diff options
Diffstat (limited to 'gnuradio-core/src/lib/general')
| -rw-r--r-- | gnuradio-core/src/lib/general/Makefile.am | 3 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/general.i | 5 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_copy.cc | 71 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_copy.h | 62 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_copy.i | 36 |
5 files changed, 175 insertions, 2 deletions
diff --git a/gnuradio-core/src/lib/general/Makefile.am b/gnuradio-core/src/lib/general/Makefile.am index 9b070b865..cf6ff1e65 100644 --- a/gnuradio-core/src/lib/general/Makefile.am +++ b/gnuradio-core/src/lib/general/Makefile.am @@ -51,6 +51,7 @@ libgeneral_la_SOURCES = \ gr_complex_to_interleaved_short.cc \ gr_complex_to_xxx.cc \ gr_conjugate_cc.cc \ + gr_copy.cc \ gr_constellation_decoder_cb.cc \ gr_correlate_access_code_bb.cc \ gr_costas_loop_cc.cc \ @@ -204,6 +205,7 @@ grinclude_HEADERS = \ gr_complex_to_xxx.h \ gr_conjugate_cc.h \ gr_constellation_decoder_cb.h \ + gr_copy.h \ gr_correlate_access_code_bb.h \ gr_costas_loop_cc.h \ gr_count_bits.h \ @@ -373,6 +375,7 @@ swiginclude_HEADERS = \ gr_complex_to_xxx.i \ gr_conjugate_cc.i \ gr_constellation_decoder_cb.i \ + gr_copy.i \ gr_correlate_access_code_bb.i \ gr_costas_loop_cc.i \ gr_cpfsk_bc.i \ diff --git a/gnuradio-core/src/lib/general/general.i b/gnuradio-core/src/lib/general/general.i index 0684e63a5..e1161c8eb 100644 --- a/gnuradio-core/src/lib/general/general.i +++ b/gnuradio-core/src/lib/general/general.i @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2004,2005,2006,2007,2008 Free Software Foundation, Inc. + * Copyright 2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -139,7 +139,7 @@ #include <gr_stretch_ff.h> #include <gr_wavelet_ff.h> #include <gr_wvps_ff.h> - +#include <gr_copy.h> %} %include "gr_nop.i" @@ -259,3 +259,4 @@ %include "gr_stretch_ff.i" %include "gr_wavelet_ff.i" %include "gr_wvps_ff.i" +%include "gr_copy.i" diff --git a/gnuradio-core/src/lib/general/gr_copy.cc b/gnuradio-core/src/lib/general/gr_copy.cc new file mode 100644 index 000000000..c6564c231 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_copy.cc @@ -0,0 +1,71 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2009 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 <gr_copy.h> +#include <gr_io_signature.h> +#include <string.h> + +gr_copy_sptr +gr_make_copy(size_t itemsize) +{ + return gnuradio::get_initial_sptr(new gr_copy(itemsize)); +} + +gr_copy::gr_copy(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) +{ +} + +bool +gr_copy::check_topology(int ninputs, int noutputs) +{ + return ninputs == noutputs; +} + +int +gr_copy::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; +} diff --git a/gnuradio-core/src/lib/general/gr_copy.h b/gnuradio-core/src/lib/general/gr_copy.h new file mode 100644 index 000000000..d99aef8b7 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_copy.h @@ -0,0 +1,62 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2009 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_GR_COPY_H +#define INCLUDED_GR_COPY_H + +#include <gr_block.h> + +class gr_copy; +typedef boost::shared_ptr<gr_copy> gr_copy_sptr; + +gr_copy_sptr gr_make_copy(size_t itemsize); + +/*! + * \brief output[i] = input[i] + * \ingroup misc_blk + * + * When enabled (default), this block copies its input to its output. + * When disabled, this block drops its input on the floor. + * + */ +class gr_copy : public gr_block +{ + size_t d_itemsize; + bool d_enabled; + + friend gr_copy_sptr gr_make_copy(size_t itemsize); + gr_copy(size_t itemsize); + + public: + + bool check_topology(int ninputs, int noutputs); + + void set_enabled(bool enable) { d_enabled = enable; } + bool enabled() const { return d_enabled;} + + int general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); +}; + +#endif diff --git a/gnuradio-core/src/lib/general/gr_copy.i b/gnuradio-core/src/lib/general/gr_copy.i new file mode 100644 index 000000000..e260d8e84 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_copy.i @@ -0,0 +1,36 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2009 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. + */ + +GR_SWIG_BLOCK_MAGIC(gr,copy) + +gr_copy_sptr gr_make_copy(size_t itemsize); + +class gr_copy : public gr_block +{ + private: + gr_copy(size_t itemsize); + +public: + + void set_enabled(bool enabled); + bool enabled(); +}; |