189 lines
7.4 KiB
C
189 lines
7.4 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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//
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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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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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uint64_t now = mstime();
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int count = 0;
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char progress;
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char spinner[4] = "|/-\\";
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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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progress = spinner[(now/1000)%4];
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#ifndef _WIN32
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printf("\x1b[H\x1b[2J"); // Clear the screen
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#else
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cls();
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#endif
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if (Modes.interactive_rtl1090 == 0) {
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printf (
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" Hex Mode Sqwk Flight Alt Spd Hdg Lat Long RSSI Msgs Ti%c\n", progress);
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} else {
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printf (
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" Hex Flight Alt V/S GS TT SSR G*456^ Msgs Seen %c\n", progress);
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}
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printf(
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"-------------------------------------------------------------------------------\n");
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while(a && (count < Modes.interactive_rows)) {
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if ((now - a->seen) < Modes.interactive_display_ttl)
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{
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int msgs = a->messages;
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int flags = a->modeACflags;
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if ( (((flags & (MODEAC_MSG_FLAG )) == 0 ) && (msgs > 1 ) )
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|| (((flags & (MODEAC_MSG_MODES_HIT | MODEAC_MSG_MODEA_ONLY)) == MODEAC_MSG_MODEA_ONLY) && (msgs > 4 ) )
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|| (((flags & (MODEAC_MSG_MODES_HIT | MODEAC_MSG_MODEC_OLD )) == 0 ) && (msgs > 127) )
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) {
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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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if (a->bFlags & MODES_ACFLAGS_SQUAWK_VALID) {
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snprintf(strSquawk,5,"%04x", a->modeA);}
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if (a->bFlags & MODES_ACFLAGS_SPEED_VALID) {
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snprintf (strGs, 5,"%3d", convert_speed(a->speed));}
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if (a->bFlags & MODES_ACFLAGS_HEADING_VALID) {
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snprintf (strTt, 5,"%03d", a->track);}
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if (msgs > 99999) {
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msgs = 99999;}
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if (Modes.interactive_rtl1090) { // RTL1090 display mode
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if (a->bFlags & MODES_ACFLAGS_ALTITUDE_VALID) {
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snprintf(strFl,6,"F%03d",(a->altitude/100));
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}
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printf("%06x %-8s %-4s %-3s %-3s %4s %-6d %-2.0f\n",
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a->addr, a->flight, strFl, strGs, strTt, strSquawk, msgs, (now - a->seen)/1000.0);
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} else { // Dump1090 display mode
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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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if ((flags & MODEAC_MSG_FLAG) == 0) {
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strMode[0] = 'S';
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} else if (flags & MODEAC_MSG_MODEA_ONLY) {
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strMode[0] = 'A';
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}
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if (flags & MODEAC_MSG_MODEA_HIT) {strMode[2] = 'a';}
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if (flags & MODEAC_MSG_MODEC_HIT) {strMode[3] = 'c';}
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if (a->bFlags & MODES_ACFLAGS_LATLON_VALID) {
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snprintf(strLat, 8,"%7.03f", a->lat);
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snprintf(strLon, 9,"%8.03f", a->lon);
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}
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if (a->bFlags & MODES_ACFLAGS_AOG) {
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snprintf(strFl, 7," grnd");
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} else if (Modes.use_hae && (a->bFlags & MODES_ACFLAGS_ALTITUDE_HAE_VALID)) {
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snprintf(strFl, 7, "%5dH", convert_altitude(a->altitude_hae));
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} else if (a->bFlags & MODES_ACFLAGS_ALTITUDE_VALID) {
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snprintf(strFl, 7, "%5d ", convert_altitude(a->altitude));
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}
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printf("%s%06X %-4s %-4s %-8s %6s %3s %3s %7s %8s %5.1f %5d %2.0f\n",
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(a->addr & MODES_NON_ICAO_ADDRESS) ? "~" : " ", (a->addr & 0xffffff),
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strMode, strSquawk, a->flight, strFl, strGs, strTt,
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strLat, strLon, 10 * log10(signalAverage), msgs, (now - a->seen)/1000.0);
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}
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count++;
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}
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}
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a = a->next;
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}
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}
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//
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//=========================================================================
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//
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