| 1 |
stefan |
1.1 |
package GPS; |
| 2 |
|
|
|
| 3 |
|
|
use strict; |
| 4 |
|
|
use warnings; |
| 5 |
|
|
use POSIX (); |
| 6 |
|
|
use Coro::Socket; |
| 7 |
|
|
|
| 8 |
|
|
our $VERSION = 0.01; |
| 9 |
|
|
|
| 10 |
|
|
sub new { |
| 11 |
|
|
my ($class, %arg) = @_; |
| 12 |
|
|
$arg{port} ||= 2947; |
| 13 |
|
|
$arg{host} ||= 'localhost'; |
| 14 |
|
|
|
| 15 |
|
|
my $sock = new Coro::Socket PeerHost => $arg{host}, PeerPort => $arg{port} |
| 16 |
|
|
or die 'GPSD ($arg{host}:$arg{port}): $!'; |
| 17 |
|
|
print $sock "HELO\n"; |
| 18 |
|
|
<$sock> =~ /GPSD/ or die 'no GPSD'; |
| 19 |
|
|
|
| 20 |
|
|
bless { |
| 21 |
|
|
fh => $sock, |
| 22 |
|
|
minpoll => $arg{minpoll} || 1, |
| 23 |
|
|
last => 0, |
| 24 |
|
|
data => {} |
| 25 |
|
|
}, $class; |
| 26 |
|
|
} |
| 27 |
|
|
|
| 28 |
|
|
sub poll { |
| 29 |
|
|
my $self = shift; |
| 30 |
|
|
|
| 31 |
|
|
print {$self->{fh}} "dpva\n"; |
| 32 |
|
|
|
| 33 |
|
|
if ($self->{fh}->readline =~ m%GPSD,D=(\d\d)/(\d\d)/(\d\d\d\d) (\d\d):(\d\d):(\d\d),P=([\-0-9.]+) ([\-0-9.]+),V=([0-9.]+),A=([\-0-9.]+)%) { |
| 34 |
|
|
local $ENV{TZ} = "+0000"; |
| 35 |
|
|
$self->{data} = { |
| 36 |
|
|
time => (POSIX::mktime $6,$5,$4,$2,$1-1,$3-1900,0,0), |
| 37 |
|
|
lat => $7, |
| 38 |
|
|
long => $8, |
| 39 |
|
|
v => $9, |
| 40 |
|
|
alt => $10, |
| 41 |
|
|
}; |
| 42 |
|
|
$self->{last} = time; |
| 43 |
|
|
} |
| 44 |
|
|
} |
| 45 |
|
|
|
| 46 |
|
|
sub data { |
| 47 |
|
|
$_[0]->poll if time - $_[0]{last} >= $_[0]{minpoll}; |
| 48 |
|
|
$_[0]{data}; |
| 49 |
|
|
} |
| 50 |
|
|
|
| 51 |
|
|
1; |
| 52 |
|
|
|
