Raspberry PI

Angelo Fraietta newsgroups at smartcontroller.com.au
Thu Jan 18 00:19:54 UTC 2018

OK - thanks for that. It may be worth looking into this and treating this
as part of research output to justify my playing with it.

On Wed, Jan 17, 2018 at 5:28 PM, William Busacker <wbusacker at outlook.com>

> Angelo,
> As far as I know, there are very few people using RTEMS on a Raspberry
> Pi Zero (truly a shame to be honest). A few people here and there that
> I've found scattered through the mailing list archives, but a lot of
> their effort was put towards building the BSP foundation and not
> actually using it. The Google Summer of Code project had a few students
> work on implementing the BSP as well which is where most of the
> peripheral connectivity was done.
> Most of the GPIO stuff that you'd expect has been finished. Pin control,
> I2C, and SPI all work. SPI could use some extra work however, but if you
> play around with it enough it'll go. I've been having all sorts of "fun"
> getting it working and seriously need to put together some documentation
> on what could be considered strange behavior and how to get it working
> in the first place since that isn't well documented. I don't think
> hardware PWM works unfortunately (not that I've tried). The boot SD card
> isn't mountable either. Can see it and read it, but mounting as part of
> the file system doesn't work. I've been meaning to take a crack at that
> but don't have the time.
> If you haven't run across it already Alan put together a guide a few
> years ago going over how to build and setup an RTEMS toolchain here
> http://alanstechnotes.blogspot.com/2013/03/rtems-on-raspberry-pi.html?m=1
> for the RPi specifically. Just watch out for version numbers and git
> repo locations. Some things have been moved around since he made that
> blogpost but the RTEMS getting started page should patch the errors for
> you.
> The only projects that I know of using RTEMS on RPi are a kernel image
> project that Alan had worked on and the project that I am working on
> which is an active controlling flight computer for high power rockets.
> - Will B.
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