private void frmDataDisplay_Load(object sender, EventArgs e)
{
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGINPUT;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
if (NumAIChans == 0)
{
lblAcqStat.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
lblAcqStat.ForeColor = Color.Red;
cmdStartAcq.Visible = false;
cmdStopConvert.Visible = true;
cmdStopConvert.Enabled = true;
}
else
{
lblAcqStat.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog data on two" +
" channels using FileAInScan with Range set to "
+ Range.ToString() + ".";
}
}
private void frmAOut_Load(object sender, EventArgs e)
{
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGOUTPUT;
NumAoChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out DAResolution, out Range, out LowChan, out DefaultTrig);
if (NumAoChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog output channels.";
this.btnSendData.Enabled = false;
this.btnUpdateDACs.Enabled = false;
}
else
{
if (NumAoChans > 4)
{
NumAoChans = 4;
}
MaxChan = LowChan + NumAoChans - 1;
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" updating analog data on up to " + NumAoChans.ToString() +
" channels using AOut with Range set to " + Range.ToString() + ".";
}
}
private void frmSendAData_Load(object sender, EventArgs e)
{
int LowChan;
int ChannelType;
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
ChannelType = clsAnalogIO.ANALOGOUTPUT;
NumAOChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out DAResolution, out Range, out LowChan, out DefaultTrig);
if (NumAOChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
UpdateButton.Enabled = false;
txtVoltsToSet.Enabled = false;
}
else
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" generating analog output on channel 0 using cbAOut()" +
" and Range of " + Range.ToString() + ".";
HighChan = LowChan + NumAOChans - 1;
}
}
private void frmDataDisplay_Load(object sender, EventArgs e)
{
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ATRIGIN;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
if (NumAIChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input or it does not support analog trigger.";
cmdStart.Enabled = false;
txtHighChan.Enabled = false;
}
else
{
// Check the resolution of the A/D data and allocate memory accordingly
if (ADResolution > 16)
{
// set aside memory to hold high resolution data
ADData32 = new uint[NumPoints];
MemHandle = MccDaq.MccService.WinBufAlloc32Ex(NumPoints);
}
else
{
// set aside memory to hold 16-bit data
ADData = new ushort[NumPoints];
MemHandle = MccDaq.MccService.WinBufAllocEx(NumPoints);
}
if (MemHandle == IntPtr.Zero)
{
cmdStart.Enabled = false;
NumAIChans = 0;
}
if (NumAIChans > 8)
{
NumAIChans = 8; //limit to 8 for display
}
MaxChan = LowChan + NumAIChans - 1;
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog data on up to " + NumAIChans.ToString() +
" channels using AInScan with Range set to " + Range.ToString() + ".";
}
}
private void frmSendAData_Load(object sender, EventArgs e)
{
int ChannelType;
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
ChannelType = clsAnalogIO.ANALOGOUTPUT;
NumAOChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out DAResolution, out Range, out LowChan, out DefaultTrig);
if (NumAOChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
cmdSendData.Enabled = false;
}
else
{
if (NumAOChans > 4)
{
NumAOChans = 4;
}
NumPoints = NumAOChans;
MemHandle = MccDaq.MccService.WinBufAllocEx(NumPoints);
if (MemHandle == IntPtr.Zero)
{
lblInstruction.Text = "Failure creating memory buffer.";
cmdSendData.Enabled = false;
return;
}
DAData = (new ushort[NumPoints]);
int ValueStep, FSCount;
ushort StepCount, i;
FSCount = (int)Math.Pow(2, DAResolution);
ValueStep = FSCount / (NumAOChans + 1);
for (i = 0; i < NumPoints; i++)
{
StepCount = (ushort)(ValueStep * (i + 1));
DAData[i] = StepCount;
}
FirstPoint = 0;
ULStat = MccDaq.MccService.WinArrayToBuf
(DAData, MemHandle, FirstPoint, NumPoints);
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString("0") +
" generating analog output on up to " + NumAOChans.ToString("0")
+ " channels using cbAOutScan() " +
" at a Range of " + Range.ToString() + ".";
