public static PointPairList Waveform(this OpticalStimulationDevice device, int channel)
{
// Cache parameters to prevent redundant hardware access
var stimulusCurrent = (device.MaxCurrent * (channel == 0 ? device.ChannelZeroCurrent : device.ChannelOneCurrent) / 100.0);
var pulseDuration = device.PulseDuration;
var pulsePeriod = device.PulsePeriod;
var interBurstInterval = device.InterBurstInterval;
var burstPulseCount = device.BurstPulseCount;
var trainBurstCount = device.TrainBurstCount;
// Initial delay
var waveform = new PointPairList {
new PointPair(0, 0), new PointPair(device.TrainDelay, 0)
};
// Stimulus train
for (int i = 0; i < trainBurstCount; i++)
{
for (int j = 0; j < burstPulseCount; j++)
{
waveform.Add(new PointPair(waveform.Last().X, stimulusCurrent));
waveform.Add(new PointPair(waveform.Last().X + pulseDuration, stimulusCurrent));
waveform.Add(new PointPair(waveform.Last().X, 0));
if (j != device.BurstPulseCount - 1)
{
waveform.Add(new PointPair(waveform.Last().X + pulsePeriod - pulseDuration, 0));
}
}
if (i != device.TrainBurstCount - 1)
{
waveform.Add(new PointPair(waveform.Last().X + interBurstInterval, 0));
}
}
return(waveform);
}
public static int NumberOfChannels(this OpticalStimulationDevice _)
{
return(2);
}
public static string[] WaveformAxisLabels(this OpticalStimulationDevice _)
{
return(new[] { "Time (msec)", "Current (mA)" });
}
