379 lines
12 KiB
C
379 lines
12 KiB
C
// Part of dump1090, a Mode S message decoder for RTLSDR devices.
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//
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// interactive.c: aircraft tracking and interactive display
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//
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// Copyright (c) 2014,2015 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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#include "dump1090.h"
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#include <curses.h>
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#include <regex.h>
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#include <sys/types.h>
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//
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//========================= Interactive mode ===============================
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static int convert_altitude(int ft)
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{
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if (Modes.metric)
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return (ft / 3.2828);
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else
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return ft;
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}
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static int convert_speed(int kts)
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{
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if (Modes.metric)
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return (kts * 1.852);
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else
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return kts;
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}
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//
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//=========================================================================
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//
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// Show the currently captured interactive data on screen.
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//
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double distance_units_conversion;
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char *distance_units_suffix;
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regex_t callsign_filter_regex;
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void interactiveInit() {
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if (!Modes.interactive) {
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return;
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}
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switch(Modes.interactive_distance_units) {
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case UNIT_NAUTICAL_MILES:
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distance_units_conversion = 0.53996;
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distance_units_suffix = "nm";
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break;
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case UNIT_STATUTE_MILES:
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distance_units_conversion = 0.621371;
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distance_units_suffix = "sm";
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break;
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case UNIT_KILOMETERS:
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distance_units_conversion = 1.0;
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distance_units_suffix = "km";
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break;
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}
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if (Modes.interactive_callsign_filter) {
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int rc = regcomp(&callsign_filter_regex, Modes.interactive_callsign_filter,
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REG_EXTENDED | REG_NOSUB | REG_ICASE);
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if (rc != 0) {
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char msg[256];
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regerror(rc, &callsign_filter_regex, msg, sizeof(msg));
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fprintf(stderr, "Unable to parse filter '%s': %s\n", Modes.interactive_callsign_filter, msg);
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exit(1);
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}
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}
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initscr();
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clear();
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refresh();
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}
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void interactiveCleanup(void) {
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if (Modes.interactive) {
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regfree(&callsign_filter_regex);
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endwin();
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}
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}
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void interactiveNoConnection(void) {
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if (!Modes.interactive)
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return;
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mvprintw(0, 0, " /!\\ input connection lost /!\\ ");
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refresh();
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}
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void interactiveShowData(void) {
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struct aircraft *a = Modes.aircrafts;
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static uint64_t next_update;
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static bool need_clear = true;
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uint64_t now = mstime();
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char progress;
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char spinner[4] = "|/-\\";
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int valid = 0;
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double signalMax = -100.0;
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double signalMin = +100.0;
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double signalMean = 0.0;
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double distanceMax = 0.0;
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if (!Modes.interactive)
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return;
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if (need_clear) {
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clear();
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need_clear = false;
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}
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// Refresh screen every (MODES_INTERACTIVE_REFRESH_TIME) miliseconde
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if (now < next_update)
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return;
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next_update = now + MODES_INTERACTIVE_REFRESH_TIME;
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if (Modes.interactive_show_distance) {
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mvprintw(1, 0, " Hex Mode Sqwk Flight Alt Spd Hdg Dist(%s) Bearing RSSI Msgs Ti",
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distance_units_suffix);
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} else {
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mvprintw(1, 0, " Hex Mode Sqwk Flight Alt Spd Hdg Lat Long RSSI Msgs Ti");
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}
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mvhline(2, 0, ACS_HLINE, 80);
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progress = spinner[(now/1000)%4];
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mvaddch(0, 79, progress);
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int rows = getmaxy(stdscr);
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int row = 3;
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int rowMaxd = 0;
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int rowMaxRSSI = 0;
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int rowMinRSSI = 0;
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// Ensure trackDataValid uses the current time
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_messageNow = now;
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while (a) {
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if (a->reliable && (now - a->seen) < Modes.interactive_display_ttl
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&& (Modes.interactive_callsign_filter == NULL || a->callsign_matched
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|| regexec(&callsign_filter_regex, a->callsign, 0, NULL, 0) == 0)) {
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char strSquawk[5] = " ";
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char strFl[7] = " ";
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char strTt[5] = " ";
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char strGs[5] = " ";
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int msgs = a->messages;
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a->callsign_matched = 1;
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valid++;
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if (trackDataValid(&a->squawk_valid)) {
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snprintf(strSquawk, sizeof(strSquawk), "%04x", a->squawk);
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}
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if (trackDataValid(&a->gs_valid)) {
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snprintf (strGs, sizeof(strGs), "%3d", convert_speed(a->gs));
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}
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if (trackDataValid(&a->track_valid)) {
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snprintf (strTt, sizeof(strTt), "%03.0f", a->track);
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}
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if (msgs > 99999) {
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msgs = 99999;
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}
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double distance = 0.0;
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char strDistance[8] = " ";
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double bearing = 0.0;
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char strBearing[9] = " ";
