Here's a couple links I forgot to add to my post:

MicroPython: http://micropython.org/

NanoSeeker (one of my robots):
http://blog.huv.com/2014/10/nanoseeker-v21-populated-board.html

- Jon


On Thu, Feb 19, 2015 at 12:57 PM, Jon Hylands <jon at huv.com> wrote:

> I'd really like to see a pared-down version of Squeak that would fit on
> the same hardware that MicroPython runs on (a Cortex M4 chip running at 168
> MHz, with 192 KB of RAM and 1 MB of FLASH). Maybe something like Little
> Smalltalk. No user interface beyond a simple REPL.
>
> I've got a couple robots being controlled now with custom boards I
> designed running MicroPython on this chip.
>
> - Jon
>
>
> On Thu, Feb 19, 2015 at 10:59 AM, Eliot Miranda <eliot.miranda at gmail.com>
> wrote:
>
>> Tim,
>>
>>     what about a SqueakNOS approach.  What software support is there?
>> Xen etc...
>>
>> Eliot (phone)
>>
>> On Feb 17, 2015, at 9:59 AM, tim Rowledge <tim at rowledge.org> wrote:
>>
>> >
>> > On 17-02-2015, at 2:44 AM, Herbert König <herbertkoenig at gmx.net> wrote:
>> >
>> >> Hi,
>> >>
>> >> unless we run under a real time OS the OS will prevent a process from
>> getting CPU cycles for arbitrary timespans.
>> >
>> > There are bare-metal kernels for Pi, and RISC OS, which whilst not
>> strictly speaking RTOS is pretty damn close. If you run Squeak on RISC OS
>> with no other apps you can get consistent sub-millisecond ticks etc. Linux
>> does quite a few useful things but the more I work on the Pi the more I
>> appreciate how many deeply annoying things it does too.
>> >
>> >
>> > tim
>> > --
>> > tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
>> > Useful random insult:- Paralyzed from the neck up.
>> >
>> >
>> >
>>
>>
>
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