/// <summary>
/// Same as other version of groupDigitalChannels, but only allows for port numbers in the list allowedPortsToUse
/// </summary>
/// <param name="digitalIDs"></param>
/// <param name="digitals"></param>
/// <param name="port_digital_IDs"></param>
/// <param name="usedPortNumbers"></param>
/// <param name="allowedPortsToUse"></param>
private static void groupDigitalChannels(List <int> digitalIDs, List <HardwareChannel> digitals, out Dictionary <int, int[]> port_digital_IDs, out List <int> usedPortNumbers, bool is6533, List <int> allowedPortsToUse)
{
// Irritating but true fact of life: To make the DAQmx drivers happy
// we have to output the digital outputs in 8 bit groups corresponding to
// the "port" of the device. This means we first have to amalgamate the digital channels that belong
// to the same port, and fill in any "holes" (ie missing channels) with empty data
{
usedPortNumbers = new List <int>();
// mapping from port number to an array of integers. The nth element of the array gives the digital ID
// of the channel which is connected to the nth line of that port. If there is no channel on that port,
// the ID is -1.
port_digital_IDs = new Dictionary <int, int[]>();
for (int i = 0; i < digitalIDs.Count; i++)
{
int digitalID = digitalIDs[i];
HardwareChannel hc = digitals[i];
int portNum = hc.daqMxDigitalPortNumber();
int portNumBis;
if (!usedPortNumbers.Contains(portNum))
{
if (allowedPortsToUse.Contains(portNum))
{
if (!is6533)
{
usedPortNumbers.Add(portNum);
// Ports have to be used by pairs for the Daqmx driver to work. If port 0 is used, port 1 has to be used too, and the opposite too, etc...
portNumBis = portNum - 2 * (portNum % 2) + 1;
usedPortNumbers.Add(portNumBis);
// create the array mapping line number to digital IDs, and fill it with -1s.
port_digital_IDs.Add(portNum, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
port_digital_IDs.Add(portNumBis, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
}
else
{
usedPortNumbers.Add(0);
usedPortNumbers.Add(1);
usedPortNumbers.Add(2);
usedPortNumbers.Add(3);
port_digital_IDs.Add(0, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
port_digital_IDs.Add(1, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
port_digital_IDs.Add(2, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
port_digital_IDs.Add(3, new int[] { -1, -1, -1, -1, -1, -1, -1, -1 });
}
}
}
if (usedPortNumbers.Contains(portNum))
{
port_digital_IDs[portNum][hc.daqMxDigitalLineNumber()] = digitalID;
}
}
}
}
/// <summary>
/// This function creates channels in the given task, for the named device.
/// </summary>
/// <param name="deviceName">
/// The name of the device which the channels will will be created for. Eg Dev1
/// </param>
/// <param name="usedDigitalChannels"></param>
/// A dictionary, indexed by logical ID#, of all of the digital hardware channels parsed from parsed from settings data which
/// reside on this server.
/// <param name="usedAnalogChannels">
/// A dictionary, indexed by logical ID#, of all of the analog hardware channels parsed from the settings data, which reside on this server.
/// </param>
/// <param name="task">The task for which channels will be created.</param>
/// <param name="analogIDs">
/// An out parameter, which will store a list of the analog IDs that were created, in the order created.
/// </param>
/// <param name="analogs">
/// An out parameter, which will store a list of the analog hardware channels corresponding to the channels created, in the order created.
/// </param>
/// <param name="port_digital_IDs"></param>
/// An out parameter, which will store a dictionary mapping a digital port number to an 8-length array of integers specifying the logical ID# of each bit of the
/// given port #. Entries of -1 in this array indicate bits that have no logical ID# assigned. See **** in this method's source code for further information.
/// <param name="usedPortNumbers">
/// An out parameter, which will store a list of integers corresponding to the digital port numbers that were used on this device, in the order created.
