diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-17 11:43:10 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-17 11:43:10 -0400 |
| commit | ee2b700f72503d6e7f62adbfb7dff9997b9cb003 (patch) | |
| tree | 2c7e91d03fb5c605c6deebac9077c1bc41bce13d /gr-blocks/lib/copy_impl.cc | |
| parent | f15400470ce5cb68f5339ead7af726b8bbafd364 (diff) | |
| parent | 65d88f0b28e233c82bc4f0c07072085a3d18c163 (diff) | |
Merge branch 'master' into next
Conflicts:
gr-blocks/swig/blocks_swig.i
Diffstat (limited to 'gr-blocks/lib/copy_impl.cc')
| -rw-r--r-- | gr-blocks/lib/copy_impl.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gr-blocks/lib/copy_impl.cc b/gr-blocks/lib/copy_impl.cc new file mode 100644 index 0000000000..929f22b7d3 --- /dev/null +++ b/gr-blocks/lib/copy_impl.cc @@ -0,0 +1,91 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2009,2013 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 "copy_impl.h" +#include <gr_io_signature.h> +#include <string.h> + +namespace gr { + namespace blocks { + + copy::sptr + copy::make(size_t itemsize) + { + return gnuradio::get_initial_sptr + (new copy_impl(itemsize)); + } + + copy_impl::copy_impl(size_t itemsize) + : gr_block("copy", + gr_make_io_signature(1, -1, itemsize), + gr_make_io_signature(1, -1, itemsize)), + d_itemsize(itemsize), + d_enabled(true) + { + } + + copy_impl::~copy_impl() + { + } + + void + copy_impl::forecast(int noutput_items, gr_vector_int &ninput_items_required) + { + unsigned ninputs = ninput_items_required.size(); + for (unsigned i = 0; i < ninputs; i++) + ninput_items_required[i] = noutput_items; + } + + bool + copy_impl::check_topology(int ninputs, int noutputs) + { + return ninputs == noutputs; + } + + int + copy_impl::general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const uint8_t **in = (const uint8_t**)&input_items[0]; + uint8_t **out = (uint8_t**)&output_items[0]; + + int n = 0; + if(d_enabled) { + int ninputs = input_items.size(); + for(int i = 0; i < ninputs; i++) { + memcpy(out[i], in[i], noutput_items*d_itemsize); + } + n = noutput_items; + } + + consume_each(noutput_items); + return n; + } + + } /* namespace blocks */ +} /* namespace gr */ |