//
// Copyright 2010 Ettus Research LLC
//
// 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
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef INCLUDED_USRP2_IFACE_HPP
#define INCLUDED_USRP2_IFACE_HPP

#include <uhd/transport/udp_simple.hpp>
#include <uhd/usrp/mboard_iface.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/utility.hpp>
#include <boost/cstdint.hpp>
#include <boost/function.hpp>
#include <utility>
#include <string>
#include "fw_common.h"
#include "usrp2_regs.hpp"


//TODO: kill this crap when you have the top level GPS include file
typedef boost::function<void(std::string)> gps_send_fn_t;
typedef boost::function<std::string(void)> gps_recv_fn_t;

/*!
 * The usrp2 interface class:
 * Provides a set of functions to implementation layer.
 * Including spi, peek, poke, control...
 */
class usrp2_iface : public uhd::usrp::mboard_iface, boost::noncopyable{
public:
    typedef boost::shared_ptr<usrp2_iface> sptr;
    /*!
     * Make a new usrp2 interface with the control transport.
     * \param ctrl_transport the udp transport object
     * \return a new usrp2 interface object
     */
    static sptr make(uhd::transport::udp_simple::sptr ctrl_transport);

    /*!
     * Perform a control transaction.
     * \param data a control data struct
     * \return the result control data
     */
    virtual usrp2_ctrl_data_t ctrl_send_and_recv(const usrp2_ctrl_data_t &data) = 0;

    virtual gps_recv_fn_t get_gps_read_fn(void) = 0;
    virtual gps_send_fn_t get_gps_write_fn(void) = 0;

    //! The list of possible revision types
    enum rev_type {
        USRP2_REV3 = 3,
        USRP2_REV4 = 4,
        USRP_N200 = 200,
        USRP_N210 = 210,
        USRP_NXXX = 0
    };

    //! Get the revision type for this device
    virtual rev_type get_rev(void) = 0;

    //! Get the canonical name for this device
    virtual const std::string get_cname(void) = 0;

    /*!
     * Register map selected from USRP2/USRP2+.
     */
    usrp2_regs_t regs;
};

#endif /* INCLUDED_USRP2_IFACE_HPP */