/// </param>
private static void parseAndCreateChannels(string deviceName, DeviceSettings deviceSettings, Dictionary <int, HardwareChannel> usedDigitalChannels, Dictionary <int, HardwareChannel> usedAnalogChannels, Task task, out List <int> analogIDs, out List <HardwareChannel> analogs, out Dictionary <int, int[]> port_digital_IDs, out List <int> usedPortNumbers)
{
// figure out which of the analog and digital channels belong on this device. Add them here and index by
// logical ID#
Dictionary <int, HardwareChannel> analogsUnsorted = getChannelsOnDevice(usedAnalogChannels, deviceName);
Dictionary <int, HardwareChannel> digitalsUnsorted = getChannelsOnDevice(usedDigitalChannels, deviceName);
// sort the lists by ID
analogIDs = new List <int>();
analogs = new List <HardwareChannel>();
sortDicionaryByID(analogIDs, analogs, analogsUnsorted);
// list of the digital IDs of channels on this device
List <int> digitalIDs = new List <int>();
// list of the corresponding hardware channels
List <HardwareChannel> digitals = new List <HardwareChannel>();
sortDicionaryByID(digitalIDs, digitals, digitalsUnsorted);
// ****
// description of port_digital_IDs:
// mapping from port number to an array of integers. The nth element of the array gives the digital ID
// of the channel which is connected to the nth line of that port. If there is no channel on that port,
// the ID is -1.
if (deviceSettings.DeviceDescription.Contains("6533"))
{
groupDigitalChannels(digitalIDs, digitals, out port_digital_IDs, out usedPortNumbers, true);
}
else
{
groupDigitalChannels(digitalIDs, digitals, out port_digital_IDs, out usedPortNumbers, false);
}
//ok! create the channels.
// analog first
for (int i = 0; i < analogs.Count; i++)
{
task.AOChannels.CreateVoltageChannel(analogs[i].physicalChannelName(), "", -10, 10, AOVoltageUnits.Volts);
}
// now digital
for (int i = 0; i < usedPortNumbers.Count; i++)
{
int portNum = usedPortNumbers[i];
task.DOChannels.CreateChannel(deviceName + '/' + HardwareChannel.digitalPhysicalChannelName(portNum), "", ChannelLineGrouping.OneChannelForAllLines);
}
}
/// <summary>
/// Creates a task for a variable timebase output. Consumes the entire port (8 bits) that the timebase is on. (ie outputs the
/// signal on all 8 bits
/// </summary>
/// <param name="channelName"></param>
/// <param name="masterFrequency"></param>
/// <param name="sequenceData"></param>
/// <param name="timebaseType"></param>
/// <returns></returns>
public static Task createDaqMxVariableTimebaseSource(string channelName, int masterFrequency, SequenceData sequenceData,
SequenceData.VariableTimebaseTypes timebaseType, ServerSettings serverSettings, DeviceSettings deviceSettings)
{
Task task = new Task("Variable timebase output task");
TimestepTimebaseSegmentCollection timebaseSegments = sequenceData.generateVariableTimebaseSegments(timebaseType,
Common.getPeriodFromFrequency(masterFrequency));
bool [] buffer = sequenceData.getVariableTimebaseClock(timebaseSegments);
string timebaseDeviceName = HardwareChannel.parseDeviceNameStringFromPhysicalChannelString(channelName);
string timebasePort = HardwareChannel.parsePortStringFromChannelString(channelName);
task.DOChannels.CreateChannel(timebasePort, "", ChannelLineGrouping.OneChannelForAllLines);
task.Timing.ConfigureSampleClock("", (double)masterFrequency, deviceSettings.ClockEdge, SampleQuantityMode.FiniteSamples, buffer.Length);
if (serverSettings.VariableTimebaseTriggerInput != "")
{
task.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(serverSettings.VariableTimebaseTriggerInput, DigitalEdgeStartTriggerEdge.Rising);
}
DigitalSingleChannelWriter writer = new DigitalSingleChannelWriter(task.Stream);
byte[] byteBuffer = new byte[buffer.Length];
for (int j = 0; j < buffer.Length; j++)
{
if (buffer[j])
{
byteBuffer[j] = 255;
}
}
writer.WriteMultiSamplePort(false, byteBuffer);
return(task);
}
/// <summary>
/// This method is a sort of combination of createDaqMxVariableTimebaseSource and createDaqMxTask. It is intended
/// for use to create a digital output task that has both a variable timebase source on it, without having to discard
/// all of the other channels on that port (and possibly on its neighboring port).
