Re: JTAG Pod?

[Bill Gatliff <bgat at billgatliff dot com>]

Grant et al:


I haven't used the Jeeni, but I have used the Wiggler and the BDI2000 on 
MIPS, ARM and PPC targets.  In all cases, the download performance of 
the BDI is, put simply, breathtaking.  :^)  Especially compared to the 
Wiggler.

The Wigglers and Ravens have their place, which I think is in the 
capital cost sensitive markets (i.e. hobby) where overall performance 
and stability are secondary concerns.  I work with large applications 
and kernels (500K and up), however, and the higher price of the BDI2000 
is more than made up for in the virtual elimination of "sitting around 
waiting" time during downloads that the cheaper devices all impose.  
Productivity is a big deal to me, in which case I think the BDI2000 wins 
without a doubt.

Oh, and the BDI2000 doesn't care what my host workstation is, as long as 
it's running plain vanilla gdb.  No modules, no proxy libraries, no 
futzing around at all.

Dan Kegel touched on this, I couldn't resist a "me too!" opportunity.  :^)

My suggestion: Buy a Wiggler, play with it for a few days.  If you then 
decide you don't like it, put it on the shelf and go get a BDI2000 
without hesitation (I think this is where you will end up).  The Wiggler 
is disposable at <$200, after all, the value of knowing whether it's the 
right or wrong tool for you is worth far more than that.



b.g.



Grant Edwards wrote:

> On Thu, Sep 25, 2003 at 10:33:12AM +0200, Toralf Lund wrote:
>
>  
>
> > Well, the project I'm working on is definitely more than a "hobby" king 
> > of thing. Still, the BDI2000 is quite expensive. I think the real 
> > question is: What does it have that the "Raven" doesn't, that would 
> > justify more than doubling the cost for this equipment?
> >    
>
> We tried the raven for a while, and downloading code to RAM was
> excruciatingly slow.  What took 10-15 seconds on our EPI Jeeni
> would take several minutes with a Raven.
>
>  

--
Bill Gatliff
Embedded GNU, Linux, and other board support packages.
bgat@billgatliff.com




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