<div dir="ltr">Here's a couple links I forgot to add to my post:<div><br></div><div>MicroPython: <a href="http://micropython.org/">http://micropython.org/</a></div><div><br></div><div>NanoSeeker (one of my robots): <a href="http://blog.huv.com/2014/10/nanoseeker-v21-populated-board.html">http://blog.huv.com/2014/10/nanoseeker-v21-populated-board.html</a></div><div><br></div><div>- Jon</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 19, 2015 at 12:57 PM, Jon Hylands <span dir="ltr"><<a href="mailto:jon@huv.com" target="_blank">jon@huv.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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.<div><br></div><div>I've got a couple robots being controlled now with custom boards I designed running MicroPython on this chip.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>- Jon</div><div><br></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 19, 2015 at 10:59 AM, Eliot Miranda <span dir="ltr"><<a href="mailto:eliot.miranda@gmail.com" target="_blank">eliot.miranda@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Tim,<br>
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what about a SqueakNOS approach. What software support is there? Xen etc...<br>
<br>
Eliot (phone)<br>
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On Feb 17, 2015, at 9:59 AM, tim Rowledge <<a href="mailto:tim@rowledge.org" target="_blank">tim@rowledge.org</a>> wrote:<br>
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> On 17-02-2015, at 2:44 AM, Herbert König <<a href="mailto:herbertkoenig@gmx.net" target="_blank">herbertkoenig@gmx.net</a>> wrote:<br>
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>> Hi,<br>
>><br>
>> unless we run under a real time OS the OS will prevent a process from getting CPU cycles for arbitrary timespans.<br>
><br>
> 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.<br>
><br>
><br>
> tim<br>
> --<br>
> tim Rowledge; <a href="mailto:tim@rowledge.org" target="_blank">tim@rowledge.org</a>; <a href="http://www.rowledge.org/tim" target="_blank">http://www.rowledge.org/tim</a><br>
> Useful random insult:- Paralyzed from the neck up.<br>
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