<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 14, 2023 at 2:09 AM Christian MAUDERER <<a href="mailto:christian.mauderer@embedded-brains.de">christian.mauderer@embedded-brains.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello Jacob,<br>
<br>
On 2023-07-14 08:36, Christian MAUDERER wrote:<br>
> Hello Jacob,<br>
> <br>
> On 2023-07-13 18:59, Jacob Killelea wrote:<br>
>> Hi Christian,<br>
>><br>
>> This looks awesome! Do you have any interest in adding support for the <br>
>> i.MXRT1062 based Teensy 4.0 and Teensy 4.1?<br>
>><br>
>> - Jacob<br>
> <br>
> the Teensy look like interesting boards. Maybe a bit low on memory. That <br>
> would make it difficult to run libbsd on them. The boards don't have <br>
> network, so it's not a problem for the network part. But on the i.MXRT, <br>
> I also use the MMC/SD stack from libbsd so the SD card would be a problem.<br>
> <br>
<br>
Just noted: The Teensy 4.1 has an optional Ethernet. So some network <br>
library would be good. But like I said: The target has too few memory <br>
for libbsd. lwIP would be a candidate. But I haven't tried that on the <br>
i.MXRT yet.<br></blockquote><div><br></div><div>The specs say 1984K Flash, 1024K RAM which means it will be quite </div><div>close with lwip for a RAM-based run. Kinsey did some lwip size estimates</div><div>based on a Beagle build but AFAIK no one has tried to squeeze it hard.</div><div><br></div><div>Probably running from flash would not be a huge challenge with lwip. Much</div><div>more RAM left to play with.</div><div><br></div><div>--joel</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Best regards<br>
<br>
Christian<br>
<br>
> On the Teensy 4.1, the two memories (optional Flash and optional PSRAM) <br>
> on the FlexSPI maybe can be a bit tricky.<br>
> <br>
> These boards would be pure hobby time. I don't think that I will find <br>
> enough time to fully support the boards at the moment. But I would <br>
> expect that the basics should work with the i.MXRT1052 BSP already. The <br>
> 1050 and 1060 family is quite similar. If you want, I can give you some <br>
> guidance what would be necessary to support the boards.<br>
> <br>
> Best regards<br>
> <br>
> Christian<br>
<br>
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