/* -*- c++ -*- */

/*

 * Copyright 2004 Free Software Foundation, Inc.

 * 

 * This file is part of GNU Radio

 * 

 * GNU Radio 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, or (at your option)

 * any later version.

 * 

 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street,

 * Boston, MA 02110-1301, USA.

 */

#ifndef INCLUDED_USRP_SOURCE_C_H

#define INCLUDED_USRP_SOURCE_C_H

#include <usrp_source_base.h>

#include <stdexcept>

class usrp_standard_rx;

class usrp_source_c;

typedef boost::shared_ptr<usrp_source_c> usrp_source_c_sptr;

// public shared_ptr constructor

usrp_source_c_sptr

usrp_make_source_c (int which_board=0,

                     unsigned int decim_rate=16,

                     int nchan = 1,

                     int mux = -1,

                     int mode = 0,

                     int fusb_block_size = 0,

                     int fusb_nblocks = 0,

                     const std::string fpga_filename = "",

                     const std::string firmware_filename = ""

                     ) throw (std::runtime_error);

/*!

 * \brief Interface to Universal Software Radio Peripheral Rx path

 * \ingroup usrp

 * \ingroup source_blk

 *

 * output: 1 stream of complex<float>

 */

class usrp_source_c : public usrp_source_base {

 private:

  friend usrp_source_c_sptr

  usrp_make_source_c (int which_board,

                       unsigned int decim_rate,

                       int nchan,

                       int mux,

                       int mode,

                       int fusb_block_size,

                       int fusb_nblocks,

                       const std::string fpga_filename,

                       const std::string firmware_filename

                       ) throw (std::runtime_error);

 protected:

  usrp_source_c (int which_board,

                  unsigned int decim_rate,

                  int nchan,

                  int mux,

                  int mode,

                  int fusb_block_size,

                  int fusb_nblocks,

                  const std::string fpga_filename,

                  const std::string firmware_filename

                  ) throw (std::runtime_error);

  virtual int ninput_bytes_reqd_for_noutput_items (int noutput_items);

  virtual void copy_from_usrp_buffer (gr_vector_void_star &output_items,

                                      int output_index,

                                      int output_items_available,

                                      int &output_items_produced,

                                      const void *usrp_buffer,

                                      int usrp_buffer_length,

                                      int &bytes_read);

 public:

  ~usrp_source_c ();

};

#endif /* INCLUDED_USRP_SOURCE_C_H */