private void MenuDeviceRefresh_Click(object sender, EventArgs e)
{
double tempSet, timeStep, proportionalTerm, integralTerm, derivativeTerm;
bool devExists = false;
DeviceBx.Items.Clear();
VoltChnnlBx.Items.Clear();
TempChnnlBx.Items.Clear();
try
{
DeviceBx.Items.AddRange(DaqSystem.Local.Devices);
VoltChnnlBx.Items.AddRange(DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AO, PhysicalChannelAccess.External));
TempChnnlBx.Items.AddRange(DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AI, PhysicalChannelAccess.External));
if (!double.TryParse(TempSetBx.Text, out tempSet))
{
tempSet = 22.0;
TempSetBx.Text = "22.0";
}
if (!double.TryParse(TimeStepBx.Text, out timeStep))
{
timeStep = 0.01;
TimeStepBx.Text = "0.01";
}
if (!double.TryParse(ProportionalBx.Text, out proportionalTerm))
{
proportionalTerm = 0.0;
ProportionalBx.Text = "0.0";
}
if (!double.TryParse(IntegralBx.Text, out integralTerm))
{
integralTerm = 0.0;
IntegralBx.Text = "0.0";
}
if (!double.TryParse(DerivativeBx.Text, out derivativeTerm))
{
derivativeTerm = 0.0;
DerivativeBx.Text = "0.0";
}
if (DeviceBx.Items.Count != 0)
{
temperatureController = new TemperatureController(0.01, tempUnits, TempChnnlBx.Items[0].ToString(), AIVoltageUnits.Volts, VoltChnnlBx.Items[0].ToString(), AOVoltageUnits.Volts)
{
DesiredTemp = tempSet,
A = proportionalTerm,
B = integralTerm,
C = derivativeTerm,
//Units = tempUnits
};
devExists = true;
}
else
{
temperatureController = new TemperatureController(0.01, tempUnits, TempChnnlBx.Text, AIVoltageUnits.Volts, VoltChnnlBx.Text, AOVoltageUnits.Volts)
{
//TimeStep = timeStep,
DesiredTemp = tempSet,
A = proportionalTerm,
B = integralTerm,
C = derivativeTerm,
};
devExists = false;
}
}
catch (DaqException)
{
TempSetBx.Enabled = false;
TimeStepBx.Enabled = false;
ProportionalBx.Enabled = false;
IntegralBx.Enabled = false;
DerivativeBx.Enabled = false;
StartStopBttn.Enabled = false;
MessageBox.Show("No DAQ device is present. Please check device connection in NImax and refresh the device list.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (DeviceBx.Items.Count != 0)
{
DeviceBx.SelectedIndex = 0;
VoltChnnlBx.SelectedIndex = 0;
TempChnnlBx.SelectedIndex = 0;
}
else
{
DeviceBx.SelectedIndex = -1;
VoltChnnlBx.SelectedIndex = -1;
TempChnnlBx.SelectedIndex = -1;
}
if (devExists)
{
TempSetBx.Enabled = true;
TimeStepBx.Enabled = true;
ProportionalBx.Enabled = true;
IntegralBx.Enabled = true;
DerivativeBx.Enabled = true;
StartStopBttn.Enabled = true;
}
}
}
private void MainForm_Load(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
formUpdateTimer.Interval = 100;
pidTimeStep.Interval = 10;
TempSetBx.Text = "22.0";
ProportionalBx.Text = "0.0";
IntegralBx.Text = "0.0";
DerivativeBx.Text = "0.0";
TimeStepBx.Text = "0.01";
TimeStepBx.Enabled = false;
ProportionalContributionLbl.Text = "0.0";
IntegralContributionLbl.Text = "0.0";
DerivativeContributionLbl.Text = "0.0";
for (int i = 0; i < textBoxes.Length; i++)
{
textBoxes[i].KeyPress += new KeyPressEventHandler(Bx_KeyPress);
textBoxes[i].TextChanged += new EventHandler(Bx_TextChanged);
names[i] = textBoxes[i].Name;
}
try
{
DeviceBx.Items.AddRange(DaqSystem.Local.Devices);
VoltChnnlBx.Items.AddRange(DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AO, PhysicalChannelAccess.External));
TempChnnlBx.Items.AddRange(DaqSystem.Local.GetPhysicalChannels(PhysicalChannelTypes.AI, PhysicalChannelAccess.External));
if (DeviceBx.Items.Count != 0)
{
temperatureController = new TemperatureController(0.01, "C", TempChnnlBx.Items[0].ToString(), AIVoltageUnits.Volts, VoltChnnlBx.Items[0].ToString(), AOVoltageUnits.Volts);
}
else
{
temperatureController = new TemperatureController(0.01, "C", TempChnnlBx.Text, AIVoltageUnits.Volts, VoltChnnlBx.Text, AOVoltageUnits.Volts);
}
}
catch (DaqException)
{
TempSetBx.Enabled = false;
TimeStepBx.Enabled = false;
ProportionalBx.Enabled = false;
IntegralBx.Enabled = false;
DerivativeBx.Enabled = false;
StartStopBttn.Enabled = false;
MessageBox.Show("No DAQ device is present. Please check device connection in NImax and refresh the device list.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (DeviceBx.Items.Count != 0)
{
DeviceBx.SelectedIndex = 0;
VoltChnnlBx.SelectedIndex = 0;
TempChnnlBx.SelectedIndex = 0;
}
else
{
DeviceBx.SelectedIndex = -1;
VoltChnnlBx.SelectedIndex = -1;
TempChnnlBx.SelectedIndex = -1;
}
}
MeasureTypeBx.Items.Add("RSE");