///
/// NOTE: No longer true. This function can not create the variable timebase outputs at the same time as
/// normal outputs. If you attempt to use digital outputs on the same half of the card as your variable timebase output,
/// this method will complain.
/// </summary>
/// <param name="channelName">
/// Name of the channel that will output the variable timebase clock.
/// </param>
/// <param name="portsToUse">
/// A list of integers specifying the digital ports that this task will use. The task will automatically
/// make use of the full port that the variable timebase clock belongs to. If portsToUse is null, then
/// this function will automatically use both this port and its neighboring port (0 with 1, 2 with 3, etc).
/// The rationale for this is that on some NI devices, these pairs of ports will share a sample clock and
/// cannot truly be used independently.
/// </param>
/// <param name="masterFrequency">
/// The frequency, in hertz, of the master clock which will drive the variable timebase clock and the rest of the
/// channels in this task.
/// </param>
/// <param name="sequenceData"></param>
/// <param name="timebaseType"></param>
/// <param name="deviceName"></param>
/// <param name="deviceSettings"></param>
/// <param name="sequence"></param>
/// <param name="settings"></param>
/// <param name="usedDigitalChannels"></param>
/// <param name="usedAnalogChannels"></param>
/// <param name="serverSettings"></param>
/// <returns></returns>
public static Task createDaqMxDigitalOutputAndVariableTimebaseSource(string channelName, List <int> portsToUse, int masterFrequency,
SequenceData sequenceData, SequenceData.VariableTimebaseTypes timebaseType,
string deviceName, DeviceSettings deviceSettings, SettingsData settings, Dictionary <int, HardwareChannel> usedDigitalChannels, ServerSettings serverSettings)
{
// First generate the variable timebase buffer. We will need stuff like its length for configuring the task, which is why we do this first.
TimestepTimebaseSegmentCollection timebaseSegments = sequenceData.generateVariableTimebaseSegments(timebaseType, Common.getPeriodFromFrequency(masterFrequency));
bool[] variableTimebaseBuffer = sequenceData.getVariableTimebaseClock(timebaseSegments);
if (deviceName.ToUpper() != HardwareChannel.parseDeviceNameStringFromPhysicalChannelString(channelName).ToUpper())
{
throw new Exception("The variable timebase device " + HardwareChannel.parseDeviceNameStringFromPhysicalChannelString(channelName) + " does not match device " + deviceName + ". These must match for their their task to be created together.");
}
int timebasePortNum;
int timebaseLineNum;
try
{
timebasePortNum = HardwareChannel.parsePortNumberFromChannelString(channelName);
timebaseLineNum = HardwareChannel.parseLineNumberFromChannelString(channelName);
}
catch (Exception)
{
throw new Exception("Channel name " + channelName + " is not a valid digital channel name. Cannot create a variable timebase output on this channel.");
}
if (portsToUse == null)
{
portsToUse = new List <int>();
portsToUse.Add(timebasePortNum);
int spousePort; // this port is likely to have a shared sample clock with timebasePortNum,
// at least in my experience so far.
