Some parellel port keys work, some don't

[Paul Groot]

PS. Perhaps the attached TriggerMonitor script is of any use. You can
specify the input address in the startupinfo-file. This tool also has an
option to reroute the input to another output port (although you probably
won't use that feature.)

Paul


On 13 June 2013 23:06, Paul Groot <pfc.groot at gmail.com> wrote:

> Well, it's rather essential to know which pins are being used because
> different pins are mapped to different registers (i.e. different
> addresses). There are three 8-bit registers: data (base address), status
> (base address+1) and control (base address+2). The 25 pins are input,
> output, or bidirectional. The directionality of the data pins depends on
> the selected mode. For internal ports you can specify this mode using the
> BIOS setup, but I'm not sure how you this can be done with ports that are
> not integrated on the system board. The 8 data lines (which are mapped to
> the base register) are by default used for output only, so they won't
> accept any input unless you explicitly instruct the hardware to change its
> mode. The nice thing about the new ParallelPort object is that you can use
> the GUI to select input or output mode, without any further programming.
> There are also other advantages:
> http://www.pstnet.com/support/kb.asp?TopicID=1247. If your button box is
> not wired to the data lines, then they are probably connected to the lines
> that are mapped to the status register (i.e. base address+1). I don't think
> you can use the ParallelPort device in this case, so you could simply fall
> back to the Port device.
>
>
> General info about the parallel port pinning and registers:
> http://en.wikipedia.org/wiki/Parallel_port
> Info about using input lines with the status register:
> http://pfcgroot.nl/e-prime/85-tips-and-tricks/71-button-box-on-printer-port.html
>
> best,
> paul
>
>
> On 13 June 2013 18:44, Tobias <tobias.fw at gmail.com> wrote:
>
>> Hey, thanks.
>>
>> I have E-Studio 2 Professional. I had a look at the control panel for the
>> addresses of the parallel port and they are D050-D057 and D040-D047.
>>
>> In E-Prime I have to specify the port and tried D050 first - which didn't
>> work. Then I used D051 and it worked - but only for this one device. Not
>> for another one.
>> I am not sure which pins/bits the buttons are using each, but it may be
>> that the one device uses one different from the other device. I would like
>> to tell E-Prime to use the entire port.
>>
>> I don't know how to sepcify the port mode. I don't know the difference
>> between ParallelPort device and plain Port device.
>> All I know is both devices I have here have 25 pins and 8 of them should
>> be used to transfer the data, right?
>>
>> Best,
>> Tobias
>>
>> Am Donnerstag, 13. Juni 2013 12:22:29 UTC+2 schrieb Tobias:
>>
>>> Hey there,
>>>
>>> I am using parallel port for response collection. My port ist &HD051 and
>>> I set a test slide to be terminated by ANY response made with the parallel
>>> port keys. That works fine with one device, but with another device id does
>>> not work at all.
>>> Of course you may think that maybe the other one is broken. But a
>>> collegue of mine who is using "Presentation" software can use both just
>>> fine.
>>>
>>> Any hint?
>>> Best,
>>> Tobias
>>>
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>
>

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