[visionegg] Re: stimulus code outputs

http://pyserial.sourceforge.net/


On Wed, 23 Mar 2005 09:47:58 -0800, Darren Weber
<darrenleeweber@xxxxxxxxx> wrote:
> The visionegg provides display capabilities, but what about output of
> a stimulus code event to an external device.  For example, lets say we
> present an image every 2 sec and there are 5 different categories of
> image.  Each category is given a code, a number between 0-255.  Now,
> we want to send this code to an EEG | MEG | fMRI system that will
> record the timing of this event code during the acquisition of another
> data timeseries.  It is simple enough to save a stimulus/event log to
> a file, but it would be nice to interact with the serial/parallel port
> also.  Is there a command like:
> 
> eventCode = 128 # or eventID (maybe event.id)
> event.send.parallelport(eventCode)
> event.send.serialport(eventCode)
> 
> I don't have any experience with sending codes to the serial/parallel
> port.  Any tips or reading material would be really useful.
> 
> Best, Darren
>
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