// This function reads and displays the temperature inputs by detecting
// the buttons clicked, by detecting the value of the variable "check".
// It runs a while loop to keep checking for button presses, and using
// Thread.Sleep(), it checks buttons, reads and displays temperatures in
// the selected scale at a set frequency (2 Hz). The loop ends when the
// value of check is set to -1 by clicking the Exit button. Temperatures
// are read using the TInScan function, and an array is passed to the
// update_temp() function to display them using a delegate.
private void temp_reader()
{
while (read_check != -1)
{
int count = 0;
float[] TempData = new float[MAX_CHANCOUNT];
float[] TempData_C = new float[MAX_CHANCOUNT];
MccBoard daq = new MccDaq.MccBoard(BoardNum);
MccDaq.ErrorInfo RetVal;
Update_Temperature update_temp_del = new
Update_Temperature(update_temp);
Update_Warning update_warning_del = new
Update_Warning(update_warning);
Reset_Checkboxes resetcheckboxes_del = new
Reset_Checkboxes(resetcheckboxes);
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Enabled == true &&
((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Checked == true)
{
count++;
}
}
if (count == 0)
{
TempData = new float[MAX_CHANCOUNT] {-9999, -9999,
-9999, -9999, -9999, -9999, -9999, -9999};
Array.Copy(TempData, TempData_C, 8);
not_showing_temp = true;
Invoke(update_temp_del, TempData, TempData_C);
}
else
not_showing_temp = false;
if (read_check == 1 && not_showing_temp == false)
{
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Checked == true)
{
RetVal = daq.TIn(i, TempScale.Celsius,
out TempData_C[i],
ThermocoupleOptions.Filter);
IsError(this,RetVal, true);
}
else
TempData_C[i] = -9999;
}
switch(my_TempScale)
{
case TempScale.Fahrenheit:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Checked == true)
{
RetVal = daq.TIn(i, TempScale.Fahrenheit,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this,RetVal, true);
}
else
TempData[i] = -9999;
}
break;
case TempScale.Kelvin:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Checked == true)
{
RetVal = daq.TIn(i, TempScale.Kelvin,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this,RetVal, true);
}
else
TempData[i] = -9999;
}
break;
default:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Ch" +
i.ToString("#0") + "Box"]).Checked == true)
{
RetVal = daq.TIn(i, TempScale.Celsius,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this,RetVal, true);
}
else
TempData[i] = -9999;
}
break;
}
Invoke(update_temp_del, TempData, TempData_C);
Thread.Sleep(500);
}
if ((read_check == 0 && oven_check == 1) ||
(not_showing_temp == true && oven_check == 1))
{
string temp = String.Format("WARNING! Temperature" +
" readings are no longer live during an oven run!\n" +
"Automatically fixing this in {0} seconds...",
(int)(warning_time/2));
Invoke(update_warning_del, temp, 1);
Thread.Sleep(500);
warning_time--;
if (warning_time <= 0)
{
read_check = 1;
Invoke(resetcheckboxes_del);
not_showing_temp = false;
Invoke(update_warning_del, " ", 0);
warning_time = 20;
}
}
// Make sure that the text is grayed out when the Stop TC button
// is in its clicked state.
if (read_check == 0 && oven_check != 1)
{
TempData[0] = 1234;
TempData_C[0] = 1234;
Invoke(update_temp_del, TempData, TempData_C);
Thread.Sleep(500);
}
}
}
// This function reads and displays the temperature inputs by detecting
// the buttons clicked, by detecting the value of the variable "check".
