public NidaQmxChannel(NidaQmxDevice2 device, string channel, ChannelDirection direction, IIDGenerator idgen)
{
_status = DevicePortStatus.Idle;
Id = idgen.GetID();
Channel = channel;
Device = device;
_direction = direction;
}
public bool Start(NidaQmxDevice2 device)
{
if (Recording)
{
return(false);
}
_device = device;
InOutPortFlags flags = 0;
if (device.ListeningPorts.Any(p => p.Direction == ChannelDirection.Input))
{
flags |= InOutPortFlags.UseInput;
}
if (device.ListeningPorts.Any(p => p.Direction == ChannelDirection.Output))
{
flags |= InOutPortFlags.UseOutput;
}
if (!CreateVirtualChannel(flags))
{
return(false);
}
if (!ConfigureDevClock(flags))
{
return(false);
}
if (flags.HasFlag(InOutPortFlags.UseInput))
{
Data = Marshal.AllocHGlobal(sizeof(double) * device.SamplesPerChannelInput * device.ListeningPorts.Count());
foreach (var port in device.ListeningPorts.OfType <NidaQmxChannelInput>())
{
port.SetBufferSize(device.SamplesPerChannelInput);
}
}
if (!RunTask(flags))
{
return(false);
}
_stopThread = false;
if (flags.HasFlag(InOutPortFlags.UseInput))
{
_pollThread = new Thread(EveryNCallback);
_pollThread.Start();
}
Recording = true;
return(true);
}
public NidaQmxChannelInput(NidaQmxDevice2 device, string channel, IIDGenerator idgen)
: base(device, channel, ChannelDirection.Input, idgen)
{
}