beginners-question parallel port

[Paul Groot]

Hi Maartje,

It is not required to open a classic LPT port. EPrime directly writes
to the output registers of the IO-port. However, it is a good think to
initialize the state of the output pins at the start of your
experiment with a single line of inline script:

WritePort &H378, 0


(although you could also use 3 lines of code to configure the
onsetsignal method on the first object using code 0 to achieve the
same thing)

best,
Paul


2011/10/21 mrtj <maartjevroling at gmail.com>:
> I have a beginners-question regarding my E-prime programming.
> I want to send event-related triggers to BioPac and after doing some
> research I figured that an Inline with the following should do the
> trick:
>
> Stimulus.OnsetSignalEnabled = True
> Stimulus.OnsetSignalPort = &H378
> Stimulus.OnsetSignalData = 1
>
> Stimulus.OffsetSignalEnabled = True
> Stimulus.OffsetSignalPort = &H378
> Stimulus.OffsetSignalData = 0
>
> However, it seems to me that I should define/open/set-to-zero the Port
> at the beginning of my experiment first. Am I correct to assume, and
> if do... how can I do this.
>
> I hope you can help me out. Many thanks!
> Maartje
>
>
>
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