Unable to sending trigger via parallel port

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alireza
alireza 2024-9-6
评论： Fernanda 2025-6-18
Hello,
I am currently encountering an issue with sending a trigger to the parallel port using MATLAB.
I am using the following code:
ioObj = io64;
status = io64(ioObj);
address = hex2dec(‘E010’);
io64(ioObj, address, value);
However, I receive the following error message:
inpoutx64 driver is NOT open
As a result, the trigger is not being sent to the parallel port. I would greatly appreciate any guidance or advice you could provide on resolving this issue.
Thank you for your time and assistance.

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回答（1 个）

Walter Roberson
Walter Roberson 2024-9-6
移动：Walter Roberson 2024-9-6
io64 appears to be https://web.archive.org/web/20210903151747/http://apps.usd.edu/coglab/psyc770/IO64.html
According to https://psychtoolbox.discourse.group/t/how-to-install-use-the-io64-function/4992
"Important issue: copy the inpoutx64.dll to Windows\System32 folder and run the InstallDriver.exe with admin priviledges."
io64 was developed a number of years ago, and might not be supported under Windows 11.
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Fernanda
Fernanda 2025-6-18
Hello guys.
Which version of PTB this site (https://web.archive.org/web/20210903151747/http://apps.usd.edu/coglab/psyc770/IO64.html ) works?
I´m using PTB version 3-3.0.19.14 in Windows 10, Matlab 2022b and it doesn´t work. The PTB doesn´t even open.

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