potential GSOC project: Improve the Raspberry Pi BSP

[Andre Marques]

On 03/20/14 19:04, Joel Sherrill wrote:
> On 3/20/2014 1:48 PM, Gedare Bloom wrote:
>> On Thu, Mar 20, 2014 at 2:13 PM, Andre Marques
>> <andre.lousa.marques at gmail.com> wrote:
>>> On 03/20/14 13:58, Gedare Bloom wrote:
>>>> Andre and Alan,
>>>> I would be interested in seeing something like...
>>>> rtems_spi_initialize(&spi_handle)
>>>> rtems_spi_write(&spi_handle, data)
>>>> rtems_spi_read(&spi_handle, &data)
>>>> rtems_spi_ioctl(&spi_handle, &spi_control)
>>>> or something similar, where spi can be replaced with i2c,  gpio, 1-wire,
>>>> etc.
>>>>
>>>> Something more generic might even work, like
>>>> rtems_bus_initialize(BUS_TYPE_SPI, &bus_handle, ...)
>>>> rtems_bus_write(&bus_handle, data)
>>>> etc.
>>>>
>>>> This interface should "cover" the cpukit/libi2c,
>>> cpukit/libi2c already provides those methods as rtems_libi2c_*, and the type
>>> of bus (i2c or spi) can be specified. The libi2c API separates the low level
>>> driver (board dependent) of the high level driver (device dependent). In
>>> this way every BSP only need to provide the low level driver, as the device
>>> drivers using the i2c or spi buses can be reused.
>>>
>>> Not sure about what you meant with covering the libi2c.
>>>
>> OK good it sounds like libi2c has much of the "generic" part taken care of.
>>
>>> GPIO seems to lack a generic interface in rtems, so I will think of one.
>>>
>> Good.
> Please use this as a starting point for the API work.
>
> http://git.rtems.org/multiio/
>
> It includes driver code for two PC-104 multi IO cards, a start at a
> driver/library abstraction interface, and shell commands get and
> set analogs and discretes.
>
> This code may be far from perfect from a "univeral RTEMS interface
> view" but it is fielded. And we have one of the boards here in the
> lab.

It is getting late here (almost midnight) but I don't know if I have the 
time to do this planning in time for the proposal submition deadline.

If you can review the current proposal see

https://docs.google.com/document/d/13HiNH_EjnzbA3HJ86Cmd2Ooi0YOsehSGkTILD_M-REw

>> -Gedare
>>
>>>>    and be implemented in
>>>> RPi as an example. then, any BSP that implements this interface can
>>>> support the applications that use it.
>>>> -Gedare
>>>>
>>>> On Thu, Mar 20, 2014 at 5:36 AM, Andre Marques
>>>> <andre.lousa.marques at gmail.com> wrote:
>>>>> On 03/20/14 02:21, Alan Cudmore wrote:
>>>>>
>>>>> Interesting idea.
>>>>> Part of this may be done:
>>>>> GPIO : Can start with Pierre's implementation
>>>>> i2c: Isn't there a libi2c already?
>>>>> SPI: ?
>>>>>
>>>>>
>>>>> cpukit/libi2c also deals with SPI.
>>>>>
>>>>> It is also implemented on the FreeBSD port to RPi
>>>>>
>>>>>
>>>>> https://github.com/freebsd/freebsd/blob/master/sys/arm/broadcom/bcm2835/bcm2835_spi.c
>>>>>
>>>>> and more info can be found at
>>>>>
>>>>> http://elinux.org/RPi_SPI
>>>>>
>>>>>
>>>>> SD card: ? There should be at least one example to follow in the ARM
>>>>> tree.
>>>>>
>>>>> Framebuffer: I think this is well defined.
