private void cmdStartBgnd_Click(object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
MccDaq.ScanOptions Options;
int Rate;
int Count;
bool ValidChan;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
// Collect the values by calling MccDaq.MccBoard.AInScan
// Parameters:
// LowChan :the first channel of the scan
// HighChan :the last channel of the scan
// Count :the total number of A/D samples to collect
// Rate :sample rate
// Range :the range for the board
// MemHandle :Handle for Windows buffer to store data in
// Options :data collection options
ValidChan = int.TryParse(txtHighChan.Text, out HighChan);
if (ValidChan)
{
if (HighChan > MaxChan)
{
HighChan = MaxChan;
}
txtHighChan.Text = HighChan.ToString();
}
Count = NumPoints; // total number of data points to collect
// per channel sampling rate ((samples per second) per channel)
Rate = 1000 / ((HighChan - LowChan) + 1);
Options = MccDaq.ScanOptions.Background
| MccDaq.ScanOptions.Continuous;
// collect data in background continuously
ULStat = DaqBoard.AInScan(LowChan, HighChan, Count, ref Rate, Range, MemHandle, Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
if (Status == MccDaq.MccBoard.Running)
{
lblShowStat.Text = "Running";
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
tmrCheckStatus.Enabled = true;
}
private void cmdStartBgnd_Click(System.Object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
int Rate;
MccDaq.ScanOptions Options;
int Count;
int PretrigCount;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
UserTerm = 0; // initialize user terminate flag
// 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 | MccDaq.ScanOptions.Background
| MccDaq.ScanOptions.Continuous;
Rate = 100; // Acquire data at 100 Hz
ULStat = DaqBoard.DaqInScan(ChanArray, ChanTypeArray, GainArray, ChanCount,
ref Rate, ref PretrigCount, ref Count, MemHandle, Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex,
MccDaq.FunctionType.DaqiFunction);
if (Status == MccDaq.MccBoard.Running)
{
lblShowStat.Text = "Running";
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
tmrCheckStatus.Enabled = true;
}
private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs) /* Handles tmrCheckStatus.Tick */
{
tmrCheckStatus.Stop();
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.DiFunction);
lblShowStat.Text = Status.ToString("0");
lblShowCount.Text = CurCount.ToString("0");
lblShowIndex.Text = CurIndex.ToString("0");
if (Status == MccDaq.MccBoard.Running)
{
lblBGStat.Text = "Background operation running";
}
else
{
lblBGStat.Text = "Background operation idle";
}
if ((CurCount == NumPoints || Status == 0) || (Force == 1))
{
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.DiFunction);
ShowData();
}
else
{
tmrCheckStatus.Start();
}
}
private void tmrReadStatus_Tick(object eventSender, System.EventArgs eventArgs) /* Handles tmrReadStatus.Tick */
{
int CurIndex = 0;
int CurCount = 0;
short Status = 0;
tmrReadStatus.Stop();
// Retrieve the status of the acquisition
// Parameters:
// Status : current status of the operation, RUNNING or IDLE.
// CurCount: the current number of interrupts
// CurIndex : scan index into buffer to the last counter set read
// CtrFunction: Counter Function Type for operation
MccDaq.ErrorInfo ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.CtrFunction);
// The calculation below requires that NumCntrs accurately reflects the number
// of counters onboard whether or not they are enabled or active.
