diff options
Diffstat (limited to 'gr-noaa/lib/noaa_hrpt_bit_sync.cc')
-rw-r--r-- | gr-noaa/lib/noaa_hrpt_bit_sync.cc | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/gr-noaa/lib/noaa_hrpt_bit_sync.cc b/gr-noaa/lib/noaa_hrpt_bit_sync.cc deleted file mode 100644 index 53e47d91e..000000000 --- a/gr-noaa/lib/noaa_hrpt_bit_sync.cc +++ /dev/null @@ -1,72 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 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 <noaa_hrpt_bit_sync.h> -#include <gr_io_signature.h> -#include <iostream> - -noaa_hrpt_bit_sync_sptr -noaa_make_hrpt_bit_sync() -{ - return gnuradio::get_initial_sptr(new noaa_hrpt_bit_sync()); -} - -noaa_hrpt_bit_sync::noaa_hrpt_bit_sync() - : gr_block("noaa_hrpt_bit_sync", - gr_make_io_signature(1, 1, sizeof(char)), - gr_make_io_signature(1, 1, sizeof(char))), - d_mid_bit(true), - d_last_bit(0) -{ -} - -int -noaa_hrpt_bit_sync::general_work(int noutput_items, - gr_vector_int &ninput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - int ninputs = ninput_items[0]; - const char *in = (const char *)input_items[0]; - char *out = (char *)output_items[0]; - - int i = 0, j = 0; - while (i < ninputs && j < noutput_items) { - char bit = in[i++]; - char diff = bit^d_last_bit; - d_last_bit = bit; - - if (d_mid_bit && diff) { - out[j++] = bit; - d_mid_bit = false; - } - else - d_mid_bit = true; - } - - consume_each(i); - return j; -} |