diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2011-10-19 16:40:14 -0700 |
| commit | eb95f431badf197b249131a3119a92bd5317621b (patch) | |
| tree | 645854a7e1e6cf57fcae56f196a5d828b913555e /gr-usrp/src/usrp_source_c.cc | |
| parent | e30b824e9165bff69f09121631c3d5a706cbbd39 (diff) | |
Removed usrp(2) directories.
Diffstat (limited to 'gr-usrp/src/usrp_source_c.cc')
| -rw-r--r-- | gr-usrp/src/usrp_source_c.cc | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/gr-usrp/src/usrp_source_c.cc b/gr-usrp/src/usrp_source_c.cc deleted file mode 100644 index 9055f3ee76..0000000000 --- a/gr-usrp/src/usrp_source_c.cc +++ /dev/null @@ -1,131 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004,2006,2009,2010 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <usrp_source_c.h> -#include <gr_io_signature.h> -#include <usrp/usrp_standard.h> -#include <usrp/usrp_bytesex.h> - -static const int NBASIC_SAMPLES_PER_ITEM = 2; // I & Q - -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) -{ - return gnuradio::get_initial_sptr(new usrp_source_c (which_board, - decim_rate, - nchan, - mux, - mode, - fusb_block_size, - fusb_nblocks, - fpga_filename, - firmware_filename - )); -} - - -usrp_source_c::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) - : usrp_source_base ("usrp_source_c", - gr_make_io_signature (1, 1, sizeof (gr_complex)), - which_board, decim_rate, nchan, mux, mode, - fusb_block_size, fusb_nblocks, - fpga_filename, firmware_filename) -{ -} - -usrp_source_c::~usrp_source_c () -{ - // NOP -} - -int -usrp_source_c::ninput_bytes_reqd_for_noutput_items (int noutput_items) -{ - return noutput_items * NBASIC_SAMPLES_PER_ITEM * sizeof_basic_sample(); -} - -/* - * Convert interleaved 8 or 16-bit I & Q from usrp buffer into a single - * complex output stream. - */ -void -usrp_source_c::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) -{ - gr_complex *out = &((gr_complex *) output_items[0])[output_index]; - unsigned sbs = sizeof_basic_sample(); - unsigned nusrp_bytes_per_item = NBASIC_SAMPLES_PER_ITEM * sbs; - - int nitems = std::min (output_items_available, - (int)(usrp_buffer_length / nusrp_bytes_per_item)); - - signed char *s8 = (signed char *) usrp_buffer; - short *s16 = (short *) usrp_buffer; - - switch (sbs){ - case 1: - for (int i = 0; i < nitems; i++){ - out[i] = gr_complex ((float)(s8[2*i+0] << 8), (float)(s8[2*i+1] << 8)); - } - break; - - case 2: - for (int i = 0; i < nitems; i++){ - out[i] = gr_complex ((float) usrp_to_host_short(s16[2*i+0]), - (float) usrp_to_host_short(s16[2*i+1])); - } - break; - - default: - assert(0); - } - - output_items_produced = nitems; - bytes_read = nitems * nusrp_bytes_per_item; -} |