Parallel Port Component Not working

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OS: Win 11
PsychoPy version: 2022.1.4
Standard Standalone
**What are you trying to achieve?: send TTL via a PCIe Parallel port card

Using the parallel port component I was originally unable to change the port address.
I ran some code to reset the preferences in Psychpy after which I was able to add new address to the list of port addresses. Preferences do not stick - #6 by TParsons

I also placed the inpout32.dll and inpout64.dll in the same folder with my experiment file, but when I run the experiment I am not receiving any TTL signals in my eeg recording.

I have tested the port and eeg end of things using a different software to send the ttl signals and this worked.

Are there any other additional steps needed or a specific type of parallel port protocol needed for the Psychopy Parellel port component to function properly?

This is the Parellel port card I am using: 1-Port Parallel PCIe Card/Printer LPT - Parallel Cards & Adapters | Canada
which supports the SPP/ECP protocols but does not support the EPP protocol.

Thank you.

Do you get any errors, or does it just appear to execute but not do anything?


No errors, everything runs fine with the experiment, but I do not receive any triggers.