// It runs a while loop to keep checking for button presses, and using
// Thread.Sleep(), it checks buttons, reads and displays temperatures in
// the selected scale at a set frequency (2 Hz). The loop ends when the
// value of check is set to -1 by clicking the Exit button. Temperatures
// are read using the TInScan function, and an array is passed to the
// update_temp() function to display them using a delegate.
private void ReadTemperature()
{
while (read_check != ComponentCheckStatusEnum.Aborted)
{
int count = 0;
float[] TempData = new float[MAX_CHANCOUNT];
float[] TempData_C = new float[MAX_CHANCOUNT];
MccDaq.ErrorInfo RetVal;
Update_Temperature update_temp_del = new
Update_Temperature(UpdateTemperatureDisplays);
Update_Warning update_warning_del = new
Update_Warning(UpdateWarningDisplay);
Reset_Checkboxes resetcheckboxes_del = new
Reset_Checkboxes(ResetThemocoupleInputStatusCheckboxes);
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Enabled == true &&
((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Checked == true)
{
count++;
}
}
if (count == 0)
{
TempData = new float[MAX_CHANCOUNT] {-9999, -9999,
-9999, -9999, -9999, -9999, -9999, -9999};
//Array.Copy(TempData, TempData_C, 8);
not_showing_temp = true;
//BeginInvoke(update_temp_del, TempData, TempData_C);
}
else
not_showing_temp = false;
if (read_check == ComponentCheckStatusEnum.Running &&
not_showing_temp == false)
{
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Checked == true) // null object reference error, suggests using "new" keyword
{
RetVal = thermocouple_board.TIn(i, TempScale.Celsius,
out TempData_C[i],
ThermocoupleOptions.Filter);
IsError(this, RetVal, true);
}
else
TempData_C[i] = -9999;
while (IsLockedCurrentTemp_Array)
{
//Nothing - pause till lock lifted
}
CurrentTemperatures[i] = TempData_C[i];
if (PlateauTemperatureWindow == null)
PlateauTemperatureWindow = new List<float[]>();
AddToMaxTemperaturePlateau(ref TempData_C);
MaxTempPlateauReached = IsAtSetTemperaturePlateau();
}
switch (my_TempScale)
{
case TempScale.Fahrenheit:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Checked == true)
{
RetVal = thermocouple_board.TIn(i, TempScale.Fahrenheit,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this, RetVal, true);
}
else
TempData[i] = -9999;
}
break;
case TempScale.Kelvin:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Checked == true)
{
RetVal = thermocouple_board.TIn(i, TempScale.Kelvin,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this, RetVal, true);
}
else
TempData[i] = -9999;
}
break;
default:
for (int i = 0; i < MAX_CHANCOUNT; i++)
{
if (((CheckBox)this.Controls["Channel" +
i.ToString("#0") + "CheckBox"]).Checked == true)
{
RetVal = thermocouple_board.TIn(i, TempScale.Celsius,
out TempData[i],
ThermocoupleOptions.Filter);
IsError(this, RetVal, true);
}
else
TempData[i] = -9999;
}
break;
}
BeginInvoke(update_temp_del, TempData, TempData_C);
System.Threading.Thread.Sleep(500);
}
if ((read_check == ComponentCheckStatusEnum.None &&
oven_check == ComponentCheckStatusEnum.Running) ||
(not_showing_temp == true &&
oven_check == ComponentCheckStatusEnum.Running))
{
string temp =
String.Format(
"WARNING! Temperature readings are no longer live during an oven run!{0}" +
"Automatically fixing this in {1} seconds...",
Environment.NewLine,
((int)(warning_time / 2)).ToString("0"));
BeginInvoke(update_warning_del, temp, 1);
Thread.Sleep(500);
warning_time--;
if (warning_time <= 0)
{
read_check = ComponentCheckStatusEnum.Running;
BeginInvoke(resetcheckboxes_del);
not_showing_temp = false;
BeginInvoke(update_warning_del, " ", 0);
warning_time = 20;
}
}
// Make sure that the text is grayed out when the Stop TC button
// is in its clicked state.
if (read_check == ComponentCheckStatusEnum.None &&
oven_check != ComponentCheckStatusEnum.Running)
{
TempData[0] = 1234;
TempData_C[0] = 1234;
BeginInvoke(update_temp_del, TempData, TempData_C);
Thread.Sleep(500);
}
}
}