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Lpc2000

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Message

Re: JTAG pod protocols and debugger support

2005-10-06 by atmelbr

--- In lpc2000@yahoogroups.com, "Rob Jansen" <rob@m...> wrote:
Rob,
  Look this project:
http://www.devlf.com/usbjtag.html

> Hi,
> 
> a lot of talks about the Wiggles, JetJTAG, other debuggers and download
> speed.
> But I've got a problem:
> 
> I am running both GDB and RealView debugger on a laptop without parallel
> port support. I was able to borrow this together with a Jeeni but have
> problems. EPI states (I've heard) that Jeeni does not work on the
lpc21xx
> and indeed, with gsb it fails. It does work with the RealView
debugger but
> may suddenly hang (something about resynch).
> 
> Does OCD Remote work with RealView debugger?
> Is a USB/Parallel converter supported (I could buy one)?
> 
> There is defenitely no budget for one of the (expensive) commercial JTAG
> pods and what I've got does not seem to work.
> 
> If OCD Remote does not wotk with USB/Parallel converter I do not see an
> affordable solution.
> I am almost thinking it is worth the effort to build my own
networked ARM7
> RDI JTAG debugger pod (using the RDI interface provided by GDB and
one of
> the JTAG ARM7 projects from sourceforge).
> 
> Has anyone got experience with RDI or using the JTAG/EmbeddedICE
combination?
> I have a 2138 board with ethernet controller and TCP/IP software. Using
> one of the sourceforge bitbang projects for ARM7 I could attach this
to my
> lpc21xx target board.
> 
> I'm just not a JTAG/EmbeddedICE expert so I have just a rough view
of what
> I am up to. But I do know my way around the ARM (over 6 years of
> experience with ARM7/9/10/11 embedded programming) and ARM assembly is
> almost like a second language to me (although I keep struggling with the
> syntax of the Gnu assembler).
> 
> If this works I could try to get a company to build the hardware for
this
> (price around 100 Euro). Software is all free.
> Would be a great and fairly cheap debugging solution for use at
school or
> home.
> 
> Anyone interested in joining? or is this a stupid thing to try?
> 
> Rob

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