Lpc2000

Thanks all for help on this. Switched to a 1 meter cable and got it to 
work on speed == 8 today.

Thnaks a lot!
/Ake

Tom Walsh wrote:

> David Hawkins wrote:
>
> >Hey Tom,
> >
> > 
> >
> >>This was the primary reason I purchased an Abatron BDI2000..
> >>   
> >>
> >
> >I'll get work to buy me an Abatron one of these days ... the
> >price of the basic unit from Ultimate Solutions (a US distributor)
> >is about $2800 (BDI2000 & bdiGBD PPC4x + P/s and cable kit).
> >Then to add bdiGDB for other PPC models, ARM, Coldfire etc is
> >$1000 per processor.
> >
> >I was wondering if this is the route you went to get support
> >for multiple processors, or whether the BDI2000 allows you
> >to write your own interface, eg. the tradeoff being your own
> >time versus $1000 to support a new processor.
> > 
> >
> This was a big expenditure for me and one that was carefully
> considered.   The primary reason  was not so much the cost as to the
> functionality.  I've used wigglers and they just can be a nasty little
> thing, sometimes you cannot figure out why they won't synchronize.  Then
> you fuss around and wiggle wires, change caps and then it starts working
> again.
>
> The project that I'm doing (consultant) is very large, there is a lot of
> code that needs to be written and the last thing I need is to wonder if
> the dongle is any good.  The other thing is that there isn't a single
> solution to a TCP/remote: use JELIE for the XScale, ARM9 uses
> JTAGGER(?), LPC2000 use this if you change this code...  Or, get this
> guys OC something or other and use that.  Too chaotic for my tastes.
>
> My board setup is two processors: LPC2106 and LPC2138, JTAG is daisy
> chained (TDO from one to the TDI of the other processor).  I can launch
> two instances of Insight and debug either processor.  Send a serial
> string from one processor and breakpoint reception of the string on the
> other processor.  I did not think that a dongle could debug a chain, it
> might, but the time I had to spend on other areas of the project didn't
> leave guesswork to the debug setup.
>
> >Is there anything particularly 'special' about using a BDI
> >versus a Wiggler, other than the fact that its convenient,
> >debugged, and supported hardware. eg. does Abitron pay ARM etc to
> >license an interface to say the trace module that somehow
> >makes the BDI interface better? I've used a TI JTAG-like
> >interface before and you could only purchase a unit from TI
> >or a licensee since the interface was proprietry.
> >
> > 
> >
> The other thing is that I don't deal with external software to program
> the Flash of the processors.  I simply telnet into the BDI2000, type
> "s1" or "s2" to select either processor, then type "er" to erase and
> "pr" to program.  The BDI2000 uses tftp to fetch the previously defined
> binary for the respective processor.
>
>
> >Most of the processors I play with as a hobby, so getting work
> >to pay the extra money for adding processors is not so easy :)
> >
> > 
> >
> BTDT, I've gotten tired of a two-line LCD or an LED to debug with.  heh.
>
> Regards,
>
> TomW
>
>
> -- 
> Tom Walsh - WN3L - Embedded Systems Consultant
> http://openhardware.net, http://cyberiansoftware.com
> "Windows? No thanks, I have work to do..."
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-- 
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Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
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