Lpt3 port address running errors

Wed Apr 23 17:37:21 UTC 2014

Nick,

Again - sticking with the use of some of the newer features in E-Prime 2.0
SP1, you can use the following script to send the same values, as long as
the ParallelPort Device is added to the experiment, changed to LPT3, and
the data port is set to "output" (all of this is in the ParallelPort Device
Properties)

If fb2type=0 Then
   ParallelPort.WriteByte 42
ElseIf fb2type=1 Then
   ParallelPort.WriteByte 44
ElseIf fb2type=2 Then
   ParallelPort.WriteByte 46
ElseIf fb2type=3 Then
   ParallelPort.WriteByte 48
End If

I hope this is helpful.

On Wed, Apr 23, 2014 at 9:15 AM, <neuro.utsc at gmail.com> wrote:

> 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> 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> 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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