diff options
Diffstat (limited to 'gnuradio-core/src/lib')
| -rw-r--r-- | gnuradio-core/src/lib/general/Makefile.am | 3 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/general.i | 2 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_repeat.cc | 68 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_repeat.h | 56 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_repeat.i | 11 |
5 files changed, 140 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/Makefile.am b/gnuradio-core/src/lib/general/Makefile.am index 8a16692b0..ef5354cfe 100644 --- a/gnuradio-core/src/lib/general/Makefile.am +++ b/gnuradio-core/src/lib/general/Makefile.am @@ -127,6 +127,7 @@ libgeneral_la_SOURCES = \ gr_random.cc \ gr_regenerate_bb.cc \ gr_remez.cc \ + gr_repeat.cc \ gr_reverse.cc \ gr_rms_cf.cc \ gr_rms_ff.cc \ @@ -272,6 +273,7 @@ grinclude_HEADERS = \ gr_random.h \ gr_regenerate_bb.h \ gr_remez.h \ + gr_repeat.h \ gr_reverse.h \ gr_rms_cf.h \ gr_rms_ff.h \ @@ -419,6 +421,7 @@ swiginclude_HEADERS = \ gr_remez.i \ gr_rms_cf.i \ gr_rms_ff.i \ + gr_repeat.i \ gr_short_to_float.i \ gr_simple_correlator.i \ gr_simple_framer.i \ diff --git a/gnuradio-core/src/lib/general/general.i b/gnuradio-core/src/lib/general/general.i index 0eab24f1a..64aa2d889 100644 --- a/gnuradio-core/src/lib/general/general.i +++ b/gnuradio-core/src/lib/general/general.i @@ -129,6 +129,7 @@ #include <gr_glfsr_source_b.h> #include <gr_glfsr_source_f.h> #include <gr_peak_detector2_fb.h> +#include <gr_repeat.h> %} %include "gr_nop.i" @@ -238,3 +239,4 @@ %include "gr_glfsr_source_b.i" %include "gr_glfsr_source_f.i" %include "gr_peak_detector2_fb.i" +%include "gr_repeat.i" diff --git a/gnuradio-core/src/lib/general/gr_repeat.cc b/gnuradio-core/src/lib/general/gr_repeat.cc new file mode 100644 index 000000000..5d6f93b30 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_repeat.cc @@ -0,0 +1,68 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 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_repeat.h> +#include <gr_io_signature.h> + +gr_repeat_sptr +gr_make_repeat(size_t itemsize, int interp) +{ + return gr_repeat_sptr(new gr_repeat(itemsize, interp)); +} + +gr_repeat::gr_repeat(size_t itemsize, int interp) + : gr_sync_interpolator("extend", + gr_make_io_signature(1, 1, itemsize), + gr_make_io_signature(1, 1, itemsize), + interp), + d_interp(interp), + d_itemsize(itemsize) +{ +} + +gr_repeat::~gr_repeat() +{ +} + +int +gr_repeat::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + const char *in = (const char *) input_items[0]; + char *out = (char *)output_items[0]; + + for (int i = 0; i < noutput_items/d_interp; i++) { + for (int j = 0; j < d_interp; j++) { + memcpy(out, in, d_itemsize); + out += d_itemsize; + } + + i += d_itemsize; + } + + return noutput_items; +} diff --git a/gnuradio-core/src/lib/general/gr_repeat.h b/gnuradio-core/src/lib/general/gr_repeat.h new file mode 100644 index 000000000..62b397c54 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_repeat.h @@ -0,0 +1,56 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008 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_REPEAT_H +#define INCLUDED_GR_REPEAT_H + +#include <gr_sync_interpolator.h> + +class gr_repeat; + +typedef boost::shared_ptr<gr_repeat> gr_repeat_sptr; + +gr_repeat_sptr gr_make_repeat(size_t itemsize, int decim); + +/*! + * \brief Repeat a sample 'interp' times in output stream + * \ingroup converter + */ + +class gr_repeat : public gr_sync_interpolator +{ +private: + friend gr_repeat_sptr gr_make_repeat(size_t itemsize, int interp); + + gr_repeat(size_t itemsize, int interp); + + int d_interp; + int d_itemsize; + + public: + ~gr_repeat(); + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); +}; + +#endif /* INCLUDED_GR_REPEAT_H */ diff --git a/gnuradio-core/src/lib/general/gr_repeat.i b/gnuradio-core/src/lib/general/gr_repeat.i new file mode 100644 index 000000000..c657a4906 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_repeat.i @@ -0,0 +1,11 @@ +/* -*- c++ -*- */ + +GR_SWIG_BLOCK_MAGIC(gr,repeat); + +gr_repeat_sptr gr_make_repeat(size_t itemsize, int interp); + +class gr_repeat : public gr_sync_interpolator +{ +private: + gr_repeat(); +}; |