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");
}
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 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
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 | 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 */
{
int j;
int i;
int FirstPoint;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// 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 (MccDaq.FunctionType.AiFunction)
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");
if (CurCount > HighChan)
{
FirstPoint = CurIndex; // start of latest channel scan in MemHandle buffer
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, out ADData[0], FirstPoint, 8);
// Use MccDaq.MccBoard.AConvertData() to convert the 16-bit values
// in ADData() to 12-bit values
// Parameters:
// NumPoints :the number of data values to convert
// ADData :the array holding the 16-bit data values to be converted
// ChanTags :the array in which the channel information will be stored
//ULStat = DaqBoard.AConvertData( NumPoints, ref ADData[0], out ChanTags[0]);
for (i = 0; i <= HighChan; ++i)
{
lblADData[i].Text = ADData[i].ToString("D");
}
for (j = HighChan + 1; j <= 7; ++j)
{
lblADData[j].Text = "";
}
}
tmrCheckStatus.Start();
}
private void cmdStartBgnd_Click(System.Object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
int CBRate;
MccDaq.ScanOptions Options;
MccDaq.DigitalPortDirection Direction;
MccDaq.DigitalPortType PortNum;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
UserTerm = 0; // initialize user terminate flag
//FirstPortA is treated as a 16-bit port; therefore FirtstPortA and FirstPortB must be configured for digital output
PortNum = MccDaq.DigitalPortType.FirstPortA;
Direction = MccDaq.DigitalPortDirection.DigitalOut;
ULStat = DaqBoard.DConfigPort(PortNum, Direction);
PortNum = MccDaq.DigitalPortType.FirstPortB;
Direction = MccDaq.DigitalPortDirection.DigitalOut;
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)
// Count :the total number of A/D samples to collect
// CBRate :sample rate in samples per second
// ADData[] :the array for the collected data values
// Options :data collection options
Options = MccDaq.ScanOptions.Background | MccDaq.ScanOptions.Continuous | MccDaq.ScanOptions.NonStreamedIO;
CBRate = 1000; // Generate data at 1000 Hz
ULStat = DaqBoard.DaqOutScan(ChanArray, ChanTypeArray, GainArray, ChanCount, ref CBRate, Count, MemHandle, Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.DaqoFunction);
if (Status == MccDaq.MccBoard.Running)
{
lblShowStat.Text = "Running";
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
tmrCheckStatus.Enabled = true;
}
private void FormClose()
{
//卸载快捷键
keyList.ForEach(m => HotKey.UnregisterHotKey(Handle, m.id));
//记录当前阅读行数
ini.IniWriteValue(section, "ReadIndex", CurIndex.ToString().Trim());
//记录当前透明度
ini.IniWriteValue(section, "Opacity", Opacity.ToString());
Close();
}
private void trackBarEx1_ValueChangedByMouse(object sender, EventArgs e)
{
lock (lockObj)
{
CurIndex = (int)trackBarEx1.Value + 1;
}
//Update info
playIndex.Text = CurIndex.ToString() + "/" + Count.ToString();
CrowdInfo curInfo = m_ListInfo[CurIndex - 1];
curInfo.CameraID = cameraName;
m_singleCrowdInfo.RefreshInfo(curInfo);
LabelTime.Text = DataModel.Common.ConvertLinuxTime(curInfo.TimeSec).ToString();
}
private void tmrCheckStatus_Tick(System.Object eventSender, System.EventArgs eventArgs)
{
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
// 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 (MccDaq.FunctionType.DaqoFunction)
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.DaqoFunction);
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.DaqoFunction);
lblShowCount.Text = CurCount.ToString("D");
lblShowIndex.Text = CurIndex.ToString("D");
}
else if (Status == MccDaq.MccBoard.Idle || UserTerm == 1)
{
lblShowStat.Text = "Idle";
tmrCheckStatus.Enabled = false;
ULStat = DaqBoard.StopBackground(MccDaq.FunctionType.DaqoFunction);
cmdStartBgnd.Enabled = true;
cmdStartBgnd.Visible = true;
cmdStopConvert.Enabled = false;
cmdStopConvert.Visible = false;
cmdQuit.Enabled = true;
}
}
private void cmdStartBgnd_Click(System.Object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
MccDaq.ScanOptions Options;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
UserTerm = 0; // initialize user terminate flag
// Parameters:
// LowChan :the lower channel of the scan
// HighChan :the upper channel of the scan
// Count :the number of D/A values to send
// Rate :per channel sampling rate ((samples per second) per channel)
// DAData :array of values to send to the scanned channels
// Options :data send options
FirstPoint = 0;
int LowChan = 0; // First analog output channel
int HighChan = 1; // Last analog output channel
int Rate = 1000; // Rate of data update (ignored if board does not support timed analog output)
MccDaq.Range Gain = MccDaq.Range.Bip5Volts; // Ignored if gain is not programmable
Options = MccDaq.ScanOptions.Background | MccDaq.ScanOptions.Continuous | MccDaq.ScanOptions.ScaleData;
