uhd

//

// 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/dboard_interface.hpp> //spi config

#include <boost/shared_ptr.hpp>

#include <boost/utility.hpp>

#include <boost/cstdint.hpp>

#include "fw_common.h"

/*!

 * The usrp2 interface class:

 * Provides a set of functions to implementation layer.

 * Including spi, peek, poke, control...

 */

class usrp2_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;

    /*!

     * Write a register (32 bits)

     * \param addr the address

     * \param data the 32bit data

     */

    virtual void poke32(boost::uint32_t addr, boost::uint32_t data) = 0;

    /*!

     * Read a register (32 bits)

     * \param addr the address

     * \return the 32bit data

     */

    virtual boost::uint32_t peek32(boost::uint32_t addr) = 0;

    /*!

     * Write a register (16 bits)

     * \param addr the address

     * \param data the 16bit data

     */

    virtual void poke16(boost::uint32_t addr, boost::uint16_t data) = 0;

    /*!

     * Read a register (16 bits)

     * \param addr the address

     * \return the 16bit data

     */

    virtual boost::uint16_t peek16(boost::uint32_t addr) = 0;

    /*!

     * Perform an spi transaction.

     * \param which_slave the slave device number

     * \param config spi config args

     * \param data the bits to write

     * \param num_bits how many bits in data

     * \param readback true to readback a value

     * \return spi data if readback set

     */

    virtual boost::uint32_t transact_spi(

        int which_slave,

        const uhd::usrp::spi_config_t &config,

        boost::uint32_t data,

        size_t num_bits,

        bool readback

    ) = 0;

    /*!

     * Get the master clock frequency.

     * \return the frequency in Hz

     */

    virtual double get_master_clock_freq(void) = 0;

};

#endif /* INCLUDED_USRP2_IFACE_HPP */