No, I think it's not good place to search washer machine hacks...It's cool to handle that options. But it's better to produce your machine brain via microcontrollers like PIC or AVR....
Reverse Engineering samsungs firmware is harder job I guess. I don't think if you could download/find those machines firmwares too....
wxHexEditor
DivFix++ AVI Fix
Meteorite MKV Repair