I've tried to find a library / example for it, but I failed. I haven't registered on the Renesas website, so I couldn't explore all the resource links. If you have already done that, and you still can't find the what you are looking for, perhaps you could contact Renesas to ask for help. Maybe someone else reading this thread will be able to help.
Apparently, they have a section called "software downloads". And all the libs and examples are there. But you need to request the access, it might take a day or two to receive the approval for downloading