acq4 acquisition software for the new sensapex system provides a new challenge for running the XOP.

* the minimalist approach is we keep using Igor to set up the ODD and just provide digital triggers via acq4

* gj had some conversations with Luke Campagnola acq4luke.

my conclusion was that we should replace everything in the Igor XOP with python code running the trigger loop in a python subprocess that calls the AIOUSB DLL via ctypes. AccesIO provide a sample python ctypes wrapper https://accesio.com/files/AIOUSB.py to talk to their compiled Windows AIOUSB.dll.

* writing to accesio June 2021

* As a reminder, the embedded device is a USB DIO 96

* There is some further driver info and source code here https://github.com/accesio/AIOUSB but this is to provide a unix-compatible version of their windows library so I don't think it's relevant.


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