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 [[https://accesio.com/product/usb-dio-96/?attribute_pa_digital-i-o=96-i-o-8-8-4-4-x4|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.