private void startDacq_Click(object sender, EventArgs e)
{
startDacq.Enabled = false;
stopDacq.Enabled = true;
other_receiver = 0;
if (((CMcsUsbListEntryNet)cbDeviceList.SelectedItem).SerialNumber.EndsWith("-B"))
{
other_receiver = 4; // bit 0/1 select the timeslot of: bit 2/3 = 0 receiver according to USB port, 1 receiver A, 2 receiver B
}
uint status = mea.Connect((CMcsUsbListEntryNet)cbDeviceList.SelectedItem, 63);
if (status == 0)
{
int ChannelsInBlock;
mea.SetDataMode(DataModeEnumNet.Signed_32bit, 0);
if (mea.GetDeviceId().IdProduct == ProductIdEnumNet.W2100)
{
Samplerate = 20000;
}
mea.SetNumberOfAnalogChannels(Channels, 0, Channels, AnalogChannels, 0); // Read raw data
try
{
mea.SetSamplerate(Samplerate, 1, 0);
}
catch (CUsbExceptionNet)
{
Samplerate = mea.GetSamplerate(0);
}
mea.EnableDigitalIn((use_digital_in ? (DigitalDatastreamEnableEnumNet)3 : 0), 0);
// map feedback bit 0 to digital(in) stream bit 4
mea.SetDigitalSource(DigitalTargetEnumNet.Digstream, 4, W2100DigitalSourceEnumNet.Feedback, 0);
mea.SetDigitalSource(DigitalTargetEnumNet.Digout, 0, W2100DigitalSourceEnumNet.Feedback, 0);
mea.EnableChecksum(true, 0);
ChannelsInBlock = mea.GetChannelsInBlock(0);
mea.GetChannelLayout(out int analogChannels, out int digitalChannels, out int checksumChannels, out int timestampChannels, out int channelsInBlock, 0);
TotalChannels = channelsInBlock / 2;
mea.SetSelectedData(TotalChannels, Samplerate * 10, Samplerate, SampleSizeNet.SampleSize32Signed, ChannelsInBlock);
mea.ChannelBlock_SetCheckChecksum((uint)checksumChannels, (uint)timestampChannels);
mea.StartDacq();
if (mea.GetDeviceId().IdProduct == ProductIdEnumNet.W2100)
{
CW2100_FunctionNet func = new CW2100_FunctionNet(mea);
w2100_hs_samling = func.GetHeadstageSamplingActive(other_receiver + 0);
func.SetHeadstageSamplingActive(false, other_receiver + 0);
#if true
// Send Stimulation pattern
bool first = true;
int preplegth = 0;
CW2100_StimulatorFunctionNet stim = new CW2100_StimulatorFunctionNet(mea);
stim.SelectTimeSlot(other_receiver + 0);
#if false
// Different repetition
int[] ampl = new[] { 0, 100000, -100000, 0, 6, 0 };
ulong[] dur = new ulong[] { 0, 10000, 10000, 10000, 0, 300000 };
for (int i = 0; i < 16; i++)
{
ampl[4] = i + 2;
#else
// Different strength
int[] ampl = new[] { 1000000, -1000000, 0 }
;
ulong[] dur = new ulong[] { 2000, 2000, 10000 - 2 * 2000 };
for (int i = 0; i < 16; i++)
{
ampl[0] = 40000 * i + 50000;
ampl[1] = -40000 * i - 50000;
#endif
// choose, if global repeat is desired
CStimulusFunctionNet.StimulusDeviceDataAndUnrolledData prep = stim.PrepareData(0, ampl, dur, STG_DestinationEnumNet.channeldata_current, 1);
if (first)
{
first = false;
preplegth = prep.DeviceDataLength;
}
Debug.Assert(preplegth == prep.DeviceDataLength);
Debug.Assert(prep.DeviceDataLength <= 15);
stim.SendPreparedData(0x10 * i + 0, prep, STG_DestinationEnumNet.channeldata_current);
}
#endif
func.SetHeadstageSamplingActive(true, other_receiver + 0);
}
}
else
{
MessageBox.Show(CMcsUsbNet.GetErrorText(status));
startDacq.Enabled = true;
stopDacq.Enabled = false;
}
}