>>>>>
>>>>>
>>>>> Alan
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Mar 19, 2014 at 7:59 PM, Gedare Bloom <gedare at rtems.org> wrote:
>>>>>> On Wed, Mar 19, 2014 at 7:04 PM, Joel Sherrill
>>>>>> <joel.sherrill at oarcorp.com> wrote:
>>>>>>> On 3/19/2014 4:18 PM, Pierre Ficheux wrote:
>>>>>>>> Hi Alan,
>>>>>>>>
>>>>>>>> ----- Mail original -----
>>>>>>>>> De: "Alan Cudmore" <alan.cudmore at gmail.com>
>>>>>>>>> À: "Pierre Ficheux" <pierre.ficheux at openwide.fr>
>>>>>>>>> Cc: "Andre Marques" <andre.lousa.marques at gmail.com>,
>>>>>>>>> rtems-users at rtems.org
>>>>>>>>> Envoyé: Mercredi 19 Mars 2014 22:10:50
>>>>>>>>> Objet: Re: potential GSOC project: Improve the Raspberry Pi BSP
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hi Pierre,
>>>>>>>>> We hope to use your GPIO implementation for this project. Any
>>>>>>>>> problems with incorporating it into the BSP?
>>>>>>>> No problem at all.
>>>>>>>>
>>>>>>>>> For the USB and MMC support, the u-boot code would be nice, but it is
>>>>>>>>> GPL and not compatible with the RTEMS libraries. But it could serve
>>>>>>>>> as a reference.
>>>>>>>> I'm not aware of RTEMS licensing issue :) I know it's GPL with linking
>>>>>>>> exception but what's the problem with "libraries" ?
>>>>>>> Ultimately, everything is statically linked together. So the license of
>>>>>>> a library
>>>>>>> could virally impact the license of all users.
>>>>>>>
>>>>>>> Ideally this support would be part of the BSP.
>>>>>>>
>>>>>>> There is a proposed API and simple driver model for analogs and
>>>>>>> discrete
>>>>>>> IO
>>>>>>> in RTEMS git in another git module. It includes some shell commands to
>>>>>>> assist
>>>>>>> in debugging and playing with IO settings.
>>>>>> Would adding "generic" RTEMS interfaces for GPIO, i2c, SPI, and SD
>>>>>> card with example implementations in Raspberry Pi be feasible and
>>>>>> interesting?
>>>>>>
>>>>>> -Gedare
>>>>>>
>>>>>>>>> Also, I am not sure how to approach the USB and network
>>>>>>>>> implementation. For example, we could probably get the Ethernet to
>>>>>>>>> work, and the USB code would just be "a bunch of files" in the
>>>>>>>>> ethernet driver directory. But I think the right way would be to use
>>>>>>>>> the FreeBSD library support of the USB and Ethernet devices. I just
>>>>>>>>> don't know how to do that :)
>>>>>>>> I do agree. I talked about U-Boot for MMC support though it includes
>>>>>>>> USB support too.
>>>>>>> If this were in the new BSD USB/TCP/IP code, it should be
>>>>>>> straightforward to
>>>>>>> support both USB and TCP/IP.
>>>>>>>> regards
>>>>>>>>> Alan
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Wed, Mar 19, 2014 at 4:33 PM, Pierre Ficheux <
>>>>>>>>> pierre.ficheux at openwide.fr > wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> USB should be interesting too on RPi because of Ethernet support ;)
>>>>>>>>>
>>>>>>>>> Regarding SD card you should take a look at U-Boot for RPi which
>>>>>>>>> includes MMC support in drivers/mmc. U-Boot includes USB support for
>>>>>>>>> RPi too in drivers/usb.
