radiosonde_auto_rx/rs92/pos2nmea.pl

124 wiersze
2.9 KiB
Perl
Executable File

#!/usr/bin/env perl
use strict;
use warnings;
my $filename = undef;
my $date = undef;
while (@ARGV) {
if ($ARGV[0] eq "--date") {
shift @ARGV;
if (defined $ARGV[0]) {
$date = shift @ARGV;
}
}
else {
$filename = shift @ARGV;
}
}
my $fpi;
if (defined $filename) {
open($fpi, "<", $filename) or die "Could not open $filename: $!";
}
else {
$fpi = *STDIN;
}
my $fpo = *STDOUT;
my $line;
my $hms;
my $lat; my $lon; my $alt;
my $sign;
my $NS; my $EW;
my $cs;
my $str;
my $speed = 0.00;
my $course = 0.00;
if (defined $date && $date =~ /(\d?\d\d\d\d\d)/) {
$date = $1;
}
else {
$date = 21116; ## (d)dmmyy ohne fuehrende 0 (wenn pos-log kein Datum enthaelt)
}
my $geoid = 50.0; ## GPS ueber Ellipsoid; Geoid-Hoehe in Europa ca 40-50m
while ($line = <$fpi>) {
print STDERR $line; ## entweder: alle Zeilen ausgeben
if ($line =~ /(\d\d):(\d\d):(\d\d\.?\d?\d?\d?).*\ +lat:\ *(-?\d*)(\.\d*)\ +lon:\ *(-?\d*)(\.\d*)\ +alt:\ *(-?\d*\.\d*).*/) {
#print STDERR $line; ## oder: nur Zeile mit Koordinaten ausgeben
$hms = $1*10000+$2*100+$3;
if ($4 < 0) { $NS="S"; $sign *= -1; }
else { $NS="N"; $sign = 1}
$lat = $sign*$4*100+$5*60;
if ($6 < 0) { $EW="W"; $sign = -1; }
else { $EW="E"; $sign = 1; }
$lon = $sign*$6*100+$7*60;
$alt = $8;
if ($line =~ /(\d\d\d\d)-(\d\d)-(\d\d).*/) {
$date = $3*10000+$2*100+($1%100);
}
if ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/) {
$speed = $1*3.6/1.852; ## m/s -> knots
$course = $2;
}
$str = sprintf("GPRMC,%010.3f,A,%08.3f,$NS,%09.3f,$EW,%.2f,%.2f,%06d,,", $hms, $lat, $lon, $speed, $course, $date);
$cs = 0;
$cs ^= $_ for unpack 'C*', $str;
printf $fpo "\$$str*%02X\n", $cs;
$str = sprintf("GPGGA,%010.3f,%08.3f,$NS,%09.3f,$EW,1,04,0.0,%.3f,M,%.1f,M,,", $hms, $lat, $lon, $alt-$geoid, $geoid);
$cs = 0;
$cs ^= $_ for unpack 'C*', $str;
printf $fpo "\$$str*%02X\n", $cs;
}
#elsif ($line =~ / # xdata = (.*)/) { ## nicht, wenn (oben) alle Zeilen ausgeben werden
# if ($1) {
# print STDERR $line;
# }
#}
}
close $fpi;
close $fpo;
#############################################################################################################################
##
## term-1$ socat -d -d pty,raw,echo=0 pty,raw,b4800,echo=0 #[default baudrate 38400]
## N PTY is /dev/pts/12
## N PTY is /dev/pts/15
##
## term-2$ sox -t oss /dev/dsp -t wav - lowpass 3600 2>/dev/null | ./rs92ecc --ecc --crc --vel2 -e brdc3010.16n | \
## ./pos2nmea.pl --date 31116 > /dev/pts/12
##
## term-3$ gpsd -D2 -b -n -N /dev/pts/15
##
## term-4$ gpspipe -R localhost:2947
##
## Viking: GPS-layer, Realtime Tracking Mode, gpsd-port: 2947
##
#############################################################################################################################