Thanks for posting your slides and other work Brian.

On Wed, Dec 30, 2015 at 5:22 PM, Brian L. Stuart <blstuart@bellsouth.net> wrote:
On Wed, 12/30/15, Skip Tavakkolian <9nut@9netics.com> wrote:
> > - Enhancements for I2C and SPI
>
> is there an updated devrtc3231.c, or a conventional user space
> fs, that uses the new i2c?

Yes, there's a devi2c userland interface ported over from Inferno.
That's what's being used to drive the robot in the video clip.

BLS