[Discuss-gnuradio] control FPGA new pin in N210

Dear all,

    I am using N210, I wan to bring "AA17" pin of FPGA to up 3.3v, and how can use UHD to do that?

    Josh replied me that make  a new settings register in u2plus_core.v and use set_user_register() to control it.

    but I read the u2plus_core.v code, and try to add the setting_reg to control "AA17" pin, but how can I know the "addr" that multi_usrp.cpp can control it? could someone can give me an example? thanks a lot.

Jack.