private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs)
{
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 cmdStop_Click(object sender, System.EventArgs e)
{
this.chkAutoRestart.Checked = false;
DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
// Some devices generate an end of scan event after user
// explicitly stops background operations, but most do not
// When stopped manually, handle post-scan tasks here.
cmdStart.Enabled = true;
lblStatus.Text = "IDLE";
}
private void cmdStopConvert_Click(object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
cmdStartBgnd.Enabled = true;
cmdStartBgnd.Visible = true;
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdQuit.Enabled = true;
tmrCheckStatus.Enabled = false;
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
if (Status == MccDaq.MccBoard.Idle)
{
lblShowStat.Text = "Idle";
}
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
// Form overrides dispose to clean up the component list.
protected override void Dispose(bool Disposing)
{
if (Disposing)
{
if (components != null)
{
components.Dispose();
}
DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
if (MemHandle != 0)
{
MccDaq.MccService.WinBufFree(MemHandle);
}
}
base.Dispose(Disposing);
}
// Form overrides dispose to clean up the component list.
protected override void Dispose(bool Disposing)
{
if (Disposing)
{
if (components != null)
{
components.Dispose();
}
// make sure bacground operation is stopped and all memory
// is freed
DaqBoard.StopBackground(MccDaq.FunctionType.DiFunction);
if (MemHandle != 0)
{
MccDaq.MccService.WinBufFree(MemHandle);
}
}
base.Dispose(Disposing);
}
// Form overrides dispose to clean up the component list.
protected override void Dispose(bool Disposing)
{
if (Disposing)
{
if (components != null)
{
components.Dispose();
}
// make sure the scan has stopped..
DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
// be sure to free the memory buffer
if (MemHandle != 0)
{
MccDaq.MccService.WinBufFree(MemHandle);
}
}
base.Dispose(Disposing);
}
private void cmdStopRead_Click(object eventSender, System.EventArgs eventArgs) /* Handles cmdStopRead.Click */
{
// The BACKGROUND operation must be explicitly stopped
// Parameters:
// FunctionType:counter operation (MccDaq.FunctionType.CtrFunction)
MccDaq.ErrorInfo ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.CtrFunction);
// Free up memory for use by other programs
ULStat = MccDaq.MccService.WinBufFree(MemHandle);
MemHandle = 0;
Application.Exit();
}
private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs)
{
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, ADData, 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;
}
}
private void tmrCheckStatus_Tick(System.Object eventSender, System.EventArgs eventArgs)
{
int FirstPoint;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// This timer will check the status of the background data collection
// Parameters:
// BoardNum :the number used by CB.CFG to describe this board
// Status :current status of the background data collection
// CurCount :current number of samples collected
// CurIndex :index to the data buffer pointing to the start of the
// most recently collected scan
// FunctionType: A/D operation (AIFUNCTIOM)
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex,
MccDaq.FunctionType.DaqiFunction);
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
// Check if the background operation has finished. If it has, then
// transfer the data from the memory buffer set up by Windows to an
// array for use by Visual Basic
// The BACKGROUND operation must be explicitly stopped
if (Status == MccDaq.MccBoard.Running && UserTerm == 0)
{
lblShowStat.Text = "Running";
ULStat = DaqBoard.GetStatus(out Status, out CurCount,
out CurIndex, MccDaq.FunctionType.DaqiFunction);
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
FirstPoint = CurIndex;
if (FirstPoint >= 0)
{
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, ADData, FirstPoint, ChanCount);
lblADData[0].Text = ADData[0].ToString("D");
lblADData[1].Text = ADData[1].ToString("D");
lblADData[2].Text = System.Convert.ToString(System.Convert.ToInt32(ADData[2])
+ System.Convert.ToInt32(ADData[3]) * System.Convert.ToInt32(Math.Pow(2, 16)));
// 32-bit counter
}
tmrCheckStatus.Start();
}
else if (Status == MccDaq.MccBoard.Idle || UserTerm == 1)
{
lblShowStat.Text = "Idle";
tmrCheckStatus.Stop();
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.DaqiFunction);
cmdStartBgnd.Enabled = true;
cmdStartBgnd.Visible = true;
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdQuit.Enabled = true;
}
}
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 tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs)
{
int j;
int i;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// This timer will check the 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 start of the
// most recently collected scan
// FunctionType: A/D operation (AiFunction)
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
// Check if the background operation has finished. If it has, then
// transfer the data from the memory buffer set up by Windows to an
// array for use by Visual this program
// The background operation must be explicitly stopped
if ((Status == MccDaq.MccBoard.Running) && (UserTerm == 0))
{
lblShowStat.Text = "Running";
tmrCheckStatus.Start();
}
else if ((Status == MccDaq.MccBoard.Idle) || (UserTerm == 1))
{
lblShowStat.Text = "Idle";
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AiFunction);
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
tmrCheckStatus.Enabled = false;
if (ADResolution > 16)
{
ULStat = MccDaq.MccService.WinBufToArray32(MemHandle, ADData32, FirstPoint, NumPoints);
for (i = 0; i <= HighChan; ++i)
{
lblADData[i].Text = ADData32[i].ToString("D");
}
}
else
{
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, ADData, 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 = "";
}
// always call StopBackground upon completion...
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.AiFunction);
cmdStartBgnd.Enabled = true;
cmdStartBgnd.Visible = true;
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdQuit.Enabled = true;
}
}
