87 lines
2.3 KiB
Perl
Executable file
87 lines
2.3 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# Written by Curtis L. Olson, started January 2003
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# - there is no warrantee
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# - released to the public domain
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use strict;
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require "telnet.pl";
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my( $server ) = "localhost";
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my( $port ) = 5401;
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my( $timeout ) = 10;
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my( %Route );
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$Route{0} = "OAK:116.80:020";
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$Route{1} = "OAK:116.80:019:27";
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$Route{2} = "SAC:115.20:020";
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$Route{3} = "SAC:115.20:080:43";
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$Route{4} = "ECA:116.0:209";
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my( $i );
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foreach $i ( keys(%Route) ) {
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&fly_to( $Route{$i} );
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}
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sub fly_to() {
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my( $waypoint ) = shift;
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# decode waypoint
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my( $id, $freq, $radial, $dist ) = split( /:/, $waypoint );
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print "Next way point is $id - $freq\n";
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print " Target radial is $radial\n";
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if ( $dist ne "" ) {
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print " Flying outbound for $dist nm\n";
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} else {
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print " Flying inbound to station\n";
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}
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# tune radio and set autopilot
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my( $fgfs );
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if ( !( $fgfs = &connect($server, $port, $timeout) ) ) {
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print "Error: can't open socket\n";
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return;
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}
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&send( $fgfs, "data" ); # switch to raw data mode
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set_prop( $fgfs, "/radios/nav[0]/frequencies/selected-mhz", $freq );
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set_prop( $fgfs, "/radios/nav[0]/radials/selected-deg", $radial );
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set_prop( $fgfs, "/radios/dme/switch-position", "1" );
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set_prop( $fgfs, "/autopilot/locks/nav", "true" );
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# monitor progress until goal is achieved
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my( $done ) = 0;
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my( $last_range ) = 9999.0;
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while ( !$done ) {
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my( $inrange ) = get_prop( $fgfs, "/radios/nav[0]/in-range" );
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if ( $inrange eq "false" ) {
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print "Warning, VOR not in range, we are lost!\n";
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}
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my( $cur_range ) = get_prop( $fgfs, "/radios/dme/distance-nm" );
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print " range = $cur_range\n";
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if ( $dist ne "" ) {
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# a target dist is specified so assume we are flying outbound
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if ( $cur_range > $dist ) {
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$done = 1;
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}
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} else {
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# no target dist is specified, assume we are flying
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# inbound to the station
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if ( $cur_range < 0.25 && $cur_range > 0.0 ) {
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$done = 1;
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} elsif ( $last_range < $cur_range ) {
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$done = 1;
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}
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}
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$last_range = $cur_range;
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# loop once per second
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sleep(1);
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}
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&send( $fgfs, "quit");
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close $fgfs;
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}
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