public void setChannel(int line, double value)
{
Task task = new Task();
string devFullname = string.Format("{0}/ao{1}", name, line);
AOChannel channel = task.AOChannels.CreateVoltageChannel(devFullname, "", 0.0, 10.0, AOVoltageUnits.Volts);
task.Start();
AnalogMultiChannelWriter writer = new AnalogMultiChannelWriter(task.Stream);
IAsyncResult result = writer.BeginWriteSingleSample(true, new double[] { value }, null, null);
task.Stop();
}
internal void ZeroAOChanOnDev(string dev, int[] channelsToZero)
{
lock (this)
{
try
{
// Create an analog out task for a given device for all 4 channels.
// Write clearingBufferSize zeros to that port. Wait
// until this is finished and destroy the clearning Task.
Task analogClearingTask = new Task("AnalogClear");
foreach (int chan in channelsToZero)
{
analogClearingTask.AOChannels.CreateVoltageChannel(
"/" + dev + "/ao" + chan, "", -10.0, 10.0, AOVoltageUnits.Volts);
}
//analogClearingTask.Timing.ConfigureSampleClock("/" + dev + "/PF",
// clearingSampleRate,
// SampleClockActiveEdge.Rising,
// SampleQuantityMode.FiniteSamples,
// clearingBufferSize);
analogClearingTask.Timing.ReferenceClockSource = ("/" + dev + "/PFI2");
analogClearingTask.Timing.ReferenceClockRate = 10e6;
AnalogMultiChannelWriter analogClearingWriter = new
AnalogMultiChannelWriter(analogClearingTask.Stream);
double[] zeroData = new double[channelsToZero.Length];
analogClearingWriter.BeginWriteSingleSample(false, zeroData, null, null);
analogClearingTask.Control(TaskAction.Verify);
analogClearingTask.Start();
//analogClearingWriter.WriteSingleSample(true, zeroData);
//analogClearingWriter.WriteMultiSample(true, zeroData);
analogClearingTask.WaitUntilDone(30);
analogClearingTask.Stop();
analogClearingTask.Dispose();
analogClearingTask = null;
}
catch (Exception e)
{
Console.WriteLine("Could not zero analog outputs on device: " + dev);
Console.WriteLine(e.Message);
}
}
}
internal void ZeroAOChanOnDev(string dev, int[] channelsToZero)
{
lock (this)
{
try
{
// Create an analog out task for a given device for all 4 channels.
// Write clearingBufferSize zeros to that port. Wait
// until this is finished and destroy the clearning Task.
Task analogClearingTask = new Task("AnalogClear");
foreach (int chan in channelsToZero)
analogClearingTask.AOChannels.CreateVoltageChannel(
"/" + dev + "/ao" + chan, "", -10.0, 10.0, AOVoltageUnits.Volts);
//analogClearingTask.Timing.ConfigureSampleClock("/" + dev + "/PF",
// clearingSampleRate,
// SampleClockActiveEdge.Rising,
// SampleQuantityMode.FiniteSamples,
// clearingBufferSize);
analogClearingTask.Timing.ReferenceClockSource = ("/" + dev + "/PFI2");
analogClearingTask.Timing.ReferenceClockRate = 10e6;
AnalogMultiChannelWriter analogClearingWriter = new
AnalogMultiChannelWriter(analogClearingTask.Stream);
double[] zeroData = new double[channelsToZero.Length];
analogClearingWriter.BeginWriteSingleSample(false, zeroData, null, null);
analogClearingTask.Control(TaskAction.Verify);
analogClearingTask.Start();
//analogClearingWriter.WriteSingleSample(true, zeroData);
//analogClearingWriter.WriteMultiSample(true, zeroData);
analogClearingTask.WaitUntilDone(30);
analogClearingTask.Stop();
analogClearingTask.Dispose();
analogClearingTask = null;
}
catch (Exception e)
{
Console.WriteLine("Could not zero analog outputs on device: " + dev);
Console.WriteLine(e.Message);
}
}
}
