[BRLTTY] qemu/vmware/... virtual braille devices?

[Samuel Thibault]

Jason White, le Sat 07 Apr 2007 20:46:14 +1000, a écrit :
> On Sat, Apr 07, 2007 at 11:37:07AM +0200, Samuel Thibault wrote:
>  
> > And that's precisely what brlapi is meant for, and that already works.
> 
> Exactly, and now I think I understand the proposal - negotiate access to the
> physical hardware over a network socket, with each BRLTTY instance being a
> client that interacts with a virtual device.

More precisely, that's qemu which really is the client, but yes.

> I expect you would prefer a protocol (such as Baum escape protocol) that could
> enter a "power-down" (i.e., inactive) state whenever another instance is
> accessing the real hardware.

There is no real need for such feature. The brltty instances may think
they are the only permanent user of the virtual braille device, that's
fine (just like X instances believe they are the only permanent user of
the virtual video board).

Samuel