FirstPoint = 0;
if (CurIndex > 0)
{
FirstPoint = NumCntrs * CurIndex;
}
// Transfer latest set of measurements from the buffer into an array
// Parameters:
// MemHandle : handle to buffer allocated by MccService.WinBufAlloc
// DataBuffer : array to store latest counter values into
// FirstPoint : sample index into buffer of first sample in last set of counter values read
// NumCntrs : total number counters on the device
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, out DataBuffer[0], FirstPoint, NumCntrs);
ushort RealCount = 0;
String IntStatus = "DISABLED";
for (int i = 0; i <= 4; ++i)
{
if (CntrControl[i] == MccDaq.CounterControl.Enabled)
{
IntStatus = "ENABLED ";
}
else
{
IntStatus = "DISABLED";
}
// convert type int to type long
RealCount = DataBuffer[i];
lblCounterNum[i].Text = (i + 1).ToString("0");
lblIntStatus[i].Text = IntStatus;
lblCount[i].Text = RealCount.ToString("0");
}
lblShowTotal.Text = CurCount.ToString("0");
tmrReadStatus.Start();
}
private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs) /* Handles tmrCheckStatus.Tick */
{
int j;
int i;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// Check the current status of the background data collection
// Parameters:
// Status :current status of the background data collection
// CurCount :current number of samples collected
// CurIndex :index to the data buffer pointing to the last value transferred
// FunctionType: A/D operation (MccDaq.FunctionType.AiFunction)
//
// Transfer the data from the memory buffer set up by Windows
// to an array for use by Visual Basic
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
if (Status == MccDaq.MccBoard.Idle)
{
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, out ADData[0], FirstPoint, NumPoints);
for (i = 0; i <= HighChan; ++i)
{
lblADData[i].Text = ADData[i].ToString("D");
}
for (j = HighChan + 1; j <= 7; ++j)
{
lblADData[j].Text = "0";
}
cmdConvData.Enabled = true;
tmrCheckStatus.Enabled = false;
}
else
{
tmrCheckStatus.Start();
}
}
private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs) /* Handles tmrCheckStatus.Tick */
{
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// Check the current status of the background data collection
// Parameters:
// Status :current status of the background data collection
// CurCount :current number of samples collected
// CurIndex :index to the data buffer pointing to the last value transferred
// FunctionType: A/D operation (MccDaq.FunctionType.AiFunction)
MccDaq.ErrorInfo ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
// check if the background operation has finished
if ((Status == MccDaq.MccBoard.Idle) || (UserTerm == 1))
{
lblStatus.Text = "Data collection finished.";
// the background operation must be explicitly stopped
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, out ADData[0], FirstPoint, NumPoints);
cmdStartConvert.Enabled = true;
cmdQuit.Enabled = true;
cmdStopBackground.Enabled = false;
Convert();
}
else
{
lblStatus.Text = "Background operation in progress.";
tmrCheckStatus.Start();
}
if (UserTerm == 1)
{
lblStatus.Text = "Data collection terminated by user.";
UserTerm = 0;
}
}
public int FindPortsOfType(MccDaq.MccBoard DaqBoard, int PortType,
out int ProgAbility, out MccDaq.DigitalPortType DefaultPort,
out int DefaultNumBits, out int FirstBit)
{
int ThisType, NumPorts, NumBits;
int DefaultDev, InMask, OutMask;
int PortsFound, curCount, curIndex;
short status;
bool PortIsCompatible;
bool CheckBitProg = false;
MccDaq.DigitalPortType CurPort;
MccDaq.FunctionType DFunction;
MccDaq.ErrorInfo ULStat;
string ConnectionConflict;
ULStat = MccDaq.MccService.ErrHandling
(MccDaq.ErrorReporting.DontPrint, MccDaq.ErrorHandling.DontStop);
ConnectionConflict = "This network device is in use by another process or user." +
System.Environment.NewLine + System.Environment.NewLine +
"Check for other users on the network and close any applications " +
System.Environment.NewLine +
"(such as Instacal) that may be accessing the network device.";
DefaultPort = (MccDaq.DigitalPortType)(-1);
CurPort = DefaultPort;
PortsFound = 0;
