Issue with reading value from external devices

[mellinger]

The general procedure is outlined here:
https://www.bci2000.org/mediawiki/index ... ng_BCI2000

in addition, you will need to remove the comment sign at the beginning of line 62 of this file:
bci2000/build/cmake/frameworks/AppModuleLib/AppFiles.cmake

Let me know if you need further assistance.