/// <summary>
/// Not support by usb-1208
/// </summary>
/// <param name="Chan"></param>
/// <returns></returns>
public float ReadTemperature(int Chan)
{
MccDaq.TempScale MccScale = MccDaq.TempScale.Celsius;
float TempValue = 0.0f;
MccDaq.ThermocoupleOptions Options = MccDaq.ThermocoupleOptions.WaitForNewData;
MccDaq.ErrorInfo ULStat = DaqBoard.TIn(Chan, MccScale, out TempValue, Options);
return(TempValue);
}
private void tmrConvert_Tick(object eventSender, System.EventArgs eventArgs)
{
bool ValidChan;
tmrConvert.Stop();
// Collect the data with Mccdaq.MccBoard.TIn()
// Parameters:
// Chan :the A/D and channel number; starts at 16 if using
// an EXP (calculated by (ADChan + 1) * 16 + EXPChan)
// MccScale :the temperature scale (F, C or K)
// DataValue :the name for the value collected
// ADChan :usually channel 0 for CIO-EXP16
short ADChan = 0; // If using a device with an EXP attached,
// allows access to 16 channels on the EXP board
// increasing this number allows access to upper
// bank on EXP32 and additional EXP boards
MccDaq.TempScale MccScale = MccDaq.TempScale.Celsius;
int Chan = 0;
ValidChan = int.TryParse(txtExpChan.Text, out Chan);
if (ValidChan)
{
if (UsesEXPs > 0)
{
Chan = Chan + (ADChan + 1) * 16;
}
}
float TempValue = 0.0f;
MccDaq.ThermocoupleOptions Options = MccDaq.ThermocoupleOptions.Filter;
MccDaq.ErrorInfo ULStat = DaqBoard.TIn(Chan, MccScale, out TempValue, Options);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
tmrConvert.Start();
}
lblShowData.Text = TempValue.ToString("0") + "°C"; // print the value
}
private void cmdRead_Click(object sender, System.EventArgs e)
{
int SampleNum;
int i;
int FirstPoint;
MccDaq.ErrorInfo ULStat;
int Rate;
MccDaq.ScanOptions Options;
int Count;
int PretrigCount;
MccDaq.DigitalPortDirection Direction;
MccDaq.DigitalPortType PortNum;
//configure FirstPortA for digital input;
PortNum = (MccDaq.DigitalPortType) ChanArray[1];
Direction = MccDaq.DigitalPortDirection.DigitalIn;
ULStat = DaqBoard.DConfigPort(PortNum, Direction);
// Collect the values with cbDaqInScan()
// Parameters:
// BoardNum :the number used by CB.CFG to describe this board
// ChanArray[] :array of channel values
// ChanTypeArray[] : array of channel types
// GainArray[] :array of gain values
// ChansCount :the number of elements in the arrays (0=disable queue)
// PretrigCount :number of pre-trigger A/D samples to collect
// Count :the total number of A/D samples to collect
// Rate :sample rate in samples per second
// ADData[] :the array for the collected data values
// Options :data collection options
PretrigCount = 0;
Count = NumElements; // Number of data points to collect
Options = MccDaq.ScanOptions.ConvertData;
Rate = 100; // Acquire data at 100 Hz
if(MemHandle == 0) // check that a handle to a memory buffer exists
Application.Exit();
ULStat = DaqBoard.DaqInScan(ChanArray, ChanTypeArray, GainArray, ChanCount, ref Rate, ref PretrigCount, ref Count, MemHandle, Options);
// Transfer the data from the memory buffer set up by Windows to an array
FirstPoint = 0;
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, out ADData[0], FirstPoint, Count);
// Convert CJC and TC reading to temperature
// Parameters:
// BoardNum :the number used by CB.CFG to describe this board
// ChanArray[] :array of channel values
// ChanTypeArray[] : array of channel types
// ChanCount :the number of channels
// MemHandle :the collected raw data values
// FirstPoint :the scan index that holds the first sample of the first channel to be converted.
// Count :the number of samples per channel to be converted.
// CBScale :temperature scale (Celsius, Fahrenheit, Kelvin)
// TempValArray[] :the array for the temperature data values
CBScale = MccDaq.TempScale.Celsius;
Count = NumPoints;
ULStat = DaqBoard.GetTCValues(ChanArray, ChanTypeArray, ChanCount, MemHandle, FirstPoint, Count, CBScale, out TempValArray[0]);
i = 0;
for(SampleNum = 0; SampleNum < NumPoints; SampleNum++)
{
lblADData[i].Text = ADData[ChanCount * SampleNum].ToString("D");
i = i + 1;
lblADData[i].Text = ADData[ChanCount * SampleNum + 1].ToString("D");
i = i + 1;
lblADData[i].Text = TempValArray[TcChanCount * SampleNum].ToString("0.000 °C");
i = i + 1;
lblADData[i].Text = TempValArray[TcChanCount * SampleNum + 1].ToString("0.000°C");
i = i + 1;
}
}
protected override void Init()
{
m_buffer = new float[1];
m_channels = new MccDAQChannel[m_channelsNum];
m_status = MccService.ErrHandling(ErrorReporting.DontPrint, ErrorHandling.DontStop);
DaqBoard = new MccDaq.MccBoard(m_board);
m_status = DaqBoard.BoardConfig.GetUsesExps(out UsesEXPs);
if (m_status.Value == ErrorInfo.ErrorCode.BadBoard)
{
throw new ArgumentException(String.Format("MccDAQBoard number {0} failed to init! Check Instacal for valid board numbers.", m_board));
}
m_units = MccDaq.TempScale.Celsius;
m_options = 0;
}