19082d92ea
Switch signalLevel back to a power measurement, don't put SNR in there. But make it a 0.0 - 1.0 double so we're not scaling everywhere. Adjust for the amplitude offset when calculating power. Adapt everything else to the new scheme.
129 lines
4.3 KiB
C
129 lines
4.3 KiB
C
// Part of dump1090, a Mode S message decoder for RTLSDR devices.
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//
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// stats.c: statistics structures and prototypes.
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//
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// Copyright (c) 2015 Oliver Jowett <oliver@mutability.co.uk>
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//
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// This file is free software: you may copy, redistribute and/or modify it
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// under the terms of the GNU General Public License as published by the
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// Free Software Foundation, either version 2 of the License, or (at your
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// option) any later version.
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//
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// This file is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// This file incorporates work covered by the following copyright and
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// permission notice:
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//
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// Copyright (C) 2012 by Salvatore Sanfilippo <antirez@gmail.com>
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef DUMP1090_STATS_H
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#define DUMP1090_STATS_H
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// Common stats for non-phase-corrected vs phase-corrected cases
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struct demod_stats {
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unsigned int demodulated0;
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unsigned int demodulated1;
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unsigned int demodulated2;
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unsigned int demodulated3;
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unsigned int goodcrc;
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unsigned int goodcrc_byphase[MODES_MAX_PHASE_STATS];
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unsigned int badcrc;
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unsigned int fixed;
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// Histogram of fixed bit errors: index 0 for single bit erros,
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// index 1 for double bit errors etc.
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unsigned int bit_fix[MODES_MAX_BITERRORS];
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};
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struct stats {
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time_t start;
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time_t end;
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// Statistics
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unsigned int preamble_no_correlation;
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unsigned int preamble_not_quiet;
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unsigned int valid_preamble;
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unsigned int preamble_phase[MODES_MAX_PHASE_STATS];
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struct demod_stats demod;
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struct demod_stats demod_phasecorrected;
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unsigned int http_requests;
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unsigned int out_of_phase;
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unsigned int DF_Len_Corrected;
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unsigned int DF_Type_Corrected;
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unsigned int ModeAC;
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unsigned int blocks_processed;
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unsigned int blocks_dropped;
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struct timespec cputime;
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// noise floor:
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double noise_power_sum;
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uint32_t noise_power_count;
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// mean signal power:
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double signal_power_sum;
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uint32_t signal_power_count;
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// peak signal power seen
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double peak_signal_power;
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// number of signals with power > -3dBFS
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uint32_t strong_signal_count;
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// remote messages:
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unsigned int remote_accepted;
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unsigned int remote_rejected;
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// total messages:
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unsigned int messages_total;
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// CPR decoding:
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unsigned int cpr_global_ok;
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unsigned int cpr_global_bad;
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unsigned int cpr_global_skipped;
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unsigned int cpr_local_ok;
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unsigned int cpr_local_skipped;
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unsigned int cpr_filtered;
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};
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void add_stats(const struct stats *st1, const struct stats *st2, struct stats *target);
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void display_stats(struct stats *st);
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void reset_stats(struct stats *st);
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#endif
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