if (timebasePortNum % 2 == 0)
{
spousePort = timebasePortNum + 1;
}
else
{
spousePort = timebasePortNum - 1;
}
portsToUse.Add(spousePort);
}
if (!portsToUse.Contains(timebasePortNum))
{
portsToUse.Add(timebasePortNum);
}
bool otherChannelsUsedOnUsedPort = false;
foreach (HardwareChannel hc in usedDigitalChannels.Values)
{
if (hc.DeviceName.ToUpper() == deviceName.ToUpper())
{
if (portsToUse.Contains(hc.daqMxDigitalPortNumber()))
{
otherChannelsUsedOnUsedPort = true;
}
}
}
if (otherChannelsUsedOnUsedPort)
{
throw new Exception("Variable timebase channel is on a port that shares a sample clock with a used output channel (on most devices, port 0 and 1 have a shared clock, and port 2 and 3 have a shared clock). This usage is not recommended, and not currently supported. Aborting buffer generation.");
#region Deprecated code
/*
* Task task = new Task("Variable timebase output task");
*
* // Create channels in the task
* foreach (int portNum in portsToUse)
* {
* task.DOChannels.CreateChannel(deviceName + '/' + HardwareChannel.digitalPhysicalChannelName(portNum), "", ChannelLineGrouping.OneChannelForAllLines);
* }
*
* // Configure the task...
*
* task.Timing.ConfigureSampleClock("", masterFrequency, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, variableTimebaseBuffer.Length);
*
* if (serverSettings.VariableTimebaseTriggerInput != "")
* {
* task.Triggers.StartTrigger.ConfigureDigitalEdgeTrigger(serverSettings.VariableTimebaseTriggerInput, DigitalEdgeStartTriggerEdge.Rising);
* }
*
*
* // Figure out which ports we are going to use, and which digital ID each line on each of those ports
* // maps to.
* Dictionary<int, HardwareChannel> digitalChannelsToUse = getChannelsOnDevice(usedDigitalChannels, deviceName);
* List<int> temp = new List<int>(digitalChannelsToUse.Keys);
* foreach (int id in temp)
* {
* HardwareChannel ch = digitalChannelsToUse[id];
* if (!portsToUse.Contains(HardwareChannel.parsePortNumberFromChannelString(ch.ChannelName)))
* {
* digitalChannelsToUse.Remove(id);
* }
* }
*
* // Remove all of the digital channels this buffer generation is consuming from the
* // usedDigitalChannels dictionary. Why? Because there may still be another task to
* // generate on this device, and this is a way of keeping track of which channels
* // have already had their buffers generated.
* // Since digitalChannelsToUse gets passed by reference from AtticusServerRuntime.generateBuffers(...),
* // these changes thus get communicated back to AtticusServerRuntime.
* foreach (HardwareChannel hc in digitalChannelsToUse.Values)
* {
* foreach (int i in usedDigitalChannels.Keys)
* {
* if (usedDigitalChannels[i] == hc)
* {
* usedDigitalChannels.Remove(i);
* break;
* }
* }
* }
*
* List<int> ids = new List<int>(digitalChannelsToUse.Keys);
* ids.Sort();
* List<HardwareChannel> hcs = new List<HardwareChannel>();
* foreach (int id in ids)
* {
* hcs.Add(digitalChannelsToUse[id]);
* }
*
* Dictionary<int, int[]> port_digital_ids;
* List<int> usedPorts;
*
* groupDigitalChannels(ids, hcs, out port_digital_ids, out usedPorts);
*
*
*
* // now to generate the buffers.
*
*
* if (usedPorts.Count != 0)
* {
* byte[,] digitalBuffer;
*
*
* try
* {
* digitalBuffer = new byte[usedPorts.Count, variableTimebaseBuffer.Length];
* }
* catch (Exception e)
* {
* throw new Exception("Unable to allocate digital buffer for device " + deviceName + ". Reason: " + e.Message + "\n" + e.StackTrace);
* }
*
* for (int i = 0; i < usedPorts.Count; i++)
* {
* int portNum = usedPorts[i];
* byte digitalBitMask = 1;
* for (int lineNum = 0; lineNum < 8; lineNum++)
* {
* bool[] singleChannelBuffer = null;
*
* if (portNum == timebasePortNum && lineNum == timebaseLineNum)
* { // this current line is the variable timebase...
