Date: Tue, 14 May 2013 19:24:48 +0300 From: Aleksandr Rybalko <ray@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: RS-232 driver for GPIO Message-ID: <20130514192448.7b48e095.ray@freebsd.org> In-Reply-To: <CAJ-Vmo=ZzAOyy9hWzMDw7bt9=nxsEzyAJnScgL-3NFfzcf7RXA@mail.gmail.com> References: <CAB3ij4AzL8B6nS1kFa%2BgjmAVEOE8qO7UwPv_vBzRPn1sUNYuDQ@mail.gmail.com> <CAJ-Vmo=ZzAOyy9hWzMDw7bt9=nxsEzyAJnScgL-3NFfzcf7RXA@mail.gmail.com>
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On Tue, 14 May 2013 09:06:44 -0700 Adrian Chadd <adrian@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@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 > > _______________________________________________ > > freebsd-arm@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > > To unsubscribe, send any mail to > > "freebsd-arm-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" -- Aleksandr Rybalko <ray@freebsd.org>
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