Device::USB::MissileLauncher - interface to toy USB missile launchers
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NAME
Device::USB::MissileLauncher - interface to toy USB missile launchers
SYNOPSIS
use Device::USB::MissileLauncher;
my $ml = Device::USB::MissileLauncher->new();
$ml->do('left');
$ml->do('up');
$ml->do('fire');
DESCRIPTION
This implements a basic interface to the toy USB missile launchers that were on sale
in Marks and Spencers Christmas 2005 and later at 'I want one of those'.
It has two methods - new() and do(). do() takes a string out of the following list.
stop
left
right
up
down
leftup
rightup
leftdown
rightdown
fire
THANKS
Ian Jeffray published some C code to work with the Missile Launcher at
http://ian.jeffray.co.uk/linux/ and Scott Weston published some Python
code at http://scott.weston.id.au/software/pymissile-20060126/ , both
sets of code helped a lot when I was working out how to control the toy.
Jonathan Stowe also helped with the debugging to get v0.03 out, he spotted
the C code sending the init strings everytime.
AUTHOR
Greg McCarroll <greg@mccarroll.org.uk>
COPYRIGHT
Copyright 2006 Greg McCarroll. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under the
same terms as Perl itself.
SEE ALSO
package Device::USB::MissileLauncher;
use strict;
use warnings;
use Device::USB;
#use Data::Dumper;
our $VERSION = '0.03';
our $timeout = 1000;
sub new {
my $class = shift;
my $usb = Device::USB->new();
my $dev = $usb->find_device(0x1130,0x0202);
#my $inita = join ('', map { chr $_ } (85, 83, 66, 67, 0, 0, 4, 0)); # 8 bytes
#my $initb = join ('', map { chr $_ } (85, 83, 66, 67, 0, 64, 2, 0));
$dev->open() || die "$!";
$dev->set_configuration(1);
$dev->claim_interface(0);
$dev->claim_interface(1);
my $self = {};
$self->{dev} = $dev;
#$self->{dev}->control_msg(0x21,9,0x2,0x01,$inita,8,$timeout);
#sleep 1;
#$self->{dev}->control_msg(0x21,9,0x2,0x01,$initb,8,$timeout);
#sleep 1;
#print STDERR "ok\n";
return bless $self, $class;
}
sub do {
my $self = shift;
my $command = shift;
my $command_string = {};
my $inita = join ('', map { chr $_ } (85, 83, 66, 67, 0, 0, 4, 0)); # 8 bytes
my $initb = join ('', map { chr $_ } (85, 83, 66, 67, 0, 64, 2, 0));
my $command_fill = join ('', map { chr $_ } ( 8, 8,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0)); # 58 bytes
# command_string entries are 6 + 58 (64) bytes long.
$command_string->{stop} = join('', map { chr $_ } ( 0, 0, 0, 0, 0, 0)).$command_fill;
$command_string->{left} = join('', map { chr $_ } ( 0, 1, 0, 0, 0, 0)).$command_fill;
$command_string->{right} = join('', map { chr $_ } ( 0, 0, 1, 0, 0, 0)).$command_fill;
$command_string->{up} = join('', map { chr $_ } ( 0, 0, 0, 1, 0, 0)).$command_fill;
$command_string->{down} = join('', map { chr $_ } ( 0, 0, 0, 0, 1, 0)).$command_fill;
$command_string->{leftup} = join('', map { chr $_ } ( 0, 1, 0, 1, 0, 0)).$command_fill;
$command_string->{rightup} = join('', map { chr $_ } ( 0, 0, 1, 1, 0, 0)).$command_fill;
$command_string->{leftdown} = join('', map { chr $_ } ( 0, 1, 0, 0, 1, 0)).$command_fill;
$command_string->{rightdown} = join('', map { chr $_ } ( 0, 0, 1, 0, 1, 0)).$command_fill;
$command_string->{fire} = join('', map { chr $_ } ( 0, 0, 0, 0, 0, 1)).$command_fill;
return -1 unless exists $command_string->{$command};
#print STDERR $command,"\n";
$self->{dev}->control_msg(0x21,9,0x2,0x01,$inita,8,$timeout);
sleep 1;
$self->{dev}->control_msg(0x21,9,0x2,0x01,$initb,8,$timeout);
sleep 1;
$self->{dev}->control_msg(0x21,9,0x2,0x0,$command_string->{$command},64,$timeout);
}
1;