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interactive.c
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interactive.c
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// Part of dump1090, a Mode S message decoder for RTLSDR devices.
//
// interactive.c: aircraft tracking and interactive display
//
// Copyright (c) 2014,2015 Oliver Jowett <[email protected]>
//
// This file is free software: you may copy, redistribute and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 2 of the License, or (at your
// option) any later version.
//
// This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
// This file incorporates work covered by the following copyright and
// permission notice:
//
// Copyright (C) 2012 by Salvatore Sanfilippo <[email protected]>
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "dump1090.h"
//
//========================= Interactive mode ===============================
static int convert_altitude(int ft)
{
if (Modes.metric)
return (ft / 3.2828);
else
return ft;
}
static int convert_speed(int kts)
{
if (Modes.metric)
return (kts / 1.852);
else
return kts;
}
//
//=========================================================================
//
// Show the currently captured interactive data on screen.
//
void interactiveShowData(void) {
struct aircraft *a = Modes.aircrafts;
static uint64_t next_update;
uint64_t now = mstime();
int count = 0;
char progress;
char spinner[4] = "|/-\\";
// Refresh screen every (MODES_INTERACTIVE_REFRESH_TIME) miliseconde
if (now < next_update)
return;
next_update = now + MODES_INTERACTIVE_REFRESH_TIME;
progress = spinner[(now/1000)%4];
#ifndef _WIN32
printf("\x1b[H\x1b[2J"); // Clear the screen
#else
cls();
#endif
if (Modes.interactive_rtl1090 == 0) {
printf (
" Hex Mode Sqwk Flight Alt Spd Hdg Lat Long RSSI Msgs Ti%c\n", progress);
} else {
printf (
" Hex Flight Alt V/S GS TT SSR G*456^ Msgs Seen %c\n", progress);
}
printf(
"-------------------------------------------------------------------------------\n");
while(a && (count < Modes.interactive_rows)) {
if ((now - a->seen) < Modes.interactive_display_ttl)
{
int msgs = a->messages;
int flags = a->modeACflags;
if ( (((flags & (MODEAC_MSG_FLAG )) == 0 ) && (msgs > 1 ) )
|| (((flags & (MODEAC_MSG_MODES_HIT | MODEAC_MSG_MODEA_ONLY)) == MODEAC_MSG_MODEA_ONLY) && (msgs > 4 ) )
|| (((flags & (MODEAC_MSG_MODES_HIT | MODEAC_MSG_MODEC_OLD )) == 0 ) && (msgs > 127) )
) {
char strSquawk[5] = " ";
char strFl[7] = " ";
char strTt[5] = " ";
char strGs[5] = " ";
if (a->bFlags & MODES_ACFLAGS_SQUAWK_VALID) {
snprintf(strSquawk,5,"%04x", a->modeA);}
if (a->bFlags & MODES_ACFLAGS_SPEED_VALID) {
snprintf (strGs, 5,"%3d", convert_speed(a->speed));}
if (a->bFlags & MODES_ACFLAGS_HEADING_VALID) {
snprintf (strTt, 5,"%03d", a->track);}
if (msgs > 99999) {
msgs = 99999;}
if (Modes.interactive_rtl1090) { // RTL1090 display mode
if (a->bFlags & MODES_ACFLAGS_ALTITUDE_VALID) {
snprintf(strFl,6,"F%03d",(a->altitude/100));
}
printf("%06x %-8s %-4s %-3s %-3s %4s %-6d %-2.0f\n",
a->addr, a->flight, strFl, strGs, strTt, strSquawk, msgs, (now - a->seen)/1000.0);
} else { // Dump1090 display mode
char strMode[5] = " ";
char strLat[8] = " ";
char strLon[9] = " ";
double * pSig = a->signalLevel;
double signalAverage = (pSig[0] + pSig[1] + pSig[2] + pSig[3] +
pSig[4] + pSig[5] + pSig[6] + pSig[7]) / 8.0;
if ((flags & MODEAC_MSG_FLAG) == 0) {
strMode[0] = 'S';
} else if (flags & MODEAC_MSG_MODEA_ONLY) {
strMode[0] = 'A';
}
if (flags & MODEAC_MSG_MODEA_HIT) {strMode[2] = 'a';}
if (flags & MODEAC_MSG_MODEC_HIT) {strMode[3] = 'c';}
if (a->bFlags & MODES_ACFLAGS_LATLON_VALID) {
snprintf(strLat, 8,"%7.03f", a->lat);
snprintf(strLon, 9,"%8.03f", a->lon);
}
if (a->bFlags & MODES_ACFLAGS_AOG) {
snprintf(strFl, 7," grnd");
} else if (Modes.use_hae && (a->bFlags & MODES_ACFLAGS_ALTITUDE_HAE_VALID)) {
snprintf(strFl, 7, "%5dH", convert_altitude(a->altitude_hae));
} else if (a->bFlags & MODES_ACFLAGS_ALTITUDE_VALID) {
snprintf(strFl, 7, "%5d ", convert_altitude(a->altitude));
}
printf("%s%06X %-4s %-4s %-8s %6s %3s %3s %7s %8s %5.1f %5d %2.0f\n",
(a->addr & MODES_NON_ICAO_ADDRESS) ? "~" : " ", (a->addr & 0xffffff),
strMode, strSquawk, a->flight, strFl, strGs, strTt,
strLat, strLon, 10 * log10(signalAverage), msgs, (now - a->seen)/1000.0);
}
count++;
}
}
a = a->next;
}
}
//
//=========================================================================
//