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 /* configure setpoints with cbDaqSetSetpoints() * Parameters: * BoardNum :the number used by CB.CFG to describe this board * LimitAArray[] :array of LimitA values * LimitBArray[] :array of LimitB values * SetpointFlagsArray[] :array of Setpoint flags * SetpointOutputArray[] :array of output channels * Output1Array[] :array of output1 values * Output2Array[] :array of output2 values * OutputMask1Array[] :array of output masks for output1 * OutputMask2Array[] :array of output masks for output2 * SetpointCount :Number of setpoints */ ULStat = DaqBoard.DaqSetSetpoints(LimitAArray, LimitBArray, Reserved, SetpointFlagsArray, SetpointOutputArray, Output1Array, Output2Array, OutputMask1Array, OutputMask2Array, SetpointCount); MccDaq.DigitalPortDirection Direction; MccDaq.DigitalPortType PortNum; //configure FirstPortA for digital input PortNum = (MccDaq.DigitalPortType)ChanArray[2]; 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 // ChanCount :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; }