Lpt3 port address running errors

[neuro.utsc at gmail.com]

Thanks, Ryan and Ben for the reply, 

I actually tried changing it by the Lpt value first (see below) and when I 
initially went to change the port address I updated the refernce from 
"Writeport Lpt1%, x" to "Writeport Lpt3%, x" but this didn't seem to take 
either. Does the format remain unchanged or am I missing something here?

And are the x values (those specified after the Lpt port number) in a 
hexidecimal format? I'm wondering how the values below (i.e., &H2A, &H2C, 
etc.) translate into integer values when communicating with our acquisition 
software:

If fb2type=0 Then
Writeport LptPort3%, &H2A 
ElseIf fb2type=1 Then
Writeport LptPort3%, &H2C
ElseIf fb2type=2 Then
Writeport LptPort3%, &H2E
ElseIf fb2type=3 Then
Writeport LptPort3%, &H30
End If​

Thanks -

Nick









On Tuesday, April 22, 2014 4:32:02 PM UTC-4, Ryan W wrote:
>
> If anybody is running into this issue, E-Prime 2.0 sp1 allows you to 
> reference the parallel port by the LPT value, rather than having to 
> reference the hex address. The use of the hex address presented some 
> problems with dynamically assigned values in older versions, as well as hex 
> values that were greater than an integer (32768). I recommend upgrading the 
> sp1 and using task events for port communication whenever possible.
>
> Ryan Whitfield
>
> On Apr 22, 2014, at 3:57 PM, ben robinson <baltim... at gmail.com<javascript:>> 
> wrote:
>
> I wound up having to use an old computer in order to send signals via 
> parallel port, as new parallel ports use dynamically assigned port 
> addresses, and as far as I could determine there is no way to determine the 
> specific address that will be used at any given time. I realize how far 
> fetched that sounds, but that was the best information I could gather.
>
> ben
>
>
> On Tue, Apr 22, 2014 at 3:31 PM, <neuro... at gmail.com <javascript:>> wrote:
>
>> Hello,
>>
>> I apologize ahead of time - a lot of this technical information and 
>> jargon is new to me, which may be obvious in my question. I am using a dual 
>> port setup in order to send feedback-locked triggers to an EEG acquisition 
>> computer. The original task that we're using was programmed on a lab 
>> computer that had the common Lpt1 port address (&H378). We're now trying to 
>> run the task on a new computer that has an Lpt3 port address (listed as 
>> E010-E017). I've tried to run this using the different methods, using 
>> hexidecimal/decimal variations and combinations, but nothing seems to be 
>> working.
>>
>> Has anyone ever come across a similar situation? Any helpful tips or 
>> advice would be much appreciated.
>>
>> Cheers, 
>>
>> Nick
>>
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