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   1 /* -*- c++ -*- */
   2 /*
   3  * Copyright 2004 Free Software Foundation, Inc.
   4  *
   5  * This file is part of GNU Radio
   6  *
   7  * GNU Radio is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3, or (at your option)
  10  * any later version.
  11  *
  12  * GNU Radio is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Radio; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street,
  20  * Boston, MA 02110-1301, USA.
  21  */
  22
  23 #ifndef INCLUDED_USRP_SOURCE_C_H
  24 #define INCLUDED_USRP_SOURCE_C_H
  25
  26 #include <usrp_source_base.h>
  27 #include <stdexcept>
  28
  29 class usrp_standard_rx;
  30
  31
  32 class usrp_source_c;
  33 typedef boost::shared_ptr<usrp_source_c> usrp_source_c_sptr;
  34
  35
  36 // public shared_ptr constructor
  37
  38 usrp_source_c_sptr
  39 usrp_make_source_c (int which_board=0,
  40                      unsigned int decim_rate=16,
  41                      int nchan = 1,
  42                      int mux = -1,
  43                      int mode = 0,
  44                      int fusb_block_size = 0,
  45                      int fusb_nblocks = 0,
  46                      const std::string fpga_filename = "",
  47                      const std::string firmware_filename = ""
  48                      ) throw (std::runtime_error);
  49
  50 /*!
  51  * \brief Interface to Universal Software Radio Peripheral Rx path
  52  * \ingroup usrp
  53  * \ingroup source_blk
  54  *
  55  * output: 1 stream of complex<float>
  56  */
  57 class usrp_source_c : public usrp_source_base {
  58  private:
  59   friend usrp_source_c_sptr
  60   usrp_make_source_c (int which_board,
  61                        unsigned int decim_rate,
  62                        int nchan,
  63                        int mux,
  64                        int mode,
  65                        int fusb_block_size,
  66                        int fusb_nblocks,
  67                        const std::string fpga_filename,
  68                        const std::string firmware_filename
  69                        ) throw (std::runtime_error);
  70
  71  protected:
  72   usrp_source_c (int which_board,
  73                   unsigned int decim_rate,
  74                   int nchan,
  75                   int mux,
  76                   int mode,
  77                   int fusb_block_size,
  78                   int fusb_nblocks,
  79                   const std::string fpga_filename,
  80                   const std::string firmware_filename
  81                   ) throw (std::runtime_error);
  82
  83   virtual int ninput_bytes_reqd_for_noutput_items (int noutput_items);
  84
  85   virtual void copy_from_usrp_buffer (gr_vector_void_star &output_items,
  86                                       int output_index,
  87                                       int output_items_available,
  88                                       int &output_items_produced,
  89                                       const void *usrp_buffer,
  90                                       int usrp_buffer_length,
  91                                       int &bytes_read);
  92
  93  public:
  94   ~usrp_source_c ();
  95 };
  96
  97 #endif /* INCLUDED_USRP_SOURCE_C_H */