jantore/app.pl

## app.pl
#!/usr/bin/perl

use strict;
use warnings;

package Positioner;

use Mojo::Base 'Mojo::EventEmitter';
use Mojo::IOLoop;

has 'ioloop' => sub { Mojo::IOLoop->singleton->multi_accept(1) };
has 'position' => undef;

sub parse_rmc {
    my ($line) = @_;
    my @g = split(/,/, $line);

    return if $g[2] ne 'A' or not $g[3] or not $g[5];

    my $time = $g[1];

    my ($lad, $lam) = $g[3] =~ m/^(\d\d)(\d\d\.\d\d\d\d)/;
    my $lat = $lad + ($lam / 60);
    $lat *= -1 if($g[4] eq 'S');

    my ($lod, $lom) = $g[5] =~ m/^(\d\d\d)(\d\d\.\d\d\d\d)/;
    my $lng = $lod + ($lom / 60);
    $lng *= -1 if($g[6] eq 'W');

    return {
        time => $time,
        lat  => $lat,
        lng  => $lng,
    };
}

sub start {
    my ($self) = @_;
    $self->{'buffer'} = '';

    $self->ioloop->server({
        address => '127.0.0.1',
        port => 51234,
    } => sub {
        my ($loop, $server) = @_;
        $server->on(read => sub {
            my ($stream, $bytes) = @_;
            $self->{'buffer'} .= $bytes;
            while($self->{'buffer'} =~ s/^([^\r\n]+)\r\n//m) {
                my $pos = parse_rmc($1);
                if(defined $pos) {
                    $self->position($pos);
                    $self->emit(position => $pos);
                }
            }
        });
    });
}

package main;

use Mojolicious::Lite;
use Mojo::ByteStream qw{ b };
use Mojo::JSON qw{ encode_json };

my $p = Positioner->new;

helper 'position' => sub {
    b(encode_json($p->position));
};

websocket '/position' => sub {
    my $c = shift;

    my $cb = $p->on(position => sub {
        $c->send({ json => $_[1] });
    });

    $c->on(finish => sub {
        $p->unsubscribe(position => $cb);
    });
};

get '/' => 'index';

$p->start;
app->start;
__DATA__
@@ index.html.ep
<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <style type="text/css">
      html { height: 100% }
      body { height: 100%; margin: 0; padding: 0 }
      #map-canvas { height: 100% }
    </style>
    <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js"></script>
    <script type="text/javascript">
      function initialize() {
% if(position ne "null") {
        var pos = <%= position %>
% } else {
        var pos = new google.maps.LatLng(0, 0);
% }
        var map = new google.maps.Map(
          document.getElementById("map-canvas"),
          {
            center: pos,
            zoom: 15
          }
        );

        var marker;
        var ws = new WebSocket('<%= url_for('position')->to_abs %>');
        ws.onmessage = function (event) {
          var p = JSON.parse(event.data);
          console.log(p['lat']);
          if(marker) {
              marker.setPosition(p);
          } else {
            marker = new google.maps.Marker({
              position: p,
              map: map
            });
            //marker.setMap(map);
          }
          map.panTo(p);
        };
      }
      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
  </body>
</html>

## gps.pl
#!/usr/bin/perl

use strict;
use warnings;

use v5.010;

use AnyEvent::SerialPort;
use IO::Socket::INET6;

$| = 1;

my $cv  = AnyEvent->condvar;

my $CRLF = "\r\n";

my $ctl = AnyEvent::SerialPort->new(
    serial_port => [
        '/dev/ttyACM1' => [ baudrate => 115200 ],
    ]
);

my $gps = AnyEvent::SerialPort->new(
    serial_port => [
        '/dev/ttyACM2' => [ baudrate => 115200 ],
    ]
);

my $out = IO::Socket::INET6->new(
    PeerAddr => '91.189.176.203',
    PeerPort => 49160,
    Proto    => 'udp',
) or die "couldn't create socket: $!";

$ctl->push_write("AT+CFUN=1\r\n");
$ctl->push_read(line => sub {
    if($_[1] =~ /^OK$/) {
        $ctl->push_write("AT*E2GPSCTL=1,1,1\r\n");
    }
});

my $a;
$a = sub {
    my ($gps, $line) = @_;
    $line =~ s/^\x00*//;
    if($line =~ m/^\$GPRMC/) {
        chomp $line;
        $out->send($line . "\r\n");
    }
    $gps->push_read(response => $a);
};

