public DaqAo(string channel)
{
_myAoChannel = _analogOutTask.AOChannels.CreateVoltageChannel(
"dev3/" + channel,
"myAOChannel",
0,
5,
AOVoltageUnits.Volts
);
_writer = new AnalogSingleChannelWriter(_analogOutTask.Stream);
}
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();
}
public static void InitializeInstrument()
{
//Initializing Task
motorLoadTask = new Task();
motorControlTask = new Task();
motorRotationsTask = new Task();
//Initializing channels
//Voltage analog in
motorLoadChannel = motorLoadTask.AIChannels.CreateVoltageChannel("dev1/ai0", "Motor Load Channel", AITerminalConfiguration.Rse, 0, 10, AIVoltageUnits.Volts);
//Voltage analog out
motorControlChannel = motorControlTask.AOChannels.CreateVoltageChannel("dev1/ao0", "Motor Control Channel", 0, 5, AOVoltageUnits.Volts);
//Voltage digital in
motorRotationsChannel = motorRotationsTask.DIChannels.CreateChannel("dev1/port0", "Motor Rotation Channel", ChannelLineGrouping.OneChannelForAllLines);
}
public void setChannelValues(int line, double[] values)
{
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.Timing.ConfigureSampleClock("", 1000, SampleClockActiveEdge.Rising, SampleQuantityMode.FiniteSamples, values.Length);
task.Stream.WriteRegenerationMode = WriteRegenerationMode.AllowRegeneration;
AnalogSingleChannelWriter writer = new AnalogSingleChannelWriter(task.Stream);
writer.WriteMultiSample(false, values);
task.Start();
while (task.IsDone == false)
{
;
}
task.Dispose();
}
public void Write(string output, double outputVoltage)
{
try
{
Task analogOutTask = new Task();
AOChannel myAOChannel = analogOutTask.AOChannels.CreateVoltageChannel(
Device + "/" + output,
"myAOChannel",
Settings.Vmin,
Settings.Vmax,
AOVoltageUnits.Volts
);
AnalogSingleChannelWriter writer = new AnalogSingleChannelWriter(analogOutTask.Stream);
writer.WriteSingleSample(true, outputVoltage);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}