[visionegg] Re: EEG triggers
- From: Dav Clark <davclark@xxxxxxxxxxxx>
- To: visionegg@xxxxxxxxxxxxx
- Date: Thu, 27 Oct 2011 09:46:41 -0700
That lib depends on another parallel port lib being installed. I'm unaware of a
working one for mac. See the code snippet I've copied from DaqLPT.py below...
You might consider ditching the parallel port and using a lab-jack:
http://labjack.com/
They have great python drivers and the hardware is very low-latency. You can
get a simple parallel port adapter with screw terminals, or you can solder your
own connector.
Note also - LPT support on recent windows installs is painful and (in my
experience) simply doesn't work. So, I'd say your best bet would be a linux box
if you're committed to a true LPT port.
Dav
This is the import code for a parallel driver, note one URL points you to
geocities! Is it spam or is it bad web design? You be the judge!
if sys.platform == 'win32':
try:
# Dincer Aydin's module http://www.geocities.com/dinceraydin
import winioport as raw_lpt_module
except ImportError:
# Andrew Straw's module http://www.its.caltech.edu/~astraw/coding.html
import dlportio as raw_lpt_module
elif sys.platform.startswith('linux'):
import VisionEgg._raw_lpt_linux as raw_lpt_module
elif sys.platform.startswith('irix'):
### IRIX implementation not done, but possible
raise NotImplementedError("VisionEgg.DaqLPT not implemented on IRIX")
## import VisionEgg._raw_plp_irix
## raw_lpt_module = VisionEgg._raw_plp_irix
else:
raise RuntimeError("VisionEgg.DaqLPT not supported on this platform")
On Oct 27, 2011, at 7:55 AM, tl a wrote:
> Dear Andrew
>
>
>
> Im was wondering how I can use VisionEgg to send triggers to 'Neuroscan' (EEG
> machine - though parallel port). Going by your suggestion in previous posts
> (from 2003!) I tried importing raw_lpt_module from VisionEgg.DaqLPT but i get
> a 'module doesn't exist' error. Has this been changed/updated in Vision Egg
> 1.2.1? I have installed all the dependencies listed on the vision egg website
> - I'm using python version 2.6.7 on a Mac OS X 10.7.2.
>
> looking forward to your response.
> Thanks
> Tara
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