RTEMS on Mars?

Kenneth J. Peters Kenneth.J.Peters at jpl.nasa.gov
Thu Jul 6 15:24:40 UTC 2006

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.


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
>>>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".
>>>The presentation states that it arrived on Mars in
>>>March 2006.
>>>According to Wikipedia:
>>>"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. :)

More information about the users mailing list