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LG WebOS smart TV remote control terminal program and Go library package (golang)

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webostv - Go package for controlling LG WebOS TV

GoDoc

This is Go library and a terminal application for remote control of LG WebOS smart televisions. Works on Linux and Windows and probably on OS X as well. It has been tested with LG 42LB650V-ZN television.

Installing and using the remote control application

Download pre-built executable binary for your OS/architecture from: https://github.com/snabb/webostv/releases

Run the downloaded application in a terminal window. On Linux, add execute permissions after downloading (chmod 755 webostvremote-linux-amd64). The IP address or name of the TV can be given as a command line argument:

./webostvremote 192.0.2.123

If the address is not supplied, it will try to connect to the default address LGsmartTV.lan.

Building the remote control application from source

Install Go compiler if you do not have it:

curl https://dl.google.com/go/go1.12.linux-amd64.tar.gz | sudo tar xzC /usr/local
PATH=$PATH:/usr/local/go/bin

(See https://golang.org/dl/ for newer version and more detailed instructions.)

Compile:

git clone https://github.com/snabb/webostv.git
cd webostv
go build ./cmd/webostvremote

The compiled binary webostvremote is produced in the current working directory. If there are errors, try again with up-to-date Go compiler version.

Simple example of using the library to turn off the TV

package main

import "github.com/snabb/webostv"

func main() {
	tv, err := webostv.DefaultDialer.Dial("LGsmartTV.lan")
	if err != nil {
		panic(err)
	}
	defer tv.Close()
	go tv.MessageHandler()

	_, err = tv.Register("")
	if err != nil {
		panic(err)
	}

	err = tv.SystemTurnOff()
	if err != nil {
		panic(err)
	}
}

Unimplemented / TODO

webostv library

  • Documentation.
  • Consider the method names, some could be shortened.
  • PIN based pairing.
  • UPnP discovery?
  • Add missing subscriptions?
  • Play media?

webostvremote application

  • Documentation.
  • Volume mute.
  • Make "store" a separate generic package (or find pre-existing one).
  • Make it look better.
    • Colors.
    • Clarify channel + program info etc.
  • Error popup?
  • Program guide.
  • TV mouse control.
  • TV keyboard input.
  • Play media?

License

MIT

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LG WebOS smart TV remote control terminal program and Go library package (golang)

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