CAM C

Hello, I am trying to use the waveform generator to generate a pulse and use the analog IN channels to get me data about that pulse. I currently have code that generates one pulse which is what I want, but I am having trouble setting up the trigger and logging the data. I think I am confused on how to actually set up the trigger correctly and how to log data correctly with Csharp. Here is what I am after, I want to generate One pulse of desired length and then to read that pulse data. I want the ADC to start reading once it has seen the rising edge of the pulse, maybe even a few milliseconds before. Any help is greatly appreciated. Another way of saying this is, I want code that will grab me data for a desired period of time but starts grabbing the data based on a rising edge trigger. Here is the code that generates one pulse for me. dwf.FDwfDeviceOpen(-1, out HDWF); dwf.FDwfDeviceAutoConfigureSet(HDWF, 0); dwf.FDwfAnalogOutNodeEnableSet(HDWF, channel1, dwf.AnalogOutNodeCarrier, 0); dwf.FDwfAnalogOutNodeEnableSet(HDWF, channel1, dwf.AnalogOutNodeCarrier, 1); dwf.FDwfAnalogOutIdleSet(HDWF,channel1, dwf.DwfAnalogOutIdleDisable); dwf.FDwfAnalogOutNodeFunctionSet(HDWF,channel1, dwf.AnalogOutNodeCarrier, dwf.funcPulse); dwf.FDwfAnalogOutNodeFrequencySet(HDWF,channel1,dwf.AnalogOutNodeCarrier,25.0); dwf.FDwfAnalogOutNodeAmplitudeSet(HDWF, channel1, dwf.AnalogOutNodeCarrier, 3.3); dwf.FDwfAnalogOutRunSet(HDWF,channel1,.03); dwf.FDwfAnalogOutWaitSet(HDWF,channel1,0.1); dwf.FDwfAnalogOutRepeatSet(HDWF,channel1,1); This generates me a pulse but I cannot get a accurate data to be read. Here is the code I have been trying to use to give me the data of that pulse. dwf.FDwfAnalogInChannelEnableSet(HDWF, 1, 1); //enable channel 1 dwf.FDwfAnalogInChannelRangeSet(HDWF, -1, 10.0); dwf.FDwfAnalogInAcquisitionModeSet(HDWF, dwf.acqmodeRecord); double freqeuncy = 100000.0; double samples = 200000.0; double record = samples / freqeuncy; dwf.FDwfAnalogInFrequencySet(HDWF, freqeuncy); dwf.FDwfAnalogInRecordLengthSet(HDWF, record); dwf.FDwfAnalogInTriggerPositionSet(HDWF, (-0.25) * record); //Setting up the trigger dwf.FDwfAnalogInTriggerAutoTimeoutSet(HDWF, 10.0); dwf.FDwfAnalogInTriggerSourceSet(HDWF, dwf.trigsrcDetectorAnalogIn); dwf.FDwfAnalogInTriggerTypeSet(HDWF, dwf.trigtypeEdge); dwf.FDwfAnalogInTriggerChannelSet(HDWF, 1); dwf.FDwfAnalogInTriggerLevelSet(HDWF, 0.1); dwf.FDwfAnalogInTriggerHysteresisSet(HDWF, 0.1); dwf.FDwfAnalogInTriggerConditionSet(HDWF, dwf.DwfTriggerSlopeRise); Thread.Sleep(2000); //Starting Trigger for ADC dwf.FDwfAnalogInConfigure(HDWF, 0, 1); //Start of pulse dwf.FDwfAnalogOutConfigure(HDWF, channel1, 1); int index = 0; int lost = 0; int available = 0; int acqState0 = 0; while (cSamples < nSamples || acqState == 2) { dwf.FDwfAnalogInStatus(HDWF, 1, out acqState); //Console.WriteLine("Aquisition: {0}",acqState); dwf.FDwfAnalogInStatusRecord(HDWF, out cAvailable, out cLost, out cCorrupted); Console.WriteLine("Data Available: {0}", cAvailable); lost += cLost; available += cAvailable; if (cAvailable == 0) { acqState0 += 1; continue; } double[] values = new double[cAvailable]; dwf.FDwfAnalogInStatusData2(HDWF, 1, values, index, cAvailable); cSamples += cAvailable; adcValues.AddRange(values.ToList<double>()); } This does not return the desired samples I want. I thought it would be easy to set the amount of data you want for a given period of time which starts grabbing data based on a trigger.