>>>>>>>>>
>>>>>>>>> https://github.com/gonzoua/u-boot-pi
>>>>>>>>>
>>>>>>>>> regards
>>>>>>>>>
>>>>>>>>> ----- Mail original -----
>>>>>>>>>> De: "Andre Marques" < andre.lousa.marques at gmail.com >
>>>>>>>>>> À: "Alan Cudmore" < alan.cudmore at gmail.com >
>>>>>>>>>> Cc: rtems-users at rtems.org
>>>>>>>>>> Envoyé: Mercredi 19 Mars 2014 20:59:56
>>>>>>>>>> Objet: Re: potential GSOC project: Improve the Raspberry Pi BSP
>>>>>>>>>>
>>>>>>>>>> Hello Alan,
>>>>>>>>>>
>>>>>>>>>> I have decided to go with the framebuffer instead of the USB
>>>>>>>>>> support.
>>>>>>>>>> Will update the proposal with this.
>>>>>>>>>>
>>>>>>>>>> Before GSOC I am considering to look at the SD card access through
>>>>>>>>>> the onboard card reader. What do you think?
>>>>>>>>>>
>>>>>>>>>> --André Marques.
>>>>>>>>>>
>>>>>>>>>> On 03/19/14 00:56, Alan Cudmore wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi André ,
>>>>>>>>>> I agree about the USB stack. I am not even sure about how to
>>>>>>>>>> integrate a driver that depends on the FreeBSD USB stack.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> The GPIO driver from Pierre is the one I was referring to. I don't
>>>>>>>>>> think anyone ever made a decision on how to integrate the GPIO
>>>>>>>>>> driver. If we have macros in the BSP header files then the GPIO can
>>>>>>>>>> be programmed with the simple macros or the driver that Pierre
>>>>>>>>>> wrote. If the project decides to use the GPIO device model for
>>>>>>>>>> other
>>>>>>>>>> BSPs, then the generic driver code can be moved to a shared
>>>>>>>>>> directory at a later date.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks for the update,
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Alan
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Tue, Mar 18, 2014 at 11:04 AM, Andre Marques <
>>>>>>>>>> andre.lousa.marques at gmail.com > wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> about the USB driver port from FreeBSD I am finding it difficult to
>>>>>>>>>> gauge how much work it would involve, so I will follow your
>>>>>>>>>> suggestion and look at something else.
>>>>>>>>>>
>>>>>>>>>> As for GPIO I belive the work that has been done is this:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> https://github.com/pficheux/raspberry_pi/tree/master/RTEMS/gpio_driver
>>>>>>>>>>
>>>>>>>>>> Am I right?
>>>>>>>>>>
>>>>>>>>>> I also found a discussion on the best way of implementing the
>>>>>>>>>> driver
>>>>>>>>>>
>>>>>>>>>> http://www.rtems.org/pipermail/rtems-users/2013-October/012059.html
>>>>>>>>>>
>>>>>>>>>> but i am not sure if that came to a decision.
>>>>>>>>>>
>>>>>>>>>> Meanwhile I will update the proposal with some basic info on the
>>>>>>>>>> drivers.
>>>>>>>>>>
>>>>>>>>>> --André Marques.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 03/14/14 13:16, Andre Marques wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> On 03/14/14 02:33, Alan Cudmore wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Andre,
>>>>>>>>>> I think your project proposal looks good, but I wonder if including
>>>>>>>>>> USB support is too much. There are low level "bare metal" USB
>>>>>>>>>> examples out there for the Raspberry Pi, and that may serve as a
>>>>>>>>>> starting point, but I think a real USB implementation will use the
>>>>>>>>>> BSD library that has been ported to RTEMS. It may be possible,
>>>>>>>>>> since
>>>>>>>>>> there is a FreeBSD port to the Raspberry Pi. Maybe others can help
>>>>>>>>>> here.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I will take a look into this.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> If you think that GPIO, SPI, and I2C are not enough, then you could
>>>>>>>>>> always look at the framebuffer or SD card access.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Yes, right now I am trying to clarify everything the best I can so
>>>>>>>>>> I
>>>>>>>>>> don't end up with a lot more (or less) work than I can handle.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Finally, it may be necessary to have an Raspberry Pi and a few
>>>>>>>>>> peripherals. For example, I have an inexpensive I2C compass module
>>>>>>>>>> that I use with linux, and I have a breadboard wired up with LEDs
>>>>>>>>>> to
>>>>>>>>>> test GPIO.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Right now I have access to a Raspberry Pi at the university, not
>>>>>>>>>> sure
>>>>>>>>>> about the peripherals though. Anyway, if this projects really goes
>>>>>>>>>> forward I will get myself a raspberry and peripherals (I have
>>>>>>>>>> already some other components, like a breadboard, leds, wire, etc).
