uhd

    void lock_device(bool lock){

        if (lock){

            _lock_task = task::make(boost::bind(&usrp2_iface_impl::lock_task, this));

        }

        else{

            _lock_task.reset(); //shutdown the task

        }

    }

        //never assume lock with fpga image mismatch

        if ((this->peek32(U2_REG_COMPAT_NUM_RB) >> 16) != USRP2_FPGA_COMPAT_NUM) return false;

        //may not be the right tick rate, but this is ok for locking purposes

        const boost::uint32_t lock_timeout_time = boost::uint32_t(3*100e6);

    void lock_task(void){

        //re-lock in task

        //sleep for a bit

        boost::this_thread::sleep(boost::posix_time::milliseconds(1500));

    }

        return this->get_reg<boost::uint16_t, USRP2_REG_ACTION_FPGA_PEEK16>(addr);

    }

    template <class T, usrp2_reg_action_t action>

    T get_reg(wb_addr_type addr, T data = 0){

        //setup the out data

//

//

// This program is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

     */

    static sptr make(uhd::transport::udp_simple::sptr ctrl_transport);

    //! The list of possible revision types

    enum rev_type {

        USRP2_REV3 = 3,