HighChan = LowChan + NumAOChans - 1;
}
}
private void frmDataDisplay_Load(object sender, EventArgs e)
{
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGINPUT;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
if (NumAIChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
cmdStartConvert.Enabled = false;
txtHighChan.Enabled = false;
}
else if (ADResolution > 12)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" resolution is greater than 12-bits. This sample applies " +
"only to 12-bit devices that contain composite data.";
cmdStartConvert.Enabled = false;
txtHighChan.Enabled = false;
}
else
{
// set aside memory to hold 16-bit data
ADData = new ushort[NumPoints];
ConvData = new ushort[NumPoints];
MemHandle = MccDaq.MccService.WinBufAllocEx(NumPoints);
if (MemHandle == IntPtr.Zero)
{
cmdStartConvert.Enabled = false;
NumAIChans = 0;
}
if (NumAIChans > 5)
{
NumAIChans = 5;
}
MaxChan = LowChan + NumAIChans - 1;
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog data on up to " + NumAIChans.ToString() +
" channels using AInScan with Range set to " + Range.ToString() +
". For devices that store composite data, this sample separates " +
"channel tags from data manually. Most new designs do not support this.";
}
}
private void frmAnalogTrig_Load(object sender, EventArgs e)
{
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGINPUT;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
if (NumAIChans == 0)
{
lblWarn.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
}
else if (ADResolution > 16)
{
lblWarn.Text = "Board " + DaqBoard.BoardNum.ToString() +
" resolution is greater than 16-bit. The ATrig function " +
"does not support high resolution devices.";
}
else
{
lblWarn.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog data meeting trigger criterea " +
" with input Range set to " + Range.ToString() + ".";
HighChan = LowChan + NumAIChans - 1;
lblTriggerChan.Text = "Enter a channel (" +
LowChan.ToString() + " - " + HighChan.ToString() + "):";
UpdateTrigCriterea();
cmdStartConvert.Enabled = true;
this.txtShowChannel.Enabled = true;
this.txtShowTrigSet.Enabled = true;
this.chkNegTrigger.Enabled = true;
this.chkPosTrigger.Enabled = true;
}
}
private void frmDataDisplay_Load(object eventSender, System.EventArgs eventArgs)
{
int LowChan;
MccDaq.TriggerType DefaultTrig;
InitUL();
// determine the number of analog channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGINPUT;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
if (NumAIChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
cmdStartConvert.Enabled = false;
txtNumChan.Enabled = false;
}
else
{
string CurFunc = "MccBoard.AIn";
if (ADResolution > 16)
{
CurFunc = "MccBoard.AIn32";
}
lblDemoFunction.Text = "Demonstration of " + CurFunc;
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog data using " + CurFunc +
" and Range of " + Range.ToString() + ".";
HighChan = LowChan + NumAIChans - 1;
this.lblChanPrompt.Text = "Enter a channel ("
+ LowChan.ToString() + " - " + HighChan.ToString() + "):";
}
}
private void frmStatusDisplay_Load(System.Object eventSender, System.EventArgs eventArgs)
{
int NumCntrs, NumPorts, CounterNum;
int FirstBit;
int ProgAbility = 0;
int NumBits = 0;
MccDaq.DigitalPortType PortNum = DigitalPortType.AuxPort;
MccDaq.DigitalPortDirection Direction;
MccDaq.ErrorInfo ULStat;
MccDaq.TriggerType DefaultTrig;
InitUL();
NumCntrs = 0;
NumPorts = 0;
// determine the number of analog, digital, and counter channels and their capabilities
int ChannelType = clsAnalogIO.ANALOGINPUT;
NumAIChans = AIOProps.FindAnalogChansOfType(DaqBoard, ChannelType,
out ADResolution, out Range, out LowChan, out DefaultTrig);
ChannelType = DigitalIO.clsDigitalIO.PORTIN;
if (!clsErrorDefs.GeneralError)
{
NumPorts = DioProps.FindPortsOfType(DaqBoard, ChannelType, out ProgAbility,
out PortNum, out NumBits, out FirstBit);
}
ChannelType = clsCounters.CTRSCAN;
if (!clsErrorDefs.GeneralError)
{
NumCntrs = CtrProps.FindCountersOfType(DaqBoard, ChannelType, out CounterNum);
}
if (NumCntrs == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" has no counter devices.";
