[Techteam] XO-1.75 OpenFirmware serial terminal

[James Cameron]

On Wed, Mar 28, 2012 at 09:50:07AM -0400, Martin Langhoff wrote:
> On Tue, Mar 27, 2012 at 5:52 AM, James Cameron <quozl at laptop.org> wrote:
> > This is a serial terminal implementation for an XO-1.75 using Open
> > Firmware.
> >
> > Allows a laptop to be a host for a target laptop through a crossover
> > cable.
> 
> That's a very cool trick. So only XO-1.75 can be the host, but any XO
> model can be the target?

The latest version 2d57785 works on XO-1, XO-1.5, and XO-1.75 as the
host, and any XO can be the target.

It can also send a BREAK, for kernel SysRq or Open Firmware keyboard
interrupt ... although the Open Firmware support for BREAK recognition
was missing on XO-1.75.  Fixed in svn 2932.

References:

http://wiki.laptop.org/go/Serial_adapters#Open_Firmware
http://dev.laptop.org/git/users/quozl/olpc-firmware-terminal.git/
git://dev.laptop.org/users/quozl/olpc-firmware-terminal.git

-- 
James Cameron
http://quozl.linux.org.au/