Pause sync sequence between trials #64
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the photodiode is now consistently low pre 1st trial, but is still not consistent at trial onset on the first trial. For example here's how it looks on an experiment I just recorded (yellow = PD, orange = BV sync, black = an additional PD signal that should be white for 500ms then black for 500ms): I think we want it to always do a low to high transition (that lasts for the full 250ms) - this is what happens on all subsequent trials that look like this: |
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To increase robustness in logging of trial onset times where trial assets are loaded dynamically we introduce a pause in the sync sequence between trial ITI periods. This is added on top of the pseudo-random sequence in such a way that there is always a pulse at the beginning of a trial, and an offset to zero at the end of trials.
Fixes #58
Fixes #62