$gps->push_read(response => sub {
    my ($gps, $line) = @_;
    if($line =~ /\^*EMRDY: 1$/) {
        $gps->push_write("AT*E2GPSNPD\r\n");
        $gps->push_read(response => $a);
    }
});

$cv->recv;

package response;

sub anyevent_read_type {
    my ($handle, $cb) = @_;

    sub {
        $handle->push_read(line => sub {
            my $c;
            $c = sub {
                if($_[1]) {
                    $cb->($handle, $_[1]);
                } else {
                    $handle->unshift_read(line => $c);
                }
            };
            $c->($handle, $_[1]);
        });

        return 1;
    }
}
	#!/usr/bin/perl

	use strict;
	use warnings;

	package Positioner;

	use Mojo::Base 'Mojo::EventEmitter';
	use Mojo::IOLoop;

	has 'ioloop' => sub { Mojo::IOLoop->singleton->multi_accept(1) };
	has 'position' => undef;

	sub parse_rmc {
	my ($line) = @_;
	my @g = split(/,/, $line);

	return if $g[2] ne 'A' or not $g[3] or not $g[5];

	my $time = $g[1];

	my ($lad, $lam) = $g[3] =~ m/^(\d\d)(\d\d\.\d\d\d\d)/;
	my $lat = $lad + ($lam / 60);
	$lat *= -1 if($g[4] eq 'S');

	my ($lod, $lom) = $g[5] =~ m/^(\d\d\d)(\d\d\.\d\d\d\d)/;
	my $lng = $lod + ($lom / 60);
	$lng *= -1 if($g[6] eq 'W');

	return {
	time => $time,
	lat => $lat,
	lng => $lng,
	};
	}

	sub start {
	my ($self) = @_;
	$self->{'buffer'} = '';

	$self->ioloop->server({
	address => '127.0.0.1',
	port => 51234,
	} => sub {
	my ($loop, $server) = @_;
	$server->on(read => sub {
	my ($stream, $bytes) = @_;
	$self->{'buffer'} .= $bytes;
	while($self->{'buffer'} =~ s/^([^\r\n]+)\r\n//m) {
	my $pos = parse_rmc($1);
	if(defined $pos) {
	$self->position($pos);
	$self->emit(position => $pos);
	}
	}
	});
	});
	}

	package main;

	use Mojolicious::Lite;
	use Mojo::ByteStream qw{ b };
	use Mojo::JSON qw{ encode_json };

	my $p = Positioner->new;

	helper 'position' => sub {
	b(encode_json($p->position));
	};

	websocket '/position' => sub {
	my $c = shift;

	my $cb = $p->on(position => sub {
	$c->send({ json => $_[1] });
	});

	$c->on(finish => sub {
	$p->unsubscribe(position => $cb);
	});
	};

	get '/' => 'index';

	$p->start;
	app->start;
	__DATA__
	@@ index.html.ep
	<!DOCTYPE html>
	<html>
	<head>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
	<style type="text/css">
	html { height: 100% }
	body { height: 100%; margin: 0; padding: 0 }
	#map-canvas { height: 100% }
	</style>
	<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js"></script>
	<script type="text/javascript">
	function initialize() {
	% if(position ne "null") {
	var pos = <%= position %>
	% } else {
	var pos = new google.maps.LatLng(0, 0);
	% }
	var map = new google.maps.Map(
	document.getElementById("map-canvas"),
	{
	center: pos,
	zoom: 15
	}
	);

	var marker;
	var ws = new WebSocket('<%= url_for('position')->to_abs %>');
	ws.onmessage = function (event) {
	var p = JSON.parse(event.data);
	console.log(p['lat']);
	if(marker) {
	marker.setPosition(p);
	} else {
	marker = new google.maps.Marker({
	position: p,
	map: map
	});
	//marker.setMap(map);
	}
	map.panTo(p);
	};
	}
	google.maps.event.addDomListener(window, 'load', initialize);
	</script>
	</head>
	<body>
	<div id="map-canvas"></div>
	</body>
	</html>