Rover 5 control panel

Hello! Sorry i bad speak english.
I have a diploma project with robotino. The task is to write a remote control to move forward, back, to the right, to the left in MatLab program. But I do not know how to do it, maybe anyone have an example of the program?

Previous matlab discussions.

https://www.google.com/search?hl=en&as_q=matlab&as_epq=&as_oq=&as_eq=&as_nlo=&as_nhi=&lr=&cr=&as_qdr=all&as_sitesearch=http%3A%2F%2Farduino.cc%2Fforum%2F&as_occt=any&safe=images&tbs=&as_filetype=&as_rights=

The object of study is the Rover 5. As a control device controller is used Orangutan SVP-324p-based microcontroller
ATmega324p from Atmel. The problem is that to write a simple remote controls (forward, backward, left, right), preferably in an environment Matlab guide user interface.