HouseMistress LG TV perl client and server
This is a server for LG TV model 42LG6100 [ local copy of the manual ] which just so happens to have an RS232 port - and the protocol is documented.
Copyright 2011 © Iain Fothergill
This software is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this software. If not, see http://www.gnu.org/licenses/..
I wrote this for my TV - it might work for yours...