diff options
Diffstat (limited to 'gr-noaa/lib/noaa_hrpt_decoder.cc')
-rw-r--r-- | gr-noaa/lib/noaa_hrpt_decoder.cc | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/gr-noaa/lib/noaa_hrpt_decoder.cc b/gr-noaa/lib/noaa_hrpt_decoder.cc deleted file mode 100644 index d6a063285..000000000 --- a/gr-noaa/lib/noaa_hrpt_decoder.cc +++ /dev/null @@ -1,200 +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_decoder.h> -#include <noaa_hrpt.h> -#include <gr_io_signature.h> -#include <cstdio> - -static const char *hrpt_ids[] = { - "000000", - "NOAA11", - "000002", - "NOAA16", - "000004", - "000005", - "000006", - "NOAA15", - "000008", - "NOAA12", - "000010", - "NOAA17", - "000012", - "NOAA18", - "000014", - "NOAA19" -}; - -noaa_hrpt_decoder_sptr -noaa_make_hrpt_decoder(bool verbose, bool output_files) -{ - return gnuradio::get_initial_sptr(new noaa_hrpt_decoder(verbose, output_files)); -} - -noaa_hrpt_decoder::noaa_hrpt_decoder(bool verbose, bool output_files) - : gr_sync_block("noaa_hrpt_decoder", - gr_make_io_signature(1, 1, sizeof(short)), - gr_make_io_signature(0, 0, 0)), - d_verbose(verbose), - d_output_files(output_files), - d_word_num(0), - d_frames_seen(0), - d_current_mfnum(0), - d_expected_mfnum(0), - d_seq_errs(0), - d_address(0), - d_day_of_year(0), - d_milliseconds(0), - d_last_time(0) -{ - // Start of capture processing here -} - -int -noaa_hrpt_decoder::work(int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - const unsigned short *in = (const unsigned short*)input_items[0]; - - int i = 0; - while (i < noutput_items) { - d_current_word = in[i++] & 0x3FF; - d_word_num++; - - // Per HRPT word processing here - - switch (d_word_num) { - case 7: - process_mfnum(); - process_address(); - break; - - case 9: - process_day_of_year(); - break; - - case 10: - process_milli1(); - break; - - case 11: - process_milli2(); - break; - - case 12: - process_milli3(); - break; - - default: - break; - } - - if (d_word_num == HRPT_MINOR_FRAME_WORDS) { - - // End of minor frame processing here - d_frames_seen++; - d_word_num = 0; - fprintf(stderr, "\n"); - } - } - - return i; -} - -void -noaa_hrpt_decoder::process_mfnum() -{ - d_current_mfnum = (d_current_word & 0x180) >> 7; - - if (d_verbose) - fprintf(stderr, "MF:"); - - if (d_current_mfnum != d_expected_mfnum && d_frames_seen > 0) { - d_seq_errs++; - - if (d_verbose) - fprintf(stderr, "*"); - } - else - if (d_verbose) - fprintf(stderr, " "); - - if (d_verbose) - fprintf(stderr, "%i ", d_current_mfnum); - d_expected_mfnum = (d_current_mfnum == 3) ? 1 : d_current_mfnum+1; -} - -void -noaa_hrpt_decoder::process_address() -{ - d_address = ((d_current_word & 0x078) >> 3) & 0x000F; - - if (d_verbose) - fprintf(stderr, "SA: %s ", hrpt_ids[d_address]); -} - -void -noaa_hrpt_decoder::process_day_of_year() -{ - d_day_of_year = d_current_word >> 1; - - if (d_verbose) - fprintf(stderr, "DOY: %3i ", d_day_of_year); -} - -void -noaa_hrpt_decoder::process_milli1() -{ - d_milliseconds = (d_current_word & 0x7F) << 20; -} - -void -noaa_hrpt_decoder::process_milli2() -{ - d_milliseconds |= (d_current_word << 10); -} - -void -noaa_hrpt_decoder::process_milli3() -{ - d_milliseconds |= d_current_word; - int delta = d_milliseconds - d_last_time; - d_last_time = d_milliseconds; - - if (d_verbose) - fprintf(stderr, "MS: %8i DT: %8i", d_milliseconds, delta); -} - -noaa_hrpt_decoder::~noaa_hrpt_decoder() -{ - // End of capture processing here - - if (d_verbose) { - fprintf(stderr, "Frames seen: %10i\n", d_frames_seen); - fprintf(stderr, "Sequence errors: %10i\n", d_seq_errs); - } -} |