Earlier you had asked where the demo code came from. It came from your site, at this url:
seeedstudio.com/wiki/2.8%27% … hield_V1.0
from that url there was another at the bottom of the wiki:
seeedstudio.com/wiki/File:TF … no_1.0.zip
that url took me to another page and yet another link:
seeedstudio.com/wiki/images/ … no_1.0.zip
the last link had the word “current” next to them so the assumption is that that was the current library from which to do my DIY open source development from.