1NMEA(3)               User Contributed Perl Documentation              NMEA(3)
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NAME

6       GPS::NMEA - Perl interface to GPS equipment using the NMEA Protocol
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SYNOPSIS

9         use GPS::NMEA;
10         $gps = new GPS::NMEA(  'Port'      => '/dev/ttyS0',
11                                'Baud'      => 9600,
12                       );
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DESCRIPTION

15       GPS::NMEA allows the connection and use of of a GPS receiver in perl
16       scripts.
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18       Note that latitudes and longitudes are in DMM format.
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GETTING STARTED

KNOWN LIMITATIONS

BUGS

EXAMPLES

24       Get the position periodically:
25
26           #!/usr/bin/perl
27           use GPS::NMEA;
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29           my $gps = GPS::NMEA->new(Port => '/dev/cuaa0', # or COM5: or /dev/ttyS0
30                                    Baud => 4800);
31           while(1) {
32               my($ns,$lat,$ew,$lon) = $gps->get_position;
33               print "($ns,$lat,$ew,$lon)\n";
34           }
35
36       Get the internal NMEA dump:
37
38           #!/usr/bin/perl
39           use GPS::NMEA;
40           use Data::Dumper;
41
42           my $gps = GPS::NMEA->new(Port => '/dev/cuaa0', # or COM5: or /dev/ttyS0
43                                    Baud => 4800);
44           while(1) {
45               $gps->parse;
46
47               # Dump internal NMEA data:
48               $gps->nmea_data_dump;
49
50               # Alternative to look at the internal NMEA data:
51               require Data::Dumper;
52               print Data::Dumper->new([$gps->{NMEADATA}],[])->Indent(1)->Useqq(1)->Dump;
53           }
54           __END__
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AUTHOR

57       Joao Pedro B Gonçalves , joaop@iscsp.utl.pt
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SEE ALSO

POD ERRORS

61       Hey! The above document had some coding errors, which are explained
62       below:
63
64       Around line 159:
65           You forgot a '=back' before '=head1'
66
67       Around line 204:
68           Non-ASCII character seen before =encoding in 'Gonçalves'. Assuming
69           CP1252
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73perl v5.38.0                      2023-07-20                           NMEA(3)