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Alan
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Mar 13, 2014 at 8:32 PM, Alan Cudmore <
>>>>>>>>>> alan.cudmore at gmail.com > wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I'm glad there is interest in this project. Andre, I will read your
>>>>>>>>>> proposal and provide feedback.
>>>>>>>>>> Joel, I was on the melange site and the system recognizes my
>>>>>>>>>> account.
>>>>>>>>>> Do I need to do anything to be a mentor for RTEMS?
>>>>>>>>>> Alan
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Mar 13, 2014 at 7:31 PM, Andre Marques <
>>>>>>>>>> andre.lousa.marques at gmail.com > wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> It is now on melange too.
>>>>>>>>>>
>>>>>>>>>> --André Marques.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 03/13/14 23:21, Hesham Moustafa wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi Andre,
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I quote from RTEMS SoC page :
>>>>>>>>>>
>>>>>>>>>> "GSOC STUDENTS! PLEASE FILL IN THE APPLICATION AT
>>>>>>>>>> http://www.google-melange.com ! YOU CAN EDIT UNTIL THE DEADLINE!
>>>>>>>>>> BUT
>>>>>>>>>> YOU WILL NOT GET A SLOT IF YOU DO NOT APPLY THROUGH Google!!!"
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>> Hesham
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Fri, Mar 14, 2014 at 1:16 AM, Andre Marques <
>>>>>>>>>> andre.lousa.marques at gmail.com > wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> I just posted the first proposal draft for "Raspberry Pi BSP
>>>>>>>>>> Peripherals " in the RTEMS Wiki
>>>>>>>>>>
>>>>>>>>>> http://wiki.rtems.org/wiki/index.php/RTEMSSummerOfCode
>>>>>>>>>>
>>>>>>>>>> Any feedback is more than welcome. Should I post it already in
>>>>>>>>>> melange too?
>>>>>>>>>>
>>>>>>>>>> --André Marques.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 03/13/14 15:26, Joel Sherrill wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 3/13/2014 9:46 AM, Andre Marques wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hello,
>>>>>>>>>>
>>>>>>>>>> I would be very interested in working in this project because I'm
>>>>>>>>>> currently trying to work with Raspberry Pi and RTEMS for my
>>>>>>>>>> undergraduate thesis, so this could be a great followup to that for
>>>>>>>>>> the summer.
>>>>>>>>>>
>>>>>>>>>> I will need to do some reseach on it before making a proposal (the
>>>>>>>>>> time is also gettting shorter), but will post a proposal draft very
>>>>>>>>>> soon.
>>>>>>>>>>
>>>>>>>>>> This would be a great area to work. As Alan says, the list is
>>>>>>>>>> likely
>>>>>>>>>> too much for
>>>>>>>>>> one student, so it seems likely that the work could be divided for
>>>>>>>>>> two students
>>>>>>>>>> working on different parts.
>>>>>>>>>>
>>>>>>>>>> For the Pi Master list, I would like to add the Geert board. That
>>>>>>>>>> looks like something
>>>>>>>>>> of interest to RTEMS folks.
>>>>>>>>>>
>>>>>>>>>> --joel
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --André Marques.
