[BRLTTY] Inka's non-standard flow control
Nicolas Pitre
nico at cam.org
Sun Apr 23 13:41:42 EDT 2006
On Sun, 23 Apr 2006, Samuel Thibault wrote:
> Hi,
>
> Samuel Thibault, le Sat 22 Apr 2006 00:01:30 +0200, a écrit :
> > Getting back to a quite old discussion:
> >
> > Dave Mielke, le Tue 26 Jul 2005 06:45:23 -0400, a écrit :
> > > [quoted lines by Samuel Thibault on 2005/07/26 at 10:15 +0200]
> > > >Do you have information about the non-standard flow control that
> > > >Inka uses ?
> > >
> > > Yes. The display must strobe CTS after each character sent by the PC, and the
> > > PC must strobe RTS after each character sent by the display.
> >
> > How long does the strobe need to at least be?
>
> If you don't have a precise answer right now, do you at least have a
> order of magnitude? (microseconds? milliseconds?)
>
> I need this information for deciding how to implement this in Linux.
Do it in user space. Please.
Nicolas
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