i figured out that if I try to
activate the backlight whether or not I disabled the backlight, the keyboard stops responding.

any clues?

Ok, this is what i have, but it'll run the first command and then halt. and won't do anyting else. wierd. I know i'm positing too mutch to my own post, but i just want to give you guys the whole picture so you can help me better! Thankx guys! while(a!='H'){if(read(moC->fd,&a,1)==1){ if(a=='M'){ ...

don't worry, I think I figured it out.

this is what I have.
while(a!='H'){
if(read(moC->fd,&a,1)==1){cout<<a<<endl;
}

any better way to do it with buffers?

I'm writing a little linux control utility for my lcd. I've got a a LK202-25. I've got most of the functions already implemented. But I want to be able to read from the keypad (up,down,left,right,enter,f1,f2). I don't really understand the poll_keyboard feature. Could someone explain this to me? cur...