cmdStartBgnd.Enabled = false;
}
else if (NumAIChans == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" does not have analog input channels.";
cmdStartBgnd.Enabled = false;
}
else if (NumPorts == 0)
{
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" has no digital devices.";
cmdStartBgnd.Enabled = false;
}
else
{
cmdStartBgnd.Enabled = true;
ADData = new ushort[NumElements];
ChanArray = new short[ChanCount];
ChanTypeArray = new MccDaq.ChannelType[ChanCount];
GainArray = new MccDaq.Range[ChanCount];
MemHandle = MccDaq.MccService.WinBufAllocEx(NumElements);
if (MemHandle == IntPtr.Zero)
{
this.cmdStartBgnd.Enabled = false;
NumAIChans = 0;
}
//load the arrays with values
ChanArray[0] = 0;
ChanTypeArray[0] = MccDaq.ChannelType.Analog;
GainArray[0] = Range;
ChanArray[1] = System.Convert.ToInt16(PortNum);
ChanTypeArray[1] = MccDaq.ChannelType.Digital8;
if (NumBits == 16)
{
ChanTypeArray[1] = MccDaq.ChannelType.Digital16;
}
GainArray[1] = MccDaq.Range.NotUsed;
ChanArray[2] = 0;
ChanTypeArray[2] = MccDaq.ChannelType.Ctr32Low;
GainArray[2] = MccDaq.Range.NotUsed;
ChanArray[3] = 0;
ChanTypeArray[3] = MccDaq.ChannelType.Ctr32High;
GainArray[3] = MccDaq.Range.NotUsed;
if (ProgAbility == -1)
{
//configure programmable port for digital input
Direction = MccDaq.DigitalPortDirection.DigitalIn;
ULStat = DaqBoard.DConfigPort(PortNum, Direction);
}
ULStat = DaqBoard.CConfigScan(0, MccDaq.CounterMode.Bit16,
MccDaq.CounterDebounceTime.DebounceNone,
MccDaq.CounterDebounceMode.TriggerAfterStable,
MccDaq.CounterEdgeDetection.FallingEdge,
MccDaq.CounterTickSize.Tick20833pt3ns, 0);
lblInstruction.Text = "Board " + DaqBoard.BoardNum.ToString() +
" collecting analog, digital, and counter data " +
" using DaqInScan with Range set to " + Range.ToString() + ".";
}
}
private void cmdStartAcq_Click(object eventSender, System.EventArgs eventArgs) /* Handles cmdStartAcq.Click */
{
cmdStartAcq.Enabled = false;
cmdStartAcq.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
// Parameters:
// LowChan :first A/D channel of the scan
// HighChan :last A/D channel of the scan
// Count :the total number of A/D samples to collect
// Rate :per channel sampling rate ((samples per second) per channel)
// Range :the gain for the board
// FileName :the filename for the collected data values
// Options :data collection options
int Count = NumPoints;
string FileName = txtFileName.Text; // a full path may be required here
int Rate = 50000;
int LowChan = 0;
int HighChan = 1;
MccDaq.ScanOptions Options = MccDaq.ScanOptions.Default;
MccDaq.Range Range = MccDaq.Range.Bip5Volts; // set the range
string DataCount = NumPoints.ToString("0");
lblAcqStat.Text = "Collecting " + DataCount + " data points";
lblShowRate.Text = Rate.ToString("0");
lblShowLoChan.Text = LowChan.ToString("0");
lblShowHiChan.Text = HighChan.ToString("0");
lblShowOptions.Text = Options.ToString();
lblShowGain.Text = Range.ToString();
lblShowFile.Text = FileName;
lblShowCount.Text = Count.ToString("0");
lblShowPreTrig.Text = "Not Applicable";
Application.DoEvents();
// Collect the values with Collect the values by calling MccDaq.MccBoard.FileAInScan()
MccDaq.ErrorInfo ULStat = DaqBoard.FileAInScan(LowChan, HighChan, Count, ref Rate, Range, FileName, Options);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.BadFileName)
{
MessageBox.Show("Enter the name of the file to create in text box.", "Bad File Name", 0);
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdStartAcq.Enabled = true;
cmdStartAcq.Visible = true;
txtFileName.Focus();
return;
}
// show how many data points were collected
short FileLowChan;
short FileHighChan;
int TotalCount;
int PretrigCount;
ULStat = MccDaq.MccService.FileGetInfo(FileName, out FileLowChan, out FileHighChan, out PretrigCount, out TotalCount, out Rate, out Range);
lblReadRate.Text = Rate.ToString("0");
lblReadLoChan.Text = FileLowChan.ToString("0");
lblReadHiChan.Text = FileHighChan.ToString("0");
lblReadOptions.Text = Options.ToString();
lblReadGain.Text = Range.ToString();
lblReadFile.Text = FileName;
lblReadTotal.Text = TotalCount.ToString("0");
lblReadPreTrig.Text = PretrigCount.ToString("0");
}