ULStat = DaqBoard.AOutScan(LowChan, HighChan, Count, ref Rate, Gain, MemHandle, Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.AoFunction);
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(System.Object eventSender, System.EventArgs eventArgs)
{
int FirstPoint;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
float EngUnits = 0;
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 (DAQIFUNCTION)
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);
DaqBoard.ToEngUnits(GainArray[0], ADData[0], out EngUnits);
lblADData[0].Text = String.Format("{0:f4}", EngUnits) + " Volts";
DaqBoard.ToEngUnits(GainArray[1], ADData[1], out EngUnits);
lblADData[1].Text = String.Format("{0:f4}", EngUnits) + " Volts";
lblADData[2].Text = "0x" + String.Format("{0:X2}", ADData[2]);
lblADData[3].Text = "0x" + String.Format("{0:X4}", ADData[3]);
}
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;
}
}
private void tmrCheckStatus_Tick(object eventSender, System.EventArgs eventArgs)
{
int j;
int i;
int FirstPoint, NumChans;
MccDaq.ErrorInfo ULStat;
int CurIndex;
int CurCount;
short Status;
tmrCheckStatus.Stop();
// 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 (MccDaq.FunctionType.AiFunction)
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");
NumChans = (HighChan - LowChan) + 1;
if (CurCount > HighChan)
{
FirstPoint = CurIndex; // start of latest channel scan in MemHandle buffer
if (ADResolution > 16)
{
ULStat = MccDaq.MccService.WinBufToArray32(MemHandle, ADData32, FirstPoint, NumChans);
for (i = 0; i <= HighChan; ++i)
{
lblADData[i].Text = ADData32[i].ToString("D");
}
}
else
{
ULStat = MccDaq.MccService.WinBufToArray(MemHandle, ADData, FirstPoint, NumChans);
for (i = 0; i <= HighChan; ++i)
{
lblADData[i].Text = ADData[i].ToString("D");
}
}
for (j = HighChan + 1; j <= 7; ++j)
{
lblADData[j].Text = "";
}
}
tmrCheckStatus.Start();
}
private void cmdStartBgnd_Click(System.Object eventSender, System.EventArgs eventArgs)
{
int CurIndex;
int CurCount;
short Status;
MccDaq.ErrorInfo ULStat;
int CBRate;
object Options;
int CBCount;
int PretrigCount;
MccDaq.TriggerSource TrigSource;
MccDaq.TriggerSensitivity TrigSense;
int TrigChan;
MccDaq.ChannelType ChanType;
MccDaq.Range Gain;
float Variance;
float Level;
MccDaq.TriggerEvent TrigEvent;
int Direction;
int PortNum;
cmdStartBgnd.Enabled = false;
cmdStartBgnd.Visible = false;
cmdStopConvert.Enabled = true;
cmdStopConvert.Visible = true;
cmdQuit.Enabled = false;
UserTerm = 0; // initialize user terminate flag
lblADData[0].Text = "";
lblADData[1].Text = "";
lblADData[2].Text = "";
//configure FirstPortA for digital input
PortNum = ChanArray[1];
Direction = System.Convert.ToInt32(MccDaq.DigitalPortDirection.DigitalIn);
ULStat = DaqBoard.DConfigPort((MccDaq.DigitalPortType)PortNum, (MccDaq.DigitalPortDirection)Direction);
//Set Triggers
//Parameters:
//BoardNum :the number used by CB.CFG to describe this board
//TrigSource :trigger source
//TrigSense :trigger sensitivity
//TrigChan :trigger channel
//ChanType :trigger channel type
//Gain :trigger channel gain
//Level :trigger Level
//Variance :trigger Variance
//TrigEvent :trigger event type
//Start trigger settings
// AD conversions are enabled when analog channel 0 makes a transition from below 2 V to above.*/
TrigSource = MccDaq.TriggerSource.TrigAnalogSW;
TrigSense = MccDaq.TriggerSensitivity.RisingEdge;
TrigChan = ChanArray[0];
ChanType = ChanTypeArray[0];
Gain = GainArray[0];
Level = 2;
Variance = 0;
TrigEvent = MccDaq.TriggerEvent.Start;
//Set start trigger
ULStat = DaqBoard.DaqSetTrigger(TrigSource, TrigSense, TrigChan, ChanType, Gain, Level, Variance, TrigEvent);
//Stop trigger settings
// AD conversions are terminated when counter 0 reaches 100 counts.*/
TrigSource = MccDaq.TriggerSource.TrigCounter;
TrigSense = MccDaq.TriggerSensitivity.AboveLevel;
TrigChan = ChanArray[2];
ChanType = ChanTypeArray[2];
Gain = GainArray[2];
Level = 100;
Variance = 0;
TrigEvent = MccDaq.TriggerEvent.Stop;
//Set stop trigger
ULStat = DaqBoard.DaqSetTrigger(TrigSource, TrigSense, TrigChan, ChanType, Gain, Level, Variance, TrigEvent);
// 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
// GainArra[] :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
// CBCount :the total number of A/D samples to collect
// CBRate :sample rate in samples per second
// ADData[] :the array for the collected data values
// Options :data collection options
PretrigCount = 0;
CBCount = NumElements; // Number of data points to collect
Options = MccDaq.ScanOptions.ConvertData | MccDaq.ScanOptions.Background | MccDaq.ScanOptions.Continuous | MccDaq.ScanOptions.ExtTrigger;
CBRate = 100; // Acquire data at 100 Hz
ULStat = DaqBoard.DaqInScan(ChanArray, ChanTypeArray, GainArray, ChanCount, ref CBRate, ref PretrigCount, ref CBCount, MemHandle, (MccDaq.ScanOptions)Options);
ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.DaqiFunction);
if (Status == MccDaq.MccBoard.Running)
{
lblShowStartTrig.Text = "Waiting for trigger...";
lblShowStopTrig.Text = "";
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)
{
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;
}
}
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;
}
