Instructions for building and running RTEMS on the Raspberry Pi

[Mathew Benson]

Just for clarification, the Pi has 4 PWM GPIO but only 1 of those is hardware supported, correct?  That's why I selected out the Pi for my project.

Sent from my iPhone

On Apr 6, 2013, at 8:56 AM, Joel Sherrill <joel.sherrill at oarcorp.com> wrote:

> On 4/6/2013 4:07 AM, Pierre Ficheux wrote:
>> Great work Alan :)
>> 
>> I have ACT led blinking (GPIO #16) on the RPi :) I will add a GPIO driver if not already done.
> Very cool!
> 
> I have a git module that is a work in process for analog and discrete I/O
> support. It has a single method way of providing the device interface.
> Layered on top of that are standard methods for the application and
> some really handy shell commands for driving outputs and reading inputs.
> 
> There is support for two PC-104 multi-IO boards now.
> 
> The API is currently minimal. I know OAR has another older library
> called "HW API" which also provides the ability to have a task in the background
> polling at a fixed rate and all I/O is updated at that rate. It also had abstraction
> helpers like "relay" which abstracted "open" and "close" into the bit signals.
> 
> I would love to see this code get feedback and grow into something the
> Community wants to use. It would give us a standard API at the application
> level for the discrete i/O and analog I/O portions of the stuff we encounter.
>> ----- Mail original -----
>>> De: "Alan Cudmore" <alan.cudmore at gmail.com>
>>> À: rtems-users at rtems.org
>>> Envoyé: Vendredi 5 Avril 2013 17:37:22
>>> Objet: Instructions for building and running RTEMS on the Raspberry Pi
>>> 
>>> 
>>> 
>>> Hi,
>>> I wanted to post an announcement over on the Raspberrypi.org forums
>>> about the RTEMS BSP that is in the git head.
>>> 
>>> 
>>> Since it take a little bit of work to get an RTEMS development
>>> environment up and running, I thought I would put together a short
>>> introduction to RTEMS and a set of instructions on getting an RTEMS
>>> environment working for the Raspberry Pi BSP.
>>> 
>>> 
>>> The instructions are centered around Ubuntu 12.10 using the RTEMS
>>> Source builder tool, but I have also put up an entry on how to setup
>>> the compiler on Windows 7.
>>> 
>>> 
>>> I have an RTEMS 4.11 development environment working on Ubuntu 12.10
>>> with the source builder toolchain, on CentOS 6.4 with the RTEMS
>>> toolchain RPMs, and on Windows 7 with the RTEMS Mingw-w64 tools.
>>> 
>>> 
>>> The instructions are hosted here:
>>> http://alanstechnotes.blogspot.com/2013/03/rtems-on-raspberry-pi.html
>>> 
>>> 
>>> 
>>> Alan
>>> 
>>> 
>>> _______________________________________________
>>> rtems-users mailing list
>>> rtems-users at rtems.org
>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>> 
> 
> 
> -- 
> Joel Sherrill, Ph.D.             Director of Research & Development
> joel.sherrill at OARcorp.com        On-Line Applications Research
> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
> Support Available                (256) 722-9985
> 
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