The only documentation we have at the moment is the source code itself.
So for understanding the
GrovePi platform, here are the 2 most important source codes:
Regarding your issues in understanding the
libraries), please don't hesitate to ask us for clarification.
We can explain you where you find yourself in trouble.
Also, we appreciate a lot when someone comes with
enough information that's enough for us to understand the issue.
So, if you have some troubles somewhere, please tell us in detail so that we can come up with an answer