<?php

require 'config.php';

if ( !isset($_REQUEST['color']) ) exit();
$hex = $_REQUEST['color'];

$command = 0x01;
$target = LEDTARGETID;
$unique = mt_rand(1, 2000000000);
$red = hexdec(substr($hex, 0, 2));
$green = hexdec(substr($hex, 2, 2));
$blue = hexdec(substr($hex, 4, 2));

$target = ($target > 0 ) ? 2 ** ($target - 1) : 0;
$data = pack("CQLLCCC", $command, $target, $unique, 1000, $red, $green, $blue);

$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
socket_set_option($sock, SOL_SOCKET, SO_BROADCAST, 1);
for ( $i=0; $i<3; $i++ ) {
   socket_sendto($sock, $data, strlen($data), 0, LEDADDRESS, 6565);
   if ( $i < 2 ) usleep(10000);
}
socket_close($sock);

?>