David, on Tue 15 Nov 2016 14:54:28 -0500, wrote: > The slip driver looks to me like a good place to start. That's an instance of line discipline, yes. > It does most of what I want as far as tty manipulation etc. But it lacks what I mentioned in my other thread: actually opening the serial port from the kernel itself. In slirp it's a userland process which does this. That's the tricky part which will probably need some changes to the rest of the kernel. Samuel _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup