TMS320F28P659DK-Q1: f_printf linker problem

Part Number: TMS320F28P659DK-Q1
Other Parts Discussed in Thread: C2000WARE

Tool/software:

Hi, 

I am trying to use the f_printf function of the FatFs library but I always get this error. I am able to open the file and to write with f_write howerver I would like to use f_printf to write in the file.