From a792bb88f3c3caa347506503de973aafaf78e0af Mon Sep 17 00:00:00 2001 From: Tom Rondeau <trondeau@vt.edu> Date: Sat, 16 Mar 2013 19:30:59 -0400 Subject: blocks: moving copy, endian_swap, head, skiphead, vector_source/sink/insert to gr-blocks. --- gr-blocks/lib/copy_impl.cc | 82 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 gr-blocks/lib/copy_impl.cc (limited to 'gr-blocks/lib/copy_impl.cc') diff --git a/gr-blocks/lib/copy_impl.cc b/gr-blocks/lib/copy_impl.cc new file mode 100644 index 0000000000..f489b03c0c --- /dev/null +++ b/gr-blocks/lib/copy_impl.cc @@ -0,0 +1,82 @@ +/* -*- 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() + { + } + + 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 = std::min<int>(ninput_items[0], noutput_items); + int j = 0; + + if(d_enabled) { + memcpy(out, in, n*d_itemsize); + j = n; + } + + consume_each(n); + return j; + } + + } /* namespace blocks */ +} /* namespace gr */ -- cgit v1.2.3