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char strMode[5] = " ";
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char strLat[8] = " ";
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char strLon[9] = " ";
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double * pSig = a->signalLevel;
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double signalAverage = (pSig[0] + pSig[1] + pSig[2] + pSig[3] +
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pSig[4] + pSig[5] + pSig[6] + pSig[7]) / 8.0;
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switch (a->addrtype) {
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case ADDR_ADSB_ICAO:
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if (a->adsb_version >= 0) {
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strMode[0] = 'A';
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strMode[1] = '0' + a->adsb_version;
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} else {
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strMode[0] = 'S';
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}
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break;
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case ADDR_ADSB_ICAO_NT:
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strMode[0] = 'N';
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strMode[1] = 'T';
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break;
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case ADDR_ADSR_ICAO:
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case ADDR_ADSR_OTHER:
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strMode[0] = 'R';
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break;
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case ADDR_TISB_ICAO:
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case ADDR_TISB_TRACKFILE:
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case ADDR_TISB_OTHER:
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strMode[0] = 'T';
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break;
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default:
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strMode[0] = '?';
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break;
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}
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if (a->modeA_hit) {
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strMode[2] = 'a';
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}
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if (a->modeC_hit) {
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strMode[3] = 'c';
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}
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if (trackDataValid(&a->position_valid)) {
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snprintf(strLat, sizeof(strLat), "%7.03f", a->lat);
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snprintf(strLon, sizeof(strLon), "%8.03f", a->lon);
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}
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if (trackDataValid(&a->airground_valid) && a->airground == AG_GROUND) {
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snprintf(strFl, sizeof(strFl), "grnd ");
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} else if (Modes.use_gnss && trackDataValid(&a->altitude_geom_valid)) {
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snprintf(strFl, sizeof(strFl), "%5dH", convert_altitude(a->altitude_geom));
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} else if (trackDataValid(&a->altitude_baro_valid)) {
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snprintf(strFl, sizeof(strFl), "%5d ", convert_altitude(a->altitude_baro));
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}
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double signalDisplay = 10.0 * log10(signalAverage);
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if ((Modes.bUserFlags & MODES_USER_LATLON_VALID) && trackDataValid(&a->position_valid)) {
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distance = greatcircle(Modes.fUserLat, Modes.fUserLon,
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a->lat, a->lon);
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distance /= 1000.0;
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distance *= distance_units_conversion;
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if (distance > distanceMax) {
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distanceMax = distance;
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}
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snprintf(strDistance, sizeof(strDistance), "%5.1f ", distance);
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bearing = get_bearing(Modes.fUserLat, Modes.fUserLon, a->lat, a->lon);
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snprintf(strBearing, sizeof(strBearing), "%5.0f ", bearing);
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}
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if (signalDisplay > signalMax) {
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signalMax = signalDisplay;
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}
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if (signalDisplay < signalMin) {
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signalMin = signalDisplay;
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}
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signalMean += signalDisplay;
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if (row < rows) {
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mvprintw(row, 0, "%s%06X %-4s %-4s %-8s %6s %3s %3s %7s %8s %5.1f %5d %*.0f",
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(a->addr & MODES_NON_ICAO_ADDRESS) ? "~" : " ", (a->addr & 0xffffff),
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strMode, strSquawk, a->callsign, strFl, strGs, strTt,
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Modes.interactive_show_distance ? strDistance : strLat,
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Modes.interactive_show_distance ? strBearing : strLon,
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signalDisplay, msgs, Modes.interactive_display_size, (now - a->seen)/1000.0);
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if (signalDisplay >= signalMax) {
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rowMaxRSSI = row;
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}
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if (signalDisplay <= signalMin) {
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rowMinRSSI = row;
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}
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if (distance >= distanceMax) {
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rowMaxd = row;
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}
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++row;
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}
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}
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a = a->next;
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}
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if (Modes.mode_ac && !Modes.interactive_callsign_filter) {
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for (unsigned i = 1; i < 4096 && row < rows; ++i) {
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if (modeAC_match[i] || modeAC_count[i] < 50 || modeAC_age[i] > 5)
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continue;
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char strMode[5] = " A ";
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char strFl[7] = " ";
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unsigned modeA = indexToModeA(i);
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int modeC = modeAToModeC(modeA);
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if (modeC != INVALID_ALTITUDE) {
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strMode[3] = 'C';
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snprintf(strFl, sizeof(strFl), "%5d ", convert_altitude(modeC * 100));
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}
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valid++;
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mvprintw(row, 0,
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"%7s %-4s %04x %-8s %6s %3s %3s %7s %8s %5s %5u %2u\n",
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"", /* address */
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strMode, /* mode */
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modeA, /* squawk */
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"", /* callsign */
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strFl, /* altitude */
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"", /* gs */
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"", /* heading */
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"", /* lat */
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"", /* lon */
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"", /* signal */
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modeAC_count[i], /* messages */
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modeAC_age[i]); /* age */
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++row;
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}
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}
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if (rowMaxd > 3 && Modes.interactive_show_distance) {
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mvprintw(rowMaxd, 52, "+");
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}
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mvprintw(rowMaxRSSI, 68, "+");
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mvprintw(rowMinRSSI, 68, "-");
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mvprintw(0, 0, " Tot: %3d Vis: %3d RSSI: Max %5.1f+ Mean %5.1f Min %5.1f- MaxD: %6.1f%s+ ",
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valid, (rows-3) < valid ? (rows-3) : valid, signalMax, signalMean / valid, signalMin, distanceMax,
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distance_units_suffix);
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if (row < rows) {
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move(row, 0);
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clrtobot();
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}
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move(0, 0);
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refresh();
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}
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//
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//=========================================================================
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//
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