From f232855f93d4bccf08b9836943b55c25c2ef0055 Mon Sep 17 00:00:00 2001 From: Tom Rondeau Date: Sun, 10 Jul 2011 20:29:27 -0400 Subject: digital: moving more constellation blocks into gr-digital. Builds, make check needs work. --- gr-digital/lib/digital_constellation_decoder_cb.cc | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 gr-digital/lib/digital_constellation_decoder_cb.cc (limited to 'gr-digital/lib/digital_constellation_decoder_cb.cc') diff --git a/gr-digital/lib/digital_constellation_decoder_cb.cc b/gr-digital/lib/digital_constellation_decoder_cb.cc new file mode 100644 index 000000000..8ac34f1d6 --- /dev/null +++ b/gr-digital/lib/digital_constellation_decoder_cb.cc @@ -0,0 +1,77 @@ +/* -*- c++ -*- */ +/* + * Copyright 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 +#include +#include +#include + +digital_constellation_decoder_cb_sptr +digital_make_constellation_decoder_cb (digital_constellation_sptr constellation) +{ + return digital_constellation_decoder_cb_sptr + (new digital_constellation_decoder_cb(constellation)); +} + +digital_constellation_decoder_cb:: +digital_constellation_decoder_cb (digital_constellation_sptr constellation) + : gr_block ("constellation_decoder_cb", + gr_make_io_signature (1, 1, sizeof (gr_complex)), + gr_make_io_signature (1, 1, sizeof (unsigned char))), + d_constellation(constellation), + d_dim(constellation->dimensionality()) +{ + set_relative_rate (1.0 / ((double) d_dim)); +} + +void +digital_constellation_decoder_cb::forecast (int noutput_items, + gr_vector_int &ninput_items_required) +{ + unsigned int input_required = noutput_items * d_dim; + + unsigned ninputs = ninput_items_required.size(); + for (unsigned int i = 0; i < ninputs; i++) + ninput_items_required[i] = input_required; +} + + +int +digital_constellation_decoder_cb::general_work (int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + gr_complex const *in = (const gr_complex *) input_items[0]; + unsigned char *out = (unsigned char *) output_items[0]; + + for(int i = 0; i < noutput_items; i++){ + out[i] = d_constellation->decision_maker(&(in[i*d_dim])); + } + + consume_each (noutput_items * d_dim); + return noutput_items; +} -- cgit From 0b3d5b1a3238d9f72bcdef6aa3131776fb572175 Mon Sep 17 00:00:00 2001 From: Tom Rondeau Date: Tue, 12 Jul 2011 23:02:47 -0400 Subject: fixing build for constellation code. Had to make some changes to the qa code to import the right stuff after being changed from sitting in gnuradio-core. --- gr-digital/lib/digital_constellation_decoder_cb.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gr-digital/lib/digital_constellation_decoder_cb.cc') diff --git a/gr-digital/lib/digital_constellation_decoder_cb.cc b/gr-digital/lib/digital_constellation_decoder_cb.cc index 8ac34f1d6..4638790f6 100644 --- a/gr-digital/lib/digital_constellation_decoder_cb.cc +++ b/gr-digital/lib/digital_constellation_decoder_cb.cc @@ -32,7 +32,7 @@ digital_constellation_decoder_cb_sptr digital_make_constellation_decoder_cb (digital_constellation_sptr constellation) { - return digital_constellation_decoder_cb_sptr + return gnuradio::get_initial_sptr (new digital_constellation_decoder_cb(constellation)); } -- cgit