msp430 - was Re: GSOC Student Reminder

Gedare Bloom gedare at rtems.org
Thu May 9 14:26:08 UTC 2013 

And now newlib support appears. The target is feasible, at least.

On Mon, May 6, 2013 at 10:54 PM, Gedare Bloom <gedare at rtems.org> wrote:
>
> On Apr 27, 2013 4:14 PM, "Joel Sherrill" <joel.sherrill at oarcorp.com> wrote:
>>
>> On 4/26/2013 10:40 PM, Gedare Bloom wrote:
>>>
>>> Adding on:
>>> * is there gcc support for the cpu already?
>>
>> Yes .. but not in FSF gcc source. There is a separate sourceforge
>> project for it.
>>
>> Ditto for gdb.
>>
>> binutils builds.
> Looks like this just got posted on gcc-patches for bare metal targets.
>
>>> * is there license compatible code available for the hw especially
>>> helpful is boot and console code. This is not a blocker but can help get
>>> going easier.
>>
>> This is a small architecture and a port would probably want to
>> use the msp430 C library. I didn't look at the license.
>>
>> It appears to be divided into a "portable" and CPU model part.
>> Figuring out how to handle this in a general way would be required.
>>>
>>> * is there any free simulator that we can use to test your code on?
>>
>> I came across one in Java which appears GUI heavy and didn't look
>> to be updated in 5 years. I saw another but the links died.
>>>
>>> * are there quirks with the arch that might make a port hard?
>>
>> Small like the avr.  C library gets tailored to microcontroller model.
>>
>> Cynthia's work to use avr-libc, disable POSIX etc. and use Classic API
>> only would be beneficial
>>>
>>> Some of the issues to consider. No gcc or simulator may be blockers.
>>
>> My initial impression is that even though RedHat did the port, it is
>> in an unmerged and possibly out-dated state.
>>
>> If someone wants to dig through source and find out who did the
>> work, I can contact them about what happened. But at this point,
>> those independently maintaining it would have to have FSF assignments
>> and want to do the work to get it merged.
>>
>> --joel
>>>
>>> On Apr 26, 2013 11:27 PM, "Gedare Bloom" <gedare at rtems.org> wrote:
>>>>
>>>> Then this might be too much for a gsoc project, but you can certainly
>>>> propose it... definitely there is enough work, but the risk is whether you
>>>> can achieve the goals in time.
>>>>
>>>> On Apr 26, 2013 9:33 PM, "Joel Sherrill" <Joel.Sherrill at oarcorp.com>
>>>> wrote:
>>>>>
>>>>> MSP430 is not a currently supported architecture. So a whole port is
>>>>> required.
>>>>>
>>>>> Should also have a libre simulator bsp
>>>>>
>>>>> Gedare Bloom <gedare at rtems.org> wrote:
>>>>>
>>>>> Is the MCU supported in rtems or do you need to port it? Is it just a
>>>>> bsp or is the cpu also new for rtems?
>>>>>
>>>>> In general a new bsp is an ok project, and coupling it with something
>>>>> else like a GPS processing library might make a good project.
>>>>> -Gedare
>>>>>
>>>>> On Apr 26, 2013 4:06 PM, "Namrata Kamte" <namrata.kamte at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Thank you so much for the prompt response. I have gone through the
>>>>>> Start up guide for the participating students and I can see that writing the
>>>>>> proposal is quite a rigorous process in this case.
>>>>>>
>>>>>> Hence, I would like to pitch my project idea to you in a couple
>>>>>> sentences. It is a humble request to you to tell me if this idea is eligible
>>>>>> for a proposal or if it is completely off the topic:
>>>>>>
>>>>>> We, at the Satellite Technology Laboratory, are working on Chip-scale
>>>>>> satellites.
>>>>>> At this juncture, we have a TI CC430 Microcontroller that I need to
>>>>>> program so that it can actively communicate with the ground station i.e.
>>>>>> send encoded data and be decoded/filtered at the ground station. We have a
>>>>>> USRP at the Lab to be our ground station for testing purposes.
>>>>>> I need to write the code that will enable the CC430 to receive data
>>>>>> from the GPS chip, process it and send it down to the ground station.
>>>>>>
>>>>>> Please let me know if the idea is worth writing a proposal for.
>>>>>> Please feel free to be honest. Any kind of suggestion/criticism is
>>>>>> welcome.
>>>>>>
>>>>>> Thanks and regards,
>>>>>> Namrata Kamte
>>>>>> Research Assistant
>>>>>> Satellite Technology Laboratory
>>>>>> The University of Texas at Arlington.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Apr 26, 2013 at 2:05 PM, Gedare Bloom <gedare at rtems.org>
>>>>>> wrote:
>>>>>>>
>>>>>>> I will also chime in. There is one week left for the deadline for
>>>>>>> students to submit proposals, but your project has a MUCH higher
>>>>>>> chance to be accepted if you get the proposal up early for reviewing
>>>>>>> and resubmitting. You can update your proposal as many times as you
>>>>>>> like until the deadline.
>>>>>>> -Gedare
>>>>>>>
>>>>>>> On Wed, Apr 24, 2013 at 11:04 AM, Joel Sherrill
>>>>>>> <joel.sherrill at oarcorp.com> wrote:
>>>>>>> > Hi
>>>>>>> >
>>>>>>> > Gedare reminded a student today that no matter how much
>>>>>>> > you talk to us or share a fabulous proposal via Google Docs,
>>>>>>> > you have to be registered with Google to be considered.
>>>>>>> >
>>>>>>> > http://www.google-melange.com/gsoc/homepage/google/gsoc2013
>>>>>>> >
>>>>>>> > Sign up. Put a version of your proposal there with a link to
>>>>>>> > the Google Doc at the top.
>>>>>>> >
>>>>>>> > --
>>>>>>> > 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-devel mailing list
>>>>>>> > rtems-devel at rtems.org
>>>>>>> > http://www.rtems.org/mailman/listinfo/rtems-devel
>>>>>>> _______________________________________________
>>>>>>> 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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