diff options
Diffstat (limited to 'gr-digital/lib')
| -rw-r--r-- | gr-digital/lib/Makefile.am | 2 | ||||
| -rw-r--r-- | gr-digital/lib/digital_binary_slicer_fb.cc | 59 | ||||
| -rw-r--r-- | gr-digital/lib/digital_binary_slicer_fb.h | 51 |
3 files changed, 112 insertions, 0 deletions
diff --git a/gr-digital/lib/Makefile.am b/gr-digital/lib/Makefile.am index 4f67614d8..493daab8b 100644 --- a/gr-digital/lib/Makefile.am +++ b/gr-digital/lib/Makefile.am @@ -25,6 +25,7 @@ AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(PYTHON_CPPFLAGS) $(WITH_INCLUDES) # These headers get installed in ${prefix}/include/gnuradio grinclude_HEADERS = \ + digital_binary_slicer_fb.h \ digital_constellation.h \ digital_constellation_receiver_cb.h \ digital_constellation_decoder_cb.h \ @@ -37,6 +38,7 @@ grinclude_HEADERS = \ lib_LTLIBRARIES = libgnuradio-digital.la libgnuradio_digital_la_SOURCES = \ + digital_binary_slicer_fb.cc \ digital_constellation.cc \ digital_constellation_receiver_cb.cc \ digital_constellation_decoder_cb.cc \ diff --git a/gr-digital/lib/digital_binary_slicer_fb.cc b/gr-digital/lib/digital_binary_slicer_fb.cc new file mode 100644 index 000000000..fcdb4291f --- /dev/null +++ b/gr-digital/lib/digital_binary_slicer_fb.cc @@ -0,0 +1,59 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2010,2011 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 <digital_binary_slicer_fb.h> +#include <gr_io_signature.h> +#include <gr_math.h> +#include <stdexcept> + +digital_binary_slicer_fb_sptr +digital_make_binary_slicer_fb () +{ + return gnuradio::get_initial_sptr(new digital_binary_slicer_fb ()); +} + +digital_binary_slicer_fb::digital_binary_slicer_fb () + : gr_sync_block ("binary_slicer_fb", + gr_make_io_signature (1, 1, sizeof (float)), + gr_make_io_signature (1, 1, sizeof (unsigned char))) +{ +} + +int +digital_binary_slicer_fb::work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + const float *in = (const float *) input_items[0]; + unsigned char *out = (unsigned char *) output_items[0]; + + + for (int i = 0; i < noutput_items; i++){ + out[i] = gr_binary_slicer(in[i]); + } + + return noutput_items; +} diff --git a/gr-digital/lib/digital_binary_slicer_fb.h b/gr-digital/lib/digital_binary_slicer_fb.h new file mode 100644 index 000000000..2d10484db --- /dev/null +++ b/gr-digital/lib/digital_binary_slicer_fb.h @@ -0,0 +1,51 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2011 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_DIGITAL_BINARY_SLICER_FB_H +#define INCLUDED_DIGITAL_BINARY_SLICER_FB_H + +#include <gr_sync_block.h> + +class digital_binary_slicer_fb; +typedef boost::shared_ptr<digital_binary_slicer_fb> digital_binary_slicer_fb_sptr; + +digital_binary_slicer_fb_sptr digital_make_binary_slicer_fb (); + +/*! + * \brief slice float binary symbol outputting 1 bit output + * \ingroup converter_blk + * + * x < 0 --> 0 + * x >= 0 --> 1 + */ +class digital_binary_slicer_fb : public gr_sync_block +{ + friend digital_binary_slicer_fb_sptr digital_make_binary_slicer_fb (); + digital_binary_slicer_fb (); + + public: + int work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); +}; + +#endif |