>>>>>>>>>>
>>>>>>>>>> On 03/13/14 11:23, Alan Cudmore wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ( I posted this to the rtems-devel list by mistake, my apologies
>>>>>>>>>> for
>>>>>>>>>> the duplicate message )
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> f there are still potential GSOC students out there looking for a
>>>>>>>>>> project, I would like to offer a potential project to work on:
>>>>>>>>>> Improving the Raspberry Pi BSP. I would be happy to mentor a
>>>>>>>>>> student
>>>>>>>>>> for this project. Below is my description for the task.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Alan
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> One of the RTEMS Open Projects is to contribute a BSP or Board
>>>>>>>>>> Support Package for readily available boards. The Raspberry Pi is
>>>>>>>>>> probably the most available board at $25 and $35 USD, and there
>>>>>>>>>> have
>>>>>>>>>> been over two million of these boards sold. The RTEMS head (4.11)
>>>>>>>>>> currently has a basic BSP for the Raspberry Pi, supporting the CPU,
>>>>>>>>>> a single UART, and timer. It is enough to run some basic RTEMS
>>>>>>>>>> programs, but expanding the BSP to support peripherals will make it
>>>>>>>>>> much more useful.
>>>>>>>>>> For this project, the GSOC student could improve the peripheral
>>>>>>>>>> support for the Raspberry Pi BSP.
>>>>>>>>>> The peripherals we need to support (in order of increasing
>>>>>>>>>> difficulty) include:
>>>>>>>>>> 1. GPIO (This has been done by one user, but is not integrated)
>>>>>>>>>> 2. I2C Bus
>>>>>>>>>> 3. SPI Bus
>>>>>>>>>> 4. Secure Digital card read and write support (using the SPI bus)
>>>>>>>>>> 5. Graphics / RTEMS Framebuffer Support (I have a graphics demo
>>>>>>>>>> working in an RTEMS task)
>>>>>>>>>> 6. USB Device support
>>>>>>>>>> 7. HDMI/Graphics console (Requires framebuffer support and USB or
>>>>>>>>>> GPIO connected keyboard device)
>>>>>>>>>> 8. Ethernet network support (Requires USB support)
>>>>>>>>>> The entire list is probably too much for a single student to
>>>>>>>>>> accomplish, so we can adjust the list of work according to what is
>>>>>>>>>> possible.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> It may also be a good idea to add support for both models of the
>>>>>>>>>> Raspberry Pi (256MB and 512MB) and be able to configure the memory
>>>>>>>>>> map in the BSP to match the boot time split between the CPU and GPU
>>>>>>>>>> memory.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Finally, in order to do some of this coding, it may be necessary to
>>>>>>>>>> come up with a more efficient way to load and debug code on the
>>>>>>>>>> Raspberry Pi. Options include using U-boot or connecting a JTAG
>>>>>>>>>> debug device to load code.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> 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
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> rtems-users mailing list
>>>>>>>>>> rtems-users at rtems.org
>>>>>>>>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> rtems-users mailing list
>>>>>>>>>> rtems-users at rtems.org
>>>>>>>>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> rtems-users mailing list
>>>>>>>>>> rtems-users at rtems.org
>>>>>>>>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Pierre FICHEUX -/- CTO OW/OWI, France -\- pierre.ficheux at openwide.fr
>>>>>>>>> http://ingenierie.openwide.fr
>>>>>>>>> http://www.linuxembedded.fr
>>>>>>>>> I would love to change the world, but they won't give me the source
>>>>>>>>> code
>>>>>>>>>
>>>>>>>>>
>>>>>>>> --
>>>>>>>> Pierre FICHEUX -/- CTO OW/OWI, France -\- pierre.ficheux at openwide.fr
>>>>>>>>
>>>>>>>> http://ingenierie.openwide.fr
>>>>>>>>                                            http://www.linuxembedded.fr
>>>>>>>> I would love to change the world, but they won't give me the source
>>>>>>>> code
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> 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
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> rtems-users mailing list
>>>>>>> rtems-users at rtems.org
>>>>>>> http://www.rtems.org/mailman/listinfo/rtems-users
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>> rtems-users at rtems.org
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>>>>>
>>>>>
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