<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Ivan Krstić wrote:
<blockquote cite="mid459437ED.8020609@solarsail.hcs.harvard.edu"
type="cite">
<pre wrap="">Gabor Dolla wrote:
</pre>
<blockquote type="cite">
<pre wrap="">- The goal to have an open source solution. If the code will be free and
available what is the purpose of NDA ?
</pre>
</blockquote>
<pre wrap=""><!---->
The meshing code is inextricable from the RTOS currently used, which is
commercial and proprietary. The RTOS is thus delivered as part of the
meshing code for porting, and protecting the RTOS requires an NDA.
</pre>
</blockquote>
<br>
The rtos is threadx ?<br>
<blockquote cite="mid459437ED.8020609@solarsail.hcs.harvard.edu"
type="cite">
<pre wrap="">
</pre>
<blockquote type="cite">
<pre wrap="">- Marvell would hand over the full specs of the chip including the radio
part ? AFAIK usually the radio part is kept as a secret to make
regulators happy,,, Or the radio part would be in binary format ?
</pre>
</blockquote>
<pre wrap=""><!---->
Still being discussed.
</pre>
<blockquote type="cite">
<pre wrap="">- 802.11 b/g is also implemented in software as in recent prism54 chips
(soft MAC)? The open source solutions should cover that part too ?
</pre>
</blockquote>
<pre wrap=""><!---->
Not sure about this bit. Michalis?
</pre>
<blockquote type="cite">
<pre wrap="">- An underlying OS (ticket suggest TinyOS) is really needed ?
</pre>
</blockquote>
<pre wrap=""><!---->
Yes. I've recently received the suggestion that eCos, which is GPL'd,
can be used for this purpose.
</pre>
</blockquote>
There is also free rtos - freertos.org<br>
<br>
Which has a port for arm9 (ports for arm7 as well) already like ecos
does but the footprint is a bit smaller<br>
than ecos. Gives the choice of pre-emptive and co-operative real time
kernels<br>
<br>
Its available under a modified gpl<br>
<a class="moz-txt-link-freetext" href="http://www.freertos.org/a00114.html">http://www.freertos.org/a00114.html</a><br>
<br>
Alex<br>
<blockquote cite="mid459437ED.8020609@solarsail.hcs.harvard.edu"
type="cite">
<pre wrap="">
</pre>
<blockquote type="cite">
<pre wrap="">- 802.11s or batman is preferred ?
</pre>
</blockquote>
<pre wrap=""><!---->
We've chosen to go with 802.11s.
</pre>
<blockquote type="cite">
<pre wrap="">- 802.11i is in the scope ?
</pre>
</blockquote>
<pre wrap=""><!---->
Not initially, as far as I know.
</pre>
</blockquote>
<br>
</body>
</html>