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#!/usr/bin/perl
# Copyright (c) 2014  Timm Murray
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without 
# modification, are permitted provided that the following conditions are met:
# 
#     * Redistributions of source code must retain the above copyright notice, 
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright 
#       notice, this list of conditions and the following disclaimer in the 
#       documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.
use v5.14;
use warnings;
use UAV::Pilot::ARDrone::Driver;

my $HOST        = shift || '192.168.1.1';
my $PORT        = shift || UAV::Pilot::ARDrone::Driver->ARDRONE_PORT_CTRL;
my $SOCKET_TYPE = UAV::Pilot::ARDrone::Driver->ARDRONE_PORT_CTRL_TYPE;

# This all should work, but doesn't.  Seems that the current AR drone is bugged.  See:
#
# https://projects.ardrone.org/boards/1/topics/show/5216
# https://projects.ardrone.org/boards/1/topics/show/3453
#
local $| = 1; # Autoflush

my $in = IO::Socket::INET->new(
    Proto     => $SOCKET_TYPE,
    LocalPort => $PORT,
    Port      => $PORT,
) or die "Could not open socket on port $PORT: $!\n";
print $in "AT*CTRL=0," . UAV::Pilot::ARDrone::Driver->ARDRONE_CTRL_GET_CONFIG . ",0\r";

while( <$in> ) {
    print;
}

$in->close;