* singleChannelBuffer = variableTimebaseBuffer;
* }
* else
* {
* int digitalID = port_digital_ids[portNum][lineNum];
* if (digitalID != -1)
* {
* if (settings.logicalChannelManager.Digitals[digitalID].overridden)
* {
* singleChannelBuffer = new bool[variableTimebaseBuffer.Length];
* if (settings.logicalChannelManager.Digitals[digitalID].digitalOverrideValue)
* {
* for (int j = 0; j < singleChannelBuffer.Length; j++)
* {
* singleChannelBuffer[j] = true;
* }
* }
* }
* else
* {
* singleChannelBuffer = sequenceData.getDigitalBufferClockSharedWithVariableTimebaseClock(timebaseSegments, digitalID, 1.0 / deviceSettings.SampleClockRate);
* }
* }
* }
*
* if (singleChannelBuffer != null)
* {
* for (int j = 0; j < singleChannelBuffer.Length; j++)
* {
* if (singleChannelBuffer[j])
* {
* digitalBuffer[i, j] |= digitalBitMask;
* }
* }
* }
* digitalBitMask = (byte)(digitalBitMask << 1);
*
* }
* }
* System.GC.Collect();
* DigitalMultiChannelWriter writer = new DigitalMultiChannelWriter(task.Stream);
* writer.WriteMultiSamplePort(false, digitalBuffer);
*
*
* }
*
*
* return task; */
#endregion
}
else
{
return(createDaqMxVariableTimebaseSource(
channelName, masterFrequency, sequenceData, timebaseType, serverSettings, deviceSettings));
}
}
long postRetriggerTime = 100; // corresponds to 10us.
// A workaround to issue when using software timed groups in
// fpga-retriggered words
// the workaround: delay the software timed group by an immesurable amount
// if it is started in a retriggered word
// This functionality is sort of somewhat duplicated in sequencedata.generatebuffers. It would be good
// to come up with a more coherent framework to do these sorts of operations.
public bool generateBuffer(SequenceData sequence, DeviceSettings deviceSettings, HardwareChannel hc, int logicalChannelID, List <GpibRampCommandConverter> commandConverters)
{
this.logicalChannelID = logicalChannelID;
this.deviceType = hc.GpibDeviceType;
commandBuffer = new List <GpibCommand>();
if (deviceSettings.StartTriggerType != DeviceSettings.TriggerType.SoftwareTrigger)
{
throw new Exception("GPIB devices must have a software start trigger.");
}
// start by adding the initialization string to the command buffer
// this does nothing for unknown device types
// Modified by REO 11/25/08: Null strings produce errors if written to device, so check
if (HardwareChannel.HardwareConstants.gpibInitializationCommands[(int)deviceType] != null)
{
commandBuffer.Add(new GpibCommand(HardwareChannel.HardwareConstants.gpibInitializationCommands[(int)deviceType], 0));
}
if (deviceType == HardwareChannel.HardwareConstants.GPIBDeviceType.Unknown)
{
foreach (GpibRampCommandConverter conv in commandConverters)
{
//Modified by REO 11/25/08: Null strings produce errors if written to device, so check
if (deviceSettings.DeviceDescription.Contains(conv.DeviceIdentifierSubstring) && conv.InitializationCommand != null)
{
commandBuffer.Add(new GpibCommand(AddNewlineCharacters(conv.InitializationCommand), 0));
}
}
}
int currentStepIndex = -1;
//measured in ticks. 1 tick = 100 ns.
long currentTime = 0;
// This functionality is sort of somewhat duplicated in sequencedata.generatebuffers. It would be good
// to come up with a more coherent framework to do these sorts of operations.
