//Reset LFP filter
private void resetLFPFilter()
{
rawType Fs;
if (Properties.Settings.Default.SeparateLFPBoard)
{
Fs = Properties.Settings.Default.LFPSampleFrequency;
}
else
{
Fs = Properties.Settings.Default.RawSampleFrequency;
}
if (lfpFilter != null)
{
lock (lfpFilter)
{
for (int i = 0; i < lfpFilter.Length; ++i)
{
//lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
// Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value));
if (Properties.Settings.Default.SeparateLFPBoard)
{
lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), lfpBufferLength);
}
else
{
lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), spikeBufferLength);
}
}
}
}
else //lfpFilter is uninitialized
{
//lfpFilter = new BesselBandpassFilter[numChannels];
lfpFilter = new ButterworthFilter[numChannels];
for (int i = 0; i < numChannels; ++i)
{
//lfpFilter[i] = new BesselBandpassFilter((int)LFPFiltOrder.Value, Convert.ToDouble(textBox_lfpSamplingRate.Text),
// Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value));
if (Properties.Settings.Default.SeparateLFPBoard)
{
lfpFilter[i] = new ButterworthFilter((int)LFPFiltOrder.Value, Properties.Settings.Default.LFPSampleFrequency,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), lfpBufferLength);
}
else
{
lfpFilter[i] = new ButterworthFilter((int)LFPFiltOrder.Value, Properties.Settings.Default.LFPSampleFrequency,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), spikeBufferLength);
}
}
}
}
public void Reset(int order, rawType samplingRate, rawType lowCut, rawType highCut, int bufferSize)
{
lock (this)
{
dcof = ButterworthFilter.dcof_bwbp(order, (rawType)(lowCut / (samplingRate * 0.5)), (rawType)(highCut / (samplingRate * 0.5)));
ccof = ButterworthFilter.ccof_bwbp(order, (rawType)(lowCut / (samplingRate * 0.5)), (rawType)(highCut / (samplingRate * 0.5)));
//for (int i = 0; i < dcof.Length; ++i)
// dcof[i] = -dcof[i]; //Since you always subtract dcof
lastInput = new rawType[ccof.Length - 1];
lastInput.Initialize();
lastOutput = new rawType[ccof.Length - 1];
lastOutput.Initialize();
oldData = new rawType[bufferSize];
}
}
//Reset spike filter
private void resetSpikeFilter()
{
if (spikeFilter != null)
{
lock (spikeFilter)
{
for (int i = 0; i < spikeFilter.Length; ++i)
{
spikeFilter[i].Reset((int)SpikeFiltOrder.Value, Properties.Settings.Default.RawSampleFrequency,
Convert.ToDouble(SpikeLowCut.Value), Convert.ToDouble(SpikeHighCut.Value), spikeBufferLength);
}
}
}
else //spikeFilter is uninitialized
{
spikeFilter = new ButterworthFilter[numChannels];
for (int i = 0; i < numChannels; ++i)
{
spikeFilter[i] = new ButterworthFilter((int)SpikeFiltOrder.Value, Properties.Settings.Default.RawSampleFrequency,
Convert.ToDouble(SpikeLowCut.Value), Convert.ToDouble(SpikeHighCut.Value), spikeBufferLength);
}
}
}
//Reset spike filter
private void resetSpikeFilter()
{
if (spikeFilter != null)
{
lock (spikeFilter)
{
for (int i = 0; i < spikeFilter.Length; ++i)
spikeFilter[i].Reset((int)SpikeFiltOrder.Value, Properties.Settings.Default.RawSampleFrequency,
Convert.ToDouble(SpikeLowCut.Value), Convert.ToDouble(SpikeHighCut.Value), spikeBufferLength);
}
}
else //spikeFilter is uninitialized
{
spikeFilter = new ButterworthFilter[numChannels];
for (int i = 0; i < numChannels; ++i)
spikeFilter[i] = new ButterworthFilter((int)SpikeFiltOrder.Value, Properties.Settings.Default.RawSampleFrequency,
Convert.ToDouble(SpikeLowCut.Value), Convert.ToDouble(SpikeHighCut.Value), spikeBufferLength);
}
}
//Reset LFP filter
private void resetLFPFilter()
{
rawType Fs;
if (Properties.Settings.Default.SeparateLFPBoard)
Fs = Properties.Settings.Default.LFPSampleFrequency;
else
Fs = Properties.Settings.Default.RawSampleFrequency;
if (lfpFilter != null)
{
lock (lfpFilter)
{
for (int i = 0; i < lfpFilter.Length; ++i)
//lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
// Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value));
if (Properties.Settings.Default.SeparateLFPBoard)
lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), lfpBufferLength);
else
lfpFilter[i].Reset((int)LFPFiltOrder.Value, Fs,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), spikeBufferLength);
}
}
else //lfpFilter is uninitialized
{
//lfpFilter = new BesselBandpassFilter[numChannels];
lfpFilter = new ButterworthFilter[numChannels];
for (int i = 0; i < numChannels; ++i)
//lfpFilter[i] = new BesselBandpassFilter((int)LFPFiltOrder.Value, Convert.ToDouble(textBox_lfpSamplingRate.Text),
// Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value));
if (Properties.Settings.Default.SeparateLFPBoard)
lfpFilter[i] = new ButterworthFilter((int)LFPFiltOrder.Value, Properties.Settings.Default.LFPSampleFrequency,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), lfpBufferLength);
else
lfpFilter[i] = new ButterworthFilter((int)LFPFiltOrder.Value, Properties.Settings.Default.LFPSampleFrequency,
Convert.ToDouble(LFPLowCut.Value), Convert.ToDouble(LFPHighCut.Value), spikeBufferLength);
}
}