1 = convert2Deg(_ph1, trackBarPhase1.Maximum);
if (!checkBox1.Checked)
a1 = 0;
double f2 = Convert.ToDouble(textBoxFreq2.Text);
double a2 = Convert.ToDouble(trackBarAmp2.Value);
double _ph2 = Convert.ToDouble(trackBarPhase2.Value);
double ph2 = convert2Deg(_ph2, trackBarPhase2.Maximum);
if (!checkBox2.Checked)
a2 = 0;
double f3 = Convert.ToDouble(textBoxFreq3.Text);
double a3 = Convert.ToDouble(trackBarAmp3.Value);
double _ph3 = Convert.ToDouble(trackBarPhase3.Value);
double ph3 = convert2Deg(_ph3, trackBarPhase3.Maximum);
if (!checkBox3.Checked)
a3 = 0;
// .............................................................. on each step update what is in UI
double w1 = a1*wave(f1, dt, ph1);
double w2 = a2*wave(f2, dt, ph2);
double w3 = a3*wave(f3, dt, ph3);
vec1.Add(w1);
vec2.Add(w2);
vec3.Add(w3);
vec4.Add(w1 + w2 + w3);
// CHART1: if points are more then 250, reduce the summation wave
// thickenss and do not show the first three waves anymore ...
//
int steps = Convert.ToInt32(textBox1.Text);
if (steps < 250)
{
chart1.Series["wave"].Points.AddXY(counter * dt, w1);
chart1.Series["wave2"].Points.AddXY(counter * dt, w2);
chart1.Series["wave3"].Points.AddXY(counter * dt, w3);
chart1.Series["wave4"].BorderWidth = 3;
}
if (steps > 1000)
{
chart1.Series["wave4"].BorderWidth = 1;
}
double sumW = w1 + w2 + w3;
chart1.Series["wave4"].Points.AddXY(counter * dt, sumW);
}
// STOP BUTTON
//
//
//
private void cmdStop_Click(object sender, EventArgs e)
{
runTime = false;
time.Stop();
if (Analyser != null)
{
genStopped += new ptrf_stopPressed(Analyser.setSemaphore);
genStopped();
}
}
#endregion
#region UI SETUP BASED EVENTS
#region FUN GEN - wave1 UI events
private void trackBarAmp1_Scroll(object sender, EventArgs e) // Amp1
{
labelA1.Text = "A1: " + trackBarAmp1.Value.ToString();
}
private void trackBarPhase1_Scroll(object sender, EventArgs e) // PH1
{
double phi1 = convert2Deg(trackBarPhase1.Value, trackBarPhase1.Maximum);
lblPH1.Text = "PH: " + phi1.ToString() + "°";
}
private void f1_text_new(object sender, EventArgs e) // FREQ1
{
lblF1.Text = "f1: " + textBoxFreq1.Text;
}
#endregion
#region FUN GEN - wave2 UI events
private void trackBarAmp2_Scroll(object sender, EventArgs e)
{
labelA2.Text = "A2: " + trackBarAmp2.Value.ToString();
}
private void trackBarPhase2_Scroll(object sender, EventArgs e)
{
double phi2 = convert2Deg(trackBarPhase2.Value, trackBarPhase2.Maximum);
lblPH2.Text = "PH: " + phi2.ToString() + "°";
}
private void textBoxFreq2_TextChanged(object sender, EventArgs e)
{
lblF2.Text = "f2: " + textBoxFreq2.Text;
}
#endregion
#region FUN GEN - wave3 UI events
private void trackBarAmp3_Scroll(object sender, EventArgs e)
{
labelA3.Text = "A3: " + trackBarAmp3.Value.ToString();
}
private void trackBarPhase3_Scroll(object sender, EventArgs e)
{
double phi3 = convert2Deg(trackBarPhase3.Value, trackBarPhase3.Maximum);
lblPH3.Text = "PH: " + phi3.ToString() + "°";
}
private void button2_Click(object sender, EventArgs e)
{
if (Analyser == null)
{
Analyser = new Form2();
Analyser.setSemaphore();
Analyser.Show();
}
else
{
Analyser.Close();
Analyser = null;
Analyser = new Form2();
Analyser.setSemaphore();
Analyser.Show();
}
}
private void button3_Click(object sender, EventArgs e)
{
Close();
}
#endregion
#region APPENDIX: MATH PUBLIC FUNCTIONS
public double wave(double f, double dt, double phi)
{
double PHI = 2 * Math.PI * phi / 360;
return Math.Sin(2 * Math.PI * f * ((double)counter) * dt + PHI);
}
public double convert2Deg(double trackBarValue, double trackBarMax)
{
// returns given the relative slider value from 1 to 10
// to circural degrees
double u = 2.0 * Math.PI * (trackBarValue / (double)trackBarMax);
double Deg = u * 180.0 / Math.PI;
return Deg;
}
// computes the fft of the generated waveform
public void typeVector(List vec)
{
try
{
for (int i = 0; i < vec.Count; i++)
{
// write what is in the vector
Console.WriteLine("{0},{1}\n", i, vec.ElementAt(i));
}
}
catch {
}
}
#endregion
}
}