while (true)
{
currentStepIndex++;
if (currentStepIndex >= sequence.TimeSteps.Count)
{
break;
}
TimeStep currentStep = sequence.TimeSteps[currentStepIndex];
if (!currentStep.StepEnabled)
{
continue;
}
if (currentStep.GpibGroup == null || !currentStep.GpibGroup.channelEnabled(logicalChannelID))
{
currentTime += Shared.SecondsToTicks(currentStep.StepDuration.getBaseValue());
continue;
}
long postTime = 0;
if (currentStep.RetriggerOptions.WaitForRetrigger)
{
postTime = postRetriggerTime;
}
// determine the index of the next step in which this channel has an action
int nextEnabledStepIndex = sequence.findNextGpibChannelEnabledTimestep(currentStepIndex, logicalChannelID);
long groupDuration = Shared.SecondsToTicks(sequence.timeBetweenSteps(currentStepIndex, nextEnabledStepIndex));
// now take action:
GPIBGroupChannelData channelData = currentStep.GpibGroup.getChannelData(logicalChannelID);
if (channelData.DataType == GPIBGroupChannelData.GpibChannelDataType.raw_string)
{
// Raw string commands just get added
string stringWithCorrectNewlines = AddNewlineCharacters(channelData.RawString);
commandBuffer.Add(new GpibCommand(stringWithCorrectNewlines, currentTime + postTime));
}
else if (channelData.DataType == GPIBGroupChannelData.GpibChannelDataType.voltage_frequency_waveform)
{
GpibRampCommandConverter rampConverter = null;
switch (hc.GpibDeviceType)
{
case HardwareChannel.HardwareConstants.GPIBDeviceType.Unknown:
{
foreach (GpibRampCommandConverter conv in commandConverters)
{
if (deviceSettings.DeviceDescription.Contains(conv.DeviceIdentifierSubstring))
{
rampConverter = conv;
}
}
if (rampConverter == null)
{
throw new Exception("Voltage/frequency ramp not supported for unknown gpib device " + hc.ToString() + ".");
}
}
break;
case HardwareChannel.HardwareConstants.GPIBDeviceType.Agilent_ESG_SIG_Generator:
{
rampConverter = ESG_SeriesRampConverter;
}
break;
}
double[] amplitudeArray;
double[] frequencyArray;
// get amplitude and frequency value arrays
int nSamples = (int)(Shared.TicksToSeconds(groupDuration) * (double)deviceSettings.SampleClockRate);
double secondsPerSample = Shared.TicksToSeconds(groupDuration) / (double)nSamples;
amplitudeArray = channelData.volts.getInterpolation(nSamples, 0, Shared.TicksToSeconds(groupDuration), sequence.Variables, sequence.CommonWaveforms);
frequencyArray = channelData.frequency.getInterpolation(nSamples, 0, Shared.TicksToSeconds(groupDuration), sequence.Variables, sequence.CommonWaveforms);
List <DoubleIntPair> amplitudeIndexPairs = ConvertArrayToIndexValuePairs(amplitudeArray);
List <DoubleIntPair> frequencyIndexPairs = ConvertArrayToIndexValuePairs(frequencyArray);
int amplitudeIndex = 0;
int frequencyIndex = 0;
for (int i = 0; i < nSamples; i++)
{
bool amplitudeMatch = false;
bool frequencyMatch = false;
// determine if there is either a amplitude or frequency data point for this sample number
if (amplitudeIndex < amplitudeIndexPairs.Count)
{
amplitudeMatch = amplitudeIndexPairs[amplitudeIndex].myInt == i;
}
if (frequencyIndex < frequencyIndexPairs.Count)
{
frequencyMatch = frequencyIndexPairs[frequencyIndex].myInt == i;
}
if (amplitudeIndex >= amplitudeIndexPairs.Count && frequencyIndex >= frequencyIndexPairs.Count)
{
break;
}
if (amplitudeMatch || frequencyMatch)
{
string command = "";
if (amplitudeMatch)
{
command += rampConverter.amplitudeCommand(amplitudeIndexPairs[amplitudeIndex].myDouble);
