glowell@hpcupt1.HP.COM (Gary Lowell) (03/05/88)
Greetings - I would like to write a more efficient tty driver for my PC, an AT&T 6300 PLUS running SVR2. The I/O board I am building will support 4 ports and have a small buffer. I have found several references to writing generic tty drivers that interrupt on each character, but that is what I don't want to do. I am looking for furthur information regarding using polling, DMA, and generally tweaking tty device drivers, as well as line discipline and modem control. I am aware of several products on the market that do this already, but my objective is as much learning, as anything else. Any help will be greatly appreciated. --- Gary Lowell (408) 447-7997 {hplabs,uunet}!hpda!glowell