GPL'd Embedded Development Tools?
An Anonymous Coward queries: "Is anyone aware of free tools available
for embedded digital signal processors? A number of companies (such
as, I think, Motorola) used to produce DSP-optimized versions of gcc
and the like for their embedded processors, but these days such code
seems to be lost. I am a student trying to do homebrew DSP
development for some RF apps, and the cost of all the development
tools is staggering (not to mention none of them seem to run under
Linux). The sole factor in deciding which DSP I use is the
availability of development tools -- any suggestions?"
Frost pist, first post
I'm the AC with the most...
GOOOOOOOO TEAMMMMMM!
I know that TI used to have free compilers available on the web for their older DSPs (c3x,c4x), but I'm not sure about the newer models (67xx,64xx). They also have a program in place where they will donate tools to schools that lack the funding to purchase them, if they can show they will be used for educational purposes. (This may have changed in the current economic climate, but I hope not.) I think it was called TI University Support, but I'm not positive. Look around their site and hopefully you'll find something useful. I experimented with the GNU compilers for the c3x series and didn't have much luck...but YMMV. Good luck! DSP programming can be very frustrating but also very rewarding. :)
Just out of curiosity, what's the RF project you are working on ? (Don't tell more than you can, of course.) The more details, the more suggestions and comments you will get.
Also, there is a bunch of Free and not-Free software available from the .org site.
Later, mr.
You probably would do better to ask the good folks at opencores.org. They mainly would know hardware design type tools, but I believe they also might know compilers.
After poking around in the links in the article about the AD2818 EZ-Kit Lite that ran yesterday, I found that there is a version of GCC for several of the Analog Devices DSPs, called G21. It seems pretty old, however (1995), so it probably won't support their latest whiz-bang DSPs.
;)
C4x GNU Tools appears to have the same thing for various TI DSP lines and appears to be better maintained.
I found these sites by searching google for "analog devices dsp gcc" and "ti dsp gcc."
Ian
If all you want is a $0.00 compiler, buy a frigging eval board from the manufacturer. they almost always include a crippleware compiler which would be more than adequate for what you are doing. e.g. TI eval boards include 30day limited CodeComposer. I don't see what the title of this article has to do with the subject matter? The guy is cheap, not a FSF zealot.