amplitudeIndex++;
}
if (frequencyMatch)
{
command += rampConverter.frequencyCommand(frequencyIndexPairs[frequencyIndex].myDouble);
frequencyIndex++;
}
long commandTime = currentTime + Shared.SecondsToTicks((double)i * secondsPerSample) + postTime;
commandBuffer.Add(new GpibCommand(command, commandTime));
}
}
}
else if (channelData.DataType == GPIBGroupChannelData.GpibChannelDataType.string_param_string)
{
if (channelData.StringParameterStrings != null)
{
foreach (StringParameterString sps in channelData.StringParameterStrings)
{
string commandWithCorrectNewlines = AddNewlineCharacters(sps.ToString());
commandBuffer.Add(new GpibCommand(commandWithCorrectNewlines, currentTime + postTime));
}
}
}
currentTime += Shared.SecondsToTicks(currentStep.StepDuration.getBaseValue());
}
return(true);
}
public bool generateBuffer(SequenceData sequence, DeviceSettings deviceSettings, HardwareChannel hc, int logicalChannelID)
{
lock (commandBuffer)
{
commandBuffer.Clear();
this.logicalChannelID = logicalChannelID;
if (deviceSettings.StartTriggerType != DeviceSettings.TriggerType.SoftwareTrigger)
{
throw new Exception("RS232 devices must have a software start trigger.");
}
// List<TimeStep> enabledSteps = sequence.enabledTimeSteps();
int currentStepIndex = -1;
//measured in ticks. 1 tick = 100 ns.
long currentTime = 0;
long postRetriggerTime = 100; // corresponds to 10us.
// A workaround to issue when using software timed groups in
// fpga-retriggered words
// the workaround: delay the software timed group by an immesurable amount
// if it is started in a retriggered word
// This functionality is sort of somewhat duplicated in sequencedata.generatebuffers. It would be good
// to come up with a more coherent framework to do these sorts of operations.
while (true)
{
currentStepIndex++;
if (currentStepIndex >= sequence.TimeSteps.Count)
{
break;
}
TimeStep currentStep = sequence.TimeSteps[currentStepIndex];
if (!currentStep.StepEnabled)
{
continue;
}
long postTime = 0;
if (currentStep.RetriggerOptions.WaitForRetrigger)
{
postTime = postRetriggerTime;
}
if (currentStep.rs232Group == null || !currentStep.rs232Group.channelEnabled(logicalChannelID))
{
currentTime += seconds_to_ticks(currentStep.StepDuration.getBaseValue());
continue;
}
// determine the index of the next step in which this channel has an action
int nextEnabledStepIndex = sequence.findNextRS232ChannelEnabledTimestep(currentStepIndex, logicalChannelID);
long groupDuration = seconds_to_ticks(sequence.timeBetweenSteps(currentStepIndex, nextEnabledStepIndex));
// now take action:
RS232GroupChannelData channelData = currentStep.rs232Group.getChannelData(logicalChannelID);
if (channelData.DataType == RS232GroupChannelData.RS232DataType.Raw)
{
// Raw string commands just get added
string stringWithCorrectNewlines = AddNewlineCharacters(channelData.RawString);
commandBuffer.Add(new RS232Command(stringWithCorrectNewlines, currentTime + postTime));
}
else if (channelData.DataType == RS232GroupChannelData.RS232DataType.Parameter)
{
if (channelData.StringParameterStrings != null)
{
foreach (StringParameterString srs in channelData.StringParameterStrings)
{
commandBuffer.Add(new RS232Command(
AddNewlineCharacters(srs.ToString()), currentTime + postTime));
}
}
}
currentTime += seconds_to_ticks(currentStep.StepDuration.getBaseValue());
}
}
return(true);
}