public bool ScanNext(IOpenChannel channel, IBiofeedbackSource source, out Sample sample)
{
if (nextRead < samples.Count)
{
channel.Frequency = samples[nextRead].frequency;
samples[nextRead].response = source.Read();
sample = samples[nextRead];
nextRead++;
return(true);
}
else
{
sample = null;
return(false);
}
}
public bool Next(IOpenChannel channel, out double freq, out Waveform waveform, out double amplitude, out TimeSpan eta)
{
if (commands.MoveNext())
{
commands.Current.Cmd.Run(channel);
freq = commands.Current.Frequency;
eta = commands.Current.Remaining;
waveform = commands.Current.Waveform;
amplitude = commands.Current.Amplitude;
Thread.Sleep(commands.Current.Cmd.Duration);
return(true);
}
else
{
freq = 0;
eta = default(TimeSpan);
waveform = Waveform.Default;
amplitude = 0;
return(false);
}
}
void ThreadFn()
{
try
{
NativeMethods.PreventSleep();
if (openChannel is null)
{
openChannel = channel.TryOpen();
}
if (openChannel is null)
{
state = RunState.Error;
Progress(RunState.Error, 0, Waveform.Default, 0, eta);
return;
}
State = RunState.Running;
openChannel.Relay = true;
double freq;
Waveform waveform;
double amplitude;
while (runner.Next(openChannel, out freq, out waveform, out amplitude, out eta))
{
Progress(RunState.Running, freq, waveform, amplitude, eta);
if (source.Token.IsCancellationRequested)
{
openChannel.Relay = false;
return;
}
}
openChannel.Relay = false;
Progress(RunState.Completed, freq, waveform, amplitude, eta);
State = RunState.Completed;
}
catch (HardwareException ex)
{
hwex = ex;
state = RunState.Error;
Progress(RunState.Error, 0, Waveform.Default, 0, eta);
}
catch
{
// Shouldn't really get here :-(
state = RunState.Error;
Progress(RunState.Error, 0, Waveform.Default, 0, eta);
}
finally
{
try
{
openChannel?.Close();
}
catch
{
}
openChannel = null;
NativeMethods.AllowSleep();
}
}
public void Run(IOpenChannel channel)
{
throw innerException;
}
// If previous is null
void Apply(IOpenChannel channel, Step step, Step previous)
{
}
void Start(IRunnable runnable, IOpenChannel channel)
{
}
public void Run(IOpenChannel channel)
{
channel.Waveform = W;
}
public void Run(IOpenChannel channel)
{
channel.Amplitude = Amp;
}
public void Run(IOpenChannel channel)
{
channel.Frequency = Freq;
}
public void Run(IOpenChannel channel)
{
}
public CachedChannel(IOpenChannel channel)
{
UnderlyingChannel = channel;
}
