RTEMS on Mars?
Jiri Gaisler
jiri at gaisler.com
Thu Jul 6 16:08:22 UTC 2006
The Atmel AT697 chip is a LEON2FT designed by ESA and Gaisler Research.
Note that you will need to use the leon2 bsp in RTEMS since it is not
register compatible with the old ERC32.
Jiri.
Kenneth J. Peters wrote:
> We are using the ERC32/TSC695 chip at 24MHz. In the near future we may
> start using a new Atmel 100MHz version of the chip; I am not sure if
> that chip is still ERC32-based or if it is a Leon version.
>
> Ken
>
> At 10:44 AM +0200 7/6/06, Jiri Gaisler wrote:
>
>> Can you say something about the CPU in the Electra radio?
>> My understading is that you use a device, or
>> did you use the earlier TSC691/2/3 chip set?
>>
>> Jiri Gaisler.
>>
>> Kenneth J. Peters wrote:
>>
>>> Yes, RTEMS is orbiting Mars now in the Electra radio. In a couple
>>> years in an upcoming project, it will be roving on the Mars surface.
>>> I lead the Electra software development team for these.
>>>
>>> Please don't use this in any official advertising unless you get
>>> permission from JPL, but you can tell your kids :-)
>>>
>>> Ken Peters
>>>
>>>> Hi,
>>>>
>>>> Can some shed light on the possibility that RTEMS is
>>>> on Mars? As best I can tell from this presentation,
>>>> there is a possibility that RTEMS is/was used for the
>>>> Electra software radio which is the core of the
>>>> "Mars network infrastructure".
>>>>
>>>> http://www.pmw.org/afsbpw06/talks/keynote_djbyrne.pdf
>>>>
>>>> The presentation states that it arrived on Mars in
>>>> March 2006.
>>>>
>>>> According to Wikipedia:
>>>>
>>>> http://en.wikipedia.org/wiki/Mars_Reconnaissance_Orbiter
>>>>
>>>> "The Electra is a UHF
>>>> <http://en.wikipedia.org/wiki/Ultra_high_frequency> antenna designed
>>>> to communicate with other spacecraft as they approach, land, and
>>>> operate on Mars. Electra will also provide Doppler information for
>>>> landed vehicles that will enable scientists to accurately determine
>>>> the their location. Additionally, the system will be a radio contact
>>>> for surface vehicles and route data to NASA if the vehicle's own
>>>> antenna does not have sufficient power to contact controllers."
>>>>
>>>> Please... this certainly sounds like the kind of RTEMS
>>>> application, I like to show my kids. Plus this would be
>>>> the RTEMS application that is farthest from home. :)
>>>>
>>>> --joel
>>>
>>>
>>>
>>> .
>
>
> .
>
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