FirstBit = 0;
ProgAbility = -1;
DefaultNumBits = 0;
ULStat = DaqBoard.BoardConfig.GetDiNumDevs(out NumPorts);
if (!(ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors))
{
clsErrorDefs.DisplayError(ULStat);
return(PortsFound);
}
if ((PortType == BITOUT) || (PortType == BITIN))
{
CheckBitProg = true;
}
if ((PortType == PORTOUTSCAN) || (PortType == PORTINSCAN))
{
if (NumPorts > 0)
{
DFunction = MccDaq.FunctionType.DiFunction;
if (PortType == PORTOUTSCAN)
{
DFunction = MccDaq.FunctionType.DoFunction;
}
ULStat = DaqBoard.GetStatus(out status, out curCount, out curIndex, DFunction);
if (!(ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors))
{
NumPorts = 0;
}
}
PortType = PortType & (PORTOUT | PORTIN);
}
for (int DioDev = 0; DioDev < NumPorts; ++DioDev)
{
ProgAbility = -1;
ULStat = DaqBoard.DioConfig.GetDInMask(DioDev, out InMask);
ULStat = DaqBoard.DioConfig.GetDOutMask(DioDev, out OutMask);
if ((InMask & OutMask) > 0)
{
ProgAbility = FIXEDPORT;
}
ULStat = DaqBoard.DioConfig.GetDevType(DioDev, out ThisType);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
CurPort = (DigitalPortType)Enum.Parse(typeof(DigitalPortType),
ThisType.ToString());
}
if ((DioDev == 0) && (CurPort == MccDaq.DigitalPortType.FirstPortCL))
{
//a few devices (USB-SSR08 for example)
//start at FIRSTPORTCL and number the bits
//as if FIRSTPORTA and FIRSTPORTB exist for
//compatibiliry with older digital peripherals
FirstBit = 16;
}
//check if port is set for requested direction
//or can be programmed for requested direction
PortIsCompatible = false;
switch (PortType)
{
case (PORTOUT):
if (OutMask > 0)
{
PortIsCompatible = true;
}
break;
case (PORTIN):
if (InMask > 0)
{
PortIsCompatible = true;
}
break;
default:
PortIsCompatible = false;
break;
}
PortType = (PortType & (PORTOUT | PORTIN));
if (!PortIsCompatible)
{
if (ProgAbility != FIXEDPORT)
{
MccDaq.DigitalPortDirection ConfigDirection;
ConfigDirection = DigitalPortDirection.DigitalOut;
if (PortType == PORTIN)
{
ConfigDirection = DigitalPortDirection.DigitalIn;
}
if ((CurPort == MccDaq.DigitalPortType.AuxPort) && CheckBitProg)
{
//if it's an AuxPort, check bit programmability
ULStat = DaqBoard.DConfigBit(MccDaq.DigitalPortType.AuxPort,
FirstBit, ConfigDirection);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
//return port to input mode
ULStat = DaqBoard.DConfigBit(MccDaq.DigitalPortType.AuxPort,
FirstBit, DigitalPortDirection.DigitalIn);
ProgAbility = PROGBIT;
}
else
{
if ((ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NetDevInUseByAnotherProc) ||
(ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NetDevInUse))
{
System.Windows.Forms.MessageBox.Show(ConnectionConflict, "Device In Use");
break;
}
}
}
if (ProgAbility == -1)
{
//check port programmability
ULStat = DaqBoard.DConfigPort(CurPort, ConfigDirection);
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
//return port to input mode
ULStat = DaqBoard.DConfigBit(MccDaq.DigitalPortType.AuxPort,
FirstBit, DigitalPortDirection.DigitalIn);
ProgAbility = PROGPORT;
}
else
{
if ((ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NetDevInUseByAnotherProc) ||
(ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NetDevInUse))
{
System.Windows.Forms.MessageBox.Show(ConnectionConflict, "Device In Use");
break;
}
}
}
}
PortIsCompatible = !(ProgAbility == -1);
}
if (PortIsCompatible)
{
PortsFound = PortsFound + 1;
}
int BitVals, BitWeight;
int TotalVal, CurBit;
if (DefaultPort == (MccDaq.DigitalPortType)(-1))
{
ULStat = DaqBoard.DioConfig.GetNumBits(DioDev, out NumBits);
if (ProgAbility == FIXEDPORT)
{
//could have different number of input and output bits
CurBit = 0;
TotalVal = 0;
BitVals = OutMask;
if (PortType == PORTIN)
{
BitVals = InMask;
}
do
{
BitWeight = (int)Math.Pow(2, CurBit);
TotalVal = BitWeight + TotalVal;
CurBit = CurBit + 1;
} while (TotalVal < BitVals);
NumBits = CurBit;
}
DefaultNumBits = NumBits;
DefaultDev = DioDev;
DefaultPort = CurPort;
}
if (ProgAbility == PROGBIT)
{
break;
}
}
ULStat = MccDaq.MccService.ErrHandling
(clsErrorDefs.ReportError, clsErrorDefs.HandleError);
return(PortsFound);
}
