Use ardour with a midi controller

Hi,

I want to use ardour to mix a sound I’ve created with another software. I’d like to use the transport button and the slider of my midi controller a novation remote 25 SL. info about this controller

I tried to use the setup of this controller to remote control ardour but for the moment I can’t make it work.
Anyone could help ?
Thks

PSD.

http://ardour.org/files/manual/ch-control-surfaces.html