Search found 1157 matches

by mellinger
29 May 2021, 06:53
Forum: Software Development
Topic: actichamp failed to get device handle
Replies: 2
Views: 173

Re: actichamp failed to get device handle

Hello hzong,

did you read the actiChamp's contribution page on the BCI2000 wiki?
https://www.bci2000.org/mediawiki/index ... :actiCHamp

The battery might be low, or actiCHampAmplifierID might be set to something other than 0.

Regards,
Juergen
by mellinger
26 May 2021, 12:34
Forum: Software Development
Topic: Communication stops
Replies: 3
Views: 203

Re: Communication stops

OK, so it seems you are not using any spin lock. If you post your code I may have a suggestion what the problem might be. Send me a private message with the code attached if you don't want your code to be publicly visible.
by mellinger
20 May 2021, 13:04
Forum: Software Development
Topic: Communication stops
Replies: 3
Views: 203

Re: Communication stops

Hi,

if the debugger takes you to Atomic::Compare, it is likely that you are trying to lock an already locked spin lock. Does your code use any spin locks?

Regards,
Jürgen
by mellinger
20 May 2021, 12:58
Forum: Known Issues
Topic: Pupil Diameter and BCI2000
Replies: 5
Views: 339

Re: Pupil Diameter and BCI2000

Yes, you would need to alter the source code of the SpatialFilter.
by mellinger
11 May 2021, 09:57
Forum: Configuration
Topic: acquiring simultaneously from multiple DAQs
Replies: 1
Views: 173

Re: acquiring simultaneously from multiple DAQs

Hi, this is not possible with BCI2000 standard components. Depending on the type of EMG unit, if it records EMG envelope at a low sampling rate rather than the full EMG signal at a high sampling rate, you could write a BCI2000 logger component that writes the EMG envelope data into the main BCI2000 ...
by mellinger
04 May 2021, 13:02
Forum: Known Issues
Topic: Pupil Diameter and BCI2000
Replies: 5
Views: 339

Re: Pupil Diameter and BCI2000

Would it help you if you could specify a state variable as an input to the SpatialFilter?
by mellinger
04 May 2021, 09:04
Forum: Known Issues
Topic: Pupil Diameter and BCI2000
Replies: 5
Views: 339

Re: Pupil Diameter and BCI2000

Hi,

which BCI2000 extension are you using for the TX300? EyetrackerLogger, EyetrackerLoggerTobii3, EyetrackerLoggerTobiiPro, or EyetracerLoggerTobiiX?

-Juergen
by mellinger
04 May 2021, 08:57
Forum: BCI Systems - User Applications
Topic: How to use VideoPlayer to play video on application window?
Replies: 1
Views: 208

Re: How to use VideoPlayer to play video on application window?

Hi,

your VideoPlayer object is destroyed when execution leaves the StartRun() function. You need to create it on the heap (with "new").

Hope this helps,
Juergen
by mellinger
12 Apr 2021, 12:32
Forum: Software Development
Topic: The error is BCI2000 link to neuroscan
Replies: 3
Views: 252

Re: The error is BCI2000 link to neuroscan

Unfortunately, we don't have a Neuroscan amplifier nor the Scan4.3 software available to test.
We can do remote debugging, if you agree, using Google Remote Desktop. Let us know your location so we can pick a time that is convenient for both of us.

Regards,
Juergen
by mellinger
10 Apr 2021, 08:12
Forum: Software Development
Topic: The error is BCI2000 link to neuroscan
Replies: 3
Views: 252

Re: The error is BCI2000 link to neuroscan

Hi,

what do you mean by "latest version"? A download from the BCI2000 website, or did you compile from source?

--Juergen
by mellinger
26 Mar 2021, 11:51
Forum: BCI Systems - General
Topic: BCI2000
Replies: 1
Views: 304

Re: BCI2000

Hi,

for BCI2000, you need access to the raw EEG. So it seems you should buy the academic licensing option.

Best regards,
Juergen
by mellinger
19 Feb 2021, 14:26
Forum: BCI Systems - User Applications
Topic: Using BCI2000 to combine Python and MATLAB
Replies: 1
Views: 307

Re: Using BCI2000 to combine Python and MATLAB

In principle, this is possible. BCI2000 comes with a MatlabSignalProcessing component that allows you to feed EEG data into a Matlab script, however be aware that the Matlab script needs to be able to process chunks of data in sequence, rather than an entire session as is typically the case. For fur...
by mellinger
25 Jan 2021, 13:20
Forum: Configuration
Topic: No mouse control in SignalGenerator
Replies: 3
Views: 615

Re: No mouse control in SignalGenerator

Alex Belsten just submitted a bug fix. The bug was actually present since r6105.

Thank you for the bug report.

Regards,
Juergen
by mellinger
19 Jan 2021, 13:06
Forum: Known Issues
Topic: BCI2000 can not see the g.USBamp
Replies: 3
Views: 681

Re: BCI2000 can not see the g.USBamp

It appears that either somehow you are mixing executables from different distributions, or that your distribution is broken.

Have you tried compiling from source?
by mellinger
15 Jan 2021, 11:27
Forum: Configuration
Topic: No mouse control in SignalGenerator
Replies: 3
Views: 615

Re: No mouse control in SignalGenerator

Hi Andrew, sorry for the late reply. Happy new year, as far as it still applies. There was no significant change to the source code of SignalGeneratorADC between r6125 and r6143. The only change was an update to the copyright in the header of the file. Did you accidentally specify a non-empty mixing...