<div dir="ltr"><div><div><div>Where can I find the Teensy porting effort?<br>I have been working on porting RIOT to the K60 in my spare time. Both the K20 and the K60 are Freescale ARM Cortex M4 MCUs and I think it would probably be worthwhile to share code between us. I have based my port off the stm32f4 and stm32f1 cpus, stm32f4discovery and iot-lab_m3 board implementations but that's mostly only the code skeleton since all peripherals are different.<br>

<br></div>You can find my efforts at <a href="https://github.com/gebart/RIOT/tree/mulle">https://github.com/gebart/RIOT/tree/mulle</a><br><br></div><div>So far GPIO, timer (PIT), UART is working. I am currently working on the SPI. The hello world example works on my Mulle board.<br>

<br></div>I have not made any meaningful commit messages because I did not think I would share it before finishing the work. I intend to rebase and squash them all when I have something somewhat better working. I do not know when I will have time to finish this port since I am doing it in my free time.<br>

<br></div>Best regards,<br></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:medium;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="border-collapse:separate;font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word">

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<div style="font-size:medium"><font size="1" color="#004af7"><font>Joakim Gebart</font><br>Sof<font size="1">tware <font size="1">and Hardware En<font size="1">gineer</font></font></font><br>Eistec AB</font></div><div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal">

<font size="1" color="#004af7"><br></font></div><div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal"><font size="1" color="#004af7">Aurorum 1C</font></div><div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal">

<font size="1" color="#004af7">977 75 Luleå</font></div></div></span></div></span></div></span></div></span></div></span></div></span><span style="color:rgb(0,74,247);font-size:x-small">Tel: <a value="+46706831624">+46(0)70-570 66 35</a></span><span style="border-collapse:separate;font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word">

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<div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal"><font size="1" color="#004af7"><a href="mailto:joakim.gebart@eistec.se" target="_blank">joakim.gebart@eistec.se</a></font></div><div style="font-style:normal;font-size:medium;font-family:Helvetica;font-weight:normal">

<font size="1" color="#004af7"><a href="http://www.eistec.se" target="_blank">www.eistec.se</a> <br></font></div></div></span></div></span></div></span></div></span></div></span></div></span></span></div></div>
<br><br><div class="gmail_quote">On Tue, Sep 2, 2014 at 11:16 AM, Hauke Petersen <span dir="ltr"><<a href="mailto:hauke.petersen@fu-berlin.de" target="_blank">hauke.petersen@fu-berlin.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Hi David,<br>
<br>
the below mentioned board should work just fine with RIOT - the porting effort left to do is as Kevin mentioned the implementation of the peripheral drivers. We also planned support for the Teensy 3.1 board [1], which uses a very similar MCU. Thomas once started this work, but I don't know how far he got (since it's his side project...).<br>


<br>
Best,<br>
Hauke<br>
<br>
[1] <a href="https://www.pjrc.com/teensy/teensy31.html" target="_blank">https://www.pjrc.com/teensy/<u></u>teensy31.html</a><div class="HOEnZb"><div class="h5"><br>
<br>
<br>
On 02.09.2014 02:33, David Lyon wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On 2014-09-01 20:48, ROUSSEL Kévin wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
..<br>
Having less than 1 Kb of RAM is clearly a show-stopper here: since<br>
RIOT is a true multitasking OS, you need to have a certain amount of<br>
RAM (circa 200 bytes) per task (thread), plus half a kilobyte for the<br>
interrupt-management system.<br>
..<br>
</blockquote>
<br>
That's fine. I completely understand.<br>
<br>
What about these though?<br>
<br>
 - <a href="http://au.element14.com/jsp/search/productdetail.jsp?SKU=2191861&MER=BN-EN-SER-2191861" target="_blank">http://au.element14.com/jsp/<u></u>search/productdetail.jsp?SKU=<u></u>2191861&MER=BN-EN-SER-2191861</a><br>


<br>
I'm not sure if you have them in Germany. They're not sold in big numbers here but they look like they have got all the processing power at a good price. There is an accelorometer and an RGB-LED. I don't believe it would be that difficult to add some network interfaces to these.<br>


<br>
Regards<br>
<br>
David<br>
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