RS-232 driver for GPIO

[Tom Everett]

ok so the FDT definition would have to be added here?

http://svnweb.freebsd.org/base/head/sys/boot/fdt/dts/bcm2835-rpi-b.dts?view=markup



On Tue, May 14, 2013 at 10:24 AM, Aleksandr Rybalko <ray at freebsd.org> wrote:

> On Tue, 14 May 2013 09:06:44 -0700
> Adrian Chadd <adrian at freebsd.org> wrote:
>
> > ... the r-pi actually has an RS232 port exposed via GPIO. It's only
> > 3.3v but it's there.
> >
> > Someone just needs to write up an SIO driver for it and then put the
> > GPIO pins in question into RS232 "mode".
>
> we have it already :) (console works on uart)
> only FDT definition is required.
> And maybe some fixes for boudrate setting and/or format setup
> (bits/parity/stop bits/etc)
>
> >
> > Yay multi-function GPIO pins!
> >
> >
> >
> > adrian
> >
> >
> > On 14 May 2013 08:58, Tom Everett <tom at khubla.com> wrote:
> > > Good morning ARM mailing list.
> > >
> > > I've been running FreeBSD on my Pi, and I've now got two XBee Pros
> > > which I hope to connect.  XBee's communicate over RS-232.
> > >
> > > https://www.sparkfun.com/products/8742
> > >
> > > I see from the source tree that it was possible to attach the iic
> > > driver to GPIO pins in software:
> > >
> > > http://svnweb.freebsd.org/base/head/sys/dev/gpio/gpioiic.c?view=markup
> > >
> > > I'm wondering, it is possible to connect the FreeBSD serial driver
> > > for RS-2332 to GPIO in a similar way to how iic was connected?
> > >
> > >
> > >
> > > --
> > > A better world shall emerge based on faith and understanding  -
> > > Douglas MacArthur
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>
> --
> Aleksandr Rybalko <ray at freebsd.org>
>



-- 
A better world shall emerge based on faith and understanding  - Douglas
MacArthur