MeasureTypeBx.SelectedIndex = 0;
taskRunning = false;
TempPlot.ChartAreas[0].AxisY.LabelStyle.Format = "###.#";
TempPlot.Series[0].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
TempPlot.Series[0].Name = "Temperature";
TempPlot.Series.Add("Set Point").Color = Color.Green;
TempPlot.Series[1].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
TempPlot.ChartAreas[0].AxisX.Title = "Time Steps";
TempPlot.ChartAreas[0].AxisY.Title = "Temperature (°C)";
TempPlotExpanded.ChartAreas[0].AxisY.LabelStyle.Format = "###.#";
TempPlotExpanded.Series[0].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
TempPlotExpanded.Series[0].Name = "Temperature";
TempPlotExpanded.Series.Add("Set Point").Color = Color.Green;
TempPlotExpanded.Series[1].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
TempPlotExpanded.ChartAreas[0].AxisX.Title = "Time Steps";
TempPlotExpanded.ChartAreas[0].AxisY.Title = "Temperature (°C)";
TimeStepsLbl.Text = "0";
Cursor.Current = Cursors.Default;
}
private void StartStopBttn_Click(object sender, EventArgs e)
{
if (!taskRunning)
{
double tempSet, timeStep, proportionalTerm, integralTerm, derivativeTerm; //C# 7 allows for inline declerations of out parameters
StartStopBttn.Text = "Turn Control\nOff";
try
{
if (double.TryParse(TempSetBx.Text, out tempSet))
{
TempPlot.Series[1].Points.AddY(tempSet);
}
else
{
tempSet = 22.0;
TempSetBx.Text = "22.0";
TempPlot.Series[1].Points.AddY(tempSet);
}
if (!double.TryParse(TimeStepBx.Text, out timeStep))
{
timeStep = 0.01;
TimeStepBx.Text = "0.01";
}
if (!double.TryParse(ProportionalBx.Text, out proportionalTerm))
{
proportionalTerm = 0.0;
ProportionalBx.Text = "0.0";
}
if (!double.TryParse(IntegralBx.Text, out integralTerm))
{
integralTerm = 0.0;
IntegralBx.Text = "0.0";
}
if (!double.TryParse(DerivativeBx.Text, out derivativeTerm))
{
derivativeTerm = 0.0;
DerivativeBx.Text = "0.0";
}
temperatureController = new TemperatureController(0.01, tempUnits, TempChnnlBx.Text, AIVoltageUnits.Volts, VoltChnnlBx.Text, AOVoltageUnits.Volts)
{
//TimeStep = timeStep,
DesiredTemp = tempSet,
A = proportionalTerm,
B = integralTerm,
C = derivativeTerm,
};
TempPlot.ChartAreas[0].AxisY.Minimum = temperatureController.DesiredTemp - 1.0;
TempPlot.ChartAreas[0].AxisY.Maximum = temperatureController.DesiredTemp + 1.0;
TempPlotExpanded.ChartAreas[0].AxisY.Minimum = temperatureController.DesiredTemp - 15.0;
TempPlotExpanded.ChartAreas[0].AxisY.Maximum = temperatureController.DesiredTemp + 15.0;
temperatureController.AdjustOutput();
lock (_formTimerLock)
{
formUpdateTimer.Enabled = true;
_formStopped = false;
}
lock (_pidTimerLock)
{
pidTimeStep.Enabled = true;
_pidStopped = false;
pidTimeStep.Interval = (int)(timeStep * 1000);
}
taskRunning = true;
VisualControlStatus.BackColor = Color.Green;
VisualControlStatusLbl.Text = "On";
MenuUnitCelsius.Enabled = false;
MenuUnitFarenheit.Enabled = false;
MenuDeviceRefresh.Enabled = false;
pidTimeStep.Start();
formUpdateTimer.Start();
}
catch
{
StartStopBttn.Text = "Turn Control\nOn";
VisualControlStatus.BackColor = Color.Red;
VisualControlStatusLbl.Text = "Off";
TempPlot.Series[0].Points.Clear();
TempPlot.Series[1].Points.Clear();
TempPlotExpanded.Series[0].Points.Clear();
TempPlotExpanded.Series[1].Points.Clear();
TempSetBx.Enabled = false;
TimeStepBx.Enabled = false;
ProportionalBx.Enabled = false;
IntegralBx.Enabled = false;
DerivativeBx.Enabled = false;
StartStopBttn.Enabled = false;
taskRunning = false;
MenuUnitCelsius.Enabled = true;
MenuUnitFarenheit.Enabled = true;
MenuDeviceRefresh.Enabled = true;
MessageBox.Show("There was an error communicating with the device. Check devices status and refresh the device list.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
timeTicks = 0;
TimeStepsLbl.Text = "0";
formUpdateTimer.Enabled = false;
pidTimeStep.Enabled = false;
lock (_formTimerLock)
{
formUpdateTimer.Enabled = false;
_formStopped = true;
}
lock (_pidTimerLock)
{
pidTimeStep.Enabled = false;
_pidStopped = true;
}
temperatureController.Dispose();
TempPlot.Series[0].Points.Clear();
TempPlot.Series[1].Points.Clear();
TempPlotExpanded.Series[0].Points.Clear();
TempPlotExpanded.Series[1].Points.Clear();
StartStopBttn.Text = "Turn Control\nOn";
taskRunning = false;
VisualControlStatus.BackColor = Color.Red;
VisualControlStatusLbl.Text = "Off";
MenuUnitCelsius.Enabled = true;
MenuUnitFarenheit.Enabled = true;
MenuDeviceRefresh.Enabled = true;
}
}
