RS-232 driver for GPIO

[Adrian Chadd]

... 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".

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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