static void Main(string[] args)
{
System.ConsoleKeyInfo cki = new System.ConsoleKeyInfo();
MccDaq.ErrorInfo RetVal;
int BoardNum = 0;
int DeviceChannels = 0;
int Rate = FREQ;
bool ReadLower = true;
BoardNum = GetBoardNum(DEVICE);
if (BoardNum == -1)
{
Console.WriteLine("No USB-{0} detected!", DEVICE);
cki = Console.ReadKey();
}
else
{
MccBoard daq = new MccDaq.MccBoard(BoardNum);
daq.BoardConfig.GetNumAdChans(out DeviceChannels);
if (DeviceChannels > 8)
{
Console.WriteLine("Single-Ended Channels");
}
else
{
Console.WriteLine("Differentially-Ended Channels");
}
IntPtr buffer = MccService.ScaledWinBufAllocEx(BUFFERSIZE);
if (buffer == IntPtr.Zero)
{
Console.WriteLine("Bad Handle");
return;
}
short[] chArray = new short[CHANCOUNT]; //configuration array for channel numbers
Range[] chRange = new Range[CHANCOUNT]; //configuration array for input ranges
chArray[0] = 0;
chArray[1] = 1;
chArray[2] = 2;
chArray[3] = 3;
chRange[0] = Range.Bip10Volts;
chRange[1] = Range.Bip10Volts;
chRange[2] = Range.Bip10Volts;
chRange[3] = Range.Bip10Volts;
RetVal = daq.ALoadQueue(chArray, chRange, CHANCOUNT);
IsError(RetVal);
//setup the acquisiton
RetVal = daq.AInScan(FIRSTCHANNEL,
LASTCHANNEL,
BUFFERSIZE,
ref Rate,
Range.Bip10Volts,
buffer,
ScanOptions.Background | ScanOptions.ScaleData | ScanOptions.Continuous
);
IsError(RetVal);
fStream = new StreamWriter(@"C:\Users\Public\Documents\DataFile1608G.asc");
CreateFileHeaders(chArray); //writes basic info to the beginning of the file
int Count = 0;
int Index = 0;
short daqStatus;
double[] theArray = new double[BUFFERSIZE];
//Loop until key press
do
{
RetVal = daq.GetStatus(out daqStatus, out Count, out Index, FunctionType.AiFunction);
if ((Index >= HALFBUFFSIZE) & ReadLower) //check for 50% more data
{
//get lower half of buffer - ScaledWinBufToArray returns engineering units
RetVal = MccService.ScaledWinBufToArray(buffer, theArray, 0, HALFBUFFSIZE);
IsError(RetVal);
DisplayData(theArray, HALFBUFFSIZE / CHANCOUNT);
ReadLower = false; //flag that controls the next read
}
else if ((Index < HALFBUFFSIZE) & !ReadLower)
{
//get the upper half - ScaledWinBufToArray returns engineering units
RetVal = MccService.ScaledWinBufToArray(buffer, theArray, HALFBUFFSIZE, HALFBUFFSIZE);
IsError(RetVal);
DisplayData(theArray, HALFBUFFSIZE / CHANCOUNT);
ReadLower = true;//flag that controls the next read
}
} while (!Console.KeyAvailable);
cki = Console.ReadKey();
//flush any buffered data out to disk
fStream.Close();
//stop the acquisition
RetVal = daq.StopBackground(FunctionType.AiFunction);
//free up memory
MccService.WinBufFreeEx(buffer);
WaitForKey();
}
}
private void cmdStartBgnd_Click(object eventSender, System.EventArgs eventArgs) /* Handles cmdStartBgnd.Click */
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
MccDaq.Range Range;
MccDaq.ScanOptions Options;
int Rate;
int Count;
int LowChan;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
UserTerm = 0; // initialize user terminate flag
// Collect the values by calling MccDaq.MccBoard.AInScan function
// Parameters:
// LowChan :the first channel of the scan
// HighChan :the last channel of the scan
// Count :the total number of A/D samples to collect
// Rate :sample rate
// Range :the range for the board
// MemHandle :Handle for Windows buffer to store data in
// Options :data collection options
LowChan = 0; // first channel to acquire
HighChan = int.Parse(txtHighChan.Text); // last channel to acquire
if ((HighChan > 7))
{
HighChan = 7;
}
txtHighChan.Text = HighChan.ToString();
Count = NumPoints; // total number of data points to collect
Rate = 390; // per channel sampling rate ((samples per second) per channel)
Options = MccDaq.ScanOptions.ConvertData | MccDaq.ScanOptions.Background | MccDaq.ScanOptions.SingleIo;
Range = MccDaq.Range.Bip5Volts; // set the range
ULStat = DaqBoard.AInScan(LowChan, HighChan, Count, ref Rate, Range, MemHandle, Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
if (Status == MccDaq.MccBoard.Running)
{
lblShowStat.Text = "Running";
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
tmrCheckStatus.Enabled = true;
}
